/* roulang page: index */
:root {
            --mg-primary: #1D4ED8;
            --mg-primary-hover: #1E40AF;
            --mg-accent: #0284C7;
            --mg-accent-light: #0EA5E9;
            --mg-bg-main: #F8FAFC;
            --mg-bg-card: #FFFFFF;
            --mg-bg-alt: #F1F5F9;
            --mg-text-main: #0F172A;
            --mg-text-body: #334155;
            --mg-text-muted: #64748B;
            --mg-border: #E2E8F0;
            --mg-radius-sm: 8px;
            --mg-radius-md: 12px;
            --mg-radius-lg: 16px;
            --mg-shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
            --mg-shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08);
            --mg-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

        /* 现代化 Reset 与基础排版 */
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--mg-bg-main);
            color: var(--mg-text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        /* 顶部导航 Header */
        .mg-navbar-wrapper {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }
        .mg-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--mg-text-main);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }
        .mg-brand i {
            color: var(--mg-primary);
            font-size: 1.5rem;
        }
        .mg-nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--mg-text-body) !important;
            padding: 8px 16px !important;
            position: relative;
            transition: var(--mg-transition);
        }
        .mg-nav-link:hover, .mg-nav-link.active {
            color: var(--mg-primary) !important;
        }
        .mg-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2.5px;
            background: var(--mg-primary);
            border-radius: 4px;
        }

        /* 按钮与交互控件 */
        .btn-mg-primary {
            background-color: var(--mg-primary);
            color: #ffffff !important;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--mg-radius-sm);
            border: 1px solid var(--mg-primary);
            box-shadow: 0 2px 4px rgba(29, 78, 216, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--mg-transition);
        }
        .btn-mg-primary:hover {
            background-color: var(--mg-primary-hover);
            border-color: var(--mg-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(29, 78, 216, 0.3);
        }
        .btn-mg-outline {
            background: transparent;
            color: var(--mg-primary) !important;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--mg-radius-sm);
            border: 1px solid rgba(29, 78, 216, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--mg-transition);
        }
        .btn-mg-outline:hover {
            background-color: rgba(29, 78, 216, 0.05);
            border-color: var(--mg-primary);
            transform: translateY(-2px);
        }

        /* 通用 Section 规格 */
        .mg-section {
            padding: 80px 0;
        }
        .mg-section-alt {
            background-color: var(--mg-bg-alt);
        }
        .mg-section-white {
            background-color: #FFFFFF;
        }
        .mg-section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--mg-text-main);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .mg-section-subtitle {
            font-size: 1.05rem;
            color: var(--mg-text-muted);
            max-width: 720px;
            margin: 0 auto 48px auto;
        }

        /* 通用卡片容器 */
        .mg-card {
            background: var(--mg-bg-card);
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            box-shadow: var(--mg-shadow-sm);
            padding: 32px;
            height: 100%;
            transition: var(--mg-transition);
        }
        .mg-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--mg-shadow-hover);
            border-color: rgba(2, 132, 199, 0.3);
        }

        /* 1. Hero 前后对比首屏 */
        .hero-section {
            padding: 80px 0 90px 0;
            background: radial-gradient(circle at 80% 20%, rgba(14, 165, 233, 0.08) 0%, rgba(248, 250, 252, 1) 60%);
        }
        .hero-title {
            font-size: 2.85rem;
            font-weight: 800;
            color: var(--mg-text-main);
            line-height: 1.25;
            margin-bottom: 20px;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--mg-text-body);
            line-height: 1.8;
            margin-bottom: 32px;
        }
        .hero-compare-box {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-lg);
            box-shadow: var(--mg-shadow-sm);
            overflow: hidden;
        }
        .compare-header {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 15px;
        }
        .compare-header.before {
            background: #FEF2F2;
            color: #DC2626;
            border-bottom: 1px solid #FEE2E2;
        }
        .compare-header.after {
            background: #EFF6FF;
            color: var(--mg-primary);
            border-bottom: 1px solid #DBEAFE;
        }
        .compare-list {
            list-style: none;
            padding: 24px 20px;
            margin: 0;
        }
        .compare-list li {
            font-size: 14px;
            margin-bottom: 16px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .compare-list li:last-child {
            margin-bottom: 0;
        }

