/* roulang page: index */
:root {
            --primary: #FF5E1A;
            --primary-dark: #e04d10;
            --primary-light: #FF7F3F;
            --primary-glow: rgba(255, 94, 26, 0.35);
            --secondary: #0F172A;
            --secondary-light: #1a2332;
            --accent: #10B981;
            --accent-dark: #0d9668;
            --bg: #F8FAFC;
            --surface: #FFFFFF;
            --text: #1E293B;
            --text-soft: #64748B;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --inner-gap: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-zh);
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.01em;
        }
        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.015em;
        }
        h3 {
            font-size: 1.5rem;
            letter-spacing: -0.01em;
        }
        h4 {
            font-size: 1.25rem;
        }
        p {
            margin-bottom: 0.75rem;
            color: var(--text-soft);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .en-num {
            font-family: var(--font-en);
            font-weight: 600;
            letter-spacing: -0.01em;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            font-weight: 700;
        }
        .sidebar-brand .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .sidebar-nav-list {
            list-style: none;
            padding: 12px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .sidebar-nav-list li a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .sidebar-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .sidebar-nav-list li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.35);
        }
        .sidebar-nav-list li a .nav-badge {
            margin-left: auto;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .sidebar-footer-info {
            padding: 14px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            flex-shrink: 0;
            text-align: center;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== MOBILE TOP NAV ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #fff;
            z-index: 1040;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border-bottom: 1px solid var(--border);
        }
        .mobile-topbar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
        }
        .mobile-topbar .mobile-brand .brand-icon-sm {
            width: 30px;
            height: 30px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
        }
        .mobile-topbar .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px;
            line-height: 1;
            transition: color var(--transition-fast);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
        }
        .mobile-topbar .hamburger-btn:hover {
            color: var(--primary);
            background: rgba(255, 94, 26, 0.06);
        }

        /* Mobile overlay */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1045;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .sidebar-overlay.active {
            opacity: 1;
        }

        /* ========== SECTIONS ========== */
        section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            margin-bottom: 8px;
            background: rgba(255, 94, 26, 0.08);
            padding: 4px 12px;
            border-radius: 20px;
        }
        .section-header h2 {
            margin-bottom: 8px;
        }
        .section-header .section-desc {
            font-size: 1.05rem;
            color: var(--text-soft);
            max-width: 640px;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            background: linear-gradient(160deg, #0a0f1a 0%, #0F172A 35%, #151d2e 60%, #0a0f1a 100%);
            position: relative;
            overflow: hidden;
            min-height: 560px;
            display: flex;
            align-items: center;
            padding: 48px 0;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.22;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 94, 26, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 50%);
            z-index: 1;
        }
        .hero-section .section-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text-area {
            color: #fff;
        }
        .hero-text-area .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 94, 26, 0.2);
            border: 1px solid rgba(255, 94, 26, 0.35);
            color: #FF9F6B;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .hero-text-area .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            background: #10B981;
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(16, 185, 129, 0);
            }
        }
        .hero-text-area h1 {
            color: #fff;
            font-size: 2.8rem;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .hero-text-area h1 span {
            color: var(--primary);
            position: relative;
        }
        .hero-text-area .hero-desc {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 480px;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, #FF5E1A, #FF7F3F);
            color: #fff;
            border: none;
            padding: 13px 26px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: 0 6px 20px rgba(255, 94, 26, 0.35);
        }
        .btn-primary-hero:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 94, 26, 0.45);
            color: #fff;
            background: linear-gradient(135deg, #e04d10, #FF5E1A);
        }
        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            padding: 12px 24px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-outline-hero:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .hero-visual-area {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .hero-countdown-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            text-align: center;
            width: 100%;
            max-width: 380px;
        }
        .hero-countdown-card .countdown-title {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }
        .hero-countdown-card .countdown-digits {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-countdown-card .countdown-unit {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 10px 14px;
            min-width: 56px;
            text-align: center;
        }
        .hero-countdown-card .countdown-unit .digit {
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1;
        }
        .hero-countdown-card .countdown-unit .unit-label {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }
        .hero-preview-img {
            width: 100%;
            max-width: 380px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-preview-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* ========== STATS DASHBOARD ========== */
        .stats-section {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 22px 20px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: transparent;
        }
        .stat-card .stat-icon {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .stat-card .stat-value {
            font-family: var(--font-en);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-card .stat-value .stat-unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-soft);
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-soft);
            font-weight: 500;
        }
        .stat-card .stat-change {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            margin-top: 6px;
            background: rgba(16, 185, 129, 0.1);
            padding: 2px 8px;
            border-radius: 10px;
        }
        .stat-card.accent-card {
            background: linear-gradient(135deg, #FFF7F2, #FFF0E8);
            border-color: rgba(255, 94, 26, 0.2);
        }

        /* ========== FEATURED HIGHLIGHTS ========== */
        .highlights-section {
            background: var(--bg);
        }
        .highlights-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 24px;
        }
        .highlight-main-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 24px;
            align-items: center;
            transition: box-shadow var(--transition-fast);
        }
        .highlight-main-card:hover {
            box-shadow: var(--shadow-md);
        }
        .highlight-main-card .highlight-img {
            width: 180px;
            height: 140px;
            border-radius: var(--radius);
            overflow: hidden;
            flex-shrink: 0;
            background: #f0f4f8;
        }
        .highlight-main-card .highlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .highlight-main-card .highlight-info h3 {
            margin-bottom: 8px;
            font-size: 1.35rem;
        }
        .highlight-main-card .highlight-info p {
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .highlight-side-cards {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .highlight-side-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .highlight-side-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
            border-color: rgba(255, 94, 26, 0.25);
        }
        .highlight-side-card .hs-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .hs-icon.orange {
            background: rgba(255, 94, 26, 0.1);
            color: var(--primary);
        }
        .hs-icon.green {
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent);
        }
        .hs-icon.blue {
            background: rgba(59, 130, 246, 0.1);
            color: #3b82f6;
        }
        .highlight-side-card .hs-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .highlight-side-card .hs-info span {
            font-size: 0.8rem;
            color: var(--text-soft);
        }

        /* ========== SERVICE MATRIX ========== */
        .services-section {
            background: var(--surface);
        }
        .services-matrix {
            display: grid;
            grid-template-columns: 1.8fr 1fr;
            gap: 20px;
        }
        .service-card-large {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            grid-row: span 2;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .service-card-large:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .service-card-large .service-icon-big {
            width: 56px;
            height: 56px;
            background: linear-gradient(135deg, #FF5E1A, #FF7F3F);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.5rem;
            margin-bottom: 16px;
        }
        .service-card-large h3 {
            font-size: 1.3rem;
            margin-bottom: 8px;
        }
        .service-card-large p {
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .service-card-large .service-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .service-card-large .service-features li {
            font-size: 0.9rem;
            color: var(--text-soft);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .service-card-large .service-features li i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .service-card-compact {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 20px 22px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: all var(--transition-fast);
        }
        .service-card-compact:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .service-card-compact .sc-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1rem;
        }
        .sc-icon.orange {
            background: rgba(255, 94, 26, 0.1);
            color: var(--primary);
        }
        .sc-icon.green {
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent);
        }
        .service-card-compact .sc-info h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .service-card-compact .sc-info p {
            font-size: 0.82rem;
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== DATA COMPARISON ========== */
        .comparison-section {
            background: var(--bg);
        }
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .comparison-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 2px solid var(--border-light);
            transition: all var(--transition-fast);
            position: relative;
        }
        .comparison-card.before-card {
            border-color: #fecaca;
            background: #fffbfb;
        }
        .comparison-card.after-card {
            border-color: #a7f3d0;
            background: #fafff8;
            box-shadow: var(--shadow);
        }
        .comparison-card .comp-label {
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            display: inline-block;
            padding: 4px 12px;
            border-radius: 20px;
        }
        .before-card .comp-label {
            background: #fee2e2;
            color: #dc2626;
        }
        .after-card .comp-label {
            background: #d1fae5;
            color: #059669;
        }
        .comparison-card h3 {
            font-size: 1.2rem;
            margin-bottom: 14px;
        }
        .comparison-card .comp-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .comparison-card .comp-list li {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-soft);
            line-height: 1.5;
        }
        .before-card .comp-list li i {
            color: #ef4444;
        }
        .after-card .comp-list li i {
            color: #10B981;
        }
        .comp-highlight-bar {
            margin-top: 16px;
            background: rgba(16, 185, 129, 0.08);
            border-radius: var(--radius);
            padding: 14px 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: #059669;
            font-size: 0.9rem;
        }
        .comp-highlight-bar .big-num {
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-section {
            background: var(--secondary);
            color: #fff;
            padding: 60px 0;
        }
        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }
        .brand-intro-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 2px solid rgba(255, 255, 255, 0.1);
        }
        .brand-intro-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .brand-intro-text h2 {
            color: #fff;
            margin-bottom: 16px;
            font-size: 1.8rem;
        }
        .brand-intro-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .brand-intro-text .brand-highlight {
            color: var(--primary);
            font-weight: 600;
        }
        .brand-intro-stats-row {
            display: flex;
            gap: 28px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .brand-intro-stat {
            text-align: center;
        }
        .brand-intro-stat .bis-num {
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
        }
        .brand-intro-stat .bis-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ========== NEWS SECTION ========== */
        .news-section {
            background: var(--surface);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            align-items: flex-start;
        }
        .news-item:hover {
            background: rgba(255, 94, 26, 0.02);
            padding-left: 8px;
            border-radius: 4px;
        }
        .news-item .news-date {
            flex-shrink: 0;
            width: 60px;
            text-align: center;
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 8px 6px;
            font-family: var(--font-en);
            font-weight: 700;
            font-size: 0.85rem;
            color: var(--primary);
            line-height: 1.3;
            border: 1px solid var(--border-light);
        }
        .news-item .news-date .nd-day {
            font-size: 1.4rem;
            display: block;
            line-height: 1;
        }
        .news-item .news-content h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            font-weight: 600;
        }
        .news-item .news-content p {
            font-size: 0.85rem;
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .news-item .news-content .read-more {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .news-item .news-content .read-more:hover {
            gap: 8px;
            color: var(--primary-dark);
        }
        .news-side-panel {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            height: fit-content;
            position: sticky;
            top: 20px;
        }
        .news-side-panel h4 {
            font-size: 1.05rem;
            margin-bottom: 14px;
        }
        .news-side-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-side-list li {
            font-size: 0.85rem;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-soft);
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-side-list li:hover {
            color: var(--primary);
        }
        .news-side-list li .hot-badge {
            font-size: 0.7rem;
            background: #fef3c7;
            color: #d97706;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: 600;
            flex-shrink: 0;
        }

