/* roulang page: index */
:root {
            --primary: #0d5c4d;
            --primary-hover: #0a4a3f;
            --primary-light: #1a8b76;
            --accent: #f0a229;
            --accent-hover: #d8921f;
            --dark-bg: #0b1b22;
            --dark-card: #132830;
            --light-bg: #f4f7f9;
            --white: #ffffff;
            --text-main: #15262e;
            --text-sub: #5b6d75;
            --text-light: #8a9ba3;
            --border: #dbe3e8;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 4px 24px rgba(11, 27, 34, 0.06);
            --shadow-lg: 0 14px 44px rgba(11, 27, 34, 0.12);
            --transition: all .25s ease;
            --space-sm: 10px;
            --space-md: 22px;
            --space-lg: 44px;
            --space-xl: 80px;
            --max-w: 1200px;
        }
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
            background: var(--white);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul, ol {
            list-style: none;
        }
        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        .container {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: var(--space-xl) 0;
        }
        .text-center {
            text-align: center;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 50px;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(13, 92, 77, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(13, 92, 77, 0.35);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-accent {
            background: var(--accent);
            color: #0b1b22;
            box-shadow: 0 4px 14px rgba(240, 162, 41, 0.3);
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
        }
        .btn-light:hover {
            background: #f0f0f0;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn:focus-visible,
        .nav-item:focus-visible,
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(240, 162, 41, 0.5);
            outline-offset: 2px;
        }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(13, 92, 77, 0.08);
            color: var(--primary);
            border: 1px solid rgba(13, 92, 77, 0.15);
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: rgba(240, 162, 41, 0.12);
            color: #a06c12;
            border-color: rgba(240, 162, 41, 0.25);
        }
        .badge-dark {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.25);
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 16px rgba(11, 27, 34, 0.04);
        }
        .brand-bar {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .brand-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(13, 92, 77, 0.3);
        }
        .brand-name {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
        }
        .brand-tag {
            font-size: 11px;
            background: var(--accent);
            color: #fff;
            padding: 2px 10px;
            border-radius: 50px;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-left: 2px;
        }
        .brand-search {
            flex: 1;
            max-width: 420px;
            margin: 0 20px;
        }
        .brand-search form {
            display: flex;
            align-items: center;
            background: var(--light-bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 4px 6px 4px 18px;
            transition: var(--transition);
        }
        .brand-search form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 92, 77, 0.1);
            background: #fff;
        }
        .brand-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-main);
            outline: none;
        }
        .brand-search input::placeholder {
            color: var(--text-light);
        }
        .brand-search button {
            background: var(--primary);
            border: none;
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .brand-search button:hover {
            background: var(--primary-hover);
        }
        .menu-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 18px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: var(--light-bg);
        }
        .channel-bar {
            background: #fff;
        }
        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 15px;
            font-weight: 500;
            padding: 14px 18px;
            color: var(--text-sub);
            border-bottom: 3px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .nav-item:hover {
            color: var(--primary);
            background: rgba(13, 92, 77, 0.04);
        }
        .nav-item.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
        }
        .nav-item.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 100px 0 120px;
            color: #fff;
            isolation: isolate;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 27, 34, 0.88) 20%, rgba(11, 27, 34, 0.55) 60%, rgba(11, 27, 34, 0.3) 100%);
            z-index: -1;
        }
        .hero-inner {
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero h1 {
            font-size: 48px;
            font-weight: 900;
            margin-bottom: 18px;
            line-height: 1.2;
            letter-spacing: -0.03em;
        }
        .hero p {
            font-size: 17px;
            line-height: 1.8;
            opacity: 0.92;
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            margin-top: 56px;
        }
        .hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-stat i {
            font-size: 22px;
            color: var(--accent);
        }
        .hero-stat span {
            font-size: 14px;
            opacity: 0.85;
        }

        /* ===== 统计条 ===== */
        .stats-section {
            background: var(--dark-bg);
            color: #fff;
            padding: 36px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 12px 0;
        }
        .stat-num {
            font-size: 38px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .stat-label {
            font-size: 13px;
            opacity: 0.75;
            margin-top: 4px;
            letter-spacing: 0.08em;
            text-transform: uppercase;
        }

        /* ===== 核心服务 ===== */
        .features-section {
            background: var(--white);
            padding: var(--space-xl) 0;
        }
        .section-header {
            text-align: center;
            max-width: 560px;
            margin: 0 auto 48px;
        }
        .section-header .badge {
            margin-bottom: 14px;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .section-header p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(13, 92, 77, 0.2);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(13, 92, 77, 0.08), rgba(26, 139, 118, 0.12));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--primary);
            margin: 0 auto 20px;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
        }

        /* ===== 分类入口 ===== */
        .categories-section {
            background: var(--light-bg);
            padding: var(--space-xl) 0;
        }
        .categories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            min-height: 300px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 30%, rgba(11, 27, 34, 0.88) 100%);
        }
        .category-card .content {
            position: relative;
            z-index: 2;
            padding: 30px;
            color: #fff;
            width: 100%;
        }
        .category-card .content .badge {
            margin-bottom: 10px;
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .category-card .content h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 6px;
        }
        .category-card .content p {
            font-size: 14px;
            opacity: 0.9;
            margin-bottom: 14px;
        }
        .category-card .content .btn {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            padding: 8px 20px;
            font-size: 13px;
        }
        .category-card .content .btn:hover {
            background: #fff;
            transform: translateY(-2px);
        }

