/* roulang page: index */
:root {
            --primary: #c8963e;
            --primary-dark: #a87a2e;
            --primary-light: #d4a853;
            --primary-bg: #fdf8f0;
            --secondary: #1b1b2f;
            --secondary-light: #252540;
            --accent: #e8c97a;
            --text: #2c2c2c;
            --text-light: #5a5a5a;
            --text-muted: #888888;
            --white: #ffffff;
            --bg: #fafaf7;
            --bg-alt: #f5f2eb;
            --bg-dark: #1b1b2f;
            --border: #e5e0d5;
            --border-light: #f0ebe0;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 60px rgba(0, 0, 0, 0.16);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height-top: 56px;
            --nav-height-bottom: 48px;
            --nav-total: 104px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
            padding-top: var(--nav-total);
            min-height: 100vh;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        ::selection {
            background: var(--primary-light);
            color: var(--white);
        }

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

        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== HEADER & NAVIGATION ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            background: var(--white);
            box-shadow: 0 1px 0 var(--border-light), var(--shadow-sm);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow);
        }

        .nav-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-top);
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            gap: 16px;
        }
        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--secondary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition);
            text-decoration: none;
        }
        .nav-brand:hover {
            color: var(--primary);
            text-decoration: none;
        }
        .nav-brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-search-group {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            max-width: 380px;
            min-width: 180px;
        }
        .nav-search-wrap {
            position: relative;
            flex: 1;
        }
        .nav-search-wrap input {
            width: 100%;
            height: 40px;
            padding: 8px 42px 8px 16px;
            border: 2px solid var(--border);
            border-radius: 50px;
            font-size: 0.9rem;
            background: var(--bg);
            color: var(--text);
            transition: all var(--transition);
            font-family: var(--font-body);
        }
        .nav-search-wrap input:focus {
            outline: none;
            border-color: var(--primary);
            background: var(--white);
            box-shadow: 0 0 0 4px rgba(200, 150, 62, 0.08);
        }
        .nav-search-wrap input::placeholder {
            color: var(--text-muted);
        }
        .nav-search-btn {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--primary);
            border: none;
            color: #fff;
            cursor: pointer;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition);
        }
        .nav-search-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.35);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition);
            font-family: var(--font-body);
            text-decoration: none;
        }
        .nav-cta-btn:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
            color: #fff;
            text-decoration: none;
        }

        .nav-channels-row {
            background: var(--secondary);
            height: var(--nav-height-bottom);
            display: flex;
            align-items: center;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .nav-channels-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channels-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
            flex-shrink: 0;
            min-width: max-content;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            white-space: nowrap;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
            position: relative;
        }
        .nav-channel-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .nav-channel-link.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(200, 150, 62, 0.3);
        }
        .nav-channel-link .channel-badge {
            display: inline-block;
            margin-left: 6px;
            padding: 2px 8px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.18);
            color: #fff;
            letter-spacing: 0;
        }
        .nav-channel-link.active .channel-badge {
            background: rgba(255, 255, 255, 0.35);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--border);
            background: var(--white);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--secondary);
            transition: all var(--transition);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .mobile-menu-toggle.active {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        @media (max-width: 768px) {
            :root {
                --nav-height-top: 52px;
                --nav-height-bottom: 44px;
                --nav-total: 96px;
            }
            .nav-search-group {
                max-width: 200px;
                min-width: 120px;
            }
            .nav-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .nav-cta-btn span {
                display: none;
            }
            .nav-brand {
                font-size: 1.2rem;
            }
            .nav-brand-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
            .nav-channel-link {
                padding: 7px 14px;
                font-size: 0.82rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-search-group {
                display: none;
            }
            .nav-search-group.mobile-visible {
                display: flex;
                position: absolute;
                top: var(--nav-height-top);
                left: 0;
                right: 0;
                max-width: 100%;
                padding: 10px 16px;
                background: var(--white);
                border-bottom: 1px solid var(--border-light);
                z-index: 10;
                box-shadow: var(--shadow-sm);
            }
        }
        @media (max-width: 520px) {
            :root {
                --nav-height-top: 48px;
                --nav-height-bottom: 40px;
                --nav-total: 88px;
            }
            .nav-brand {
                font-size: 1.05rem;
                gap: 6px;
            }
            .nav-brand-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .nav-channel-link {
                padding: 6px 11px;
                font-size: 0.78rem;
            }
            .nav-cta-btn {
                padding: 7px 10px;
                font-size: 0.75rem;
            }
        }

        /* ========== SECTION BASICS ========== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            margin-bottom: 2rem;
            max-width: 640px;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title-wrap .section-title {
            margin-bottom: 0.6rem;
        }
        .section-title-wrap .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 52px 0;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--secondary);
            color: #fff;
            padding: 72px 0 80px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.22;
            pointer-events: none;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(27, 27, 47, 0.7) 0%, rgba(27, 27, 47, 0.88) 60%, rgba(27, 27, 47, 0.96) 100%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            background: rgba(200, 150, 62, 0.25);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--accent);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            margin-bottom: 1.2rem;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            line-height: 1.2;
            margin-bottom: 1rem;
            color: #fff;
        }
        .hero-title span {
            color: var(--accent);
            position: relative;
        }
        .hero-desc {
            font-size: 1.15rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 1.8rem;
            max-width: 600px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-hero-primary:hover {
            background: var(--primary-light);
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.5);
            transform: translateY(-2px);
            color: #fff;
            text-decoration: none;
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.45);
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.3px;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            text-decoration: none;
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stat-item {
            text-align: center;
            min-width: 90px;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent);
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero-section {
                padding: 48px 0 52px;
                min-height: auto;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
            }
        }

        /* ========== STATS BANNER ========== */
        .stats-banner {
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            padding: 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
        }
        .stat-card {
            text-align: center;
            padding: 32px 20px;
            border-right: 1px solid var(--border-light);
            transition: all var(--transition);
            background: var(--white);
        }
        .stat-card:last-child {
            border-right: none;
        }
        .stat-card:hover {
            background: var(--primary-bg);
        }
        .stat-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 0.8rem;
            transition: all var(--transition);
        }
        .stat-card:hover .stat-icon-circle {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--secondary);
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-card {
                border-right: 1px solid var(--border-light);
                border-bottom: 1px solid var(--border-light);
            }
            .stat-card:nth-child(even) {
                border-right: none;
            }
            .stat-card:nth-child(3),
            .stat-card:nth-child(4) {
                border-bottom: none;
            }
            .stat-number {
                font-size: 1.7rem;
            }
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .advantage-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            opacity: 0;
            transition: opacity var(--transition);
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .advantage-card:hover::before {
            opacity: 1;
        }
        .adv-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius);
            background: var(--primary-bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
            transition: all var(--transition);
        }
        .advantage-card:hover .adv-icon-wrap {
            background: var(--primary);
            color: #fff;
        }
        .adv-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            font-family: var(--font-heading);
        }
        .adv-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 992px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== BRAND STORY ========== */
        .brand-story-section {
            background: var(--bg-alt);
            position: relative;
            overflow: hidden;
        }
        .brand-story-bg {
            position: absolute;
            right: 0;
            top: 0;
            width: 45%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            pointer-events: none;
            border-radius: 0 0 0 var(--radius-xl);
        }
        .brand-story-content {
            position: relative;
            z-index: 2;
            max-width: 55%;
            padding-right: 40px;
        }
        .brand-story-content .section-title {
            margin-bottom: 1.2rem;
        }
        .brand-story-text {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-light);
            margin-bottom: 1rem;
        }
        .brand-story-highlight {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            background: var(--primary-bg);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid rgba(200, 150, 62, 0.2);
        }
        @media (max-width: 768px) {
            .brand-story-bg {
                width: 100%;
                opacity: 0.12;
                border-radius: 0;
            }
            .brand-story-content {
                max-width: 100%;
                padding-right: 0;
            }
        }

        /* ========== CATEGORY GRID ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .category-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            text-decoration: none;
            color: var(--text);
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
            color: var(--text);
            text-decoration: none;
        }
        .category-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary-dark);
            margin-bottom: 0.6rem;
            align-self: flex-start;
        }
        .category-card-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--secondary);
            margin-bottom: 0.4rem;
            font-family: var(--font-heading);
        }
        .category-card-desc {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
            flex: 1;
        }
        .category-card-arrow {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            margin-top: 0.8rem;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: gap var(--transition);
        }
        .category-card:hover .category-card-arrow {
            gap: 8px;
            color: var(--primary-dark);
        }
        @media (max-width: 992px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .category-card-img {
                height: 160px;
            }
        }

        /* ========== HIGHLIGHT EVENTS ========== */
        .events-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .event-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .event-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .event-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .event-card-body {
            padding: 20px;
        }
        .event-card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .event-card-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--secondary);
            margin-bottom: 0.5rem;
            font-family: var(--font-heading);
        }
        .event-card-desc {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
            margin-bottom: 0.8rem;
        }
        .event-card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            transition: color var(--transition);
            text-decoration: none;
        }
        .event-card-link:hover {
            color: var(--primary-dark);
        }
        @media (max-width: 768px) {
            .events-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .event-card-img {
                height: 180px;
            }
        }

