/* roulang page: index */
:root {
            --primary: #1a3c5e;
            --primary-dark: #0f2940;
            --primary-light: #2a5580;
            --accent: #e8833a;
            --accent-hover: #d4722a;
            --accent-light: #fdf0e8;
            --bg: #f7f8fa;
            --bg-white: #ffffff;
            --bg-dark: #0f1a28;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-secondary: #4a5568;
            --text-weak: #7b8794;
            --text-inverse: #ffffff;
            --border: #e2e5ea;
            --border-light: #eef0f4;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-accent: 0 6px 24px rgba(232,131,58,0.25);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1260px;
            --nav-height-row1: 56px;
            --nav-height-row2: 46px;
            --nav-total: 102px;
        }

        *, *::before, *::after { 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);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a { text-decoration: none; color: inherit; }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: inherit; border: none; outline: none; }
        input { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ===== HEADER & NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            box-shadow: 0 2px 16px rgba(0,0,0,0.07);
        }

        /* Row 1: Brand + Search + CTA */
        .nav-row1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-row1);
            border-bottom: 1px solid var(--border-light);
            gap: 20px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--primary);
            letter-spacing: -0.02em;
            flex-shrink: 0;
            transition: opacity var(--transition);
        }
        .nav-brand:hover { opacity: 0.85; }
        .nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-row1-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1.5px solid var(--border);
            border-radius: 50px;
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition);
            width: 260px;
        }
        .nav-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(26,60,94,0.08);
            background: var(--bg-white);
        }
        .nav-search input {
            border: none;
            background: transparent;
            font-size: 0.9rem;
            color: var(--text);
            width: 100%;
        }
        .nav-search input::placeholder { color: var(--text-weak); }
        .nav-search .search-icon { color: var(--text-weak); font-size: 0.95rem; flex-shrink: 0; }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 9px 20px;
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .nav-cta-btn:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
        }
        .nav-cta-btn:active { transform: scale(0.97); }

        /* Row 2: Channel Tabs */
        .nav-row2 {
            display: flex;
            align-items: center;
            height: var(--nav-height-row2);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            gap: 4px;
        }
        .nav-row2::-webkit-scrollbar { display: none; }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }
        .nav-tab:hover { color: var(--primary); background: rgba(26,60,94,0.04); }
        .nav-tab.active {
            color: var(--primary);
            background: rgba(26,60,94,0.08);
            font-weight: 600;
        }
        .nav-tab .tab-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            display: none;
        }
        .nav-tab.active .tab-dot { display: block; }

        .nav-tab-new {
            font-size: 0.68rem;
            background: var(--accent);
            color: #fff;
            padding: 2px 7px;
            border-radius: 50px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-left: 2px;
        }

        /* Mobile nav toggle */
        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            padding: 4px;
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f2940 0%, #1a3c5e 40%, #1e4d78 100%);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232,131,58,0.15) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 30%, rgba(26,60,94,0.4) 0%, transparent 50%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
            padding-top: 30px;
            padding-bottom: 30px;
        }
        .hero-content { flex: 1; max-width: 600px; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.2);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge .badge-pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #4ade80;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.6); }
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
        }
        .hero h1 .highlight {
            color: var(--accent);
            position: relative;
            display: inline-block;
        }
        .hero h1 .highlight::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            opacity: 0.6;
        }
        .hero-desc {
            font-size: 1.12rem;
            color: rgba(255,255,255,0.82);
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 13px 28px;
            border-radius: 50px;
            transition: all var(--transition);
            white-space: nowrap;
            justify-content: center;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(232,131,58,0.35);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn:active { transform: scale(0.96); }

        .hero-visual {
            flex: 0 0 420px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-card {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.18);
            border-radius: var(--radius-xl);
            padding: 28px;
            backdrop-filter: blur(8px);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .hero-stat-item {
            text-align: center;
            padding: 14px 8px;
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius);
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .hero-stat-num span { color: var(--accent); }
        .hero-stat-label {
            font-size: 0.78rem;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }

        /* ===== SECTION COMMON ===== */
        .section { padding: 64px 0; }
        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            background: var(--accent-light);
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 10px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-weak);
            max-width: 520px;
            margin: 0 auto;
        }

