/* roulang page: index */
:root {
            --primary: #6C3CF5;
            --primary-light: #8B5CF6;
            --primary-dark: #5B2FD9;
            --primary-lighter: #A78BFA;
            --primary-bg: #F5F0FF;
            --accent: #F59E0B;
            --accent-light: #FBBF24;
            --accent-dark: #D97706;
            --bg-body: #F9FAFB;
            --surface: #FFFFFF;
            --text: #0F172A;
            --text-secondary: #4B5563;
            --text-muted: #9CA3AF;
            --border: #E5E7EB;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 16px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 10px 25px rgba(108, 60, 245, 0.12), 0 4px 10px rgba(0, 0, 0, 0.06);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--bg-body);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            transition: var(--transition);
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        @media (min-width: 768px) {
            .container {
                padding: 0 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container {
                padding: 0 2.5rem;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 50;
            box-shadow: var(--shadow-card);
        }

        .header-brand {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem 0;
        }

        .header-brand .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
        }

        .header-brand .logo-badge {
            font-size: 0.65rem;
            font-weight: 600;
            color: var(--surface);
            background: var(--accent);
            padding: 0.15rem 0.5rem;
            border-radius: 20px;
            letter-spacing: 0.03em;
            -webkit-text-fill-color: var(--surface);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.5rem 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

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

        .channel-nav a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.45rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

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

        .channel-nav a.active {
            color: var(--surface);
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 2px 8px rgba(108, 60, 245, 0.25);
        }

        .channel-nav a i {
            font-size: 0.8rem;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text);
            padding: 0.4rem;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1px solid var(--border);
            border-radius: 24px;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            transition: var(--transition);
            min-width: 180px;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(108, 60, 245, 0.1);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.8rem;
            color: var(--text);
            width: 100%;
            padding: 0.3rem 0;
        }

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

        .search-box button {
            background: var(--primary);
            border: none;
            color: var(--surface);
            padding: 0.4rem 0.8rem;
            border-radius: 20px;
            font-size: 0.75rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.25rem;
            transition: var(--transition);
        }

        .search-box button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }

        @media (max-width: 768px) {
            .header-brand .logo-text {
                font-size: 1.1rem;
            }
            .header-brand .logo-badge {
                font-size: 0.55rem;
                padding: 0.1rem 0.4rem;
            }
            .channel-nav {
                gap: 0.2rem;
                padding: 0.4rem 0;
            }
            .channel-nav a {
                padding: 0.35rem 0.75rem;
                font-size: 0.78rem;
            }
            .search-box {
                min-width: 120px;
            }
            .search-box input {
                font-size: 0.72rem;
            }
            .search-box button span {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .mobile-toggle {
                display: block;
            }
            .channel-nav-wrap {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--surface);
                border-bottom: 1px solid var(--border);
                box-shadow: 0 8px 20px rgba(0, 0, 0, 0.06);
                padding: 0.75rem 1.25rem;
                z-index: 40;
            }
            .channel-nav-wrap.open {
                display: block;
            }
            .channel-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 0.3rem;
                overflow-x: visible;
                padding: 0;
            }
            .channel-nav a {
                justify-content: center;
                padding: 0.6rem 1rem;
                border-radius: var(--radius-sm);
                font-size: 0.85rem;
            }
            .search-box {
                margin-top: 0.75rem;
                min-width: unset;
            }
            .header-inner {
                flex-wrap: wrap;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 50%, #0F172A 100%);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.3;
            z-index: 0;
            animation: heroZoom 20s ease-in-out infinite alternate;
        }

        @keyframes heroZoom {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.05);
            }
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.85) 0%, rgba(30, 41, 59, 0.7) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 4rem 0 3rem;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(108, 60, 245, 0.2);
            border: 1px solid rgba(108, 60, 245, 0.3);
            color: var(--primary-lighter);
            padding: 0.35rem 1rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(8px);
        }

        .hero-title {
            font-size: clamp(2.2rem, 5.5vw, 4rem);
            font-weight: 800;
            line-height: 1.15;
            color: var(--surface);
            margin-bottom: 1.25rem;
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: clamp(1rem, 1.8vw, 1.2rem);
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--surface);
            box-shadow: 0 4px 14px rgba(108, 60, 245, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 8px 24px rgba(108, 60, 245, 0.45);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(108, 60, 245, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--surface);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
        }

