/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: inherit;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        ::selection {
            background-color: var(--accent);
            color: var(--primary);
        }
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--border-light);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent-dark);
            border-radius: 10px;
        }

        /* Layout */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-pad-lg {
            padding: 100px 0;
        }

        /* Header / Nav */
        .site-header {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            min-width: 280px;
            transition: all var(--transition);
        }
        .header-search:hover,
        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.13);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .nav-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 10px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .nav-icon-grid .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-icon-grid .nav-item i {
            font-size: 1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .nav-icon-grid .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }
        .nav-icon-grid .nav-item:hover i {
            transform: scale(1.2);
        }
        .nav-icon-grid .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }
        .nav-icon-grid .nav-item.active i {
            color: var(--accent-warm);
        }
        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
        }
        .mobile-nav {
            display: none;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--primary);
            border-radius: 0 0 40px 40px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.32;
            z-index: 1;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.72) 0%, rgba(15, 23, 42, 0.85) 55%, rgba(15, 23, 42, 0.95) 100%);
            z-index: 2;
        }
        .hero-content {
            position: relative;
            z-index: 5;
            width: 100%;
            padding: 80px 0 100px;
        }
        .hero-brand-row {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(34, 211, 238, 0.14);
            border: 1px solid rgba(34, 211, 238, 0.3);
            border-radius: 40px;
            padding: 8px 20px;
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 28px;
            letter-spacing: 1px;
        }
        .hero-brand-row i {
            font-size: 1rem;
        }
        .hero-title {
            font-size: clamp(2.4rem, 5.5vw, 4.2rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 24px;
            max-width: 850px;
        }
        .hero-title .gradient-text {
            background: linear-gradient(135deg, var(--accent) 0%, #38bdf8 60%, var(--accent-warm) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin-bottom: 36px;
            line-height: 1.8;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 48px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(34, 211, 238, 0.45);
            color: var(--primary);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.1);
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            backdrop-filter: blur(8px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.45);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-warm {
            background: linear-gradient(135deg, var(--accent-warm) 0%, #fb923c 100%);
            color: var(--primary);
            box-shadow: var(--shadow-warm);
        }
        .btn-warm:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(245, 158, 11, 0.45);
            color: var(--primary);
        }
        .hero-data-row {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            align-items: center;
        }
        .hero-data-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .hero-data-item .data-num {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -1px;
        }
        .hero-data-item .data-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.3;
        }
        .hero-data-divider {
            width: 1px;
            height: 36px;
            background: rgba(255, 255, 255, 0.2);
        }

        /* Section common */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-dark);
            border: 1px solid rgba(34, 211, 238, 0.25);
            border-radius: 30px;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-desc {
            margin: 0 auto;
        }

        /* Cards */
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .card-pad {
            padding: 28px;
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.5px;
        }
        .badge-accent {
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-dark);
        }
        .badge-warm {
            background: rgba(245, 158, 11, 0.14);
            color: #b45309;
        }
        .badge-green {
            background: rgba(34, 197, 94, 0.12);
            color: #15803d;
        }
        .badge-red {
            background: rgba(239, 68, 68, 0.12);
            color: #dc2626;
        }

        /* News list */
        .news-list {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 28px;
        }
        .news-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            padding-left: 8px;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 6px;
        }
        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .news-summary {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 10px;
        }
        .news-btn {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .news-btn:hover {
            gap: 10px;
            color: var(--accent);
        }

        /* FAQ */
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(34, 211, 238, 0.35);
        }
        .faq-question {
            padding: 22px 28px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-question i {
            color: var(--accent-dark);
            font-size: 0.85rem;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 28px 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* Comparison table */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }
        .compare-table th {
            padding: 20px 24px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: left;
        }
        .compare-table th:first-child {
            width: 35%;
        }
        .compare-table td {
            padding: 16px 24px;
            border-top: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text-secondary);
        }
        .compare-table td:first-child {
            font-weight: 600;
            color: var(--text);
        }
        .compare-table tr:hover td {
            background: rgba(34, 211, 238, 0.04);
        }
        .compare-highlight {
            background: rgba(34, 211, 238, 0.08);
            font-weight: 700;
            color: var(--accent-dark);
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag {
            padding: 8px 18px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
        }
        .tag:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: rgba(34, 211, 238, 0.4);
            color: var(--accent-dark);
            transform: translateY(-2px);
        }

        /* Review bubbles */
        .review-bubble {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            position: relative;
            transition: all var(--transition);
        }
        .review-bubble:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .review-bubble::before {
            content: '\201C';
            font-size: 3rem;
            color: rgba(34, 211, 238, 0.25);
            position: absolute;
            top: 8px;
            left: 16px;
            font-weight: 900;
            pointer-events: none;
        }
        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .review-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .review-name {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text);
        }
        .review-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* KPI */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        .kpi-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .kpi-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .kpi-num {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--accent-dark);
            letter-spacing: -1px;
        }
        .kpi-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            margin-top: 6px;
        }