        /* ===== ADVANTAGE CARDS ===== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .advantage-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .advantage-card:hover::before { opacity: 1; }
        .advantage-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            background: var(--accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            color: var(--accent);
        }
        .advantage-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.55;
        }

        /* ===== PRODUCT CATEGORY GRID ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            cursor: pointer;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .category-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover img { transform: scale(1.06); }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15,26,40,0.85) 0%, rgba(15,26,40,0.25) 50%, rgba(15,26,40,0.05) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
        }
        .category-card-overlay h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .category-card-overlay .cat-count {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.75);
        }
        .category-card-overlay .cat-arrow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-size: 0.8rem;
            margin-top: 10px;
            transition: all var(--transition);
        }
        .category-card:hover .cat-arrow {
            background: #fff;
            color: var(--accent);
        }

        /* ===== NEWS / CMS LIST ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
            align-items: start;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .news-item {
            display: flex;
            gap: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 18px 20px;
            transition: all var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
            transform: translateX(3px);
        }
        .news-item-thumb {
            flex: 0 0 140px;
            height: 90px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item-body { flex: 1; min-width: 0; }
        .news-item-body h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item-body h4 a { color: inherit; transition: color var(--transition); }
        .news-item-body h4 a:hover { color: var(--primary-light); }
        .news-item-meta {
            font-size: 0.8rem;
            color: var(--text-weak);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .news-item-meta .tag {
            display: inline-block;
            font-size: 0.74rem;
            font-weight: 500;
            background: var(--accent-light);
            color: var(--accent);
            padding: 2px 10px;
            border-radius: 50px;
        }

        .news-sidebar {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            position: sticky;
            top: calc(var(--nav-total) + 20px);
        }
        .news-sidebar h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .news-sidebar h3 i { color: var(--accent); }
        .hot-list { display: flex; flex-direction: column; gap: 10px; }
        .hot-item {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
        }
        .hot-item:hover { background: var(--bg); }
        .hot-rank {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--accent);
            flex-shrink: 0;
            width: 28px;
            text-align: center;
        }
        .hot-item:nth-child(1) .hot-rank { color: #e8833a; }
        .hot-item:nth-child(2) .hot-rank { color: #d4722a; }
        .hot-item:nth-child(3) .hot-rank { color: #c06120; }
        .hot-item-body h5 {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-item-body .hot-date { font-size: 0.75rem; color: var(--text-weak); margin-top: 3px; }

        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-weak);
            font-size: 0.95rem;
        }

        /* ===== PROCESS / TIMELINE ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .process-card {
            text-align: center;
            padding: 30px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            position: relative;
            transition: all var(--transition);
        }
        .process-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }
        .process-step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }
        .process-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .process-card p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.5;
        }
        .process-connector {
            display: none;
        }

