/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #5a4bd1;
            --primary-light: #a29bfe;
            --secondary: #00b894;
            --secondary-dark: #00a381;
            --accent: #fd79a8;
            --dark: #0f0e17;
            --dark-2: #1a1930;
            --dark-3: #222143;
            --light: #f7f7fd;
            --light-2: #efeffd;
            --text: #2d2d44;
            --text-light: #6b6b85;
            --border: #e3e3f0;
            --white: #ffffff;
            --gradient-main: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 100%);
            --gradient-dark: linear-gradient(135deg, #0f0e17 0%, #1a1930 80%, #222143 100%);
            --shadow-sm: 0 2px 10px rgba(15, 14, 23, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 14, 23, 0.08);
            --shadow-lg: 0 16px 40px rgba(108, 92, 231, 0.15);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-full: 999px;
            --container: 1200px;
            --space-section: 90px;
            --space-block: 40px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--white);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: inline-block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        ul, ol {
            list-style: none;
        }
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-alt {
            background-color: var(--light);
        }
        .section-dark {
            background: var(--gradient-dark);
            color: rgba(255, 255, 255, 0.85);
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            font-size: 24px;
            font-weight: 900;
            letter-spacing: -0.5px;
            color: var(--text);
        }
        .site-logo .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: var(--gradient-main);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 18px;
            font-weight: 900;
            box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
        }
        .site-logo .logo-text {
            font-weight: 900;
        }
        .site-logo .logo-text span {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
        }
        .main-nav a {
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-full);
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .main-nav a:hover {
            color: var(--primary);
            background-color: var(--light-2);
        }
        .main-nav a.active {
            color: var(--primary);
            background-color: rgba(108, 92, 231, 0.1);
            font-weight: 700;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background-color: var(--light-2);
            border-radius: var(--radius-full);
            padding: 6px 16px;
            border: 1px solid transparent;
            transition: border-color 0.25s ease, background-color 0.25s ease, box-shadow 0.25s ease;
            cursor: pointer;
        }
        .search-box:hover {
            border-color: var(--primary-light);
            background-color: var(--white);
            box-shadow: var(--shadow-sm);
        }
        .search-box i {
            color: var(--text-light);
            font-size: 14px;
        }
        .search-box span {
            font-size: 13px;
            color: var(--text-light);
            white-space: nowrap;
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-main);
            color: var(--white) !important;
            padding: 9px 22px;
            border-radius: var(--radius-full);
            font-size: 14px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(108, 92, 231, 0.25);
            transition: all 0.3s ease;
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(108, 92, 231, 0.35);
        }
        .mobile-menu-btn {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: var(--white);
            font-size: 18px;
            color: var(--text);
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        /* 移动端导航面板 */
        .mobile-nav {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            padding: 16px 20px 24px;
            display: none;
            z-index: 99;
            box-shadow: var(--shadow-md);
        }
        .mobile-nav.open {
            display: block;
        }
        .mobile-nav a {
            display: block;
            padding: 12px 16px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
        }
        .mobile-nav a:hover {
            background-color: var(--light);
            color: var(--primary);
        }
        .mobile-nav a.active {
            background-color: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-weight: 700;
        }