        /* Timeline */
        .timeline {
            position: relative;
            padding-left: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent) 0%, rgba(34, 211, 238, 0.2) 100%);
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 20px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 10px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.4);
        }
        .timeline-item .tl-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .timeline-item .tl-title {
            font-weight: 700;
            color: var(--text);
            font-size: 0.95rem;
            margin-bottom: 6px;
        }
        .timeline-item .tl-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* Calendar */
        .calendar-list {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .calendar-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .calendar-item:last-child {
            border-bottom: none;
        }
        .calendar-item:hover {
            background: rgba(34, 211, 238, 0.04);
        }
        .calendar-day {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .calendar-day .cd-num {
            font-size: 1.3rem;
            font-weight: 800;
            line-height: 1.2;
        }
        .calendar-day .cd-month {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.7);
        }
        .calendar-info .ci-title {
            font-weight: 700;
            color: var(--text);
            font-size: 0.92rem;
            margin-bottom: 2px;
        }
        .calendar-info .ci-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
            border-radius: 40px 40px 0 0;
            margin-top: 40px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1rem;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .section-pad {
                padding: 64px 0;
            }
            .section-pad-lg {
                padding: 80px 0;
            }
            .hero-section {
                min-height: 540px;
            }
            .header-search {
                min-width: 200px;
            }
            .nav-icon-grid .nav-item {
                padding: 6px 12px;
                font-size: 0.82rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section-pad {
                padding: 48px 0;
            }
            .section-pad-sm {
                padding: 36px 0;
            }
            .section-pad-lg {
                padding: 60px 0;
            }
            .hero-section {
                min-height: auto;
                padding: 60px 0 70px;
                border-radius: 0 0 24px 24px;
            }
            .hero-content {
                padding: 40px 0 60px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-data-row {
                gap: 20px;
            }
            .hero-data-divider {
                display: none;
            }
            .hero-data-item .data-num {
                font-size: 1.5rem;
            }
            .header-search {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-icon-grid {
                display: none;
            }
            .nav-icon-grid.mobile-open {
                display: flex;
                flex-wrap: wrap;
                gap: 6px;
                padding: 12px 0;
                border-top: 1px solid rgba(255, 255, 255, 0.07);
            }
            .nav-icon-grid.mobile-open .nav-item {
                flex: 1 1 auto;
                justify-content: center;
                font-size: 0.8rem;
                padding: 8px 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .compare-table th,
            .compare-table td {
                padding: 12px 14px;
                font-size: 0.8rem;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.88rem;
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .kpi-num {
                font-size: 1.8rem;
            }
            .calendar-item {
                padding: 12px 16px;
                gap: 12px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
                letter-spacing: -0.3px;
            }
            .hero-brand-row {
                font-size: 0.78rem;
                padding: 6px 14px;
            }
            .hero-cta-group {
                gap: 10px;
            }
            .btn {
                padding: 10px 18px;
                font-size: 0.82rem;
                white-space: normal;
                text-align: center;
                justify-content: center;
            }
            .kpi-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .kpi-card {
                padding: 16px;
            }
            .news-list {
                padding: 16px;
            }
            .news-item {
                padding: 14px 0;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
            }
            .faq-answer {
                padding: 0 18px 18px;
                font-size: 0.85rem;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .compare-table th,
            .compare-table td {
                padding: 8px 10px;
                font-size: 0.72rem;
            }
            .tag {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .review-bubble {
                padding: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 12px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: inherit;
        }
        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-pad-lg {
            padding: 100px 0;
        }
        .site-header {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            min-width: 280px;
            transition: all var(--transition);
        }
        .header-search:hover, .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.13);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .nav-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 10px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .nav-icon-grid .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-icon-grid .nav-item i {
            font-size: 1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .nav-icon-grid .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }
        .nav-icon-grid .nav-item:hover i {
            transform: scale(1.2);
        }
        .nav-icon-grid .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }
        .nav-icon-grid .nav-item.active i {
            color: var(--accent-warm);
        }
        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 8px 12px;
            color: #fff;
            font-size: 1.3rem;
        }
        .hero-gradient-bg {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 45%, #0c4a6e 100%);
            position: relative;
        }
        .hero-gradient-bg::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle at top right, rgba(34, 211, 238, 0.25) 0%, transparent 65%);
            pointer-events: none;
        }
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
        }
        .stat-badge:hover {
            background: rgba(34, 211, 238, 0.15);
            border-color: rgba(34, 211, 238, 0.4);
        }
        .stat-badge i {
            color: var(--accent);
            font-size: 1rem;
        }
        .btn-primary-gradient {
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition);
        }
        .btn-primary-gradient:hover {
            box-shadow: 0 12px 40px rgba(34, 211, 238, 0.5);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-outline-white {
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            transition: all var(--transition);
        }
        .btn-outline-white:hover {
            border-color: var(--accent);
            background: rgba(34, 211, 238, 0.1);
            color: #fff;
        }
        .card-glow {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
            border: 1px solid var(--border);
        }
        .card-glow:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .data-badge-cyan {
            background: rgba(34, 211, 238, 0.1);
            color: #0891b2;
            border: 1px solid rgba(34, 211, 238, 0.25);
        }
        .data-badge-warm {
            background: rgba(245, 158, 11, 0.1);
            color: #b45309;
            border: 1px solid rgba(245, 158, 11, 0.25);
        }
        .data-badge-green {
            background: rgba(34, 197, 94, 0.1);
            color: #16a34a;
            border: 1px solid rgba(34, 197, 94, 0.25);
        }
        .faq-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            overflow: hidden;
        }
        .faq-card:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: var(--shadow-md);
        }
        .faq-card summary {
            cursor: pointer;
            padding: 20px 24px;
            font-weight: 700;
            color: var(--text);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition);
        }
        .faq-card summary::-webkit-details-marker {
            display: none;
        }
        .faq-card summary .faq-icon {
            transition: transform var(--transition);
            color: var(--accent-dark);
            flex-shrink: 0;
        }
        .faq-card[open] summary .faq-icon {
            transform: rotate(180deg);
        }
        .faq-card .faq-body {
            padding: 0 24px 22px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
        }
        .metric-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .metric-card:hover {
            background: rgba(34, 211, 238, 0.1);
            border-color: rgba(34, 211, 238, 0.35);
            transform: translateY(-3px);
        }
        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .metric-card .metric-value i {
            color: var(--accent);
            font-size: 1.2rem;
            margin-right: 4px;
        }
        .metric-card .metric-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 6px;
        }
        .step-card {
            position: relative;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(34, 211, 238, 0.3);
            transform: translateY(-3px);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.2rem;
            border-radius: 14px;
            margin-bottom: 14px;
            box-shadow: var(--shadow-glow);
        }
        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 3.5rem;
            color: var(--accent);
            opacity: 0.25;
            position: absolute;
            top: 8px;
            left: 18px;
            font-family: Georgia, serif;
            line-height: 1;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(34, 211, 238, 0.3);
            transform: translateY(-3px);
        }
        .timeline-item {
            display: flex;
            gap: 18px;
            position: relative;
            padding-bottom: 28px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 19px;
            top: 36px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent), rgba(34, 211, 238, 0.15));
        }
        .timeline-item:last-child::before {
            display: none;
        }
        .timeline-dot {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: var(--shadow-glow);
            z-index: 1;
        }
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 12px;
            font-size: 1rem;
            color: var(--primary);
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: all var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .banner-cover {
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .banner-cover::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.75) 40%, rgba(12, 74, 110, 0.6) 100%);
        }
        .banner-cover > * {
            position: relative;
            z-index: 1;
        }
        .divider-glow {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(34, 211, 238, 0.4), transparent);
            border: none;
            margin: 0;
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .header-search {
                min-width: 200px;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 12px;
            }
            .header-search {
                order: 3;
                width: 100%;
                min-width: auto;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-icon-grid {
                display: none;
                flex-direction: column;
                padding: 12px 0;
                gap: 2px;
            }
            .nav-icon-grid.open {
                display: flex;
            }
            .nav-icon-grid .nav-item {
                padding: 10px 14px;
                border-radius: 10px;
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-lg {
                padding: 70px 0;
            }
            .container {
                padding: 0 16px;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .brand-logo .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .metric-card .metric-value {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 12px;
            }
            .metric-grid {
                grid-template-columns: 1fr 1fr;
            }
            .metric-card {
                padding: 14px 10px;
            }
            .metric-card .metric-value {
                font-size: 1.1rem;
            }
            .metric-card .metric-label {
                font-size: 0.7rem;
            }
            .hero-title {
                font-size: 1.6rem !important;
            }
            .step-card, .testimonial-card {
                padding: 18px 16px;
            }
        }

/* roulang page: category3 */
/* ==================== 设计系统 ==================== */
        :root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ==================== Layout ==================== */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-pad-lg {
            padding: 100px 0;
        }

        /* ==================== Header / Nav ==================== */
        .site-header {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            min-width: 260px;
            transition: all var(--transition);
        }
        .header-search:hover,
        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.13);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
            border: none;
            outline: none;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .nav-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 10px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .nav-icon-grid .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-icon-grid .nav-item i {
            font-size: 1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .nav-icon-grid .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }
        .nav-icon-grid .nav-item:hover i {
            transform: scale(1.2);
        }
        .nav-icon-grid .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }
        .nav-icon-grid .nav-item.active i {
            color: var(--accent-warm);
        }
        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            color: #fff;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(34, 211, 238, 0.2);
        }

        /* ==================== Hero ==================== */
        .hero-league {
            position: relative;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 45%, #0c4a6e 100%);
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-league::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 1;
        }
        .hero-league::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(15,23,42,0.82) 30%, rgba(8,145,178,0.55) 100%);
            z-index: 2;
        }
        .hero-league .hero-content {
            position: relative;
            z-index: 3;
            padding: 70px 0;
        }
        .flash-tag {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(245, 158, 11, 0.18);
            border: 1px solid rgba(245, 158, 11, 0.4);
            color: #fbbf24;
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.88rem;
            font-weight: 600;
        }
        .countdown-box {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(15, 23, 42, 0.75);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            padding: 6px 14px;
            font-family: 'Courier New', monospace;
            font-weight: 700;
            color: #fbbf24;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            line-height: 1.2;
            margin: 18px 0 12px;
        }
        .hero-desc {
            font-size: 1.14rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            line-height: 1.8;
        }
        .hero-highlight-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            color: #fff;
        }