        /* ===== STATS BAR ===== */
        .stats-section {
            background: var(--primary);
            padding: 48px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .stat-item .stat-unit {
            font-size: 1rem;
            color: var(--accent);
            font-weight: 700;
        }
        .stat-item .stat-label {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: all var(--transition);
        }
        .faq-question:hover { background: var(--bg); }
        .faq-question i { color: var(--text-weak); transition: transform var(--transition); font-size: 0.8rem; }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--accent); }
        .faq-item.open { border-color: var(--accent); box-shadow: var(--shadow-sm); }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 70px 0;
            background: linear-gradient(135deg, #1a3c5e 0%, #0f2940 100%);
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255,255,255,0.78);
            margin-bottom: 26px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            font-size: 1rem;
            padding: 15px 36px;
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.65;
            color: rgba(255,255,255,0.55);
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul li a {
            font-size: 0.86rem;
            color: rgba(255,255,255,0.55);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-contact p {
            font-size: 0.86rem;
            color: rgba(255,255,255,0.55);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact p i { color: var(--accent); width: 16px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .container { padding: 0 20px; }
            .hero .container { flex-direction: column; gap: 36px; }
            .hero-content { max-width: 100%; text-align: center; }
            .hero-actions { justify-content: center; }
            .hero h1 { font-size: 2.2rem; }
            .hero-visual { flex: 0 0 auto; width: 100%; max-width: 400px; }
            .hero-visual-card { grid-template-columns: 1fr 1fr; }
            .advantage-grid { grid-template-columns: repeat(2, 1fr); }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .news-layout { grid-template-columns: 1fr; }
            .news-sidebar { position: static; }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height-row1: 50px;
                --nav-height-row2: 42px;
                --nav-total: 92px;
            }
            .nav-search { width: 180px; padding: 6px 12px; font-size: 0.82rem; }
            .nav-cta-btn { font-size: 0.8rem; padding: 7px 14px; }
            .nav-brand { font-size: 1.15rem; }
            .nav-brand .brand-icon { width: 30px; height: 30px; font-size: 0.9rem; }
            .nav-tab { font-size: 0.8rem; padding: 5px 12px; }
            .section { padding: 44px 0; }
            .section-header h2 { font-size: 1.6rem; }
            .hero { min-height: 440px; }
            .hero h1 { font-size: 1.8rem; }
            .hero-desc { font-size: 0.95rem; }
            .hero-visual-card { padding: 18px; gap: 10px; }
            .hero-stat-num { font-size: 1.3rem; }
            .hero-stat-label { font-size: 0.7rem; }
            .advantage-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .category-grid { grid-template-columns: 1fr; gap: 14px; }
            .category-card { aspect-ratio: 16/9; }
            .news-item { flex-direction: column; padding: 14px; }
            .news-item-thumb { flex: 0 0 auto; width: 100%; height: 160px; }
            .process-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .stat-item .stat-num { font-size: 1.8rem; }
            .cta-section h2 { font-size: 1.5rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 14px; }
            .nav-search { display: none; }
            .nav-row1-right { gap: 8px; }
            .nav-cta-btn { font-size: 0.78rem; padding: 6px 12px; }
            .nav-brand { font-size: 1rem; }
            .nav-tab { font-size: 0.76rem; padding: 4px 10px; }
            .hero { min-height: 380px; }
            .hero h1 { font-size: 1.5rem; }
            .hero-desc { font-size: 0.85rem; }
            .hero-visual { display: none; }
            .btn { font-size: 0.85rem; padding: 10px 20px; }
            .advantage-grid { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; gap: 20px; }
            .faq-question { font-size: 0.88rem; padding: 14px 16px; }
            .section-header h2 { font-size: 1.35rem; }
            .section { padding: 34px 0; }
        }

/* roulang page: article */
:root {
            --color-primary: #1a3c5e;
            --color-primary-deep: #0f2640;
            --color-primary-light: #1e5080;
            --color-accent: #f4811f;
            --color-accent-hover: #e07010;
            --color-accent-light: #fff5eb;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0d1b2a;
            --color-text: #1a1a2e;
            --color-text-secondary: #5a5f6e;
            --color-text-muted: #8b8f9a;
            --color-border: #e2e5ea;
            --color-border-light: #edf0f4;
            --color-tag-bg: #eef2f7;
            --color-tag-text: #3d5068;
            --color-success: #10b981;
            --color-warm: #f59e0b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 32px rgba(0,0,0,0.10), 0 4px 12px rgba(0,0,0,0.05);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12), 0 6px 16px rgba(0,0,0,0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --header-height-row1: 56px;
            --header-height-row2: 48px;
        }

        *, *::before, *::after {
            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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--color-bg-white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
        }

        .nav-row1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height-row1);
            gap: 16px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-primary);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-brand:hover {
            color: var(--color-primary-light);
        }
        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-row1-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            border: 1.5px solid transparent;
            transition: all var(--transition-fast);
            min-width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--color-accent);
            background: var(--color-bg-white);
            box-shadow: 0 0 0 4px rgba(244,129,31,0.08);
        }
        .nav-search .search-icon {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .nav-search input {
            border: none;
            background: transparent;
            outline: none;
            width: 100%;
            font-size: 0.9rem;
            color: var(--color-text);
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: var(--color-text-muted);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 20px;
            border-radius: 24px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(244,129,31,0.35);
        }
        .nav-cta-btn:active {
            transform: translateY(0);
        }