        /* ========== CHANGELOG ========== */
        .changelog-section {
            background: var(--bg);
        }
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .changelog-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 20px 24px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: box-shadow var(--transition-fast);
        }
        .changelog-item:hover {
            box-shadow: var(--shadow-md);
        }
        .changelog-item .cl-version {
            flex-shrink: 0;
            background: var(--secondary);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-family: var(--font-en);
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .changelog-item .cl-info h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .changelog-item .cl-info p {
            font-size: 0.85rem;
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ========== SOCIAL PROOF ========== */
        .social-proof-section {
            background: var(--surface);
        }
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .proof-card {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 24px 16px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }
        .proof-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .proof-card .proof-icon {
            font-size: 2rem;
            margin-bottom: 10px;
        }
        .proof-card .proof-num {
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.1;
        }
        .proof-card .proof-label {
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-top: 4px;
        }
        .proof-card .proof-stars {
            color: #f59e0b;
            font-size: 1rem;
            margin-top: 6px;
        }

        /* ========== RANKING LIST ========== */
        .ranking-section {
            background: var(--bg);
        }
        .ranking-table-wrap {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .ranking-row {
            display: flex;
            align-items: center;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border-light);
            transition: background var(--transition-fast);
            gap: 14px;
        }
        .ranking-row:last-child {
            border-bottom: none;
        }
        .ranking-row:hover {
            background: rgba(255, 94, 26, 0.03);
        }
        .ranking-row .rank-num {
            font-family: var(--font-en);
            font-weight: 700;
            font-size: 1.1rem;
            width: 36px;
            text-align: center;
            flex-shrink: 0;
            color: var(--text-soft);
        }
        .ranking-row .rank-num.top3 {
            color: var(--primary);
            font-size: 1.3rem;
        }
        .ranking-row .rank-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-row .rank-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-row .rank-info span {
            font-size: 0.78rem;
            color: var(--text-soft);
        }
        .ranking-row .rank-trend {
            font-family: var(--font-en);
            font-weight: 600;
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .rank-trend.up {
            color: var(--accent);
        }
        .rank-trend.down {
            color: #ef4444;
        }
        .rank-trend.stable {
            color: var(--text-soft);
        }

        /* ========== REWARDS PREVIEW ========== */
        .rewards-section {
            background: var(--surface);
        }
        .rewards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .reward-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            border: 2px solid transparent;
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }
        .reward-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .reward-card .reward-icon-wrap {
            width: 60px;
            height: 60px;
            margin: 0 auto 14px;
            background: linear-gradient(135deg, #FFF7F2, #FFE8D8);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary);
        }
        .reward-card h4 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .reward-card p {
            font-size: 0.82rem;
            margin-bottom: 0;
        }
        .reward-card .reward-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: #fef3c7;
            color: #b45309;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.03em;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg);
        }
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
            gap: 12px;
        }
        .faq-item .faq-question:hover {
            background: rgba(255, 94, 26, 0.03);
        }
        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            font-size: 0.8rem;
            color: var(--text-soft);
        }
        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition);
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            padding: 0 22px 18px;
            max-height: 300px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #0a0f1a 0%, #0F172A 50%, #151d2e 100%);
            position: relative;
            overflow: hidden;
            padding: 60px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(255, 94, 26, 0.15) 0%, transparent 60%);
            z-index: 1;
        }
        .cta-section .section-container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 600px;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            font-size: 1rem;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: var(--radius);
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 4px rgba(255, 94, 26, 0.15);
        }
        .cta-form .btn-submit {
            padding: 13px 28px;
            border-radius: var(--radius);
            border: none;
            background: linear-gradient(135deg, #FF5E1A, #FF7F3F);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            box-shadow: 0 6px 20px rgba(255, 94, 26, 0.35);
        }
        .cta-form .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 94, 26, 0.5);
            background: linear-gradient(135deg, #e04d10, #FF5E1A);
        }
        .cta-trust-row {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-top: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
        }
        .cta-trust-row span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .cta-trust-row i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.65);
            padding: 40px 0 24px;
            flex-shrink: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 28px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 600;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }
        .footer-bottom .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .footer-bottom .footer-links-row a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.78rem;
        }
        .footer-bottom .footer-links-row a:hover {
            color: var(--primary);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rewards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-matrix {
                grid-template-columns: 1fr;
            }
            .service-card-large {
                grid-row: auto;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-section .section-container {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .hero-text-area .hero-desc {
                max-width: 100%;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-visual-area {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 991px) {
            .sidebar-nav {
                transform: translateX(-100%);
                width: 260px;
            }
            .sidebar-nav.mobile-open {
                transform: translateX(0);
            }
            .sidebar-overlay {
                display: block;
                pointer-events: none;
            }
            .sidebar-overlay.active {
                pointer-events: auto;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-topbar {
                display: flex;
            }
            .main-content {
                padding-top: var(--header-height);
            }
            section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-container {
                padding: 0 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .hero-section {
                min-height: auto;
                padding: 32px 0;
            }
            .hero-text-area h1 {
                font-size: 1.7rem;
            }
            .hero-countdown-card .countdown-unit .digit {
                font-size: 1.4rem;
            }
            .hero-countdown-card .countdown-unit {
                min-width: 44px;
                padding: 8px 10px;
            }
            .rewards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
            }
        }
        @media (max-width: 767px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .rewards-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .highlights-grid {
                grid-template-columns: 1fr;
            }
            .highlight-main-card {
                flex-direction: column;
                text-align: center;
            }
            .highlight-main-card .highlight-img {
                width: 100%;
                height: 160px;
            }
            .services-matrix {
                grid-template-columns: 1fr;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .brand-intro-grid {
                grid-template-columns: 1fr;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .ranking-row {
                padding: 10px 14px;
                gap: 8px;
            }
            .ranking-row .rank-num {
                width: 28px;
                font-size: 0.9rem;
            }
            .ranking-row .rank-info h4 {
                font-size: 0.85rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
            .hero-section .section-container {
                gap: 20px;
            }
            .hero-countdown-card {
                padding: 16px;
            }
            .hero-countdown-card .countdown-digits {
                gap: 6px;
            }
            .hero-countdown-card .countdown-unit {
                min-width: 40px;
                padding: 6px 8px;
            }
            .hero-countdown-card .countdown-unit .digit {
                font-size: 1.2rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .faq-item .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-item .faq-answer {
                font-size: 0.82rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .proof-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .rewards-grid {
                grid-template-columns: 1fr;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .hero-cta-group .btn-primary-hero,
            .hero-cta-group .btn-outline-hero {
                width: 100%;
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .section-container {
                padding: 0 14px;
            }
            .hero-visual-area {
                flex-direction: column;
            }
            .hero-preview-img {
                max-width: 100%;
            }
            .hero-countdown-card {
                max-width: 100%;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-item .news-date {
                width: auto;
                display: inline-flex;
                gap: 4px;
                align-items: center;
                padding: 4px 10px;
            }
            .news-item .news-date .nd-day {
                font-size: 1rem;
                display: inline;
            }
            .ranking-row {
                flex-wrap: wrap;
                gap: 6px;
            }
            .brand-intro-stats-row {
                gap: 14px;
                justify-content: center;
            }
            .brand-intro-stat .bis-num {
                font-size: 1.4rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF5E1A;
            --primary-dark: #e04d10;
            --primary-light: #FF7F3F;
            --primary-glow: rgba(255, 94, 26, 0.35);
            --secondary: #0F172A;
            --secondary-light: #1a2332;
            --accent: #10B981;
            --accent-dark: #0d9668;
            --bg: #F8FAFC;
            --surface: #FFFFFF;
            --text: #1E293B;
            --text-soft: #64748B;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --inner-gap: 24px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-left: var(--sidebar-width);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }

        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            font-weight: 700;
        }

        .sidebar-brand .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .sidebar-nav-list {
            list-style: none;
            padding: 12px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin: 0;
        }

        .sidebar-nav-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .sidebar-nav-list li a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .sidebar-nav-list li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.35);
        }

        .sidebar-footer-info {
            padding: 14px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.78rem;
            text-align: center;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        /* ========== MOBILE NAV TOGGLE ========== */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 1060;
            width: 42px;
            height: 42px;
            background: var(--secondary);
            border: none;
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.3rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            transition: background var(--transition-fast);
        }

        .mobile-nav-toggle:hover {
            background: var(--secondary-light);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1045;
            transition: opacity var(--transition);
        }

        .sidebar-overlay.active {
            display: block;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 28px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        .section-gap-sm {
            padding: 40px 0;
        }

        /* ========== HERO ========== */
        .hero-section {
            background: linear-gradient(160deg, #0F172A 0%, #1a2332 40%, #0d1b2a 100%);
            color: #fff;
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(255, 94, 26, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: 10%;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1 1 420px;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 94, 26, 0.2);
            color: var(--primary-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 94, 26, 0.3);
        }

        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            color: #fff;
        }

        .hero-text h1 span {
            color: var(--primary);
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 540px;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.3);
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 94, 26, 0.4);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            padding: 11px 22px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .btn-outline-custom:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .hero-visual {
            flex: 0 0 340px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 260px;
        }

        .hero-visual img {
            border-radius: var(--radius);
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .hero-trust-strip {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            align-items: center;
        }

        .hero-trust-strip span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .hero-trust-strip i {
            color: var(--accent);
            font-size: 0.75rem;
        }

        /* ========== FILTER BAR ========== */
        .filter-bar-wrapper {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }

        .filter-bar {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            white-space: nowrap;
            margin-right: 4px;
        }

        .filter-chip {
            padding: 7px 16px;
            border-radius: 20px;
            border: 1.5px solid var(--border);
            background: var(--surface);
            color: var(--text-soft);
            font-size: 0.88rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            font-weight: 500;
            user-select: none;
        }

        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 94, 26, 0.04);
        }

        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(255, 94, 26, 0.25);
        }

        .filter-search {
            margin-left: auto;
            position: relative;
            flex: 0 0 220px;
            max-width: 220px;
        }

        .filter-search input {
            width: 100%;
            padding: 8px 14px 8px 36px;
            border-radius: 20px;
            border: 1.5px solid var(--border);
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            background: var(--bg);
            color: var(--text);
        }

        .filter-search input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 94, 26, 0.08);
            background: var(--surface);
        }

        .filter-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.85rem;
            pointer-events: none;
        }

        /* ========== DATA CARDS GRID ========== */
        .data-cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 20px;
        }