        /* ==================== Buttons ==================== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
            line-height: 1.3;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            box-shadow: 0 12px 36px rgba(34, 211, 238, 0.45);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-warm {
            background: linear-gradient(135deg, var(--accent-warm) 0%, #f97316 100%);
            color: #fff;
            box-shadow: var(--shadow-warm);
        }
        .btn-warm:hover {
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* ==================== Cards ==================== */
        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .card-glow {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }
        .card-glow:hover {
            box-shadow: var(--shadow-glow);
            border-color: rgba(34, 211, 238, 0.35);
            transform: translateY(-4px);
        }
        .stat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.12) 0%, rgba(14, 165, 233, 0.08) 100%);
            border: 1px solid rgba(34, 211, 238, 0.25);
            border-radius: 30px;
            padding: 4px 14px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent-dark);
        }
        .stat-badge-warm {
            background: linear-gradient(135deg, rgba(245, 158, 11, 0.12) 0%, rgba(249, 115, 22, 0.08) 100%);
            border-color: rgba(245, 158, 11, 0.25);
            color: #b45309;
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 700px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent-dark);
            margin-bottom: 14px;
        }
        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        /* ==================== Lists / FAQ ==================== */
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            color: var(--text-secondary);
            font-size: 0.98rem;
            line-height: 1.65;
        }
        .feature-list li i {
            color: var(--accent);
            font-size: 1.05rem;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition);
            cursor: pointer;
            margin-bottom: 12px;
        }
        .faq-item:hover {
            border-color: rgba(34, 211, 238, 0.35);
            box-shadow: var(--shadow-sm);
        }
        .faq-item summary {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.02rem;
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: var(--accent);
            font-size: 0.9rem;
            transition: transform var(--transition);
        }
        .faq-item[open] summary i {
            transform: rotate(90deg);
        }
        .faq-item p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-top: 10px;
            padding-left: 24px;
        }

        /* ==================== Footer ==================== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 24px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 10px;
            font-size: 1rem;
            color: var(--primary);
        }
        .site-footer .footer-desc {
            line-height: 1.75;
            max-width: 360px;
            margin-bottom: 12px;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding-top: 20px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ==================== 本页特有板块 ==================== */
        .league-hero-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            color: #fff;
            transition: all var(--transition);
        }
        .league-hero-card:hover {
            background: rgba(255, 255, 255, 0.09);
            border-color: rgba(34, 211, 238, 0.35);
            transform: translateY(-3px);
        }
        .league-hero-card .league-logo {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            box-shadow: var(--shadow-md);
        }
        .pain-point-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 26px 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .pain-point-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #ef4444, #f97316);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .pain-point-card:hover::after {
            opacity: 1;
        }
        .pain-point-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .solution-card {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .solution-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .solution-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .data-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(34, 211, 238, 0.12);
            border-radius: 40px;
            padding: 5px 14px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-dark);
            margin: 4px;
            white-space: nowrap;
        }
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.15rem;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow);
        }
        .cta-band {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0c4a6e 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -50%;
            right: -15%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        /* ==================== 响应式 ==================== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.4rem;
            }
            .nav-icon-grid {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                padding-bottom: 10px;
            }
            .nav-icon-grid::-webkit-scrollbar {
                display: none;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-lg {
                padding: 70px 0;
            }
            .section-pad-sm {
                padding: 40px 0;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-league {
                min-height: 400px;
            }
            .header-search {
                min-width: 140px;
                flex: 1;
            }
            .header-top {
                gap: 10px;
            }
            .brand-logo {
                font-size: 1.35rem;
            }
            .brand-logo .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-band {
                padding: 36px 22px;
                border-radius: var(--radius-lg);
            }
            .section-title {
                font-size: 1.7rem;
            }
            .nav-icon-grid .nav-item {
                padding: 7px 12px;
                font-size: 0.82rem;
                gap: 6px;
            }
            .nav-icon-grid .nav-item i {
                font-size: 0.88rem;
            }
            .hero-highlight-card {
                padding: 22px 20px;
            }
            .league-hero-card {
                padding: 22px 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-league {
                min-height: 360px;
            }
            .header-search {
                min-width: 100%;
                order: 3;
                flex-basis: 100%;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .btn-lg {
                padding: 13px 24px;
                font-size: 0.95rem;
            }
            .pain-point-card,
            .solution-card,
            .testimonial-card,
            .league-hero-card {
                padding: 20px 18px;
            }
            .faq-item {
                padding: 16px 18px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        /* roulang page: category1 - football-score */
        :root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Layout */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-pad {
            padding: 80px 0;
        }

        .section-pad-sm {
            padding: 56px 0;
        }

        .section-pad-lg {
            padding: 100px 0;
        }

        /* Header / Nav */
        .site-header {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            min-width: 240px;
            transition: all var(--transition);
        }

        .header-search:hover,
        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.13);
        }

        .header-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
            min-width: 0;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            pointer-events: none;
            flex-shrink: 0;
        }

        .nav-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 10px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .nav-icon-grid .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-icon-grid .nav-item i {
            font-size: 1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }

        .nav-icon-grid .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }

        .nav-icon-grid .nav-item:hover i {
            transform: scale(1.2);
        }

        .nav-icon-grid .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }

        .nav-icon-grid .nav-item.active i {
            color: var(--accent-warm);
        }

        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 8px 12px;
            color: #fff;
            font-size: 1.2rem;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .mobile-toggle:hover {
            background: rgba(34, 211, 238, 0.2);
        }

        /* Hero section */
        .hero-category {
            background: linear-gradient(180deg, #0f172a 0%, #0f172a 45%, #1e293b 100%);
            position: relative;
            overflow: hidden;
            padding: 72px 0 80px;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-category .container {
            position: relative;
            z-index: 1;
        }

        .hero-category-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 48px;
            align-items: center;
        }

        .hero-category-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(34, 211, 238, 0.15);
            border: 1px solid rgba(34, 211, 238, 0.3);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 40px;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }

        .hero-category-title {
            font-size: clamp(2rem, 4.5vw, 3.25rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }

        .hero-category-title .accent-text {
            color: var(--accent);
        }

        .hero-category-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.72);
            max-width: 540px;
            line-height: 1.85;
            margin-bottom: 32px;
        }

        .hero-category-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-stat-item .stat-num {
            font-size: 1.65rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .hero-category-board {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 24px 24px 20px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: var(--shadow-lg);
        }

        .board-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .board-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.85);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .board-title i {
            color: var(--accent-warm);
        }

        .board-live-tag {
            font-size: 0.7rem;
            font-weight: 700;
            background: #ef4444;
            color: #fff;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            animation: pulse-live 2s ease-in-out infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }

        .board-match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            cursor: default;
        }

        .board-match-row:hover {
            background: rgba(34, 211, 238, 0.08);
        }

        .board-match-teams {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .board-team-name {
            font-size: 0.82rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
        }

        .board-match-meta {
            font-size: 0.68rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .board-match-score {
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            background: rgba(34, 211, 238, 0.18);
            border-radius: 8px;
            padding: 4px 14px;
            min-width: 56px;
            text-align: center;
            letter-spacing: 1px;
        }