        /* 2. 优惠阶梯 */
        .tier-card {
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-lg);
            background: #FFFFFF;
            padding: 36px 28px;
            height: 100%;
            display: flex;
            flex-direction: column;
            position: relative;
            box-shadow: var(--mg-shadow-sm);
            transition: var(--mg-transition);
        }
        .tier-card.featured {
            border: 2px solid var(--mg-primary);
            box-shadow: 0 12px 30px -4px rgba(29, 78, 216, 0.15);
        }
        .tier-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--mg-primary);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
        }
        .tier-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--mg-text-main);
            margin: 16px 0;
        }
        .tier-price span {
            font-size: 14px;
            font-weight: normal;
            color: var(--mg-text-muted);
        }

        /* 3. 套餐对比表 */
        .comparison-table-wrapper {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            overflow-x: auto;
            box-shadow: var(--mg-shadow-sm);
        }
        .comparison-table {
            width: 100%;
            margin-bottom: 0;
            border-collapse: collapse;
        }
        .comparison-table th, .comparison-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--mg-border);
            font-size: 15px;
            text-align: center;
        }
        .comparison-table th:first-child, .comparison-table td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--mg-text-main);
        }
        .comparison-table thead th {
            background-color: var(--mg-bg-alt);
            color: var(--mg-text-main);
            font-weight: 700;
        }

        /* 4. 限时入口 */
        .limit-banner {
            background: linear-gradient(135deg, #1E3A8A 0%, #1D4ED8 50%, #0284C7 100%);
            border-radius: var(--mg-radius-lg);
            padding: 48px;
            color: #FFFFFF;
            box-shadow: 0 15px 30px -5px rgba(29, 78, 216, 0.25);
        }

        /* 5. 爆款清单 */
        .hot-list-item {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            padding: 24px;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--mg-transition);
        }
        .hot-list-item:hover {
            border-color: var(--mg-accent);
            transform: translateX(4px);
            box-shadow: var(--mg-shadow-sm);
        }
        .hot-index {
            width: 44px;
            height: 44px;
            background: rgba(2, 132, 199, 0.1);
            color: var(--mg-primary);
            font-size: 1.25rem;
            font-weight: 800;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-right: 20px;
        }

        /* 6. 评价墙 */
        .review-card {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            padding: 28px;
            box-shadow: var(--mg-shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-text {
            font-size: 15px;
            color: var(--mg-text-body);
            margin-bottom: 20px;
            font-style: italic;
            line-height: 1.8;
        }
        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .reviewer-avatar {
            width: 44px;
            height: 44px;
            background: #E2E8F0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--mg-primary);
        }

        /* 7. 保障图标条 */
        .guarantee-box {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-lg);
            padding: 36px 20px;
            text-align: center;
            box-shadow: var(--mg-shadow-sm);
        }
        .guarantee-icon {
            width: 60px;
            height: 60px;
            background: rgba(29, 78, 216, 0.08);
            color: var(--mg-primary);
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            margin-bottom: 16px;
        }

        /* 8. CMS 资讯列表 */
        .cms-post-card {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            padding: 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--mg-transition);
        }
        .cms-post-card:hover {
            border-color: var(--mg-accent-light);
            transform: translateY(-4px);
            box-shadow: var(--mg-shadow-hover);
        }
        .cms-post-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--mg-text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .cms-post-excerpt {
            font-size: 14px;
            color: var(--mg-text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        /* 9. 分类入口与应用矩阵 */
        .cat-entry-card {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            padding: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: var(--mg-shadow-sm);
            transition: var(--mg-transition);
        }
        .cat-entry-card:hover {
            border-color: var(--mg-primary);
            background: #F8FAFC;
        }

