/* roulang page: index */
:root {
            --primary: #1B5E3B;
            --primary-dark: #144A2E;
            --primary-light: #2D7A4F;
            --accent: #FF5A1F;
            --accent-hover: #E54A10;
            --bg: #F7F6F1;
            --card-bg: #FFFFFF;
            --dark: #10251B;
            --dark-footer: #141B18;
            --text-primary: #1E1D1A;
            --text-secondary: #5C5A55;
            --text-on-dark: #F8F7F2;
            --border: rgba(0, 0, 0, 0.06);
            --border-strong: rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.25);
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-bg);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 24px;
            max-width: 1360px;
            margin: 0 auto;
            gap: 20px;
        }

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

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 700;
        }

        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 94, 59, 0.12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-primary);
            width: 100%;
            padding: 4px 0;
        }

        .search-box input::placeholder {
            color: #9A9890;
        }

        .search-box .fa-search {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .btn-login {
            padding: 8px 18px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-register {
            padding: 8px 18px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-register:hover {
            background: var(--accent-hover);
            color: #fff;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            padding: 4px;
        }

        .channel-row {
            border-top: 1px solid var(--border);
            background: var(--card-bg);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
            height: 48px;
            overflow-x: auto;
            scrollbar-width: thin;
            -webkit-overflow-scrolling: touch;
        }

        .channel-nav::-webkit-scrollbar {
            height: 3px;
        }

        .channel-nav::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 3px;
        }

        .channel-nav a {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }

        .channel-nav a:hover {
            color: var(--primary);
            border-bottom-color: var(--border-strong);
        }

        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
            font-weight: 700;
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 99;
            opacity: 0;
            transition: opacity var(--transition);
        }

        .mobile-drawer.open {
            display: block;
            opacity: 1;
        }

        .drawer-panel {
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 280px;
            background: var(--card-bg);
            padding: 24px 20px;
            overflow-y: auto;
            transform: translateX(-100%);
            transition: transform var(--transition);
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.15);
        }

        .mobile-drawer.open .drawer-panel {
            transform: translateX(0);
        }

        .drawer-panel a {
            display: block;
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            border-radius: var(--radius-sm);
        }

        .drawer-panel a:hover {
            background: var(--bg);
            color: var(--primary);
        }

        .drawer-panel a.active {
            color: var(--primary);
            background: rgba(27, 94, 59, 0.06);
            border-left: 3px solid var(--accent);
        }

        .drawer-close {
            display: flex;
            justify-content: flex-end;
            margin-bottom: 16px;
        }

        .drawer-close button {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-secondary);
            padding: 4px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: var(--dark);
            color: var(--text-on-dark);
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(16, 37, 27, 0.92) 0%, rgba(27, 94, 59, 0.65) 55%, rgba(16, 37, 27, 0.88) 100%), url('/assets/images/b28cf6ad0888a5f7.webp') center/cover no-repeat;
            z-index: 1;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 60%, rgba(255, 90, 31, 0.15) 0%, transparent 55%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 96px 0;
            width: 100%;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 0.9fr;
            gap: 56px;
            align-items: center;
        }

        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 90, 31, 0.15);
            border: 1px solid rgba(255, 90, 31, 0.35);
            color: #FFB59A;
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            width: fit-content;
        }

        .hero-badge .fa-circle {
            font-size: 6px;
            color: var(--accent);
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .hero h1 .highlight {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 18px;
            line-height: 1.9;
            color: rgba(248, 247, 242, 0.85);
            margin: 0;
            max-width: 520px;
        }

        .hero-cta {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stats {
            display: flex;
            gap: 32px;
            margin-top: 20px;
            flex-wrap: wrap;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

        .hero-stat-num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 13px;
            color: rgba(248, 247, 242, 0.65);
            letter-spacing: 0.5px;
        }

        .hero-right {
            display: flex;
            justify-content: center;
            position: relative;
        }

        .hero-featured-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px;
            width: 100%;
            max-width: 420px;
            box-shadow: var(--shadow-dark);
        }

        .hero-featured-card .card-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .hero-featured-card .match-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-featured-card .match-item:last-child {
            border-bottom: none;
        }

        .match-team {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
        }

        .match-score {
            font-size: 18px;
            font-weight: 800;
            color: var(--accent);
            background: rgba(255, 90, 31, 0.12);
            padding: 4px 14px;
            border-radius: var(--radius-sm);
            letter-spacing: 1px;
        }

        .match-time {
            font-size: 12px;
            color: rgba(248, 247, 242, 0.6);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            border: none;
            text-align: center;
            line-height: 1.4;
        }

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

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 90, 31, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline-green {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline-green:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-green {
            background: var(--primary);
            color: #fff;
        }

        .btn-green:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(27, 94, 59, 0.3);
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 13px;
        }

        .btn-block {
            width: 100%;
        }

        /* ===== Sections ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: var(--card-bg);
        }

        .section-dark {
            background: var(--dark);
            color: var(--text-on-dark);
        }

        .section-header {
            margin-bottom: 48px;
        }

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

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

        .section-header.center .section-tag::after {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 12px;
            line-height: 1.35;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 680px;
            line-height: 1.85;
        }

        .section-header.center p {
            margin-left: auto;
            margin-right: auto;
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        .section-dark .section-header p {
            color: rgba(248, 247, 242, 0.7);
        }

        /* ===== Score ticker section ===== */
        .ticker-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 16px 4px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }

        .ticker-scroll::-webkit-scrollbar {
            height: 4px;
        }

        .ticker-scroll::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 4px;
        }

        .score-card {
            flex: 0 0 240px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .score-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--border-strong);
        }

        .score-card .league {
            font-size: 11px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .score-card .league .dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
        }

        .score-card .matchup {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        .score-card .team {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .score-card .score-num {
            font-size: 20px;
            font-weight: 800;
            color: var(--accent);
            background: rgba(255, 90, 31, 0.08);
            padding: 2px 10px;
            border-radius: 6px;
            min-width: 48px;
            text-align: center;
        }

        .score-card .status {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        /* ===== Feature cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.85fr 0.85fr;
            gap: 24px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            opacity: 0;
            transition: opacity var(--transition);
        }

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

        .feature-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
            border-color: var(--border-strong);
        }

        .feature-card.large {
            grid-row: span 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            background: rgba(27, 94, 59, 0.08);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .feature-card.large .feature-icon {
            width: 64px;
            height: 64px;
            font-size: 28px;
            border-radius: 16px;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .feature-card.large h3 {
            font-size: 24px;
        }

        .feature-card p {
            font-size: 14.5px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.8;
        }

        .feature-card.large p {
            font-size: 16px;
        }

        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 16px;
            transition: all var(--transition);
        }

        .feature-link:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* ===== Brand intro ===== */
        .brand-intro {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-card);
        }

        .brand-intro .intro-content {
            max-width: 900px;
            margin: 0 auto;
        }

        .brand-intro h2 {
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 20px;
        }

        .brand-intro p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 2;
            margin: 0 0 16px;
        }

        .brand-intro p:last-child {
            margin-bottom: 0;
        }

        /* ===== Scenario cards ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

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

        .scenario-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }

        .scenario-icon {
            font-size: 28px;
            color: var(--accent);
            margin-bottom: 14px;
        }

        .scenario-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
        }

        .scenario-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.75;
        }

        /* ===== Demo showcase ===== */
        .demo-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .demo-visual {
            background: var(--dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-dark);
        }

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

        .demo-overlay-tag {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(16, 37, 27, 0.85);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        .demo-info h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 16px;
        }

        .demo-info p {
            font-size: 15.5px;
            color: var(--text-secondary);
            line-height: 1.9;
            margin: 0 0 16px;
        }

        .demo-points {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .demo-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.7;
        }

        .demo-points li .fa-check-circle {
            color: var(--primary);
            margin-top: 5px;
            font-size: 16px;
            flex-shrink: 0;
        }

        /* ===== Topic cards ===== */
        .topic-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 8px 4px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
        }

        .topic-track::-webkit-scrollbar {
            height: 4px;
        }

        .topic-track::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 4px;
        }

        .topic-card {
            flex: 0 0 320px;
            scroll-snap-align: start;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

        .topic-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }

        .topic-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .topic-card:hover img {
            transform: scale(1.04);
        }

        .topic-card .topic-body {
            padding: 20px;
        }

        .topic-card .topic-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }

        .topic-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.45;
        }

        .topic-card p {
            font-size: 13.5px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== Pricing ===== */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            align-items: stretch;
        }

        .price-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .price-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .price-card.featured {
            background: var(--dark);
            color: var(--text-on-dark);
            border-color: var(--dark);
            box-shadow: 0 12px 40px rgba(16, 37, 27, 0.3);
            transform: translateY(-8px);
        }

        .price-card.featured:hover {
            transform: translateY(-10px);
        }

        .price-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .price-card .plan-name {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .price-card.featured .plan-name {
            color: #fff;
        }