        /* ===== 公共按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            border: 2px solid transparent;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gradient-main);
            color: var(--white);
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.25);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(108, 92, 231, 0.35);
            color: var(--white);
        }
        .btn-secondary {
            background-color: transparent;
            border-color: var(--border);
            color: var(--text);
        }
        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(108, 92, 231, 0.04);
        }
        .btn-white {
            background-color: var(--white);
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
            color: var(--primary-dark);
        }
        .btn-outline-white {
            background-color: transparent;
            border-color: rgba(255, 255, 255, 0.6);
            color: var(--white);
        }
        .btn-outline-white:hover {
            border-color: var(--white);
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--white);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 13px;
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 16px;
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(135deg, rgba(15, 14, 23, 0.9) 0%, rgba(26, 25, 48, 0.85) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            color: var(--white);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 92, 231, 0.4) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 184, 148, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-full);
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            margin-bottom: 20px;
        }
        .hero-badge i {
            color: var(--primary-light);
        }
        .hero h1 {
            font-size: 48px;
            line-height: 1.2;
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero h1 .gradient-text {
            background: linear-gradient(90deg, #a29bfe, #6c5ce7, #a29bfe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-stat-item .num {
            font-size: 28px;
            font-weight: 900;
            line-height: 1.2;
        }
        .hero-stat-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== 板块头部 ===== */
        .section-header {
            margin-bottom: 48px;
            max-width: 720px;
        }
        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            background-color: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .section-header h2 {
            font-size: 36px;
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -0.5px;
            color: var(--text);
            margin-bottom: 14px;
        }
        .section-header p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }
        .section-header.light h2 {
            color: var(--white);
        }
        .section-header.light p {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 优势卡片 ===== */
        .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-md);
            padding: 36px 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-main);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(108, 92, 231, 0.1), rgba(162, 155, 254, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 分类卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            background: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .category-card .card-image {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        .category-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .card-image img {
            transform: scale(1.05);
        }
        .category-card .card-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 14, 23, 0.5));
        }
        .category-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card .card-tag {
            display: inline-block;
            background-color: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            margin-bottom: 12px;
            align-self: flex-start;
        }
        .category-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .category-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
        }
        .category-card .card-link {
            margin-top: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: var(--primary);
            font-size: 14px;
        }
        .category-card .card-link i {
            transition: transform 0.3s ease;
            font-size: 12px;
        }
        .category-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ===== 指南卡 / 内容卡 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .guide-card {
            display: flex;
            gap: 24px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all 0.3s ease;
            align-items: flex-start;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .guide-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--gradient-main);
            color: var(--white);
            font-size: 18px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .guide-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .guide-content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 资讯列表 ===== */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            align-items: start;
        }
        .news-card {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            transition: all 0.3s ease;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }
        .news-card .news-cover {
            flex-shrink: 0;
            width: 180px;
            height: 130px;
            border-radius: 12px;
            overflow: hidden;
        }
        .news-card .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card .news-body {
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .news-card .news-cat {
            background-color: rgba(108, 92, 231, 0.08);
            color: var(--primary);
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
        }
        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            margin-bottom: 8px;
        }
        .news-card h3 a:hover {
            color: var(--primary);
        }
        .news-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .news-sidebar {
            background: var(--light);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border);
        }
        .news-sidebar h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text);
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary);
        }
        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            gap: 10px;
            align-items: baseline;
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .sidebar-list .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
            margin-top: 10px;
        }
        .sidebar-list a {
            font-size: 14px;
            color: var(--text);
            line-height: 1.6;
        }
        .sidebar-list a:hover {
            color: var(--primary);
        }

        /* ===== 数据/流程区块 ===== */
        .data-section {
            background: var(--gradient-dark);
            color: var(--white);
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .data-item .data-num {
            font-size: 42px;
            font-weight: 900;
            color: var(--white);
            line-height: 1.2;
        }
        .data-item .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 8px;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .process-step {
            text-align: center;
            padding: 28px 20px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            position: relative;
        }
        .process-step .step-num {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary-light);
            display: block;
            margin-bottom: 12px;
        }
        .process-step .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(108, 92, 231, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 20px;
            color: var(--primary-light);
        }
        .process-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--white);
        }
        .process-step p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: all 0.3s ease;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary-light);
        }
        .faq-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            display: flex;
            gap: 10px;
            align-items: flex-start;
        }
        .faq-item h3 i {
            color: var(--primary);
            font-size: 16px;
            margin-top: 3px;
            flex-shrink: 0;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            padding-left: 26px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--gradient-main);
            position: relative;
            overflow: hidden;
            border-radius: 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            color: var(--white);
        }
        .cta-inner h2 {
            font-size: 36px;
            font-weight: 900;
            margin-bottom: 16px;
            color: var(--white);
        }
        .cta-inner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .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);
        }
        .footer-brand .site-logo {
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 20px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
        }
        .footer-bottom {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }
        .footer-bottom-links a:hover {
            color: var(--white);
        }