        .btn-outline-light:hover {
            border-color: var(--surface);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

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

        .hero-stats {
            display: flex;
            gap: 2.5rem;
            margin-top: 2.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-item .stat-number {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--surface);
            line-height: 1.2;
        }

        .stat-item .stat-number .accent {
            color: var(--accent-light);
        }

        .stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            font-weight: 400;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 60vh;
            }
            .hero-stats {
                gap: 1.5rem;
                flex-wrap: wrap;
            }
            .stat-item .stat-number {
                font-size: 1.4rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 50vh;
            }
            .hero-content {
                padding: 2.5rem 0 2rem;
            }
            .hero-stats {
                gap: 1rem;
            }
            .stat-item {
                flex: 1;
                min-width: 80px;
            }
        }

        /* ===== 板块通用 ===== */
        .section-padding {
            padding: 4rem 0;
        }

        @media (min-width: 768px) {
            .section-padding {
                padding: 5rem 0;
            }
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 0.75rem;
        }

        .section-header .section-label::before,
        .section-header .section-label::after {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--primary-lighter);
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== 分类卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .category-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            border: 1px solid var(--border);
            cursor: pointer;
            display: block;
        }

        .category-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-lighter);
        }

        .category-card .card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .category-card .card-img .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(15, 23, 42, 0.6) 0%, transparent 60%);
        }

        .category-card .card-img .tag {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: var(--primary);
            color: var(--surface);
            padding: 0.25rem 0.75rem;
            border-radius: 16px;
            font-size: 0.7rem;
            font-weight: 600;
        }

        .category-card .card-body {
            padding: 1.25rem 1.5rem 1.5rem;
        }

        .category-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            color: var(--text);
        }

        .category-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0.75rem;
        }

        .category-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .category-card .card-body .card-meta i {
            margin-right: 0.25rem;
        }

        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: grid;
            gap: 1rem;
        }

        .news-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .news-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-lighter);
            transform: translateX(4px);
        }

        .news-item .news-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-bg);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

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

        .news-item .news-content h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.25rem;
            line-height: 1.4;
        }

        .news-item .news-content h4 a:hover {
            color: var(--primary);
        }

        .news-item .news-content p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 0.4rem;
        }

        .news-item .news-content .news-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem 1.5rem;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .news-item .news-content .news-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .news-item .news-content .news-meta .cat-tag {
            color: var(--primary);
            font-weight: 500;
        }

        @media (max-width: 520px) {
            .news-item {
                padding: 1rem 1.15rem;
                flex-direction: column;
                gap: 0.6rem;
            }
            .news-item .news-icon {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
        }

        /* ===== 特色流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            counter-reset: step;
        }

        .step-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 2rem 1.5rem 1.75rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

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

        .step-card .step-number {
            counter-increment: step;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            transition: var(--transition);
        }

        .step-card:hover .step-number {
            background: var(--primary);
            color: var(--surface);
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 0.4rem;
            color: var(--text);
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .step-card {
                padding: 1.5rem 1rem 1.25rem;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 1.5rem;
        }

        .stat-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 2rem 1.5rem;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 0.75rem;
        }

        .stat-card .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1.2;
        }

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

        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-top: 0.25rem;
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .stat-card {
                padding: 1.5rem 1rem;
            }
            .stat-card .stat-num {
                font-size: 1.6rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 0.75rem;
        }

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

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

        .faq-item summary {
            padding: 1.25rem 1.5rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            list-style: none;
            transition: var(--transition);
        }

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

        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 1rem;
            color: var(--text-muted);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item[open] summary {
            color: var(--primary);
            border-bottom: 1px solid var(--border);
        }

        .faq-item .faq-answer {
            padding: 1rem 1.5rem 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 520px) {
            .faq-item summary {
                padding: 1rem 1.15rem;
                font-size: 0.88rem;
            }
            .faq-item .faq-answer {
                padding: 0.75rem 1.15rem 1rem;
                font-size: 0.84rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 3.5rem 3rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }

        .cta-section h3 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--surface);
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 550px;
            margin: 0 auto 1.75rem;
            line-height: 1.7;
        }

        .cta-section .btn-white {
            background: var(--surface);
            color: var(--primary);
            padding: 0.8rem 2.2rem;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
        }

        .cta-section .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
        }

        .cta-section .btn-white:active {
            transform: translateY(0);
        }

        .cta-section .btn-outline-white {
            background: transparent;
            color: var(--surface);
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            padding: 0.8rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .cta-section .btn-outline-white:hover {
            border-color: var(--surface);
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-3px);
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 2.5rem 1.5rem;
                border-radius: var(--radius);
            }
            .cta-section .btn-white,
            .cta-section .btn-outline-white {
                width: 100%;
                justify-content: center;
            }
            .cta-section .cta-actions {
                flex-direction: column;
                gap: 0.75rem;
            }
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3.5rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--surface);
            margin-bottom: 0.75rem;
            display: block;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--surface);
            margin-bottom: 1rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.5rem;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
        }

        .footer-col ul li a:hover {
            color: var(--primary-lighter);
            transform: translateX(3px);
        }

        .footer-bottom {
            padding: 1.5rem 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

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

        .footer-social {
            display: flex;
            gap: 0.75rem;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: var(--surface);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 空状态 ===== */
        .empty-state {
            text-align: center;
            padding: 2.5rem 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .empty-state i {
            font-size: 2.5rem;
            color: var(--border);
            margin-bottom: 1rem;
            display: block;
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            border-radius: 4px;
            margin: 0.75rem auto 1.25rem;
        }

        /* ===== 背景区块 ===== */
        .bg-brand-soft {
            background: var(--primary-bg);
        }

        .bg-accent-soft {
            background: var(--accent-bg);
        }

        .bg-dark-section {
            background: var(--dark);
            color: var(--surface);
        }

        .bg-dark-section .section-header h2 {
            color: var(--surface);
        }

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

/* roulang page: category1 */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --secondary: #7c3aed;
            --accent: #f59e0b;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --bg-section: #f1f5f9;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --text-light: #f1f5f9;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.12);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

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

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(8px);
            background: rgba(255, 255, 255, 0.97);
        }

        .header-inner {
            padding: 0.75rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .header-brand {
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -0.02em;
        }

        .logo-badge {
            display: inline-block;
            font-size: 0.6rem;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            padding: 0.15rem 0.55rem;
            border-radius: 999px;
            letter-spacing: 0.03em;
            -webkit-text-fill-color: #fff;
            vertical-align: super;
            margin-left: 0.2rem;
        }

        .channel-nav-wrap {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            flex: 1;
            justify-content: flex-end;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 0.25rem;
        }

        .channel-nav a {
            padding: 0.5rem 1rem;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 0.4rem;
            white-space: nowrap;
        }

        .channel-nav a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .channel-nav a:hover {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.06);
        }

        .channel-nav a.active {
            color: var(--primary);
            background: rgba(37, 99, 235, 0.1);
            position: relative;
        }

        .channel-nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 99px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-section);
            border-radius: 999px;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            border: 1px solid transparent;
            transition: var(--transition);
            min-width: 200px;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            background: var(--bg-card);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .search-box input {
            background: transparent;
            padding: 0.4rem 0;
            font-size: 0.9rem;
            color: var(--text-primary);
            flex: 1;
            min-width: 0;
        }

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

        .search-box button {
            background: var(--primary);
            color: #fff;
            padding: 0.45rem 1.1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-box button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }

        .search-box button i {
            font-size: 0.8rem;
        }

        .mobile-toggle {
            display: none;
            background: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            padding: 0.3rem 0.5rem;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: var(--bg-section);
        }

        @media (max-width: 900px) {
            .channel-nav-wrap {
                position: fixed;
                top: 0;
                right: -100%;
                width: 80%;
                max-width: 360px;
                height: 100vh;
                background: var(--bg-card);
                flex-direction: column;
                padding: 2rem 1.5rem;
                box-shadow: var(--shadow-lg);
                transition: right 0.35s ease;
                z-index: 200;
                justify-content: flex-start;
                align-items: stretch;
                gap: 1.5rem;
                overflow-y: auto;
            }