        .price-card .plan-price {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 4px;
        }

        .price-card.featured .plan-price {
            color: var(--accent);
        }

        .price-card .plan-period {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .price-card.featured .plan-period {
            color: rgba(248, 247, 242, 0.6);
        }

        .price-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .price-card ul li {
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-card.featured ul li {
            color: rgba(248, 247, 242, 0.8);
        }

        .price-card ul li .fa-check {
            color: var(--primary);
            font-size: 13px;
        }

        .price-card.featured ul li .fa-check {
            color: var(--accent);
        }

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

        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(27, 94, 59, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            font-size: 18px;
        }

        .review-stars {
            color: #F5A623;
            font-size: 13px;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }

        .review-text {
            font-size: 14.5px;
            color: var(--text-primary);
            line-height: 1.8;
            margin: 0 0 12px;
        }

        .review-author {
            font-size: 13px;
            color: var(--text-secondary);
            font-weight: 600;
        }

        /* ===== Stats bar ===== */
        .stats-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
            padding: 40px 24px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .stat-item .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 4px;
            letter-spacing: -0.5px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.65);
            letter-spacing: 0.5px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: var(--border-strong);
        }

        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            user-select: none;
            transition: color var(--transition);
            border-left: 3px solid var(--primary);
        }

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

        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--text-secondary);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition);
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.85;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 20px;
            max-height: 600px;
        }

        /* ===== News list ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 22px 24px;
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            align-items: center;
        }

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

        .news-item:hover {
            background: rgba(27, 94, 59, 0.03);
        }

        .news-item img {
            width: 160px;
            height: 100px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
            transition: transform var(--transition);
        }

        .news-item:hover img {
            transform: scale(1.02);
        }

        .news-meta {
            display: flex;
            gap: 12px;
            align-items: center;
            font-size: 12px;
            color: var(--text-secondary);
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .news-tag {
            background: rgba(255, 90, 31, 0.08);
            color: var(--accent);
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 11px;
        }

        .news-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.45;
            transition: color var(--transition);
        }

        .news-item:hover h3 {
            color: var(--primary);
        }

        .news-item p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== Category matrix ===== */
        .category-matrix {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .category-entry {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .category-entry:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }

        .category-entry .cat-icon {
            font-size: 28px;
            color: var(--primary);
        }

        .category-entry .cat-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
        }

        .category-entry .cat-count {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* ===== Tag cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 40px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== CTA section ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 60%, var(--primary) 100%);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 70% 30%, rgba(255, 90, 31, 0.2) 0%, transparent 55%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(248, 247, 242, 0.8);
            margin: 0 0 28px;
            position: relative;
            z-index: 1;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* ===== Video preview ===== */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .video-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
        }

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

        .video-card img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .video-card:hover img {
            transform: scale(1.04);
        }

        .video-card .video-body {
            padding: 18px;
        }

        .video-card .video-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 6px;
            display: block;
        }

        .video-card h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.45;
        }

        .video-card .video-time {
            font-size: 12px;
            color: var(--text-secondary);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-footer);
            color: rgba(248, 247, 242, 0.7);
            padding: 64px 0 0;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
        }

        .footer-brand p {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.6);
            line-height: 1.8;
            margin: 16px 0 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul a {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.6);
            transition: color var(--transition);
        }

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

        .footer-subscribe p {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.6);
            margin: 0 0 16px;
            line-height: 1.7;
        }

        .footer-subscribe-form {
            display: flex;
            gap: 8px;
        }

        .footer-subscribe-form input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 13px;
            outline: none;
            transition: all var(--transition);
            min-width: 0;
        }

        .footer-subscribe-form input::placeholder {
            color: rgba(248, 247, 242, 0.4);
        }

        .footer-subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.15);
        }

        .footer-subscribe-form button {
            padding: 10px 18px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .footer-subscribe-form button:hover {
            background: var(--accent-hover);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(248, 247, 242, 0.45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 38px;
            }

            .hero-grid {
                gap: 36px;
                grid-template-columns: 1fr;
            }

            .hero-right {
                display: none;
            }

            .hero-subtitle {
                max-width: 100%;
            }

            .feature-grid {
                grid-template-columns: 1fr 1fr;
            }

            .feature-card.large {
                grid-column: span 2;
                grid-row: auto;
            }

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

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

            .price-card.featured {
                transform: translateY(0);
            }

            .price-card.featured:hover {
                transform: translateY(-6px);
            }

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }

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

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

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

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

            .demo-visual {
                min-height: 280px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }

            .brand-row {
                height: 60px;
                padding: 0 16px;
                gap: 12px;
            }

            .logo-text {
                font-size: 20px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .search-box {
                min-width: 120px;
                height: 34px;
            }

            .btn-login,
            .btn-register {
                padding: 6px 12px;
                font-size: 12px;
            }

            .hamburger {
                display: block;
            }

            .channel-row {
                display: none;
            }

            .hero {
                min-height: auto;
            }

            .hero-content {
                padding: 64px 0;
            }

            .hero h1 {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-stats {
                gap: 20px;
            }

            .hero-stat-num {
                font-size: 24px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .feature-card.large {
                grid-column: auto;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .pricing-grid {
                grid-template-columns: 1fr;
            }

            .review-grid {
                grid-template-columns: 1fr;
            }

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

            .video-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .cta-section {
                padding: 36px 20px;
            }

            .cta-section h2 {
                font-size: 24px;
            }

            .btn {
                padding: 12px 20px;
                font-size: 14px;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px;
            }

            .news-item img {
                width: 100%;
                height: auto;
                max-height: 180px;
                object-fit: cover;
            }

            .section-header h2 {
                font-size: 24px;
            }

            .brand-intro {
                padding: 28px;
            }

            .score-card {
                flex: 0 0 200px;
            }

            .topic-card {
                flex: 0 0 270px;
            }

            .search-box {
                display: none;
            }
        }

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

            .brand-row {
                padding: 0 12px;
            }

            .hero h1 {
                font-size: 26px;
            }

            .hero-cta {
                flex-direction: column;
                gap: 10px;
            }

            .hero-cta .btn {
                width: 100%;
            }

            .category-matrix {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stats-bar {
                grid-template-columns: 1fr 1fr;
                padding: 28px 16px;
                gap: 20px;
            }

            .stat-item .stat-number {
                font-size: 28px;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }

            .faq-answer {
                font-size: 13.5px;
            }

            .demo-visual {
                min-height: 200px;
            }

            .topic-card {
                flex: 0 0 240px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #144A2E;
            --primary-light: #2D7A4F;
            --accent: #FF5A1F;
            --accent-hover: #E54A10;
            --bg: #F7F6F1;
            --card-bg: #FFFFFF;
            --dark: #10251B;
            --dark-footer: #141B18;
            --text-primary: #1E1D1A;
            --text-secondary: #5C5A55;
            --text-on-dark: #F8F7F2;
            --border: rgba(0, 0, 0, 0.06);
            --border-strong: rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.25);
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-bg);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 24px;
            max-width: 1360px;
            margin: 0 auto;
            gap: 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 700;
        }
        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 94, 59, 0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-primary);
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: #9A9890;
        }
        .search-box .fa-search {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .btn-login {
            padding: 8px 18px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-register {
            padding: 8px 18px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-register:hover {
            background: var(--accent-hover);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            padding: 4px;
        }
        .channel-row {
            border-top: 1px solid var(--border);
            background: var(--card-bg);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
            height: 50px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }
        .channel-nav::-webkit-scrollbar {
            height: 3px;
        }
        .channel-nav::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 3px;
        }
        .channel-nav a {
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding: 0 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
            position: relative;
        }
        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(27, 94, 59, 0.04);
        }
        .channel-nav a.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--accent);
            background: rgba(27, 94, 59, 0.05);
        }

        /* ===== Category Banner ===== */
        .category-banner {
            background: linear-gradient(135deg, #10251B 0%, #1B3A2B 55%, #144A2E 100%);
            padding: 52px 0 48px;
            position: relative;
            overflow: hidden;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 90, 31, 0.12);
            pointer-events: none;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -30px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(45, 122, 79, 0.25);
            pointer-events: none;
        }
        .category-banner .container {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(248, 247, 242, 0.7);
            margin-bottom: 18px;
        }
        .breadcrumb a {
            color: rgba(248, 247, 242, 0.7);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .separator {
            font-size: 12px;
            opacity: 0.5;
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
        }
        .category-banner h1 {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        .category-banner .banner-desc {
            font-size: 17px;
            color: rgba(248, 247, 242, 0.85);
            max-width: 640px;
            line-height: 1.8;
            margin: 0;
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }
        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.35;
        }
        .section-head .sub-text {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 6px 0 0;
        }
        .section-head .view-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            transition: color var(--transition);
        }
        .section-head .view-more:hover {
            color: var(--accent);
        }