        /* 10. 加购引导与收口 CTA */
        .cta-bottom-banner {
            background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
            border-radius: var(--mg-radius-lg);
            padding: 56px 40px;
            color: #FFFFFF;
            box-shadow: var(--mg-shadow-hover);
        }

        /* 页脚 Footer */
        .mg-footer {
            background-color: #0F172A;
            color: #94A3B8;
            padding: 72px 0 28px 0;
            font-size: 14px;
        }
        .mg-footer h5 {
            color: #F8FAFC;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .mg-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mg-footer-links li {
            margin-bottom: 12px;
        }
        .mg-footer-links a {
            color: #94A3B8;
        }
        .mg-footer-links a:hover {
            color: #38BDF8;
        }
        .mg-footer-bottom {
            margin-top: 56px;
            padding-top: 24px;
            border-top: 1px solid #334155;
            font-size: 13px;
        }

        /* 响应式断点微调 */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.25rem;
            }
            .mg-section {
                padding: 56px 0;
            }
            .limit-banner {
                padding: 32px 24px;
            }
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.85rem;
            }
            .hot-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .cta-bottom-banner {
                padding: 36px 20px;
            }
        }

/* roulang page: article */
:root {
            --mg-primary: #1D4ED8;
            --mg-primary-hover: #1E40AF;
            --mg-accent: #0284C7;
            --mg-accent-light: #0EA5E9;
            --mg-bg-main: #F8FAFC;
            --mg-bg-card: #FFFFFF;
            --mg-bg-alt: #F1F5F9;
            --mg-text-main: #0F172A;
            --mg-text-body: #334155;
            --mg-text-muted: #64748B;
            --mg-border: #E2E8F0;
            --mg-radius-sm: 8px;
            --mg-radius-md: 12px;
            --mg-radius-lg: 16px;
            --mg-shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
            --mg-shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08);
            --mg-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--mg-bg-main);
            color: var(--mg-text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: var(--mg-primary);
            text-decoration: none;
            transition: var(--mg-transition);
        }
        a:hover {
            color: var(--mg-primary-hover);
        }
        .mg-navbar-wrapper {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }
        .mg-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--mg-text-main);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }
        .mg-brand i {
            color: var(--mg-primary);
            font-size: 1.5rem;
        }
        .mg-nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--mg-text-body) !important;
            padding: 8px 16px !important;
            position: relative;
            transition: var(--mg-transition);
        }
        .mg-nav-link:hover, .mg-nav-link.active {
            color: var(--mg-primary) !important;
        }
        .mg-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2.5px;
            background: var(--mg-primary);
            border-radius: 4px;
        }
        .btn-mg-primary {
            background-color: var(--mg-primary);
            color: #ffffff !important;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--mg-radius-sm);
            border: 1px solid var(--mg-primary);
            box-shadow: 0 2px 4px rgba(29, 78, 216, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--mg-transition);
        }
        .btn-mg-primary:hover {
            background-color: var(--mg-primary-hover);
            border-color: var(--mg-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(29, 78, 216, 0.3);
        }
        .btn-mg-outline {
            background: transparent;
            color: var(--mg-primary) !important;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--mg-radius-sm);
            border: 1px solid rgba(29, 78, 216, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--mg-transition);
        }
        .btn-mg-outline:hover {
            background-color: rgba(29, 78, 216, 0.05);
            border-color: var(--mg-primary);
            transform: translateY(-2px);
        }
        .mg-section {
            padding: 60px 0 80px 0;
        }
        .mg-section-alt {
            background-color: var(--mg-bg-alt);
        }
        .mg-card {
            background: var(--mg-bg-card);
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            box-shadow: var(--mg-shadow-sm);
            padding: 32px;
            transition: var(--mg-transition);
        }
        .mg-card:hover {
            border-color: rgba(2, 132, 199, 0.3);
        }
        .article-breadcrumbs {
            font-size: 14px;
            color: var(--mg-text-muted);
            margin-bottom: 20px;
        }
        .article-breadcrumbs a {
            color: var(--mg-text-muted);
        }
        .article-breadcrumbs a:hover {
            color: var(--mg-primary);
        }
        .article-header {
            border-bottom: 1px solid var(--mg-border);
            padding-bottom: 28px;
            margin-bottom: 36px;
        }
        .article-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--mg-text-main);
            line-height: 1.35;
            letter-spacing: -0.5px;
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 14px;
            color: var(--mg-text-muted);
        }
        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta-item i {