        .data-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }

        .data-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .data-card-sport {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(255, 94, 26, 0.08);
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.02em;
        }

        .data-card-status {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            letter-spacing: 0.02em;
        }

        .status-live {
            background: rgba(239, 68, 68, 0.1);
            color: #ef4444;
            animation: pulse-dot 2s infinite;
        }

        .status-upcoming {
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent-dark);
        }

        .status-finished {
            background: rgba(100, 116, 139, 0.1);
            color: var(--text-soft);
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.5;
            }
        }

        .data-card-match {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
        }

        .data-card-team {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text);
            text-align: center;
            flex: 1;
            line-height: 1.3;
        }

        .data-card-score {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.04em;
            font-family: var(--font-en);
            min-width: 56px;
            text-align: center;
        }

        .data-card-vs {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .data-card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-soft);
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }

        .data-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .data-card-meta i {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        /* ========== STATS SHOWCASE ========== */
        .stats-showcase {
            background: var(--secondary);
            color: #fff;
            padding: 48px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .stat-item {
            padding: 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 94, 26, 0.3);
        }

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-en);
            letter-spacing: 0.03em;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ========== FEATURES SECTION ========== */
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .feature-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            gap: 18px;
            align-items: flex-start;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }

        .feature-icon-box {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: rgba(255, 94, 26, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.4rem;
            color: var(--primary);
        }

        .feature-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .feature-info p {
            font-size: 0.9rem;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== SCENARIO SECTION ========== */
        .scenario-bg {
            background: var(--bg);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--accent);
        }

        .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--accent);
        }

        .scenario-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text);
        }

        .scenario-card p {
            font-size: 0.88rem;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .process-step {
            flex: 1 1 200px;
            min-width: 180px;
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px;
            border: 1px solid var(--border);
            position: relative;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .process-step::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 auto 12px;
            font-family: var(--font-en);
        }

        .process-step h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--text);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--text-muted);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #FF5E1A 0%, #e04d10 100%);
            color: #fff;
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 13px 28px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
            letter-spacing: 0.02em;
            text-decoration: none;
        }

        .btn-cta-white:hover {
            background: #fff;
            color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.22);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-bottom: 32px;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }

        .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            flex-direction: column;
            gap: 4px;
            align-items: center;
        }

        .footer-links-row {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-top: 4px;
        }

        .footer-links-row a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .footer-links-row a:hover {
            color: var(--primary-light);
        }

        .footer-links-row span {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== SECTION HEADINGS ========== */
        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .section-heading p {
            color: var(--text-soft);
            font-size: 1rem;
            margin: 0;
            line-height: 1.6;
        }

        .section-heading.center {
            text-align: center;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .data-cards-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .scenario-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 14px;
            }
            .stats-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 992px) {
            body {
                padding-left: 0;
            }
            .sidebar-nav {
                transform: translateX(-100%);
            }
            .sidebar-nav.open {
                transform: translateX(0);
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .hero-inner {
                flex-direction: column;
                gap: 24px;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                min-height: 200px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .filter-search {
                flex: 0 0 160px;
                max-width: 160px;
            }
            .data-cards-grid {
                grid-template-columns: 1fr 1fr;
            }
            .section-gap {
                padding: 40px 0;
            }
        }

        @media (max-width: 768px) {
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-text .hero-desc {
                font-size: 0.95rem;
            }
            .data-cards-grid {
                grid-template-columns: 1fr;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .filter-bar {
                gap: 6px;
            }
            .filter-chip {
                padding: 5px 12px;
                font-size: 0.8rem;
            }
            .filter-search {
                flex: 0 0 130px;
                max-width: 130px;
            }
            .process-steps {
                flex-direction: column;
            }
            .process-step {
                flex: 1 1 auto;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-heading h2 {
                font-size: 1.5rem;
            }
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .section-container {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.45rem;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary-custom,
            .hero-cta-group .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .filter-bar {
                gap: 4px;
            }
            .filter-chip {
                padding: 4px 10px;
                font-size: 0.75rem;
            }
            .filter-search {
                flex: 0 0 100%;
                max-width: 100%;
                margin-left: 0;
                margin-top: 8px;
            }
            .data-card-match {
                flex-wrap: wrap;
                justify-content: center;
            }
            .data-card-score {
                font-size: 1.3rem;
            }
            .hero-visual {
                min-height: 160px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #FF5E1A;
            --primary-dark: #e04d10;
            --primary-light: #FF7F3F;
            --primary-glow: rgba(255, 94, 26, 0.35);
            --secondary: #0F172A;
            --secondary-light: #1a2332;
            --accent: #10B981;
            --accent-dark: #0d9668;
            --bg: #F8FAFC;
            --surface: #FFFFFF;
            --text: #1E293B;
            --text-soft: #64748B;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --inner-gap: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-left: var(--sidebar-width);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: 0.01em;
        }
        h1 {
            font-size: 2.5rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.25rem;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            font-weight: 700;
        }
        .sidebar-brand .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .sidebar-nav-list {
            list-style: none;
            padding: 12px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .sidebar-nav-list li a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .sidebar-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .sidebar-nav-list li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.35);
        }
        .sidebar-footer-info {
            padding: 14px 20px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            flex-shrink: 0;
            letter-spacing: 0.03em;
        }

        /* ========== MOBILE TOP NAV ========== */
        .mobile-top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #fff;
            z-index: 1040;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            align-items: center;
            padding: 0 16px;
            justify-content: space-between;
        }
        .mobile-top-nav .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
        }
        .mobile-top-nav .mobile-logo .mobile-brand-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .mobile-top-nav .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
        }
        .mobile-top-nav .hamburger-btn:hover {
            background: var(--border-light);
        }
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1045;
            opacity: 0;
            transition: opacity var(--transition);
        }
        .mobile-overlay.show {
            display: block;
            opacity: 1;
        }
        .mobile-sidebar-clone {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1055;
            transform: translateX(-100%);
            transition: transform var(--transition);
            overflow-y: auto;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
        }
        .mobile-sidebar-clone.open {
            transform: translateX(0);
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .content-wrapper {
            flex: 1;
            padding: 0;
        }

        /* ========== SECTION CONTAINER ========== */
        .section-container {
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .section-full {
            width: 100%;
            padding: 0;
        }

        /* ========== HERO FLASH SALE BAR ========== */
        .hero-flash-bar {
            background: linear-gradient(135deg, #1a1a2e 0%, #0F172A 40%, #1a0a00 100%);
            border-bottom: 3px solid var(--primary);
            padding: 14px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-flash-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 300%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 94, 26, 0.06), transparent);
            animation: flashScan 4s ease-in-out infinite;
        }
        @keyframes flashScan {
            0% {
                left: -100%;
            }
            100% {
                left: 100%;
            }
        }
        .flash-bar-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .flash-countdown {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            padding: 8px 16px;
            border-radius: 20px;
            border: 1px solid rgba(255, 94, 26, 0.4);
        }
        .flash-countdown .countdown-label {
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .flash-countdown .countdown-timer {
            display: flex;
            gap: 4px;
            align-items: center;
        }
        .flash-countdown .time-block {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-family: var(--font-en);
            font-size: 1.1rem;
            padding: 3px 8px;
            border-radius: 4px;
            min-width: 32px;
            text-align: center;
        }
        .flash-countdown .time-sep {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
        }
        .flash-msg {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }
        .flash-msg .highlight {
            color: var(--primary-light);
            font-weight: 700;
        }
        .flash-cta-sm {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
            animation: pulseBtn 2s ease-in-out infinite;
        }
        @keyframes pulseBtn {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 94, 26, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(255, 94, 26, 0);
            }
        }
        .flash-cta-sm:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(255, 94, 26, 0.4);
            color: #fff;
        }

        /* ========== HERO MAIN ========== */
        .hero-sports-tech {
            background: linear-gradient(170deg, #0F172A 0%, #1a2332 30%, #0F172A 70%, #0a0f1a 100%);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .hero-sports-tech::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 2;
        }
        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 20% 30%, rgba(255, 94, 26, 0.08) 0%, transparent 60%),
                radial-gradient(circle at 75% 60%, rgba(16, 185, 129, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 50% 80%, rgba(255, 94, 26, 0.04) 0%, transparent 40%);
            z-index: 0;
        }
        .hero-sports-tech .section-container {
            position: relative;
            z-index: 1;
        }
        .hero-tech-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-tech-text .hero-badge {
            display: inline-block;
            background: rgba(255, 94, 26, 0.2);
            color: var(--primary-light);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            border: 1px solid rgba(255, 94, 26, 0.3);
        }
        .hero-tech-text h1 {
            color: #fff;
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }
        .hero-tech-text h1 .accent-word {
            color: var(--primary);
            position: relative;
        }
        .hero-tech-text .hero-subtitle {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-tech-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-hero {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary-hero:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 94, 26, 0.4);
            color: #fff;
        }
        .btn-outline-hero {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-hero:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .hero-tech-visual {
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-xl);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
            overflow: hidden;
        }
        .hero-tech-visual img {
            border-radius: var(--radius);
            width: 100%;
            height: auto;
            position: relative;
            z-index: 1;
        }
        .hero-tech-visual .tech-glow {
            position: absolute;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(255, 94, 26, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            top: -40px;
            right: -40px;
            z-index: 0;
        }

        /* ========== TWO-COLUMN LAYOUT ========== */
        .two-col-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }
        .main-col {
            min-width: 0;
        }
        .sidebar-col {
            position: sticky;
            top: 24px;
        }

        /* ========== SECTION TITLES ========== */
        .section-title-block {
            margin-bottom: 32px;
        }
        .section-title-block .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }
        .section-title-block h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .section-title-block .section-desc {
            color: var(--text-soft);
            font-size: 1rem;
            line-height: 1.6;
        }

        /* ========== DEEP CONTENT CARD ========== */
        .deep-content-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 28px;
            transition: box-shadow var(--transition);
        }
        .deep-content-card:hover {
            box-shadow: var(--shadow-md);
        }
        .deep-content-card h3 {
            font-size: 1.35rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .deep-content-card p {
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 12px;
            font-size: 0.98rem;
        }
        .deep-content-card .tech-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }
        .tech-tag {
            display: inline-block;
            background: #fef3ee;
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: 1px solid rgba(255, 94, 26, 0.15);
            transition: all var(--transition-fast);
        }
        .tech-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== IMAGE-TEXT ROW ========== */
        .img-text-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
            margin-bottom: 28px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .img-text-row:hover {
            box-shadow: var(--shadow-md);
        }
        .img-text-row .img-side {
            height: 100%;
            min-height: 280px;
            overflow: hidden;
        }
        .img-text-row .img-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .img-text-row:hover .img-side img {
            transform: scale(1.04);
        }
        .img-text-row .text-side {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .img-text-row .text-side h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .img-text-row .text-side p {
            color: var(--text-soft);
            line-height: 1.7;
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .img-text-row.reverse {
            direction: rtl;
        }
        .img-text-row.reverse .text-side {
            direction: ltr;
        }