        /* ===== Data List Cards ===== */
        .data-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .data-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .data-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .data-card .card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #f0efea;
        }
        .data-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .data-card:hover .card-img img {
            transform: scale(1.04);
        }
        .data-card .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .data-card .card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(27, 94, 59, 0.08);
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 12px;
            width: fit-content;
        }
        .data-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 10px;
            line-height: 1.5;
        }
        .data-card h3 a {
            color: var(--text-primary);
            transition: color var(--transition);
        }
        .data-card h3 a:hover {
            color: var(--primary);
        }
        .data-card .card-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
        }
        .data-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #9A9890;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }
        .data-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Hot Content Slider ===== */
        .hot-slider {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .hot-slide {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            position: relative;
            min-height: 280px;
            display: flex;
            flex-direction: column;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .hot-slide:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .hot-slide .hot-img {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
        }
        .hot-slide .hot-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .hot-slide:hover .hot-img img {
            transform: scale(1.05);
        }
        .hot-slide .hot-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .hot-slide .hot-rank {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--accent);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            z-index: 2;
        }
        .hot-slide h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.5;
        }
        .hot-slide .hot-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 16px;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Editor Picks ===== */
        .rank-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .rank-item {
            display: flex;
            gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 18px 20px;
            transition: all var(--transition);
        }
        .rank-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: rgba(27, 94, 59, 0.2);
        }
        .rank-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            flex-shrink: 0;
            min-width: 42px;
        }
        .rank-item:nth-child(1) .rank-num {
            color: var(--accent);
        }
        .rank-item:nth-child(2) .rank-num {
            color: var(--accent);
        }
        .rank-content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.45;
        }
        .rank-content .rank-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 8px;
        }
        .rank-content .rank-meta {
            font-size: 12px;
            color: #9A9890;
            display: flex;
            gap: 12px;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-cta {
            background: linear-gradient(135deg, #10251B 0%, #1B3A2B 60%, #144A2E 100%);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -20px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 90, 31, 0.12);
        }
        .subscribe-cta .cta-text {
            flex: 1;
            min-width: 260px;
            position: relative;
            z-index: 1;
        }
        .subscribe-cta h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .subscribe-cta p {
            font-size: 15px;
            color: rgba(248, 247, 242, 0.8);
            margin: 0;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
        }
        .subscribe-form input {
            width: 260px;
            padding: 12px 16px;
            border: 1px solid rgba(248, 247, 242, 0.3);
            border-radius: var(--radius-sm);
            background: rgba(248, 247, 242, 0.1);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(248, 247, 242, 0.5);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.2);
        }
        .subscribe-form button {
            padding: 12px 24px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .subscribe-form button:hover {
            background: var(--accent-hover);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 14px;
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 22px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            transition: background var(--transition);
            font-family: var(--font-stack);
        }
        .faq-question:hover {
            background: rgba(27, 94, 59, 0.04);
        }
        .faq-question .fa-chevron-down {
            color: var(--primary);
            font-size: 14px;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            border-top: 1px solid transparent;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            border-top-color: var(--border);
        }
        .faq-answer-inner {
            padding: 18px 22px 22px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--primary);
        }

        /* ===== Back to top ===== */
        .back-top-section {
            text-align: center;
            padding: 28px 0 40px;
        }
        .btn-back-top {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-back-top:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-footer);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 36px;
            margin-bottom: 40px;
        }
        .footer-brand .logo-text {
            color: #fff;
            font-size: 26px;
        }
        .footer-brand .logo-text span {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.7);
            line-height: 1.75;
            margin: 14px 0 0;
            max-width: 300px;
        }
        .footer-col h4,
        .footer-subscribe h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.7);
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-subscribe p {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.7);
            line-height: 1.7;
            margin: 0 0 16px;
        }
        .footer-subscribe-form {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe-form input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(248, 247, 242, 0.25);
            border-radius: var(--radius-sm);
            background: rgba(248, 247, 242, 0.08);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
            min-width: 0;
        }
        .footer-subscribe-form input::placeholder {
            color: rgba(248, 247, 242, 0.45);
        }
        .footer-subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.2);
        }
        .footer-subscribe-form button {
            padding: 10px 18px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition);
            white-space: nowrap;
        }
        .footer-subscribe-form button:hover {
            background: var(--accent-hover);
        }
        .footer-bottom {
            border-top: 1px solid rgba(248, 247, 242, 0.12);
            padding-top: 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(248, 247, 242, 0.5);
        }

        /* ===== Mobile Drawer ===== */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(16, 37, 27, 0.98);
            z-index: 200;
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }
        .mobile-drawer.open {
            display: flex;
        }
        .mobile-drawer a {
            display: block;
            padding: 16px 20px;
            font-size: 18px;
            font-weight: 600;
            color: var(--text-on-dark);
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-drawer a:hover,
        .mobile-drawer a.active {
            background: rgba(255, 90, 31, 0.15);
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .data-list {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .hot-slider {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .rank-list {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .category-banner h1 {
                font-size: 32px;
            }
        }
        @media (max-width: 768px) {
            .brand-row {
                height: 60px;
                padding: 0 16px;
            }
            .logo-text {
                font-size: 20px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
                border-radius: 8px;
            }
            .search-box {
                min-width: 0;
                width: 40px;
                height: 36px;
                padding: 0 10px;
                justify-content: center;
            }
            .search-box input {
                display: none;
            }
            .btn-login,
            .btn-register {
                padding: 7px 12px;
                font-size: 13px;
            }
            .hamburger {
                display: block;
            }
            .channel-nav {
                display: none;
            }
            .mobile-drawer {
                display: flex;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
            }
            .mobile-drawer.open {
                transform: translateX(0);
            }
            .category-banner {
                padding: 36px 0 32px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .category-banner .banner-desc {
                font-size: 15px;
            }
            .section {
                padding: var(--spacing-section-mobile) 0;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                margin-bottom: 22px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .data-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hot-slider {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .rank-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .rank-num {
                font-size: 26px;
                min-width: 34px;
            }
            .subscribe-cta {
                padding: 32px 24px;
                flex-direction: column;
                gap: 20px;
            }
            .subscribe-cta h2 {
                font-size: 22px;
            }
            .subscribe-form {
                width: 100%;
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
            }
            .subscribe-form button {
                width: 100%;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 14px 18px 18px;
                font-size: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .container,
            .container-narrow,
            .container-wide {
                padding: 0 16px;
            }
        }
        @media (max-width: 520px) {
            .header-actions .btn-login {
                display: none;
            }
            .header-actions .btn-register {
                padding: 7px 12px;
                font-size: 12px;
            }
            .search-box {
                width: 36px;
                height: 34px;
                padding: 0 8px;
            }
            .category-banner h1 {
                font-size: 22px;
            }
            .data-card .card-body {
                padding: 18px 18px 20px;
            }
            .data-card h3 {
                font-size: 17px;
            }
            .data-card .card-desc {
                font-size: 14px;
            }
            .hot-slide .hot-body {
                padding: 16px 18px 18px;
            }
            .rank-item {
                flex-direction: column;
                gap: 8px;
                padding: 16px;
            }
            .rank-num {
                font-size: 24px;
            }
            .tag-cloud a {
                font-size: 13px;
                padding: 6px 12px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #144A2E;
            --primary-light: #2D7A4F;
            --accent: #FF5A1F;
            --accent-hover: #E54A10;
            --bg: #F7F6F1;
            --card-bg: #FFFFFF;
            --dark: #10251B;
            --dark-footer: #141B18;
            --text-primary: #1E1D1A;
            --text-secondary: #5C5A55;
            --text-on-dark: #F8F7F2;
            --border: rgba(0, 0, 0, 0.06);
            --border-strong: rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.25);
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-primary);
        }

        p {
            margin: 0 0 1em;
        }

        ul,
        ol {
            margin: 0 0 1.5em;
            padding-left: 1.25em;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-bg);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 24px;
            max-width: 1360px;
            margin: 0 auto;
            gap: 20px;
        }

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

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 700;
        }

        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 94, 59, 0.12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-primary);
            width: 100%;
            padding: 4px 0;
        }

        .search-box input::placeholder {
            color: #9A9890;
        }

        .search-box .fa-search {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .btn-login {
            padding: 8px 18px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-login:hover {
            background: var(--primary);
            color: #fff;
        }

        .btn-register {
            padding: 8px 18px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .btn-register:hover {
            background: var(--accent-hover);
            color: #fff;
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            padding: 4px;
        }

        .channel-row {
            border-top: 1px solid var(--border);
            background: var(--card-bg);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
            height: 48px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

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

        .channel-nav a {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: 6px;
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
            white-space: nowrap;
            position: relative;
        }

        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(27, 94, 59, 0.06);
        }

        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
            background: rgba(27, 94, 59, 0.08);
        }

