/* roulang page: index */
:root {
            --bg-main: #070B14;
            --bg-surface: #0B1120;
            --bg-card: rgba(15, 23, 42, 0.72);
            --bg-glass: rgba(30, 41, 59, 0.45);
            --accent-primary: #00F2FE;
            --accent-secondary: #38BDF8;
            --accent-indigo: #6366F1;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(56, 189, 248, 0.35);
            --text-primary: #F8FAFC;
            --text-regular: #94A3B8;
            --text-muted: #64748B;
            --color-success: #10B981;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.3);
            --shadow-card: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08), 0 20px 40px -15px rgba(0, 0, 0, 0.6);
        }

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

        body {
            background-color: var(--bg-main);
            color: var(--text-regular);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

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

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

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 11, 20, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            height: 72px;
            display: flex;
            align-items: center;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-indigo));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 12px rgba(0, 242, 254, 0.5);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }

        .nav-link {
            font-size: 0.95rem;
            color: var(--text-regular);
            font-weight: 500;
            padding: 6px 0;
            position: relative;
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }

        /* 双语切换胶囊 */
        .lang-switch {
            display: flex;
            align-items: center;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: 9999px;
            padding: 3px;
        }

        .lang-item {
            padding: 3px 10px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 9999px;
            cursor: pointer;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }

        .lang-item.active {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
        }

        /* 统一发光按钮 */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #070B14;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
        }

        .btn-glow:hover {
            box-shadow: 0 0 32px rgba(0, 242, 254, 0.65);
            transform: translateY(-2px);
            color: #000;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            cursor: pointer;
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
        }

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

        /* 通用玻璃拟态卡片 */
        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .glass-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
        }

        /* 区域排版 */
        section {
            padding: 96px 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .section-header {
            margin-bottom: 56px;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-primary);
            background: rgba(0, 242, 254, 0.08);
            border: 1px solid rgba(0, 242, 254, 0.2);
            padding: 4px 12px;
            border-radius: 9999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            max-width: 680px;
            margin: 0 auto;
            color: var(--text-regular);
            font-size: 1.05rem;
            line-height: 1.7;
        }

        /* 板块一：Hero 首屏 */
        .hero-section {
            padding: 100px 0 80px;
            position: relative;
            background: url('/assets/images/e94a7804b6fe2f06.jpg') center/cover no-repeat;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(7, 11, 20, 0.88) 0%, rgba(7, 11, 20, 0.98) 100%);
            z-index: 1;
        }

        .hero-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-h1 {
            font-size: 2.85rem;
            line-height: 1.22;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-h1 span {
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-intro {
            font-size: 1.1rem;
            line-height: 1.75;
            color: #CBD5E1;
            margin-bottom: 32px;
        }

        .hero-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }

        .sys-compatibility {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .sys-compatibility span {
            color: var(--text-regular);
        }

        .hero-mockup-card {
            border: 1px solid rgba(56, 189, 248, 0.25);
            background: rgba(11, 17, 32, 0.85);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.8);
        }

        .mockup-header {
            background: rgba(255, 255, 255, 0.04);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid var(--border-glass);
        }

        .mockup-dots {
            display: flex;
            gap: 6px;
        }

        .mockup-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
        }

        .mockup-content {
            padding: 20px;
        }

        .stream-status-row {
            display: flex;
            justify-content: space-between;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .stream-tag {
            background: rgba(16, 185, 129, 0.15);
            color: var(--color-success);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* 板块二：数据信任栏 */
        .trust-kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .kpi-card {
            text-align: center;
            padding: 24px 16px;
        }

        .kpi-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            line-height: 1.1;
            margin-bottom: 6px;
            background: linear-gradient(180deg, #FFFFFF 0%, #94A3B8 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .kpi-label {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* 板块三：核心功能 Bento Grid */
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .bento-card-large {
            grid-column: span 2;
        }

        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(56, 189, 248, 0.12);
            border: 1px solid rgba(56, 189, 248, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-primary);
            font-size: 1.2rem;
            margin-bottom: 18px;
        }

        .card-h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .card-p {
            font-size: 0.92rem;
            color: var(--text-regular);
            line-height: 1.65;
        }

        /* 板块四：使用场景 */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .scenario-card {
            border-top: 2px solid var(--accent-indigo);
        }

        .scenario-badge {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--accent-indigo);
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        /* 板块五：工作台全景展示画廊 */
        .workspace-gallery {
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            background: var(--bg-surface);
            padding: 24px;
        }

        .gallery-preview-box {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 24px;
            position: relative;
        }

        .gallery-tabs {
            display: flex;
            gap: 16px;
            border-top: 1px solid var(--border-glass);
            padding-top: 18px;
        }

        .gallery-tab {
            flex: 1;
            padding: 12px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            text-align: left;
            cursor: pointer;
        }

        .gallery-tab.active {
            border-color: var(--accent-secondary);
            background: rgba(56, 189, 248, 0.08);
        }

        /* 板块六：部署架构与兼容性 */
        .deploy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .spec-list {
            margin-top: 18px;
            list-style: none;
        }

        .spec-item {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
        }

        .spec-item span:first-child {
            color: var(--text-muted);
        }

        .spec-item span:last-child {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* 板块七：大型案例剖析 */
        .case-card-split {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 36px;
            align-items: center;
        }

        .case-stats-panel {
            background: rgba(11, 17, 32, 0.6);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-glass);
            padding: 24px;
        }

        .progress-bar-wrap {
            margin-bottom: 16px;
        }

        .bar-label {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            margin-bottom: 6px;
        }