        .board-match-status {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--accent-warm);
            white-space: nowrap;
            min-width: 38px;
            text-align: right;
        }

        .board-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .board-footer-text {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .board-footer-btn {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color var(--transition);
        }

        .board-footer-btn:hover {
            color: #fff;
        }

        /* Buttons */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 32px;
            border-radius: 40px;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(34, 211, 238, 0.45);
            color: var(--primary);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 13px 28px;
            border-radius: 40px;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 13px 30px;
            border-radius: 40px;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-outline:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .btn-warm {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent-warm) 0%, #f97316 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 32px;
            border-radius: 40px;
            box-shadow: var(--shadow-warm);
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .btn-warm:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.45);
            color: #fff;
        }

        /* Section titles */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent-dark);
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent-dark);
            border-radius: 2px;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.25rem);
            font-weight: 800;
            line-height: 1.35;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: var(--text);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.85;
            margin-bottom: 36px;
        }

        /* Cards */
        .card-glow {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            padding: 32px 28px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .card-glow::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent) 0%, #0ea5e9 100%);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .card-glow:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.3);
        }

        .card-glow:hover::before {
            opacity: 1;
        }

        .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 14px;
            font-size: 1.3rem;
            margin-bottom: 16px;
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-dark);
            transition: all var(--transition);
        }

        .card-glow:hover .card-icon {
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .card-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Badge */
        .badge-count {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 36px;
            height: 36px;
            padding: 0 10px;
            border-radius: 10px;
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-dark);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .badge-warm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 158, 11, 0.12);
            color: #d97706;
            font-weight: 600;
            font-size: 0.75rem;
            padding: 4px 14px;
            border-radius: 20px;
        }

        .badge-green {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(34, 197, 94, 0.12);
            color: #16a34a;
            font-weight: 600;
            font-size: 0.75rem;
            padding: 4px 14px;
            border-radius: 20px;
        }

        /* Data badge */
        .data-badge {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .data-badge-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-dark);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .data-badge-info {
            display: flex;
            flex-direction: column;
        }

        .data-badge-num {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

        .data-badge-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* List */
        .check-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            padding: 0;
            margin: 0;
            list-style: none;
        }

        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .check-list li i {
            color: var(--accent-dark);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(34, 211, 238, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
            transition: all var(--transition);
            gap: 16px;
        }

        .faq-question i {
            color: var(--accent-dark);
            font-size: 0.9rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        /* CTA */
        .cta-band {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-band::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

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

        .cta-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 520px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 12px;
            color: var(--primary);
            font-size: 1rem;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* testimonial */
        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }

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

        .testimonial-quote {
            font-size: 2rem;
            color: var(--accent);
            opacity: 0.4;
            line-height: 1;
            margin-bottom: 12px;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
        }

        .testimonial-role {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Image frame */
        .img-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .img-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Utility for dark sections */
        .bg-dark-section {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.8);
        }

        .bg-dark-section .section-title {
            color: #fff;
        }

        .bg-dark-section .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

        .bg-dark-section .section-label {
            color: var(--accent);
        }

        .bg-dark-section .section-label::before {
            background: var(--accent);
        }

        .bg-dark-section .card-glow {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .bg-dark-section .card-glow:hover {
            border-color: rgba(34, 211, 238, 0.4);
            background: rgba(255, 255, 255, 0.08);
        }

        .bg-dark-section .card-title {
            color: #fff;
        }

        .bg-dark-section .card-text {
            color: rgba(255, 255, 255, 0.6);
        }

        .bg-dark-section .data-badge {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.1);
        }

        .bg-dark-section .data-badge-num {
            color: #fff;
        }

        .bg-dark-section .data-badge-label {
            color: rgba(255, 255, 255, 0.5);
        }

        .bg-dark-section .check-list li {
            color: rgba(255, 255, 255, 0.6);
        }

        .bg-dark-section .check-list li i {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-category-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-category-desc {
                max-width: 100%;
            }

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

        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }

            .section-pad-lg {
                padding: 64px 0;
            }

            .header-search {
                display: none;
            }

            .mobile-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .nav-icon-grid {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 10px;
                gap: 2px;
            }

            .nav-icon-grid .nav-item {
                flex-shrink: 0;
                padding: 6px 12px;
                font-size: 0.8rem;
            }

            .hero-category {
                padding: 48px 0 56px;
            }

            .hero-category-stats {
                gap: 20px;
            }

            .cta-band {
                padding: 40px 24px;
                border-radius: var(--radius-lg);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .brand-logo {
                font-size: 1.3rem;
            }

            .brand-logo .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 1rem;
                border-radius: 10px;
            }

            .hero-category-title {
                font-size: 1.8rem;
            }

            .hero-category-desc {
                font-size: 0.95rem;
            }

            .hero-category-board {
                padding: 18px 14px;
            }

            .board-match-row {
                padding: 10px 6px;
            }

            .board-match-score {
                font-size: 1rem;
                padding: 3px 10px;
                min-width: 44px;
            }

            .board-team-name {
                font-size: 0.72rem;
            }

            .btn-primary,
            .btn-secondary,
            .btn-outline,
            .btn-warm {
                padding: 12px 22px;
                font-size: 0.85rem;
                white-space: nowrap;
            }

            .card-glow {
                padding: 24px 18px;
            }

            .data-badge {
                padding: 12px 14px;
            }

            .data-badge-num {
                font-size: 1.1rem;
            }

            .faq-question {
                padding: 14px 16px;
                font-size: 0.88rem;
            }

            .faq-answer {
                font-size: 0.85rem;
            }

            .cta-title {
                font-size: 1.4rem;
            }

            .cta-actions {
                flex-direction: column;
                align-items: center;
            }

            .testimonial-card {
                padding: 20px 16px;
            }
        }

@media (max-width: 768px) {
            .nav-icon-grid {
                display: none;
                flex-direction: column;
                align-items: stretch;
            }
            .nav-icon-grid.mobile-show {
                display: flex;
            }
            .mobile-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 44px;
                height: 44px;
                background: rgba(255,255,255,0.08);
                border-radius: 12px;
                color: #fff;
                font-size: 1.3rem;
                transition: background var(--transition);
            }
            .mobile-toggle:hover {
                background: rgba(34,211,238,0.2);
            }
        }

/* roulang page: category4 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }

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

        button, input, select, textarea {
            font-family: var(--font-sans);
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button { cursor: pointer; }
        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad { padding: 80px 0; }
        .section-pad-sm { padding: 56px 0; }
        .section-pad-lg { padding: 100px 0; }

        /* Header */
        .site-header {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            min-width: 260px;
            flex: 1;
            max-width: 360px;
            transition: all var(--transition);
        }
        .header-search:hover, .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.13);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
            min-width: 0;
        }
        .header-search input::placeholder { color: rgba(255, 255, 255, 0.4); }
        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            pointer-events: none;
            flex-shrink: 0;
        }

        /* Nav Icon Grid */
        .nav-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 10px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .nav-icon-grid .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-icon-grid .nav-item i {
            font-size: 1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .nav-icon-grid .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }
        .nav-icon-grid .nav-item:hover i { transform: scale(1.2); }
        .nav-icon-grid .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }
        .nav-icon-grid .nav-item.active i { color: var(--accent-warm); }