            color: var(--mg-accent);
        }
        .article-content-wrapper {
            max-width: 840px;
            margin: 0 auto;
        }
        .article-body {
            font-size: 16.5px;
            line-height: 1.85;
            color: var(--mg-text-body);
        }
        .article-body p {
            margin-bottom: 22px;
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--mg-text-main);
            margin: 40px 0 20px 0;
            padding-left: 14px;
            border-left: 4px solid var(--mg-primary);
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--mg-text-main);
            margin: 30px 0 16px 0;
            padding-left: 10px;
            border-left: 3px solid var(--mg-accent);
            line-height: 1.4;
        }
        .article-body blockquote {
            background: #F0F9FF;
            border-left: 4px solid var(--mg-accent);
            padding: 16px 20px;
            margin: 24px 0;
            border-radius: 0 var(--mg-radius-sm) var(--mg-radius-sm) 0;
            color: #0369A1;
            font-size: 15.5px;
        }
        .article-body ul, .article-body ol {
            padding-left: 24px;
            margin-bottom: 24px;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--mg-radius-sm);
            margin: 20px 0;
            border: 1px solid var(--mg-border);
        }
        .article-copyright-box {
            background: var(--mg-bg-alt);
            border: 1px dashed var(--mg-border);
            border-radius: var(--mg-radius-md);
            padding: 20px 24px;
            margin-top: 40px;
            font-size: 14px;
            color: var(--mg-text-muted);
        }
        .article-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            margin-top: 28px;
        }
        .article-tag-badge {
            background: #EFF6FF;
            color: var(--mg-primary);
            border: 1px solid #DBEAFE;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 13.5px;
            font-weight: 500;
        }
        .article-tag-badge:hover {
            background: var(--mg-primary);
            color: #FFFFFF;
        }
        .article-nav-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 40px;
        }
        .article-nav-card {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            padding: 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: var(--mg-transition);
        }
        .article-nav-card:hover {
            border-color: var(--mg-primary);
            transform: translateY(-2px);
            box-shadow: var(--mg-shadow-sm);
        }
        .article-nav-label {
            font-size: 12.5px;
            font-weight: 600;
            color: var(--mg-text-muted);
            text-transform: uppercase;
        }
        .article-nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--mg-text-main);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .article-nav-link:hover {
            color: var(--mg-primary);
        }
        .sidebar-panel {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: var(--mg-shadow-sm);
        }
        .sidebar-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--mg-text-main);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--mg-bg-alt);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-title i {
            color: var(--mg-primary);
        }
        .sidebar-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-list-item {
            padding: 12px 0;
            border-bottom: 1px solid #F1F5F9;
        }
        .sidebar-list-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-list-link {
            font-size: 14.5px;
            color: var(--mg-text-body);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.5;
        }
        .sidebar-list-link:hover {
            color: var(--mg-primary);
        }
        .sidebar-cta-box {
            background: linear-gradient(145deg, #1E40AF 0%, #1D4ED8 100%);
            color: #FFFFFF;
            border-radius: var(--mg-radius-md);
            padding: 28px 24px;
            box-shadow: 0 10px 25px -5px rgba(29, 78, 216, 0.25);
        }
        .article-cta-strip {
            background: linear-gradient(90deg, #1E3A8A 0%, #1D4ED8 60%, #0284C7 100%);
            border-radius: var(--mg-radius-lg);
            padding: 44px;
            color: #FFFFFF;
            margin-top: 50px;
            box-shadow: 0 16px 32px -8px rgba(29, 78, 216, 0.25);
        }
        .mg-footer {
            background: #0F172A;
            color: #94A3B8;
            padding: 70px 0 30px 0;
            border-top: 1px solid #1E293B;
        }
        .mg-footer h5 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .mg-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .mg-footer-links li {
            margin-bottom: 12px;
        }
        .mg-footer-links a {
            color: #94A3B8;
            font-size: 14px;
        }
        .mg-footer-links a:hover {
            color: #FFFFFF;
        }
        .mg-footer-bottom {
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid #1E293B;
            font-size: 13px;
        }
        @media (max-width: 991.98px) {
            .article-nav-grid {
                grid-template-columns: 1fr;
            }
            .article-title {
                font-size: 1.8rem;
            }
            .article-cta-strip {
                padding: 32px 24px;
            }
        }
        @media (max-width: 575.98px) {
            .mg-section {
                padding: 40px 0;
            }
            .article-title {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 10px;
                font-size: 13px;
            }
        }