        /* ========== PARTNERS ========== */
        .partners-section {
            background: var(--white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .partners-scroll {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 32px 40px;
            padding: 20px 0;
        }
        .partner-item {
            padding: 12px 20px;
            background: var(--bg);
            border-radius: var(--radius);
            font-weight: 600;
            color: var(--text-light);
            font-size: 0.95rem;
            letter-spacing: 0.5px;
            transition: all var(--transition);
            border: 1px solid transparent;
            text-align: center;
            min-width: 100px;
        }
        .partner-item:hover {
            border-color: var(--border);
            background: var(--white);
            box-shadow: var(--shadow-sm);
            color: var(--secondary);
        }
        @media (max-width: 520px) {
            .partners-scroll {
                gap: 16px 20px;
            }
            .partner-item {
                padding: 10px 16px;
                font-size: 0.85rem;
            }
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow);
            border-color: transparent;
        }
        .testimonial-quote {
            font-size: 2.5rem;
            color: var(--primary);
            opacity: 0.3;
            line-height: 1;
            font-family: Georgia, serif;
            margin-bottom: -10px;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 1rem;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--secondary);
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-alt);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--secondary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: color var(--transition);
            font-family: var(--font-heading);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition);
            flex-shrink: 0;
            color: var(--text-light);
        }
        .faq-item.open .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
            font-size: 0.93rem;
            color: var(--text-light);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 24px 18px;
        }
        @media (max-width: 520px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.93rem;
            }
            .faq-answer {
                padding: 0 16px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ========== NEWS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .news-card-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            display: block;
        }
        .news-card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
        }
        .news-card-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--secondary);
            margin-bottom: 0.4rem;
            font-family: var(--font-heading);
            line-height: 1.4;
        }
        .news-card-desc {
            font-size: 0.83rem;
            color: var(--text-light);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 0.6rem;
        }
        .news-card-link {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--primary);
            transition: color var(--transition);
            text-decoration: none;
            align-self: flex-start;
        }
        .news-card-link:hover {
            color: var(--primary-dark);
        }
        @media (max-width: 992px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
            .news-card-img {
                height: 180px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: var(--secondary);
            color: #fff;
            text-align: center;
            padding: 64px 0;
            overflow: hidden;
        }
        .cta-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            pointer-events: none;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(27, 27, 47, 0.78);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            letter-spacing: 0.3px;
        }
        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 1.8rem;
            line-height: 1.7;
        }
        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            letter-spacing: 0.5px;
        }
        .btn-cta-lg:hover {
            background: var(--primary-light);
            box-shadow: 0 8px 30px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
            color: #fff;
            text-decoration: none;
        }
        @media (max-width: 520px) {
            .cta-title {
                font-size: 1.5rem;
            }
            .btn-cta-lg {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #141420;
            color: rgba(255, 255, 255, 0.65);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 280px;
        }
        .footer-col-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 7px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            transition: color var(--transition);
            font-size: 0.85rem;
        }
        .footer-links a:hover {
            color: var(--accent);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== ANIMATIONS ========== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== MISC ========== */
        .text-gold {
            color: var(--primary) !important;
        }
        .bg-gold-subtle {
            background: var(--primary-bg);
        }
        .divider {
            width: 50px;
            height: 3px;
            background: var(--primary);
            border-radius: 50px;
            margin: 0 auto 1.5rem;
        }
        .divider-left {
            margin-left: 0;
            margin-right: auto;
        }

/* roulang page: category4 */
:root {
            --brand-primary: #b71c2c;
            --brand-primary-dark: #8b1522;
            --brand-accent: #c8963e;
            --brand-accent-light: #dbb86b;
            --brand-bg: #f9f7f3;
            --brand-surface: #ffffff;
            --brand-text: #1e1e1e;
            --brand-text-secondary: #5c5c5c;
            --brand-text-muted: #8a8a8a;
            --brand-border: #e5e0d8;
            --brand-border-light: #f0ece5;
            --brand-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --brand-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --brand-shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --brand-shadow-hover: 0 8px 28px rgba(183, 28, 44, 0.14);
            --brand-radius-sm: 6px;
            --brand-radius: 10px;
            --brand-radius-lg: 16px;
            --brand-radius-xl: 20px;
            --brand-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --brand-font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --nav-height-top: 56px;
            --nav-height-channels: 48px;
            --container-max: 1200px;
        }

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

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

        body {
            font-family: var(--brand-font);
            background-color: var(--brand-bg);
            color: var(--brand-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

        .container-custom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (min-width: 1400px) {
            .container-custom {
                max-width: 1280px;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: #ffffff;
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 1px 0 var(--brand-border-light), var(--brand-shadow-sm);
            border-bottom: 1px solid var(--brand-border);
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-top);
            padding: 0 20px;
            max-width: var(--container-max);
            margin: 0 auto;
            gap: 20px;
        }
        .brand-logo {
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--brand-primary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .brand-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--brand-primary);
            border-radius: var(--brand-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .header-search-wrap {
            flex: 1;
            max-width: 440px;
            position: relative;
        }
        .header-search-wrap input {
            width: 100%;
            padding: 10px 16px 10px 42px;
            border: 2px solid var(--brand-border);
            border-radius: 28px;
            font-size: 0.95rem;
            background: var(--brand-bg);
            transition: all var(--brand-transition);
            outline: none;
            color: var(--brand-text);
        }
        .header-search-wrap input:focus {
            border-color: var(--brand-primary);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(183, 28, 44, 0.08);
        }
        .header-search-wrap .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--brand-text-muted);
            font-size: 0.95rem;
            pointer-events: none;
        }
        .header-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-header-outline {
            padding: 8px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 2px solid var(--brand-primary);
            color: var(--brand-primary);
            background: transparent;
            cursor: pointer;
            transition: all var(--brand-transition);
            white-space: nowrap;
        }
        .btn-header-outline:hover {
            background: var(--brand-primary);
            color: #fff;
        }
        .btn-header-solid {
            padding: 8px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 2px solid var(--brand-primary);
            background: var(--brand-primary);
            color: #fff;
            cursor: pointer;
            transition: all var(--brand-transition);
            white-space: nowrap;
        }
        .btn-header-solid:hover {
            background: var(--brand-primary-dark);
            border-color: var(--brand-primary-dark);
            color: #fff;
        }

        /* 频道行 */
        .nav-channels-row {
            background: #fff;
            border-top: 1px solid var(--brand-border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-channels-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channels-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 4px 16px;
            height: var(--nav-height-channels);
            white-space: nowrap;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--brand-text-secondary);
            transition: all var(--brand-transition);
            cursor: pointer;
            white-space: nowrap;
            position: relative;
            text-decoration: none;
        }
        .nav-channel-link:hover {
            color: var(--brand-primary);
            background: rgba(183, 28, 44, 0.05);
        }
        .nav-channel-link.active {
            color: #fff;
            background: var(--brand-primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(183, 28, 44, 0.3);
        }
        .nav-channel-link.active .channel-badge {
            background: #fff;
            color: var(--brand-primary);
        }
        .channel-badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 1px 7px;
            border-radius: 10px;
            background: #ffe0e0;
            color: #b71c2c;
            line-height: 1.4;
            animation: badgePulse 2.5s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.1);
            }
        }
        .nav-channel-link.active .channel-badge {
            animation: none;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--brand-text);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--brand-radius-sm);
        }
        @media (max-width: 768px) {
            .header-search-wrap {
                display: none;
            }
            .btn-header-outline {
                display: none;
            }
            .header-top-row {
                gap: 10px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-channels-inner {
                gap: 2px;
                padding: 4px 8px;
            }
            .nav-channel-link {
                padding: 5px 10px;
                font-size: 0.82rem;
                border-radius: 16px;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .btn-header-solid {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .nav-channel-link {
                padding: 4px 8px;
                font-size: 0.76rem;
                border-radius: 14px;
            }
            .brand-logo {
                font-size: 1rem;
            }
            .brand-logo .logo-icon {
                width: 24px;
                height: 24px;
                font-size: 0.75rem;
            }
            .header-top-row {
                height: 48px;
            }
            .nav-channels-inner {
                height: 40px;
            }
        }

        /* ========== MAIN CONTENT ========== */
        main {
            flex: 1;
        }

        /* 板块间距 */
        .section-block {
            padding: 56px 0;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 36px 0;
            }
        }
        @media (max-width: 520px) {
            .section-block {
                padding: 28px 0;
            }
        }

        /* Banner */
        .category-banner {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #2d1a25 40%, #3d1f2a 100%);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 80px 0 70px;
            color: #fff;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(0, 0, 0, 0.55);
            z-index: 1;
        }
        .category-banner .container-custom {
            position: relative;
            z-index: 2;
        }
        .category-banner .banner-badge {
            display: inline-block;
            background: var(--brand-accent);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 4px 14px;
            border-radius: 14px;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .category-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .category-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            line-height: 1.6;
        }
        .category-banner .banner-stats-row {
            display: flex;
            gap: 36px;
            margin-top: 28px;
            flex-wrap: wrap;
        }
        .category-banner .banner-stat-item {
            display: flex;
            flex-direction: column;
        }
        .category-banner .banner-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-accent-light);
            line-height: 1.1;
        }
        .category-banner .banner-stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .category-banner {
                padding: 50px 0 44px;
            }
            .category-banner h1 {
                font-size: 1.9rem;
            }
            .category-banner .banner-subtitle {
                font-size: 0.95rem;
            }
            .category-banner .banner-stats-row {
                gap: 20px;
            }
            .category-banner .banner-stat-number {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .category-banner {
                padding: 36px 0 32px;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .category-banner .banner-subtitle {
                font-size: 0.88rem;
            }
            .category-banner .banner-stats-row {
                gap: 14px;
            }
            .category-banner .banner-stat-number {
                font-size: 1.25rem;
            }
        }