        /* ===== 空状态 ===== */
        .empty-state {
            background: var(--white);
            border: 1px dashed var(--border);
            border-radius: var(--radius-md);
            padding: 40px;
            text-align: center;
            color: var(--text-light);
            font-size: 15px;
        }
        .empty-state i {
            font-size: 28px;
            color: var(--border);
            display: block;
            margin-bottom: 10px;
        }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .header-cta {
                display: none;
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 40px;
            }
        }
        @media screen and (max-width: 768px) {
            :root {
                --space-section: 60px;
            }
            .main-nav {
                display: none;
            }
            .mobile-menu-btn {
                display: flex;
            }
            .header-actions .search-box {
                display: none;
            }
            .hero {
                padding: 70px 0 60px;
            }
            .hero h1 {
                font-size: 32px;
            }
            .hero-desc {
                font-size: 16px;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-item .num {
                font-size: 22px;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card .news-cover {
                width: 100%;
                height: 180px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media screen and (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .data-item .data-num {
                font-size: 30px;
            }
            .guide-card {
                flex-direction: column;
                gap: 14px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .cta-buttons .btn {
                width: 100%;
            }
            .news-sidebar {
                padding: 20px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #4f46e5;
            --primary-dark: #4338ca;
            --primary-light: #eef2ff;
            --accent: #10b981;
            --accent-light: #d1fae5;
            --dark: #0f172a;
            --dark-2: #1e293b;
            --bg: #f8fafc;
            --white: #ffffff;
            --text: #1e293b;
            --text-light: #64748b;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-lg: 24px;
            --radius-sm: 10px;
            --shadow: 0 4px 20px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 40px rgba(79, 70, 229, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul, ol {
            list-style: none;
        }

        button, input, select, textarea {
            font: inherit;
            color: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: 0 1px 12px rgba(15, 23, 42, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 72px;
        }

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

        .logo-mark {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 21px;
            font-weight: 800;
            border-radius: 12px;
            box-shadow: 0 6px 16px rgba(79, 70, 229, 0.3);
            letter-spacing: -1px;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
            color: var(--text);
            line-height: 1.2;
        }

        .logo-text span {
            color: var(--primary);
            font-weight: 700;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            justify-content: center;
        }

        .main-nav a {
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
        }

        .main-nav a:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .main-nav a.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(79, 70, 229, 0.15);
        }

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

        .header-search {
            position: relative;
        }

        .header-search input {
            width: 200px;
            height: 40px;
            padding: 0 14px 0 38px;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: var(--bg);
            font-size: 14px;
            color: var(--text);
            outline: none;
            transition: var(--transition);
        }

        .header-search input:focus {
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
            width: 240px;
        }

        .header-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 14px;
            color: var(--text-muted);
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
            font-weight: 600;
            border-radius: 999px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(79, 70, 229, 0.4);
        }

        .btn-outline {
            border: 1px solid var(--border);
            color: var(--text);
            background: #fff;
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        .btn-lg {
            height: 50px;
            padding: 0 30px;
            font-size: 16px;
        }

        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            background: var(--primary-light);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 12px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--text);
            background: #fff;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .nav-toggle.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            padding: 22px 0 0;
        }

        .breadcrumb-list {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-light);
        }

        .breadcrumb-list a {
            color: var(--text-light);
        }

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

        .breadcrumb-list i {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== Category Hero ========== */
        .category-hero {
            position: relative;
            padding: 76px 0 68px;
            background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #312e81 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-1.png");
            background-size: cover;
            background-position: center;
            opacity: 0.28;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 23, 42, 0.55) 50%, rgba(49, 46, 129, 0.5) 100%);
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(16, 185, 129, 0.18);
            border: 1px solid rgba(16, 185, 129, 0.3);
            color: #6ee7b7;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 22px;
        }

        .category-hero h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .category-hero h1 .highlight {
            color: #818cf8;
            position: relative;
        }