        /* ===== 最新资讯 ===== */
        .latest-section {
            background: var(--white);
            padding: var(--space-xl) 0;
        }
        .latest-wrapper {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: start;
        }
        .latest-sidebar {
            position: sticky;
            top: 120px;
        }
        .latest-sidebar h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .latest-sidebar p {
            color: var(--text-sub);
            font-size: 15px;
            margin-bottom: 20px;
        }
        .latest-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-card {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: var(--transition);
        }
        .news-card:hover {
            border-color: rgba(13, 92, 77, 0.2);
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .news-index {
            font-size: 28px;
            font-weight: 900;
            color: rgba(13, 92, 77, 0.18);
            line-height: 1;
            width: 40px;
            text-align: center;
            flex-shrink: 0;
            padding-top: 4px;
        }
        .news-body {
            flex: 1;
            min-width: 0;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
            font-size: 12px;
            color: var(--text-light);
        }
        .news-meta .badge {
            font-size: 11px;
            padding: 2px 10px;
        }
        .news-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .news-body h3 a {
            color: var(--text-main);
        }
        .news-body h3 a:hover {
            color: var(--primary);
        }
        .news-body p {
            font-size: 13px;
            color: var(--text-sub);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-top: 8px;
        }
        .news-link i {
            font-size: 12px;
            transition: var(--transition);
        }
        .news-link:hover i {
            transform: translateX(3px);
        }
        .empty-tip {
            padding: 60px 20px;
            text-align: center;
            background: var(--light-bg);
            border-radius: var(--radius);
            color: var(--text-sub);
            font-size: 15px;
        }

        /* ===== 使用流程 ===== */
        .steps-section {
            background: var(--dark-bg);
            color: #fff;
            padding: var(--space-xl) 0;
        }
        .steps-section .section-header h2 {
            color: #fff;
        }
        .steps-section .section-header p {
            color: rgba(255, 255, 255, 0.7);
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            background: var(--dark-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 36px 28px;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            border-color: rgba(240, 162, 41, 0.4);
            transform: translateY(-4px);
        }
        .step-num {
            font-size: 48px;
            font-weight: 900;
            color: rgba(240, 162, 41, 0.25);
            line-height: 1;
            margin-bottom: 14px;
            font-style: italic;
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }
        .step-card .step-icon {
            position: absolute;
            top: 28px;
            right: 24px;
            font-size: 20px;
            color: var(--accent);
            opacity: 0.6;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--light-bg);
            padding: var(--space-xl) 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(11, 27, 34, 0.02);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(13, 92, 77, 0.15);
        }
        .faq-item summary {
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            list-style: none;
            user-select: none;
        }
        .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: 13px;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item[open] {
            box-shadow: var(--shadow);
        }
        .faq-answer {
            padding: 0 24px 20px;
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* ===== CTA 区域 ===== */
        .cta-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: var(--space-xl) 0;
            color: #fff;
            text-align: center;
            isolation: isolate;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 27, 34, 0.9), rgba(13, 92, 77, 0.75));
            z-index: -1;
        }
        .cta-inner {
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 36px;
            font-weight: 900;
            margin-bottom: 14px;
        }
        .cta-inner p {
            font-size: 16px;
            opacity: 0.85;
            margin-bottom: 30px;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 28px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand .brand-name {
            color: #fff;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            opacity: 0.7;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            opacity: 1;
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            opacity: 0.5;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== 响应式断点 ===== */
        @media (min-width: 1024px) {}

        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 38px;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .categories-grid {
                grid-template-columns: 1fr;
            }
            .latest-wrapper {
                grid-template-columns: 1fr;
            }
            .latest-sidebar {
                position: static;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-xl: 56px;
                --space-lg: 32px;
            }
            .brand-bar-inner {
                flex-wrap: wrap;
            }
            .brand-search {
                order: 3;
                max-width: 100%;
                margin: 8px 0 0;
                flex-basis: 100%;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .channel-nav {
                display: none;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 0;
            }
            .channel-nav.open {
                display: flex;
            }
            .channel-bar {
                border-top: 1px solid var(--border);
            }
            .nav-item {
                padding: 14px 16px;
                border-bottom: none;
                border-left: 3px solid transparent;
            }
            .nav-item.active {
                border-bottom: none;
                border-left-color: var(--primary);
                background: rgba(13, 92, 77, 0.04);
            }
            .hero {
                padding: 70px 0 80px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero p {
                font-size: 15px;
            }
            .hero-stats-row {
                gap: 20px;
                margin-top: 36px;
                flex-direction: column;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .category-card {
                min-height: 240px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-num {
                font-size: 28px;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .brand-name {
                font-size: 18px;
            }
            .brand-tag {
                display: none;
            }
            .hero h1 {
                font-size: 26px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-num {
                font-size: 24px;
            }
            .category-card .content h3 {
                font-size: 20px;
            }
            .news-card {
                flex-direction: row;
                padding: 14px;
            }
            .news-index {
                font-size: 22px;
                width: 30px;
            }
            .news-body h3 {
                font-size: 15px;
            }
            .faq-item summary {
                padding: 16px 18px;
                font-size: 15px;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #eef2ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --bg-deep: #0f172a;
            --bg-navy: #1e293b;
            --text-main: #1e293b;
            --text-body: #475569;
            --text-weak: #94a3b8;
            --border-color: #e2e8f0;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
            --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.12);
            --space-section: 72px;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        .container {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            background: var(--bg-deep);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 16px rgba(2, 6, 23, 0.3);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            line-height: 1.2;
        }