            .channel-nav-wrap.open {
                right: 0;
            }

            .channel-nav {
                flex-direction: column;
                gap: 0.5rem;
            }

            .channel-nav a {
                padding: 0.8rem 1rem;
                font-size: 1.05rem;
                border-radius: var(--radius-sm);
            }

            .channel-nav a.active::after {
                display: none;
            }

            .channel-nav a.active {
                background: rgba(37, 99, 235, 0.12);
                border-left: 4px solid var(--primary);
            }

            .search-box {
                min-width: unset;
                width: 100%;
            }

            .mobile-toggle {
                display: block;
            }
        }

        @media (max-width: 480px) {
            .logo-text {
                font-size: 1.2rem;
            }
            .logo-badge {
                font-size: 0.5rem;
                padding: 0.1rem 0.4rem;
            }
            .header-inner {
                padding: 0.5rem 0;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 5rem 0 4rem;
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1e293b 100%);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }

        .page-banner-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            z-index: 0;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }

        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            line-height: 1.7;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 0.3rem 1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1rem;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 3.5rem 0 3rem;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 2.2rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 0.95rem;
            }
        }

        /* ===== Section Styles ===== */
        .section {
            padding: 4.5rem 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
            color: var(--text-primary);
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin-bottom: 2.5rem;
            line-height: 1.7;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 1rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }

        .section-header .section-title {
            margin-bottom: 0.25rem;
        }

        .section-header .section-subtitle {
            margin-bottom: 0;
        }

        @media (max-width: 640px) {
            .section {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 1.5rem;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .card-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .card-meta i {
            margin-right: 0.3rem;
        }

        .card-badge {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
        }

        .card-badge.orange {
            background: rgba(245, 158, 11, 0.12);
            color: #d97706;
        }

        .card-badge.green {
            background: rgba(16, 185, 129, 0.12);
            color: #059669;
        }

        .card-badge.purple {
            background: rgba(124, 58, 237, 0.12);
            color: #7c3aed;
        }

        /* ===== Review Card (special) ===== */
        .review-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .review-card .review-img {
            width: 100%;
            height: 100%;
            min-height: 280px;
            object-fit: cover;
        }

        .review-card .review-body {
            padding: 2rem 2rem 2rem 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .review-card .review-rating {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.75rem;
        }

        .review-card .review-rating i {
            color: var(--accent);
            font-size: 1.1rem;
        }

        .review-card .review-rating span {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--text-primary);
            margin-left: 0.3rem;
        }

        .review-card .review-title {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 0.6rem;
            line-height: 1.3;
        }

        .review-card .review-desc {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 1.2rem;
        }

        .review-card .review-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-bottom: 1.2rem;
        }

        @media (max-width: 860px) {
            .review-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .review-card .review-body {
                padding: 1.5rem;
            }
            .review-card .review-img {
                min-height: 200px;
                max-height: 280px;
            }
            .review-card .review-title {
                font-size: 1.3rem;
            }
        }

        /* ===== Grids ===== */
        .grid-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

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

        @media (max-width: 640px) {
            .grid-cards {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
        }

        /* ===== Ranking / Stats ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--bg-card);
            padding: 1rem 1.25rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .ranking-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .ranking-number {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            min-width: 2.2rem;
            text-align: center;
        }

        .ranking-number.gold {
            color: #d97706;
        }

        .ranking-number.silver {
            color: #64748b;
        }

        .ranking-number.bronze {
            color: #b45309;
        }

        .ranking-info {
            flex: 1;
        }

        .ranking-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.15rem;
        }

        .ranking-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .ranking-score {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--accent);
        }

        /* ===== Stats Block ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .stat-item {
            text-align: center;
            padding: 2rem 1rem;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 0.4rem;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-item {
                padding: 1.25rem 0.75rem;
            }
            .stat-number {
                font-size: 1.5rem;
            }
        }

        /* ===== Tags ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
        }

        .tag-item {
            padding: 0.4rem 1.1rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            background: var(--bg-section);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: default;
        }