        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 10px;
            padding: 8px 12px;
            color: #fff;
            font-size: 1.1rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            box-shadow: var(--shadow-glow);
            border: 1px solid rgba(34, 211, 238, 0.3);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #0ea5e9 0%, var(--accent) 100%);
            box-shadow: 0 12px 36px rgba(34, 211, 238, 0.45);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-dark {
            background: var(--primary);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .btn-dark:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-warm {
            background: linear-gradient(135deg, var(--accent-warm) 0%, #fbbf24 100%);
            color: var(--primary);
            box-shadow: var(--shadow-warm);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .btn-warm:hover {
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.45);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.5);
            color: #fff;
            background: transparent;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* Badge */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .badge-accent {
            background: rgba(34, 211, 238, 0.15);
            color: var(--accent-dark);
            border: 1px solid rgba(34, 211, 238, 0.3);
        }
        .badge-warm {
            background: rgba(245, 158, 11, 0.15);
            color: #b45309;
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .badge-dark {
            background: rgba(15, 23, 42, 0.8);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* Data Badge / Stat */
        .data-badge {
            display: inline-flex;
            align-items: baseline;
            gap: 6px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 10px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .data-badge:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .data-badge .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-dark);
            letter-spacing: -0.5px;
        }
        .data-badge .label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Hero */
        .hero-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #0c4a6e 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 0 60px;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 48px;
            box-shadow: var(--shadow-lg);
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .hero-card h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero-card h1 .accent-text {
            background: linear-gradient(135deg, var(--accent) 0%, #7dd3fc 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            max-width: 520px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }
        .countdown-panel {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-lg);
            padding: 28px;
            text-align: center;
            backdrop-filter: blur(8px);
        }
        .countdown-panel .live-badge {
            display: inline-block;
            background: #ef4444;
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 40px;
            letter-spacing: 1px;
            margin-bottom: 16px;
            animation: pulse-badge 2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.05); }
        }
        .countdown-display {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin: 18px 0;
        }
        .countdown-item {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-md);
            padding: 12px 18px;
            min-width: 68px;
        }
        .countdown-item .count-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .countdown-item .count-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
            margin-top: 4px;
        }
        .subscribe-box {
            display: flex;
            gap: 8px;
            margin-top: 16px;
        }
        .subscribe-box input {
            flex: 1;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 40px;
            padding: 10px 18px;
            color: #fff;
            font-size: 0.9rem;
            min-width: 0;
        }
        .subscribe-box input::placeholder { color: rgba(255, 255, 255, 0.5); }
        .subscribe-box input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.18);
        }
        .subscribe-box button {
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            font-weight: 700;
            padding: 10px 22px;
            border-radius: 40px;
            font-size: 0.9rem;
            white-space: nowrap;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition);
        }
        .subscribe-box button:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(34, 211, 238, 0.45);
        }
        .subscribe-box button:active { transform: translateY(0); }

        /* Sections */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 12px;
            color: var(--text);
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            max-width: 680px;
            line-height: 1.8;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header .badge {
            margin-bottom: 12px;
        }

        /* Cards */
        .card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .card-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .card-body {
            padding: 24px;
        }
        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card-body p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        /* Deep content */
        .deep-content {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 48px;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .deep-content .deep-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .deep-content .deep-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }
        .deep-content h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
        }
        .deep-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 14px;
        }

        /* Testimonial */
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--accent);
            opacity: 0.4;
            margin-bottom: 12px;
        }
        .testimonial-card p {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), #0ea5e9);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .testimonial-card .author-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text);
        }
        .testimonial-card .author-title {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ */
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(34, 211, 238, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            gap: 16px;
            user-select: none;
        }
        .faq-question .faq-toggle {
            font-size: 1.1rem;
            color: var(--accent-dark);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-toggle {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #0c4a6e 100%);
            border-radius: var(--radius-xl);
            overflow: hidden;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            padding: 60px 24px;
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), #0ea5e9);
            border-radius: 10px;
            font-size: 1rem;
            color: var(--primary);
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-card {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 36px;
            }
            .hero-card h1 { font-size: 2.2rem; }
            .deep-content {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 32px;
            }
            .deep-content .deep-img img { min-height: 240px; }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-wrap: nowrap;
                gap: 12px;
            }
            .header-search {
                min-width: 0;
                max-width: 100%;
                flex: 1;
            }
            .brand-logo { font-size: 1.2rem; }
            .brand-logo .logo-icon { width: 36px; height: 36px; font-size: 1rem; }
            .nav-icon-grid {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
                padding-bottom: 10px;
                gap: 2px;
            }
            .nav-icon-grid::-webkit-scrollbar { display: none; }
            .nav-icon-grid .nav-item {
                padding: 6px 12px;
                font-size: 0.8rem;
                gap: 5px;
                flex-shrink: 0;
            }
            .nav-icon-grid .nav-item i { font-size: 0.85rem; }
            .hero-card { padding: 24px; border-radius: var(--radius-lg); }
            .hero-card h1 { font-size: 1.7rem; }
            .hero-sub { font-size: 0.95rem; }
            .countdown-panel { padding: 20px; }
            .countdown-display { gap: 6px; }
            .countdown-item { padding: 8px 12px; min-width: 52px; }
            .countdown-item .count-num { font-size: 1.6rem; }
            .section-pad { padding: 56px 0; }
            .section-title { font-size: 1.5rem; }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .deep-content { padding: 24px; }
            .subscribe-box { flex-direction: column; }
            .subscribe-box button { width: 100%; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-search { display: none; }
            .hero-card h1 { font-size: 1.4rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; justify-content: center; }
            .section-title { font-size: 1.3rem; }
            .data-badge .num { font-size: 1.4rem; }
            .card-img { height: 180px; }
        }

/* roulang page: category5 */
/* ========== roulang design system :root ========== */
        :root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        /* ========== base reset ========== */
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
            padding: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: inherit;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        /* ========== layout container ========== */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-pad-lg {
            padding: 100px 0;
        }

        /* ========== header / nav ========== */
        .site-header {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            min-width: 280px;
            transition: all var(--transition);
        }
        .header-search:hover,
        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.13);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
            min-width: 0;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .nav-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 10px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .nav-icon-grid .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-icon-grid .nav-item i {
            font-size: 1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .nav-icon-grid .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }
        .nav-icon-grid .nav-item:hover i {
            transform: scale(1.2);
        }
        .nav-icon-grid .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }
        .nav-icon-grid .nav-item.active i {
            color: var(--accent-warm);
        }
        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.25rem;
            transition: all var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(34, 211, 238, 0.2);
        }

        /* ========== buttons ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            line-height: 1.4;
            text-align: center;
            border: 2px solid transparent;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            box-shadow: var(--shadow-glow);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(34, 211, 238, 0.42);
            color: var(--primary);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-glow);
        }
        .btn-outline-light {
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-ghost {
            border-color: var(--border);
            color: var(--text-secondary);
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }
        .btn-ghost:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== badges ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        .badge-accent {
            background: rgba(34, 211, 238, 0.14);
            color: var(--accent-dark);
            border: 1px solid rgba(34, 211, 238, 0.3);
        }
        .badge-warm {
            background: rgba(245, 158, 11, 0.14);
            color: #b45309;
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .badge-dark {
            background: rgba(15, 23, 42, 0.06);
            color: var(--primary-light);
            border: 1px solid var(--border);
        }