/* roulang page: category1 */
:root {
            --mg-primary: #1D4ED8;
            --mg-primary-hover: #1E40AF;
            --mg-accent: #0284C7;
            --mg-accent-light: #0EA5E9;
            --mg-bg-main: #F8FAFC;
            --mg-bg-card: #FFFFFF;
            --mg-bg-alt: #F1F5F9;
            --mg-text-main: #0F172A;
            --mg-text-body: #334155;
            --mg-text-muted: #64748B;
            --mg-border: #E2E8F0;
            --mg-radius-sm: 8px;
            --mg-radius-md: 12px;
            --mg-radius-lg: 16px;
            --mg-shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
            --mg-shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.08);
            --mg-transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--mg-bg-main);
            color: var(--mg-text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--mg-primary-hover);
        }

        /* 顶部导航 Header */
        .mg-navbar-wrapper {
            position: sticky;
            top: 0;
            z-index: 1020;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

        .mg-brand {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--mg-text-main);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }

        .mg-brand i {
            color: var(--mg-primary);
            font-size: 1.5rem;
        }

        .mg-nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--mg-text-body) !important;
            padding: 8px 16px !important;
            position: relative;
            transition: var(--mg-transition);
        }

        .mg-nav-link:hover, .mg-nav-link.active {
            color: var(--mg-primary) !important;
        }

        .mg-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 2.5px;
            background: var(--mg-primary);
            border-radius: 4px;
        }

        /* 按钮与交互控件 */
        .btn-mg-primary {
            background-color: var(--mg-primary);
            color: #ffffff !important;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--mg-radius-sm);
            border: 1px solid var(--mg-primary);
            box-shadow: 0 2px 4px rgba(29, 78, 216, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--mg-transition);
        }

        .btn-mg-primary:hover {
            background-color: var(--mg-primary-hover);
            border-color: var(--mg-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(29, 78, 216, 0.3);
        }

        .btn-mg-outline {
            background: transparent;
            color: var(--mg-primary) !important;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--mg-radius-sm);
            border: 1px solid rgba(29, 78, 216, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--mg-transition);
        }

        .btn-mg-outline:hover {
            background-color: rgba(29, 78, 216, 0.05);
            border-color: var(--mg-primary);
            transform: translateY(-2px);
        }

        /* 通用 Section 规格 */
        .mg-section {
            padding: 80px 0;
        }

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

        .mg-section-white {
            background-color: #FFFFFF;
        }

        .mg-section-title {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--mg-text-main);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .mg-section-subtitle {
            font-size: 1.02rem;
            color: var(--mg-text-muted);
            max-width: 760px;
            margin: 0 auto 40px auto;
        }