        /* ========== TECH METRICS GRID ========== */
        .tech-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 28px;
        }
        .tech-metric-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .tech-metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--primary);
        }
        .tech-metric-card .metric-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .tech-metric-card .metric-value {
            font-family: var(--font-en);
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.01em;
        }
        .tech-metric-card .metric-label {
            color: var(--text-soft);
            font-size: 0.85rem;
            margin-top: 4px;
        }

        /* ========== SIDEBAR ========== */
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            margin-bottom: 24px;
        }
        .sidebar-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4 i {
            color: var(--primary);
            font-size: 0.9rem;
        }
        .sidebar-article-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .sidebar-article-list li {
            border-bottom: 1px solid var(--border-light);
            padding-bottom: 12px;
        }
        .sidebar-article-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-article-list li a {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
            display: block;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }
        .sidebar-article-list li a:hover {
            color: var(--primary);
        }
        .sidebar-article-list li .article-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-tag-cloud .stag {
            display: inline-block;
            padding: 5px 12px;
            background: #f8fafc;
            border: 1px solid var(--border);
            border-radius: 16px;
            font-size: 0.78rem;
            color: var(--text-soft);
            transition: all var(--transition-fast);
            cursor: pointer;
            font-weight: 500;
        }
        .sidebar-tag-cloud .stag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            margin-bottom: 28px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 4px;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
        }
        .comparison-table th {
            background: #f8fafc;
            font-weight: 700;
            color: var(--text);
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .comparison-table .highlight-cell {
            color: var(--primary);
            font-weight: 700;
        }
        .comparison-table .check-icon {
            color: var(--accent);
            font-weight: 700;
        }

        /* ========== FAQ ========== */
        .faq-section {
            margin-bottom: 28px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 10px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            text-align: left;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
            color: var(--text-muted);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 20px 20px;
            color: var(--text-soft);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #0F172A 0%, #1a2332 50%, #0F172A 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            margin-bottom: 28px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 94, 26, 0.15) 0%, transparent 70%);
            top: -80px;
            right: -60px;
            border-radius: 50%;
        }
        .cta-section h3 {
            color: #fff;
            font-size: 1.6rem;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            font-size: 1rem;
        }
        .cta-section .btn-cta-large {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 16px 36px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-cta-large:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 94, 26, 0.45);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            flex-direction: column;
            gap: 6px;
            align-items: center;
        }
        .footer-bottom p {
            margin: 0;
        }
        .footer-links-row {
            display: flex;
            gap: 10px;
            align-items: center;
            font-size: 0.8rem;
        }
        .footer-links-row a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition-fast);
        }
        .footer-links-row a:hover {
            color: var(--primary-light);
        }
        .footer-links-row span {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .two-col-layout {
                grid-template-columns: 1fr 300px;
                gap: 28px;
            }
            .tech-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-tech-grid {
                gap: 32px;
            }
            .hero-tech-text h1 {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 992px) {
            body {
                padding-left: 0;
            }
            .sidebar-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
            }
            .main-content {
                padding-top: var(--header-height);
            }
            .two-col-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sidebar-col {
                position: static;
                top: auto;
            }
            .hero-tech-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-tech-visual {
                order: -1;
                max-width: 500px;
                margin: 0 auto;
            }
            .hero-tech-text h1 {
                font-size: 2rem;
            }
            .img-text-row {
                grid-template-columns: 1fr;
            }
            .img-text-row .img-side {
                min-height: 200px;
                max-height: 260px;
            }
            .img-text-row.reverse {
                direction: ltr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .section-container {
                padding: 0 20px;
            }
            .tech-metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .flash-bar-inner {
                gap: 10px;
                padding: 0 8px;
            }
            .flash-msg {
                font-size: 0.8rem;
                text-align: center;
            }
            .flash-countdown {
                padding: 6px 10px;
            }
            .flash-countdown .time-block {
                font-size: 0.9rem;
                padding: 2px 6px;
                min-width: 26px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .deep-content-card {
                padding: 24px;
            }
        }
        @media (max-width: 576px) {
            .section-container {
                padding: 0 14px;
            }
            .hero-sports-tech {
                padding: 40px 0 50px;
            }
            .hero-tech-text h1 {
                font-size: 1.6rem;
            }
            .hero-tech-text .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .tech-metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .tech-metric-card {
                padding: 16px;
            }
            .tech-metric-card .metric-value {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .img-text-row .text-side {
                padding: 20px;
            }
            .img-text-row .text-side h3 {
                font-size: 1.1rem;
            }
            .deep-content-card {
                padding: 18px;
            }
            .comparison-table-wrap {
                font-size: 0.78rem;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 0.75rem;
            }
            .flash-bar-inner {
                flex-direction: column;
                gap: 6px;
            }
            .flash-cta-sm {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .sidebar-card {
                padding: 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #FF5E1A;
            --primary-dark: #e04d10;
            --primary-light: #FF7F3F;
            --primary-glow: rgba(255, 94, 26, 0.35);
            --secondary: #0F172A;
            --secondary-light: #1a2332;
            --accent: #10B981;
            --accent-dark: #0d9668;
            --bg: #F8FAFC;
            --surface: #FFFFFF;
            --text: #1E293B;
            --text-soft: #64748B;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --inner-gap: 24px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-left: var(--sidebar-width);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
            margin-bottom: 0.75rem;
        }

        h1 {
            font-size: 2.5rem;
            letter-spacing: -0.01em;
        }

        h2 {
            font-size: 2rem;
            letter-spacing: -0.005em;
        }

        h3 {
            font-size: 1.5rem;
        }

        p {
            margin-bottom: 1rem;
        }

        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }

        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            font-weight: 700;
        }

        .sidebar-brand .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .sidebar-nav-list {
            list-style: none;
            padding: 12px 12px;
            margin: 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .sidebar-nav-list li a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .sidebar-nav-list li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.35);
        }

        .sidebar-footer-info {
            padding: 14px 20px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        /* ========== MOBILE TOP NAV ========== */
        .mobile-top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: #fff;
            z-index: 1049;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
            border-bottom: 1px solid var(--border);
        }

        .mobile-top-nav .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
        }

        .mobile-top-nav .mobile-logo .mobile-brand-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            font-weight: 700;
        }

        .mobile-top-nav .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            line-height: 1;
        }

        .mobile-top-nav .hamburger-btn:hover {
            background: var(--border-light);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1048;
            transition: opacity var(--transition);
        }

        .sidebar-overlay.show {
            display: block;
            opacity: 1;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            min-height: 100vh;
            padding-top: 0;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            background: linear-gradient(135deg, #f0f4f8 0%, #e8edf3 30%, #f8fafc 60%, #eef2f7 100%);
            padding: 56px 0 44px;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(255, 94, 26, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .hero-text {
            flex: 1;
            min-width: 280px;
        }

        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
            position: relative;
            display: inline-block;
        }

        .hero-text h1::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        .hero-text .hero-subtitle {
            font-size: 1.08rem;
            color: var(--text-soft);
            margin-bottom: 20px;
            line-height: 1.6;
            max-width: 580px;
        }

        .hero-text .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: #fff;
            border: 1px solid var(--border);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text);
            box-shadow: var(--shadow-sm);
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 0.75rem;
        }

        .hero-visual {
            flex: 0 0 340px;
            min-width: 260px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #fff;
            position: relative;
        }

        .hero-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .hero-visual .hero-visual-badge {
            position: absolute;
            bottom: 16px;
            left: 16px;
            background: var(--primary);
            color: #fff;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            box-shadow: var(--shadow-md);
        }

        /* ========== SECTION COMMON ========== */
        .page-section {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--primary);
            background: rgba(255, 94, 26, 0.06);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
            letter-spacing: -0.005em;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-soft);
            margin-bottom: 28px;
            max-width: 700px;
            line-height: 1.7;
        }

        /* ========== COURSE CARDS GRID ========== */
        .course-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .course-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-light);
            cursor: pointer;
            position: relative;
        }

        .course-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .course-card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            background: #e8edf3;
            position: relative;
        }

        .course-card-img .course-level-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 2;
        }

        .course-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .course-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }

        .course-card-body .course-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-soft);
            margin-bottom: 10px;
        }

        .course-card-body .course-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .course-card-body .course-meta span i {
            color: var(--accent);
            font-size: 0.7rem;
        }

        .course-card-body .course-desc {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .course-card-body .course-price {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .course-card-body .course-price small {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        .btn-course-detail {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            padding: 9px 20px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            align-self: flex-start;
            text-decoration: none;
        }

        .btn-course-detail:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.3);
        }

        /* ========== TRAINING PROCESS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 44px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border);
            z-index: 0;
            display: none;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .process-step .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            box-shadow: 0 6px 20px rgba(255, 94, 26, 0.3);
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== DEEP CONTENT SECTION ========== */
        .deep-content-block {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 36px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .deep-content-block .deep-content-img {
            flex: 0 0 300px;
            min-width: 240px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .deep-content-block .deep-content-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .deep-content-block .deep-content-text {
            flex: 1;
            min-width: 280px;
        }

        .deep-content-block .deep-content-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
        }

        .deep-content-block .deep-content-text p {
            font-size: 0.95rem;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        .deep-content-block .highlight-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }

        .deep-content-block .highlight-list li {
            padding: 8px 0;
            padding-left: 24px;
            position: relative;
            font-size: 0.93rem;
            color: var(--text);
            line-height: 1.6;
        }

        .deep-content-block .highlight-list li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 14px;
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
        }

        /* ========== COACH SECTION ========== */
        .coach-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .coach-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            padding-bottom: 20px;
        }

        .coach-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .coach-card .coach-avatar {
            width: 100%;
            aspect-ratio: 1/1;
            object-fit: cover;
            background: #e8edf3;
        }

        .coach-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-top: 16px;
            margin-bottom: 2px;
            padding: 0 14px;
        }

        .coach-card .coach-title {
            font-size: 0.82rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 4px;
            padding: 0 14px;
        }

        .coach-card .coach-bio {
            font-size: 0.8rem;
            color: var(--text-soft);
            padding: 0 14px;
            line-height: 1.5;
        }