        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--card-bg);
            z-index: 200;
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.15);
            padding: 20px;
            transition: right 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            overflow-y: auto;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(0, 0, 0, 0.4);
            z-index: 150;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.visible {
            opacity: 1;
            display: block;
        }

        .mobile-drawer .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .mobile-drawer .drawer-close {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-secondary);
            padding: 4px;
        }

        .mobile-drawer .drawer-nav {
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer .drawer-nav a {
            padding: 14px 12px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
        }

        .mobile-drawer .drawer-nav a:hover {
            color: var(--primary);
            background: rgba(27, 94, 59, 0.06);
        }

        .mobile-drawer .drawer-nav a.active {
            color: var(--primary);
            border-left: 3px solid var(--accent);
            padding-left: 12px;
        }

        /* ===== Category Banner ===== */
        .category-banner {
            background: linear-gradient(135deg, #FDFCF8 0%, #F3F1E8 50%, #EAE5D8 100%);
            border-bottom: 1px solid var(--border-strong);
            padding: 48px 0 40px;
            position: relative;
            overflow: hidden;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(27, 94, 59, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

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

        .breadcrumb .sep {
            color: #B8B5AC;
        }

        .category-banner h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .category-banner .banner-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.9;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }

        .banner-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .banner-meta .tag-pill {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 14px;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 20px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .banner-meta .tag-pill i {
            color: var(--accent);
            font-size: 12px;
        }

        /* ===== Section General ===== */
        .section {
            padding: var(--spacing-section) 0;
        }

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

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 6px;
        }

        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

        .section-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .section-link:hover {
            color: var(--accent);
        }

        /* ===== Featured Slider (Horizontal Scroll Cards) ===== */
        .featured-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding: 10px 4px 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border-strong) transparent;
        }

        .featured-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .featured-scroll::-webkit-scrollbar-thumb {
            background: var(--border-strong);
            border-radius: 3px;
        }

        .featured-card {
            scroll-snap-align: start;
            flex-shrink: 0;
            width: 360px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all var(--transition);
            position: relative;
        }

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

        .featured-card .fc-image {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

        .featured-card:hover .fc-image img {
            transform: scale(1.04);
        }

        .featured-card .fc-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            border-radius: 4px;
            letter-spacing: 0.5px;
        }

        .featured-card .fc-body {
            padding: 20px 22px 22px;
        }

        .featured-card .fc-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.55;
        }

        .featured-card:hover .fc-title {
            color: var(--primary);
        }

        .featured-card .fc-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-card .fc-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .featured-card .fc-meta .date {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .featured-card .fc-meta .views {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== Main List (2-Column Grid Cards) ===== */
        .list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .list-card {
            display: flex;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

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

        .list-card .lc-image {
            flex-shrink: 0;
            width: 180px;
            min-height: 100%;
            overflow: hidden;
        }

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

        .list-card:hover .lc-image img {
            transform: scale(1.05);
        }

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

        .list-card .lc-tag {
            display: inline-block;
            align-self: flex-start;
            padding: 3px 10px;
            background: rgba(27, 94, 59, 0.1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .list-card .lc-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .list-card:hover .lc-title {
            color: var(--primary);
        }

        .list-card .lc-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 10px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-card .lc-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: #9A9890;
        }

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

        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud .cloud-tag {
            display: inline-block;
            padding: 8px 18px;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 24px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
        }

        .tag-cloud .cloud-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(27, 94, 59, 0.06);
            transform: translateY(-2px);
        }

        .tag-cloud .cloud-tag.hot {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(255, 90, 31, 0.06);
            font-weight: 700;
        }

        /* ===== Editorial Ranking ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .rank-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border-strong);
        }

        .rank-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
            color: #B8B5AC;
            background: var(--bg);
            border-radius: 8px;
        }

        .rank-item:nth-child(1) .rank-num {
            color: #FFB800;
            background: rgba(255, 184, 0, 0.1);
        }

        .rank-item:nth-child(2) .rank-num {
            color: #A8A8A8;
            background: rgba(168, 168, 168, 0.12);
        }

        .rank-item:nth-child(3) .rank-num {
            color: #CD7F32;
            background: rgba(205, 127, 50, 0.1);
        }

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

        .rank-info .ri-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 3px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info .ri-meta {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .rank-item .ri-arrow {
            color: #B8B5AC;
            font-size: 14px;
            flex-shrink: 0;
            transition: color var(--transition);
        }

        .rank-item:hover .ri-arrow {
            color: var(--accent);
        }

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

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

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-stack);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            transition: all var(--transition);
            gap: 16px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            color: var(--text-secondary);
            font-size: 16px;
            transition: transform var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.9;
            border-left: 3px solid var(--primary);
            margin-left: 22px;
            padding-left: 16px;
        }

        /* ===== Subscribe CTA ===== */
        .subscribe-cta {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%);
            color: var(--text-on-dark);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-dark);
            position: relative;
            overflow: hidden;
        }

        .subscribe-cta::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 90, 31, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-cta .sc-text {
            flex: 1;
            min-width: 280px;
            position: relative;
            z-index: 1;
        }

        .subscribe-cta h2 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .subscribe-cta p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0;
            line-height: 1.8;
        }

        .subscribe-cta .sc-form {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
        }

        .subscribe-cta .sc-form input {
            padding: 13px 18px;
            border: none;
            border-radius: var(--radius-sm);
            font-size: 15px;
            width: 280px;
            color: var(--text-primary);
            background: #fff;
            outline: none;
        }

        .subscribe-cta .sc-form input:focus {
            box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.4);
        }

        .subscribe-cta .sc-form button {
            padding: 13px 28px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition);
        }

        .subscribe-cta .sc-form button:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
        }

        /* ===== Calendar Support ===== */
        .calendar-strip {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            padding: 20px 0 8px;
        }

        .cal-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 8px 16px;
            min-width: 68px;
            transition: all var(--transition);
        }

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

        .cal-date .cd-day {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
        }

        .cal-date .cd-label {
            font-size: 12px;
            color: var(--text-secondary);
        }

        .back-top {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
        }

        .back-top:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(27, 94, 59, 0.06);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-footer);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
            font-size: 22px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .footer-brand .logo-text span {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color var(--transition);
        }

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

        .footer-subscribe h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-subscribe p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .footer-subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .footer-subscribe-form input {
            flex: 1;
            min-width: 160px;
            padding: 11px 14px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition);
        }

        .footer-subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-subscribe-form input:focus {
            border-color: var(--accent);
        }

        .footer-subscribe-form button {
            padding: 11px 20px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition);
        }

        .footer-subscribe-form button:hover {
            background: var(--accent-hover);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition);
        }

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

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition);
        }

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

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 24px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
        }

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --spacing-section: 72px;
            }
            .category-banner h1 {
                font-size: 34px;
            }
            .list-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .list-card .lc-image {
                width: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .subscribe-cta {
                padding: 36px 28px;
                flex-direction: column;
                align-items: flex-start;
            }
            .subscribe-cta .sc-form input {
                width: 100%;
                max-width: 300px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 56px;
            }
            .brand-row {
                height: 60px;
                padding: 0 16px;
            }
            .logo-text {
                font-size: 20px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
                border-radius: 8px;
            }
            .search-box {
                display: none;
            }
            .btn-login,
            .btn-register {
                padding: 7px 14px;
                font-size: 13px;
            }
            .hamburger {
                display: block;
            }
            .channel-nav {
                padding: 0 12px;
                height: 44px;
                gap: 2px;
            }
            .channel-nav a {
                padding: 6px 10px;
                font-size: 13px;
            }
            .category-banner {
                padding: 32px 0 28px;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .category-banner .banner-desc {
                font-size: 15px;
            }
            .section-header h2 {
                font-size: 23px;
            }
            .section-header {
                margin-bottom: 20px;
            }
            .featured-card {
                width: 280px;
            }
            .featured-card .fc-image {
                height: 160px;
            }
            .list-card {
                flex-direction: column;
            }
            .list-card .lc-image {
                width: 100%;
                height: 180px;
            }
            .list-card .lc-body {
                padding: 14px 16px;
            }
            .rank-item {
                padding: 12px 14px;
            }
            .rank-num {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer-inner {
                margin-left: 12px;
                padding: 0 14px 16px;
                font-size: 14px;
            }
            .subscribe-cta {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .subscribe-cta h2 {
                font-size: 23px;
            }
            .subscribe-cta .sc-form {
                width: 100%;
            }
            .subscribe-cta .sc-form input {
                width: 100%;
                max-width: none;
            }
            .subscribe-cta .sc-form button {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }
            .container,
            .container-wide,
            .container-narrow {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .logo-text {
                font-size: 18px;
            }
            .header-actions .btn-login {
                display: none;
            }
            .featured-card {
                width: 250px;
            }
            .featured-card .fc-image {
                height: 140px;
            }
            .category-banner h1 {
                font-size: 24px;
            }
            .breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .banner-meta .tag-pill {
                font-size: 12px;
                padding: 4px 10px;
            }
            .section-header h2 {
                font-size: 20px;
            }
            .tag-cloud .cloud-tag {
                font-size: 13px;
                padding: 6px 14px;
            }
            .rank-info .ri-title {
                font-size: 14px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #144A2E;
            --primary-light: #2D7A4F;
            --accent: #FF5A1F;
            --accent-hover: #E54A10;
            --bg: #F7F6F1;
            --card-bg: #FFFFFF;
            --dark: #10251B;
            --dark-footer: #141B18;
            --text-primary: #1E1D1A;
            --text-secondary: #5C5A55;
            --text-on-dark: #F8F7F2;
            --border: rgba(0, 0, 0, 0.06);
            --border-strong: rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.25);
            --spacing-section: 76px;
            --spacing-section-mobile: 48px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-bg);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 24px;
            max-width: 1360px;
            margin: 0 auto;
            gap: 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 700;
        }
        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 94, 59, 0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-primary);
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: #9A9890;
        }
        .search-box .fa-search {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .btn-login {
            padding: 8px 18px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-register {
            padding: 8px 18px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-register:hover {
            background: var(--accent-hover);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            padding: 4px;
        }
        .channel-row {
            border-top: 1px solid var(--border);
            background: #FDFCFA;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
            height: 48px;
            gap: 4px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav a {
            display: flex;
            align-items: center;
            height: 48px;
            padding: 0 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: color var(--transition), border-color var(--transition), background-color var(--transition);
        }
        .channel-nav a:hover {
            color: var(--primary);
            background-color: rgba(27, 94, 59, 0.04);
        }
        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
            background-color: rgba(27, 94, 59, 0.05);
        }
        .mobile-search-form {
            display: none;
        }

