/* roulang page: index */
:root {
            --primary: #0E1C2F;
            --primary-soft: #173A5E;
            --accent: #1FE584;
            --accent-2: #FF6B35;
            --accent-2-dark: #E55620;
            --bg: #F4F6F8;
            --surface: #FFFFFF;
            --text: #161E29;
            --muted: #5B6773;
            --border: #E2E8EE;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 6px 18px rgba(14, 28, 47, 0.06);
            --shadow-card-hover: 0 10px 28px rgba(14, 28, 47, 0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 15px;
        }

        a {
            color: var(--primary-soft);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: var(--accent-2);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }
        @media (min-width: 640px) {
            .container {
                padding: 0 24px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 32px;
            }
        }

        section {
            padding: 56px 0;
            position: relative;
        }
        @media (min-width: 768px) {
            section {
                padding: 72px 0;
            }
        }
        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--primary);
            color: #cbd5e1;
        }
        .section-dark .section-eyebrow {
            color: var(--accent);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: #aab7c5;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-2);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 30px;
            }
        }
        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 820px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .stats-number {
            font-variant-numeric: tabular-nums;
            font-weight: 800;
            line-height: 1.2;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(14, 28, 47, 0.04);
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 16px;
            flex-wrap: wrap;
            padding: 8px 0;
        }
        .brand-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            text-decoration: none;
        }
        .brand-logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-text strong {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .brand-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.03em;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 0 14px;
            height: 38px;
            min-width: 180px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .search-box:focus-within {
            border-color: var(--accent-2);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .search-box i {
            color: var(--muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: #9aa5b1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            text-decoration: none;
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--accent-2);
            color: #fff;
            border-color: var(--accent-2);
        }
        .btn-primary:hover {
            background: var(--accent-2-dark);
            border-color: var(--accent-2-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn-live {
            background: var(--accent);
            color: #0a0f14;
            border-color: var(--accent);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }
        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
        }

        .live-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.6s ease-in-out infinite;
            margin-right: 6px;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.4);
            }
        }

        .channel-tabs-bar {
            background: var(--primary);
            border-radius: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-tabs-bar::-webkit-scrollbar {
            display: none;
        }
        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            min-width: max-content;
            padding: 6px 0;
        }
        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-tag);
            font-size: 14px;
            font-weight: 500;
            color: #cbd5e1;
            text-decoration: none;
            transition: all 0.2s ease;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .channel-tab:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .channel-tab.active {
            background: var(--accent);
            color: #0a0f14;
            font-weight: 700;
            border-color: var(--accent);
        }
        .channel-tab i {
            font-size: 13px;
        }

        /* ===== Hero Bento ===== */
        .hero-section {
            padding: 56px 0 64px;
            background: var(--primary);
            position: relative;
            overflow: hidden;
            color: #fff;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/4b92cd269b8b08f9.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-section::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(14, 28, 47, 0.92) 30%, rgba(23, 58, 94, 0.7) 100%);
            z-index: 1;
        }
        .hero-section .container {
            position: relative;
            z-index: 2;
        }
        .hero-bento {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }
        @media (min-width: 768px) {
            .hero-bento {
                grid-template-columns: 1.5fr 1fr;
            }
        }
        .hero-main-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            backdrop-filter: blur(6px);
        }
        @media (min-width: 768px) {
            .hero-main-card {
                padding: 40px 32px;
            }
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(31, 229, 132, 0.15);
            border: 1px solid rgba(31, 229, 132, 0.35);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: var(--radius-tag);
            margin-bottom: 16px;
        }
        .hero-title {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 40px;
            }
        }
        .hero-subtitle {
            font-size: 15px;
            color: #b8c4d0;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 640px;
        }
        .hero-cta-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }
        .hero-trust-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
        }
        .trust-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .trust-item strong {
            font-size: 22px;
            font-weight: 800;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
        }
        .trust-item span {
            font-size: 12px;
            color: #aab7c5;
        }
        .hero-side-stack {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .hero-feature-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            backdrop-filter: blur(6px);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
        .hero-feature-card i {
            font-size: 20px;
            color: var(--accent);
            width: 36px;
            height: 36px;
            background: rgba(31, 229, 132, 0.12);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hero-feature-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .hero-feature-card p {
            font-size: 13px;
            color: #b8c4d0;
            margin: 0;
            line-height: 1.5;
        }

        /* ===== Dashboard ===== */
        .dashboard-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media (min-width: 768px) {
            .dashboard-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .metric-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            text-align: center;
            transition: all 0.2s ease;
        }
        .metric-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .metric-card .metric-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 4px;
            font-variant-numeric: tabular-nums;
        }
        @media (min-width: 768px) {
            .metric-card .metric-number {
                font-size: 44px;
            }
        }
        .metric-card .metric-label {
            font-size: 14px;
            color: #cbd5e1;
            font-weight: 600;
        }
        .metric-card .metric-note {
            font-size: 12px;
            color: #8fa0b3;
            margin-top: 6px;
        }

        /* ===== Category Entry ===== */
        .category-entry-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .category-entry-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .category-entry-grid {
                grid-template-columns: repeat(5, 1fr);
            }
        }
        .category-entry-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: var(--text);
        }
        .category-entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            color: var(--text);
        }
        .category-entry-card .card-img {
            height: 130px;
            overflow: hidden;
            position: relative;
        }
        .category-entry-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
        .category-entry-card:hover .card-img img {
            transform: scale(1.05);
        }
        .category-entry-card .card-body {
            padding: 16px 14px;
        }
        .category-entry-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .category-entry-card p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== Service Matrix ===== */
        .service-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 640px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .service-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 22px 18px;
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .service-card .service-icon {
            width: 44px;
            height: 44px;
            background: rgba(31, 229, 132, 0.12);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--primary-soft);
            margin-bottom: 14px;
        }
        .service-card h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .service-card p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Comparison Table ===== */
        .comparison-wrap {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .comparison-table th,
        .comparison-table td {
            padding: 16px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            vertical-align: middle;
        }
        .comparison-table thead th {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            white-space: nowrap;
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tbody tr:hover {
            background: #f8fafb;
        }
        .comparison-table .col-label {
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
        }
        .comparison-table .cell-good {
            color: #0e7a48;
            font-weight: 600;
        }
        .comparison-table .cell-basic {
            color: var(--muted);
        }
        .check-icon {
            color: var(--accent-2);
            font-weight: 700;
            margin-right: 4px;
        }

        /* ===== Milestone Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border);
        }
        .timeline-item {
            position: relative;
            padding-bottom: 28px;
            padding-left: 8px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: -24px;
            top: 6px;
            width: 16px;
            height: 16px;
            background: var(--accent-2);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--accent-2);
        }
        .timeline-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== News List ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            display: flex;
            flex-wrap: wrap;
            align-items: flex-start;
            gap: 12px;
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
        }
        .news-item:hover {
            box-shadow: var(--shadow-card-hover);
            background: #fafcfd;
        }
        .news-date {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-2);
            background: rgba(255, 107, 53, 0.1);
            padding: 4px 10px;
            border-radius: var(--radius-tag);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-content {
            flex: 1;
            min-width: 200px;
        }
        .news-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .news-content p {
            font-size: 13px;
            color: var(--muted);
            margin: 0 0 10px 0;
            line-height: 1.6;
        }
        .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-2);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-link:hover {
            color: var(--accent-2-dark);
        }
        .news-link i {
            font-size: 12px;
        }

        /* ===== Platform Assurance ===== */
        .assurance-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        @media (min-width: 768px) {
            .assurance-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }
        .assurance-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
        }
        .assurance-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-card-hover);
        }
        .assurance-card i {
            font-size: 24px;
            color: var(--accent-2);
            margin-bottom: 10px;
        }
        .assurance-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .assurance-card p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== Quick Answers ===== */
        .quick-answer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
        }
        @media (min-width: 768px) {
            .quick-answer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        .quick-answer-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 16px;
            box-shadow: var(--shadow-card);
        }
        .quick-answer-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .quick-answer-card h4 i {
            color: var(--accent-2);
            font-size: 14px;
        }
        .quick-answer-card p {
            font-size: 14px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .faq-item summary {
            cursor: pointer;
            padding: 18px 20px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: background 0.2s ease;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: #f8fafb;
        }
        .faq-item summary .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--muted);
            transition: all 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
            background: var(--accent);
            color: #0a0f14;
        }
        .faq-item[open] summary {
            border-left: 3px solid var(--accent);
            padding-left: 17px;
        }
        .faq-answer {
            padding: 0 20px 18px 20px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* ===== Brand Intro ===== */
        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            align-items: center;
        }
        @media (min-width: 768px) {
            .brand-intro-wrap {
                grid-template-columns: 1.2fr 1fr;
            }
        }
        .brand-intro-text h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .brand-intro-text p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.8;
            margin-bottom: 12px;
        }
        .brand-intro-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .brand-intro-img img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }

        /* ===== Form / CTA ===== */
        .cta-form-section {
            background: var(--primary);
            color: #fff;
        }
        .cta-form-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            backdrop-filter: blur(6px);
        }
        @media (min-width: 768px) {
            .cta-form-card {
                padding: 40px 32px;
            }
        }
        .cta-form-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-form-card p {
            font-size: 14px;
            color: #b8c4d0;
            margin-bottom: 20px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            margin-bottom: 16px;
        }
        @media (min-width: 768px) {
            .form-row {
                grid-template-columns: 1fr 1fr 1fr;
            }
        }
        .form-field {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-field label {
            font-size: 13px;
            font-weight: 600;
            color: #cbd5e1;
        }
        .form-field input,
        .form-field select {
            background: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            padding: 12px 14px;
            font-size: 14px;
            color: var(--text);
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
            width: 100%;
        }
        .form-field input:focus,
        .form-field select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(31, 229, 132, 0.18);
        }
        .form-field input::placeholder {
            color: #9aa5b1;
        }
        .form-submit {
            display: flex;
            justify-content: flex-start;
        }

        /* ===== Topic / Extend ===== */
        .topic-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
        @media (min-width: 768px) {
            .topic-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        .topic-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 16px;
            box-shadow: var(--shadow-card);
            transition: all 0.2s ease;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .topic-card .topic-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent-2);
            background: rgba(255, 107, 53, 0.1);
            padding: 4px 10px;
            border-radius: var(--radius-tag);
            margin-bottom: 10px;
        }
        .topic-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .topic-card p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== Data Readout ===== */
        .data-readout-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px 18px;
            box-shadow: var(--shadow-card);
        }
        .data-readout-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
        }
        .mini-data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px solid var(--border);
            font-size: 13px;
        }
        .mini-data-row:last-child {
            border-bottom: none;
        }
        .mini-data-row span {
            color: var(--muted);
        }
        .mini-data-row strong {
            color: var(--text);
            font-weight: 700;
            font-variant-numeric: tabular-nums;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1524;
            color: #8fa0b3;
            padding: 48px 0 32px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (min-width: 768px) {
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-brand p {
            font-size: 13px;
            color: #8fa0b3;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13px;
            color: #8fa0b3;
            text-decoration: none;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 12px;
            color: #6a7b8c;
        }
        .footer-bottom a {
            color: #8fa0b3;
            text-decoration: none;
            margin-right: 6px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== Misc helpers ===== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Responsive overrides for Foundation ===== */
        @media (max-width: 640px) {
            .header-top-row {
                flex-wrap: nowrap;
                gap: 8px;
            }
            .search-box {
                min-width: 120px;
                padding: 0 10px;
                height: 34px;
            }
            .btn {
                padding: 8px 12px;
                font-size: 13px;
                white-space: nowrap;
            }
            .btn-sm {
                padding: 7px 10px;
                font-size: 12px;
            }
            .brand-text strong {
                font-size: 17px;
            }
            .brand-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }
            .hero-title {
                font-size: 26px;
            }
            .dashboard-grid {
                grid-template-columns: 1fr 1fr;
            }
            .assurance-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .header-top-row {
                flex-wrap: wrap;
                justify-content: center;
                gap: 8px;
                padding: 10px 0;
            }
            .brand-wrap {
                justify-content: center;
                width: 100%;
            }
            .header-actions {
                width: 100%;
                justify-content: center;
            }
            .search-box {
                flex: 1;
                min-width: 0;
            }
            .hero-main-card {
                padding: 24px 16px;
            }
            .hero-cta-wrap {
                flex-direction: column;
            }
            .hero-cta-wrap .btn {
                width: 100%;
            }
            .hero-trust-row {
                gap: 14px;
                flex-wrap: wrap;
            }
            .trust-item strong {
                font-size: 18px;
            }
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 8px;
                font-size: 12px;
            }
            .timeline {
                padding-left: 20px;
            }
            .timeline-dot {
                left: -16px;
                width: 12px;
                height: 12px;
                border-width: 2px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0E1C2F;
            --primary-soft: #173A5E;
            --accent: #1FE584;
            --accent-2: #FF6B35;
            --accent-2-dark: #E55620;
            --bg: #F4F6F8;
            --surface: #FFFFFF;
            --text: #161E29;
            --muted: #5B6773;
            --border: #E2E8EE;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 6px 18px rgba(14, 28, 47, 0.06);
            --shadow-card-hover: 0 10px 28px rgba(14, 28, 47, 0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 15px;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary-soft);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover,
        a:focus {
            color: var(--accent-2);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        @media (min-width: 640px) {
            .container {
                padding: 0 24px;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 32px;
            }
        }

        section {
            padding: 48px 0;
            position: relative;
        }

        @media (min-width: 768px) {
            section {
                padding: 64px 0;
            }
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary);
            color: #cbd5e1;
        }

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

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

        .section-dark .section-desc {
            color: #aab7c5;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-2);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 30px;
            }
        }

        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 820px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(14, 28, 47, 0.04);
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 12px;
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .brand-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            text-decoration: none;
        }

        .brand-logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .brand-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.03em;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 0 14px;
            height: 38px;
            min-width: 160px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .search-box:focus-within {
            border-color: var(--accent-2);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }

        .search-box i {
            color: var(--muted);
            font-size: 14px;
            margin-right: 8px;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            color: var(--text);
        }

        .search-box input::placeholder {
            color: #9aa5b1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.25s ease;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--accent-2);
            color: #fff;
            border-color: var(--accent-2);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-2-dark);
            border-color: var(--accent-2-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        .channel-tabs-bar {
            border-top: 1px solid var(--border);
            background: rgba(255, 255, 255, 0.9);
            padding: 0;
        }

        .channel-tabs {
            display: flex;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            padding: 6px 0;
            flex-wrap: nowrap;
        }

        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--muted);
            border-radius: 20px;
            white-space: nowrap;
            transition: all 0.2s ease;
            border: 1px solid transparent;
        }

        .channel-tab:hover {
            color: var(--primary);
            background: #f0f4f8;
        }

        .channel-tab.active {
            color: var(--primary);
            background: var(--accent);
            font-weight: 700;
            border-color: transparent;
        }

        .channel-tab i {
            font-size: 14px;
        }

        @media (max-width: 640px) {
            .header-actions .search-box {
                min-width: 120px;
            }
            .brand-text small {
                display: none;
            }
            .btn span.btn-text {
                display: none;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-nav {
            padding: 18px 0 0;
            font-size: 13px;
            color: var(--muted);
        }

        .breadcrumb-nav a {
            color: var(--muted);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent-2);
        }

        .breadcrumb-nav .separator {
            margin: 0 8px;
            color: #b0b8c1;
        }

        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Stats Page Hero ===== */
        .stats-hero {
            padding: 20px 0 40px;
            background: var(--primary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/4b92cd269b8b08f9.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
            z-index: 0;
        }

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

        .stats-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        @media (min-width: 768px) {
            .stats-hero h1 {
                font-size: 40px;
            }
        }

        .stats-hero .hero-sub {
            font-size: 15px;
            color: #aab7c5;
            max-width: 720px;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .stats-hero .hero-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #cbd5e1;
        }

        .stats-hero .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .stats-hero .hero-meta i {
            color: var(--accent);
        }

        /* ===== Stat Cards ===== */
        .stat-card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 640px) {
            .stat-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .stat-card-grid {
                grid-template-columns: repeat(4, 1fr);
            }
        }

        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all 0.25s ease;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

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

        .stat-card .stat-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            background: rgba(31, 229, 132, 0.12);
            color: var(--primary-soft);
            margin-bottom: 8px;
        }

        .stat-card .stat-value {
            font-size: 36px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-card .stat-value.accent {
            color: var(--accent-2);
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--muted);
        }

        .stat-card .stat-trend {
            font-size: 12px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .stat-card .stat-trend.up {
            color: #1a9e4b;
        }

        .stat-card .stat-trend.down {
            color: #c0392b;
        }

        /* ===== Data Table ===== */
        .data-table-wrap {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
        }

        .data-table th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 13px;
            text-align: left;
            padding: 14px 16px;
            letter-spacing: 0.03em;
        }

        .data-table td {
            padding: 13px 16px;
            font-size: 14px;
            border-bottom: 1px solid var(--border);
            color: var(--text);
        }

        .data-table tbody tr:last-child td {
            border-bottom: none;
        }

        .data-table tbody tr:hover {
            background: #f8fafc;
        }

        .data-table .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }

        .data-table .team-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        .data-table .highlight {
            color: var(--accent-2);
            font-weight: 700;
        }