        /* 通用卡片容器 */
        .mg-card {
            background: var(--mg-bg-card);
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            box-shadow: var(--mg-shadow-sm);
            padding: 28px;
            height: 100%;
            transition: var(--mg-transition);
        }

        .mg-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--mg-shadow-hover);
            border-color: rgba(2, 132, 199, 0.3);
        }

        /* 板块 1：紧凑型顶部引导区 */
        .cat-header-section {
            padding: 44px 0 36px 0;
            background: linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
            border-bottom: 1px solid var(--mg-border);
        }

        .cat-breadcrumb {
            font-size: 13.5px;
            color: var(--mg-text-muted);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cat-breadcrumb a {
            color: var(--mg-text-muted);
        }

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

        .cat-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--mg-text-main);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .cat-lead {
            font-size: 1.05rem;
            color: var(--mg-text-body);
            max-width: 820px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cat-meta-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            padding-top: 18px;
            border-top: 1px solid var(--mg-border);
        }

        .cat-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--mg-text-muted);
        }

        .cat-meta-item strong {
            color: var(--mg-primary);
            font-size: 17px;
        }

        /* 板块 2：维度筛选与二级标签条 */
        .filter-section {
            padding: 20px 0;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--mg-border);
        }

        .filter-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .filter-label {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--mg-text-main);
            margin-right: 6px;
        }

        .filter-chip {
            padding: 6px 16px;
            font-size: 13.5px;
            border-radius: 30px;
            background: var(--mg-bg-main);
            color: var(--mg-text-body);
            border: 1px solid var(--mg-border);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--mg-transition);
        }

        .filter-chip:hover {
            border-color: var(--mg-primary);
            color: var(--mg-primary);
            background: #FFFFFF;
        }

        .filter-chip.active {
            background-color: var(--mg-primary);
            color: #FFFFFF;
            border-color: var(--mg-primary);
            font-weight: 600;
        }

        /* 板块 3：核心内容列表 */
        .cms-post-card {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md);
            overflow: hidden;
            box-shadow: var(--mg-shadow-sm);
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: var(--mg-transition);
        }

        .cms-post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--mg-shadow-hover);
            border-color: rgba(2, 132, 199, 0.35);
        }

        .cms-post-thumb {
            width: 100%;
            aspect-ratio: 16 / 9;
            background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .cms-post-thumb i {
            font-size: 2.2rem;
            color: rgba(255, 255, 255, 0.4);
            transition: var(--mg-transition);
        }

        .cms-post-card:hover .cms-post-thumb i {
            color: var(--mg-accent-light);
            transform: scale(1.1);
        }

        .cms-post-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 23, 42, 0.75);
            color: #FFFFFF;
            backdrop-filter: blur(4px);
            font-size: 11.5px;
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: 500;
        }

        .cms-post-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .cms-post-title {
            font-size: 16.5px;
            font-weight: 700;
            color: var(--mg-text-main);
            line-height: 1.45;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .cms-post-title a {
            color: inherit;
        }

        .cms-post-title a:hover {
            color: var(--mg-primary);
        }

        .cms-post-excerpt {
            font-size: 13.5px;
            color: var(--mg-text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
            flex-grow: 1;
        }

        .cms-post-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12.5px;
            color: var(--mg-text-muted);
            border-top: 1px solid #F1F5F9;
            padding-top: 12px;
        }

        .empty-posts-box {
            padding: 60px 20px;
            text-align: center;
            background: #FFFFFF;
            border: 1px dashed var(--mg-border);
            border-radius: var(--mg-radius-md);
            color: var(--mg-text-muted);
        }