        /* Section base */
        section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: #F1EFE8;
        }
        .section-dark {
            background: var(--dark);
            color: var(--text-on-dark);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--primary);
            margin: 0 0 12px;
            letter-spacing: 0.3px;
            line-height: 1.35;
        }
        .section-header p {
            font-size: 17px;
            color: var(--text-secondary);
            margin: 0;
            max-width: 720px;
            line-height: 1.9;
        }
        .section-header.dark h2 {
            color: var(--text-on-dark);
        }
        .section-header.dark p {
            color: rgba(248, 247, 242, 0.75);
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        /* Category Banner */
        .category-banner {
            background: linear-gradient(135deg, #F8F6EF 0%, #EDE9DC 50%, #F5F2E8 100%);
            border-bottom: 1px solid var(--border);
            padding: 56px 0 44px;
            position: relative;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(27, 94, 59, 0.07) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-banner-content {
            position: relative;
            z-index: 1;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--primary);
        }
        .breadcrumb .fa-chevron-right {
            font-size: 11px;
            color: #B8B4A8;
        }
        .category-banner h1 {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            margin: 0 0 14px;
            letter-spacing: 0.5px;
            line-height: 1.25;
        }
        .category-banner .banner-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 760px;
            line-height: 1.9;
            margin: 0;
        }
        .banner-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 18px;
            flex-wrap: wrap;
        }
        .banner-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .banner-meta-item .fa-solid {
            color: var(--accent);
            font-size: 14px;
        }

        /* Featured Large Card */
        .featured-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .featured-card-image {
            position: relative;
            min-height: 320px;
            overflow: hidden;
        }
        .featured-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-card:hover .featured-card-image img {
            transform: scale(1.04);
        }
        .featured-card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }
        .featured-card-body {
            padding: 32px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-card-body .card-date {
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }
        .featured-card-body h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 14px;
            line-height: 1.4;
        }
        .featured-card-body p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.85;
            margin: 0 0 20px;
        }
        .featured-card-body .btn-link-more {
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .featured-card-body .btn-link-more:hover {
            color: var(--accent-hover);
        }

        /* Article list */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .article-list-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 22px 26px;
            display: flex;
            gap: 20px;
            align-items: center;
            transition: box-shadow var(--transition), transform var(--transition);
            border: 1px solid var(--border);
        }
        .article-list-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .article-list-thumb {
            width: 140px;
            height: 100px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .article-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .article-list-content {
            flex: 1;
            min-width: 0;
        }
        .article-list-content .list-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .article-list-content .list-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(27, 94, 59, 0.08);
            padding: 3px 10px;
            border-radius: 4px;
        }
        .article-list-content h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.45;
        }
        .article-list-content .list-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-list-content .list-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: #8E8A80;
        }
        .article-list-content .list-meta .fa-solid {
            font-size: 12px;
        }

        /* Hot horizontal cards */
        .hot-scroll-wrapper {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .hot-scroll-wrapper::-webkit-scrollbar {
            display: none;
        }
        .hot-card {
            min-width: 300px;
            max-width: 300px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            scroll-snap-align: start;
            transition: box-shadow var(--transition), transform var(--transition);
            flex-shrink: 0;
        }
        .hot-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .hot-card-image {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .hot-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .hot-card:hover .hot-card-image img {
            transform: scale(1.05);
        }
        .hot-card-rank {
            position: absolute;
            top: 12px;
            left: 12px;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-weight: 800;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
        }
        .hot-card-body {
            padding: 18px 20px 20px;
        }
        .hot-card-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.45;
        }
        .hot-card-body .hot-card-meta {
            font-size: 13px;
            color: #8E8A80;
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud-item {
            display: inline-block;
            padding: 9px 20px;
            background: var(--card-bg);
            border: 1.5px solid var(--border-strong);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .tag-cloud-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(27, 94, 59, 0.04);
        }
        .tag-cloud-item .fa-solid {
            font-size: 12px;
            margin-right: 5px;
        }

        /* Subscribe CTA */
        .subscribe-cta {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            color: var(--text-on-dark);
        }
        .subscribe-cta-content h3 {
            font-size: 26px;
            font-weight: 800;
            margin: 0 0 10px;
            color: #fff;
        }
        .subscribe-cta-content p {
            font-size: 16px;
            margin: 0;
            color: rgba(248, 247, 242, 0.8);
            line-height: 1.8;
        }
        .subscribe-form-group {
            display: flex;
            gap: 10px;
            flex-shrink: 0;
        }
        .subscribe-form-group input {
            width: 280px;
            height: 48px;
            border: none;
            border-radius: var(--radius-sm);
            padding: 0 18px;
            font-size: 15px;
            color: var(--text-primary);
            background: #fff;
        }
        .subscribe-form-group input:focus {
            outline: 3px solid rgba(255, 90, 31, 0.5);
            outline-offset: 2px;
        }
        .subscribe-form-group button {
            height: 48px;
            padding: 0 28px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            transition: background var(--transition);
        }
        .subscribe-form-group button:hover {
            background: var(--accent-hover);
        }

        /* Editor ranking */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .ranking-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: padding-left var(--transition);
        }
        .ranking-item:first-child {
            padding-top: 0;
        }
        .ranking-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .ranking-item:hover {
            padding-left: 8px;
        }
        .ranking-number {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            flex-shrink: 0;
            background: rgba(27, 94, 59, 0.08);
            color: var(--primary);
        }
        .ranking-item:nth-child(1) .ranking-number {
            background: var(--accent);
            color: #fff;
        }
        .ranking-content {
            flex: 1;
            min-width: 0;
        }
        .ranking-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.45;
        }
        .ranking-content .ranking-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 6px;
        }
        .ranking-content .ranking-meta {
            font-size: 12px;
            color: #8E8A80;
        }