        /* ===== Player Cards ===== */
        .player-card-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 640px) {
            .player-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .player-card-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        .player-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px;
            box-shadow: var(--shadow-card);
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all 0.25s ease;
        }

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

        .player-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .player-info {
            flex: 1;
            min-width: 0;
        }

        .player-name {
            font-weight: 700;
            font-size: 15px;
            color: var(--text);
            margin-bottom: 2px;
        }

        .player-team {
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 6px;
        }

        .player-stats-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 12px;
            color: var(--muted);
        }

        .player-stats-row strong {
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        /* ===== Trend Panel ===== */
        .trend-panel {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 24px;
        }

        .trend-bars {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            height: 200px;
            padding-top: 20px;
        }

        .trend-bar-wrapper {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            height: 100%;
            justify-content: flex-end;
        }

        .trend-bar {
            width: 100%;
            max-width: 52px;
            background: linear-gradient(to top, var(--primary-soft), var(--accent));
            border-radius: 6px 6px 0 0;
            min-height: 8px;
            transition: height 0.4s ease;
        }

        .trend-label {
            font-size: 11px;
            color: var(--muted);
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all 0.25s ease;
        }

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

        .faq-item summary {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 15px;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            gap: 12px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .faq-icon {
            color: var(--accent-2);
            font-size: 14px;
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(90deg);
        }

        .faq-item .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            border-left: 3px solid var(--accent);
            margin-left: 20px;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            color: #fff;
        }

        .cta-banner h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
        }

        .cta-banner p {
            font-size: 14px;
            color: #aab7c5;
            margin: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #aab7c5;
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        @media (min-width: 640px) {
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 1024px) {
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr 1fr;
            }
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #8fa0b3;
            margin: 0;
            max-width: 340px;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.04em;
        }

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

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

        .footer-col a {
            font-size: 13px;
            color: #8fa0b3;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #7d8fa3;
        }

        .footer-bottom a {
            color: #7d8fa3;
        }

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

        /* ===== Responsive table ===== */
        .table-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        /* ===== Section spacing helpers ===== */
        .mt-0 { margin-top: 0; }
        .mb-0 { margin-bottom: 0; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }

/* roulang page: category1 */
:root {
            --primary: #0E1C2F;
            --primary-soft: #173A5E;
            --accent: #1FE584;
            --accent-2: #FF6B35;
            --accent-2-dark: #E55620;
            --bg: #F4F6F8;
            --surface: #FFFFFF;
            --text: #161E29;
            --muted: #5B6773;
            --border: #E2E8EE;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 6px 18px rgba(14, 28, 47, 0.06);
            --shadow-card-hover: 0 10px 28px rgba(14, 28, 47, 0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 15px;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary-soft);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover,
        a:focus {
            color: var(--accent-2);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        @media (min-width: 640px) {
            .container {
                padding: 0 24px;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 32px;
            }
        }

        section {
            padding: 48px 0;
            position: relative;
        }

        @media (min-width: 1024px) {
            section {
                padding: 64px 0;
            }
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary);
            color: #cbd5e1;
        }

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

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

        .section-dark .section-desc {
            color: #aab7c5;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-2);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        @media (min-width: 640px) {
            .section-title {
                font-size: 26px;
            }
        }

        @media (min-width: 1024px) {
            .section-title {
                font-size: 30px;
            }
        }

        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 820px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(14, 28, 47, 0.04);
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 16px;
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .brand-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            text-decoration: none;
        }

        .brand-logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .brand-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.03em;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 0 14px;
            height: 38px;
            min-width: 180px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .search-box:focus-within {
            border-color: var(--accent-2);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }

        .search-box i {
            color: var(--muted);
            font-size: 14px;
            margin-right: 8px;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            color: var(--text);
        }

        .search-box input::placeholder {
            color: #9aa5b1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 2px solid transparent;
            transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.15s ease;
            white-space: nowrap;
            text-decoration: none;
            line-height: 1.4;
        }

        .btn:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--accent-2);
            color: #fff;
            border-color: var(--accent-2);
        }

        .btn-primary:hover {
            background: var(--accent-2-dark);
            border-color: var(--accent-2-dark);
            color: #fff;
            box-shadow: 0 6px 16px rgba(229, 86, 32, 0.28);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(229, 86, 32, 0.2);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: #17c96f;
            border-color: #17c96f;
            color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
            border-radius: 8px;
        }

        .btn-lg {
            padding: 13px 24px;
            font-size: 16px;
            border-radius: 12px;
        }

        .btn-block {
            width: 100%;
        }

        .channel-tabs-bar {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 0;
        }

        .channel-tabs {
            display: flex;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            padding: 6px 0;
            align-items: center;
        }

        .channel-tabs::-webkit-scrollbar {
            height: 4px;
        }

        .channel-tabs::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }

        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            border-radius: 20px;
            white-space: nowrap;
            transition: all 0.2s ease;
            text-decoration: none;
            border: 1px solid transparent;
        }

        .channel-tab i {
            font-size: 13px;
        }

        .channel-tab:hover {
            background: #F0F4F7;
            color: var(--primary);
        }

        .channel-tab.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .channel-tab.active:hover {
            background: var(--accent);
            color: var(--primary);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-nav {
            padding: 16px 0 4px;
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--primary-soft);
            font-weight: 500;
        }

        .breadcrumb-nav a:hover {
            color: var(--accent-2);
        }

        .breadcrumb-nav .separator {
            color: #b0b8c4;
            font-size: 11px;
        }

        .breadcrumb-nav .current {
            color: var(--muted);
            font-weight: 500;
        }

        /* ===== Page H1 Area ===== */
        .page-heading {
            padding: 28px 0 20px;
        }

        .page-heading h1 {
            font-size: 30px;
            font-weight: 700;
            color: var(--primary);
            margin: 0 0 8px;
            line-height: 1.25;
        }

        @media (min-width: 640px) {
            .page-heading h1 {
                font-size: 36px;
            }
        }

        @media (min-width: 1024px) {
            .page-heading h1 {
                font-size: 40px;
            }
        }

        .page-heading .subtitle {
            font-size: 15px;
            color: var(--muted);
            max-width: 760px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Live Match Cards ===== */
        .match-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        @media (min-width: 640px) {
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (min-width: 1024px) {
            .match-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        .match-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.25s ease, transform 0.25s ease;
            display: flex;
            flex-direction: column;
        }

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

        .match-card-media {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary);
        }

        .match-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .match-card:hover .match-card-media img {
            transform: scale(1.03);
        }

        .match-status-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.02em;
            z-index: 2;
        }

        .match-status-badge.live {
            background: var(--accent);
            color: var(--primary);
        }

        .match-status-badge.live .pulse-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulseGreen 1.5s ease-in-out infinite;
        }

        @keyframes pulseGreen {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        .match-status-badge.upcoming {
            background: var(--accent-2);
            color: #fff;
        }

        .match-status-badge.scheduled {
            background: #DFE5EC;
            color: var(--muted);
        }

        .match-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .match-league {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            color: var(--accent-2);
            margin-bottom: 6px;
        }

        .match-teams {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .match-score {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }

        .match-score .score-sep {
            color: var(--muted);
            font-weight: 400;
            font-size: 18px;
            margin: 0 4px;
        }

        .match-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--muted);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border);
        }

        .match-meta i {
            color: var(--primary-soft);
            font-size: 13px;
        }

        .match-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-soft);
            margin-top: 12px;
            text-decoration: none;
        }

        .match-card-link i {
            font-size: 12px;
            transition: transform 0.2s ease;
        }

        .match-card-link:hover {
            color: var(--accent-2);
        }

        .match-card-link:hover i {
            transform: translateX(3px);
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
            margin-top: 8px;
        }

        @media (min-width: 640px) {
            .stats-strip {
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
                padding: 28px 24px;
            }
        }

        .stat-item {
            text-align: center;
            padding: 4px 0;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            display: block;
        }

        @media (min-width: 640px) {
            .stat-number {
                font-size: 44px;
            }
        }

        .stat-label {
            font-size: 13px;
            color: #aab7c5;
            margin-top: 4px;
            line-height: 1.5;
        }

        /* ===== Featured Match Section ===== */
        .featured-match-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr;
            transition: box-shadow 0.25s ease;
        }

        @media (min-width: 768px) {
            .featured-match-card {
                grid-template-columns: 1fr 1fr;
            }
        }

        .featured-match-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .featured-media {
            min-height: 200px;
            position: relative;
            background: var(--primary);
        }

        .featured-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .featured-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: var(--surface);
        }