        /* 区块标题 */
        .section-title-group {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-title-group .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--brand-accent);
            background: rgba(200, 150, 62, 0.1);
            padding: 4px 12px;
            border-radius: 12px;
            margin-bottom: 10px;
        }
        .section-title-group h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--brand-text);
            margin: 0;
            letter-spacing: 0.01em;
        }
        .section-title-group .section-desc {
            color: var(--brand-text-secondary);
            max-width: 560px;
            margin: 10px auto 0;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .section-title-group h2 {
                font-size: 1.45rem;
            }
            .section-title-group {
                margin-bottom: 28px;
            }
        }

        /* 排行卡片 */
        .ranking-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--brand-surface);
            border-radius: var(--brand-radius);
            padding: 16px 20px;
            box-shadow: var(--brand-shadow-sm);
            border: 1px solid var(--brand-border-light);
            transition: all var(--brand-transition);
            cursor: pointer;
        }
        .ranking-item:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-2px);
            border-color: transparent;
        }
        .ranking-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .ranking-number.top1 {
            background: #ffd700;
            color: #5c3d00;
        }
        .ranking-number.top2 {
            background: #c0c0c0;
            color: #2e2e2e;
        }
        .ranking-number.top3 {
            background: #cd7f32;
            color: #fff;
        }
        .ranking-number.normal {
            background: #f0ece5;
            color: var(--brand-text-secondary);
        }
        .ranking-info {
            flex: 1;
            min-width: 0;
        }
        .ranking-info .ranking-title {
            font-weight: 600;
            font-size: 1rem;
            color: var(--brand-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .ranking-info .ranking-meta {
            font-size: 0.82rem;
            color: var(--brand-text-muted);
            margin-top: 2px;
        }
        .ranking-heat {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--brand-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* 推荐卡片网格 */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 992px) {
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }
        @media (max-width: 520px) {
            .recommend-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .recommend-card {
            background: var(--brand-surface);
            border-radius: var(--brand-radius-lg);
            overflow: hidden;
            box-shadow: var(--brand-shadow);
            border: 1px solid var(--brand-border-light);
            transition: all var(--brand-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .recommend-card:hover {
            box-shadow: var(--brand-shadow-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .recommend-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8e3d9;
        }
        .recommend-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .recommend-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .recommend-card .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--brand-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            z-index: 2;
        }
        .recommend-card .card-tag.hot-tag {
            background: #e74c3c;
        }
        .recommend-card .card-tag.new-tag {
            background: #27ae60;
        }
        .recommend-card .card-body-content {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .recommend-card .card-body-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--brand-text);
            line-height: 1.4;
        }
        .recommend-card .card-body-content p {
            font-size: 0.88rem;
            color: var(--brand-text-secondary);
            margin: 0 0 14px;
            flex: 1;
            line-height: 1.55;
        }
        .recommend-card .card-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--brand-text-muted);
            border-top: 1px solid var(--brand-border-light);
            padding-top: 12px;
            margin-top: auto;
        }
        .recommend-card .card-meta-row .meta-stat {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* 精选专题 */
        .featured-topic-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .featured-topic-grid {
                grid-template-columns: 1fr;
            }
        }
        .featured-topic-item {
            background: var(--brand-surface);
            border-radius: var(--brand-radius-lg);
            padding: 28px 24px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            box-shadow: var(--brand-shadow-sm);
            border: 1px solid var(--brand-border-light);
            transition: all var(--brand-transition);
            cursor: pointer;
        }
        .featured-topic-item:hover {
            box-shadow: var(--brand-shadow);
            transform: translateY(-2px);
            border-color: transparent;
        }
        .featured-topic-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--brand-radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .ft-icon-1 {
            background: #fef3e0;
            color: #c8963e;
        }
        .ft-icon-2 {
            background: #fde8e8;
            color: #b71c2c;
        }
        .ft-icon-3 {
            background: #e8f4f8;
            color: #1a6d8a;
        }
        .ft-icon-4 {
            background: #e8f0e8;
            color: #2d6a2d;
        }
        .featured-topic-content h4 {
            font-weight: 700;
            font-size: 1rem;
            margin: 0 0 6px;
            color: var(--brand-text);
        }
        .featured-topic-content p {
            font-size: 0.88rem;
            color: var(--brand-text-secondary);
            margin: 0;
            line-height: 1.55;
        }

        /* FAQ */
        .faq-accordion .accordion-item {
            border: none;
            border-bottom: 1px solid var(--brand-border-light);
            background: transparent;
            margin-bottom: 4px;
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--brand-text);
            background: transparent;
            box-shadow: none;
            padding: 18px 8px;
            border: none;
            transition: color var(--brand-transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--brand-primary);
            background: transparent;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
        }
        .faq-accordion .accordion-body {
            padding: 0 8px 18px;
            color: var(--brand-text-secondary);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #b71c2c 0%, #8b1522 100%);
            border-radius: var(--brand-radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 50%;
        }
        .cta-block .cta-inner {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: 0.01em;
        }
        .cta-block p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-large {
            display: inline-block;
            padding: 13px 36px;
            background: #fff;
            color: var(--brand-primary);
            font-weight: 700;
            font-size: 1rem;
            border-radius: 30px;
            transition: all var(--brand-transition);
            cursor: pointer;
            border: none;
            letter-spacing: 0.02em;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
        }
        .btn-cta-large:hover {
            background: var(--brand-accent-light);
            color: #1a1a2e;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
        }
        @media (max-width: 768px) {
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
            .btn-cta-large {
                padding: 11px 28px;
                font-size: 0.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1a2e;
            color: #c8c8d0;
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .footer-brand-desc {
            font-size: 0.88rem;
            color: #a0a0b0;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: #e0e0e6;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: #a0a0b0;
            font-size: 0.88rem;
            transition: color var(--brand-transition);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #707080;
        }

        /* 小标签 */
        .inline-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 10px;
            vertical-align: middle;
            margin-left: 4px;
        }
        .badge-fire {
            background: #ffe0e0;
            color: #c0392b;
        }
        .badge-star {
            background: #fff8e0;
            color: #b8860b;
        }

/* roulang page: category2 */
:root {
            --primary: #1a3c5e;
            --primary-light: #1e5080;
            --primary-dark: #0f2a42;
            --accent: #d4a853;
            --accent-light: #e6c46a;
            --accent-dark: #b8913a;
            --bg-body: #f7f6f3;
            --bg-white: #ffffff;
            --bg-light: #f0ede7;
            --bg-dark: #0f1f30;
            --text-primary: #1a1a1a;
            --text-secondary: #4a4a4a;
            --text-muted: #7a7a7a;
            --text-light: #9a9a9a;
            --text-on-dark: #e8e6e0;
            --border: #e0dcd5;
            --border-light: #ede9e2;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.04);
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 4px 20px rgba(212, 168, 83, 0.25);
            --transition-fast: 0.2s ease;
            --transition: 0.3s ease;
            --transition-slow: 0.5s ease;
            --section-gap: 80px;
            --section-gap-md: 60px;
            --section-gap-sm: 40px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            line-height: 1.7;
            background-color: var(--bg-body);
            color: var(--text-primary);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.35;
            color: var(--text-primary);
        }

        /* Container */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--bg-white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 1px 0 var(--border-light), 0 2px 12px rgba(0, 0, 0, 0.04);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.10);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }
        .brand-logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--accent-dark);
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search-input {
            width: 220px;
            height: 40px;
            padding: 0 40px 0 16px;
            border: 1.5px solid var(--border);
            border-radius: 24px;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: var(--bg-light);
            outline: none;
            transition: all var(--transition-fast);
        }
        .header-search-input:focus {
            border-color: var(--accent);
            background: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.10);
            width: 260px;
        }
        .header-search-input::placeholder {
            color: var(--text-light);
        }
        .header-search-btn {
            position: absolute;
            right: 4px;
            width: 32px;
            height: 32px;
            border: none;
            background: transparent;
            color: var(--text-muted);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
            font-size: 0.85rem;
        }
        .header-search-btn:hover {
            color: var(--accent);
            background: rgba(212, 168, 83, 0.08);
        }
        .header-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .header-cta-btn:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
        }
        .header-cta-btn:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        /* Channel Nav Row */
        .nav-channels-wrapper {
            border-top: 1px solid var(--border-light);
            background: var(--bg-white);
            position: relative;
        }
        .nav-channels-row {
            display: flex;
            align-items: center;
            overflow-x: auto;
            white-space: nowrap;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            gap: 2px;
            padding: 6px 0;
        }
        .nav-channels-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channels-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-shrink: 0;
            padding: 0 4px;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            flex-shrink: 0;
            letter-spacing: 0.3px;
        }
        .nav-channel-link:hover {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.05);
        }
        .nav-channel-link.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 60, 94, 0.25);
        }
        .nav-channel-link.active:hover {
            color: #fff;
            background: var(--primary-light);
        }
        .channel-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 10px;
            background: #e74c3c;
            color: #fff;
            line-height: 1;
            animation: badgePulse 2s ease-in-out infinite;
            letter-spacing: 0.5px;
        }
        @keyframes badgePulse {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: none;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-fast);
        }
        .mobile-nav-toggle:hover {
            background: var(--border);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: transparent;
            padding: 16px 0 0 0;
            margin: 0;
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            padding: 0;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .breadcrumb-bar .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb-item+.breadcrumb-item::before {
            content: '›';
            color: var(--text-light);
            font-weight: 400;
            padding: 0 6px;
        }
        .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 500;
        }