        /* Row 2: Channel Tabs */
        .nav-row2 {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--header-height-row2);
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding-bottom: 2px;
        }
        .nav-row2::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            flex-shrink: 0;
        }
        .nav-tab:hover {
            color: var(--color-primary);
            background: rgba(26,60,94,0.04);
        }
        .nav-tab.active {
            color: var(--color-primary);
            background: rgba(26,60,94,0.07);
            font-weight: 600;
        }
        .nav-tab .tab-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-text-muted);
            flex-shrink: 0;
            transition: background var(--transition-fast);
        }
        .nav-tab.active .tab-dot {
            background: var(--color-accent);
            box-shadow: 0 0 6px rgba(244,129,31,0.5);
        }
        .nav-tab-new {
            font-size: 0.65rem;
            background: #ef4444;
            color: #fff;
            padding: 2px 6px;
            border-radius: 3px;
            font-weight: 700;
            line-height: 1;
            letter-spacing: 0.02em;
            animation: pulse-new 1.8s ease-in-out infinite;
        }
        @keyframes pulse-new {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            background: linear-gradient(170deg, var(--color-primary-deep) 0%, var(--color-primary) 40%, #1a4068 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 40px 0 30px;
            position: relative;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(15,38,64,0.55), rgba(15,38,64,0.75));
            pointer-events: none;
        }
        .article-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.75);
            margin-bottom: 10px;
        }
        .breadcrumb a {
            color: rgba(255,255,255,0.85);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            color: rgba(255,255,255,0.45);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-accent);
            font-weight: 500;
        }
        .banner-category-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .banner-article-title {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 700;
            line-height: 1.35;
            max-width: 800px;
        }
        .banner-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            color: rgba(255,255,255,0.7);
            font-size: 0.85rem;
            margin-top: 8px;
            flex-wrap: wrap;
        }
        .banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== MAIN LAYOUT ========== */
        .article-main {
            flex: 1;
            padding: 40px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        /* ========== ARTICLE CONTENT ========== */
        .article-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .article-featured-image {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
            display: block;
        }
        .article-body {
            padding: 32px 36px 40px;
        }
        .article-body .article-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 20px;
        }
        .article-tag {
            display: inline-block;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            font-size: 0.78rem;
            padding: 5px 12px;
            border-radius: 16px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .article-tag:hover {
            background: #dce3ed;
            color: var(--color-primary);
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.85;
            color: var(--color-text);
        }
        .article-content h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 32px 0 14px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-border-light);
        }
        .article-content h3 {
            font-size: 1.18rem;
            font-weight: 600;
            color: var(--color-text);
            margin: 24px 0 10px;
        }
        .article-content p {
            margin-bottom: 16px;
            text-align: justify;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 16px;
            padding-left: 24px;
        }
        .article-content li {
            margin-bottom: 6px;
        }
        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content blockquote {
            border-left: 4px solid var(--color-accent);
            background: var(--color-accent-light);
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #7a4a1a;
            font-style: italic;
        }
        .article-content strong {
            color: var(--color-primary);
            font-weight: 600;
        }
        .article-content a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--color-accent-hover);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.9rem;
        }
        .article-content table th,
        .article-content table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-content table th {
            background: var(--color-bg);
            font-weight: 600;
            color: var(--color-primary);
        }

        .article-share-row {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
            flex-wrap: wrap;
        }
        .article-share-row .share-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            font-size: 0.9rem;
        }
        .share-btn:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--header-height-row1) + var(--header-height-row2) + 20px);
        }

        .sidebar-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 22px 20px;
            border: 1px solid var(--color-border-light);
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h4::before {
            content: '';
            width: 4px;
            height: 20px;
            background: var(--color-accent);
            border-radius: 2px;
            flex-shrink: 0;
        }