        /* ========== data badge (hero KPIs) ========== */
        .data-badge {
            display: inline-flex;
            align-items: baseline;
            gap: 8px;
            padding: 10px 20px;
            background: var(--surface);
            border-radius: 40px;
            box-shadow: var(--shadow-md);
            font-weight: 700;
        }
        .data-badge .data-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-dark);
            letter-spacing: -0.03em;
            line-height: 1;
        }
        .data-badge .data-label {
            font-size: 0.82rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== hero skewed layout ========== */
        .hero-ps {
            background: linear-gradient(165deg, #0f172a 0%, #0c1f3a 35%, #0b2e4a 65%, #083344 100%);
            position: relative;
            overflow: hidden;
            min-height: 680px;
            display: flex;
            align-items: center;
            padding: 70px 0 80px;
        }
        .hero-ps::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.22) 0%, transparent 68%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-ps::after {
            content: '';
            position: absolute;
            bottom: -180px;
            left: -120px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.14) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
        .hero-content {
            color: #fff;
            padding-right: 12px;
        }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin: 18px 0 16px;
        }
        .hero-content .hero-sub {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 460px;
        }
        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-kpi-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
        }
        .hero-visual .visual-card {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transform: rotate(-2deg) translateY(14px);
            transition: transform 0.5s ease;
            border: 1px solid rgba(255, 255, 255, 0.15);
            position: relative;
            z-index: 2;
        }
        .hero-visual .visual-card img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .hero-visual .visual-card::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.55) 100%);
            pointer-events: none;
        }
        .hero-visual .visual-tag {
            position: absolute;
            bottom: 24px;
            left: 24px;
            z-index: 5;
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            background: rgba(15, 23, 42, 0.72);
            backdrop-filter: blur(10px);
            padding: 10px 18px;
            border-radius: 40px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-visual .visual-tag i {
            color: var(--accent);
        }
        .hero-visual::before {
            content: '';
            position: absolute;
            top: -20px;
            right: -24px;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.35), rgba(245, 158, 11, 0.25));
            border-radius: var(--radius-xl);
            z-index: 1;
            transform: rotate(3deg);
        }

        /* ========== generic cards ========== */
        .card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-pad {
            padding: 28px;
        }

        /* ========== section heading ========== */
        .section-head {
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text);
            margin: 12px 0 10px;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 640px;
            line-height: 1.8;
        }

        /* ========== feature icon ========== */
        .feature-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            font-size: 1.3rem;
            background: rgba(34, 211, 238, 0.12);
            color: var(--accent-dark);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        /* ========== stat blocks ========== */
        .stat-block {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-md);
            transition: all var(--transition);
        }
        .stat-block:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .stat-block .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-warm) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-block .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 8px;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 14px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(34, 211, 238, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            color: var(--text);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question .fa-chevron-down {
            transition: transform 0.3s;
            color: var(--text-muted);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--accent-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        /* ========== CTA ========== */
        .cta-band {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0b2e4a 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.3) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-band::after {
            content: '';
            position: absolute;
            bottom: -100px;
            right: -60px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.22) 0%, transparent 70%);
            border-radius: 50%;
        }
        .cta-band .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }
        .cta-band h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }
        .cta-band p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 1rem;
            max-width: 480px;
            line-height: 1.8;
        }