        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            box-shadow: var(--shadow-card);
            overflow: hidden;
            border-left: 4px solid var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: rgba(27, 94, 59, 0.03);
        }
        .faq-question .fa-chevron-down {
            font-size: 14px;
            color: var(--primary);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-question .fa-chevron-down {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Bottom support */
        .bottom-support {
            background: #F1EFE8;
            border-top: 1px solid var(--border);
            padding: 32px 0;
        }
        .bottom-support-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .bottom-support-left {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .bottom-support-left .fa-solid {
            font-size: 28px;
            color: var(--primary);
        }
        .bottom-support-left h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text-primary);
        }
        .bottom-support-left p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
        }
        .btn-back-top {
            padding: 10px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-back-top:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-footer);
            color: rgba(248, 247, 242, 0.85);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(248, 247, 242, 0.1);
        }
        .footer-brand .logo-text {
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin: 14px 0 0;
            color: rgba(248, 247, 242, 0.65);
            max-width: 320px;
        }
        .footer-col h4,
        .footer-subscribe h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(248, 247, 242, 0.65);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-subscribe p {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.65);
            margin: 0 0 16px;
            line-height: 1.75;
        }
        .footer-subscribe-form {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe-form input {
            flex: 1;
            height: 42px;
            border: 1px solid rgba(248, 247, 242, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(248, 247, 242, 0.05);
            color: #fff;
            padding: 0 14px;
            font-size: 14px;
        }
        .footer-subscribe-form input::placeholder {
            color: rgba(248, 247, 242, 0.4);
        }
        .footer-subscribe-form button {
            height: 42px;
            padding: 0 20px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition);
        }
        .footer-subscribe-form button:hover {
            background: var(--accent-hover);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 13px;
            color: rgba(248, 247, 242, 0.5);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* Responsive */
        @media screen and (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .featured-card {
                grid-template-columns: 1fr;
            }
            .featured-card-image {
                min-height: 240px;
            }
            .subscribe-cta {
                flex-direction: column;
                align-items: flex-start;
                padding: 36px 32px;
            }
            .subscribe-form-group input {
                width: 100%;
            }
        }
        @media screen and (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
            section {
                padding: 32px 0;
            }
            .brand-row {
                height: 56px;
                padding: 0 16px;
                gap: 10px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 15px;
                border-radius: 8px;
            }
            .logo-text {
                font-size: 19px;
            }
            .header-actions .search-box,
            .header-actions .btn-login,
            .header-actions .btn-register {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .channel-nav {
                padding: 0 12px;
                height: 44px;
                gap: 2px;
            }
            .channel-nav a {
                height: 44px;
                padding: 0 14px;
                font-size: 14px;
            }
            .category-banner {
                padding: 36px 0 28px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            .category-banner .banner-desc {
                font-size: 15px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .featured-card-body {
                padding: 24px 20px;
            }
            .featured-card-body h3 {
                font-size: 20px;
            }
            .article-list-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 18px;
                gap: 14px;
            }
            .article-list-thumb {
                width: 100%;
                height: 180px;
            }
            .hot-card {
                min-width: 260px;
                max-width: 260px;
            }
            .subscribe-cta {
                padding: 28px 22px;
                gap: 20px;
            }
            .subscribe-cta-content h3 {
                font-size: 22px;
            }
            .subscribe-form-group {
                flex-direction: column;
                width: 100%;
            }
            .subscribe-form-group input {
                width: 100%;
            }
            .subscribe-form-group button {
                width: 100%;
            }
            .bottom-support-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }
        }
        @media screen and (max-width: 520px) {
            .container,
            .container-narrow,
            .container-wide {
                padding: 0 16px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .featured-card-body {
                padding: 20px 16px;
            }
            .featured-card-body h3 {
                font-size: 18px;
            }
            .hot-card {
                min-width: 240px;
                max-width: 240px;
            }
            .hot-card-image {
                height: 150px;
            }
            .ranking-item {
                gap: 14px;
                padding: 16px 0;
            }
            .ranking-number {
                width: 36px;
                height: 36px;
                font-size: 17px;
                border-radius: 8px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 16px;
            }
        }

        /* Mobile menu overlay */
        .mobile-menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 200;
            display: none;
            justify-content: flex-end;
        }
        .mobile-menu-overlay.open {
            display: flex;
        }
        .mobile-menu-panel {
            width: 280px;
            height: 100%;
            background: var(--card-bg);
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.2);
            padding: 24px 20px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            overflow-y: auto;
        }
        .mobile-menu-panel .menu-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-primary);
        }
        .mobile-menu-panel a {
            display: block;
            padding: 12px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border);
        }
        .mobile-menu-panel a.active {
            color: var(--accent);
        }
        .mobile-menu-panel a:hover {
            color: var(--accent);
        }