        /* ========== INNER BANNER ========== */
        .inner-banner {
            position: relative;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
            margin-top: 4px;
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 42, 66, 0.88) 0%, rgba(26, 60, 94, 0.78) 40%, rgba(15, 30, 48, 0.85) 100%);
            z-index: 1;
        }
        .inner-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.08);
            z-index: 1;
            pointer-events: none;
        }
        .inner-banner-content {
            position: relative;
            z-index: 2;
            padding: 40px 0;
        }
        .inner-banner .banner-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(212, 168, 83, 0.2);
            color: var(--accent-light);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(212, 168, 83, 0.3);
        }
        .inner-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .inner-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.7;
        }
        .inner-banner .banner-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .inner-banner .banner-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
        }
        .inner-banner .banner-stat-item i {
            color: var(--accent-light);
            font-size: 1rem;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .section-header .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== STAT CARDS ========== */
        .stat-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent) 0%, var(--accent-light) 100%);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-slow);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .stat-card:hover::before {
            transform: scaleX(1);
        }
        .stat-card .stat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.12);
            color: var(--accent-dark);
            font-size: 1.4rem;
            margin-bottom: 14px;
            transition: all var(--transition);
        }
        .stat-card:hover .stat-icon {
            background: var(--accent);
            color: #fff;
            transform: scale(1.08);
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            margin-bottom: 4px;
            line-height: 1;
        }
        .stat-card .stat-unit {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-card .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ========== TOOL CARDS ========== */
        .tool-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .tool-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .tool-card .tool-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .tool-card .tool-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .tool-card:hover .tool-card-img img {
            transform: scale(1.06);
        }
        .tool-card .tool-card-img .tool-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 30, 48, 0.7) 0%, transparent 50%);
            opacity: 0;
            transition: opacity var(--transition);
            display: flex;
            align-items: flex-end;
            padding: 16px;
        }
        .tool-card:hover .tool-overlay {
            opacity: 1;
        }
        .tool-card .tool-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tool-card .tool-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .tool-card .tool-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 12px;
            line-height: 1.6;
        }
        .tool-card .tool-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .tool-card .tool-tag {
            display: inline-block;
            padding: 3px 10px;
            font-size: 0.75rem;
            border-radius: 12px;
            background: rgba(26, 60, 94, 0.06);
            color: var(--primary);
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .tool-card .tool-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== CASE SHOWCASE ========== */
        .case-showcase {
            display: flex;
            gap: 32px;
            align-items: center;
            flex-wrap: wrap;
        }
        .case-showcase.reverse {
            flex-direction: row-reverse;
        }
        .case-showcase .case-images {
            flex: 1 1 420px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 12px;
            min-width: 280px;
        }
        .case-showcase .case-images .case-img-main {
            grid-column: 1 / -1;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }
        .case-showcase .case-images .case-img-sub {
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4 / 3;
        }
        .case-showcase .case-images img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .case-showcase .case-images .case-img-main:hover img,
        .case-showcase .case-images .case-img-sub:hover img {
            transform: scale(1.05);
        }
        .case-showcase .case-info {
            flex: 1 1 360px;
            min-width: 280px;
        }
        .case-showcase .case-info h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-primary);
        }
        .case-showcase .case-info p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 10px;
        }
        .case-highlight-list {
            list-style: none;
            padding: 0;
            margin: 16px 0;
        }
        .case-highlight-list li {
            padding: 7px 0 7px 28px;
            position: relative;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .case-highlight-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 7px;
            color: var(--accent);
            font-weight: 700;
            font-size: 0.9rem;
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 28px 18px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .process-step:hover {
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
            transition: all var(--transition);
        }
        .process-step:hover .step-number {
            background: var(--accent);
            box-shadow: var(--shadow-accent);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-primary);
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .process-connector {
            display: none;
        }

        /* ========== FAQ ACCORDION ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            background: var(--bg-white);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            background: var(--bg-white);
            padding: 18px 22px;
            border-radius: var(--radius) !important;
            transition: all var(--transition-fast);
            box-shadow: none !important;
            letter-spacing: 0.3px;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(26, 60, 94, 0.03);
            border-bottom: 1px solid var(--border-light);
            border-radius: var(--radius) var(--radius) 0 0 !important;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 168, 83, 0.15) !important;
            border-color: var(--accent);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: transform var(--transition-fast);
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px 22px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-white);
        }
        .faq-accordion .accordion-body p {
            margin-bottom: 6px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            background: url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            padding: 80px 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 42, 66, 0.9) 0%, rgba(26, 60, 94, 0.85) 100%);
            z-index: 1;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .cta-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: var(--shadow-accent);
            letter-spacing: 0.4px;
        }
        .btn-cta-primary:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 168, 83, 0.35);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            letter-spacing: 0.4px;
        }
        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-brand-desc {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            display: inline-block;
            padding: 2px 0;
        }
        .footer-links li a:hover {
            color: var(--accent-light);
            transform: translateX(3px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stat-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tool-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .inner-banner h1 {
                font-size: 2rem;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section {
                padding: var(--section-gap-md) 0;
            }
        }

        @media (max-width: 768px) {
            .header-search-input {
                width: 160px;
                font-size: 0.85rem;
            }
            .header-search-input:focus {
                width: 180px;
            }
            .header-cta-btn {
                padding: 8px 14px;
                font-size: 0.8rem;
                gap: 4px;
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-channel-link {
                padding: 7px 13px;
                font-size: 0.8rem;
            }
            .inner-banner {
                min-height: 240px;
            }
            .inner-banner h1 {
                font-size: 1.7rem;
            }
            .inner-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .inner-banner .banner-stats-row {
                gap: 16px;
            }
            .stat-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .tool-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .case-showcase {
                flex-direction: column;
                gap: 24px;
            }
            .case-showcase.reverse {
                flex-direction: column;
            }
            .case-showcase .case-images {
                flex: auto;
                min-width: auto;
            }
            .case-showcase .case-info {
                flex: auto;
                min-width: auto;
            }
            .case-showcase .case-info h2 {
                font-size: 1.35rem;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            .inner-banner .banner-stats-row {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .header-brand-row {
                flex-wrap: wrap;
                gap: 10px;
            }
            .header-search-wrap {
                order: 3;
                width: 100%;
            }
            .header-search-input {
                width: 100%;
            }
            .header-search-input:focus {
                width: 100%;
            }
            .header-cta-btn {
                font-size: 0.78rem;
                padding: 7px 12px;
            }
            .brand-logo {
                font-size: 1.1rem;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .nav-channel-link {
                padding: 6px 10px;
                font-size: 0.75rem;
                border-radius: 16px;
            }
            .stat-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 16px 12px;
                border-radius: var(--radius);
            }
            .stat-card .stat-number {
                font-size: 1.4rem;
            }
            .stat-card .stat-icon {
                width: 38px;
                height: 38px;
                font-size: 1.1rem;
                margin-bottom: 10px;
            }
            .inner-banner {
                min-height: 200px;
            }
            .inner-banner h1 {
                font-size: 1.4rem;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-cta-primary,
            .btn-cta-outline {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .inner-banner .banner-stats-row {
                flex-direction: column;
                gap: 6px;
                margin-top: 12px;
            }
            .inner-banner .banner-stat-item {
                font-size: 0.8rem;
            }
            .case-showcase .case-images {
                grid-template-columns: 1fr;
            }
            .case-showcase .case-images .case-img-sub {
                aspect-ratio: 16 / 9;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a3c6e;
            --primary-light: #1e4d8c;
            --primary-dark: #0f2557;
            --accent: #e8590c;
            --accent-light: #f7672e;
            --accent-dark: #c94a08;
            --gold: #d4a843;
            --gold-light: #e8c876;
            --bg-white: #ffffff;
            --bg-light: #f8f9fb;
            --bg-soft: #f0f2f7;
            --bg-card: #ffffff;
            --text-primary: #1a1d26;
            --text-secondary: #4a4f5c;
            --text-muted: #7a7f8c;
            --text-light: #9ca1af;
            --border-color: #e2e5ec;
            --border-light: #edf0f5;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
            --max-width: 1240px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-white);
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        @media (min-width: 768px) {
            .container {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
        }
        .header-row-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .brand-logo-link {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .brand-logo-link:hover {
            color: var(--primary-light);
        }
        .brand-logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            font-weight: 800;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(26, 60, 110, 0.25);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-shrink: 0;
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.3rem;
            background: var(--accent);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-header-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .search-toggle-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-fast);
        }
        .search-toggle-btn:hover {
            background: var(--bg-soft);
            color: var(--primary);
            border-color: var(--primary-light);
        }