        /* ========== TARGET AUDIENCE ========== */
        .audience-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .audience-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
        }

        .audience-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .audience-card .audience-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(255, 94, 26, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .audience-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .audience-card p {
            font-size: 0.85rem;
            color: var(--text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: all var(--transition-fast);
            color: var(--text-soft);
        }

        .faq-item.open .faq-question .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a2035 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 94, 26, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-text {
            flex: 1;
            min-width: 280px;
            color: #fff;
        }

        .cta-text h2 {
            color: #fff;
            font-size: 1.9rem;
            margin-bottom: 10px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .cta-form-wrap {
            flex: 0 0 380px;
            min-width: 300px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-xl);
        }

        .cta-form-wrap h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-align: center;
        }

        .cta-form-wrap .form-control {
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 10px 14px;
            font-size: 0.9rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            margin-bottom: 12px;
        }

        .cta-form-wrap .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 94, 26, 0.1);
            outline: none;
        }

        .btn-cta-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 24px;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.3);
        }

        .btn-cta-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(255, 94, 26, 0.4);
            transform: translateY(-1px);
        }

        /* ========== MODAL CUSTOM ========== */
        .modal-custom .modal-content {
            border-radius: var(--radius-xl);
            border: none;
            box-shadow: var(--shadow-xl);
            overflow: hidden;
        }

        .modal-custom .modal-header {
            background: var(--secondary);
            color: #fff;
            border-bottom: none;
            padding: 20px 24px;
        }

        .modal-custom .modal-header .modal-title {
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
        }

        .modal-custom .modal-header .btn-close {
            filter: brightness(0) invert(1);
            opacity: 0.8;
        }

        .modal-custom .modal-body {
            padding: 24px;
            font-size: 0.95rem;
            line-height: 1.8;
            color: var(--text);
        }

        .modal-custom .modal-body .course-detail-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 16px;
        }

        .modal-custom .modal-body .course-detail-item {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 12px 16px;
        }

        .modal-custom .modal-body .course-detail-item strong {
            display: block;
            font-size: 0.78rem;
            color: var(--text-soft);
            margin-bottom: 2px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .modal-custom .modal-body .course-detail-item span {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
        }

        .modal-custom .modal-footer {
            border-top: 1px solid var(--border-light);
            padding: 16px 24px;
            gap: 10px;
        }

        .btn-modal-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 22px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-modal-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.3);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.88rem;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .site-footer .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }

        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col ul li a:hover {
            color: var(--primary-light);
        }

        .site-footer .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .site-footer .footer-bottom p {
            margin-bottom: 4px;
        }

        .site-footer .footer-links-row {
            margin-top: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .site-footer .footer-links-row a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
        }

        .site-footer .footer-links-row a:hover {
            color: var(--primary-light);
        }

        .site-footer .footer-links-row span {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .course-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coach-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-visual {
                flex: 0 0 280px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 991px) {
            body {
                padding-left: 0;
                padding-top: var(--header-height);
            }
            .sidebar-nav {
                transform: translateX(-100%);
                width: 260px;
                z-index: 1051;
            }
            .sidebar-nav.open {
                transform: translateX(0);
            }
            .mobile-top-nav {
                display: flex;
            }
            .sidebar-overlay {
                display: none;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .hero-section {
                padding: 32px 0 28px;
            }
            .hero-inner {
                flex-direction: column;
                gap: 20px;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .hero-text h1 {
                font-size: 1.9rem;
            }
            .page-section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-container {
                padding: 0 20px;
            }
            .course-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .coach-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .audience-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .cta-inner {
                flex-direction: column;
            }
            .cta-form-wrap {
                flex: 0 0 auto;
                width: 100%;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .deep-content-block {
                flex-direction: column;
                padding: 24px;
            }
            .deep-content-block .deep-content-img {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 767px) {
            .course-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .coach-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .audience-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-text .hero-subtitle {
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .modal-custom .modal-body .course-detail-grid {
                grid-template-columns: 1fr;
            }
            .cta-text h2 {
                font-size: 1.4rem;
            }
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            h3 {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 520px) {
            .coach-grid {
                grid-template-columns: 1fr;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-container {
                padding: 0 14px;
            }
            .hero-section {
                padding: 20px 0 20px;
            }
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .page-section {
                padding: 28px 0;
            }
            .cta-form-wrap {
                padding: 18px;
            }
            .deep-content-block {
                padding: 16px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #FF5E1A;
            --primary-dark: #e04d10;
            --primary-light: #FF7F3F;
            --primary-glow: rgba(255, 94, 26, 0.35);
            --secondary: #0F172A;
            --secondary-light: #1a2332;
            --accent: #10B981;
            --accent-dark: #0d9668;
            --bg: #F8FAFC;
            --surface: #FFFFFF;
            --text: #1E293B;
            --text-soft: #64748B;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --inner-gap: 24px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-left: var(--sidebar-width);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            letter-spacing: 0.015em;
            color: var(--text);
        }

        h1 {
            font-size: 2.5rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            line-height: 1.25;
        }
        h3 {
            font-size: 1.5rem;
            line-height: 1.3;
        }
        h4 {
            font-size: 1.25rem;
            line-height: 1.35;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            font-weight: 700;
        }

        .sidebar-brand .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .sidebar-nav-list {
            list-style: none;
            padding: 12px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin: 0;
        }

        .sidebar-nav-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .sidebar-nav-list li a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .sidebar-nav-list li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.35);
        }

        .sidebar-footer-info {
            padding: 14px 20px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.78rem;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        /* ========== MOBILE TOP BAR ========== */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: var(--secondary);
            z-index: 1060;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }

        .mobile-topbar .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .mobile-topbar .mobile-logo .brand-icon {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #fff;
            font-weight: 700;
        }

        .mobile-topbar .hamburger-btn {
            margin-left: auto;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 8px;
            transition: color var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
        }

        .mobile-topbar .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1045;
            transition: opacity var(--transition);
        }

        .sidebar-overlay.show {
            display: block;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            min-height: 100vh;
            padding: 0;
        }

        .section-container {
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .section-padding {
            padding: var(--section-gap) 0;
        }

        .section-padding-sm {
            padding: 40px 0;
        }

        /* ========== HERO BANNER ========== */
        .news-hero {
            position: relative;
            background: linear-gradient(135deg, var(--secondary) 0%, #1a1f35 40%, #0d1520 100%);
            padding: 72px 0 60px;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .news-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .news-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 1;
        }

        .news-hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .news-hero-text {
            flex: 1;
            min-width: 280px;
        }

        .news-hero-text .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .news-hero-text h1 {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .news-hero-text .hero-subtitle {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.1rem;
            line-height: 1.6;
            max-width: 520px;
        }

        .news-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }

        .news-hero-stat {
            text-align: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.08);
            min-width: 120px;
        }

        .news-hero-stat .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-en);
            letter-spacing: -0.01em;
        }

        .news-hero-stat .stat-label {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            margin-top: 4px;
        }

        /* ========== NEWS CATEGORY TAGS ========== */
        .news-tags-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
        }

        .news-tags-inner {
            display: flex;
            gap: 6px;
            padding: 14px 0;
            flex-wrap: wrap;
            align-items: center;
        }

        .news-tag {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            background: var(--bg);
            color: var(--text-soft);
            border: 1px solid transparent;
            white-space: nowrap;
        }

        .news-tag:hover {
            background: #fff0ea;
            color: var(--primary);
            border-color: rgba(255, 94, 26, 0.25);
        }
        .news-tag.active-tag {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(255, 94, 26, 0.3);
        }

        /* ========== NEWS LIST SECTION ========== */
        .news-list-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        .news-main-col {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: row;
            gap: 0;
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(255, 94, 26, 0.12);
        }

        .news-card-img {
            width: 220px;
            min-height: 180px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }

        .news-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 8px;
        }

        .news-card-date i {
            color: var(--primary);
            font-size: 0.75rem;
        }

        .news-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-title a {
            color: var(--text);
            transition: color var(--transition-fast);
        }
        .news-card-title a:hover {
            color: var(--primary);
        }

        .news-card-summary {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
            flex: 1;
        }

        .news-card-readmore {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition-fast);
            align-self: flex-start;
        }

        .news-card-readmore:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .news-card-readmore i {
            font-size: 0.7rem;
            transition: transform var(--transition-fast);
        }
        .news-card-readmore:hover i {
            transform: translateX(3px);
        }

        /* ========== SIDEBAR ========== */
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 80px;
        }

        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
            display: inline-block;
            letter-spacing: 0.02em;
        }

        .sidebar-hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .sidebar-hot-list li {
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
        }
        .sidebar-hot-list li:last-child {
            padding-bottom: 0;
            border-bottom: none;
        }

        .sidebar-hot-list li a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text);
            display: flex;
            align-items: flex-start;
            gap: 8px;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .sidebar-hot-list li a:hover {
            color: var(--primary);
        }
        .sidebar-hot-list li a .hot-dot {
            color: var(--primary);
            font-size: 0.5rem;
            margin-top: 6px;
            flex-shrink: 0;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .sidebar-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            background: var(--bg);
            color: var(--text-soft);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
        }
        .sidebar-tag:hover {
            background: #fff0ea;
            color: var(--primary);
            border-color: rgba(255, 94, 26, 0.2);
        }

        .sidebar-subscribe {
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 22px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .sidebar-subscribe h4 {
            color: #fff;
            border-bottom-color: var(--primary);
            font-size: 1rem;
        }
        .sidebar-subscribe p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.85rem;
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .sidebar-subscribe input {
            width: 100%;
            padding: 10px 14px;
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            margin-bottom: 10px;
            transition: all var(--transition-fast);
        }
        .sidebar-subscribe input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .sidebar-subscribe input:focus {
            outline: none;
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(255, 94, 26, 0.15);
        }
        .sidebar-subscribe .btn-sub {
            width: 100%;
            padding: 10px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .sidebar-subscribe .btn-sub:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(255, 94, 26, 0.35);
        }

        /* ========== FEATURED DEEP REPORT ========== */
        .featured-report-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .featured-report-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
        }
        .featured-report-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .featured-report-card .report-img {
            height: 200px;
            overflow: hidden;
        }
        .featured-report-card .report-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-report-card:hover .report-img img {
            transform: scale(1.06);
        }
        .featured-report-card .report-body {
            padding: 20px;
        }
        .featured-report-card .report-body .report-label {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 6px;
        }
        .featured-report-card .report-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .featured-report-card .report-body p {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== DATA SNAPSHOT ========== */
        .data-snapshot-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .data-snapshot-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .data-snapshot-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 3px 3px;
        }
        .data-snapshot-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .data-snapshot-card .snap-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .data-snapshot-card .snap-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            font-family: var(--font-en);
            letter-spacing: -0.02em;
        }
        .data-snapshot-card .snap-label {
            font-size: 0.85rem;
            color: var(--text-soft);
            margin-top: 4px;
        }