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

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            max-width: 800px;
            margin: 0 auto;
        }

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

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

        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            user-select: none;
            transition: var(--transition);
        }

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

        .faq-question i {
            transition: transform 0.3s ease;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

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

        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            padding: 4rem 0;
            border-radius: var(--radius-lg);
            margin: 2rem 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 2rem;
        }

        .cta-btn {
            display: inline-block;
            padding: 0.9rem 2.5rem;
            background: #fff;
            color: var(--primary);
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: 999px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            transition: var(--transition);
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            background: #f1f5f9;
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 3rem 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-btn {
                padding: 0.75rem 2rem;
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 4rem 0 0;
            margin-top: 4rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo-text {
            font-size: 1.6rem;
            display: block;
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            font-size: 0.95rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h5 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1.25rem;
        }

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

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.92rem;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
            transform: translateX(3px);
        }

        .footer-col ul li a i {
            font-size: 0.7rem;
            opacity: 0.6;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.5rem 0;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-social {
            display: flex;
            gap: 0.75rem;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.2rem;
            height: 2.2rem;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        @media (max-width: 860px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== Utility ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .bg-soft-primary {
            background: rgba(37, 99, 235, 0.04);
        }

        .bg-soft-accent {
            background: rgba(245, 158, 11, 0.06);
        }

        .gap-section {
            gap: 3rem;
        }

        .mb-section {
            margin-bottom: 3rem;
        }

        /* ===== Mobile overlay ===== */
        .nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 150;
            backdrop-filter: blur(2px);
        }

        .nav-overlay.show {
            display: block;
        }

        @media (max-width: 900px) {
            .nav-overlay.show {
                display: block;
            }
        }