        .featured-body .match-league {
            font-size: 13px;
        }

        .featured-body .match-teams {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .featured-body .match-score {
            font-size: 32px;
            margin-bottom: 10px;
        }

        .featured-desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-card);
        }

        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            outline: none;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary .fa-chevron-down {
            font-size: 14px;
            color: var(--muted);
            transition: transform 0.2s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary .fa-chevron-down {
            transform: rotate(180deg);
        }

        .faq-item summary:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }

        .faq-answer {
            padding: 0 20px 18px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            border-left: 3px solid var(--accent);
            margin-left: 20px;
            padding-left: 16px;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: flex-start;
            justify-content: space-between;
        }

        @media (min-width: 768px) {
            .cta-banner {
                flex-direction: row;
                align-items: center;
                padding: 36px 32px;
            }
        }

        .cta-banner-content {
            flex: 1;
        }

        .cta-banner h2 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.3;
        }

        .cta-banner p {
            font-size: 14px;
            color: #aab7c5;
            margin: 0;
            line-height: 1.6;
        }

        .cta-banner .btn {
            flex-shrink: 0;
        }

        /* ===== Related Links ===== */
        .related-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 12px;
        }

        @media (min-width: 640px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        .related-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 18px 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
        }

        .related-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-1px);
            border-color: var(--accent-2);
        }

        .related-card-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
        }

        .related-card-info h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            margin: 0 0 2px;
            line-height: 1.3;
        }

        .related-card-info p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #aab7c5;
            padding: 48px 0 24px;
            margin-top: 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        @media (min-width: 640px) {
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (min-width: 1024px) {
            .footer-top {
                grid-template-columns: 2fr 1fr 1fr 1fr;
                gap: 28px;
            }
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .footer-brand p {
            font-size: 13px;
            color: #aab7c5;
            line-height: 1.7;
            max-width: 360px;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

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

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: #aab7c5;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 12px;
            color: #7d8a99;
        }

        @media (min-width: 640px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
                align-items: center;
            }
        }

        .footer-bottom a {
            color: #aab7c5;
            text-decoration: none;
            margin: 0 4px;
        }

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

        /* ===== Responsive adjustments ===== */
        @media (max-width: 639px) {
            .header-top-row {
                gap: 8px;
            }

            .search-box {
                min-width: 130px;
                width: 100%;
                order: 3;
                flex: 1 1 100%;
            }

            .channel-tab {
                padding: 7px 12px;
                font-size: 13px;
                gap: 4px;
            }

            .channel-tab i {
                font-size: 11px;
            }

            .match-card-body {
                padding: 14px 15px 16px;
            }

            .match-teams {
                font-size: 15px;
            }

            .match-score {
                font-size: 20px;
            }

            .featured-body {
                padding: 18px;
            }

            .featured-body .match-teams {
                font-size: 17px;
            }

            .featured-body .match-score {
                font-size: 26px;
            }

            .cta-banner {
                padding: 24px 18px;
            }

            .cta-banner h2 {
                font-size: 17px;
            }
        }

        @media (min-width: 640px) and (max-width: 1023px) {
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-strip {
                grid-template-columns: repeat(3, 1fr);
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0E1C2F;
            --primary-soft: #173A5E;
            --accent: #1FE584;
            --accent-2: #FF6B35;
            --accent-2-dark: #E55620;
            --bg: #F4F6F8;
            --surface: #FFFFFF;
            --text: #161E29;
            --muted: #5B6773;
            --border: #E2E8EE;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 6px 18px rgba(14, 28, 47, 0.06);
            --shadow-card-hover: 0 10px 28px rgba(14, 28, 47, 0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
        }

        * {
            box-sizing: border-box;
        }

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

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 15px;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary-soft);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        a:hover,
        a:focus {
            color: var(--accent-2);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }

        @media (min-width: 640px) {
            .container {
                padding: 0 24px;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 32px;
            }
        }

        section {
            padding: 48px 0;
            position: relative;
        }

        @media (min-width: 1024px) {
            section {
                padding: 64px 0;
            }
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-dark {
            background: var(--primary);
            color: #cbd5e1;
        }

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

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

        .section-dark .section-desc {
            color: #aab7c5;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-2);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        @media (min-width: 1024px) {
            .section-title {
                font-size: 30px;
            }
        }

        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 820px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(14, 28, 47, 0.04);
        }

        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 16px;
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .brand-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            text-decoration: none;
        }

        .brand-logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
        }

        .brand-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.03em;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 0 14px;
            height: 38px;
            min-width: 180px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .search-box:focus-within {
            border-color: var(--accent-2);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }

        .search-box i {
            color: var(--muted);
            font-size: 14px;
            margin-right: 8px;
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            color: var(--text);
        }

        .search-box input::placeholder {
            color: #9aa5b1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 2px solid transparent;
            transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn:active {
            transform: translateY(1px);
        }

        .btn-primary {
            background: var(--accent-2);
            color: #fff;
            border-color: var(--accent-2);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-2-dark);
            border-color: var(--accent-2-dark);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.28);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
        }

        .btn-live {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .btn-live:hover,
        .btn-live:focus {
            background: #17d174;
            border-color: #17d174;
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(31, 229, 132, 0.28);
        }

        .btn-live .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse-dot 1.5s ease-in-out infinite;
            display: inline-block;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.7);
            }
        }

        /* ===== Channel Tabs ===== */
        .channel-tabs-bar {
            background: var(--primary);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .channel-tabs {
            display: flex;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.25) transparent;
            min-height: 44px;
            align-items: center;
            padding: 4px 0;
        }

        .channel-tabs::-webkit-scrollbar {
            height: 4px;
        }

        .channel-tabs::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-tabs::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.25);
            border-radius: 4px;
        }

        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.65);
            border-radius: var(--radius-tag);
            transition: background 0.2s ease, color 0.2s ease, transform 0.15s ease;
            flex-shrink: 0;
            text-decoration: none;
            white-space: nowrap;
        }

        .channel-tab:hover,
        .channel-tab:focus {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
            text-decoration: none;
        }

        .channel-tab.active {
            background: var(--accent);
            color: var(--primary);
        }

        .channel-tab.active i {
            color: var(--primary);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 12px;
        }

        .breadcrumb a {
            color: var(--muted);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .breadcrumb a:hover,
        .breadcrumb a:focus {
            color: var(--accent-2);
        }

        .breadcrumb .sep {
            color: #9aa5b1;
            margin: 0 2px;
        }

        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* ===== Page Header (Category H1) ===== */
        .page-header {
            background: var(--surface);
            padding: 32px 0 24px;
            border-bottom: 1px solid var(--border);
        }

        .page-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
            margin: 0 0 10px;
        }

        @media (min-width: 1024px) {
            .page-header h1 {
                font-size: 38px;
            }
        }

        .page-header .page-sub {
            font-size: 15px;
            color: var(--muted);
            max-width: 820px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: var(--primary);
            padding: 28px 0;
        }

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

        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            display: block;
        }

        .stat-number.orange {
            color: var(--accent-2);
        }

        .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 6px;
            display: block;
        }

        @media (max-width: 640px) {
            .stat-number {
                font-size: 28px;
            }
            .stat-label {
                font-size: 12px;
            }
        }

        /* ===== Schedule Cards ===== */
        .schedule-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            padding: 18px 20px;
            margin-bottom: 14px;
            transition: box-shadow 0.2s ease, transform 0.15s ease, border-color 0.2s ease;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }

        .schedule-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: rgba(31, 229, 132, 0.4);
        }

        .schedule-time {
            min-width: 80px;
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
        }

        .schedule-league-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(14, 28, 47, 0.06);
            color: var(--primary-soft);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            white-space: nowrap;
        }

        .schedule-matchup {
            flex: 1;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            min-width: 180px;
        }

        .schedule-matchup .vs {
            color: var(--muted);
            font-weight: 600;
            font-size: 13px;
        }

        .schedule-score {
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-2);
            font-variant-numeric: tabular-nums;
            min-width: 60px;
            text-align: center;
        }

        .schedule-score.live {
            color: var(--accent);
        }

        .schedule-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            white-space: nowrap;
        }

        .schedule-status.upcoming {
            background: rgba(14, 28, 47, 0.06);
            color: var(--muted);
        }

        .schedule-status.live {
            background: rgba(31, 229, 132, 0.12);
            color: var(--accent);
        }

        .schedule-status.finished {
            background: rgba(255, 107, 53, 0.1);
            color: var(--accent-2);
        }

        .schedule-status .live-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent);
            animation: pulse-dot 1.2s ease-in-out infinite;
            display: inline-block;
        }

        @media (max-width: 640px) {
            .schedule-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 16px;
            }
            .schedule-time {
                min-width: auto;
            }
            .schedule-matchup {
                min-width: auto;
                width: 100%;
            }
            .schedule-score {
                min-width: auto;
                text-align: left;
            }
        }