        .bar-bg {
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 9999px;
            overflow: hidden;
        }

        .bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--accent-primary), var(--accent-indigo));
            border-radius: 9999px;
        }

        /* 板块八：版本授权套餐 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: center;
        }

        .pricing-card.featured {
            border-color: var(--accent-secondary);
            background: rgba(15, 23, 42, 0.88);
            transform: scale(1.04);
            box-shadow: 0 0 35px rgba(56, 189, 248, 0.25);
        }

        .pricing-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: var(--accent-secondary);
            color: #070B14;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
        }

        .price-val {
            font-size: 2.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin: 14px 0;
        }

        .price-features {
            list-style: none;
            margin: 24px 0;
            font-size: 0.9rem;
        }

        .price-features li {
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        /* 板块九：四步安装向导 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-num-badge {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-surface);
            border: 2px solid var(--accent-primary);
            color: var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 16px;
        }

        /* 板块十：FAQ 手风琴 */
        .faq-accordion-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item-box {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
        }

        .faq-q {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .faq-a {
            font-size: 0.92rem;
            color: var(--text-regular);
            line-height: 1.65;
        }

        /* 板块十一：评价墙 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .reviewer-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 18px;
        }

        .reviewer-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--accent-primary);
        }

        /* 板块十二：媒体评测看板 */
        .media-eval-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .cert-row {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .cert-stamp {
            border: 1px dashed var(--accent-secondary);
            padding: 8px 14px;
            border-radius: 4px;
            font-size: 0.8rem;
            color: var(--accent-secondary);
            font-weight: 600;
            white-space: nowrap;
        }

        /* 板块十三：资讯动态 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-img {
            border-radius: var(--radius-sm);
            overflow: hidden;
            height: 170px;
            margin-bottom: 14px;
        }

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

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

        /* 板块十四：转化收官 */
        .final-cta-box {
            background: radial-gradient(circle at 50% 50%, rgba(14, 165, 233, 0.15) 0%, rgba(7, 11, 20, 0) 70%), var(--bg-surface);
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: var(--radius-lg);
            padding: 64px 32px;
            text-align: center;
        }

        .final-cta-box h2 {
            font-size: 2.2rem;
            color: var(--text-primary);
            margin-bottom: 16px;
        }

        .sha-box {
            display: inline-block;
            background: rgba(0, 0, 0, 0.35);
            border: 1px solid var(--border-glass);
            padding: 6px 14px;
            border-radius: 4px;
            font-family: monospace;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-top: 18px;
        }

        /* 全功能页脚 */
        .site-footer {
            background: #04070D;
            border-top: 1px solid var(--border-glass);
            padding: 64px 0 32px;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand h4 {
            font-size: 1.1rem;
            color: var(--text-primary);
            margin-bottom: 12px;
        }