        /* 频道导航行 */
        .nav-channels-row {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-channels-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channels-inner {
            display: flex;
            align-items: center;
            gap: 0.3rem;
            padding: 0.5rem 0;
            flex-wrap: nowrap;
            white-space: nowrap;
            min-width: max-content;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.1rem;
            border-radius: var(--radius-full);
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            border: 1px solid transparent;
            white-space: nowrap;
            flex-shrink: 0;
            position: relative;
        }
        .nav-channel-link:hover {
            color: var(--primary);
            background: var(--bg-soft);
            border-color: var(--border-light);
        }
        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-color: var(--primary);
            box-shadow: 0 2px 10px rgba(26, 60, 110, 0.3);
        }
        .nav-channel-link.active:hover {
            background: var(--primary-light);
            color: #fff;
            border-color: var(--primary-light);
        }
        .channel-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 0.15rem 0.45rem;
            border-radius: 20px;
            background: #fde8d0;
            color: var(--accent);
            line-height: 1;
            letter-spacing: 0.03em;
        }
        .nav-channel-link.active .channel-badge {
            background: rgba(255, 255, 255, 0.3);
            color: #fff;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border-color);
            background: var(--bg-white);
            color: var(--text-primary);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: var(--bg-soft);
        }

        @media (max-width: 768px) {
            .header-row-top {
                padding: 0.6rem 0;
            }
            .brand-logo-link {
                font-size: 1.2rem;
                gap: 0.4rem;
            }
            .brand-logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .btn-header-cta {
                padding: 0.45rem 1rem;
                font-size: 0.8rem;
            }
            .search-toggle-btn {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
            }
            .nav-channel-link {
                padding: 0.4rem 0.85rem;
                font-size: 0.8rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
        }

        /* ========== 页面Banner ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #0f2557 0%, #1a3c6e 40%, #1e4d8c 100%);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 3.5rem 0;
            color: #fff;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 37, 87, 0.88) 0%, rgba(26, 60, 110, 0.78) 50%, rgba(30, 77, 140, 0.7) 100%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 0.75rem;
            flex-wrap: wrap;
        }
        .page-banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .page-banner-breadcrumb a:hover {
            color: #fff;
        }
        .page-banner-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.5);
        }
        .page-banner-title {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }
        .page-banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 650px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 2.5rem 0;
                min-height: 200px;
            }
            .page-banner-title {
                font-size: 1.6rem;
            }
            .page-banner-desc {
                font-size: 0.95rem;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--spacing-3xl) 0;
        }
        .section-block.bg-light {
            background: var(--bg-light);
        }
        .section-block.bg-soft {
            background: var(--bg-soft);
        }
        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }
        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            letter-spacing: 0.02em;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .section-divider {
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
            margin: 0.75rem auto 0;
        }

        /* ========== 资讯卡片网格 ========== */
        .news-card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 1.5rem;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-color);
        }
        .news-card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-soft);
        }
        .news-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-card:hover .news-card-img-wrap img {
            transform: scale(1.04);
        }
        .news-card-badge {
            position: absolute;
            top: 0.75rem;
            left: 0.75rem;
            background: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.7rem;
            border-radius: 20px;
            z-index: 2;
        }
        .news-card-body {
            padding: 1.25rem 1.25rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.4rem;
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        .news-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-title a {
            color: inherit;
        }
        .news-card-title a:hover {
            color: var(--accent);
        }
        .news-card-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 1rem;
            padding-top: 0.75rem;
            border-top: 1px solid var(--border-light);
        }
        .news-card-tag {
            font-size: 0.78rem;
            color: var(--primary);
            background: rgba(26, 60, 110, 0.06);
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            font-weight: 500;
        }
        .news-card-readmore {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 0.3rem;
            transition: gap var(--transition-fast);
        }
        .news-card-readmore:hover {
            gap: 0.55rem;
            color: var(--accent-dark);
        }
        @media (max-width: 768px) {
            .news-card-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .news-card-body {
                padding: 1rem 1rem 1.25rem;
            }
            .news-card-title {
                font-size: 1rem;
            }
        }

        /* ========== 热点排行 ========== */
        .hot-rank-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .hot-rank-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 1rem 1.25rem;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-sm);
        }
        .hot-rank-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-color);
            transform: translateX(4px);
        }
        .hot-rank-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            flex-shrink: 0;
            color: #fff;
        }
        .hot-rank-num.top1 {
            background: linear-gradient(135deg, #f59e0b, #d97706);
        }
        .hot-rank-num.top2 {
            background: linear-gradient(135deg, #94a3b8, #64748b);
        }
        .hot-rank-num.top3 {
            background: linear-gradient(135deg, #d4a843, #a67c2e);
        }
        .hot-rank-num.normal {
            background: var(--bg-soft);
            color: var(--text-muted);
        }
        .hot-rank-info {
            flex: 1;
            min-width: 0;
        }
        .hot-rank-info h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-rank-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0.2rem 0 0;
        }
        .hot-rank-heat {
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }
        @media (max-width: 576px) {
            .hot-rank-item {
                padding: 0.75rem 1rem;
                gap: 0.6rem;
            }
            .hot-rank-num {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .hot-rank-info h4 {
                font-size: 0.85rem;
            }
        }

        /* ========== 统计卡片 ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .stat-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1.5rem;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 0.6rem;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.03em;
        }
        .stat-number span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
            font-weight: 500;
        }
        @media (max-width: 992px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-card {
                padding: 1rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-icon {
                font-size: 1.5rem;
            }
        }

        /* ========== CTA区块 ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 3rem 2.5rem;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .cta-block h3 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-main {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 2rem;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: none;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
        }
        .btn-cta-main:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        @media (max-width: 576px) {
            .cta-block {
                padding: 2rem 1.25rem;
                border-radius: var(--radius-lg);
            }
            .cta-block h3 {
                font-size: 1.35rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
        }

        /* ========== FAQ板块 ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--border-color);
        }
        .faq-question {
            padding: 1.15rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--text-primary);
            gap: 0.75rem;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: var(--bg-soft);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            color: var(--text-muted);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer-inner {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== 订阅栏 ========== */
        .subscribe-row {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 2rem;
            border: 2px solid var(--border-light);
            box-shadow: var(--shadow-md);
            max-width: 700px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .subscribe-input {
            flex: 1;
            min-width: 220px;
            padding: 0.7rem 1.2rem;
            border-radius: var(--radius-full);
            border: 2px solid var(--border-color);
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .subscribe-input:focus {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(26, 60, 110, 0.08);
        }
        .btn-subscribe {
            padding: 0.7rem 1.8rem;
            border-radius: var(--radius-full);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-subscribe:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #111827;
            color: #cbd5e1;
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            line-height: 1.6;
            color: #94a3b8;
        }
        .footer-col-title {
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 0.75rem;
            font-size: 0.9rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 0.45rem;
        }
        .footer-links a {
            color: #94a3b8;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid #1f2937;
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.8rem;
            color: #64748b;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 响应式微调 ========== */
        @media (max-width: 1024px) {
            .section-block {
                padding: 2.5rem 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .section-block {
                padding: 2rem 0;
            }
            .news-card-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .subscribe-row {
                flex-direction: column;
                padding: 1.25rem;
            }
            .subscribe-input {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1B3A5C;
            --color-primary-dark: #0F2640;
            --color-primary-light: #2A5580;
            --color-accent: #D4943A;
            --color-accent-light: #E8B45C;
            --color-accent-dark: #B07528;
            --color-bg: #F7F8FA;
            --color-surface: #FFFFFF;
            --color-text: #1E293B;
            --color-text-soft: #475569;
            --color-text-muted: #64748B;
            --color-border: #E2E8F0;
            --color-border-light: #F1F5F9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', system-ui, sans-serif;
            --max-width: 1200px;
            --header-height: 56px;
            --nav-channels-height: 48px;
        }

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

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

        body {
            font-family: var(--font-body);
            background-color: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

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

        /* ========== HEADER ========== */
        .site-header {
            background: var(--color-surface);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            flex-wrap: wrap;
            gap: 10px;
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--color-primary-light);
        }
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search-wrap input {
            border: 1.5px solid var(--color-border);
            border-radius: 24px;
            padding: 7px 16px 7px 38px;
            font-size: 0.9rem;
            background: var(--color-bg);
            color: var(--color-text);
            width: 200px;
            transition: all var(--transition-base);
            outline: none;
        }
        .header-search-wrap input:focus {
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(212, 148, 58, 0.10);
            width: 240px;
        }
        .header-search-wrap .search-icon {
            position: absolute;
            left: 13px;
            color: var(--color-text-muted);
            font-size: 0.85rem;
            pointer-events: none;
            transition: color var(--transition-fast);
        }
        .header-search-wrap input:focus~.search-icon,
        .header-search-wrap input:focus+.search-icon {
            color: var(--color-accent);
        }
        .btn-header-cta {
            background: var(--color-accent);
            color: #fff;
            border: none;
            border-radius: 24px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }
        .btn-header-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-header-cta:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        /* ========== NAV CHANNELS ROW ========== */
        .nav-channels-row {
            background: var(--color-primary);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-channels-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channels-inner {
            display: flex;
            align-items: center;
            gap: 2px;
            padding: 6px 0;
            flex-wrap: nowrap;
            min-width: max-content;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.9rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 22px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            position: relative;
            text-decoration: none;
        }
        .nav-channel-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.10);
            text-decoration: none;
        }
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.18);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .channel-badge {
            display: inline-block;
            font-size: 0.68rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 10px;
            line-height: 1.3;
            background: #e74c3c;
            color: #fff;
            animation: badgePulse 2s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        /* ========== MAIN CONTAINER ========== */
        .main-content {
            flex: 1;
        }
        .section-block {
            padding: 60px 0;
        }
        .section-block-sm {
            padding: 40px 0;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
            text-align: center;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-bottom: 36px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .section-divider {
            width: 56px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 10px auto 30px auto;
        }