        /* ===== Date Group ===== */
        .date-group-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin: 24px 0 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .date-group-title i {
            color: var(--accent-2);
            font-size: 16px;
        }

        /* ===== League Topic Cards ===== */
        .league-topic-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: box-shadow 0.2s ease, transform 0.15s ease;
            display: block;
            text-decoration: none;
            color: var(--text);
        }

        .league-topic-card:hover,
        .league-topic-card:focus {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            color: var(--text);
            text-decoration: none;
        }

        .league-topic-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border);
        }

        .league-topic-body {
            padding: 16px 18px;
        }

        .league-topic-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }

        .league-topic-body p {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .faq-item:hover {
            border-color: rgba(31, 229, 132, 0.4);
        }

        .faq-item summary {
            padding: 14px 18px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color 0.2s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--accent-2);
        }

        .faq-item summary .faq-icon {
            color: var(--accent-2);
            font-size: 14px;
            transition: transform 0.25s ease;
            flex-shrink: 0;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(180deg);
        }

        .faq-item[open] {
            border-left: 3px solid var(--accent);
        }

        .faq-answer {
            padding: 0 18px 14px 18px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            border-top: 1px dashed var(--border);
            padding-top: 12px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary-soft);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: rgba(31, 229, 132, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            left: -5%;
            width: 250px;
            height: 250px;
            background: rgba(255, 107, 53, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        @media (min-width: 1024px) {
            .cta-content h2 {
                font-size: 32px;
            }
        }

        .cta-content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            max-width: 520px;
            margin: 0 auto;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 16px;
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.15);
        }

        .cta-form .btn-primary {
            min-width: 140px;
        }

        @media (max-width: 640px) {
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .cta-form .btn-primary {
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 640px) {
            .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        .footer-brand h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 13px;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.65);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ===== Section Spacing Helpers ===== */
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .pt-0 {
            padding-top: 0;
        }
        .pb-0 {
            padding-bottom: 0;
        }

        /* ===== Responsive Image ===== */
        .img-cover {
            width: 100%;
            object-fit: cover;
        }

        /* ===== Grid Gap ===== */
        .grid-gap-sm {
            gap: 10px;
        }
        .grid-gap-md {
            gap: 16px;
        }
        .grid-gap-lg {
            gap: 24px;
        }

/* roulang page: category4 */
:root {
      --primary: #0E1C2F;
      --primary-soft: #173A5E;
      --accent: #1FE584;
      --accent-2: #FF6B35;
      --accent-2-dark: #E55620;
      --bg: #F4F6F8;
      --surface: #FFFFFF;
      --text: #161E29;
      --muted: #5B6773;
      --border: #E2E8EE;
      --radius-card: 12px;
      --radius-btn: 10px;
      --radius-tag: 20px;
      --shadow-card: 0 6px 18px rgba(14, 28, 47, 0.06);
      --shadow-card-hover: 0 10px 28px rgba(14, 28, 47, 0.12);
      --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --container-max: 1200px;
    }

    * {
      box-sizing: border-box;
    }

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

    body {
      font-family: var(--font-stack);
      background: var(--bg);
      color: var(--text);
      line-height: 1.65;
      font-size: 15px;
      margin: 0;
    }

    a {
      color: var(--primary-soft);
      text-decoration: none;
      transition: color 0.2s ease;
    }

    a:hover,
    a:focus {
      color: var(--accent-2);
      text-decoration: none;
    }

    a:focus-visible {
      outline: 2px solid var(--accent-2);
      outline-offset: 2px;
    }

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

    button,
    input,
    select,
    textarea {
      font-family: var(--font-stack);
      font-size: 15px;
    }

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 16px;
    }

    @media (min-width: 640px) {
      .container {
        padding: 0 24px;
      }
    }

    @media (min-width: 1024px) {
      .container {
        padding: 0 32px;
      }
    }

    section {
      padding: 56px 0;
      position: relative;
    }

    @media (min-width: 1024px) {
      section {
        padding: 72px 0;
      }
    }

    .section-alt {
      background: var(--surface);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .section-dark {
      background: var(--primary);
      color: #cbd5e1;
    }

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

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

    .section-dark .section-desc {
      color: #aab7c5;
    }

    .section-eyebrow {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.08em;
      text-transform: uppercase;
      color: var(--accent-2);
      margin-bottom: 12px;
    }

    .section-title {
      font-size: 24px;
      font-weight: 700;
      color: var(--text);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    @media (min-width: 768px) {
      .section-title {
        font-size: 30px;
      }
    }

    .section-desc {
      font-size: 15px;
      color: var(--muted);
      max-width: 820px;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    /* ===== Header / Nav ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      box-shadow: 0 2px 12px rgba(14, 28, 47, 0.04);
    }

    .header-top-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 64px;
      gap: 16px;
      flex-wrap: wrap;
      padding: 8px 0;
    }

    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand-logo-link {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--text);
      text-decoration: none;
    }

    .brand-logo-icon {
      width: 40px;
      height: 40px;
      background: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 20px;
      font-weight: 700;
      flex-shrink: 0;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.2;
    }

    .brand-text strong {
      font-size: 20px;
      font-weight: 700;
      color: var(--primary);
      letter-spacing: 0.02em;
    }

    .brand-text small {
      font-size: 11px;
      color: var(--muted);
      letter-spacing: 0.03em;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-box {
      display: flex;
      align-items: center;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 22px;
      padding: 0 14px;
      height: 38px;
      min-width: 180px;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .search-box:focus-within {
      border-color: var(--accent-2);
      box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
    }

    .search-box i {
      color: var(--muted);
      font-size: 14px;
      margin-right: 8px;
    }

    .search-box input {
      border: none;
      background: transparent;
      outline: none;
      width: 100%;
      font-size: 14px;
      color: var(--text);
    }

    .search-box input::placeholder {
      color: #9aa5b1;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: var(--radius-btn);
      padding: 10px 18px;
      font-size: 14px;
      font-weight: 600;
      cursor: pointer;
      border: 2px solid transparent;
      transition: all 0.2s ease;
      text-decoration: none;
      line-height: 1.2;
    }

    .btn:focus-visible {
      outline: 2px solid var(--accent-2);
      outline-offset: 2px;
    }

    .btn-primary {
      background: var(--accent-2);
      color: #fff;
      border-color: var(--accent-2);
    }

    .btn-primary:hover,
    .btn-primary:focus {
      background: var(--accent-2-dark);
      border-color: var(--accent-2-dark);
      color: #fff;
    }

    .btn-sm {
      padding: 8px 14px;
      font-size: 13px;
    }

    .btn-outline {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }

    .btn-outline:hover,
    .btn-outline:focus {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
    }

    .channel-tabs-bar {
      background: var(--primary);
      min-height: 44px;
      display: flex;
      align-items: center;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }

    .channel-tabs-bar::-webkit-scrollbar {
      display: none;
    }

    .channel-tabs {
      display: flex;
      align-items: center;
      gap: 4px;
      flex-wrap: nowrap;
      width: max-content;
      min-width: 100%;
      padding: 4px 0;
    }

    .channel-tab {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 14px;
      border-radius: 20px;
      color: #b6c2d0;
      font-size: 14px;
      font-weight: 500;
      white-space: nowrap;
      transition: all 0.2s ease;
    }

    .channel-tab i {
      font-size: 14px;
    }

    .channel-tab:hover,
    .channel-tab:focus {
      color: #fff;
      background: rgba(255, 255, 255, 0.1);
    }

    .channel-tab.active {
      background: var(--accent);
      color: var(--primary);
      font-weight: 700;
    }

    .channel-tab.active:hover,
    .channel-tab.active:focus {
      background: var(--accent);
      color: var(--primary);
    }

    /* Breadcrumb */
    .breadcrumb {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 8px;
      font-size: 14px;
      color: var(--muted);
      margin-bottom: 16px;
    }

    .breadcrumb a {
      color: var(--primary-soft);
      font-weight: 500;
    }

    .breadcrumb a:hover {
      color: var(--accent-2);
    }

    .breadcrumb .sep {
      color: #b6c2d0;
      user-select: none;
    }

    .page-hero {
      background: var(--primary);
      color: #fff;
      padding: 32px 0 40px;
    }

    .page-hero h1 {
      font-size: 32px;
      font-weight: 700;
      color: #fff;
      margin: 0 0 8px;
      line-height: 1.25;
    }

    .page-hero .hero-desc {
      font-size: 15px;
      color: #aab7c5;
      max-width: 760px;
      margin: 0;
    }