        .brand-logo .brand-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
        }

        .brand-logo .brand-name {
            font-weight: 800;
            font-size: 1.25rem;
            white-space: nowrap;
        }

        .header-tools {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-search {
            position: relative;
        }

        .header-search input {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 30px;
            padding: 8px 16px 8px 38px;
            color: #fff;
            font-size: 0.875rem;
            width: 220px;
            transition: background 0.2s, border-color 0.2s, width 0.2s;
        }

        .header-search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .header-search input:focus {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--primary);
            width: 260px;
            outline: none;
        }

        .header-search i {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .header-mobile-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border: none;
            color: #fff;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            transition: background 0.2s;
        }

        .header-mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 0;
            overflow-x: auto;
            scrollbar-width: none;
        }

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

        .channel-nav .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 20px;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: 8px 8px 0 0;
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            transition: color 0.2s, background 0.2s, border-color 0.2s;
        }

        .channel-nav .nav-item i {
            font-size: 0.85rem;
        }

        .channel-nav .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .channel-nav .nav-item.active {
            color: #fff;
            background: var(--bg-body);
            border-bottom-color: var(--accent);
            border-radius: 8px 8px 0 0;
        }

        .channel-nav .nav-item.active i {
            color: var(--accent);
        }

        @media (max-width: 1024px) {
            .header-search input {
                width: 160px;
            }
            .header-search input:focus {
                width: 200px;
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }
            .header-mobile-toggle {
                display: inline-flex;
            }
            .channel-nav {
                flex-direction: row;
                padding: 4px 0;
                overflow-x: auto;
                gap: 0;
            }
            .channel-nav .nav-item {
                padding: 10px 16px;
                font-size: 0.875rem;
                border-radius: 0;
                border-bottom: 2px solid transparent;
            }
            .channel-nav .nav-item.active {
                border-radius: 0;
            }
        }

        @media (max-width: 520px) {
            .header-top {
                padding: 10px 0;
            }
            .brand-logo {
                font-size: 1.05rem;
            }
            .brand-logo .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .brand-logo .brand-name {
                font-size: 1.05rem;
            }
            .channel-nav .nav-item {
                padding: 9px 12px;
                font-size: 0.8rem;
                gap: 5px;
            }
            .channel-nav .nav-item i {
                font-size: 0.75rem;
            }
        }

        /* ===== Banner ===== */
        .page-banner {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.78)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            padding: 72px 0;
            position: relative;
        }

        .page-banner .banner-inner {
            max-width: 840px;
        }

        .page-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(6px);
            padding: 6px 16px;
            border-radius: 24px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .page-banner .banner-tag i {
            color: var(--accent);
        }

        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 14px;
            color: #fff;
        }

        .page-banner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
            margin-bottom: 0;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 48px 0;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner p {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: 40px 0;
            }
            .page-banner h1 {
                font-size: 1.5rem;
            }
        }

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

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

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-title-wrap {
            max-width: 640px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .section-eyebrow::before {
            content: "";
            width: 20px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.35;
            margin: 0;
        }

        .section-header .section-desc {
            color: var(--text-weak);
            margin-top: 6px;
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
            line-height: 1.5;
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background: linear-gradient(120deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 14px rgba(99, 102, 241, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
            color: #fff;
        }

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

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

        .btn-light {
            background: #fff;
            color: var(--primary-dark);
            box-shadow: 0 4px 14px rgba(255, 255, 255, 0.25);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.35);
            color: var(--primary);
        }

        /* ===== 数据统计 ===== */
        .stats-strip {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 0;
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }

        .stats-strip .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            transform: translateY(-36px);
        }

        .stats-strip .stat-item {
            padding: 28px 20px;
            text-align: center;
            border-right: 1px solid var(--border-color);
        }

        .stats-strip .stat-item:last-child {
            border-right: none;
        }

        .stats-strip .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .stats-strip .stat-label {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .stats-strip .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip .stat-item {
                border-bottom: 1px solid var(--border-color);
            }
            .stats-strip .stat-item:nth-child(2) {
                border-right: none;
            }
            .stats-strip .stat-item:nth-child(3),
            .stats-strip .stat-item:nth-child(4) {
                border-bottom: none;
            }
        }

        @media (max-width: 520px) {
            .stats-strip .stat-num {
                font-size: 1.6rem;
            }
            .stats-strip .stat-item {
                padding: 20px 12px;
            }
        }

        /* ===== 热点内容卡片 ===== */
        .news-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 32px;
        }

        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }

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

        .news-card .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

        .news-card:hover .card-cover img {
            transform: scale(1.05);
        }

        .news-card .card-cover .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 23, 42, 0.7);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .news-card .card-body {
            padding: 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .news-card .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .news-card .card-meta i {
            color: var(--primary);
            font-size: 0.7rem;
        }

        .news-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .news-card p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 12px;
            flex: 1;
        }

        .news-card .card-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
        }

        .news-card .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        .news-card .card-link i {
            font-size: 0.75rem;
        }

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

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

        /* ===== 电竞赛事区块 ===== */
        .esports-section {
            background: linear-gradient(135deg, var(--bg-deep), var(--bg-navy));
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .esports-section::before {
            content: "";
            position: absolute;
            top: -120px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
            opacity: 0.25;
            border-radius: 50%;
            pointer-events: none;
        }