        /* ========== BANNER ========== */
        .inner-banner {
            position: relative;
            background: var(--color-primary-dark) url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 38, 64, 0.88) 0%, rgba(27, 58, 92, 0.75) 60%, rgba(212, 148, 58, 0.22) 100%);
            z-index: 1;
        }
        .inner-banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            padding: 40px 20px;
            width: 100%;
        }
        .inner-banner-content .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            text-transform: uppercase;
        }
        .inner-banner-content h1 {
            font-family: var(--font-heading);
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
            color: #fff;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }
        .inner-banner-content .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 600px;
            margin: 0 auto 24px auto;
            line-height: 1.7;
        }
        .banner-stats-row {
            display: flex;
            gap: 32px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .banner-stat-item {
            text-align: center;
            color: #fff;
        }
        .banner-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            letter-spacing: 0.02em;
        }
        .banner-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ========== CARDS ========== */
        .custom-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .custom-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .custom-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg);
        }
        .custom-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .custom-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .custom-card .card-img-wrap .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .custom-card .card-body-wrap {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .custom-card .card-title {
            font-family: var(--font-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .custom-card .card-text {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .custom-card .card-meta {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* ========== TIPS LIST ========== */
        .tips-list-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            margin-bottom: 12px;
            transition: all var(--transition-fast);
        }
        .tips-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(3px);
        }
        .tips-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .tips-list-item:nth-child(even) .tips-num {
            background: var(--color-accent);
        }
        .tips-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .tips-content p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== ADVANCED SECTION ========== */
        .advanced-block {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }
        .advanced-block h3 {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .advanced-block .advanced-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin: 16px 0;
        }
        .advanced-block .advanced-img img {
            width: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
            transition: transform var(--transition-slow);
        }
        .advanced-block:hover .advanced-img img {
            transform: scale(1.03);
        }

        /* ========== STATS CARDS ========== */
        .stat-card-mini {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .stat-card-mini:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--color-accent-light);
        }
        .stat-card-mini .stat-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .stat-card-mini .stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
        }
        .stat-card-mini .stat-unit {
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-wrap .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            padding: 16px 20px;
            transition: all var(--transition-fast);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--color-primary);
            background: #f8fafd;
            border-color: var(--color-accent-light);
            box-shadow: none;
            border-bottom-left-radius: 0 !important;
            border-bottom-right-radius: 0 !important;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(212, 148, 58, 0.12);
            border-color: var(--color-accent);
        }
        .faq-wrap .accordion-body {
            background: #fafbfc;
            border: 1px solid var(--color-border-light);
            border-top: none;
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            padding: 18px 20px;
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.75;
        }
        .faq-wrap .accordion-item {
            border: none;
            margin-bottom: 10px;
            background: transparent;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary) url('assets/images/backpic/back-3.webp') center/cover no-repeat;
            position: relative;
            text-align: center;
            padding: 70px 20px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            margin: 0 0 40px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 38, 64, 0.85);
            z-index: 1;
            border-radius: var(--radius-xl);
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            color: #fff;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 24px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-main {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 36px;
            border-radius: 30px;
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            text-decoration: none;
            border: none;
            cursor: pointer;
        }
        .btn-cta-main:hover {
            background: var(--color-accent-light);
            color: #fff;
            box-shadow: 0 8px 28px rgba(212, 148, 58, 0.40);
            transform: translateY(-2px);
            text-decoration: none;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0F1F33;
            color: rgba(255, 255, 255, 0.78);
            padding: 50px 0 30px;
            font-size: 0.9rem;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 30px;
        }
        .footer-brand-name {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-brand-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.62);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            text-decoration: none;
        }
        .footer-links a:hover {
            color: var(--color-accent-light);
            text-decoration: none;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.02em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .inner-banner {
                min-height: 320px;
            }
            .inner-banner-content h1 {
                font-size: 2.1rem;
            }
            .banner-stats-row {
                gap: 20px;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .header-brand-row {
                flex-wrap: wrap;
                gap: 8px;
            }
            .header-search-wrap input {
                width: 150px;
                font-size: 0.82rem;
                padding: 6px 14px 6px 32px;
            }
            .header-search-wrap input:focus {
                width: 170px;
            }
            .btn-header-cta {
                padding: 6px 14px;
                font-size: 0.82rem;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-channel-link {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .inner-banner {
                min-height: 280px;
            }
            .inner-banner-content h1 {
                font-size: 1.7rem;
            }
            .inner-banner-content .banner-desc {
                font-size: 0.95rem;
            }
            .banner-stat-item .stat-num {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 40px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
            .advanced-block {
                padding: 24px 16px;
            }
            .tips-list-item {
                flex-direction: column;
                gap: 10px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
            .btn-cta-main {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .header-brand-row {
                flex-direction: column;
                align-items: flex-start;
            }
            .header-actions {
                width: 100%;
                justify-content: space-between;
            }
            .header-search-wrap input {
                width: 120px;
                font-size: 0.78rem;
            }
            .header-search-wrap input:focus {
                width: 140px;
            }
            .inner-banner {
                min-height: 250px;
            }
            .inner-banner-content h1 {
                font-size: 1.4rem;
            }
            .inner-banner-content .banner-desc {
                font-size: 0.85rem;
            }
            .banner-stats-row {
                gap: 12px;
            }
            .banner-stat-item .stat-num {
                font-size: 1.2rem;
            }
            .banner-stat-item .stat-label {
                font-size: 0.72rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .section-subtitle {
                font-size: 0.85rem;
                margin-bottom: 24px;
            }
            .custom-card .card-body-wrap {
                padding: 14px 12px;
            }
            .custom-card .card-title {
                font-size: 0.95rem;
            }
            .nav-channel-link {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            .stat-card-mini {
                padding: 20px 14px;
            }
            .stat-card-mini .stat-value {
                font-size: 1.5rem;
            }
            .faq-wrap .accordion-button {
                font-size: 0.9rem;
                padding: 12px 14px;
            }
            .faq-wrap .accordion-body {
                font-size: 0.85rem;
                padding: 14px;
            }
            .cta-section {
                padding: 40px 16px;
                border-radius: var(--radius-lg);
                margin: 0 0 24px 0;
            }
            .cta-section::before {
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-cta-main {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .site-footer {
                padding: 32px 0 20px;
            }
            .footer-brand-name {
                font-size: 1.2rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #d4380d;
            --primary-dark: #b8320a;
            --primary-light: #ff6b3d;
            --primary-bg: #fff7f3;
            --secondary: #1a1a2e;
            --accent: #f0a500;
            --accent2: #e63946;
            --surface: #ffffff;
            --surface-alt: #fafbfc;
            --surface-warm: #fef9f6;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5e;
            --text-muted: #7a7a8e;
            --text-light: #9a9aae;
            --border-color: #e8e5e2;
            --border-light: #f0edeb;
            --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.08);
            --shadow-lg: 0 8px 32px rgba(26, 26, 46, 0.12);
            --shadow-xl: 0 16px 48px rgba(26, 26, 46, 0.16);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50%;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --section-gap: 80px;
            --section-gap-mobile: 48px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--surface-alt);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }
        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (min-width: 1400px) {
            .container {
                max-width: 1280px;
            }
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
            flex-wrap: wrap;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-logo .logo-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.25rem;
            flex-shrink: 0;
        }
        .header-logo:hover {
            color: var(--primary-dark);
        }
        .header-search-wrap {
            flex: 1;
            min-width: 200px;
            max-width: 400px;
            position: relative;
        }
        .header-search-wrap input {
            width: 100%;
            padding: 10px 44px 10px 18px;
            border-radius: 28px;
            border: 2px solid var(--border-color);
            background: var(--surface-alt);
            font-size: 0.95rem;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            outline: none;
        }
        .header-search-wrap input:focus {
            border-color: var(--primary);
            background: var(--surface);
            box-shadow: 0 0 0 4px rgba(212, 56, 13, 0.08);
        }
        .header-search-wrap .search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .header-search-wrap .search-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-50%) scale(1.04);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .btn-outline-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 2px solid var(--border-color);
            background: var(--surface);
            color: var(--text-primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-bg);
        }
        .btn-pill-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 22px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            background: var(--primary);
            color: #fff;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-pill-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* ========== NAV CHANNELS ROW ========== */
        .nav-channels-row {
            background: var(--surface);
            border-top: 1px solid var(--border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            white-space: nowrap;
            padding: 0;
            position: relative;
        }
        .nav-channels-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channels-inner {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 0;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (min-width: 1400px) {
            .nav-channels-inner {
                max-width: 1280px;
            }
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 18px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            position: relative;
            background: transparent;
        }
        .nav-channel-link:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-channel-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            box-shadow: var(--shadow-sm);
        }
        .nav-channel-link.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }
        .channel-badge {
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 10px;
            background: var(--accent2);
            color: #fff;
            line-height: 1.3;
        }
        .nav-channel-link.active .channel-badge {
            background: rgba(255, 255, 255, 0.35);
            color: #fff;
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-primary);
            padding: 6px 8px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-nav-toggle:hover {
            background: var(--surface-alt);
            color: var(--primary);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.72) 100%),
                url('assets/images/backpic/back-2.webp') center center / cover no-repeat;
            padding: 80px 0 60px;
            position: relative;
            color: #fff;
            text-align: center;
            min-height: 300px;
            display: flex;
            align-items: center;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--surface-alt), transparent);
            pointer-events: none;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
        }
        .page-banner .banner-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .page-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 0;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .page-banner {
                padding: 56px 0 44px;
                min-height: 240px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
            .page-banner .banner-desc {
                font-size: 1rem;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-title-wrap {
            text-align: center;
            margin-bottom: 44px;
            position: relative;
        }
        .section-title-wrap .section-label {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 16px;
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.04em;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .section-title-wrap h2 {
            font-weight: 800;
            font-size: 2rem;
            letter-spacing: -0.02em;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .section-title-wrap .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-title-wrap h2 {
                font-size: 1.6rem;
            }
        }