        .category-hero p.lead {
            font-size: 17px;
            color: rgba(226, 232, 240, 0.85);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(226, 232, 240, 0.75);
            font-size: 14px;
        }

        .hero-meta-item i {
            color: #818cf8;
            font-size: 16px;
        }

        /* ========== Section General ========== */
        .section {
            padding: 80px 0;
        }

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

        .section-tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.5px;
            margin-bottom: 14px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ========== Intro Cards ========== */
        .intro-cards {
            padding: 56px 0 0;
        }

        .intro-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .intro-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

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

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

        .intro-icon {
            width: 52px;
            height: 52px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 18px;
        }

        .intro-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
        }

        .intro-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== Event Cards ========== */
        .event-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .event-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .event-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(79, 70, 229, 0.2);
        }

        .event-cover {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .event-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .event-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.5));
        }

        .event-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: rgba(79, 70, 229, 0.85);
            backdrop-filter: blur(4px);
        }

        .event-tag.tag-accent {
            background: rgba(16, 185, 129, 0.85);
        }

        .event-tag.tag-warm {
            background: rgba(245, 158, 11, 0.85);
        }

        .event-tag.tag-cool {
            background: rgba(14, 165, 233, 0.85);
        }

        .event-info {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .event-info .event-category {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 8px;
        }

        .event-info h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .event-info p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 18px;
        }

        .event-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .event-stats {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-light);
        }

        .event-stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .event-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* ========== Guide Section ========== */
        .guide-section {
            background: var(--dark);
            background-image: linear-gradient(rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.92)), url("/assets/images/backpic/back-2.png");
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .guide-section .section-tag {
            background: rgba(16, 185, 129, 0.15);
            color: #6ee7b7;
        }

        .guide-section .section-title {
            color: #fff;
        }

        .guide-section .section-subtitle {
            color: rgba(226, 232, 240, 0.7);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 20px;
        }

        .guide-step {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

        .guide-step:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
            border-color: rgba(129, 140, 248, 0.4);
        }

        .step-number {
            width: 56px;
            height: 56px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 18px;
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.4);
        }

        .guide-step h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .guide-step p {
            font-size: 14px;
            color: rgba(226, 232, 240, 0.65);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .guide-step .step-arrow {
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.25);
            font-size: 18px;
            z-index: 2;
        }

        /* ========== Stats Section ========== */
        .stats-section {
            background: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 48px;
        }

        .stat-item {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius);
            background: var(--bg);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: rgba(79, 70, 229, 0.25);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }

        .trend-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
        }

        .trend-table thead th {
            background: var(--dark);
            color: #fff;
            padding: 16px 20px;
            font-size: 14px;
            font-weight: 600;
            text-align: left;
            white-space: nowrap;
        }

        .trend-table tbody td {
            padding: 16px 20px;
            font-size: 14px;
            border-top: 1px solid var(--border);
            color: var(--text);
            vertical-align: middle;
        }

        .trend-table tbody tr {
            transition: var(--transition);
        }

        .trend-table tbody tr:hover {
            background: var(--primary-light);
        }

        .trend-status {
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            display: inline-block;
        }

        .trend-status.live {
            background: var(--accent-light);
            color: #047857;
        }

        .trend-status.soon {
            background: #fef3c7;
            color: #b45309;
        }

        .trend-status.finished {
            background: #f1f5f9;
            color: #64748b;
        }

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

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: rgba(79, 70, 229, 0.25);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(79, 70, 229, 0.08);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 22px 26px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
        }

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

        .faq-icon {
            width: 30px;
            height: 30px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 26px 24px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }

        .faq-answer-inner a {
            color: var(--primary);
            font-weight: 500;
            border-bottom: 1px solid transparent;
        }

        .faq-answer-inner a:hover {
            border-bottom-color: var(--primary);
        }

        /* ========== CTA Section ========== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #1e1b4b 0%, #4f46e5 100%);
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-3.png");
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
        }