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

        .esports-section .section-header .section-desc {
            color: rgba(255, 255, 255, 0.6);
        }

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

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

        .match-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(8px);
            transition: background 0.3s, border-color 0.3s, transform 0.3s;
        }

        .match-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
        }

        .match-card .match-date {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .match-card .match-teams {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 8px;
        }

        .match-card .match-info {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            line-height: 1.7;
        }

        .match-card .match-tag {
            margin-top: 12px;
            display: inline-block;
            padding: 3px 12px;
            border-radius: 16px;
            font-size: 0.75rem;
            background: rgba(99, 102, 241, 0.2);
            color: #c7d2fe;
            border: 1px solid rgba(99, 102, 241, 0.3);
        }

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

        @media (max-width: 640px) {
            .match-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 专题/资讯标签 ===== */
        .topic-strip {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
        }

        .topic-scroll {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding: 20px 0;
            scrollbar-width: none;
            flex-wrap: nowrap;
        }

        .topic-scroll::-webkit-scrollbar {
            display: none;
        }

        .topic-item {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 24px;
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-body);
            transition: all 0.2s ease;
        }

        .topic-item i {
            color: var(--primary);
        }

        .topic-item:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary-dark);
        }

        /* ===== 排行榜 ===== */
        .rank-section .rank-list {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
            transition: background 0.2s ease;
        }

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

        .rank-item:hover {
            background: var(--bg-body);
        }

        .rank-num {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            background: var(--bg-body);
            color: var(--text-weak);
            flex-shrink: 0;
        }

        .rank-item:nth-child(1) .rank-num {
            background: linear-gradient(135deg, #f59e0b, #fbbf24);
            color: #fff;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
        }

        .rank-item:nth-child(2) .rank-num {
            background: linear-gradient(135deg, #94a3b8, #cbd5e1);
            color: #fff;
        }

        .rank-item:nth-child(3) .rank-num {
            background: linear-gradient(135deg, #d97706, #f59e0b);
            color: #fff;
        }

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

        .rank-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-content p {
            font-size: 0.82rem;
            color: var(--text-weak);
            margin: 0;
        }

        .rank-tag {
            flex-shrink: 0;
            padding: 4px 14px;
            border-radius: 16px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        @media (max-width: 640px) {
            .rank-item {
                padding: 16px;
                gap: 12px;
            }
            .rank-tag {
                display: none;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-body);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 16px;
            transition: box-shadow 0.25s ease, border-color 0.25s ease;
        }

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

        .faq-item summary {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

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

        .faq-item summary::after {
            content: "＋";
            font-size: 1.2rem;
            color: var(--primary);
            background: var(--primary-light);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            margin-top: 14px;
            color: var(--text-body);
            line-height: 1.8;
            font-size: 0.9rem;
            padding-top: 14px;
            border-top: 1px dashed var(--border-color);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(120deg, var(--primary-dark), var(--primary));
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            bottom: -60px;
            left: 40px;
            width: 200px;
            height: 200px;
            border: 3px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 640px) {
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .cta-buttons .btn {
                width: 100%;
                max-width: 260px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 340px;
            margin-bottom: 20px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

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

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color 0.2s, padding-left 0.2s;
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                padding: 20px 0;
            }
        }

        /* ===== Foundation 样式修正 ===== */
        .row {
            max-width: none;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-main);
            font-weight: 700;
            color: var(--text-main);
        }

        /* ===== FAQ CTA 交界 ===== */
        .faq-cta-wrap {
            background: var(--bg-white);
        }

        /* ===== 页面底部间隔 ===== */
        .page-end {
            height: 1px;
            background: transparent;
        }

/* roulang page: category2 */
:root {
            --primary: #0b132b;
            --primary-light: #1c2541;
            --accent: #10b981;
            --accent-dark: #059669;
            --accent-amber: #f59e0b;
            --bg-body: #f4f6fb;
            --bg-dark: #0f172a;
            --bg-card: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
            --shadow-md: 0 10px 30px rgba(15, 23, 42, .08);
            --shadow-lg: 0 20px 50px rgba(15, 23, 42, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --space-section: 80px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease, background .25s ease, box-shadow .25s ease, transform .25s ease;
        }

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

        .container {
            max-width: 1280px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        .section {
            padding-block: var(--space-section);
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-header .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(16, 185, 129, .12);
            color: var(--accent-dark);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        .section-header h2 {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--primary);
            letter-spacing: -1px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            margin-top: 14px;
        }

        /* ===== Header ===== */
        .site-header {
            background: var(--bg-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0, 0, 0, .18);
        }

        .header-top {
            background: var(--bg-dark);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-block: 14px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            background: linear-gradient(135deg, var(--accent), #34d399);
            border-radius: 10px;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(16, 185, 129, .4);
        }

        .brand-name {
            background: linear-gradient(120deg, #fff, #d1fae5);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 999px;
            padding: 6px 16px;
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            cursor: pointer;
            transition: all .25s ease;
        }

        .header-search:hover {
            background: rgba(255, 255, 255, .14);
            border-color: rgba(16, 185, 129, .5);
        }

        .header-search i {
            color: var(--accent);
        }

        .channel-nav {
            background: var(--bg-dark);
            padding-block: 0;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }

        .channel-nav .container {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            padding-block: 8px;
            scrollbar-width: none;
        }

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

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, .75);
            white-space: nowrap;
            transition: all .25s ease;
            background: transparent;
            border: 1px solid transparent;
        }