        /* ========== COMMUNITY POSTS LIST ========== */
        .community-posts-section {
            padding: var(--section-gap) 0;
            background: var(--surface-alt);
        }
        .post-list-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            margin-bottom: 16px;
            display: flex;
            align-items: flex-start;
            gap: 20px;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
        }
        .post-list-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-2px);
        }
        .post-avatar {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-full);
            flex-shrink: 0;
            object-fit: cover;
            border: 2px solid var(--border-light);
        }
        .post-avatar-placeholder {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-full);
            flex-shrink: 0;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            border: 2px solid var(--border-light);
        }
        .post-body {
            flex: 1;
            min-width: 0;
        }
        .post-header-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }
        .post-author-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-primary);
        }
        .post-time {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .post-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
        }
        .post-tag.hot {
            background: #fff0f0;
            color: var(--accent2);
        }
        .post-tag.pinned {
            background: #fff8e8;
            color: var(--accent);
        }
        .post-title-link {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text-primary);
            display: block;
            margin-bottom: 6px;
            line-height: 1.4;
            transition: color var(--transition-fast);
        }
        .post-title-link:hover {
            color: var(--primary);
        }
        .post-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.55;
        }
        .post-meta-row {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .post-meta-row span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .post-meta-row i {
            font-size: 0.85rem;
        }
        @media (max-width: 768px) {
            .post-list-card {
                flex-direction: column;
                padding: 18px 16px;
                gap: 14px;
            }
            .post-avatar,
            .post-avatar-placeholder {
                width: 44px;
                height: 44px;
                font-size: 0.95rem;
            }
            .post-title-link {
                font-size: 1rem;
            }
        }

        /* ========== PINNED POST ========== */
        .pinned-post-card {
            background: linear-gradient(135deg, #fffdf7 0%, #fff9f0 100%);
            border: 2px solid var(--accent);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            margin-bottom: 24px;
            display: flex;
            align-items: flex-start;
            gap: 20px;
            position: relative;
            overflow: hidden;
        }
        .pinned-post-card::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(240, 165, 0, 0.08);
            pointer-events: none;
        }
        .pinned-badge {
            position: absolute;
            top: 14px;
            right: 18px;
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 14px;
            font-weight: 700;
            font-size: 0.78rem;
            letter-spacing: 0.03em;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .pinned-post-card {
                flex-direction: column;
                padding: 20px 16px;
                gap: 14px;
            }
            .pinned-badge {
                top: 10px;
                right: 10px;
                font-size: 0.7rem;
                padding: 3px 10px;
            }
        }

        /* ========== HOT TOPICS GRID ========== */
        .hot-topics-section {
            padding: var(--section-gap) 0;
            background: var(--surface);
        }
        .topic-card {
            background: var(--surface-alt);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
            height: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }
        .topic-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .topic-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .topic-icon-circle.orange {
            background: #fff3ed;
            color: var(--primary);
        }
        .topic-icon-circle.blue {
            background: #edf4ff;
            color: #3b82f6;
        }
        .topic-icon-circle.green {
            background: #edfff5;
            color: #10b981;
        }
        .topic-icon-circle.purple {
            background: #f5edff;
            color: #8b5cf6;
        }
        .topic-icon-circle.yellow {
            background: #fffded;
            color: #f59e0b;
        }
        .topic-icon-circle.teal {
            background: #edfffb;
            color: #14b8a6;
        }
        .topic-card h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin: 0;
        }
        .topic-card .topic-count {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== COMMUNITY STATS ========== */
        .community-stats-section {
            padding: var(--section-gap) 0;
            background: var(--secondary);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .community-stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .community-stats-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.025);
            pointer-events: none;
        }
        .stat-card-dark {
            text-align: center;
            padding: 20px 16px;
            position: relative;
            z-index: 1;
        }
        .stat-card-dark .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--accent);
            line-height: 1.1;
        }
        .stat-card-dark .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== FEATURED DISCUSSIONS ========== */
        .discussion-section {
            padding: var(--section-gap) 0;
            background: var(--surface-alt);
        }
        .discussion-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .discussion-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-3px);
        }
        .discussion-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .discussion-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .discussion-card-body h4 {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            margin: 0;
            line-height: 1.4;
        }
        .discussion-card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .discussion-card-footer {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-light);
            padding-top: 6px;
            border-top: 1px solid var(--border-light);
        }

        /* ========== ACTIVE USERS ========== */
        .active-users-section {
            padding: var(--section-gap) 0;
            background: var(--surface);
        }
        .user-card {
            background: var(--surface-alt);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition-smooth);
            height: 100%;
        }
        .user-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .user-avatar-lg {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-full);
            object-fit: cover;
            margin: 0 auto 12px;
            border: 3px solid var(--border-light);
        }
        .user-avatar-placeholder-lg {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-full);
            margin: 0 auto 12px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.5rem;
            border: 3px solid var(--border-light);
        }
        .user-card .user-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 2px;
        }
        .user-card .user-role {
            font-size: 0.78rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .user-card .user-bio {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: var(--section-gap) 0;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            pointer-events: none;
        }
        .cta-section .cta-title {
            font-weight: 800;
            font-size: 2rem;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section .cta-desc {
            font-size: 1.05rem;
            opacity: 0.9;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1rem;
            background: #fff;
            color: var(--primary);
            border: none;
            transition: all var(--transition-smooth);
            position: relative;
            z-index: 1;
        }
        .btn-cta-white:hover {
            background: #fef9f6;
            color: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }
        .footer-brand-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-col-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            text-align: center;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
            }
            .header-top-row {
                gap: 12px;
            }
            .header-search-wrap {
                max-width: 280px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .stat-card-dark .stat-number {
                font-size: 2.1rem;
            }
            .discussion-card-img {
                height: 160px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
            }
            .header-top-row {
                flex-wrap: wrap;
                gap: 10px;
            }
            .header-search-wrap {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
                min-width: 100%;
            }
            .header-actions {
                gap: 8px;
            }
            .btn-outline-pill,
            .btn-pill-primary {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .nav-channels-row {
                display: none;
            }
            .nav-channels-row.mobile-open {
                display: block;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--surface);
                border-bottom: 2px solid var(--border-color);
                box-shadow: var(--shadow-lg);
                z-index: 1040;
                padding: 8px 0;
            }
            .nav-channels-inner {
                flex-wrap: wrap;
                gap: 4px;
                padding: 8px 16px;
            }
            .nav-channel-link {
                font-size: 0.82rem;
                padding: 7px 14px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .post-list-card {
                padding: 16px 14px;
            }
            .pinned-post-card {
                padding: 18px 14px;
            }
            .stat-card-dark .stat-number {
                font-size: 1.8rem;
            }
            .discussion-card-img {
                height: 180px;
            }
            .cta-section .cta-title {
                font-size: 1.5rem;
            }
            .section-title-wrap h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .header-logo {
                font-size: 1.2rem;
            }
            .header-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .page-banner {
                padding: 40px 0 32px;
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .post-meta-row {
                gap: 10px;
                flex-wrap: wrap;
            }
            .topic-card {
                padding: 16px 12px;
            }
            .topic-icon-circle {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
            .user-avatar-lg,
            .user-avatar-placeholder-lg {
                width: 56px;
                height: 56px;
            }
            .discussion-card-img {
                height: 150px;
            }
            .btn-cta-white {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .section-title-wrap h2 {
                font-size: 1.35rem;
            }
        }