    /* News list */
    .news-list-section {
      padding-top: 40px;
    }

    .news-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }

    @media (min-width: 768px) {
      .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    .news-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      transition: box-shadow 0.25s ease, transform 0.25s ease;
      display: flex;
      flex-direction: column;
    }

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

    .news-card-img {
      height: 200px;
      overflow: hidden;
      background: var(--primary-soft);
    }

    .news-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }

    .news-card:hover .news-card-img img {
      transform: scale(1.03);
    }

    .news-card-body {
      padding: 20px 20px 18px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }

    .news-date {
      display: inline-block;
      font-size: 13px;
      color: var(--accent-2);
      font-weight: 600;
      margin-bottom: 8px;
    }

    .news-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--text);
      margin: 0 0 8px;
      line-height: 1.4;
    }

    .news-card .news-summary {
      font-size: 14px;
      color: var(--muted);
      line-height: 1.7;
      margin-bottom: 16px;
      flex: 1;
    }

    .news-card .btn-read {
      align-self: flex-start;
    }

    .news-card .btn-read.btn-outline {
      padding: 8px 14px;
      font-size: 13px;
    }

    .load-more-wrap {
      margin-top: 32px;
      text-align: center;
    }

    /* Stat strip */
    .stat-strip {
      background: var(--primary-soft);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      margin-bottom: 24px;
    }

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

    @media (max-width: 639px) {
      .stat-strip .stat-grid {
        grid-template-columns: 1fr;
        gap: 16px;
      }
    }

    .stat-item {
      text-align: center;
    }

    .stat-number {
      font-size: 36px;
      font-weight: 700;
      color: var(--accent);
      font-variant-numeric: tabular-nums;
      line-height: 1.2;
    }

    .stat-label {
      font-size: 14px;
      color: #cbd5e1;
      margin-top: 4px;
    }

    /* Topic cards */
    .topic-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 24px;
    }

    @media (min-width: 768px) {
      .topic-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }

    .topic-card {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 20px;
      transition: box-shadow 0.25s ease, transform 0.25s ease;
      display: flex;
      flex-direction: column;
    }

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

    .topic-icon {
      width: 40px;
      height: 40px;
      background: var(--primary);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--accent);
      font-size: 18px;
      margin-bottom: 12px;
    }

    .topic-card h4 {
      font-size: 17px;
      font-weight: 700;
      color: var(--text);
      margin: 0 0 8px;
    }

    .topic-card p {
      font-size: 14px;
      color: var(--muted);
      margin: 0 0 12px;
      line-height: 1.6;
    }

    .topic-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--accent-2);
      margin-top: auto;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .topic-link i {
      font-size: 12px;
      transition: transform 0.2s ease;
    }

    .topic-link:hover {
      color: var(--accent-2-dark);
    }

    .topic-link:hover i {
      transform: translateX(3px);
    }

    /* FAQ */
    .faq-list {
      max-width: 800px;
    }

    .faq-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      background: var(--surface);
      margin-bottom: 12px;
      overflow: hidden;
      transition: box-shadow 0.2s ease;
    }

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

    .faq-question {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 16px 18px;
      cursor: pointer;
      background: var(--surface);
      font-weight: 600;
      font-size: 15px;
      color: var(--text);
      border: none;
      width: 100%;
      text-align: left;
      transition: background 0.2s ease;
    }

    .faq-question:hover {
      background: #F0F4F7;
    }

    .faq-question i {
      color: var(--accent-2);
      font-size: 16px;
      flex-shrink: 0;
      transition: transform 0.25s ease;
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease, padding 0.3s ease;
      padding: 0 18px;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }

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

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

    /* CTA band */
    .cta-band {
      background: var(--primary);
      border-radius: var(--radius-card);
      padding: 28px 24px;
      color: #fff;
    }

    @media (min-width: 768px) {
      .cta-band {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        padding: 32px 36px;
      }
    }

    .cta-band h2 {
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      margin: 0 0 8px;
    }

    .cta-band p {
      font-size: 14px;
      color: #aab7c5;
      margin: 0;
      max-width: 500px;
    }

    .cta-form {
      display: flex;
      flex-direction: column;
      gap: 10px;
      margin-top: 16px;
      width: 100%;
      max-width: 420px;
    }

    @media (min-width: 768px) {
      .cta-form {
        flex-direction: row;
        margin-top: 0;
      }
    }

    .cta-form input {
      flex: 1;
      border: 1px solid var(--border);
      border-radius: var(--radius-btn);
      padding: 12px 16px;
      background: var(--surface);
      color: var(--text);
      outline: none;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .cta-form input:focus {
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(31, 229, 132, 0.2);
    }

    .cta-form .btn-primary {
      white-space: nowrap;
    }

    /* Hot list */
    .hot-list {
      display: grid;
      gap: 14px;
    }

    .hot-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-card);
      transition: box-shadow 0.2s ease;
      font-size: 14px;
    }

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

    .hot-item i {
      color: var(--accent-2);
      font-size: 14px;
    }

    /* Footer */
    .site-footer {
      background: var(--primary);
      color: #aab7c5;
      padding: 48px 0 24px;
      margin-top: 48px;
    }

    .footer-top {
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
      margin-bottom: 32px;
    }

    @media (min-width: 768px) {
      .footer-top {
        grid-template-columns: 2fr 1fr 1fr 1fr;
      }
    }

    .footer-brand h3 {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin: 0 0 8px;
    }

    .footer-brand p {
      font-size: 14px;
      color: #8b9aab;
      max-width: 360px;
      line-height: 1.7;
    }

    .footer-col h5 {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      margin: 0 0 12px;
    }

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

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

    .footer-col a {
      color: #8b9aab;
      font-size: 14px;
      transition: color 0.2s ease;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      font-size: 13px;
      color: #8b9aab;
    }

    @media (min-width: 768px) {
      .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
      }
    }

    .footer-bottom a {
      color: #8b9aab;
      margin: 0 4px;
    }

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

    /* Utility */
    .text-center {
      text-align: center;
    }

    .mt-16 {
      margin-top: 16px;
    }

    .mt-24 {
      margin-top: 24px;
    }

    .mt-32 {
      margin-top: 32px;
    }

/* roulang page: category5 */
:root {
            --primary: #0E1C2F;
            --primary-soft: #173A5E;
            --accent: #1FE584;
            --accent-2: #FF6B35;
            --accent-2-dark: #E55620;
            --bg: #F4F6F8;
            --surface: #FFFFFF;
            --text: #161E29;
            --muted: #5B6773;
            --border: #E2E8EE;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 6px 18px rgba(14, 28, 47, 0.06);
            --shadow-card-hover: 0 10px 28px rgba(14, 28, 47, 0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
        }

        /* roulang page: videos */
        :root {
            --primary: #0E1C2F;
            --primary-soft: #173A5E;
            --accent: #1FE584;
            --accent-2: #FF6B35;
            --accent-2-dark: #E55620;
            --bg: #F4F6F8;
            --surface: #FFFFFF;
            --text: #161E29;
            --muted: #5B6773;
            --border: #E2E8EE;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 6px 18px rgba(14, 28, 47, 0.06);
            --shadow-card-hover: 0 10px 28px rgba(14, 28, 47, 0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
        }

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

        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 15px;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary-soft);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover,
        a:focus {
            color: var(--accent-2);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 16px;
        }
        @media (min-width: 640px) {
            .container {
                padding: 0 24px;
            }
        }
        @media (min-width: 1024px) {
            .container {
                padding: 0 32px;
            }
        }

        section {
            padding: 56px 0;
            position: relative;
        }
        @media (min-width: 1024px) {
            section {
                padding: 72px 0;
            }
        }

        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--primary);
            color: #cbd5e1;
        }
        .section-dark .section-eyebrow {
            color: var(--accent);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-desc {
            color: #aab7c5;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-2);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        @media (min-width: 1024px) {
            .section-title {
                font-size: 30px;
            }
        }
        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 820px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(14, 28, 47, 0.04);
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 16px;
            flex-wrap: wrap;
            padding: 8px 0;
        }
        .brand-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            text-decoration: none;
        }
        .brand-logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-text strong {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
        }
        .brand-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: 0.03em;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 0 14px;
            height: 38px;
            min-width: 180px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .search-box:focus-within {
            border-color: var(--accent-2);
            box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
        }
        .search-box i {
            color: var(--muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: #9aa5b1;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.2s ease;
            text-decoration: none;
            line-height: 1.2;
        }
        .btn:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--accent-2);
            color: #fff;
            border-color: var(--accent-2);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-2-dark);
            border-color: var(--accent-2-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(255, 107, 53, 0.3);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-1px);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-accent:hover,
        .btn-accent:focus {
            background: #12d178;
            border-color: #12d178;
            color: var(--primary);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(31, 229, 132, 0.35);
        }
        .btn-sm {
            padding: 8px 14px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 14px 28px;
            font-size: 16px;
            border-radius: 12px;
        }
        .btn-block {
            display: flex;
            width: 100%;
        }