        .footer-col h5 {
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .footer-links {
            list-style: none;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-container, .case-card-split {
                grid-template-columns: 1fr;
            }
            .trust-kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .bento-grid, .scenario-grid, .pricing-grid, .reviews-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .bento-card-large {
                grid-column: span 1;
            }
            .steps-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 64px;
            }
            .nav-menu {
                display: none;
            }
            .hero-h1 {
                font-size: 2.1rem;
            }
            section {
                padding: 64px 0;
            }
            .deploy-grid, .media-eval-grid {
                grid-template-columns: 1fr;
            }
            .steps-container {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --bg-main: #070B14;
            --bg-surface: #0B1120;
            --bg-card: rgba(15, 23, 42, 0.72);
            --bg-glass: rgba(30, 41, 59, 0.45);
            --accent-primary: #00F2FE;
            --accent-secondary: #38BDF8;
            --accent-indigo: #6366F1;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(56, 189, 248, 0.35);
            --text-primary: #F8FAFC;
            --text-regular: #94A3B8;
            --text-muted: #64748B;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.3);
            --shadow-card: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08), 0 20px 40px -15px rgba(0, 0, 0, 0.6);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-regular);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 11, 20, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-indigo));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 12px rgba(0, 242, 254, 0.5);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-link {
            font-size: 0.95rem;
            color: var(--text-regular);
            font-weight: 500;
            padding: 6px 0;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .lang-switch {
            display: flex;
            align-items: center;
            background: rgba(15, 23, 42, 0.8);
            border: 1px solid var(--border-glass);
            padding: 3px;
            border-radius: 9999px;
        }
        .lang-item {
            padding: 3px 10px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 9999px;
            cursor: pointer;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }
        .lang-item.active {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #070B14;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
        }
        .btn-glow:hover {
            box-shadow: 0 0 32px rgba(0, 242, 254, 0.65);
            transform: translateY(-2px);
            color: #000;
        }
        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
        }
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--accent-primary);
            background: rgba(0, 242, 254, 0.1);
            border: 1px solid rgba(0, 242, 254, 0.2);
            padding: 4px 12px;
            border-radius: 9999px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            color: var(--text-regular);
            font-size: 1.05rem;
            max-width: 760px;
        }
        .cat-header-box {
            padding: 56px 0 40px;
            border-bottom: 1px solid var(--border-glass);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 18px;
        }
        .breadcrumb a:hover {
            color: var(--accent-secondary);
        }
        .cat-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }
        .cat-badge {
            font-size: 0.82rem;
            padding: 5px 14px;
            border-radius: 6px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
        }
        .filter-toolbar {
            background: rgba(15, 23, 42, 0.8);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 600;
        }
        .filter-pill {
            padding: 5px 14px;
            font-size: 0.84rem;
            border-radius: 9999px;
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-regular);
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .filter-pill:hover, .filter-pill.active {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--accent-secondary);
            color: var(--accent-primary);
        }
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .app-card-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 16px;
        }
        .ver-tag {
            font-size: 0.78rem;
            padding: 3px 8px;
            border-radius: 4px;
            background: rgba(16, 185, 129, 0.15);
            color: var(--color-success);
            border: 1px solid rgba(16, 185, 129, 0.3);
            font-weight: 600;
        }
        .app-card-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .app-card-meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .card-specs-list {
            list-style: none;
            margin: 16px 0 24px;
            font-size: 0.88rem;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 14px;
        }
        .card-specs-list li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .card-specs-list span {
            color: var(--text-primary);
        }
        .pagination-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 40px;
            border-top: 1px solid var(--border-glass);
            margin-top: 20px;
        }
        .page-num-group {
            display: flex;
            gap: 8px;
        }
        .page-btn {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-glass);
            background: var(--bg-card);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            color: var(--text-regular);
            cursor: pointer;
        }
        .page-btn.active {
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
            color: #070B14;
            font-weight: 700;
            border-color: transparent;
        }
        .load-more-btn {
            padding: 9px 24px;
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            color: var(--text-primary);
            font-size: 0.9rem;
            border-radius: var(--radius-sm);
            cursor: pointer;
            font-weight: 600;
        }
        .load-more-btn:hover {
            border-color: var(--accent-secondary);
            color: var(--accent-primary);
        }
        .arch-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .arch-img-box {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: var(--shadow-card);
        }
        .arch-flow-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .flow-step-item {
            display: flex;
            gap: 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            padding: 18px;
        }
        .flow-idx {
            width: 32px;
            height: 32px;
            background: rgba(0, 242, 254, 0.15);
            color: var(--accent-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
            flex-shrink: 0;
        }
        .trouble-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .trouble-table th, .trouble-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .trouble-table th {
            background: rgba(255, 255, 255, 0.03);
            color: var(--text-primary);
            font-weight: 600;
        }
        .err-code {
            font-family: monospace;
            color: #F87171;
            background: rgba(239, 68, 68, 0.1);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.85rem;
        }
        .hot-terms-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .term-card {
            border: 1px solid var(--border-glass);
            background: var(--bg-card);
            padding: 20px;
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }
        .term-card:hover {
            border-color: var(--accent-primary);
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
            transform: translateY(-2px);
        }
        .term-title {
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 6px;
        }
        .term-desc {
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .support-card {
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.9) 0%, rgba(11, 17, 32, 0.95) 100%);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .support-form {
            display: flex;
            gap: 12px;
            width: 100%;
            max-width: 480px;
        }
        .input-glass {
            flex: 1;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            color: var(--text-primary);
            outline: none;
            font-size: 0.9rem;
        }
        .input-glass:focus {
            border-color: var(--accent-secondary);
        }
        .site-footer {
            background: #03060C;
            border-top: 1px solid var(--border-glass);
            padding: 72px 0 32px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand h4 {
            color: var(--text-primary);
            font-size: 1.15rem;
            margin-bottom: 16px;
        }
        .footer-col h5 {
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
        }
        .footer-links a:hover {
            color: var(--accent-primary);
        }
        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .hot-terms-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .arch-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-menu { display: none; }
            .card-grid { grid-template-columns: 1fr; }
            .hot-terms-grid { grid-template-columns: 1fr; }
            .support-card { flex-direction: column; align-items: flex-start; }
            .support-form { width: 100%; flex-direction: column; }
            .footer-grid { grid-template-columns: 1fr; }
            .filter-toolbar { flex-direction: column; align-items: flex-start; }
        }

/* roulang page: category1 */
:root {
      --bg-main: #070B14;
      --bg-surface: #0B1120;
      --bg-card: rgba(15, 23, 42, 0.72);
      --bg-glass: rgba(30, 41, 59, 0.45);
      --accent-primary: #00F2FE;
      --accent-secondary: #38BDF8;
      --accent-indigo: #6366F1;
      --border-glass: rgba(255, 255, 255, 0.08);
      --border-glow: rgba(56, 189, 248, 0.35);
      --text-primary: #F8FAFC;
      --text-regular: #94A3B8;
      --text-muted: #64748B;
      --color-success: #10B981;
      --color-warning: #F59E0B;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.3);
      --shadow-card: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08), 0 20px 40px -15px rgba(0, 0, 0, 0.6);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-main);
      color: var(--text-regular);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(7, 11, 20, 0.82);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--border-glass);
      height: 72px;
      display: flex;
      align-items: center;
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-primary);
      letter-spacing: -0.5px;
    }
    .logo-icon {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--accent-primary), var(--accent-indigo));
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 12px rgba(0, 242, 254, 0.5);
    }
    .nav-menu {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
    }
    .nav-link {
      font-size: 0.95rem;
      color: var(--text-regular);
      font-weight: 500;
      padding: 6px 0;
    }
    .nav-link:hover, .nav-link.active {
      color: var(--accent-primary);
    }
    .nav-actions {
      display: flex;
      align-items: center;
      gap: 18px;
    }
    .lang-switch {
      display: flex;
      background: rgba(255, 255, 255, 0.05);
      padding: 3px;
      border-radius: 9999px;
      border: 1px solid var(--border-glass);
    }
    .lang-item {
      padding: 3px 10px;
      font-size: 0.78rem;
      font-weight: 600;
      border-radius: 9999px;
      cursor: pointer;
      color: var(--text-muted);
      transition: all 0.2s ease;
    }
    .lang-item.active {
      background: rgba(255, 255, 255, 0.12);
      color: var(--text-primary);
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 10px 22px;
      font-size: 0.95rem;
      font-weight: 600;
      color: #070B14;
      background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
      border: none;
      border-radius: var(--radius-sm);
      cursor: pointer;
      box-shadow: var(--shadow-glow);
      transition: all 0.3s ease;
    }
    .btn-glow:hover {
      box-shadow: 0 0 32px rgba(0, 242, 254, 0.65);
      transform: translateY(-2px);
      color: #000;
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 0.9rem;
      font-weight: 600;
      color: var(--text-primary);
      background: var(--bg-glass);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-sm);
      cursor: pointer;
      backdrop-filter: blur(8px);
      transition: all 0.3s ease;
    }
    .btn-secondary:hover {
      border-color: var(--border-glow);
      background: rgba(255, 255, 255, 0.08);
      transform: translateY(-2px);
    }
    .glass-card {
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      padding: 28px;
      transition: all 0.3s ease;
      position: relative;
    }
    .glass-card:hover {
      border-color: var(--border-glow);
      transform: translateY(-3px);
    }
    section {
      padding: 80px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-glass);
      border-bottom: 1px solid var(--border-glass);
    }
    .section-tag {
      display: inline-block;
      font-size: 0.8rem;
      font-weight: 600;
      letter-spacing: 1.5px;
      text-transform: uppercase;
      color: var(--accent-primary);
      margin-bottom: 12px;
      padding: 4px 12px;
      background: rgba(0, 242, 254, 0.08);
      border: 1px solid rgba(0, 242, 254, 0.2);
      border-radius: 9999px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }
    .section-desc {
      color: var(--text-regular);
      max-width: 720px;
      font-size: 1rem;
      line-height: 1.7;
    }