/* roulang page: category4 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #144A2E;
            --primary-light: #2D7A4F;
            --accent: #FF5A1F;
            --accent-hover: #E54A10;
            --bg: #F7F6F1;
            --card-bg: #FFFFFF;
            --dark: #10251B;
            --dark-footer: #141B18;
            --text-primary: #1E1D1A;
            --text-secondary: #5C5A55;
            --text-on-dark: #F8F7F2;
            --border: rgba(0, 0, 0, 0.06);
            --border-strong: rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.25);
            --spacing-section: 88px;
            --spacing-section-mobile: 56px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }
        /* ===== Header / Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--card-bg);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 24px;
            max-width: 1360px;
            margin: 0 auto;
            gap: 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 700;
        }
        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 94, 59, 0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-primary);
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: #9A9890;
        }
        .search-box .fa-search {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .btn-login {
            padding: 8px 18px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-register {
            padding: 8px 18px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-register:hover {
            background: var(--accent-hover);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            padding: 4px;
        }
        .channel-row {
            border-top: 1px solid var(--border);
            background: var(--card-bg);
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
            height: 48px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav a {
            display: flex;
            align-items: center;
            padding: 0 16px;
            height: 48px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: all var(--transition);
        }
        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(27, 94, 59, 0.04);
        }
        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
            background: rgba(27, 94, 59, 0.04);
        }
        /* Mobile drawer */
        .mobile-drawer {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 200;
            background: rgba(16, 37, 27, 0.55);
            transition: opacity var(--transition);
            opacity: 0;
            pointer-events: none;
        }
        .mobile-drawer.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer-panel {
            position: absolute;
            top: 0;
            left: 0;
            bottom: 0;
            width: 280px;
            background: var(--card-bg);
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
            padding: 24px 20px;
            transform: translateX(-100%);
            transition: transform var(--transition);
            overflow-y: auto;
        }
        .mobile-drawer.open .mobile-drawer-panel {
            transform: translateX(0);
        }
        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }
        .mobile-drawer-close {
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-secondary);
            padding: 4px;
        }
        .mobile-drawer-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer-links a {
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: all var(--transition);
        }
        .mobile-drawer-links a:hover {
            background: rgba(27, 94, 59, 0.06);
            color: var(--primary);
        }
        .mobile-drawer-links a.active {
            background: rgba(27, 94, 59, 0.1);
            color: var(--primary);
            border-left: 3px solid var(--accent);
        }
        /* ===== Category Banner ===== */
        .category-banner {
            background: linear-gradient(135deg, #F7F6F1 0%, #EDF2EE 40%, #E4EDE6 100%);
            padding: 48px 0 40px;
            border-bottom: 1px solid var(--border);
        }
        .category-banner .container {
            max-width: 1200px;
        }
        .category-banner h1 {
            font-size: clamp(32px, 4.5vw, 44px);
            font-weight: 800;
            color: var(--primary-dark);
            margin: 0 0 12px;
            line-height: 1.25;
        }
        .category-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .category-banner .breadcrumb a {
            color: var(--text-secondary);
        }
        .category-banner .breadcrumb a:hover {
            color: var(--primary);
        }
        .category-banner .breadcrumb .separator {
            color: #B8B5AC;
        }
        .category-banner .banner-desc {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 800px;
            line-height: 1.7;
            margin: 0;
        }
        .banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 20px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .banner-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .banner-meta i {
            color: var(--primary-light);
        }
        /* ===== Section Base ===== */
        section {
            padding: var(--spacing-section) 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .section-header .section-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
        }
        .section-header .section-accent-line {
            width: 56px;
            height: 4px;
            background: var(--accent);
            border-radius: 2px;
            margin-bottom: 14px;
        }
        /* ===== Video Cards ===== */
        .video-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .video-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .video-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .video-card-thumb {
            position: relative;
            aspect-ratio: 16/9;
            background: #E8E5DE;
            overflow: hidden;
        }
        .video-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .video-card:hover .video-card-thumb img {
            transform: scale(1.04);
        }
        .video-card-play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(16, 37, 27, 0.75);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            transition: all var(--transition);
            backdrop-filter: blur(4px);
        }
        .video-card:hover .video-card-play {
            background: var(--accent);
            transform: translate(-50%, -50%) scale(1.05);
        }
        .video-card-duration {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(16, 37, 27, 0.82);
            color: #fff;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 500;
        }
        .video-card-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .video-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .video-card-tag {
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 20px;
            background: rgba(27, 94, 59, 0.08);
            color: var(--primary);
            font-weight: 600;
        }
        .video-card-tag.accent {
            background: rgba(255, 90, 31, 0.1);
            color: var(--accent);
        }
        .video-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.5;
            transition: color var(--transition);
        }
        .video-card:hover .video-card-title {
            color: var(--primary);
        }
        .video-card-title a {
            color: inherit;
        }
        .video-card-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
            flex: 1;
        }
        .video-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-secondary);
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }
        .video-card-meta i {
            margin-right: 4px;
        }
        /* ===== Featured / Horizontal Scroll ===== */
        .featured-scroll-wrapper {
            position: relative;
            overflow: hidden;
        }
        .featured-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 12px;
            scrollbar-width: none;
        }
        .featured-scroll::-webkit-scrollbar {
            display: none;
        }
        .featured-card {
            flex: 0 0 320px;
            scroll-snap-align: start;
            background: var(--dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 220px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            cursor: pointer;
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .featured-card-bg {
            position: absolute;
            inset: 0;
            z-index: 1;
        }
        .featured-card-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.55;
        }
        .featured-card-overlay {
            position: absolute;
            inset: 0;
            z-index: 2;
            background: linear-gradient(to top, rgba(16, 37, 27, 0.88) 0%, rgba(16, 37, 27, 0.2) 70%, transparent 100%);
        }
        .featured-card-content {
            position: relative;
            z-index: 3;
            padding: 24px;
            color: var(--text-on-dark);
        }
        .featured-card-tag {
            display: inline-block;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .featured-card-title {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .featured-card-desc {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.85);
            margin: 0;
            line-height: 1.6;
        }
        .scroll-hint {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
        }
        .scroll-hint span {
            font-size: 14px;
            color: var(--text-secondary);
        }
        .scroll-hint .arrows {
            display: flex;
            gap: 8px;
        }
        .scroll-arrow {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
            color: var(--text-secondary);
        }
        .scroll-arrow:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        /* ===== Tag Cloud ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud-item {
            padding: 10px 18px;
            border-radius: 24px;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .tag-cloud-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(27, 94, 59, 0.04);
        }
        .tag-cloud-item.primary {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(27, 94, 59, 0.06);
            font-weight: 600;
        }
        .tag-cloud-item .count {
            font-size: 12px;
            color: #B8B5AC;
            font-weight: 400;
        }
        /* ===== Editor Picks / Ranked List ===== */
        .ranked-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .ranked-list-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 20px;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            transition: all var(--transition);
            cursor: pointer;
            border-left: 3px solid transparent;
        }
        .ranked-list-item:first-child {
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .ranked-list-item:last-child {
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            border-bottom: none;
        }
        .ranked-list-item:hover {
            background: rgba(27, 94, 59, 0.03);
            border-left-color: var(--accent);
        }
        .rank-number {
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            min-width: 44px;
            text-align: center;
            flex-shrink: 0;
        }
        .rank-number.top1 {
            color: #E5B800;
        }
        .rank-number.top2 {
            color: #9CA3AF;
        }
        .rank-number.top3 {
            color: #B87333;
        }
        .ranked-info {
            flex: 1;
            min-width: 0;
        }
        .ranked-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
            line-height: 1.5;
        }
        .ranked-meta {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .ranked-badge {
            font-size: 12px;
            padding: 2px 10px;
            border-radius: 14px;
            background: rgba(255, 90, 31, 0.1);
            color: var(--accent);
            font-weight: 600;
        }
        /* ===== Subscribe CTA ===== */
        .subscribe-cta {
            background: var(--dark);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-dark);
        }
        .subscribe-cta-content {
            flex: 1;
            min-width: 280px;
        }
        .subscribe-cta h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-on-dark);
            margin: 0 0 10px;
        }
        .subscribe-cta p {
            font-size: 16px;
            color: rgba(248, 247, 242, 0.8);
            margin: 0;
            line-height: 1.7;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex: 1;
            min-width: 260px;
            max-width: 460px;
        }
        .subscribe-form input {
            flex: 1;
            padding: 14px 18px;
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            font-size: 15px;
            background: #fff;
            color: var(--text-primary);
            outline: none;
            transition: all var(--transition);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(255, 90, 31, 0.15);
        }
        .btn-subscribe {
            padding: 14px 28px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-subscribe:hover {
            background: var(--accent-hover);
            color: #fff;
        }
        /* ===== FAQ ===== */
        .faq-heading {
            margin-bottom: 30px;
        }
        .faq-heading h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 8px;
        }
        .faq-heading p {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0;
        }
        .faq-accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-accordion-item:hover {
            box-shadow: var(--shadow-card);
        }
        .faq-accordion-btn {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            transition: all var(--transition);
            gap: 16px;
        }
        .faq-accordion-btn:hover {
            color: var(--primary);
        }
        .faq-accordion-btn .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(27, 94, 59, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition);
            color: var(--primary);
        }
        .faq-accordion-btn.active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(180deg);
        }
        .faq-accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-accordion-content-inner {
            padding: 0 24px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            border-left: 3px solid var(--primary);
            margin-left: 24px;
            padding-left: 18px;
        }
        /* ===== Calendar ===== */
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 6px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }
        .calendar-day-header {
            text-align: center;
            font-size: 13px;
            font-weight: 700;
            color: var(--text-secondary);
            padding: 8px 0;
        }
        .calendar-day {
            text-align: center;
            padding: 12px 6px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            min-height: 56px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 2px;
        }
        .calendar-day:hover {
            background: rgba(27, 94, 59, 0.06);
        }
        .calendar-day.has-event {
            background: rgba(27, 94, 59, 0.1);
            color: var(--primary);
            font-weight: 700;
        }
        .calendar-day.selected {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
        }
        .calendar-day .event-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }
        .calendar-day.selected .event-dot {
            background: #fff;
        }
        .calendar-day.empty {
            cursor: default;
            pointer-events: none;
        }
        /* ===== Load More ===== */
        .load-more-wrapper {
            text-align: center;
            margin-top: 32px;
        }
        .btn-load-more {
            padding: 12px 36px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-load-more:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-load-more i {
            margin-right: 6px;
        }
        /* ===== Back to Top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: var(--shadow-dark);
            opacity: 0;
            pointer-events: none;
            transition: all var(--transition);
            z-index: 90;
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
        }
        .back-to-top:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }
        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark-footer);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-text {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 14px;
        }
        .footer-brand .logo-text span {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(248, 247, 242, 0.7);
            margin: 0;
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(248, 247, 242, 0.7);
            font-size: 14px;
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-subscribe h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }
        .footer-subscribe p {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.7);
            margin: 0 0 14px;
            line-height: 1.7;
        }
        .footer-subscribe-form {
            display: flex;
            gap: 8px;
        }
        .footer-subscribe-form input {
            flex: 1;
            padding: 10px 14px;
            border: 1px solid rgba(248, 247, 242, 0.2);
            border-radius: var(--radius-sm);
            background: rgba(248, 247, 242, 0.08);
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: all var(--transition);
        }
        .footer-subscribe-form input::placeholder {
            color: rgba(248, 247, 242, 0.5);
        }
        .footer-subscribe-form input:focus {
            border-color: var(--accent);
        }
        .footer-subscribe-form button {
            padding: 10px 20px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .footer-subscribe-form button:hover {
            background: var(--accent-hover);
        }
        .footer-bottom {
            border-top: 1px solid rgba(248, 247, 242, 0.12);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(248, 247, 242, 0.5);
        }
        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            :root {
                --spacing-section: 64px;
            }
            section {
                padding: var(--spacing-section) 0;
            }
            .video-list-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .subscribe-cta {
                padding: 36px 28px;
                flex-direction: column;
                text-align: left;
            }
            .subscribe-form {
                max-width: 100%;
                width: 100%;
            }
        }
        @media screen and (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }
            section {
                padding: var(--spacing-section) 0;
            }
            .brand-row {
                height: 60px;
                padding: 0 16px;
            }
            .logo-text {
                font-size: 20px;
            }
            .search-box {
                display: none;
            }
            .btn-login,
            .btn-register {
                padding: 7px 14px;
                font-size: 13px;
            }
            .hamburger {
                display: block;
            }
            .channel-row {
                display: none;
            }
            .video-list-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .featured-card {
                flex: 0 0 280px;
                min-height: 200px;
            }
            .category-banner {
                padding: 32px 0 28px;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .subscribe-cta {
                padding: 28px 20px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-form input {
                width: 100%;
            }
            .btn-subscribe {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .calendar-grid {
                padding: 12px;
                gap: 4px;
            }
            .calendar-day {
                padding: 8px 4px;
                font-size: 12px;
                min-height: 44px;
            }
            .ranked-list-item {
                padding: 14px 14px;
                gap: 12px;
            }
            .rank-number {
                font-size: 20px;
                min-width: 34px;
            }
            .faq-accordion-btn {
                padding: 15px 18px;
                font-size: 15px;
            }
            .faq-accordion-content-inner {
                margin-left: 18px;
                padding: 0 18px 14px;
                padding-left: 14px;
            }
            .back-to-top {
                bottom: 20px;
                right: 20px;
                width: 42px;
                height: 42px;
                font-size: 18px;
            }
            .container,
            .container-narrow,
            .container-wide {
                padding: 0 16px;
            }
        }
        @media screen and (max-width: 520px) {
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
                border-radius: 8px;
            }
            .logo-text {
                font-size: 18px;
            }
            .btn-login,
            .btn-register {
                padding: 6px 10px;
                font-size: 12px;
            }
            .header-actions {
                gap: 6px;
            }
            .video-card-body {
                padding: 16px 16px 18px;
            }
            .video-card-title {
                font-size: 16px;
            }
            .featured-card {
                flex: 0 0 250px;
                min-height: 180px;
            }
            .featured-card-title {
                font-size: 17px;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .faq-accordion-btn {
                font-size: 14px;
                padding: 14px 14px;
            }
            .faq-accordion-content-inner {
                font-size: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1B5E3B;
            --primary-dark: #144A2E;
            --primary-light: #2D7A4F;
            --accent: #FF5A1F;
            --accent-hover: #E54A10;
            --bg: #F7F6F1;
            --card-bg: #FFFFFF;
            --dark: #10251B;
            --dark-footer: #141B18;
            --text-primary: #1E1D1A;
            --text-secondary: #5C5A55;
            --text-on-dark: #F8F7F2;
            --border: rgba(0, 0, 0, 0.06);
            --border-strong: rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.12);
            --shadow-dark: 0 8px 24px rgba(0, 0, 0, 0.25);
            --spacing-section: 72px;
            --spacing-section-mobile: 48px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.85;
            color: var(--text-primary);
            background-color: var(--bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }
        button {
            cursor: pointer;
            font-family: var(--font-stack);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-wide {
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 200;
            background: var(--card-bg);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 24px;
            max-width: 1360px;
            margin: 0 auto;
            gap: 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            font-size: 18px;
            font-weight: 700;
        }
        .logo-text {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border-strong);
            border-radius: var(--radius-sm);
            padding: 0 12px;
            height: 38px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(27, 94, 59, 0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            color: var(--text-primary);
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: #9A9890;
        }
        .search-box .fa-search {
            color: var(--text-secondary);
            font-size: 14px;
        }
        .btn-login {
            padding: 8px 18px;
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-sm);
            background: transparent;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-login:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-register {
            padding: 8px 18px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-register:hover {
            background: var(--accent-hover);
            color: #fff;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--primary);
            padding: 4px;
        }
        .channel-row {
            border-top: 1px solid var(--border);
            height: 48px;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 48px;
            max-width: 1360px;
            margin: 0 auto;
            padding: 0 20px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .channel-nav a {
            display: flex;
            align-items: center;
            padding: 0 16px;
            height: 100%;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            border-bottom: 3px solid transparent;
            transition: color var(--transition), border-color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(27, 94, 59, 0.04);
        }
        .channel-nav a.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
            background: rgba(27, 94, 59, 0.06);
        }