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

        /* ========== Footer ========== */
        .site-footer {
            background: #0f172a;
            color: rgba(226, 232, 240, 0.7);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .site-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
            color: rgba(226, 232, 240, 0.55);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(226, 232, 240, 0.55);
            transition: var(--transition);
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(226, 232, 240, 0.4);
        }

        .footer-bottom-links {
            display: flex;
            gap: 20px;
        }

        .footer-bottom-links a {
            color: rgba(226, 232, 240, 0.4);
            font-size: 13px;
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ========== Mobile Responsive ========== */
        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .header-search input {
                width: 160px;
            }

            .header-search input:focus {
                width: 180px;
            }
        }

        @media (max-width: 900px) {
            .header-inner {
                height: auto;
                padding: 14px 0;
                flex-wrap: wrap;
            }

            .site-header .container {
                padding: 0 16px;
            }

            .header-tools {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                margin-left: auto;
            }

            .main-nav {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                padding: 16px 0 8px;
                border-top: 1px solid var(--border);
                background: #fff;
            }

            .main-nav.open {
                display: flex;
            }

            .main-nav a {
                padding: 12px 18px;
                border-radius: 12px;
                text-align: center;
                font-size: 15px;
            }

            .category-hero {
                padding: 56px 0 48px;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .category-hero p.lead {
                font-size: 15px;
            }

            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 26px;
            }

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

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

        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

            .hero-meta {
                flex-direction: column;
                gap: 12px;
            }

            .intro-cards .cell {
                margin-bottom: 16px;
            }

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

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stat-number {
                font-size: 32px;
            }

            .stat-item {
                padding: 24px 12px;
            }

            .trend-table {
                display: block;
                overflow-x: auto;
                white-space: nowrap;
                border-radius: var(--radius);
            }

            .event-card {
                margin-bottom: 20px;
            }

            .faq-question {
                padding: 18px 20px;
                font-size: 15px;
            }

            .faq-answer-inner {
                padding: 0 20px 20px;
                padding-top: 16px;
                font-size: 14px;
            }

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

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }

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

/* roulang page: article */
/* ================= 设计变量 ================= */
        :root {
            --primary: #4f6ef2;
            --primary-dark: #3451db;
            --primary-light: #eef2fe;
            --accent: #8b5cf6;
            --accent-light: #f3effe;
            --dark: #0b1020;
            --dark-2: #161d30;
            --bg: #f5f7fb;
            --surface: #ffffff;
            --surface-2: #f8fafc;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius-lg: 22px;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 20px 50px rgba(79, 110, 242, 0.15);
            --transition: all 0.25s ease;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ================= Reset & Base ================= */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ================= 按钮 ================= */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            box-shadow: 0 8px 20px rgba(79, 110, 242, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 32px rgba(79, 110, 242, 0.4);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(79, 110, 242, 0.2);
            color: #fff;
        }
        .btn-light {
            background: #fff;
            color: var(--dark);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
        }
        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(255, 255, 255, 0.3);
            color: var(--primary);
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
        }

        /* ================= 导航 Header ================= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 16, 32, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 24px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: #fff;
            flex-shrink: 0;
        }
        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 12px;
            font-size: 19px;
            color: #fff;
            box-shadow: 0 6px 16px rgba(79, 110, 242, 0.35);
        }
        .logo-text {
            letter-spacing: 0.02em;
            line-height: 1.2;
        }
        .logo-text span {
            color: #a5b4fc;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin: 0 auto;
        }
        .main-nav a {
            padding: 9px 18px;
            border-radius: 999px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }
        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(79, 110, 242, 0.35);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 8px 16px;
            gap: 8px;
            width: 220px;
            transition: var(--transition);
        }
        .search-box:focus-within {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 110, 242, 0.2);
        }
        .search-box i {
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
        }
        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 14px;
            width: 100%;
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ================= 文章 Hero ================= */
        .article-hero {
            background-size: cover;
            background-position: center;
            padding: 90px 0 70px;
            position: relative;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 32, 0.88), rgba(30, 27, 75, 0.72));
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            padding: 7px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 22px;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            color: #a5b4fc;
        }
        .article-hero h1 {
            color: #fff;
            font-size: clamp(28px, 4vw, 44px);
            line-height: 1.3;
            font-weight: 800;
            max-width: 860px;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .article-hero-desc {
            color: rgba(255, 255, 255, 0.82);
            font-size: 16px;
            max-width: 720px;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }
        .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: #a5b4fc;
            font-size: 13px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(139, 92, 246, 0.25);
            color: #c4b5fd;
            border: 1px solid rgba(139, 92, 246, 0.35);
        }