        .nav-item i {
            font-size: 14px;
            opacity: .9;
        }

        .nav-item:hover {
            color: #fff;
            background: rgba(255, 255, 255, .72);
            transform: translateY(-1px);
        }

        .nav-item.active {
            color: #fff;
            background: var(--accent);
            border-color: var(--accent);
            box-shadow: 0 4px 16px rgba(16, 185, 129, .4);
        }

        /* ===== Hero Banner ===== */
        .category-banner {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(120deg, rgba(11, 19, 43, .92), rgba(15, 23, 42, .72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .category-banner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(244, 246, 251, 1) 100%);
            pointer-events: none;
        }

        .category-banner .container {
            position: relative;
            z-index: 2;
        }

        .category-banner .badge-line {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            letter-spacing: .5px;
            backdrop-filter: blur(4px);
        }

        .category-banner h1 {
            font-size: clamp(34px, 6vw, 56px);
            font-weight: 900;
            line-height: 1.2;
            margin: 18px 0 14px;
            letter-spacing: -1px;
        }

        .category-banner h1 span {
            color: var(--accent-amber);
        }

        .category-banner p {
            font-size: 17px;
            max-width: 640px;
            margin: 0 auto 30px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.8;
        }

        .banner-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 999px;
            border: none;
            box-shadow: 0 6px 20px rgba(16, 185, 129, .4);
            cursor: pointer;
            transition: all .25s ease;
        }

        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(16, 185, 129, .5);
        }

        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .1);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, .3);
            backdrop-filter: blur(4px);
            transition: all .25s ease;
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, .2);
            border-color: rgba(255, 255, 255, .6);
            transform: translateY(-2px);
        }

        .banner-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 780px;
            margin: 50px auto 0;
            padding: 24px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: 20px;
            backdrop-filter: blur(6px);
        }

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

        .banner-stat .num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
        }

        .banner-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, .7);
            margin-top: 4px;
        }

        /* ===== Intro Section ===== */
        .intro-section {
            background: var(--bg-body);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-image {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .intro-image img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .intro-image:hover img {
            transform: scale(1.04);
        }

        .intro-content .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(16, 185, 129, .12);
            color: var(--accent-dark);
            font-size: 14px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .intro-content h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .intro-content p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 12px;
        }

        .intro-list {
            margin-top: 20px;
            display: grid;
            gap: 12px;
        }

        .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--text-main);
            font-weight: 500;
            list-style: none;
        }

        .intro-list li i {
            color: var(--accent);
            font-size: 18px;
            margin-top: 4px;
        }

        /* ===== Card Grid ===== */
        .cards-section {
            background: #fff;
        }

        .guide-cards {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all .35s ease;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(16, 185, 129, .4);
        }

        .guide-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .guide-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

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

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

        .guide-card .card-tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            background: rgba(16, 185, 129, .1);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        .guide-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.4;
            margin-bottom: 8px;
        }

        .guide-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
        }

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

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

        /* ===== Process ===== */
        .process-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(16, 185, 129, .2), transparent 70%);
            border-radius: 50%;
        }

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

        .process-section .section-header p {
            color: rgba(255, 255, 255, .7);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .process-step {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: all .3s ease;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }

        .process-step .step-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--accent);
            opacity: .6;
            line-height: 1;
            display: block;
            margin-bottom: 18px;
        }

        .process-step h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .process-step p {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            line-height: 1.6;
        }

        /* ===== Data Section ===== */
        .data-section {
            background: linear-gradient(135deg, #f0fdf4 0%, #f4f6fb 60%, #eff6ff 100%);
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .data-item {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all .3s ease;
        }

        .data-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .data-item .data-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: rgba(16, 185, 129, .12);
            color: var(--accent-dark);
            display: grid;
            place-items: center;
            font-size: 22px;
            margin: 0 auto 16px;
        }

        .data-item .data-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .data-item .data-label {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* ===== News List ===== */
        .news-section {
            background: #fff;
        }

        .news-list {
            max-width: 860px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-body);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 16px;
            transition: all .25s ease;
        }

        .news-item:hover {
            border-color: rgba(16, 185, 129, .35);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .news-date {
            flex-shrink: 0;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            padding: 8px 16px;
            text-align: center;
            min-width: 64px;
        }

        .news-date .day {
            font-size: 20px;
            font-weight: 800;
            display: block;
            line-height: 1;
        }

        .news-date .month {
            font-size: 12px;
            opacity: .8;
        }

        .news-content {
            flex: 1;
        }

        .news-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .news-content p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .news-more {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-body);
        }

        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            padding: 0;
            overflow: hidden;
            transition: all .25s ease;
        }

        .faq-item:hover {
            border-color: rgba(16, 185, 129, .4);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            list-style: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            transition: all .25s ease;
        }

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

        .faq-item summary::after {
            content: "+";
            font-size: 24px;
            font-weight: 600;
            color: var(--accent);
            transition: transform .25s ease;
            line-height: 1;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
            color: var(--accent-dark);
        }

        .faq-item .answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(120deg, rgba(11, 19, 43, .9), rgba(15, 23, 42, .8)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
            padding: 90px 0;
            position: relative;
        }

        .cta-section h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .cta-section .btn-primary {
            background: var(--accent-amber);
            box-shadow: 0 6px 20px rgba(245, 158, 11, .4);
        }