    /* 分类专属板块样式 */
    .cat-header-section {
      padding: 48px 0 32px 0;
      border-bottom: 1px solid var(--border-glass);
    }
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 18px;
    }
    .breadcrumb a:hover {
      color: var(--accent-primary);
    }
    .cat-h1 {
      font-size: 2.35rem;
      font-weight: 800;
      color: var(--text-primary);
      letter-spacing: -0.5px;
      margin-bottom: 14px;
    }
    .cat-tags-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 14px;
    }
    .cat-tag-pill {
      font-size: 0.82rem;
      color: var(--accent-secondary);
      background: rgba(56, 189, 248, 0.08);
      border: 1px solid rgba(56, 189, 248, 0.2);
      padding: 4px 14px;
      border-radius: 9999px;
    }

    /* 筛选工具栏 */
    .filter-bar-section {
      padding: 24px 0;
      background: rgba(11, 17, 32, 0.6);
      border-bottom: 1px solid var(--border-glass);
    }
    .filter-bar-inner {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      align-items: center;
      justify-content: space-between;
    }
    .filter-group {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-wrap: wrap;
    }
    .filter-label {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
    }
    .filter-pill {
      padding: 6px 14px;
      font-size: 0.82rem;
      border-radius: var(--radius-sm);
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      color: var(--text-regular);
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .filter-pill.active, .filter-pill:hover {
      border-color: var(--accent-primary);
      color: var(--accent-primary);
      background: rgba(0, 242, 254, 0.05);
    }

    /* 资源卡片网格 */
    .grid-3 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .app-card-media {
      height: 180px;
      border-radius: var(--radius-sm);
      overflow: hidden;
      margin-bottom: 20px;
      position: relative;
      border: 1px solid var(--border-glass);
    }
    .app-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .glass-card:hover .app-card-media img {
      transform: scale(1.04);
    }
    .version-badge {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(7, 11, 20, 0.85);
      border: 1px solid var(--accent-primary);
      color: var(--accent-primary);
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      backdrop-filter: blur(6px);
    }
    .card-meta-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      margin: 16px 0 22px 0;
      font-size: 0.84rem;
      color: var(--text-muted);
      padding: 12px;
      background: rgba(0, 0, 0, 0.25);
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.03);
    }
    .card-meta-item {
      display: flex;
      justify-content: space-between;
    }
    .card-meta-item span:last-child {
      color: var(--text-regular);
      font-family: monospace;
    }

    /* 分页控件区 */
    .pagination-section {
      padding: 24px 0 48px 0;
      text-align: center;
    }
    .pagination-wrapper {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      padding: 8px 16px;
      background: var(--bg-card);
      border: 1px solid var(--border-glass);
      border-radius: 9999px;
    }
    .page-btn {
      width: 34px;
      height: 34px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      font-size: 0.85rem;
      color: var(--text-regular);
      border: 1px solid transparent;
      cursor: pointer;
    }
    .page-btn.active {
      background: var(--accent-primary);
      color: #070B14;
      font-weight: 700;
    }
    .page-btn:hover:not(.active) {
      border-color: var(--border-glow);
      color: var(--text-primary);
    }

    /* 方案看板双列 */
    .scheme-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .flow-steps {
      display: flex;
      flex-direction: column;
      gap: 18px;
      margin-top: 24px;
    }
    .flow-step-item {
      display: flex;
      gap: 16px;
      padding: 16px;
      background: rgba(15, 23, 42, 0.4);
      border-radius: var(--radius-sm);
      border: 1px solid var(--border-glass);
    }
    .flow-index {
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(0, 242, 254, 0.12);
      color: var(--accent-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      font-weight: 700;
      flex-shrink: 0;
    }