        /* Channel tabs bar */
        .channel-tabs-bar {
            background: var(--surface);
            border-top: 1px solid var(--border);
            min-height: 44px;
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }
        .channel-tabs-bar::-webkit-scrollbar {
            height: 4px;
        }
        .channel-tabs-bar::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        .channel-tabs {
            display: flex;
            gap: 4px;
            align-items: center;
            flex-wrap: nowrap;
            white-space: nowrap;
            min-height: 44px;
            padding: 4px 0;
        }
        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 22px;
            font-size: 14px;
            font-weight: 600;
            color: var(--muted);
            transition: all 0.2s ease;
            flex-shrink: 0;
            border: 1px solid transparent;
        }
        .channel-tab:hover {
            color: var(--primary);
            background: #f0f4f7;
        }
        .channel-tab.active {
            color: var(--primary);
            background: var(--accent);
            border-color: var(--accent);
            font-weight: 700;
        }
        .channel-tab i {
            font-size: 13px;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }
        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--muted);
            flex-wrap: wrap;
        }
        .breadcrumb-nav a {
            color: var(--muted);
            transition: color 0.2s ease;
        }
        .breadcrumb-nav a:hover {
            color: var(--accent-2);
        }
        .breadcrumb-nav .separator {
            color: #b0b8c4;
        }
        .breadcrumb-nav .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ===== Video cards ===== */
        .video-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .video-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: #cbd5e1;
        }
        .video-card-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary);
        }
        .video-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .video-card:hover .video-card-thumb img {
            transform: scale(1.04);
        }
        .video-play-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(14, 28, 47, 0.35);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .video-card:hover .video-play-overlay {
            opacity: 1;
        }
        .video-play-btn {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            border: 3px solid rgba(255, 255, 255, 0.7);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
            transition: transform 0.2s ease;
        }
        .video-card:hover .video-play-btn {
            transform: scale(1.08);
        }
        .video-duration {
            position: absolute;
            bottom: 8px;
            right: 8px;
            background: rgba(14, 28, 47, 0.85);
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 6px;
            letter-spacing: 0.03em;
            font-variant-numeric: tabular-nums;
        }
        .video-tag-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--accent-2);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .video-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .video-card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .video-card-desc {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .video-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--muted);
            margin-bottom: 14px;
            flex-wrap: wrap;
        }
        .video-card-meta i {
            color: var(--accent-2);
            margin-right: 4px;
        }
        .video-card .btn {
            align-self: flex-start;
            font-size: 13px;
            padding: 8px 16px;
        }

        /* ===== Stats strip ===== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
        }
        @media (max-width: 640px) {
            .stats-strip {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }
        .stat-item {
            text-align: center;
            padding: 8px;
        }
        .stat-item .stat-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-label {
            font-size: 14px;
            color: #aab7c5;
            margin-top: 4px;
            font-weight: 500;
        }
        .stat-item .stat-sublabel {
            font-size: 12px;
            color: #7d8b9c;
            margin-top: 2px;
        }

        /* ===== Topic highlight ===== */
        .topic-highlight {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: center;
        }
        .topic-highlight-img {
            flex: 0 0 240px;
            border-radius: 10px;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .topic-highlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .topic-highlight-content {
            flex: 1;
            min-width: 260px;
        }
        .topic-highlight-content h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .topic-highlight-content p {
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .topic-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .topic-tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            color: var(--primary-soft);
            transition: all 0.2s ease;
        }
        .topic-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            border-color: #cbd5e1;
            box-shadow: var(--shadow-card);
        }
        .faq-item summary {
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 650;
            font-size: 15.5px;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            list-style: none;
            transition: background 0.2s ease;
            user-select: none;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: #f8fafc;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 13px;
            color: var(--muted);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent-2);
        }
        .faq-item[open] summary {
            border-left: 4px solid var(--accent);
            background: #f8fafc;
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 22px 20px;
            font-size: 14.5px;
            color: var(--muted);
            line-height: 1.75;
            border-left: 4px solid transparent;
        }
        .faq-item[open] .faq-answer {
            border-left-color: var(--accent);
        }

        /* ===== CTA band ===== */
        .cta-band {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 36px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            box-shadow: var(--shadow-card);
        }
        .cta-band-text {
            flex: 1;
            min-width: 240px;
        }
        .cta-band-text h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-band-text p {
            font-size: 14.5px;
            color: #aab7c5;
            margin-bottom: 0;
            line-height: 1.7;
        }
        .cta-band-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex-shrink: 0;
        }

        /* ===== Related tags ===== */
        .related-tags-section {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
        }
        .related-tags-section h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .related-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .related-tag-cloud .topic-tag {
            background: var(--bg);
        }
        .related-tag-cloud .topic-tag:hover {
            background: var(--accent-2);
            color: #fff;
            border-color: var(--accent-2);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #aab7c5;
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }
        @media (max-width: 1024px) {
            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .site-footer .footer-top {
                grid-template-columns: 1fr;
            }
        }
        .site-footer .footer-brand h3 {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .site-footer .footer-brand p {
            font-size: 14px;
            color: #aab7c5;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .site-footer .footer-col h5 {
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .site-footer .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: #aab7c5;
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: #7d8b9c;
        }
        .site-footer .footer-bottom a {
            color: #aab7c5;
            transition: color 0.2s ease;
        }
        .site-footer .footer-bottom a:hover {
            color: var(--accent);
        }
        .site-footer .footer-bottom span {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-wrap: wrap;
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .grid-gap-sm {
            gap: 12px;
        }
        .grid-gap-md {
            gap: 18px;
        }
        .grid-gap-lg {
            gap: 24px;
        }

        /* ===== Page-specific hero area ===== */
        .page-hero {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 36px 0 32px;
        }
        .page-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 12px;
        }
        @media (min-width: 1024px) {
            .page-hero h1 {
                font-size: 38px;
            }
        }
        .page-hero .page-hero-desc {
            font-size: 15.5px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Responsive refinements */
        @media (max-width: 640px) {
            .header-actions {
                width: 100%;
                flex-wrap: wrap;
            }
            .search-box {
                min-width: 100%;
                flex: 1;
            }
            .btn-sm {
                padding: 8px 12px;
            }
            .channel-tab {
                padding: 7px 12px;
                font-size: 13px;
            }
            .cta-band {
                flex-direction: column;
                text-align: center;
            }
            .cta-band-actions {
                justify-content: center;
            }
            .topic-highlight {
                flex-direction: column;
            }
            .topic-highlight-img {
                flex: 0 0 auto;
                width: 100%;
            }
            .stats-strip .stat-number {
                font-size: 32px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #0E1C2F;
            --primary-soft: #173A5E;
            --accent: #1FE584;
            --accent-2: #FF6B35;
            --accent-2-dark: #E55620;
            --bg: #F4F6F8;
            --surface: #FFFFFF;
            --text: #161E29;
            --muted: #5B6773;
            --border: #E2E8EE;
            --radius-card: 12px;
            --radius-btn: 10px;
            --radius-tag: 20px;
            --shadow-card: 0 6px 18px rgba(14,28,47,0.06);
            --shadow-card-hover: 0 10px 28px rgba(14,28,47,0.12);
            --font-stack: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container-max: 1200px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            background: var(--bg);
            color: var(--text);
            line-height: 1.65;
            font-size: 15px;
            margin: 0;
            padding: 0;
        }
        a {
            color: var(--primary-soft);
            text-decoration: none;
            transition: color .2s ease;
        }
        a:hover,
        a:focus {
            color: var(--accent-2);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--accent-2);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-stack);
            font-size: 15px;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }
        section {
            padding: 56px 0;
            position: relative;
        }
        .section-alt {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-dark {
            background: var(--primary);
            color: #cbd5e1;
        }
        .section-dark .section-eyebrow { color: var(--accent); }
        .section-dark .section-title { color: #fff; }
        .section-dark .section-desc { color: #aab7c5; }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--accent-2);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 820px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(14,28,47,.04);
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 64px;
            gap: 16px;
            flex-wrap: wrap;
            padding: 8px 0;
        }
        .brand-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            text-decoration: none;
        }
        .brand-logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            font-weight: 700;
            flex-shrink: 0;
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }
        .brand-text strong {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .02em;
        }
        .brand-text small {
            font-size: 11px;
            color: var(--muted);
            letter-spacing: .03em;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 22px;
            padding: 0 14px;
            height: 38px;
            min-width: 180px;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .search-box:focus-within {
            border-color: var(--accent-2);
            box-shadow: 0 0 0 3px rgba(255,107,53,.15);
        }
        .search-box i {
            color: var(--muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 14px;
            color: var(--text);
        }
        .search-box input::placeholder { color: #9aa5b1; }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            padding: 10px 18px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all .2s ease;
            text-decoration: none;
            line-height: 1.2;
        }
        .btn-primary {
            background: var(--accent-2);
            color: #fff;
            border-color: var(--accent-2);
        }
        .btn-primary:hover {
            background: var(--accent-2-dark);
            border-color: var(--accent-2-dark);
            color: #fff;
            transform: translateY(-1px);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-sm {
            padding: 7px 14px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 13px 24px;
            font-size: 15px;
        }
        .btn-live {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 700;
        }
        .btn-live:hover {
            background: #16c974;
            border-color: #16c974;
            color: var(--primary);
        }