        /* ========== footer ========== */
        .site-footer {
            background: #0b1120;
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 12px;
            font-size: 1rem;
            color: var(--primary);
        }
        .footer-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ========== mobile responsiveness ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 50px;
            }
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .hero-visual .visual-card {
                transform: rotate(0deg) translateY(0);
                max-width: 100%;
            }
            .hero-visual .visual-card img {
                height: 300px;
            }
            .hero-visual::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-icon-grid {
                gap: 2px;
            }
            .nav-icon-grid .nav-item {
                padding: 7px 12px;
                font-size: 0.82rem;
                gap: 5px;
            }
        }
        @media (max-width: 768px) {
            .section-pad,
            .section-pad-lg {
                padding: 56px 0;
            }
            .section-pad-sm {
                padding: 40px 0;
            }
            .container {
                padding: 0 16px;
            }
            .header-top {
                padding: 12px 0;
            }
            .header-search {
                min-width: unset;
                flex: 1;
                max-width: 200px;
                padding: 7px 14px;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .brand-logo .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .nav-icon-grid {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                gap: 4px;
                padding: 10px 0 12px;
                scrollbar-width: none;
            }
            .nav-icon-grid::-webkit-scrollbar {
                display: none;
            }
            .nav-icon-grid .nav-item {
                flex-shrink: 0;
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .hero-ps {
                min-height: auto;
                padding: 48px 0 56px;
            }
            .hero-content h1 {
                font-size: 2rem;
                margin: 14px 0 12px;
            }
            .hero-content .hero-sub {
                font-size: 0.95rem;
                margin-bottom: 20px;
            }
            .hero-visual .visual-card img {
                height: 220px;
            }
            .hero-kpi-row {
                gap: 8px;
            }
            .data-badge {
                padding: 7px 16px;
            }
            .data-badge .data-num {
                font-size: 1.2rem;
            }
            .data-badge .data-label {
                font-size: 0.72rem;
            }
            .btn {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .cta-band {
                padding: 40px 24px;
            }
            .cta-band h2 {
                font-size: 1.5rem;
            }
            .section-head h2 {
                font-size: 1.6rem;
            }
            .stat-block {
                padding: 28px 20px;
            }
            .stat-block .stat-num {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .header-search {
                display: none;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-visual .visual-card {
                border-radius: var(--radius-lg);
            }
            .hero-visual .visual-card img {
                height: 180px;
            }
            .hero-visual .visual-tag {
                bottom: 16px;
                left: 14px;
                font-size: 0.75rem;
                padding: 7px 12px;
            }
            .section-head h2 {
                font-size: 1.4rem;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.9rem;
            }
            .faq-answer-inner {
                padding: 0 18px 16px;
            }
            .cta-band {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-band h2 {
                font-size: 1.3rem;
            }
            .card-pad {
                padding: 20px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), opacity var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: inherit;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 56px 0;
        }
        .section-pad-lg {
            padding: 100px 0;
        }
        /* Header / Nav */
        .site-header {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: var(--shadow-glow);
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            min-width: 280px;
            transition: all var(--transition);
        }
        .header-search:hover,
        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.13);
        }
        .header-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
            min-width: 0;
        }
        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            pointer-events: none;
        }
        .nav-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 10px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }
        .nav-icon-grid .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-icon-grid .nav-item i {
            font-size: 1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }
        .nav-icon-grid .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }
        .nav-icon-grid .nav-item:hover i {
            transform: scale(1.2);
        }
        .nav-icon-grid .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }
        .nav-icon-grid .nav-item.active i {
            color: var(--accent-warm);
        }
        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            padding: 8px 12px;
            color: #fff;
            font-size: 1.2rem;
            transition: background var(--transition);
            flex-shrink: 0;
        }
        .mobile-toggle:hover {
            background: rgba(34, 211, 238, 0.15);
        }
        .mobile-nav {
            display: none;
            padding: 8px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            flex-wrap: wrap;
            gap: 4px;
        }
        .mobile-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .mobile-nav .nav-item i {
            font-size: 0.9rem;
            color: var(--accent);
        }
        .mobile-nav .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }
        .mobile-nav .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }
        /* Hero */
        .hero-live {
            position: relative;
            overflow: hidden;
            background: linear-gradient(155deg, #0f172a 0%, #0c4a6e 45%, #0f172a 100%);
            color: #fff;
        }
        .hero-live::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            pointer-events: none;
        }
        .hero-live::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.4) 0%, rgba(15, 23, 42, 0.92) 100%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            padding: 72px 0 60px;
        }
        .flash-bar {
            background: linear-gradient(90deg, #f59e0b 0%, #f97316 50%, #ef4444 100%);
            border-radius: 60px;
            padding: 10px 22px;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-warm);
            animation: pulseFlash 2s ease-in-out infinite;
        }
        @keyframes pulseFlash {
            0%, 100% { box-shadow: 0 8px 30px rgba(245, 158, 11, 0.28); transform: scale(1); }
            50% { box-shadow: 0 8px 42px rgba(245, 158, 11, 0.55); transform: scale(1.03); }
        }
        .flash-bar i {
            font-size: 1.1rem;
        }
        .hero-title {
            font-size: clamp(2.2rem, 4.5vw, 3.6rem);
            font-weight: 900;
            line-height: 1.18;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
            max-width: 800px;
        }
        .hero-title span {
            color: var(--accent);
            position: relative;
        }
        .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.78);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 40px;
        }
        .btn-primary-live {
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            padding: 14px 32px;
            border-radius: 60px;
            font-weight: 700;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-glow);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary-live:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(34, 211, 238, 0.45);
            color: var(--primary);
        }
        .btn-ghost-live {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 14px 28px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-ghost-live:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-match-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px 28px;
            max-width: 820px;
            transition: all var(--transition);
        }
        .hero-match-card:hover {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.09);
        }
        .match-teams {
            display: flex;
            align-items: center;
            gap: 18px;
            flex: 1;
            min-width: 220px;
        }
        .match-team {
            font-size: 1.1rem;
            font-weight: 700;
        }
        .match-score {
            font-size: 2rem;
            font-weight: 900;
            color: var(--accent);
            letter-spacing: 2px;
        }
        .match-badge-live {
            background: #ef4444;
            color: #fff;
            padding: 4px 12px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            animation: liveBlink 1.6s ease-in-out infinite;
        }
        @keyframes liveBlink {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.5; }
        }
        .match-stats-mini {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.72);
        }
        .match-stats-mini .stat-dot {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .match-stats-mini i {
            color: var(--accent);
            font-size: 0.7rem;
        }
        .hero-countdown {
            display: flex;
            gap: 12px;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 60px;
            padding: 10px 20px;
            font-weight: 700;
            white-space: nowrap;
        }
        .hero-countdown .cd-num {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--accent-warm);
            min-width: 36px;
            text-align: center;
        }
        .hero-countdown .cd-label {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-right: 4px;
        }
        /* Section titles */
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 12px;
        }
        .section-eyebrow i {
            font-size: 0.8rem;
        }
        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            letter-spacing: -0.3px;
            line-height: 1.3;
            margin-bottom: 16px;
            color: var(--text);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.85;
        }
        /* Cards */
        .card-live {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .card-live:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(34, 211, 238, 0.4);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(34, 211, 238, 0.12) 0%, rgba(14, 165, 233, 0.12) 100%);
            border-radius: 16px;
            font-size: 1.35rem;
            color: var(--accent-dark);
            margin-bottom: 16px;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .card-text {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .badge-data {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(34, 211, 238, 0.1);
            color: var(--accent-dark);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-warm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        /* Data showcase */
        .data-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-stat-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .data-stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(34, 211, 238, 0.4);
        }
        .data-stat-num {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--accent-dark);
            line-height: 1.1;
            letter-spacing: -1px;
            margin-bottom: 6px;
        }
        .data-stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        /* Process */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .process-step {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border);
            position: relative;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(34, 211, 238, 0.4);
        }
        .process-step::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 50%;
            color: var(--primary);
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        /* Testimonial */
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-quote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
            position: relative;
            padding-left: 18px;
            border-left: 3px solid var(--accent);
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-weight: 700;
            font-size: 0.95rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(34, 211, 238, 0.4);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--accent-dark);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--accent-dark);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #0f172a 0%, #0c4a6e 60%, #0f172a 100%);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .cta-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 800;
            margin-bottom: 10px;
        }
        .cta-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            max-width: 480px;
        }
        .btn-cta-live {
            background: linear-gradient(135deg, var(--accent-warm) 0%, #f97316 100%);
            color: var(--primary);
            padding: 16px 36px;
            border-radius: 60px;
            font-weight: 800;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-warm);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-cta-live:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 44px rgba(245, 158, 11, 0.5);
            color: var(--primary);
        }
        /* Brand intro */
        .brand-intro-block {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: center;
            box-shadow: var(--shadow-sm);
        }
        .brand-intro-img {
            width: 120px;
            height: 120px;
            border-radius: 24px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .brand-intro-text {
            flex: 1;
            min-width: 260px;
        }
        .brand-intro-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.85;
        }
        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.72);
            padding: 60px 0 32px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 12px;
            font-size: 1rem;
            color: var(--primary);
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .data-grid-4,
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .hero-match-card {
                max-width: 100%;
            }
        }
        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .nav-icon-grid {
                display: none;
            }
            .mobile-nav {
                display: flex;
            }
            .mobile-nav.open {
                display: flex;
            }
            .hero-inner {
                padding: 48px 0 40px;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-lg {
                padding: 68px 0;
            }
            .cta-section {
                padding: 40px 28px;
            }
            .cta-inner {
                flex-direction: column;
                text-align: center;
            }
            .cta-desc {
                margin: 0 auto;
            }
            .hero-match-card {
                padding: 20px;
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-countdown {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .data-grid-4,
            .process-steps {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .brand-intro-block {
                flex-direction: column;
                text-align: center;
                padding: 28px 20px;
            }
            .brand-intro-img {
                margin: 0 auto;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary-live,
            .btn-ghost-live {
                justify-content: center;
                width: 100%;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .match-teams {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .btn-cta-live {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #22d3ee;
            --accent-dark: #0891b2;
            --accent-warm: #f59e0b;
            --bg: #f8fafc;
            --surface: #ffffff;
            --text: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.1);
            --shadow-lg: 0 20px 48px rgba(15, 23, 42, 0.16);
            --shadow-glow: 0 8px 30px rgba(34, 211, 238, 0.32);
            --shadow-warm: 0 8px 30px rgba(245, 158, 11, 0.28);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--accent-dark);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-sans);
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-pad {
            padding: 80px 0;
        }

        .section-pad-sm {
            padding: 56px 0;
        }

        .section-pad-lg {
            padding: 100px 0;
        }

        /* Header / Nav */
        .site-header {
            background: rgba(15, 23, 42, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.65rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            flex-shrink: 0;
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 14px;
            font-size: 1.3rem;
            color: var(--primary);
            box-shadow: var(--shadow-glow);
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            min-width: 280px;
            transition: all var(--transition);
            flex: 1;
            max-width: 420px;
        }

        .header-search:hover,
        .header-search:focus-within {
            border-color: rgba(34, 211, 238, 0.5);
            background: rgba(255, 255, 255, 0.13);
        }

        .header-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 0.9rem;
            min-width: 0;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .header-search .search-icon {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            pointer-events: none;
        }

        .nav-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 4px;
            padding: 10px 0 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .nav-icon-grid .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-icon-grid .nav-item i {
            font-size: 1rem;
            color: var(--accent);
            transition: transform var(--transition);
        }

        .nav-icon-grid .nav-item:hover {
            background: rgba(34, 211, 238, 0.12);
            color: #fff;
        }

        .nav-icon-grid .nav-item:hover i {
            transform: scale(1.2);
        }

        .nav-icon-grid .nav-item.active {
            background: rgba(34, 211, 238, 0.2);
            color: #fff;
            font-weight: 600;
        }

        .nav-icon-grid .nav-item.active i {
            color: var(--accent-warm);
        }

        .mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 10px;
            color: #fff;
            font-size: 1.3rem;
            padding: 8px 14px;
            transition: all var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(34, 211, 238, 0.2);
        }