    /* 故障排查双列表格 */
    .error-table-container {
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-md);
      overflow: hidden;
      background: var(--bg-card);
    }
    .error-table-row {
      display: grid;
      grid-template-columns: 240px 1fr;
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-glass);
      align-items: center;
    }
    .error-table-row:last-child {
      border-bottom: none;
    }
    .error-table-head {
      background: rgba(255, 255, 255, 0.03);
      font-weight: 700;
      color: var(--text-primary);
      font-size: 0.88rem;
    }
    .error-code-badge {
      display: inline-block;
      font-family: monospace;
      color: #EF4444;
      background: rgba(239, 68, 68, 0.1);
      padding: 4px 10px;
      border-radius: 4px;
      font-size: 0.85rem;
      font-weight: 600;
    }

    /* 4列紧凑技术条目 */
    .grid-4 {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }
    .topic-item-card {
      padding: 18px;
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-sm);
      background: rgba(15, 23, 42, 0.5);
      transition: all 0.25s ease;
    }
    .topic-item-card:hover {
      border-color: var(--accent-primary);
      box-shadow: 0 0 16px rgba(0, 242, 254, 0.15);
      transform: translateY(-2px);
    }

    /* 支持反馈入口卡 */
    .support-sheet {
      border: 1px dashed var(--border-glow);
      background: rgba(11, 17, 32, 0.8);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 32px;
    }

    /* 页脚 */
    .site-footer {
      background: #030712;
      border-top: 1px solid var(--border-glass);
      padding: 64px 0 28px 0;
      color: var(--text-muted);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      color: var(--text-primary);
      font-size: 1.1rem;
      margin-bottom: 14px;
    }
    .footer-col h5 {
      color: var(--text-primary);
      font-size: 0.95rem;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 0.88rem;
    }
    .footer-links a:hover {
      color: var(--accent-primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      font-size: 0.82rem;
      flex-wrap: wrap;
      gap: 12px;
    }

    @media (max-width: 1024px) {
      .grid-3 { grid-template-columns: repeat(2, 1fr); }
      .grid-4 { grid-template-columns: repeat(2, 1fr); }
      .scheme-grid { grid-template-columns: 1fr; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .site-header { height: auto; padding: 14px 0; }
      .nav-menu { display: none; }
      .grid-3 { grid-template-columns: 1fr; }
      .grid-4 { grid-template-columns: 1fr; }
      .error-table-row { grid-template-columns: 1fr; gap: 8px; }
      .support-sheet { flex-direction: column; align-items: flex-start; }
      .cat-h1 { font-size: 1.8rem; }
    }