        .hot-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .hot-list li {
            counter-increment: hot-counter;
        }
        .hot-list li a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 10px 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            border-bottom: 1px solid var(--color-border-light);
        }
        .hot-list li:last-child a {
            border-bottom: none;
        }
        .hot-list li a:hover {
            background: rgba(26,60,94,0.03);
        }
        .hot-rank {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
            background: var(--color-bg);
            color: var(--color-text-muted);
        }
        .hot-list li:nth-child(1) .hot-rank {
            background: #ef4444;
            color: #fff;
        }
        .hot-list li:nth-child(2) .hot-rank {
            background: #f59e0b;
            color: #fff;
        }
        .hot-list li:nth-child(3) .hot-rank {
            background: #f4811f;
            color: #fff;
        }
        .hot-info {
            flex: 1;
            min-width: 0;
        }
        .hot-info .hot-title {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .hot-list li a:hover .hot-title {
            color: var(--color-primary);
        }
        .hot-info .hot-date {
            font-size: 0.72rem;
            color: var(--color-text-muted);
            margin-top: 3px;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
        }
        .tag-cloud .cloud-tag {
            display: inline-block;
            padding: 6px 13px;
            border-radius: 18px;
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--color-tag-bg);
            color: var(--color-tag-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .tag-cloud .cloud-tag:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-cta-card {
            background: linear-gradient(145deg, var(--color-primary-deep), var(--color-primary));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .sidebar-cta-card .cta-icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(255,255,255,0.18);
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .sidebar-cta-card h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .sidebar-cta-card p {
            font-size: 0.82rem;
            opacity: 0.85;
            margin-bottom: 14px;
            line-height: 1.5;
        }
        .sidebar-cta-card .cta-side-btn {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 9px 22px;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: all var(--transition-fast);
        }
        .sidebar-cta-card .cta-side-btn:hover {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-lg);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: 0 0 60px;
        }
        .related-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .related-section .section-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section .section-title::after {
            content: '';
            flex: 1;
            height: 2px;
            background: var(--color-border);
            min-width: 40px;
            border-radius: 1px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .related-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 16px 18px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-cat {
            font-size: 0.72rem;
            color: var(--color-accent);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .related-card-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
            transition: color var(--transition-fast);
        }
        .related-card:hover .related-card-title {
            color: var(--color-primary);
        }
        .related-card-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 8px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary-deep) 0%, #132d4a 40%, var(--color-primary) 100%);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 56px 0;
            position: relative;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(13,27,42,0.5);
            pointer-events: none;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.8);
            font-size: 1rem;
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-btn-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            transition: all var(--transition-fast);
            box-shadow: 0 6px 20px rgba(244,129,31,0.4);
        }
        .cta-btn-primary-lg:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(244,129,31,0.5);
        }
        .cta-btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 28px;
            border: 2px solid rgba(255,255,255,0.5);
            transition: all var(--transition-fast);
        }
        .cta-btn-outline-lg:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ========== NOT FOUND STATE ========== */
        .not-found-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 60px 40px;
            text-align: center;
        }
        .not-found-card .nf-icon {
            font-size: 3rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }
        .not-found-card h2 {
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .not-found-card p {
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }
        .not-found-card .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 24px;
            transition: all var(--transition-fast);
        }
        .not-found-card .back-home-btn:hover {
            background: var(--color-primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            opacity: 0.8;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.65);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-contact p {
            font-size: 0.85rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact i {
            color: var(--color-accent);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            opacity: 0.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .sidebar-cta-card {
                grid-column: 1 / -1;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .article-body {
                padding: 24px 20px 28px;
            }
            .banner-article-title {
                font-size: 1.35rem;
            }
        }