        .cta-section .btn-primary:hover {
            background: #d97706;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #fff;
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 36px;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, .6);
            margin-top: 14px;
            font-size: 15px;
            max-width: 340px;
            line-height: 1.8;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col ul {
            list-style: none;
            display: grid;
            gap: 12px;
        }

        .footer-col a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
            transition: all .25s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-block: 20px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, .4);
            flex-wrap: wrap;
        }

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

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

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

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

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

            .header-top .container {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .header-actions {
                width: 100%;
                justify-content: flex-start;
            }

            .channel-nav .container {
                padding-block: 6px;
            }

            .nav-item {
                padding: 8px 16px;
                font-size: 13px;
            }

            .category-banner {
                padding: 70px 0 60px;
            }

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

            .intro-image img {
                height: 260px;
            }

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

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

        @media (max-width: 520px) {
            .container {
                padding-inline: 18px;
            }

            .guide-cards,
            .process-grid,
            .data-grid {
                grid-template-columns: 1fr;
            }

            .banner-stats {
                grid-template-columns: 1fr 1fr;
                padding: 18px;
                gap: 20px;
            }

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

            .news-item {
                flex-wrap: wrap;
                padding: 16px;
            }

            .news-more {
                display: none;
            }

            .btn-primary,
            .btn-ghost {
                width: 100%;
                justify-content: center;
                padding: 14px 20px;
            }

            .section-header h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 375px) {
            .banner-stats {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: article */
:root {
    --primary: #1b2a4a;
    --primary-dark: #101b30;
    --accent: #06b37a;
    --accent-dark: #048a60;
    --warm: #ff8a00;
    --bg: #f5f6fa;
    --text: #1e293b;
    --text-soft: #64748b;
    --text-faint: #94a3b8;
    --border: #e2e8f0;
    --white: #ffffff;
    --r-lg: 18px;
    --r-md: 12px;
    --r-sm: 8px;
    --shadow-sm: 0 2px 8px rgba(16,24,40,.06);
    --shadow-md: 0 8px 24px rgba(16,24,40,.08);
    --shadow-lg: 0 18px 48px rgba(16,24,40,.12);
    --transition: all .25s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif; background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { padding: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }

/* ===== Header ===== */
.site-header { background: var(--white); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
.brand-bar { padding: 16px 0; }
.brand-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.brand-logo { display: inline-flex; align-items: center; gap: 12px; }
.brand-icon { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; border-radius: 14px; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; font-size: 20px; box-shadow: 0 6px 16px rgba(27,42,74,.25); flex-shrink: 0; }
.brand-name { font-size: 24px; font-weight: 900; letter-spacing: .5px; color: var(--primary); line-height: 1; }
.header-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.search-box { display: flex; align-items: center; background: var(--bg); border-radius: 40px; padding: 4px 4px 4px 18px; border: 1px solid var(--border); max-width: 260px; }
.search-box input { border: none; outline: none; background: transparent; width: 170px; font-size: 14px; color: var(--text); }
.search-box input::placeholder { color: var(--text-faint); }
.search-btn { width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 14px; transition: var(--transition); }
.search-btn:hover { background: var(--accent-dark); }
.header-cta { display: inline-flex; align-items: center; gap: 8px; background: var(--primary); color: #fff; padding: 9px 22px; border-radius: 40px; font-size: 14px; font-weight: 600; transition: var(--transition); }
.header-cta:hover { background: var(--accent); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 18px rgba(27,42,74,.2); }
.channel-wrap { border-top: 1px solid var(--border); background: var(--white); }
.channel-nav { display: flex; gap: 2px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; align-items: stretch; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-nav .nav-item { display: inline-flex; align-items: center; gap: 8px; padding: 14px 22px; font-size: 15px; font-weight: 600; color: var(--text-soft); border-bottom: 3px solid transparent; white-space: nowrap; transition: all .2s ease; }
.channel-nav .nav-item i { color: var(--accent); font-size: 14px; }
.channel-nav .nav-item:hover { color: var(--primary); background: #f8fafc; }
.channel-nav .nav-item.active { color: var(--primary); border-bottom-color: var(--accent); background: linear-gradient(to top, rgba(6,179,122,.06), transparent); }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 30px; border-radius: 40px; font-size: 15px; font-weight: 600; transition: var(--transition); border: 2px solid transparent; line-height: 1.4; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(6,179,122,.3); }
.btn-secondary { background: var(--primary); color: #fff; }
.btn-secondary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(27,42,74,.25); }
.btn-warm { background: var(--warm); color: #fff; }
.btn-warm:hover { background: #e67100; color: #fff; transform: translateY(-2px); box-shadow: 0 10px 24px rgba(255,138,0,.3); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,.75); color: #fff; }
.btn-outline:hover { background: #fff; color: var(--primary); border-color: #fff; transform: translateY(-2px); }
.btn-block { width: 100%; }
.btn:focus-visible, .nav-item:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid rgba(6,179,122,.35); outline-offset: 2px; }