/* roulang page: article */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --primary-dark: #0f0f1a;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c89020;
            --bg-body: #f8f6f2;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-muted: #8888a0;
            --border-light: #e8e4de;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 18px 48px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: var(--primary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(6px);
        }
        .header-inner {
            padding: 14px 0;
            gap: 16px;
            min-height: 68px;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 700;
            background: linear-gradient(135deg, #f0c060, #e8a838, #d4902a);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 0.5px;
        }
        .logo-badge {
            font-size: 0.6rem;
            background: rgba(232, 168, 56, 0.2);
            color: var(--accent-light);
            padding: 2px 10px;
            border-radius: 20px;
            border: 1px solid rgba(232, 168, 56, 0.3);
            font-weight: 500;
            -webkit-text-fill-color: var(--accent-light);
        }
        .channel-nav-wrap {
            display: flex;
            align-items: center;
            gap: 20px;
            flex: 1;
            justify-content: flex-end;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .channel-nav a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
            border: 1px solid transparent;
        }
        .channel-nav a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .channel-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.06);
        }
        .channel-nav a.active {
            color: #fff;
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(232, 168, 56, 0.35);
        }
        .channel-nav a.active i {
            opacity: 1;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.07);
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            overflow: hidden;
            transition: var(--transition);
            min-width: 200px;
        }
        .search-box:focus-within {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(232, 168, 56, 0.15);
        }
        .search-box input {
            background: transparent;
            border: none;
            padding: 8px 16px;
            color: #fff;
            font-size: 0.85rem;
            outline: none;
            flex: 1;
            min-width: 0;
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .search-box button {
            background: transparent;
            border: none;
            padding: 8px 16px;
            color: rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
        }
        .search-box button:hover {
            color: var(--accent-light);
        }
        .search-box button span {
            display: none;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 12px 0;
            }
            .mobile-toggle {
                display: block;
            }
            .channel-nav-wrap {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding: 16px 0 8px;
                gap: 16px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .channel-nav-wrap.open {
                display: flex;
            }
            .channel-nav {
                flex-direction: column;
                gap: 4px;
            }
            .channel-nav a {
                padding: 12px 16px;
                border-radius: 12px;
                justify-content: flex-start;
            }
            .search-box {
                min-width: 0;
                width: 100%;
            }
            .search-box button span {
                display: inline;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 1.15rem;
            }
        }
        .hero-article {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-article-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.5;
            transform: scale(1.02);
            transition: transform 8s ease;
        }
        .hero-article:hover .hero-article-bg {
            transform: scale(1.06);
        }
        .hero-article-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.92) 0%, rgba(22, 33, 62, 0.75) 50%, rgba(15, 15, 26, 0.6) 100%);
        }
        .hero-article-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0 50px;
        }
        .hero-article .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .hero-article .breadcrumb a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .hero-article .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .hero-article .breadcrumb span {
            color: rgba(255, 255, 255, 0.35);
        }
        .hero-article h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 800px;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .hero-article .meta-wrap {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .hero-article .tag-cat {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary-dark);
            letter-spacing: 0.3px;
        }
        .hero-article .meta-date {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-article .meta-date i {
            font-size: 0.75rem;
        }
        .hero-article .desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 680px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .hero-article {
                min-height: 320px;
            }
            .hero-article-content {
                padding: 40px 0 36px;
            }
            .hero-article h1 {
                font-size: 1.8rem;
            }
            .hero-article .desc {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .hero-article {
                min-height: 260px;
            }
            .hero-article h1 {
                font-size: 1.4rem;
            }
            .hero-article-content {
                padding: 30px 0 28px;
            }
        }
        .article-body-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            margin-top: -40px;
            position: relative;
            z-index: 3;
            padding: 40px 48px 32px;
        }
        .article-body-wrap .article-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .article-body-wrap .article-cover img {
            width: 100%;
            max-height: 480px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .article-body {
            font-size: 1.02rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-top: 2em;
            margin-bottom: 0.8em;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-top: 1.6em;
            margin-bottom: 0.6em;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.8em auto;
            box-shadow: var(--shadow-sm);
        }
        .article-body ul,
        .article-body ol {
            margin-bottom: 1.4em;
            padding-left: 1.6em;
        }
        .article-body li {
            margin-bottom: 0.4em;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            padding: 12px 20px;
            margin: 1.6em 0;
            background: rgba(232, 168, 56, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
        }
        .article-body a {
            color: var(--accent-dark);
            border-bottom: 1px solid rgba(232, 168, 56, 0.3);
        }
        .article-body a:hover {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .article-body code {
            background: #f0ede8;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: #c7254e;
        }
        .article-body pre {
            background: var(--primary);
            color: #e8e4de;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.6em 0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .article-body-wrap {
                padding: 24px 20px 20px;
                margin-top: -24px;
            }
            .article-body {
                font-size: 0.96rem;
            }
        }
        @media (max-width: 520px) {
            .article-body-wrap {
                padding: 18px 16px 16px;
                margin-top: -16px;
                border-radius: var(--radius-md);
            }
        }
        .article-tools {
            border-top: 1px solid var(--border-light);
            padding-top: 24px;
            margin-top: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .article-tools .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tools .tag-list span {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 500;
            background: rgba(232, 168, 56, 0.1);
            color: var(--accent-dark);
            border: 1px solid rgba(232, 168, 56, 0.2);
        }
        .article-tools .share-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-tools .share-wrap span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .article-tools .share-wrap a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-body);
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .article-tools .share-wrap a:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(232, 168, 56, 0.3);
        }
        .article-tools .back-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 18px;
            border-radius: 30px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .article-tools .back-link:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(232, 168, 56, 0.05);
        }
        @media (max-width: 520px) {
            .article-tools {
                flex-direction: column;
                align-items: stretch;
                gap: 14px;
            }
            .article-tools .share-wrap {
                justify-content: center;
            }
            .article-tools .back-link {
                justify-content: center;
            }
        }
        .section-block {
            padding: 64px 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            max-width: 600px;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }
        .cta-block {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            pointer-events: none;
        }
        .cta-block h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1rem;
            max-width: 560px;
            margin-bottom: 24px;
        }
        .cta-block .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            border-radius: 30px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-block .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 168, 56, 0.35);
        }
        @media (max-width: 520px) {
            .cta-block {
                padding: 32px 24px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 168, 56, 0.2);
        }
        .faq-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .faq-item h4 i {
            color: var(--accent);
            font-size: 0.8rem;
        }
        .faq-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            padding-left: 20px;
        }
        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }
        .rec-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rec-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232, 168, 56, 0.15);
        }
        .rec-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 0;
        }
        .rec-card .rec-body {
            padding: 16px 18px 18px;
        }
        .rec-card .rec-body h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .rec-card .rec-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo-text {
            font-size: 1.3rem;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            font-size: 0.6rem;
            opacity: 0.5;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }
        .not-found-box i {
            font-size: 3rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 30px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .not-found-box a:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
        }
        .error-content {
            margin-top: -40px;
            position: relative;
            z-index: 3;
        }