        @media (max-width: 768px) {
            .nav-row1 {
                height: auto;
                padding: 10px 0;
                flex-wrap: wrap;
            }
            .nav-search {
                min-width: 140px;
                padding: 7px 12px;
            }
            .nav-search input {
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 8px 14px;
            }
            .nav-row2 {
                gap: 2px;
                padding-bottom: 4px;
            }
            .nav-tab {
                padding: 7px 13px;
                font-size: 0.8rem;
            }
            .article-banner {
                padding: 28px 0 22px;
            }
            .banner-article-title {
                font-size: 1.15rem;
            }
            .article-body {
                padding: 20px 16px 24px;
            }
            .article-content {
                font-size: 0.95rem;
                line-height: 1.75;
            }
            .article-content h2 {
                font-size: 1.2rem;
            }
            .article-content h3 {
                font-size: 1.05rem;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .related-card-title {
                font-size: 0.85rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 12px;
                padding-right: 12px;
            }
            .nav-row1 {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                padding: 8px 0;
            }
            .nav-brand {
                justify-content: center;
            }
            .nav-row1-right {
                justify-content: center;
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-search {
                min-width: 0;
                flex: 1;
                max-width: 200px;
            }
            .nav-cta-btn {
                font-size: 0.78rem;
                padding: 7px 12px;
            }
            .nav-row2 {
                justify-content: flex-start;
                gap: 0;
            }
            .nav-tab {
                padding: 6px 10px;
                font-size: 0.75rem;
                border-radius: 18px;
            }
            .banner-article-title {
                font-size: 1rem;
            }
            .banner-meta {
                font-size: 0.75rem;
                gap: 8px;
            }
            .article-body {
                padding: 16px 12px 20px;
            }
            .article-content {
                font-size: 0.9rem;
                line-height: 1.7;
            }
            .article-content h2 {
                font-size: 1.1rem;
                margin: 20px 0 10px;
            }
            .article-content h3 {
                font-size: 0.98rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .related-card {
                flex-direction: row;
                align-items: stretch;
            }
            .related-card-img {
                width: 120px;
                aspect-ratio: 4 / 3;
                flex-shrink: 0;
            }
            .related-card-body {
                padding: 10px 12px;
                justify-content: center;
            }
            .related-card-title {
                font-size: 0.82rem;
                -webkit-line-clamp: 3;
            }
            .not-found-card {
                padding: 40px 20px;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
            .cta-btn-primary-lg,
            .cta-btn-outline-lg {
                width: 100%;
                justify-content: center;
                font-size: 0.9rem;
                padding: 12px 24px;
            }
            .article-share-row {
                gap: 8px;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #f97316;
            --color-primary-dark: #ea580c;
            --color-primary-light: #fdba74;
            --color-primary-bg: #fff7ed;
            --color-secondary: #1e293b;
            --color-secondary-light: #334155;
            --color-text: #1e293b;
            --color-text-soft: #475569;
            --color-text-muted: #94a3b8;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-card: #ffffff;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-accent-red: #dc2626;
            --color-accent-green: #16a34a;
            --color-accent-amber: #f59e0b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.12), 0 4px 8px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1280px;
            --header-height-row1: 56px;
            --header-height-row2: 48px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            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-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            background: #ffffff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 var(--color-border), var(--shadow-xs);
        }

        .nav-row1 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height-row1);
            gap: 20px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--color-secondary);
            white-space: nowrap;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-brand:hover {
            opacity: 0.8;
        }

        .brand-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            color: #ffffff;
            font-size: 1.1rem;
        }

        .nav-row1-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: var(--color-bg-alt);
            border-radius: 24px;
            padding: 8px 16px;
            gap: 8px;
            border: 1px solid transparent;
            transition: all var(--transition-base);
            min-width: 220px;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #ffffff;
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
        }

        .nav-search .search-icon {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .nav-search input {
            background: transparent;
            width: 100%;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .nav-search input::placeholder {
            color: var(--color-text-muted);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 24px;
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .nav-row2 {
            display: flex;
            align-items: center;
            height: var(--header-height-row2);
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid var(--color-border-light);
        }

        .nav-row2::-webkit-scrollbar {
            display: none;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-base);
            position: relative;
            flex-shrink: 0;
            cursor: pointer;
        }

        .nav-tab:hover {
            color: var(--color-primary);
            background: var(--color-primary-bg);
        }

        .nav-tab.active {
            color: var(--color-primary);
            background: var(--color-primary-bg);
            font-weight: 600;
        }

        .nav-tab .tab-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-text-muted);
            transition: background var(--transition-base);
            flex-shrink: 0;
        }

        .nav-tab.active .tab-dot {
            background: var(--color-primary);
        }

        .nav-tab-new {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 10px;
            background: var(--color-accent-red);
            color: #ffffff;
            line-height: 1;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        @media (max-width: 768px) {
            .nav-row1 {
                height: auto;
                padding: 12px 0;
                flex-wrap: wrap;
            }
            .nav-search {
                display: none;
            }
            .nav-brand {
                font-size: 1.1rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
            .nav-row2 {
                gap: 2px;
            }
            .nav-tab {
                padding: 8px 14px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
        }