/* roulang page: category6 */
:root {
            --brand-primary: #e8a020;
            --brand-primary-dark: #c78818;
            --brand-primary-light: #f5d078;
            --brand-accent: #1a3c5e;
            --brand-accent-light: #2a5880;
            --text-main: #1e1e1e;
            --text-secondary: #555;
            --text-muted: #888;
            --bg-body: #fafaf8;
            --bg-white: #ffffff;
            --bg-light: #f7f5f0;
            --bg-dark: #1a1a1a;
            --border-color: #e5e0d8;
            --border-light: #f0ebe2;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --section-gap: 70px;
            --section-gap-mobile: 44px;
        }

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

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

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-body);
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--brand-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: var(--font-stack);
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-xs);
        }
        .header-top-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 20px;
        }
        .brand-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--brand-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--brand-primary-dark);
        }
        .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-outline-brand {
            border: 1.5px solid var(--brand-primary);
            color: var(--brand-primary);
            background: transparent;
            border-radius: 50px;
            padding: 8px 20px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-outline-brand:hover {
            background: var(--brand-primary);
            color: #fff;
            border-color: var(--brand-primary);
        }
        .btn-brand-filled {
            background: var(--brand-primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 9px 22px;
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: var(--shadow-sm);
        }
        .btn-brand-filled:hover {
            background: var(--brand-primary-dark);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .header-search-wrap {
            position: relative;
            display: flex;
            align-items: center;
        }
        .header-search-input {
            border: 1.5px solid var(--border-color);
            border-radius: 50px;
            padding: 8px 38px 8px 16px;
            font-size: 0.88rem;
            width: 200px;
            transition: all var(--transition-fast);
            background: var(--bg-light);
            color: var(--text-main);
        }
        .header-search-input:focus {
            outline: none;
            border-color: var(--brand-primary);
            box-shadow: 0 0 0 3px rgba(232, 160, 32, 0.08);
            width: 240px;
            background: #fff;
        }
        .header-search-icon {
            position: absolute;
            right: 14px;
            color: var(--text-muted);
            pointer-events: none;
            font-size: 0.9rem;
        }

        /* ===== Nav Channels Row ===== */
        .nav-channels-row {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            white-space: nowrap;
        }
        .nav-channels-row::-webkit-scrollbar {
            display: none;
        }
        .nav-channels-inner {
            display: flex;
            gap: 4px;
            padding: 0 20px;
            max-width: 1200px;
            margin: 0 auto;
            align-items: center;
            min-height: 46px;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 10px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 50px;
            transition: all var(--transition-fast);
            white-space: nowrap;
            flex-shrink: 0;
            position: relative;
        }
        .nav-channel-link:hover {
            color: var(--brand-primary);
            background: rgba(232, 160, 32, 0.05);
        }
        .nav-channel-link.active {
            color: #fff;
            background: var(--brand-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-channel-link.active:hover {
            color: #fff;
            background: var(--brand-primary-dark);
        }
        .channel-badge {
            font-size: 0.65rem;
            font-weight: 700;
            background: #e74c3c;
            color: #fff;
            padding: 2px 6px;
            border-radius: 50px;
            line-height: 1;
            letter-spacing: 0.3px;
        }
        .nav-channel-link.active .channel-badge {
            background: #fff;
            color: #e74c3c;
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px;
        }

        /* ===== Main ===== */
        .page-main {
            flex: 1;
            padding-bottom: var(--section-gap);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-section {
            padding: 18px 0;
            background: transparent;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-custom a:hover {
            color: var(--brand-primary);
        }
        .breadcrumb-custom .separator {
            color: #ccc;
            font-size: 0.7rem;
        }
        .breadcrumb-custom .current {
            color: var(--brand-primary);
            font-weight: 500;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 260px;
            display: flex;
            align-items: center;
            margin-bottom: 40px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 60, 94, 0.82) 0%, rgba(26, 60, 94, 0.55) 60%, rgba(232, 160, 32, 0.35) 100%);
            z-index: 1;
        }
        .page-banner-content {
            position: relative;
            z-index: 2;
            padding: 40px 36px;
            color: #fff;
        }
        .page-banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .page-banner-content h1 {
            font-size: 2.2rem;
            font-weight: 700;
            margin: 0 0 10px;
            letter-spacing: 1px;
            line-height: 1.3;
        }
        .page-banner-content .banner-subtitle {
            font-size: 1.05rem;
            opacity: 0.9;
            max-width: 600px;
            line-height: 1.6;
        }

        /* ===== Section Titles ===== */
        .section-header {
            margin-bottom: 32px;
            text-align: center;
        }
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .section-header .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .section-divider {
            width: 50px;
            height: 3px;
            background: var(--brand-primary);
            border-radius: 50px;
            margin: 10px auto 0;
        }

        /* ===== Step Cards ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            margin-bottom: 50px;
        }
        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 20px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--brand-primary-light);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark));
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 16px;
            box-shadow: 0 4px 14px rgba(232, 160, 32, 0.3);
        }
        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        .step-card .step-icon-corner {
            position: absolute;
            top: 14px;
            right: 16px;
            font-size: 2.2rem;
            color: rgba(232, 160, 32, 0.08);
            pointer-events: none;
        }

        /* ===== Tutorial Cards ===== */
        .tutorials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 26px;
            margin-bottom: 50px;
        }
        .tutorial-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .tutorial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .tutorial-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .tutorial-card-body {
            padding: 22px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tutorial-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
            line-height: 1.4;
        }
        .tutorial-card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .tutorial-card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .tutorial-card-meta .meta-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--brand-primary);
        }
        .tutorial-card-tag {
            display: inline-block;
            background: rgba(232, 160, 32, 0.1);
            color: var(--brand-primary-dark);
            padding: 3px 10px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* ===== Tips / Avoid Section ===== */
        .tips-list {
            list-style: none;
            padding: 0;
            margin: 0 0 50px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
        .tips-list li {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            border-left: 4px solid #e74c3c;
            box-shadow: var(--shadow-xs);
            font-size: 0.92rem;
            color: var(--text-main);
            line-height: 1.7;
            transition: all var(--transition-fast);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .tips-list li:hover {
            box-shadow: var(--shadow-md);
            border-left-color: #c0392b;
        }
        .tips-list li .tip-icon {
            flex-shrink: 0;
            color: #e74c3c;
            font-size: 1.1rem;
            margin-top: 1px;
        }
        .tips-list li strong {
            color: #c0392b;
            font-weight: 600;
        }

        /* ===== Tools Grid ===== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
            margin-bottom: 50px;
        }
        .tool-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-normal);
        }
        .tool-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .tool-card .tool-icon-wrap {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--brand-primary);
            transition: all var(--transition-fast);
        }
        .tool-card:hover .tool-icon-wrap {
            background: var(--brand-primary);
            color: #fff;
        }
        .tool-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .tool-card p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            margin-bottom: 50px;
        }
        .faq-section .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            background: var(--bg-white);
        }
        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-main);
            padding: 16px 20px;
            background: var(--bg-white);
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--brand-primary);
            background: rgba(232, 160, 32, 0.03);
            box-shadow: none;
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 160, 32, 0.1);
            border-color: var(--brand-primary-light);
        }
        .faq-section .accordion-body {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            padding: 10px 20px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--brand-accent) 0%, var(--brand-accent-light) 100%);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin-bottom: 20px;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }
        .cta-section .btn-cta-large {
            display: inline-block;
            background: var(--brand-primary);
            color: #fff;
            padding: 13px 36px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            transition: all var(--transition-normal);
            position: relative;
            z-index: 1;
            box-shadow: 0 6px 20px rgba(232, 160, 32, 0.4);
        }
        .cta-section .btn-cta-large:hover {
            background: #fff;
            color: var(--brand-accent);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #ccc;
            padding: 50px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand-name {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-brand-desc {
            font-size: 0.88rem;
            color: #aaa;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: #bbb;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--brand-primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            font-size: 0.82rem;
            color: #888;
            text-align: center;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .page-banner {
                min-height: 200px;
                border-radius: var(--radius-md);
            }
            .page-banner-content {
                padding: 28px 20px;
            }
            .page-banner-content h1 {
                font-size: 1.5rem;
            }
            .page-banner-content .banner-subtitle {
                font-size: 0.9rem;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .tutorials-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .tips-list {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .tools-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .cta-section {
                padding: 34px 20px;
                border-radius: var(--radius-md);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .header-search-input {
                width: 140px;
            }
            .header-search-input:focus {
                width: 170px;
            }
            .btn-outline-brand,
            .btn-brand-filled {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .nav-channel-link {
                padding: 8px 13px;
                font-size: 0.82rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
        }
        @media (max-width: 520px) {
            .header-top-row {
                flex-wrap: wrap;
                gap: 10px;
            }
            .brand-logo {
                font-size: 1.3rem;
            }
            .brand-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
            .header-search-input {
                width: 110px;
                font-size: 0.78rem;
            }
            .header-search-input:focus {
                width: 140px;
            }
            .btn-outline-brand,
            .btn-brand-filled {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .nav-channel-link {
                padding: 7px 10px;
                font-size: 0.76rem;
            }
            .page-banner {
                min-height: 170px;
            }
            .page-banner-content h1 {
                font-size: 1.3rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .tutorial-card-img {
                height: 150px;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .cta-section h3 {
                font-size: 1.15rem;
            }
            .cta-section .btn-cta-large {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
        }