/* roulang page: category2 */
:root {
            --primary: #7c3aed;
            --primary-dark: #5b21b6;
            --primary-light: #a78bfa;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg-body: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-section-alt: #16162a;
            --text-primary: #f1f5f9;
            --text-secondary: #c4b5fd;
            --text-muted: #8b8fa3;
            --border-color: #2d2d4a;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 18px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, .35);
            --shadow-hover: 0 14px 40px rgba(124, 58, 237, .25);
            --transition: all .3s cubic-bezier(.4, 0, .2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            transition: var(--transition);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        /* ===== header ===== */
        .site-header {
            background: rgba(15, 15, 26, .92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        .header-brand a {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, #a78bfa, #f59e0b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: -.5px;
        }
        .logo-badge {
            background: var(--accent);
            color: #000;
            font-size: .65rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 20px;
            letter-spacing: .3px;
            -webkit-text-fill-color: #000;
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--text-primary);
            font-size: 1.4rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, .08);
        }
        .channel-nav-wrap {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .channel-nav a {
            padding: 8px 18px;
            border-radius: 30px;
            font-size: .9rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .channel-nav a i {
            font-size: .85rem;
        }
        .channel-nav a:hover,
        .channel-nav a.active {
            background: rgba(124, 58, 237, .2);
            color: var(--primary-light);
        }
        .channel-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(124, 58, 237, .4);
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, .06);
            border-radius: 30px;
            padding: 2px 2px 2px 16px;
            border: 1px solid var(--border-color);
            min-width: 200px;
        }
        .search-box input {
            background: transparent;
            color: var(--text-primary);
            padding: 8px 0;
            flex: 1;
            min-width: 80px;
            font-size: .88rem;
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box button {
            background: var(--primary);
            color: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            font-size: .85rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
        }
        .search-box button:hover {
            background: var(--primary-dark);
            transform: scale(1.02);
        }
        .search-box button span {
            display: inline;
        }
        /* ===== banner ===== */
        .category-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 60px 20px;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            isolation: isolate;
            border-bottom: 1px solid var(--border-color);
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, .88), rgba(124, 58, 237, .35), rgba(15, 15, 26, .88));
            z-index: 0;
        }
        .category-banner .container {
            position: relative;
            z-index: 1;
        }
        .category-banner h1 {
            font-size: clamp(2.2rem, 6vw, 3.8rem);
            font-weight: 800;
            background: linear-gradient(135deg, #f1f5f9, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px;
            letter-spacing: -.5px;
        }
        .category-banner p {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .banner-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }
        .banner-tags span {
            background: rgba(124, 58, 237, .25);
            backdrop-filter: blur(4px);
            color: var(--primary-light);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: .82rem;
            font-weight: 500;
            border: 1px solid rgba(167, 139, 250, .25);
        }
        /* ===== section通用 ===== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -.3px;
        }
        .section-sub {
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
            font-size: 1rem;
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }
        /* ===== 攻略卡片网格 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            border-color: rgba(167, 139, 250, .3);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }
        .guide-card .card-img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .guide-card .card-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .guide-card .card-tag {
            display: inline-block;
            background: rgba(245, 158, 11, .15);
            color: var(--accent);
            font-size: .72rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            align-self: flex-start;
            border: 1px solid rgba(245, 158, 11, .2);
        }
        .guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--text-primary);
        }
        .guide-card h3 a:hover {
            color: var(--primary-light);
        }
        .guide-card .card-excerpt {
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 14px;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: .8rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(255, 255, 255, .04);
            padding-top: 14px;
        }
        .guide-card .card-meta i {
            margin-right: 4px;
        }
        .guide-card .card-meta a {
            color: var(--primary-light);
            font-weight: 500;
        }
        .guide-card .card-meta a:hover {
            color: var(--accent);
        }
        /* ===== 分类入口 ===== */
        .subcategory-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 16px;
        }
        .subcategory-chip {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-color);
            font-weight: 600;