        .channel-tabs-bar {
            background: var(--primary);
            border-top: 1px solid rgba(255,255,255,.05);
        }
        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 6px 0;
        }
        .channel-tabs::-webkit-scrollbar { display: none; }
        .channel-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: #aab7c5;
            border-radius: var(--radius-tag);
            white-space: nowrap;
            transition: all .2s ease;
            border: 1px solid transparent;
        }
        .channel-tab i { font-size: 13px; }
        .channel-tab:hover {
            color: #fff;
            background: rgba(255,255,255,.08);
        }
        .channel-tab.active {
            color: var(--primary);
            background: var(--accent);
            font-weight: 700;
            border-color: var(--accent);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-nav {
            padding: 18px 0 0;
            margin-bottom: 0;
        }
        .breadcrumb-nav ol {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 13px;
        }
        .breadcrumb-nav li {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--muted);
        }
        .breadcrumb-nav li:not(:last-child)::after {
            content: "/";
            color: #b0b8c1;
            margin-left: 4px;
        }
        .breadcrumb-nav a {
            color: var(--primary-soft);
            font-weight: 500;
        }
        .breadcrumb-nav li[aria-current="page"] {
            color: var(--text);
            font-weight: 600;
        }

        /* ===== Category Page Header ===== */
        .category-header {
            padding: 32px 0 24px;
        }
        .category-header h1 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.25;
            letter-spacing: .01em;
        }
        .category-header .category-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 720px;
            line-height: 1.7;
        }

        /* ===== Video Cards ===== */
        .video-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .video-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .video-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary);
        }
        .video-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .video-card:hover .video-thumb img {
            transform: scale(1.04);
        }
        .video-play-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14,28,47,0) 0%, rgba(14,28,47,.55) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: .9;
            transition: opacity .2s ease;
        }
        .video-card:hover .video-play-overlay { opacity: 1; }
        .video-play-btn {
            width: 52px;
            height: 52px;
            background: rgba(255,255,255,.95);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            transition: all .2s ease;
            border: 2px solid rgba(255,255,255,.5);
        }
        .video-card:hover .video-play-btn {
            background: var(--accent);
            color: var(--primary);
            transform: scale(1.06);
        }
        .video-badge {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--accent-2);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: var(--radius-tag);
            letter-spacing: .04em;
        }
        .video-duration {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(14,28,47,.8);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 6px;
            font-variant-numeric: tabular-nums;
        }
        .video-card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .video-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            letter-spacing: .01em;
        }
        .video-card-body p {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 14px;
            line-height: 1.55;
            flex: 1;
        }
        .video-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--muted);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        .video-meta i { margin-right: 4px; }
        .video-meta .tag {
            background: var(--bg);
            color: var(--primary-soft);
            padding: 3px 10px;
            border-radius: var(--radius-tag);
            font-size: 11px;
            font-weight: 600;
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--shadow-card);
        }
        .stat-item {
            display: flex;
            align-items: center;
            gap: 14px;
            min-width: 140px;
        }
        .stat-icon {
            width: 44px;
            height: 44px;
            background: rgba(31,229,132,.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
        }
        .stat-content {
            display: flex;
            flex-direction: column;
        }
        .stat-number {
            font-size: 28px;
            font-weight: 700;
            color: var(--accent);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
            letter-spacing: .02em;
        }
        .stat-label {
            font-size: 12px;
            color: #aab7c5;
            margin-top: 2px;
            letter-spacing: .03em;
        }

        /* ===== Topic Cards ===== */
        .topic-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-card);
            transition: all .25s ease;
            display: flex;
            align-items: flex-start;
            gap: 14px;
            height: 100%;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .topic-icon {
            width: 40px;
            height: 40px;
            background: var(--bg);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-soft);
            font-size: 16px;
            flex-shrink: 0;
        }
        .topic-card h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
        }
        .topic-card p {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ===== Video List ===== */
        .video-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .video-list-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px 18px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all .2s ease;
            box-shadow: var(--shadow-card);
        }
        .video-list-item:hover {
            background: #f0f4f7;
            box-shadow: var(--shadow-card-hover);
            transform: translateX(3px);
        }
        .video-list-thumb {
            width: 100px;
            height: 56px;
            border-radius: 8px;
            overflow: hidden;
            background: var(--primary);
            flex-shrink: 0;
            position: relative;
        }
        .video-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .video-list-thumb .mini-play {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            background: rgba(14,28,47,.35);
        }
        .video-list-content {
            flex: 1;
            min-width: 0;
        }
        .video-list-content h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 3px;
            line-height: 1.4;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .video-list-content .list-date {
            font-size: 12px;
            color: var(--muted);
            letter-spacing: .02em;
        }
        .video-list-content .list-tag {
            background: var(--bg);
            color: var(--primary-soft);
            padding: 2px 8px;
            border-radius: var(--radius-tag);
            font-size: 11px;
            font-weight: 600;
            margin-left: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 860px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all .2s ease;
        }
        .faq-item summary {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color .2s ease;
            outline: none;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary .faq-icon {
            font-size: 13px;
            color: var(--accent-2);
            transition: transform .3s ease;
            flex-shrink: 0;
        }
        .faq-item[open] summary .faq-icon { transform: rotate(45deg); }
        .faq-item[open] summary { color: var(--primary); }
        .faq-answer {
            padding: 0 20px 18px 20px;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
            border-left: 3px solid var(--accent);
            margin-left: 18px;
            padding-left: 16px;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: var(--primary);
            border-radius: var(--radius-card);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-card-hover);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(31,229,132,.08);
            pointer-events: none;
        }
        .cta-banner h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            position: relative;
            z-index: 1;
        }
        .cta-banner p {
            font-size: 14px;
            color: #aab7c5;
            margin-bottom: 0;
            position: relative;
            z-index: 1;
        }
        .cta-banner .btn {
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #aab7c5;
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,.08);
        }
        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #aab7c5;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: .03em;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul a {
            font-size: 13px;
            color: #aab7c5;
            transition: color .2s ease;
        }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-bottom {
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 12px;
            color: #7d8a98;
        }
        .footer-bottom a {
            color: #aab7c5;
            font-size: 12px;
        }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .container { padding: 0 24px; }
            section { padding: 48px 0; }
            .footer-top { grid-template-columns: 1fr 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
            .category-header h1 { font-size: 28px; }
        }
        @media (max-width: 768px) {
            .container { padding: 0 18px; }
            section { padding: 40px 0; }
            .header-top-row { gap: 10px; }
            .search-box { min-width: 120px; }
            .category-header h1 { font-size: 24px; }
            .section-title { font-size: 22px; }
            .stats-strip { flex-direction: column; align-items: stretch; padding: 20px; }
            .stat-item { min-width: auto; }
            .video-list-item { flex-direction: column; align-items: flex-start; gap: 12px; }
            .video-list-thumb { width: 100%; height: 140px; }
            .video-list-content h5 { white-space: normal; }
            .cta-banner { flex-direction: column; align-items: flex-start; padding: 28px 22px; }
            .footer-top { grid-template-columns: 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
            .breadcrumb-nav { padding: 14px 0 0; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            section { padding: 32px 0; }
            .header-top-row { padding: 6px 0; }
            .brand-text strong { font-size: 17px; }
            .brand-logo-icon { width: 34px; height: 34px; font-size: 16px; }
            .search-box { display: none; }
            .channel-tabs-bar { padding: 4px 0; }
            .channel-tab { padding: 6px 12px; font-size: 12px; }
            .category-header h1 { font-size: 21px; }
            .section-title { font-size: 20px; }
            .footer-top { grid-template-columns: 1fr; gap: 20px; }
            .footer-col h5 { margin-bottom: 8px; }
            .cta-banner h3 { font-size: 18px; }
        }
        @media (min-width: 1024px) {
            section { padding: 72px 0; }
            .section-title { font-size: 30px; }
        }