/* ===== Article Hero ===== */
.article-hero { position: relative; background-size: cover; background-position: center; padding: 72px 0 64px; color: #fff; }
.article-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(16,27,48,.94) 0%, rgba(16,27,48,.78) 55%, rgba(6,179,122,.35) 100%); }
.article-hero .container { position: relative; z-index: 1; }
.crumb-nav { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; font-size: 14px; color: rgba(255,255,255,.65); }
.crumb-nav a { color: rgba(255,255,255,.85); }
.crumb-nav a:hover { color: var(--warm); }
.crumb-nav .sep { opacity: .5; }
.crumb-nav .current { color: rgba(255,255,255,.6); }
.article-hero h1 { font-size: 38px; line-height: 1.3; font-weight: 900; max-width: 860px; color: #fff; margin-bottom: 18px; letter-spacing: .5px; }
.article-meta { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.category-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--warm); color: #fff; padding: 5px 16px; border-radius: 30px; font-size: 13px; font-weight: 600; box-shadow: 0 4px 12px rgba(255,138,0,.3); }
.meta-date { display: inline-flex; align-items: center; gap: 7px; color: rgba(255,255,255,.85); font-size: 14px; }
.meta-date i { color: var(--warm); }

/* ===== Article Section ===== */
.section { padding: 56px 0; }
.article-section { padding: 48px 0 64px; }
.article-body { background: var(--white); border-radius: var(--r-lg); padding: 40px; box-shadow: var(--shadow-md); border: 1px solid rgba(226,232,240,.5); }
.article-body h2 { font-size: 24px; font-weight: 700; color: var(--primary); margin: 32px 0 16px; padding-bottom: 10px; border-bottom: 2px solid var(--border); }
.article-body h3 { font-size: 20px; font-weight: 700; margin: 28px 0 12px; color: var(--text); }
.article-body h4 { font-size: 17px; font-weight: 700; margin: 22px 0 10px; color: var(--text); }
.article-body p { margin-bottom: 18px; line-height: 1.9; font-size: 16px; }
.article-body ul, .article-body ol { margin: 0 0 20px 24px; }
.article-body li { margin-bottom: 8px; line-height: 1.8; }
.article-body img { border-radius: var(--r-md); margin: 20px 0; box-shadow: var(--shadow-sm); }
.article-body blockquote { margin: 24px 0; padding: 18px 24px; background: #f0fdf9; border-left: 4px solid var(--accent); border-radius: 0 var(--r-sm) var(--r-sm) 0; color: var(--text-soft); font-size: 15px; }
.article-body a { color: var(--accent); border-bottom: 1px dashed var(--accent); }
.article-body a:hover { color: var(--accent-dark); border-bottom-style: solid; }
.article-tags { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.tag-label { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--text-soft); }
.tag { display: inline-flex; align-items: center; gap: 6px; background: var(--bg); border: 1px solid var(--border); border-radius: 30px; padding: 5px 16px; font-size: 13px; color: var(--text-soft); transition: var(--transition); }
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== Not Found ===== */
.not-found-card { background: var(--white); border-radius: var(--r-lg); padding: 72px 32px; text-align: center; box-shadow: var(--shadow-md); border: 1px solid rgba(226,232,240,.5); }
.not-found-card i { font-size: 52px; color: var(--warm); margin-bottom: 18px; display: inline-block; }
.not-found-card h2 { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.not-found-card p { color: var(--text-soft); font-size: 16px; margin-bottom: 24px; }

/* ===== Sidebar ===== */
.sidebar { padding-left: 8px; }
.side-card { background: var(--white); border-radius: var(--r-md); padding: 24px; box-shadow: var(--shadow-sm); margin-bottom: 20px; border: 1px solid rgba(226,232,240,.5); }
.side-card h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--border); display: flex; align-items: center; gap: 8px; }
.side-card h3 i { color: var(--accent); }
.side-links { list-style: none; margin: 0; }
.side-links li { margin-bottom: 10px; }
.side-links a { display: flex; align-items: center; gap: 10px; padding: 11px 16px; border-radius: var(--r-sm); background: var(--bg); color: var(--text); font-size: 14px; font-weight: 500; transition: var(--transition); }
.side-links a i { color: var(--accent); width: 18px; text-align: center; }
.side-links a:hover { background: var(--primary); color: #fff; transform: translateX(4px); }
.side-links a:hover i { color: var(--warm); }
.feature-card { padding: 0; overflow: hidden; }
.feature-card img { border-radius: 0; }
.feature-content { padding: 20px; }
.feature-content h3 { font-size: 16px; font-weight: 700; color: var(--primary); margin-bottom: 6px; border: none; padding: 0; }
.feature-content p { color: var(--text-soft); font-size: 14px; margin-bottom: 14px; line-height: 1.7; }
.side-info { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; border: none; }
.side-info h3 { color: #fff; border-color: rgba(255,255,255,.2); }
.side-info p { color: rgba(255,255,255,.8); font-size: 14px; margin-bottom: 14px; }
.side-info .btn { margin-top: 4px; }

/* ===== Topic Preview ===== */
.topic-preview { background: var(--white); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head h2 { font-size: 32px; font-weight: 900; color: var(--primary); margin-bottom: 10px; letter-spacing: .5px; }
.section-head p { color: var(--text-soft); font-size: 16px; max-width: 680px; margin: 0 auto; line-height: 1.7; }
.section-head .head-line { width: 56px; height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--accent), var(--warm)); margin: 16px auto 0; }
.topic-card { display: flex; align-items: center; background: var(--white); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); height: 100%; border: 1px solid var(--border); }
.topic-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.topic-card img { width: 220px; height: 170px; object-fit: cover; flex-shrink: 0; }
.topic-card-body { padding: 24px 26px; flex: 1; }
.topic-card-body h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.topic-card-body p { color: var(--text-soft); font-size: 14px; line-height: 1.7; margin-bottom: 14px; }
.text-link { color: var(--accent); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.text-link i { transition: transform .2s ease; }
.topic-card:hover .text-link i { transform: translateX(4px); }