/* roulang page: category3 */
:root {
        --bg-main: #070B14;
        --bg-surface: #0B1120;
        --bg-card: rgba(15, 23, 42, 0.72);
        --bg-glass: rgba(30, 41, 59, 0.45);
        --accent-primary: #00F2FE;
        --accent-secondary: #38BDF8;
        --accent-indigo: #6366F1;
        --border-glass: rgba(255, 255, 255, 0.08);
        --border-glow: rgba(56, 189, 248, 0.35);
        --text-primary: #F8FAFC;
        --text-regular: #94A3B8;
        --text-muted: #64748B;
        --color-success: #10B981;
        --color-warning: #F59E0B;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.3);
        --shadow-card: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08), 0 20px 40px -15px rgba(0, 0, 0, 0.6);
    }
    * {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    body {
        background-color: var(--bg-main);
        color: var(--text-regular);
        font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        line-height: 1.65;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: all 0.25s ease;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    .container {
        width: 100%;
        max-width: 1280px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 24px;
        padding-right: 24px;
    }
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(7, 11, 20, 0.85);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid var(--border-glass);
        height: 72px;
        display: flex;
        align-items: center;
    }
    .nav-wrapper {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--text-primary);
        letter-spacing: -0.5px;
    }
    .logo-icon {
        width: 32px;
        height: 32px;
        background: linear-gradient(135deg, var(--accent-primary), var(--accent-indigo));
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 12px rgba(0, 242, 254, 0.5);
    }
    .nav-menu {
        display: flex;
        align-items: center;
        gap: 28px;
        list-style: none;
    }
    .nav-link {
        font-size: 0.95rem;
        color: var(--text-regular);
        font-weight: 500;
        padding: 6px 0;
        position: relative;
    }
    .nav-link:hover, .nav-link.active {
        color: var(--accent-primary);
    }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 18px;
    }
    .lang-switch {
        display: flex;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid var(--border-glass);
        padding: 3px;
        border-radius: 9999px;
    }
    .lang-item {
        padding: 3px 10px;
        font-size: 0.78rem;
        font-weight: 600;
        border-radius: 9999px;
        cursor: pointer;
        color: var(--text-muted);
        transition: all 0.2s ease;
    }
    .lang-item.active {
        background: rgba(255, 255, 255, 0.12);
        color: var(--text-primary);
    }
    .btn-glow {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 10px 22px;
        font-size: 0.95rem;
        font-weight: 600;
        color: #070B14;
        background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
        border: none;
        border-radius: var(--radius-sm);
        cursor: pointer;
        box-shadow: var(--shadow-glow);
        transition: all 0.3s ease;
    }
    .btn-glow:hover {
        box-shadow: 0 0 32px rgba(0, 242, 254, 0.65);
        transform: translateY(-2px);
        color: #000;
    }
    .glass-card {
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-card);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        padding: 28px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    .glass-card:hover {
        border-color: var(--border-glow);
        transform: translateY(-3px);
    }
    section {
        padding: 80px 0;
        position: relative;
    }
    .section-alt {
        background-color: var(--bg-surface);
        border-top: 1px solid var(--border-glass);
        border-bottom: 1px solid var(--border-glass);
    }
    .category-header {
        padding: 48px 0 36px 0;
        background: radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15) 0%, transparent 70%);
        border-bottom: 1px solid var(--border-glass);
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: var(--text-muted);
        margin-bottom: 16px;
    }
    .breadcrumb a:hover {
        color: var(--accent-primary);
    }
    .breadcrumb-sep {
        color: rgba(255, 255, 255, 0.2);
    }
    .cat-title {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--text-primary);
        letter-spacing: -0.5px;
        margin-bottom: 12px;
        line-height: 1.3;
    }
    .cat-desc {
        font-size: 1.05rem;
        color: var(--text-regular);
        max-width: 860px;
        margin-bottom: 20px;
    }
    .cat-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .tag-badge {
        font-size: 0.78rem;
        padding: 4px 12px;
        background: rgba(56, 189, 248, 0.08);
        border: 1px solid rgba(56, 189, 248, 0.2);
        color: var(--accent-secondary);
        border-radius: 9999px;
    }
    .filter-toolbar {
        padding: 24px 0;
        background: rgba(11, 17, 32, 0.85);
        border-bottom: 1px solid var(--border-glass);
    }
    .filter-wrap {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        align-items: center;
        justify-content: space-between;
    }
    .filter-group {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }
    .filter-label {
        font-size: 0.85rem;
        color: var(--text-muted);
        font-weight: 600;
    }
    .filter-pill {
        font-size: 0.82rem;
        padding: 6px 14px;
        border-radius: var(--radius-sm);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-glass);
        color: var(--text-regular);
        cursor: pointer;
        transition: all 0.2s ease;
    }
    .filter-pill.active, .filter-pill:hover {
        background: rgba(0, 242, 254, 0.12);
        border-color: var(--accent-primary);
        color: var(--accent-primary);
    }
    .resource-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .resource-card {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        background: var(--bg-card);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-md);
        padding: 28px;
        transition: all 0.3s ease;
    }
    .resource-card:hover {
        border-color: var(--border-glow);
        transform: translateY(-4px);
        box-shadow: 0 16px 32px rgba(0, 0, 0, 0.5);
    }
    .res-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        margin-bottom: 16px;
    }
    .res-version {
        font-size: 0.75rem;
        font-weight: 700;
        padding: 3px 8px;
        border-radius: 4px;
        background: rgba(16, 185, 129, 0.15);
        color: var(--color-success);
        border: 1px solid rgba(16, 185, 129, 0.3);
    }
    .res-date {
        font-size: 0.78rem;
        color: var(--text-muted);
    }
    .res-title {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
        line-height: 1.4;
    }
    .res-desc {
        font-size: 0.9rem;
        color: var(--text-regular);
        margin-bottom: 20px;
        flex-grow: 1;
        line-height: 1.6;
    }
    .res-meta {
        border-top: 1px solid var(--border-glass);
        padding-top: 16px;
        margin-bottom: 18px;
        display: flex;
        justify-content: space-between;
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    .res-action {
        display: flex;
        gap: 12px;
    }
    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 16px;
        font-size: 0.85rem;
        font-weight: 600;
        color: var(--text-primary);
        background: transparent;
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: all 0.25s ease;
        flex: 1;
    }
    .btn-outline:hover {
        border-color: var(--accent-secondary);
        background: rgba(56, 189, 248, 0.08);
        color: var(--accent-secondary);
    }
    .btn-action-primary {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 16px;
        font-size: 0.85rem;
        font-weight: 600;
        color: #070B14;
        background: var(--accent-secondary);
        border: 1px solid var(--accent-secondary);
        border-radius: var(--radius-sm);
        cursor: pointer;
        transition: all 0.25s ease;
        flex: 1;
    }
    .btn-action-primary:hover {
        background: var(--accent-primary);
        border-color: var(--accent-primary);
        box-shadow: 0 0 16px rgba(0, 242, 254, 0.5);
    }
    .pagination-box {
        margin-top: 48px;
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 16px;
    }
    .page-btn {
        width: 38px;
        height: 38px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--bg-glass);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-sm);
        color: var(--text-regular);
        font-size: 0.88rem;
        cursor: pointer;
        transition: all 0.2s;
    }
    .page-btn.active, .page-btn:hover {
        border-color: var(--accent-primary);
        color: var(--accent-primary);
        background: rgba(0, 242, 254, 0.1);
    }
    .load-more-btn {
        padding: 10px 28px;
        font-size: 0.9rem;
        font-weight: 600;
        color: var(--text-primary);
        background: var(--bg-card);
        border: 1px solid var(--border-glow);
        border-radius: var(--radius-sm);
        cursor: pointer;
        box-shadow: 0 0 15px rgba(56, 189, 248, 0.2);
        transition: all 0.3s ease;
    }
    .load-more-btn:hover {
        background: rgba(56, 189, 248, 0.15);
        box-shadow: 0 0 25px rgba(56, 189, 248, 0.4);
    }
    .pipeline-wrapper {
        display: grid;
        grid-template-columns: 1.1fr 0.9fr;
        gap: 40px;
        align-items: center;
    }
    .pipeline-img-card {
        border-radius: var(--radius-md);
        border: 1px solid var(--border-glass);
        overflow: hidden;
        position: relative;
        background: #000;
    }
    .pipeline-img-card img {
        width: 100%;
        height: 380px;
        object-fit: cover;
        opacity: 0.85;
    }
    .pipeline-desc h3 {
        font-size: 1.6rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 16px;
    }
    .pipeline-step {
        display: flex;
        gap: 16px;
        margin-bottom: 20px;
    }
    .step-num {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: rgba(0, 242, 254, 0.12);
        border: 1px solid var(--accent-primary);
        color: var(--accent-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 0.9rem;
        flex-shrink: 0;
    }
    .step-content h4 {
        font-size: 1.05rem;
        color: var(--text-primary);
        margin-bottom: 4px;
    }
    .step-content p {
        font-size: 0.88rem;
        color: var(--text-regular);
    }
    .troubleshoot-table {
        width: 100%;
        border-collapse: collapse;
        background: var(--bg-card);
        border-radius: var(--radius-md);
        overflow: hidden;
        border: 1px solid var(--border-glass);
    }
    .troubleshoot-table th {
        background: rgba(255, 255, 255, 0.03);
        padding: 16px 20px;
        text-align: left;
        font-size: 0.88rem;
        color: var(--text-primary);
        border-bottom: 1px solid var(--border-glass);
    }
    .troubleshoot-table td {
        padding: 16px 20px;
        font-size: 0.88rem;
        border-bottom: 1px solid var(--border-glass);
        color: var(--text-regular);
        vertical-align: top;
    }
    .troubleshoot-table tr:last-child td {
        border-bottom: none;
    }
    .code-badge {
        font-family: monospace;
        font-size: 0.8rem;
        padding: 2px 6px;
        background: rgba(245, 158, 11, 0.1);
        border: 1px solid rgba(245, 158, 11, 0.25);
        color: var(--color-warning);
        border-radius: 4px;
    }
    .hot-topic-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .hot-topic-card {
        padding: 18px;
        background: var(--bg-glass);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-sm);
        transition: all 0.25s ease;
    }
    .hot-topic-card:hover {
        border-color: var(--accent-primary);
        transform: translateY(-2px);
        box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
    }
    .hot-topic-card h5 {
        font-size: 0.95rem;
        color: var(--text-primary);
        margin-bottom: 6px;
    }
    .hot-topic-card p {
        font-size: 0.8rem;
        color: var(--text-muted);
        line-height: 1.5;
    }
    .support-box {
        background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(11, 17, 32, 0.95) 100%);
        border: 1px solid var(--border-glass);
        border-radius: var(--radius-lg);
        padding: 44px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 32px;
    }
    .support-info h3 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 10px;
    }
    .support-info p {
        font-size: 0.92rem;
        color: var(--text-regular);
        max-width: 650px;
    }
    .support-actions {
        display: flex;
        gap: 16px;
        flex-shrink: 0;
    }
    .site-footer {
        background: #04070D;
        border-top: 1px solid var(--border-glass);
        padding: 64px 0 32px 0;
        font-size: 0.9rem;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 48px;
        margin-bottom: 48px;
    }
    .footer-brand h4 {
        color: var(--text-primary);
        font-size: 1.1rem;
        margin-bottom: 16px;
        font-weight: 700;
    }
    .footer-col h5 {
        color: var(--text-primary);
        font-size: 0.95rem;
        margin-bottom: 16px;
        font-weight: 600;
    }
    .footer-links {
        list-style: none;
    }
    .footer-links li {
        margin-bottom: 10px;
    }
    .footer-links a {
        color: var(--text-muted);
    }
    .footer-links a:hover {
        color: var(--accent-primary);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.05);
        padding-top: 28px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        font-size: 0.8rem;
        color: var(--text-muted);
    }
    @media (max-width: 1024px) {
        .resource-grid { grid-template-columns: repeat(2, 1fr); }
        .hot-topic-grid { grid-template-columns: repeat(2, 1fr); }
        .pipeline-wrapper { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    }
    @media (max-width: 768px) {
        .nav-menu { display: none; }
        .cat-title { font-size: 1.7rem; }
        .resource-grid { grid-template-columns: 1fr; }
        .hot-topic-grid { grid-template-columns: 1fr; }
        .support-box { flex-direction: column; align-items: flex-start; padding: 28px; }
        .support-actions { width: 100%; flex-direction: column; }
        .footer-grid { grid-template-columns: 1fr; }
        .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }

/* roulang page: category4 */
:root {
            --bg-main: #070B14;
            --bg-surface: #0B1120;
            --bg-card: rgba(15, 23, 42, 0.72);
            --bg-glass: rgba(30, 41, 59, 0.45);
            --accent-primary: #00F2FE;
            --accent-secondary: #38BDF8;
            --accent-indigo: #6366F1;
            --border-glass: rgba(255, 255, 255, 0.08);
            --border-glow: rgba(56, 189, 248, 0.35);
            --text-primary: #F8FAFC;
            --text-regular: #94A3B8;
            --text-muted: #64748B;
            --color-success: #10B981;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glow: 0 0 25px rgba(56, 189, 248, 0.3);
            --shadow-card: inset 0 1px 1px 0 rgba(255, 255, 255, 0.08), 0 20px 40px -15px rgba(0, 0, 0, 0.6);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            background-color: var(--bg-main);
            color: var(--text-regular);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(7, 11, 20, 0.82);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-glass);
            height: 72px;
            display: flex;
            align-items: center;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent-primary), var(--accent-indigo));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 12px rgba(0, 242, 254, 0.5);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-link {
            font-size: 0.95rem;
            color: var(--text-regular);
            font-weight: 500;
            padding: 6px 0;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--accent-primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 18px;
        }
        .lang-switch {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            border-radius: 9999px;
            padding: 2px;
        }
        .lang-item {
            padding: 3px 10px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 9999px;
            cursor: pointer;
            color: var(--text-muted);
            transition: all 0.2s ease;
        }
        .lang-item.active {
            background: rgba(255, 255, 255, 0.12);
            color: var(--text-primary);
        }
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #070B14;
            background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            box-shadow: var(--shadow-glow);
            transition: all 0.3s ease;
        }
        .btn-glow:hover {
            box-shadow: 0 0 32px rgba(0, 242, 254, 0.65);
            transform: translateY(-2px);
            color: #000;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            background: var(--bg-glass);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            cursor: pointer;
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            border-color: var(--border-glow);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            padding: 28px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            transform: translateY(-3px);
        }
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }
        .section-header {
            margin-bottom: 48px;
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            color: var(--accent-primary);
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(0, 242, 254, 0.1);
            padding: 4px 12px;
            border-radius: 9999px;
            border: 1px solid rgba(0, 242, 254, 0.2);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .section-desc {
            max-width: 680px;
            margin: 0 auto;
            color: var(--text-regular);
            font-size: 1rem;
        }