        /* 板块 4：精选专题置顶推荐 */
        .featured-topic-box {
            background: #FFFFFF;
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-lg);
            box-shadow: var(--mg-shadow-sm);
            overflow: hidden;
            transition: var(--mg-transition);
        }

        .featured-topic-box:hover {
            box-shadow: var(--mg-shadow-hover);
        }

        .featured-img-wrap {
            height: 100%;
            min-height: 280px;
            background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            padding: 30px;
        }

        .featured-img-wrap i {
            font-size: 4rem;
            color: rgba(255, 255, 255, 0.25);
        }

        .featured-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--mg-primary);
            color: #FFFFFF;
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
        }

        .featured-content {
            padding: 36px 40px;
        }

        .featured-tag {
            color: var(--mg-primary);
            font-weight: 600;
            font-size: 13px;
            margin-bottom: 8px;
            display: inline-block;
        }

        .featured-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--mg-text-main);
            margin-bottom: 14px;
        }

        .featured-desc {
            font-size: 14.5px;
            color: var(--mg-text-body);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        /* 板块 5：场景与技术实施指引 */
        .spec-icon-box {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(29, 78, 216, 0.08);
            color: var(--mg-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 18px;
        }

        .spec-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--mg-text-main);
            margin-bottom: 10px;
        }

        .spec-text {
            font-size: 14px;
            color: var(--mg-text-body);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .spec-checklist {
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 13px;
            color: var(--mg-text-muted);
        }

        .spec-checklist li {
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .spec-checklist li i {
            color: #10B981;
            font-size: 12px;
        }

        /* 板块 6：分类 FAQ */
        .mg-accordion .accordion-item {
            border: 1px solid var(--mg-border);
            border-radius: var(--mg-radius-md) !important;
            margin-bottom: 14px;
            background: #FFFFFF;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
        }

        .mg-accordion .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--mg-text-main);
            background-color: #FFFFFF;
            padding: 18px 24px;
            box-shadow: none !important;
        }

        .mg-accordion .accordion-button:not(.collapsed) {
            color: var(--mg-primary);
            background-color: #F8FAFC;
        }

        .mg-accordion .accordion-body {
            font-size: 14.5px;
            line-height: 1.8;
            color: var(--mg-text-body);
            padding: 18px 24px 22px 24px;
            background-color: #FFFFFF;
            border-top: 1px solid var(--mg-border);
        }

        /* 板块 7：订阅与服务指引卡 */
        .cta-strip-box {
            background: linear-gradient(135deg, #0F172A 0%, #1E3A8A 100%);
            border-radius: var(--mg-radius-lg);
            padding: 48px;
            color: #FFFFFF;
            box-shadow: var(--mg-shadow-sm);
        }

        .cta-strip-title {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #FFFFFF;
        }

        .cta-strip-desc {
            font-size: 15px;
            color: #CBD5E1;
            line-height: 1.8;
            max-width: 650px;
        }

        /* Footer */
        .mg-footer {
            background-color: #0F172A;
            color: #94A3B8;
            padding: 64px 0 24px 0;
            font-size: 14px;
            border-top: 1px solid #1E293B;
        }

        .mg-footer h5 {
            color: #FFFFFF;
            font-size: 15.5px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .mg-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mg-footer-links li {
            margin-bottom: 10px;
        }

        .mg-footer-links a {
            color: #94A3B8;
            transition: var(--mg-transition);
        }

        .mg-footer-links a:hover {
            color: #FFFFFF;
        }

        .mg-footer-bottom {
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid #1E293B;
            font-size: 13px;
        }

        @media (max-width: 991px) {
            .mg-section {
                padding: 56px 0;
            }
            .cat-title {
                font-size: 1.8rem;
            }
            .cta-strip-box {
                padding: 32px 24px;
            }
            .featured-content {
                padding: 24px;
            }
        }

        @media (max-width: 575px) {
            .cat-title {
                font-size: 1.55rem;
            }
            .cat-meta-strip {
                gap: 12px;
            }
        }