/* ===== Stats ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { background: var(--white); border-radius: var(--r-md); padding: 30px 24px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid rgba(226,232,240,.5); transition: var(--transition); position: relative; overflow: hidden; }
.stat-card::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: linear-gradient(90deg, var(--accent), var(--warm)); opacity: 0; transition: opacity .25s; }
.stat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.stat-card:hover::after { opacity: 1; }
.stat-card i { font-size: 28px; color: var(--accent); margin-bottom: 12px; display: inline-block; }
.stat-num { display: block; font-size: 34px; font-weight: 900; color: var(--primary); line-height: 1.2; margin-bottom: 4px; }
.stat-label { color: var(--text-soft); font-size: 15px; font-weight: 500; }

/* ===== Capability ===== */
.capability-block { background: linear-gradient(180deg, var(--bg), #fff); }
.cap-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cap-card { background: var(--white); border-radius: var(--r-md); padding: 30px 24px; box-shadow: var(--shadow-sm); text-align: center; border: 1px solid var(--border); transition: var(--transition); }
.cap-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); border-color: transparent; }
.cap-card .cap-icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 16px; background: linear-gradient(135deg, rgba(6,179,122,.12), rgba(6,179,122,.04)); display: flex; align-items: center; justify-content: center; color: var(--accent); font-size: 24px; }
.cap-card h3 { font-size: 17px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.cap-card p { color: var(--text-soft); font-size: 14px; line-height: 1.6; margin: 0; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: var(--r-md); margin-bottom: 12px; border: 1px solid var(--border); overflow: hidden; transition: box-shadow .25s ease; }
.faq-item.open { box-shadow: var(--shadow-md); border-color: rgba(6,179,122,.3); }
.faq-q { width: 100%; text-align: left; padding: 18px 24px; font-size: 16px; font-weight: 600; color: var(--primary); display: flex; justify-content: space-between; align-items: center; gap: 16px; background: transparent; transition: var(--transition); }
.faq-q:hover { color: var(--accent); }
.faq-q i { transition: transform .3s ease; color: var(--accent); flex-shrink: 0; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; padding: 0 24px; }
.faq-a p { padding: 0 0 20px; color: var(--text-soft); font-size: 15px; line-height: 1.8; margin: 0; }

/* ===== CTA ===== */
.cta-inner { position: relative; background-size: cover; background-position: center; border-radius: var(--r-lg); padding: 68px 48px; text-align: center; color: #fff; overflow: hidden; box-shadow: var(--shadow-lg); }
.cta-inner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(120deg, rgba(16,27,48,.92), rgba(16,27,48,.72)); }
.cta-inner > * { position: relative; z-index: 1; }
.cta-inner h2 { font-size: 34px; font-weight: 900; color: #fff; margin-bottom: 12px; letter-spacing: 1px; }
.cta-inner p { color: rgba(255,255,255,.85); font-size: 16px; margin-bottom: 26px; max-width: 560px; margin-left: auto; margin-right: auto; line-height: 1.7; }
.cta-inner .btn-group { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--primary-dark); color: #aab3c5; padding: 56px 0 0; margin-top: 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 44px; padding-bottom: 36px; }
.footer-brand .brand-logo { color: #fff; margin-bottom: 14px; display: inline-flex; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { margin: 12px 0 0; font-size: 14px; color: #8a94a6; max-width: 340px; line-height: 1.8; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 16px; letter-spacing: .5px; }
.footer-col ul { list-style: none; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { color: #9aa3b7; font-size: 14px; transition: var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 13px; color: #707b8f; }

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
    .article-hero h1 { font-size: 32px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .cap-grid { grid-template-columns: repeat(2, 1fr); }
    .topic-card img { width: 180px; height: 150px; }
}
@media screen and (max-width: 768px) {
    .brand-bar .container { flex-direction: column; align-items: flex-start; gap: 14px; }
    .header-actions { width: 100%; justify-content: space-between; }
    .search-box { flex: 1; max-width: none; }
    .article-hero { padding: 48px 0; }
    .article-hero h1 { font-size: 26px; }
    .article-body { padding: 24px 20px; }
    .sidebar { padding-left: 0; }
    .topic-card { flex-direction: column; }
    .topic-card img { width: 100%; height: 180px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .cta-inner { padding: 48px 24px; }
    .cta-inner h2 { font-size: 28px; }
    .section { padding: 44px 0; }
    .section-head h2 { font-size: 26px; }
    .stat-num { font-size: 28px; }
}
@media screen and (max-width: 520px) {
    .container { padding: 0 18px; }
    .channel-nav .nav-item { padding: 12px 14px; font-size: 14px; gap: 6px; }
    .brand-name { font-size: 20px; }
    .brand-icon { width: 38px; height: 38px; font-size: 17px; }
    .article-body h2 { font-size: 20px; }
    .article-body p { font-size: 15px; }
    .search-box input { width: 120px; }
    .stats-grid { grid-template-columns: 1fr; gap: 16px; }
    .cap-grid { grid-template-columns: 1fr; gap: 16px; }
    .faq-q { font-size: 15px; padding: 16px 18px; }
    .faq-a { padding: 0 18px; }
    .btn { width: 100%; justify-content: center; margin-bottom: 8px; }
    .cta-inner .btn-group { width: 100%; }
    .card-cell { padding: 0; }
}