        /* ========== BRAND INTRO SECTION ========== */
        .brand-intro-block {
            background: var(--surface);
            border-radius: var(--radius-xl);
            padding: 44px 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            display: flex;
            gap: 36px;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand-intro-block .brand-intro-img {
            width: 280px;
            height: 200px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            flex-shrink: 0;
        }
        .brand-intro-block .brand-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-intro-block .brand-intro-text {
            flex: 1;
            min-width: 260px;
        }
        .brand-intro-block .brand-intro-text h3 {
            margin-bottom: 14px;
            font-size: 1.4rem;
        }
        .brand-intro-block .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--text-soft);
            line-height: 1.8;
            margin-bottom: 8px;
        }

        /* ========== HOT TOPICS ========== */
        .hot-topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .hot-topic-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
        }
        .hot-topic-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(255, 94, 26, 0.2);
        }
        .hot-topic-card .topic-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .hot-topic-card h4 {
            font-size: 1rem;
            margin-bottom: 6px;
        }
        .hot-topic-card p {
            font-size: 0.83rem;
            color: var(--text-soft);
            line-height: 1.5;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a2035 50%, #0d1520 100%);
            padding: 56px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-section h2 {
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .cta-section .btn-cta {
            display: inline-block;
            padding: 14px 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 28px rgba(255, 94, 26, 0.35);
        }
        .cta-section .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(255, 94, 26, 0.45);
            color: #fff;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            transition: color var(--transition-fast);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
            color: var(--text-muted);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.92rem;
            color: var(--text-soft);
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .site-footer .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .site-footer .footer-bottom p {
            margin: 0 0 4px;
        }
        .site-footer .footer-links-row {
            margin-top: 8px;
            display: flex;
            justify-content: center;
            gap: 10px;
            align-items: center;
        }
        .site-footer .footer-links-row a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.82rem;
        }
        .site-footer .footer-links-row a:hover {
            color: var(--primary-light);
        }
        .site-footer .footer-links-row span {
            color: rgba(255, 255, 255, 0.2);
        }

        /* ========== SECTION HEADERS ========== */
        .section-header {
            margin-bottom: 32px;
        }
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 8px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 48px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .section-header .section-subtitle {
            color: var(--text-soft);
            font-size: 0.95rem;
            margin-top: 6px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .news-list-layout {
                grid-template-columns: 1fr 300px;
                gap: 24px;
            }
            .news-card-img {
                width: 180px;
                min-height: 150px;
            }
            .data-snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-report-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hot-topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            body {
                padding-left: 0;
                padding-top: var(--header-height);
            }
            .sidebar-nav {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .sidebar-nav.open {
                transform: translateX(0);
                box-shadow: 4px 0 32px rgba(0, 0, 0, 0.35);
            }
            .mobile-topbar {
                display: flex;
            }
            .sidebar-overlay.show {
                display: block;
            }
            .news-list-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .news-sidebar {
                position: static;
                top: auto;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card-img {
                width: 100%;
                min-height: 180px;
                max-height: 220px;
            }
            .news-hero {
                padding: 48px 0 40px;
                min-height: auto;
            }
            .news-hero-text h1 {
                font-size: 1.8rem;
            }
            .news-hero-stats {
                gap: 16px;
            }
            .news-hero-stat {
                padding: 16px 18px;
                min-width: 90px;
            }
            .news-hero-stat .stat-number {
                font-size: 1.5rem;
            }
            .featured-report-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro-block {
                flex-direction: column;
                text-align: center;
            }
            .brand-intro-block .brand-intro-img {
                width: 100%;
                max-width: 400px;
                height: 180px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-padding {
                padding: var(--section-gap-mobile) 0;
            }
            .section-container {
                padding: 0 20px;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .data-snapshot-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 768px) {
            .news-hero-content {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
            .news-hero-text .hero-subtitle {
                max-width: 100%;
                margin: 0 auto;
            }
            .news-hero-stats {
                justify-content: center;
            }
            .news-sidebar {
                grid-template-columns: 1fr;
            }
            .news-tags-inner {
                justify-content: flex-start;
                gap: 4px;
            }
            .news-tag {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .data-snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-snapshot-card {
                padding: 20px 14px;
            }
            .data-snapshot-card .snap-number {
                font-size: 1.5rem;
            }
            .hot-topics-grid {
                grid-template-columns: 1fr;
            }
            .featured-report-grid {
                grid-template-columns: 1fr;
            }
            .featured-report-card .report-img {
                height: 160px;
            }
            .brand-intro-block {
                padding: 28px 20px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 520px) {
            .news-hero {
                padding: 36px 0 28px;
            }
            .news-hero-text h1 {
                font-size: 1.5rem;
            }
            .news-hero-text .hero-subtitle {
                font-size: 0.9rem;
            }
            .news-hero-stats {
                gap: 8px;
            }
            .news-hero-stat {
                padding: 12px 14px;
                min-width: 70px;
            }
            .news-hero-stat .stat-number {
                font-size: 1.2rem;
            }
            .news-hero-stat .stat-label {
                font-size: 0.7rem;
            }
            .news-card-body {
                padding: 14px 16px;
            }
            .news-card-title {
                font-size: 1rem;
            }
            .news-card-summary {
                font-size: 0.82rem;
            }
            .data-snapshot-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-container {
                padding: 0 14px;
            }
            .section-padding {
                padding: 32px 0;
            }
            .news-tags-inner {
                gap: 3px;
            }
            .news-tag {
                padding: 5px 10px;
                font-size: 0.75rem;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.85rem;
            }
            .cta-section {
                padding: 36px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section .btn-cta {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #FF5E1A;
            --primary-dark: #e04d10;
            --primary-light: #FF7F3F;
            --primary-glow: rgba(255, 94, 26, 0.35);
            --secondary: #0F172A;
            --secondary-light: #1a2332;
            --accent: #10B981;
            --accent-dark: #0d9668;
            --bg: #F8FAFC;
            --surface: #FFFFFF;
            --text: #1E293B;
            --text-soft: #64748B;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --inner-gap: 24px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-left: var(--sidebar-width);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }

        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            font-weight: 700;
        }

        .sidebar-brand .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .sidebar-nav-list {
            list-style: none;
            padding: 12px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin: 0;
        }

        .sidebar-nav-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .sidebar-nav-list li a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }

        .sidebar-nav-list li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.35);
        }

        .sidebar-nav-list li a .nav-badge {
            margin-left: auto;
            background: var(--accent);
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .sidebar-footer-info {
            padding: 14px 20px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        /* ========== MOBILE NAV TOGGLE ========== */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 12px;
            left: 12px;
            z-index: 1060;
            width: 42px;
            height: 42px;
            background: var(--secondary);
            border: none;
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.3rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-fast);
        }

        .mobile-nav-toggle:hover {
            background: var(--secondary-light);
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1045;
            transition: opacity var(--transition);
        }

        .sidebar-overlay.show {
            display: block;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .section-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
            width: 100%;
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        .section-gap-sm {
            padding: 40px 0;
        }

        /* ========== BUTTONS ========== */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(255, 94, 26, 0.3);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 94, 26, 0.4);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            padding: 11px 26px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-outline-custom:hover {
            background: rgba(255, 94, 26, 0.06);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-accent-custom:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(16, 185, 129, 0.4);
        }

        /* ========== HERO SECTION ========== */
        .about-hero {
            position: relative;
            background: linear-gradient(135deg, var(--secondary) 0%, #1a1a2e 40%, #16213e 100%);
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .about-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .about-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.7) 0%, rgba(15, 23, 42, 0.9) 100%);
            z-index: 1;
        }

        .about-hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0;
            width: 100%;
        }

        .about-hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .about-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }

        .about-hero .hero-subtitle {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            line-height: 1.7;
            margin-bottom: 8px;
        }

        .about-hero-stats-row {
            display: flex;
            gap: 40px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .about-hero-stat {
            text-align: center;
        }

        .about-hero-stat .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-en);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .about-hero-stat .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ========== BRAND STORY ========== */
        .brand-story-section {
            background: var(--surface);
        }

        .brand-story-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .brand-story-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }

        .brand-story-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        .brand-story-image-wrap .image-accent-dot {
            position: absolute;
            width: 60px;
            height: 60px;
            background: var(--primary);
            border-radius: 50%;
            bottom: -20px;
            right: -20px;
            z-index: 2;
            opacity: 0.8;
        }

        .brand-story-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .brand-story-text .story-highlight {
            font-size: 1.15rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 14px;
            padding-left: 16px;
            border-left: 4px solid var(--primary);
            line-height: 1.6;
        }

        .brand-story-text p {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .brand-story-text .story-tag-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-top: 18px;
        }

        .story-tag {
            display: inline-block;
            background: rgba(255, 94, 26, 0.08);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* ========== TIMELINE ========== */
        .timeline-section {
            background: var(--bg);
        }

        .timeline-section h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .timeline-section .timeline-subtitle {
            text-align: center;
            font-size: 1rem;
            color: var(--text-soft);
            margin-bottom: 48px;
        }

        .timeline {
            position: relative;
            padding: 0;
            list-style: none;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--primary), var(--accent), var(--primary));
            border-radius: 2px;
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 48px;
            width: 100%;
            display: flex;
            align-items: flex-start;
        }

        .timeline-item:nth-child(odd) {
            justify-content: flex-start;
            padding-right: calc(50% + 36px);
        }

        .timeline-item:nth-child(even) {
            justify-content: flex-end;
            padding-left: calc(50% + 36px);
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            top: 6px;
            width: 18px;
            height: 18px;
            background: var(--primary);
            border-radius: 50%;
            border: 4px solid #fff;
            box-shadow: 0 0 0 3px var(--primary-glow);
            transform: translateX(-50%);
            z-index: 2;
        }

        .timeline-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border-left: 4px solid var(--primary);
            width: 100%;
            max-width: 380px;
        }

        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .timeline-card .timeline-year {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-en);
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }

        .timeline-card .timeline-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .timeline-card .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
        }

        /* ========== SPORTS DNA ========== */
        .sports-dna-section {
            background: var(--secondary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .sports-dna-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .sports-dna-section .section-container {
            position: relative;
            z-index: 1;
        }