        @media (max-width: 480px) {
            .nav-row1-right {
                gap: 8px;
            }
            .nav-cta-btn {
                padding: 7px 12px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .nav-cta-btn i {
                font-size: 0.7rem;
            }
            .nav-tab {
                padding: 7px 11px;
                font-size: 0.75rem;
            }
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            padding: 14px 0;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-text-soft);
            transition: color var(--transition-fast);
        }

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

        .breadcrumb .separator {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }

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

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            padding: 60px 0 70px;
            background: linear-gradient(160deg, #1e293b 0%, #334155 40%, #1e293b 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.3;
            z-index: 1;
        }

        .cat-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 41, 59, 0.5) 0%, rgba(30, 41, 59, 0.85) 100%);
            z-index: 2;
        }

        .cat-hero .container {
            position: relative;
            z-index: 3;
        }

        .cat-hero-content {
            max-width: 700px;
        }

        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            background: rgba(249, 115, 22, 0.25);
            color: var(--color-primary-light);
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            border: 1px solid rgba(249, 115, 22, 0.35);
            backdrop-filter: blur(4px);
        }

        .cat-hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .cat-hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

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

        .cat-hero-stat {
            text-align: left;
        }

        .cat-hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1;
            margin-bottom: 4px;
        }

        .cat-hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .cat-hero {
                padding: 40px 0 50px;
                min-height: 280px;
            }
            .cat-hero-title {
                font-size: 2rem;
            }
            .cat-hero-desc {
                font-size: 1rem;
            }
            .cat-hero-stats {
                gap: 20px;
            }
            .cat-hero-stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .cat-hero {
                padding: 30px 0 40px;
                min-height: auto;
            }
            .cat-hero-title {
                font-size: 1.6rem;
            }
            .cat-hero-desc {
                font-size: 0.9rem;
            }
            .cat-hero-stats {
                gap: 16px;
            }
            .cat-hero-stat-number {
                font-size: 1.3rem;
            }
            .cat-hero-stat-label {
                font-size: 0.75rem;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 56px 0;
        }

        .section-header {
            text-align: left;
            margin-bottom: 32px;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

        /* ===== Tag Filter Bar ===== */
        .tag-filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 8px 0;
        }

        .tag-filter {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 22px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-soft);
            background: #ffffff;
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
            user-select: none;
        }

        .tag-filter:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary);
            background: var(--color-primary-bg);
        }

        .tag-filter.active {
            background: var(--color-primary);
            color: #ffffff;
            border-color: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .tag-filter-count {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            min-width: 20px;
            height: 20px;
            border-radius: 10px;
            padding: 0 6px;
            margin-left: 6px;
            background: rgba(0, 0, 0, 0.06);
            color: var(--color-text-muted);
        }

        .tag-filter.active .tag-filter-count {
            background: rgba(255, 255, 255, 0.25);
            color: #ffffff;
        }

        @media (max-width: 520px) {
            .tag-filter-bar {
                gap: 6px;
            }
            .tag-filter {
                padding: 6px 14px;
                font-size: 0.8rem;
                border-radius: 18px;
            }
        }

        /* ===== Cover Grid ===== */
        .cover-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .cover-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .cover-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .cover-card-img-wrap {
            position: relative;
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: var(--color-bg-alt);
        }

        .cover-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .cover-card:hover .cover-card-img-wrap img {
            transform: scale(1.06);
        }

        .cover-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 0.72rem;
            font-weight: 700;
            background: var(--color-primary);
            color: #ffffff;
            z-index: 2;
            letter-spacing: 0.02em;
        }

        .cover-card-badge.hot {
            background: var(--color-accent-red);
        }

        .cover-card-badge.new {
            background: var(--color-accent-green);
        }

        .cover-card-body {
            padding: 16px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .cover-card-tag {
            font-size: 0.75rem;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .cover-card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cover-card-excerpt {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cover-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 14px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }

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

        @media (max-width: 1024px) {
            .cover-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .cover-card-img-wrap {
                height: 180px;
            }
        }