        /* Mobile nav */
        .mobile-drawer {
            display: none;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            padding: 16px 24px;
        }
        .mobile-drawer .channel-mobile {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer a {
            display: block;
            padding: 10px 14px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }
        .mobile-drawer a:hover {
            background: rgba(27, 94, 59, 0.06);
            color: var(--primary);
        }
        .mobile-drawer a.active {
            background: rgba(27, 94, 59, 0.1);
            color: var(--primary);
        }

        /* Sections */
        section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: var(--card-bg);
        }
        .section-dark {
            background: var(--dark);
            color: var(--text-on-dark);
        }

        .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-secondary);
            margin: 0 0 32px;
            line-height: 1.7;
        }
        .section-title.on-dark {
            color: var(--text-on-dark);
        }
        .section-subtitle.on-dark {
            color: rgba(248, 247, 242, 0.7);
        }

        /* Breadcrumb */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            color: #9A9890;
        }

        /* Category banner */
        .category-banner {
            background: linear-gradient(135deg, #F0EDE4 0%, #F7F6F1 40%, #EAF2EC 100%);
            border-bottom: 1px solid var(--border);
            padding: 40px 0 32px;
            position: relative;
            overflow: hidden;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(27, 94, 59, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-banner h1 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin: 0 0 8px;
            line-height: 1.25;
            position: relative;
            z-index: 1;
        }
        .category-banner .banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        /* Cards */
        .card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            height: 200px;
            overflow: hidden;
            background: #E8E5DE;
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-body {
            padding: 20px 22px;
        }
        .card-tag {
            display: inline-block;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 600;
            background: rgba(27, 94, 59, 0.08);
            color: var(--primary);
            border-radius: 999px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .card-title a {
            color: inherit;
        }
        .card-title a:hover {
            color: var(--primary);
        }
        .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .card-meta {
            font-size: 13px;
            color: #9A9890;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .card-meta .fa {
            margin-right: 4px;
        }

        /* Feature list */
        .feature-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 20px;
            background: var(--card-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            margin-bottom: 12px;
            transition: transform var(--transition), box-shadow var(--transition);
            align-items: center;
        }
        .feature-list-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .feature-rank {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent);
            min-width: 50px;
            text-align: center;
            flex-shrink: 0;
        }
        .feature-content {
            flex: 1;
        }
        .feature-content h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 4px;
            color: var(--text-primary);
        }
        .feature-content p {
            font-size: 14px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* Tag cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 999px;
            transition: all var(--transition);
        }
        .tag-cloud a:hover {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
        }
        .tag-cloud a.accent {
            color: var(--accent);
            border-color: rgba(255, 90, 31, 0.3);
        }
        .tag-cloud a.accent:hover {
            color: #fff;
            background: var(--accent);
            border-color: var(--accent);
        }

        /* Subscribe CTA */
        .subscribe-box {
            background: var(--dark);
            color: var(--text-on-dark);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .subscribe-box h3 {
            font-size: 24px;
            font-weight: 800;
            margin: 0 0 6px;
            color: var(--text-on-dark);
        }
        .subscribe-box p {
            font-size: 15px;
            color: rgba(248, 247, 242, 0.75);
            margin: 0;
            line-height: 1.6;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .subscribe-form input {
            padding: 10px 16px;
            border: 1px solid rgba(248, 247, 242, 0.25);
            border-radius: var(--radius-sm);
            background: rgba(248, 247, 242, 0.06);
            color: var(--text-on-dark);
            font-size: 14px;
            min-width: 240px;
            outline: none;
            transition: border-color var(--transition);
        }
        .subscribe-form input::placeholder {
            color: rgba(248, 247, 242, 0.5);
        }
        .subscribe-form input:focus {
            border-color: var(--accent);
        }
        .subscribe-form button {
            padding: 10px 24px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            transition: background var(--transition);
        }
        .subscribe-form button:hover {
            background: var(--accent-hover);
        }

        /* FAQ */
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-left: 4px solid var(--primary);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 20px 24px;
            margin-bottom: 12px;
        }
        .faq-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text-primary);
        }
        .faq-item p {
            font-size: 15px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.8;
        }

        /* Back to top */
        .back-top {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-top: 24px;
        }
        .back-top a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--card-bg);
            border: 1px solid var(--border-strong);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition);
        }
        .back-top a:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        /* Footer */
        .site-footer {
            background: var(--dark-footer);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            color: var(--text-on-dark);
            font-size: 22px;
        }
        .footer-brand .logo-text span {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.7);
            margin-top: 12px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin: 0 0 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(248, 247, 242, 0.7);
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-subscribe h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-on-dark);
            margin: 0 0 8px;
        }
        .footer-subscribe p {
            font-size: 13px;
            color: rgba(248, 247, 242, 0.6);
            margin: 0 0 14px;
            line-height: 1.6;
        }
        .footer-subscribe-form {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .footer-subscribe-form input {
            flex: 1;
            min-width: 160px;
            padding: 10px 14px;
            border: 1px solid rgba(248, 247, 242, 0.25);
            border-radius: var(--radius-sm);
            background: rgba(248, 247, 242, 0.06);
            color: var(--text-on-dark);
            font-size: 14px;
            outline: none;
        }
        .footer-subscribe-form input::placeholder {
            color: rgba(248, 247, 242, 0.4);
        }
        .footer-subscribe-form button {
            padding: 10px 20px;
            border: none;
            border-radius: var(--radius-sm);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition);
        }
        .footer-subscribe-form button:hover {
            background: var(--accent-hover);
        }
        .footer-bottom {
            border-top: 1px solid rgba(248, 247, 242, 0.15);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(248, 247, 242, 0.5);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .search-box {
                min-width: 160px;
            }
            .category-banner h1 {
                font-size: 30px;
            }
            section {
                padding: var(--spacing-section-mobile) 0;
            }
            .subscribe-box {
                padding: 28px 24px;
            }
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .header-actions .search-box {
                display: none;
            }
            .category-banner {
                padding: 28px 0 24px;
            }
            .category-banner h1 {
                font-size: 26px;
            }
            .section-title {
                font-size: 24px;
            }
            .card-img {
                height: 170px;
            }
            .subscribe-form input {
                min-width: 100%;
            }
            .subscribe-form button {
                width: 100%;
            }
        }
        @media (max-width: 520px) {
            .hamburger {
                display: block;
            }
            .header-actions .btn-login,
            .header-actions .btn-register {
                display: none;
            }
            .channel-row {
                display: none;
            }
            .mobile-drawer {
                display: block;
            }
            .mobile-drawer.hidden {
                display: none;
            }
            .category-banner h1 {
                font-size: 22px;
            }
            .card-img {
                height: 150px;
            }
            .feature-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .feature-rank {
                font-size: 24px;
                min-width: auto;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
        }