        .sports-dna-section h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .sports-dna-section .dna-subtitle {
            text-align: center;
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 48px;
        }

        .dna-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dna-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }

        .dna-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }

        .dna-card .dna-icon {
            width: 56px;
            height: 56px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: #fff;
        }

        .dna-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .dna-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        /* ========== TEAM SECTION ========== */
        .team-section {
            background: var(--surface);
        }

        .team-section h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .team-section .team-subtitle {
            text-align: center;
            font-size: 1rem;
            color: var(--text-soft);
            margin-bottom: 48px;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .team-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            text-align: center;
        }

        .team-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .team-card .team-avatar-wrap {
            width: 100%;
            aspect-ratio: 1/1;
            overflow: hidden;
            position: relative;
            background: var(--bg);
        }

        .team-card .team-avatar-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .team-card .team-avatar-wrap .team-avatar-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.7) 0%, transparent 50%);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .team-card:hover .team-avatar-overlay {
            opacity: 1;
        }

        .team-card .team-info {
            padding: 20px 16px;
        }

        .team-card .team-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }

        .team-card .team-role {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .team-card .team-bio {
            font-size: 0.88rem;
            color: var(--text-soft);
            line-height: 1.6;
        }

        .team-card .team-social {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 12px;
        }

        .team-card .team-social a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 94, 26, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }

        .team-card .team-social a:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== ACHIEVEMENTS ========== */
        .achievements-section {
            background: var(--bg);
        }

        .achievements-section h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .achievements-section .ach-subtitle {
            text-align: center;
            font-size: 1rem;
            color: var(--text-soft);
            margin-bottom: 48px;
        }

        .achievements-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .ach-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }

        .ach-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .ach-card .ach-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            font-family: var(--font-en);
            letter-spacing: 0.02em;
            line-height: 1;
            margin-bottom: 8px;
        }

        .ach-card .ach-number .ach-plus {
            font-size: 1.4rem;
            vertical-align: super;
            color: var(--accent);
        }

        .ach-card .ach-label {
            font-size: 0.95rem;
            color: var(--text-soft);
            font-weight: 500;
        }

        /* ========== PARTNER PHILOSOPHY ========== */
        .partner-philosophy {
            background: var(--surface);
        }

        .philosophy-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .philosophy-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .philosophy-text p {
            font-size: 1rem;
            color: var(--text-soft);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .philosophy-text .philosophy-list {
            list-style: none;
            padding: 0;
            margin-top: 16px;
        }

        .philosophy-text .philosophy-list li {
            padding: 10px 0;
            padding-left: 28px;
            position: relative;
            font-size: 0.98rem;
            color: var(--text);
            font-weight: 500;
            border-bottom: 1px solid var(--border-light);
        }

        .philosophy-text .philosophy-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: 700;
            font-size: 1rem;
        }

        .philosophy-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }

        .philosophy-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg);
        }

        .faq-section h2 {
            text-align: center;
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .faq-section .faq-subtitle {
            text-align: center;
            font-size: 1rem;
            color: var(--text-soft);
            margin-bottom: 40px;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-soft);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-section .section-container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .cta-section .cta-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: var(--radius);
            border: 2px solid transparent;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
            background: #fff;
            color: var(--text);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.2);
        }

        .cta-form .btn-white {
            padding: 13px 28px;
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: var(--radius);
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }

        .cta-form .btn-white:hover {
            background: #f0f0f0;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            line-height: 1.8;
        }

        .footer-bottom p {
            margin: 2px 0;
        }

        .footer-links-row {
            margin-top: 10px;
            display: flex;
            justify-content: center;
            gap: 12px;
            align-items: center;
        }

        .footer-links-row a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }

        .footer-links-row a:hover {
            color: var(--primary);
        }

        .footer-links-row span {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1200px) {
            .dna-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .achievements-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 992px) {
            body {
                padding-left: 0;
            }

            .sidebar-nav {
                transform: translateX(-100%);
            }

            .sidebar-nav.open {
                transform: translateX(0);
            }

            .mobile-nav-toggle {
                display: flex;
            }

            .brand-story-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .philosophy-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                padding-left: 52px;
                padding-right: 0;
                justify-content: flex-start;
            }

            .timeline-dot {
                left: 20px;
            }

            .timeline-card {
                max-width: 100%;
            }

            .about-hero h1 {
                font-size: 2rem;
            }

            .about-hero-stats-row {
                gap: 24px;
            }

            .about-hero-stat .stat-number {
                font-size: 1.8rem;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .dna-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .achievements-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section-gap {
                padding: var(--section-gap-mobile) 0;
            }
            .section-container {
                padding: 0 16px;
            }
            .about-hero h1 {
                font-size: 1.6rem;
            }
            .about-hero .hero-subtitle {
                font-size: 1rem;
            }
            .about-hero-stats-row {
                gap: 16px;
            }
            .about-hero-stat .stat-number {
                font-size: 1.5rem;
            }
            .brand-story-text h2 {
                font-size: 1.5rem;
            }
            .timeline-section h2,
            .sports-dna-section h2,
            .team-section h2,
            .achievements-section h2,
            .faq-section h2,
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .dna-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .achievements-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .team-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .philosophy-grid {
                grid-template-columns: 1fr;
            }
            .brand-story-grid {
                grid-template-columns: 1fr;
            }
            .cta-form {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form input {
                min-width: auto;
            }
        }

        @media (max-width: 520px) {
            .about-hero {
                min-height: 320px;
            }
            .about-hero h1 {
                font-size: 1.4rem;
            }
            .about-hero-stats-row {
                flex-direction: column;
                gap: 10px;
            }
            .dna-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .achievements-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .team-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .timeline-card {
                padding: 14px 16px;
            }
            .timeline-card .timeline-year {
                font-size: 1.3rem;
            }
            .brand-story-text h2 {
                font-size: 1.3rem;
            }
            .section-container {
                padding: 0 12px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #FF5E1A;
            --primary-dark: #e04d10;
            --primary-light: #FF7F3F;
            --primary-glow: rgba(255, 94, 26, 0.35);
            --secondary: #0F172A;
            --secondary-light: #1a2332;
            --accent: #10B981;
            --accent-dark: #0d9668;
            --bg: #F8FAFC;
            --surface: #FFFFFF;
            --text: #1E293B;
            --text-soft: #64748B;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 6px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 56px rgba(0, 0, 0, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', sans-serif;
            --font-en: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --sidebar-width: 240px;
            --header-height: 64px;
            --section-gap: 64px;
            --section-gap-mobile: 40px;
            --inner-gap: 24px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            font-weight: 400;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            letter-spacing: 0.01em;
            padding-left: var(--sidebar-width);
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--secondary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }
        .sidebar-nav::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar-nav::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar-nav::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 20px 20px 18px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            font-weight: 700;
        }
        .sidebar-brand .brand-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .sidebar-nav-list {
            list-style: none;
            padding: 12px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin: 0;
        }
        .sidebar-nav-list li a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }
        .sidebar-nav-list li a i {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .sidebar-nav-list li a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
        }
        .sidebar-nav-list li a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 94, 26, 0.35);
        }
        .sidebar-footer-info {
            padding: 14px 20px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            flex-shrink: 0;
            letter-spacing: 0.02em;
        }

        /* ========== MOBILE TOP NAV ========== */
        .mobile-top-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: var(--surface);
            z-index: 1060;
            box-shadow: var(--shadow-md);
            align-items: center;
            padding: 0 16px;
            gap: 12px;
        }
        .mobile-top-nav .mobile-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            flex: 1;
        }
        .mobile-top-nav .mobile-brand .brand-icon-sm {
            width: 30px;
            height: 30px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
        }
        .mobile-top-nav .hamburger-btn {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-top-nav .hamburger-btn:hover {
            background: var(--border-light);
        }
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1055;
        }
        .mobile-nav-overlay.show {
            display: block;
        }
        .mobile-nav-panel {
            position: fixed;
            top: 0;
            left: 0;
            width: 280px;
            height: 100vh;
            background: var(--secondary);
            z-index: 1065;
            transform: translateX(-100%);
            transition: transform var(--transition);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
        }
        .mobile-nav-panel.show {
            transform: translateX(0);
        }
        .mobile-nav-panel .sidebar-brand {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .mobile-nav-panel .sidebar-nav-list {
            flex: 1;
            padding: 12px;
        }
        .mobile-nav-panel .sidebar-nav-list li a {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.95rem;
            padding: 12px 14px;
        }
        .mobile-nav-panel .sidebar-nav-list li a.active {
            background: var(--primary);
            color: #fff;
        }
        .mobile-nav-panel .sidebar-footer-info {
            color: rgba(255, 255, 255, 0.4);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 14px 20px;
            font-size: 0.78rem;
            text-align: center;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-content {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== SECTION CONTAINER ========== */
        .section-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .section-padding {
            padding: var(--section-gap) 0;
        }

        /* ========== HERO SECTION ========== */
        .partners-hero {
            position: relative;
            background: linear-gradient(135deg, var(--secondary) 0%, #1a1a2e 40%, #16213e 100%);
            padding: 80px 0 70px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .partners-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .partners-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg) 0%, transparent 100%);
            z-index: 1;
        }
        .partners-hero .section-container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .partners-hero .hero-text {
            flex: 1 1 420px;
            color: #fff;
        }
        .partners-hero .hero-text .hero-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 18px;
        }
        .partners-hero .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #fff;
            letter-spacing: 0.01em;
        }
        .partners-hero .hero-text h1 .highlight {
            color: var(--primary-light);
            position: relative;
        }
        .partners-hero .hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.6;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .partners-hero .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 13px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 18px rgba(255, 94, 26, 0.35);
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 94, 26, 0.45);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            padding: 13px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        .partners-hero .hero-demo {
            flex: 0 0 380px;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .partners-hero .hero-demo .demo-stat-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .partners-hero .hero-demo .demo-stat-card {
            flex: 1;
            min-width: 100px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius);
            padding: 16px;
            text-align: center;
            color: #fff;
        }
        .partners-hero .hero-demo .demo-stat-card .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-light);
            font-family: var(--font-en);
            line-height: 1;
        }
        .partners-hero .hero-demo .demo-stat-card .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }
        .partners-hero .hero-demo .demo-mini-logos {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
        }
        .partners-hero .hero-demo .demo-mini-logo {
            width: 44px;
            height: 44px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            transition: all var(--transition-fast);
        }
        .partners-hero .hero-demo .demo-mini-logo:hover {
            background: var(--primary);
            transform: scale(1.1);
        }

        /* ========== SECTION HEADINGS ========== */
        .section-heading {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-heading .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-heading h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .section-heading .section-desc {
            font-size: 1.05rem;
            color: var(--text-soft);
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== BRAND INTRO SECTION ========== */
        .brand-intro-section {
            background: var(--surface);
            padding: var(--section-gap) 0;
        }
        .brand-intro-grid {
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .brand-intro-grid .intro-image {
            flex: 0 0 420px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .brand-intro-grid .intro-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .brand-intro-grid .intro-image:hover img {
            transform: scale(1.03);
        }
        .brand-intro-grid .intro-text {
            flex: 1 1 360px;
        }
        .brand-intro-grid .intro-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }
        .brand-intro-grid .intro-text p {
            color: var(--text-soft);
            line-height: 1.75;
            margin-bottom: 12px;
            font-size: 1rem;
        }
        .brand-intro-grid .intro-text .intro-highlight {
            display: inline-block;
            background: rgba(255, 94, 26, 0.08);
            color: var(--primary-dark);
            padding: 4px 14px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 6px;
        }

        /* ========== LOGO WALL - IRREGULAR GRID ========== */
        .logo-wall-section {
            background: var(--bg);
            padding: var(--section-gap) 0;
        }
        .logo-wall-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            grid-auto-rows: 100px;
            gap: 14px;
            max-width: 1100px;
            margin: 0 auto;
        }
        .logo-wall-item {
            background: var(--surface);
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 6px;
            padding: 16px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            cursor: pointer;
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }
        .logo-wall-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary);
        }
        .logo-wall-item .partner-logo-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .logo-wall-item .partner-name {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            text-align: center;
            letter-spacing: 0.01em;
        }
        .logo-wall-item .partner-tag {
            font-size: 0.7rem;
            color: var(--text-muted);
            text-align: center;
        }
        /* irregular spans */
        .logo-wall-item.span-2col {
            grid-column: span 2;
        }
        .logo-wall-item.span-2row {
            grid-row: span 2;
        }
        .logo-wall-item.span-2both {
            grid-column: span 2;
            grid-row: span 2;
        }
        .logo-wall-item.span-3col {
            grid-column: span 3;
        }
        .logo-wall-item.featured-partner {
            background: linear-gradient(135deg, #fff 0%, #fff8f5 100%);
            border: 2px solid var(--primary-light);
        }
        .logo-wall-item.featured-partner .partner-logo-icon {
            width: 60px;
            height: 60px;
            font-size: 1.8rem;
            background: linear-gradient(135deg, #FF5E1A, #FF7F3F);
        }
        .logo-wall-item.featured-partner .partner-name {
            font-size: 1rem;
        }

        /* ========== CASE STUDY SECTION ========== */
        .case-study-section {
            background: var(--surface);
            padding: var(--section-gap) 0;
        }
        .case-study-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .case-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .case-card.span-2 {
            grid-column: span 2;
            flex-direction: row;
        }
        .case-card .case-image {
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }
        .case-card .case-image img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .case-card.span-2 .case-image {
            width: 45%;
            min-width: 280px;
        }
        .case-card.span-2 .case-image img {
            height: 100%;
            min-height: 280px;
        }
        .case-card:hover .case-image img {
            transform: scale(1.05);
        }
        .case-card .case-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .case-card .case-tag {
            display: inline-block;
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            align-self: flex-start;
            letter-spacing: 0.02em;
        }
        .case-card .case-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
        }
        .case-card .case-desc {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
            flex: 1;
        }
        .case-card .case-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .case-card .case-link {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .case-card .case-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* ========== STATS SECTION ========== */
        .stats-section {
            background: var(--secondary);
            padding: var(--section-gap) 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .stats-section .section-container {
            position: relative;
            z-index: 1;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 24px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .stat-item .stat-icon {
            font-size: 2rem;
            color: var(--primary-light);
            margin-bottom: 10px;
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 700;
            font-family: var(--font-en);
            color: #fff;
            line-height: 1;
        }
        .stat-item .stat-number .stat-suffix {
            font-size: 1.2rem;
            color: var(--primary-light);
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ========== ADVANTAGES SECTION ========== */
        .advantages-section {
            background: var(--bg);
            padding: var(--section-gap) 0;
        }
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            text-align: center;
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .advantage-card .adv-icon {
            width: 56px;
            height: 56px;
            background: rgba(255, 94, 26, 0.08);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition);
        }
        .advantage-card:hover .adv-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.08);
        }
        .advantage-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--text-soft);
            line-height: 1.6;
        }

        /* ========== PROCESS SECTION ========== */
        .process-section {
            background: var(--surface);
            padding: var(--section-gap) 0;
        }
        .process-timeline {
            display: flex;
            gap: 0;
            align-items: flex-start;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
        }
        .process-timeline::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 8%;
            right: 8%;
            height: 3px;
            background: var(--border);
            z-index: 0;
            border-radius: 2px;
        }
        .process-step {
            flex: 1;
            min-width: 160px;
            max-width: 220px;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 10px;
        }
        .process-step .step-circle {
            width: 50px;
            height: 50px;
            background: var(--surface);
            border: 3px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--text-soft);
            transition: all var(--transition);
            font-family: var(--font-en);
            position: relative;
        }
        .process-step:hover .step-circle {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255, 94, 26, 0.04);
            box-shadow: 0 0 0 10px rgba(255, 94, 26, 0.06);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.82rem;
            color: var(--text-soft);
            line-height: 1.5;
        }

        /* ========== TESTIMONIALS SECTION ========== */
        .testimonials-section {
            background: var(--bg);
            padding: var(--section-gap) 0;
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--primary-light);
            opacity: 0.5;
            line-height: 1;
        }
        .testimonial-card .quote-text {
            font-size: 1rem;
            color: var(--text);
            line-height: 1.7;
            font-style: italic;
        }
        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .testimonial-card .quote-author .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .testimonial-card .quote-author .author-info .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }
        .testimonial-card .quote-author .author-info .author-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            background: var(--surface);
            padding: var(--section-gap) 0;
        }
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition), padding var(--transition);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--text-soft);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #1a1a2e 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-section .section-container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form-inline {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form-inline input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: var(--radius);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            outline: none;
        }
        .cta-form-inline input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }
        .cta-form-inline input:focus {
            border-color: var(--primary-light);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(255, 94, 26, 0.15);
        }
        .cta-form-inline .btn-submit {
            padding: 13px 28px;
            border-radius: var(--radius);
            background: var(--primary);
            color: #fff;
            border: none;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .cta-form-inline .btn-submit:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(255, 94, 26, 0.4);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 22px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom p {
            margin: 3px 0;
        }
        .footer-links-row {
            margin-top: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-links-row a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
        }
        .footer-links-row a:hover {
            color: var(--primary-light);
        }
        .footer-links-row span {
            color: rgba(255, 255, 255, 0.3);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1199px) {
            .logo-wall-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 10px;
            }
            .logo-wall-item.span-3col {
                grid-column: span 2;
            }
            .case-study-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-card.span-2 {
                grid-column: span 2;
                flex-direction: row;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantages-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partners-hero .hero-demo {
                flex: 0 0 320px;
            }
        }
        @media (max-width: 991px) {
            body {
                padding-left: 0 !important;
            }
            .sidebar-nav {
                display: none;
            }
            .mobile-top-nav {
                display: flex;
            }
            .main-content {
                padding-top: var(--header-height);
            }
            .partners-hero {
                padding: 50px 0 40px;
                min-height: auto;
            }
            .partners-hero .section-container {
                flex-direction: column;
                gap: 28px;
            }
            .partners-hero .hero-demo {
                flex: 1 1 auto;
                width: 100%;
                max-width: 500px;
            }
            .partners-hero .hero-text h1 {
                font-size: 2rem;
            }
            .logo-wall-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
                grid-auto-rows: 80px;
            }
            .logo-wall-item.span-3col {
                grid-column: span 3;
            }
            .logo-wall-item.span-2both {
                grid-column: span 2;
                grid-row: span 2;
            }
            .case-study-grid {
                grid-template-columns: 1fr;
            }
            .case-card.span-2 {
                grid-column: span 1;
                flex-direction: column;
            }
            .case-card.span-2 .case-image {
                width: 100%;
                min-width: auto;
            }
            .case-card.span-2 .case-image img {
                height: 200px;
                min-height: auto;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .advantages-grid {
                grid-template-columns: 1fr 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .process-timeline::before {
                display: none;
            }
            .process-step {
                max-width: none;
                flex: 1 1 140px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro-grid {
                flex-direction: column;
            }
            .brand-intro-grid .intro-image {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
            }
            .section-padding {
                padding: var(--section-gap-mobile) 0;
            }
            .section-heading h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 767px) {
            .section-container {
                padding: 0 16px;
            }
            .partners-hero .hero-text h1 {
                font-size: 1.6rem;
            }
            .partners-hero .hero-demo {
                padding: 18px;
            }
            .logo-wall-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 6px;
                grid-auto-rows: 70px;
            }
            .logo-wall-item.span-2col,
            .logo-wall-item.span-3col {
                grid-column: span 2;
            }
            .logo-wall-item.span-2both {
                grid-column: span 2;
                grid-row: span 2;
            }
            .logo-wall-item .partner-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .logo-wall-item .partner-name {
                font-size: 0.72rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
            .advantages-grid {
                grid-template-columns: 1fr;
            }
            .case-study-grid {
                grid-template-columns: 1fr;
            }
            .case-card.span-2 {
                grid-column: span 1;
                flex-direction: column;
            }
            .case-card.span-2 .case-image {
                width: 100%;
            }
            .case-card.span-2 .case-image img {
                height: 180px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .process-timeline {
                flex-direction: column;
                align-items: center;
                gap: 18px;
            }
            .process-step {
                max-width: 280px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .cta-form-inline {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form-inline input {
                min-width: auto;
            }
            .section-padding {
                padding: 32px 0;
            }
            .section-heading h2 {
                font-size: 1.4rem;
            }
            .brand-intro-grid .intro-text h3 {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .logo-wall-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-auto-rows: 60px;
                gap: 5px;
            }
            .logo-wall-item {
                padding: 8px;
                gap: 2px;
            }
            .logo-wall-item .partner-logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .logo-wall-item .partner-name {
                font-size: 0.68rem;
            }
            .logo-wall-item .partner-tag {
                font-size: 0.62rem;
            }
            .partners-hero .hero-demo .demo-stat-row {
                flex-direction: column;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .partners-hero .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                justify-content: center;
                text-align: center;
            }
        }