        /* ================= 文章主体 ================= */
        .article-body-section {
            padding: 70px 0 60px;
        }
        .article-main {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
            word-break: break-word;
        }
        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 36px 0 18px;
            color: var(--dark);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-light);
        }
        .article-content h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 28px 0 14px;
            color: var(--dark);
        }
        .article-content p {
            margin-bottom: 22px;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 26px auto;
            box-shadow: var(--shadow-sm);
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 24px 1.6em;
            padding: 0;
        }
        .article-content ul {
            list-style: disc;
        }
        .article-content ol {
            list-style: decimal;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 18px 22px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 28px 0;
            color: var(--text-weak);
            font-style: normal;
        }
        .article-content a {
            color: var(--primary);
            border-bottom: 1px solid rgba(79, 110, 242, 0.3);
        }
        .article-content a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-content th {
            background: var(--primary-light);
            font-weight: 700;
            text-align: left;
        }
        .article-content th,
        .article-content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
        }

        /* 文章底部分享区 */
        .article-share {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            margin-top: 36px;
            padding-top: 26px;
            border-top: 1px solid var(--border);
        }
        .share-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            margin-right: 4px;
        }
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--surface-2);
            border: 1px solid var(--border);
            color: var(--text-weak);
            transition: var(--transition);
        }
        .share-btn:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(79, 110, 242, 0.25);
        }

        /* 文章标签 */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-top: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            margin-right: 4px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--surface-2);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
        }

        /* ================= 侧边栏 ================= */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-sticky {
            position: sticky;
            top: 96px;
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .sidebar-widget {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 26px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .sidebar-widget h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--text);
            padding-bottom: 12px;
            border-bottom: 2px solid var(--primary-light);
            position: relative;
        }
        .sidebar-widget h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 42px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-list .tag {
            background: var(--surface-2);
            padding: 7px 16px;
        }
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 11px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 14px;
            color: var(--text);
            line-height: 1.5;
        }
        .feature-list li:last-child {
            border-bottom: none;
        }
        .feature-list i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 13px;
            flex-shrink: 0;
        }
        .sidebar-cta {
            background: linear-gradient(145deg, var(--dark), var(--dark-2));
            color: #fff;
            border: none;
            text-align: center;
            padding: 32px 24px;
            border-radius: var(--radius);
            position: relative;
            overflow: hidden;
        }
        .sidebar-cta::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 100px;
            height: 100px;
            background: rgba(139, 92, 246, 0.25);
            border-radius: 50%;
        }
        .sidebar-cta h3 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.1);
            font-size: 18px;
            margin-bottom: 12px;
        }
        .sidebar-cta h3::after {
            background: var(--accent);
        }
        .sidebar-cta p {
            color: rgba(255, 255, 255, 0.72);
            font-size: 14px;
            margin-bottom: 20px;
            line-height: 1.7;
        }
        .sidebar-cta .btn {
            width: 100%;
        }

        /* ================= 内容/栏目推荐卡片 ================= */
        .more-section {
            padding: 70px 0 50px;
            background: var(--surface-2);
            border-top: 1px solid var(--border);
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 36px;
            gap: 16px;
        }
        .section-header .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.01em;
            margin-bottom: 6px;
        }
        .section-header .section-sub {
            font-size: 15px;
            color: var(--text-weak);
        }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            white-space: nowrap;
        }
        .section-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .reco-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: block;
            height: 100%;
        }
        .reco-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(79, 110, 242, 0.3);
        }
        .reco-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .reco-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(11, 16, 32, 0.5));
        }
        .reco-card-body {
            padding: 20px 22px;
        }
        .reco-card-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .reco-card-body p {
            font-size: 13px;
            color: var(--text-weak);
            line-height: 1.6;
        }
        .reco-card-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 12px;
        }