        /* Footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            border-radius: 12px;
            font-size: 1rem;
            color: var(--primary);
        }

        .footer-desc {
            font-size: 0.92rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            transition: all var(--transition);
        }

        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 22px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: all var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* Page-specific styles */
        .hero-betting {
            background: linear-gradient(145deg, #0f172a 0%, #1e293b 45%, #0c4a6e 100%);
            position: relative;
            overflow: hidden;
            padding: 64px 0 72px;
            color: #fff;
        }

        .hero-betting::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-betting::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-betting .container {
            position: relative;
            z-index: 2;
        }

        .status-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 40px;
            padding: 8px 18px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 22px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: #10b981;
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(16, 185, 129, 0);
            }
        }

        .hero-title {
            font-size: 2.75rem;
            font-weight: 800;
            letter-spacing: -1px;
            line-height: 1.2;
            margin-bottom: 18px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent) 0%, #38bdf8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.72);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .icon-matrix {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 12px;
            margin-bottom: 28px;
        }

        .matrix-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 18px 12px;
            text-align: center;
            transition: all var(--transition);
        }

        .matrix-item:hover {
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.4);
            transform: translateY(-3px);
        }

        .matrix-item i {
            font-size: 1.6rem;
            color: var(--accent);
            margin-bottom: 8px;
        }

        .matrix-item span {
            display: block;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: 40px;
            transition: all var(--transition);
            box-shadow: var(--shadow-glow);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 40px rgba(34, 211, 238, 0.45);
            color: var(--primary);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 14px 28px;
            border-radius: 40px;
            transition: all var(--transition);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: rgba(255, 255, 255, 0.4);
            color: #fff;
            transform: translateY(-3px);
        }

        /* Pain point section */
        .pain-section {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
        }

        .pain-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .pain-text h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .pain-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .pain-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .pain-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .pain-list li i {
            color: #ef4444;
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .pain-visual {
            background: linear-gradient(145deg, #1e293b 0%, #0f172a 100%);
            border-radius: var(--radius-xl);
            padding: 40px 35px;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .pain-visual::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(239, 68, 68, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .pain-visual .pv-label {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: #f87171;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .pain-visual h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .pain-stat {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .pain-stat .ps-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #f87171;
        }

        .pain-stat .ps-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Solution section */
        .solution-section {
            background: var(--bg);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .solution-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent) 0%, #0ea5e9 100%);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .solution-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(34, 211, 238, 0.3);
        }

        .solution-card:hover::before {
            opacity: 1;
        }

        .solution-card .sc-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            background: rgba(34, 211, 238, 0.1);
            border-radius: var(--radius-md);
            font-size: 1.4rem;
            color: var(--accent-dark);
            margin-bottom: 18px;
        }

        .solution-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .solution-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* Data badges section */
        .badges-section {
            background: linear-gradient(145deg, #0f172a 0%, #1e293b 60%, #0c4a6e 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .badges-section::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .badges-container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .badges-left h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }

        .badges-left p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .badges-right {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .badge-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 26px 18px;
            text-align: center;
            transition: all var(--transition);
        }

        .badge-item:hover {
            background: rgba(34, 211, 238, 0.12);
            border-color: rgba(34, 211, 238, 0.4);
            transform: translateY(-4px);
        }

        .badge-item .bi-num {
            font-size: 2rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent) 0%, #38bdf8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: block;
        }

        .badge-item .bi-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
            margin-top: 4px;
        }

        /* Process / method section */
        .process-section {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 36px;
        }

        .process-step {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }

        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(34, 211, 238, 0.25);
        }

        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            color: var(--primary);
            font-weight: 800;
            border-radius: 50%;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* Result section */
        .result-section {
            background: var(--bg);
        }

        .result-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
            margin-top: 36px;
        }

        .result-image-box {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .result-image-box img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .result-image-box:hover img {
            transform: scale(1.04);
        }

        .result-image-box .img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 40px 28px;
            background: linear-gradient(transparent, rgba(15, 23, 42, 0.85));
            color: #fff;
        }

        .result-image-box .img-overlay h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .result-image-box .img-overlay p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
        }

        .result-text h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
        }

        .result-text p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .result-metrics {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 24px;
        }

        .metric-box {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            gap: 12px;
            transition: all var(--transition);
        }

        .metric-box:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(34, 211, 238, 0.3);
        }

        .metric-box i {
            font-size: 1.3rem;
            color: #10b981;
        }

        .metric-box .mb-num {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text);
        }

        .metric-box .mb-label {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        /* Testimonial */
        .testimonial-section {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 36px;
        }

        .testimonial-card {
            background: var(--bg);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .testimonial-card .quote-icon {
            color: var(--accent);
            font-size: 1.6rem;
            margin-bottom: 14px;
            opacity: 0.6;
        }

        .testimonial-card blockquote {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 18px;
            font-style: italic;
        }

        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent) 0%, #0ea5e9 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
        }

        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        /* Deep content */
        .deep-section {
            background: var(--bg);
        }

        .deep-content {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 50px;
            align-items: start;
        }

        .deep-article h2 {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }

        .deep-article h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 24px 0 12px;
            color: var(--text);
        }

        .deep-article p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 2;
            margin-bottom: 14px;
        }

        .deep-article ul {
            list-style: none;
            padding: 0;
            margin: 16px 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .deep-article ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .deep-article ul li i {
            color: var(--accent-dark);
            margin-top: 4px;
            flex-shrink: 0;
        }

        .deep-side {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            position: sticky;
            top: 140px;
        }

        .deep-side h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .side-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .side-list-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 16px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: all var(--transition);
        }

        .side-list-item:hover {
            background: rgba(34, 211, 238, 0.08);
        }

        .side-list-item .sl-label {
            color: var(--text-secondary);
        }

        .side-list-item .sl-value {
            font-weight: 700;
            color: var(--accent-dark);
        }

        /* FAQ */
        .faq-section {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 30px;
        }

        .faq-item {
            background: var(--bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(34, 211, 238, 0.3);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 0.98rem;
            cursor: pointer;
            gap: 16px;
            transition: all var(--transition);
        }

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

        .faq-question .fq-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: rgba(34, 211, 238, 0.12);
            border-radius: 50%;
            color: var(--accent-dark);
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .faq-item.open .faq-question .fq-toggle {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(145deg, #0f172a 0%, #1e293b 55%, #0c4a6e 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
            padding: 72px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(34, 211, 238, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

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

        .cta-section h2 {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .container {
                padding: 0 20px;
            }
            .icon-matrix {
                grid-template-columns: repeat(4, 1fr);
            }
            .solution-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
            }
            .badges-right {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr;
            }
            .footer-col:last-child {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .header-search {
                order: 3;
                min-width: 100%;
                max-width: 100%;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-icon-grid {
                display: none;
                flex-direction: column;
                gap: 0;
                padding: 8px 0;
            }
            .nav-icon-grid.open {
                display: flex;
            }
            .nav-icon-grid .nav-item {
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 0.95rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .icon-matrix {
                grid-template-columns: repeat(3, 1fr);
            }
            .pain-content,
            .badges-container,
            .result-layout,
            .deep-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .deep-side {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-pad-lg {
                padding: 70px 0;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .icon-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline-light {
                justify-content: center;
            }
            .badges-right {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .badge-item .bi-num {
                font-size: 1.5rem;
            }
            .result-metrics {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .section-pad {
                padding: 44px 0;
            }
            .section-pad-lg {
                padding: 56px 0;
            }
        }