            font-size: .95rem;
            color: var(--text-secondary);
            transition: var(--transition);
            cursor: pointer;
        }
        .subcategory-chip:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(124, 58, 237, .3);
        }
        .subcategory-chip i {
            font-size: 1.1rem;
        }
        /* ===== 热门攻略列表 ===== */
        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hot-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .hot-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(167, 139, 250, .2);
            transform: translateX(4px);
        }
        .hot-rank {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--accent);
            min-width: 36px;
            text-align: center;
        }
        .hot-item .hot-info {
            flex: 1;
        }
        .hot-item .hot-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .hot-item .hot-info p {
            font-size: .82rem;
            color: var(--text-muted);
        }
        .hot-item .hot-badge {
            background: rgba(124, 58, 237, .15);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: .75rem;
            font-weight: 500;
        }
        /* ===== 攻略分类Tabs ===== */
        .tab-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 32px;
            justify-content: center;
        }
        .tab-nav button {
            padding: 10px 24px;
            border-radius: 30px;
            background: var(--bg-card);
            color: var(--text-secondary);
            font-weight: 500;
            font-size: .9rem;
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        .tab-nav button:hover {
            background: rgba(124, 58, 237, .15);
            color: var(--primary-light);
        }
        .tab-nav button.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(124, 58, 237, .3);
        }
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            padding: 18px 22px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(167, 139, 250, .2);
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--text-primary);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: .8rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-item .faq-answer {
            padding-top: 14px;
            color: var(--text-secondary);
            font-size: .92rem;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, .04);
            margin-top: 12px;
        }
        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, rgba(124, 58, 237, .12), rgba(245, 158, 11, .08));
            border-radius: var(--radius-lg);
            padding: 52px 40px;
            text-align: center;
            border: 1px solid rgba(167, 139, 250, .15);
            position: relative;
            overflow: hidden;
        }
        .cta-block h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-block p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 1rem;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 14px 34px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(124, 58, 237, .35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-primary);
            padding: 14px 34px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(124, 58, 237, .08);
        }
        /* ===== footer ===== */
        .site-footer {
            background: #0c0c1a;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand .logo-text {
            font-size: 1.4rem;
            display: inline-block;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: .9rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: var(--text-muted);
            font-size: .88rem;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            transform: translateX(3px);
        }
        .footer-col ul li a i {
            color: var(--text-muted);
            width: 14px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: .82rem;
            color: var(--text-muted);
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.1);
        }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .channel-nav-wrap {
                display: none;
                width: 100%;
                flex-direction: column;
                padding-top: 16px;
                border-top: 1px solid var(--border-color);
                margin-top: 12px;
            }
            .channel-nav-wrap.open {
                display: flex;
            }
            .channel-nav {
                flex-direction: column;
                width: 100%;
                gap: 4px;
            }
            .channel-nav a {
                width: 100%;
                justify-content: center;
                padding: 12px;
            }
            .search-box {
                width: 100%;
                min-width: unset;
            }
            .category-banner {
                min-height: 240px;
                padding: 40px 16px;
            }
            .section {
                padding: 48px 0;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .subcategory-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .hot-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .hot-rank {
                min-width: 28px;
                font-size: 1.1rem;
            }
            .search-box button span {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .subcategory-grid {
                grid-template-columns: 1fr;
            }
            .tab-nav button {
                padding: 8px 16px;
                font-size: .82rem;
            }
            .banner-tags span {
                font-size: .72rem;
                padding: 4px 12px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: .9rem;
                width: 100%;
                justify-content: center;
            }
            .btn-group {
                flex-direction: column;
            }
            .guide-card .card-img {
                height: 160px;
            }
        }
        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }
        /* ===== 选中高亮 ===== */
        ::selection {
            background: rgba(124, 58, 237, .5);
            color: #fff;
        }