        /* ================= FAQ ================= */
        .faq-section {
            padding: 70px 0;
            background: var(--bg);
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(79, 110, 242, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-item.open {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 26px;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--text);
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 26px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.8;
            border-top: 1px solid transparent;
        }
        .faq-item.open .faq-answer {
            padding: 0 26px 22px;
            max-height: 400px;
            border-top-color: var(--border);
        }

        /* ================= CTA ================= */
        .cta-section {
            padding: 80px 0;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 16, 32, 0.92), rgba(30, 27, 75, 0.85));
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            color: #fff;
        }
        .cta-inner h2 {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 16px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        /* ================= 404 / 内容未找到 ================= */
        .not-found-area {
            padding: 100px 0;
            min-height: 60vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .not-found-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            max-width: 520px;
            margin: 0 auto;
            box-shadow: var(--shadow-md);
        }
        .not-found-card i {
            font-size: 48px;
            color: var(--primary);
            margin-bottom: 20px;
            display: block;
        }
        .not-found-card h2 {
            font-size: 28px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }
        .not-found-card p {
            color: var(--text-weak);
            font-size: 16px;
            margin-bottom: 28px;
        }

        /* ================= 页脚 Footer ================= */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding-top: 70px;
            border-top: 3px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 50px;
        }
        .footer-brand .site-logo {
            margin-bottom: 16px;
            font-size: 20px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-top: 16px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-block;
        }
        .footer-col ul li a:hover {
            color: #fff;
            transform: translateX(4px);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 22px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }
        .footer-bottom-links a:hover {
            color: #fff;
        }

        /* ================= 响应式 ================= */
        @media screen and (max-width: 1024px) {
            .search-box {
                width: 170px;
            }
            .main-nav a {
                padding: 8px 14px;
                font-size: 13px;
            }
            .article-main {
                padding: 36px;
            }
        }

        @media screen and (max-width: 768px) {
            .header-inner {
                height: auto;
                flex-wrap: wrap;
                padding: 16px 0;
                gap: 12px;
            }
            .main-nav {
                order: 3;
                width: 100%;
                justify-content: center;
                padding-top: 4px;
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .header-right {
                gap: 8px;
            }
            .search-box {
                width: 150px;
                padding: 7px 12px;
            }
            .article-hero {
                padding: 60px 0 50px;
            }
            .article-body-section {
                padding: 50px 0 40px;
            }
            .article-main {
                padding: 28px 22px;
                border-radius: var(--radius);
            }
            .section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .cta-inner h2 {
                font-size: 26px;
            }
            .not-found-card {
                padding: 40px 28px;
            }
        }

        @media screen and (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .header-inner {
                height: auto;
                padding: 12px 0;
            }
            .site-logo {
                font-size: 19px;
            }
            .logo-mark {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .search-box {
                display: none;
            }
            .header-right .btn {
                padding: 8px 16px;
                font-size: 13px;
            }
            .main-nav a {
                padding: 7px 12px;
                font-size: 13px;
            }
            .article-hero h1 {
                font-size: 26px;
            }
            .article-hero-desc {
                font-size: 14px;
            }
            .article-meta {
                gap: 10px;
                font-size: 13px;
            }
            .article-main {
                padding: 22px 16px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 20px;
            }
            .article-content h3 {
                font-size: 17px;
            }
            .article-share {
                gap: 8px;
            }
            .share-btn {
                width: 36px;
                height: 36px;
            }
            .reco-card-img {
                height: 130px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-btns .btn {
                width: 100%;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 18px;
            }
        }

        /* ================= 焦点可见性 ================= */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(79, 110, 242, 0.4);
            outline-offset: 2px;
        }