        @media (max-width: 600px) {
            .cover-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cover-card-img-wrap {
                height: 200px;
            }
        }

        /* ===== Hot Ranking ===== */
        .ranking-section-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .ranking-list {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 20px 24px;
        }

        .ranking-list-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-primary);
            display: inline-block;
        }

        .ranking-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-item:hover {
            background: var(--color-bg);
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: var(--radius-sm);
        }

        .ranking-num {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.95rem;
            color: #ffffff;
            background: var(--color-text-muted);
        }

        .ranking-num.top1 {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }
        .ranking-num.top2 {
            background: linear-gradient(135deg, #94a3b8, #64748b);
        }
        .ranking-num.top3 {
            background: linear-gradient(135deg, #d97706, #b45309);
        }

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

        .ranking-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-secondary);
            line-height: 1.3;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-info p {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        .ranking-thumb {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            background: var(--color-bg-alt);
        }

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

        @media (max-width: 768px) {
            .ranking-section-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Horizontal Scroll Cards ===== */
        .hscroll-wrapper {
            position: relative;
        }

        .hscroll-track {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 8px 0 16px;
            scroll-snap-type: x mandatory;
        }

        .hscroll-track::-webkit-scrollbar {
            display: none;
        }

        .hscroll-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
            flex-shrink: 0;
        }

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

        .hscroll-card-img {
            width: 100%;
            height: 170px;
            background: var(--color-bg-alt);
        }

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

        .hscroll-card-body {
            padding: 14px 16px 18px;
        }

        .hscroll-card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin-bottom: 6px;
            line-height: 1.3;
        }

        .hscroll-card-body p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        .hscroll-card-label {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 8px;
            background: var(--color-primary-bg);
            color: var(--color-primary);
        }

        @media (max-width: 520px) {
            .hscroll-card {
                flex: 0 0 260px;
            }
            .hscroll-card-img {
                height: 150px;
            }
        }

        /* ===== Update Feed ===== */
        .feed-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .feed-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 20px;
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
            margin-bottom: 8px;
        }

        .feed-item:hover {
            background: var(--color-bg);
            border-color: var(--color-border);
            box-shadow: var(--shadow-xs);
        }

        .feed-dot {
            flex-shrink: 0;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-primary);
            margin-top: 6px;
            position: relative;
        }

        .feed-dot::after {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: 0.3;
            animation: pulse-ring 2s ease-in-out infinite;
        }

        @keyframes pulse-ring {
            0%,
            100% {
                transform: scale(1);
                opacity: 0.3;
            }
            50% {
                transform: scale(1.8);
                opacity: 0;
            }
        }

        .feed-content {
            flex: 1;
            min-width: 0;
        }

        .feed-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-secondary);
            margin-bottom: 4px;
            line-height: 1.4;
        }

        .feed-content p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .feed-time {
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            padding-top: 2px;
        }

        @media (max-width: 520px) {
            .feed-item {
                padding: 12px 14px;
                gap: 10px;
            }
            .feed-time {
                display: none;
            }
        }

        /* ===== CTA Block ===== */
        .cta-block {
            background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #1e293b 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(249, 115, 22, 0.15) 0%, transparent 60%);
            z-index: 1;
        }

        .cta-block>* {
            position: relative;
            z-index: 2;
        }

        .cta-block-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .cta-block-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-primary);
            color: #ffffff;
            transition: all var(--transition-base);
        }

        .btn-primary-lg:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-base);
        }

        .btn-outline-lg:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 520px) {
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block-title {
                font-size: 1.4rem;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
        }

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

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

        .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
        }

        .faq-q i {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

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

        .faq-a {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-base);
            color: var(--color-text-soft);
            font-size: 0.88rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-a {
            padding: 0 22px 18px;
            max-height: 300px;
        }

        @media (max-width: 520px) {
            .faq-q {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
            .faq-item.open .faq-a {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #1e293b;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand-name {
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }

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

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

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

        .footer-contact p {
            font-size: 0.85rem;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact p i {
            color: var(--color-primary-light);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
        }

        /* ===== Utility ===== */
        .bg-white {
            background: #ffffff;
        }
        .bg-light {
            background: var(--color-bg-alt);
        }