        /* 分类页专属样式 */
        .cat-hero {
            padding: 60px 0 40px;
            border-bottom: 1px solid var(--border-glass);
            background: radial-gradient(circle at 50% 20%, rgba(56, 189, 248, 0.08), transparent 70%);
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .breadcrumb a:hover {
            color: var(--accent-primary);
        }
        .breadcrumb-sep {
            color: var(--border-glass);
        }
        .cat-h1 {
            font-size: 2.4rem;
            color: var(--text-primary);
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.25;
        }
        .cat-meta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 16px;
        }
        .meta-pill {
            font-size: 0.82rem;
            padding: 4px 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-glass);
            border-radius: 6px;
            color: var(--text-regular);
        }

        /* 筛选工具栏 */
        .filter-toolbar {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 40px;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            font-weight: 600;
            min-width: 80px;
        }
        .filter-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .filter-btn {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-glass);
            color: var(--text-regular);
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .filter-btn.active, .filter-btn:hover {
            background: rgba(56, 189, 248, 0.15);
            border-color: var(--accent-secondary);
            color: var(--accent-primary);
        }

        /* 策略卡片列表网格 */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .spec-badge {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 4px;
            text-transform: uppercase;
            background: rgba(99, 102, 241, 0.2);
            color: #818CF8;
            border: 1px solid rgba(99, 102, 241, 0.3);
            margin-bottom: 14px;
        }
        .spec-title {
            font-size: 1.18rem;
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .spec-desc {
            font-size: 0.9rem;
            color: var(--text-regular);
            line-height: 1.6;
            margin-bottom: 20px;
            min-height: 60px;
        }
        .spec-attrs {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 14px;
            margin-bottom: 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 8px;
            font-size: 0.8rem;
        }
        .attr-item span:first-child {
            color: var(--text-muted);
        }
        .attr-item span:last-child {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* 分页与加载 */
        .pagination-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-top: 48px;
        }
        .page-num {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-glass);
            background: var(--bg-card);
            color: var(--text-regular);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }
        .page-num.active, .page-num:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            background: rgba(0, 242, 254, 0.08);
        }

        /* 架构流程看板 */
        .flow-container {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
        }
        .flow-visual {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-glass);
        }
        .flow-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .flow-step-item {
            display: flex;
            gap: 16px;
        }
        .step-index {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(56, 189, 248, 0.15);
            border: 1px solid var(--accent-secondary);
            color: var(--accent-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }
        .step-body h4 {
            color: var(--text-primary);
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .step-body p {
            color: var(--text-regular);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* 错误码速查表 */
        .trouble-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .trouble-table th, .trouble-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border-glass);
        }
        .trouble-table th {
            color: var(--text-primary);
            font-weight: 600;
            background: rgba(255, 255, 255, 0.02);
        }
        .trouble-table td:first-child {
            font-family: monospace;
            color: var(--accent-secondary);
            font-weight: 600;
        }

        /* 热搜条目网格 */
        .tag-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .tag-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all 0.25s ease;
        }
        .tag-card:hover {
            border-color: var(--accent-primary);
            box-shadow: 0 0 15px rgba(0, 242, 254, 0.2);
            transform: translateY(-2px);
        }
        .tag-card strong {
            color: var(--text-primary);
            font-size: 0.95rem;
        }
        .tag-card span {
            color: var(--text-muted);
            font-size: 0.8rem;
        }

        /* 反馈与工单模块 */
        .support-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            padding: 40px;
        }
        .form-group {
            margin-bottom: 18px;
        }
        .form-group label {
            display: block;
            color: var(--text-primary);
            font-size: 0.88rem;
            margin-bottom: 8px;
            font-weight: 500;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            background: rgba(7, 11, 20, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 0.92rem;
            outline: none;
            transition: border-color 0.2s ease;
        }
        .form-control:focus {
            border-color: var(--accent-secondary);
        }

        /* 页脚统一 */
        .site-footer {
            background: #04070D;
            border-top: 1px solid var(--border-glass);
            padding: 72px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 56px;
        }
        .footer-brand h4 {
            color: var(--text-primary);
            font-size: 1.15rem;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer-col h5 {
            color: var(--text-primary);
            font-size: 0.95rem;
            margin-bottom: 20px;
            font-weight: 600;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            color: var(--text-regular);
            font-size: 0.88rem;
        }
        .footer-links a:hover {
            color: var(--accent-primary);
        }
        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-container {
                grid-template-columns: 1fr;
            }
            .tag-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .support-box {
                grid-template-columns: 1fr;
                padding: 24px;
            }
            .tag-grid {
                grid-template-columns: 1fr;
            }
            .cat-h1 {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }