/* roulang page: index */
:root {
            --c-primary: #0C2B1E;
            --c-primary-light: #16382A;
            --c-primary-dark: #071A12;
            --c-accent-gold: #D4AF37;
            --c-accent-green: #7BB142;
            --c-bg-light: #F8F9F6;
            --c-card-bg: #FFFFFF;
            --c-text-main: #0D1912;
            --c-text-body: #334139;
            --c-text-muted: #708076;
            --c-border: rgba(12, 43, 30, 0.08);
            --c-border-gold: rgba(212, 175, 55, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-elevated: 0 10px 30px rgba(12, 43, 30, 0.08);
            --transition-smooth: all 0.24s ease-in-out;
        }

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

        body {
            margin: 0;
            padding: 0;
            background-color: var(--c-bg-light);
            color: var(--c-text-body);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.8;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

        h1, h2, h3, h4, h5, h6 {
            color: var(--c-text-main);
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.015em;
            margin-top: 0;
        }

        p {
            margin-bottom: 1.25rem;
            color: var(--c-text-body);
        }

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

        /* 顶部导航 Header */
        .site-header {
            background-color: var(--c-primary);
            border-bottom: 1px solid var(--c-border-gold);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 18px rgba(7, 26, 18, 0.2);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            color: #FFFFFF;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.02em;
        }

        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--c-accent-gold), #B89020);
            color: var(--c-primary-dark);
            font-weight: 900;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 1.5rem;
        }

        .nav-menu a {
            color: #E2E8E4;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.35rem 0.2rem;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--c-accent-gold);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--c-accent-gold);
        }

        .header-action .btn-header-cta {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.25rem;
            background-color: var(--c-accent-gold);
            color: var(--c-primary-dark);
            font-size: 0.88rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-accent-gold);
            transition: var(--transition-smooth);
        }

        .header-action .btn-header-cta:hover {
            background-color: #E5C358;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.35);
        }

        /* 基础按钮系统 */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            background-color: var(--c-accent-gold);
            color: var(--c-primary-dark);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-accent-gold);
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }

        .btn-gold:hover {
            background-color: #E2BF48;
            color: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            background-color: transparent;
            color: var(--c-accent-gold);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-accent-gold);
        }

        .btn-outline-gold:hover {
            background-color: rgba(212, 175, 55, 0.12);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            background-color: var(--c-primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-primary);
        }

        .btn-dark:hover {
            background-color: var(--c-primary-light);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-subtle);
        }

        /* 标签与徽章 */
        .pill-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .badge-gold {
            background-color: rgba(212, 175, 55, 0.15);
            color: #8E7010;
            border: 1px solid rgba(212, 175, 55, 0.35);
        }

        .badge-green {
            background-color: rgba(123, 177, 66, 0.15);
            color: #4C7524;
            border: 1px solid rgba(123, 177, 66, 0.35);
        }

        .badge-dark-gold {
            background-color: rgba(212, 175, 55, 0.18);
            color: var(--c-accent-gold);
            border: 1px solid rgba(212, 175, 55, 0.3);
        }

        /* 通用卡片容器 */
        .panel-card {
            background-color: var(--c-card-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            box-shadow: var(--shadow-subtle);
            height: 100%;
            transition: var(--transition-smooth);
        }

        .panel-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-elevated);
            border-color: rgba(12, 43, 30, 0.15);
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-header .section-tag {
            font-size: 0.82rem;
            font-weight: 800;
            color: var(--c-accent-green);
            letter-spacing: 0.08em;
            margin-bottom: 0.4rem;
            text-transform: uppercase;
            display: block;
        }

        .section-header h2 {
            font-size: 1.85rem;
            color: var(--c-primary-dark);
            margin-bottom: 0.75rem;
        }

        .section-header p {
            color: var(--c-text-muted);
            font-size: 1.02rem;
            max-width: 740px;
            margin: 0;
        }

        .section-py {
            padding: 4.5rem 0;
        }

        .bg-white {
            background-color: #FFFFFF;
        }

        .bg-deep {
            background-color: var(--c-primary);
            color: #E2E8E4;
        }

        .bg-deep h2, .bg-deep h3, .bg-deep h4 {
            color: #FFFFFF;
        }

        .bg-deep p {
            color: #B9C6BF;
        }

        /* 板块 1: Hero (Bento 结构) */
        .hero-bento-section {
            background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
            color: #FFFFFF;
            padding: 4.5rem 0 3.5rem;
            position: relative;
        }

        .bento-main {
            background: rgba(22, 56, 42, 0.65);
            border: 1px solid var(--c-border-gold);
            border-radius: var(--radius-lg);
            padding: 2.75rem;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .bento-main h1 {
            color: #FFFFFF;
            font-size: 2.45rem;
            font-weight: 800;
            line-height: 1.28;
            margin-bottom: 1.25rem;
        }

        .bento-main .hero-desc {
            color: #C1CCC5;
            font-size: 1.08rem;
            line-height: 1.85;
            margin-bottom: 2rem;
        }

        .bento-metric-sub {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            height: 100%;
        }

        .bento-sub-card {
            background: rgba(22, 56, 42, 0.45);
            border: 1px solid rgba(212, 175, 55, 0.25);
            border-radius: var(--radius-md);
            padding: 1.6rem;
            flex: 1;
        }

        .bento-sub-card .sub-value {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--c-accent-gold);
            line-height: 1;
            margin-bottom: 0.4rem;
            font-family: monospace, sans-serif;
        }

        .bento-sub-card .sub-title {
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 0.35rem;
        }

        .bento-sub-card p {
            color: #9EAEA5;
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.55;
        }

        .hero-telemetry-bar {
            margin-top: 2rem;
            background: rgba(7, 26, 18, 0.7);
            border-radius: var(--radius-md);
            padding: 1.25rem 2rem;
            border: 1px solid rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .telemetry-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .telemetry-indicator {
            width: 10px;
            height: 10px;
            background-color: var(--c-accent-green);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--c-accent-green);
        }

        .telemetry-text {
            font-size: 0.88rem;
            color: #D2DCD6;
        }

        .telemetry-text strong {
            color: var(--c-accent-gold);
            font-family: monospace, sans-serif;
        }

        /* 板块 2: 已上线核心能力 (服务矩阵) */
        .service-icon-box {
            width: 48px;
            height: 48px;
            background-color: rgba(12, 43, 30, 0.06);
            color: var(--c-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 1.2rem;
            border: 1px solid rgba(12, 43, 30, 0.12);
        }

        .service-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--c-primary-dark);
            margin-bottom: 0.6rem;
        }

        .service-desc {
            font-size: 0.92rem;
            color: var(--c-text-body);
            line-height: 1.65;
            margin: 0;
        }

        /* 板块 3: 传输实测对比 (结果对比) */
        .comparison-table-wrapper {
            background-color: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--c-border);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 0;
        }

        .comparison-table th, 
        .comparison-table td {
            padding: 1.15rem 1.4rem;
            font-size: 0.92rem;
            border-bottom: 1px solid rgba(12, 43, 30, 0.06);
            text-align: left;
        }

        .comparison-table th {
            background-color: var(--c-primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 0.95rem;
        }

        .comparison-table th.highlight-col {
            background-color: var(--c-primary-light);
            color: var(--c-accent-gold);
            border-bottom: 2px solid var(--c-accent-gold);
        }

        .comparison-table td.highlight-col {
            background-color: rgba(212, 175, 55, 0.04);
            font-weight: 600;
            color: var(--c-primary-dark);
        }

        /* 板块 4: 演进里程碑 (时间线) */
        .timeline-container {
            position: relative;
            padding-left: 2rem;
            border-left: 2px solid rgba(212, 175, 55, 0.4);
        }

        .timeline-step {
            position: relative;
            margin-bottom: 2.25rem;
        }

        .timeline-step:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -2.65rem;
            top: 0.2rem;
            width: 18px;
            height: 18px;
            background-color: var(--c-accent-gold);
            border: 3px solid var(--c-primary);
            border-radius: 50%;
        }

        .timeline-version {
            font-size: 0.84rem;
            font-weight: 700;
            color: var(--c-accent-gold);
            text-transform: uppercase;
            margin-bottom: 0.25rem;
        }

        .timeline-heading {
            font-size: 1.1rem;
            color: #FFFFFF;
            margin-bottom: 0.45rem;
        }

        .timeline-text {
            font-size: 0.9rem;
            color: #A9B8AF;
            margin: 0;
            line-height: 1.65;
        }

        /* 板块 5: 资讯与动态列表 */
        .cms-main-card {
            background: #FFFFFF;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            margin-bottom: 1.25rem;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .cms-main-card:hover {
            border-color: var(--c-accent-gold);
            box-shadow: var(--shadow-elevated);
            transform: translateX(4px);
        }

        .cms-card-meta {
            display: flex;
            align-items: center;
            gap: 0.85rem;
            font-size: 0.82rem;
            color: var(--c-text-muted);
            margin-bottom: 0.65rem;
        }

        .cms-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--c-primary-dark);
            margin-bottom: 0.65rem;
            line-height: 1.45;
        }

        .cms-card-title a:hover {
            color: #B89020;
        }

        .cms-card-excerpt {
            font-size: 0.9rem;
            color: var(--c-text-body);
            line-height: 1.68;
            margin-bottom: 1rem;
        }

        .cms-more-link {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--c-primary);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .cms-more-link:hover {
            color: var(--c-accent-gold);
        }

        .empty-cms-box {
            padding: 3rem 1.5rem;
            text-align: center;
            background-color: #FFFFFF;
            border: 1px dashed var(--c-border);
            border-radius: var(--radius-md);
            color: var(--c-text-muted);
            font-size: 0.95rem;
        }

        /* 板块 6: 规划中与在研特性 */
        .roadmap-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border-top: 4px solid var(--c-accent-green);
            padding: 1.6rem;
            box-shadow: var(--shadow-subtle);
            height: 100%;
        }

        .roadmap-status {
            font-size: 0.76rem;
            font-weight: 800;
            padding: 0.2rem 0.6rem;
            border-radius: var(--radius-sm);
            background-color: rgba(123, 177, 66, 0.12);
            color: #436B1E;
            display: inline-block;
            margin-bottom: 0.8rem;
        }

        /* 板块 7: 终端硬件兼容 */
        .device-card {
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            background: #FFFFFF;
            padding: 1.75rem;
            height: 100%;
        }

        .device-card-header {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            margin-bottom: 1rem;
        }

        .device-tag-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background-color: rgba(12, 43, 30, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--c-primary);
        }

        /* 板块 8: 区域专线调度中心 */
        .region-panel {
            background: rgba(22, 56, 42, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 2rem;
            height: 100%;
        }

        .region-panel h3 {
            color: #FFFFFF;
            font-size: 1.3rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .stat-grid-duo {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin: 1.25rem 0;
        }

        .stat-duo-item {
            background: rgba(7, 26, 18, 0.6);
            padding: 1rem;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(212, 175, 55, 0.2);
        }

        .stat-duo-val {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--c-accent-gold);
            font-family: monospace, sans-serif;
        }

        .stat-duo-lbl {
            font-size: 0.78rem;
            color: #A3B5AC;
        }

        /* 板块 9: 快速解答排障路径 */
        .step-diag-card {
            background: #FFFFFF;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            position: relative;
            height: 100%;
        }

        .step-diag-number {
            font-size: 2rem;
            font-weight: 900;
            color: rgba(12, 43, 30, 0.12);
            position: absolute;
            top: 1rem;
            right: 1.2rem;
            line-height: 1;
            font-family: monospace, sans-serif;
        }

        /* 板块 10: FAQ 手风琴面板 */
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(12, 43, 30, 0.2);
        }

        .faq-question {
            padding: 1.25rem 1.5rem;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-primary-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            user-select: none;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.35rem;
            font-weight: 600;
            color: var(--c-accent-gold);
            margin-left: 1rem;
            transition: transform 0.2s ease;
        }

        .faq-item.active .faq-question::after {
            content: "−";
            color: var(--c-primary);
        }

        .faq-answer {
            padding: 0 1.5rem 1.25rem 1.5rem;
            color: var(--c-text-body);
            font-size: 0.94rem;
            line-height: 1.75;
            display: none;
        }

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

        /* 板块 11: 预约测速与网络订阅表单 */
        .subscribe-form-wrap {
            background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
            border: 1px solid var(--c-border-gold);
            border-radius: var(--radius-lg);
            padding: 3rem;
            color: #FFFFFF;
            box-shadow: var(--shadow-elevated);
        }

        .custom-input, .custom-select {
            width: 100%;
            height: 48px;
            padding: 0 1rem;
            background-color: rgba(7, 26, 18, 0.6);
            border: 1px solid rgba(212, 175, 55, 0.35);
            border-radius: var(--radius-sm);
            color: #FFFFFF;
            font-size: 0.92rem;
            margin-bottom: 0;
            outline: none;
            transition: var(--transition-smooth);
        }

        .custom-input:focus, .custom-select:focus {
            border-color: var(--c-accent-gold);
            background-color: rgba(7, 26, 18, 0.85);
            box-shadow: 0 0 8px rgba(212, 175, 55, 0.3);
        }

        .custom-select option {
            background-color: var(--c-primary-dark);
            color: #FFFFFF;
        }

        /* 页脚 Footer */
        .site-footer {
            background-color: var(--c-primary-dark);
            color: #92A399;
            border-top: 1px solid var(--c-border-gold);
            padding: 4rem 0 2rem;
            font-size: 0.9rem;
        }

        .footer-brand h4 {
            color: #FFFFFF;
            font-size: 1.2rem;
            margin-bottom: 0.85rem;
            font-weight: 800;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: #7E9287;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .footer-nav-title {
            color: #FFFFFF;
            font-size: 0.98rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            letter-spacing: 0.02em;
        }

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

        .footer-links li {
            margin-bottom: 0.65rem;
        }

        .footer-links a {
            color: #A6B8AE;
            font-size: 0.88rem;
        }

        .footer-links a:hover {
            color: var(--c-accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 3.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.82rem;
            color: #63776C;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        /* 移动端断点适配 */
        @media screen and (max-width: 1024px) {
            .bento-main h1 {
                font-size: 2.1rem;
            }
            .section-header h2 {
                font-size: 1.65rem;
            }
        }

        @media screen and (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
            .nav-menu {
                gap: 1rem;
                flex-wrap: wrap;
                justify-content: center;
            }
            .header-action {
                display: none;
            }
            .bento-main {
                padding: 1.75rem;
            }
            .bento-main h1 {
                font-size: 1.75rem;
            }
            .subscribe-form-wrap {
                padding: 1.75rem;
            }
            .section-py {
                padding: 3rem 0;
            }
            .hero-telemetry-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
            --c-primary: #0C2B1E;
            --c-primary-light: #16382A;
            --c-primary-dark: #071A12;
            --c-accent-gold: #D4AF37;
            --c-accent-green: #7BB142;
            --c-bg-light: #F8F9F6;
            --c-card-bg: #FFFFFF;
            --c-text-main: #0D1912;
            --c-text-body: #334139;
            --c-text-muted: #708076;
            --c-border: rgba(12, 43, 30, 0.08);
            --c-border-gold: rgba(212, 175, 55, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-elevated: 0 10px 30px rgba(12, 43, 30, 0.08);
            --transition-smooth: all 0.24s ease-in-out;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--c-bg-light);
            color: var(--c-text-body);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.85;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

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

        /* 统一顶栏导航 Header */
        .site-header {
            background-color: var(--c-primary);
            border-bottom: 1px solid var(--c-border-gold);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 18px rgba(7, 26, 18, 0.2);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1rem 0;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            color: #FFFFFF;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.02em;
        }
        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--c-accent-gold), #B89020);
            color: var(--c-primary-dark);
            font-weight: 900;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 1.5rem;
        }
        .nav-menu a {
            color: #E2E8E4;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.35rem 0.2rem;
            position: relative;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--c-accent-gold);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--c-accent-gold);
        }
        .header-action .btn-header-cta {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.25rem;
            background-color: var(--c-accent-gold);
            color: var(--c-primary-dark);
            font-size: 0.88rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-accent-gold);
            transition: var(--transition-smooth);
        }
        .header-action .btn-header-cta:hover {
            background-color: #E5C358;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.35);
        }

        /* 基础按钮与徽章系统 */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            background-color: var(--c-accent-gold);
            color: var(--c-primary-dark);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-accent-gold);
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }
        .btn-gold:hover {
            background-color: #E2BF48;
            color: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }
        .pill-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }
        .badge-gold {
            background-color: rgba(212, 175, 55, 0.15);
            color: #8E7010;
            border: 1px solid rgba(212, 175, 55, 0.35);
        }
        .badge-green {
            background-color: rgba(123, 177, 66, 0.15);
            color: #3C631B;
            border: 1px solid rgba(123, 177, 66, 0.35);
        }

        /* 文章容器规范：居中 820px 精细排版 */
        .article-main-container {
            max-width: 860px;
            margin: 0 auto;
            padding: 2.5rem 1.25rem 5rem;
        }

        /* 板块 1：面包屑与元数据头部 */
        .article-header-card {
            background-color: var(--c-card-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 2rem 2.25rem;
            box-shadow: var(--shadow-subtle);
            margin-bottom: 2rem;
        }
        .article-breadcrumbs {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: var(--c-text-muted);
            margin-bottom: 1.25rem;
        }
        .article-breadcrumbs a {
            color: var(--c-text-muted);
        }
        .article-breadcrumbs a:hover {
            color: var(--c-accent-gold);
        }
        .article-breadcrumbs .sep {
            color: rgba(12, 43, 30, 0.25);
        }
        .article-h1 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.35;
            color: var(--c-primary-dark);
            margin: 0 0 1.25rem;
            letter-spacing: -0.02em;
        }
        .article-meta-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.25rem;
            font-size: 0.85rem;
            color: var(--c-text-muted);
            padding-top: 1rem;
            border-top: 1px solid rgba(12, 43, 30, 0.06);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        /* 板块 2：核心导读卡片 */
        .takeaways-box {
            background-color: #EDF3EE;
            border-left: 4px solid var(--c-accent-green);
            border-radius: var(--radius-md);
            padding: 1.5rem 1.75rem;
            margin-bottom: 2.5rem;
        }
        .takeaways-title {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--c-primary);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .takeaways-list {
            margin: 0;
            padding-left: 1.25rem;
            color: var(--c-text-body);
            font-size: 0.92rem;
            line-height: 1.75;
        }
        .takeaways-list li {
            margin-bottom: 0.4rem;
        }
        .takeaways-list li:last-child {
            margin-bottom: 0;
        }

        /* 板块 3：正文主体排版 */
        .article-body-wrapper {
            background-color: var(--c-card-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 2.5rem 2.25rem;
            box-shadow: var(--shadow-subtle);
            margin-bottom: 2.5rem;
        }
        .article-content {
            font-size: 1.02rem;
            color: #27382F;
            line-height: 1.88;
        }
        .article-content p {
            margin-bottom: 1.5rem;
        }
        .article-content h2 {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--c-primary);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid rgba(12, 43, 30, 0.08);
            display: flex;
            align-items: center;
        }
        .article-content h2::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 1.15em;
            background: var(--c-accent-gold);
            margin-right: 0.65rem;
            border-radius: 2px;
        }
        .article-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--c-primary-light);
            margin: 1.75rem 0 0.75rem;
        }
        .article-content blockquote {
            margin: 1.5rem 0;
            padding: 1.1rem 1.4rem;
            background-color: #F4F7F5;
            border-left: 4px solid var(--c-accent-gold);
            color: var(--c-primary);
            font-style: normal;
            border-radius: var(--radius-sm);
        }
        .article-content ul, .article-content ol {
            margin: 1rem 0 1.5rem 1.5rem;
        }
        .article-content li {
            margin-bottom: 0.5rem;
        }
        .article-content strong {
            color: var(--c-primary-dark);
            font-weight: 700;
        }

        /* 内容未找到状态 */
        .empty-article-state {
            text-align: center;
            padding: 4rem 1.5rem;
        }
        .empty-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        .empty-article-state h3 {
            color: var(--c-primary);
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 0.75rem;
        }
        .empty-article-state p {
            color: var(--c-text-muted);
            max-width: 480px;
            margin: 0 auto 1.75rem;
        }

        /* 板块 4：链路性能参数面板 */
        .telemetry-param-panel {
            background-color: #FFFFFF;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 1.75rem 2rem;
            box-shadow: var(--shadow-subtle);
            margin-bottom: 2.5rem;
        }
        .panel-heading {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.25rem;
            border-bottom: 1px solid rgba(12, 43, 30, 0.06);
            padding-bottom: 0.75rem;
        }
        .panel-title {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--c-primary);
            margin: 0;
        }
        .param-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
        }
        .param-card {
            background-color: var(--c-bg-light);
            border: 1px solid rgba(12, 43, 30, 0.05);
            padding: 1rem;
            border-radius: var(--radius-sm);
            text-align: center;
        }
        .param-val {
            font-size: 1.45rem;
            font-weight: 900;
            color: var(--c-primary);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            line-height: 1.2;
            margin-bottom: 0.35rem;
        }
        .param-val span {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--c-accent-green);
            margin-left: 2px;
        }
        .param-label {
            font-size: 0.78rem;
            color: var(--c-text-muted);
        }

        /* 板块 5：合规与技术声明条 */
        .compliance-notice-bar {
            background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
            border-radius: var(--radius-md);
            padding: 1.5rem 1.75rem;
            color: #E2E8E4;
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            box-shadow: var(--shadow-subtle);
            margin-bottom: 2.5rem;
        }
        .compliance-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            background: rgba(212, 175, 55, 0.2);
            color: var(--c-accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-weight: bold;
            font-size: 1.1rem;
        }
        .compliance-text {
            font-size: 0.88rem;
            line-height: 1.7;
        }
        .compliance-text strong {
            color: #FFFFFF;
            font-weight: 700;
        }

        /* 板块 6：篇章跳转导航 */
        .article-pagination-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
            margin-bottom: 2.5rem;
        }
        .page-anchor-card {
            background-color: var(--c-card-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            transition: var(--transition-smooth);
        }
        .page-anchor-card:hover {
            border-color: var(--c-accent-gold);
            transform: translateY(-2px);
            box-shadow: var(--shadow-subtle);
        }
        .page-anchor-card.text-right {
            text-align: right;
        }
        .anchor-sub {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--c-accent-gold);
            text-transform: uppercase;
            margin-bottom: 0.25rem;
        }
        .anchor-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* 板块 7：深度相关推荐与扩展阅读 */
        .related-section {
            background-color: var(--c-card-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 2rem 2.25rem;
            box-shadow: var(--shadow-subtle);
        }
        .related-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 1px solid rgba(12, 43, 30, 0.06);
        }
        .related-title {
            font-size: 1.15rem;
            font-weight: 800;
            color: var(--c-primary);
            margin: 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
            margin-bottom: 1.75rem;
        }
        .related-card {
            background-color: var(--c-bg-light);
            border: 1px solid rgba(12, 43, 30, 0.06);
            border-radius: var(--radius-sm);
            padding: 1.25rem;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .related-card:hover {
            border-color: var(--c-accent-gold);
            background-color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-subtle);
        }
        .related-tag {
            margin-bottom: 0.65rem;
        }
        .related-card-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-primary);
            line-height: 1.5;
            margin-bottom: 0.75rem;
        }
        .related-card-date {
            font-size: 0.78rem;
            color: var(--c-text-muted);
        }
        .related-action {
            text-align: center;
            padding-top: 0.5rem;
        }

        /* 全局页脚 Footer */
        .site-footer {
            background-color: var(--c-primary-dark);
            color: #A9B8AF;
            padding: 3.5rem 0 1.5rem;
            border-top: 1px solid var(--c-border-gold);
            font-size: 0.9rem;
        }
        .footer-brand h4 {
            color: #FFFFFF;
            font-size: 1.35rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        .footer-desc {
            line-height: 1.75;
            color: #8D9E94;
            margin-bottom: 0;
            font-size: 0.88rem;
        }
        .footer-nav-title {
            color: var(--c-accent-gold);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 0.65rem;
        }
        .footer-links a {
            color: #BAC7C0;
            transition: var(--transition-smooth);
        }
        .footer-links a:hover {
            color: var(--c-accent-gold);
            padding-left: 3px;
        }
        .footer-bottom {
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
            font-size: 0.82rem;
            color: #72847A;
        }

        /* 响应式适配断点 */
        @media (max-width: 820px) {
            .param-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .article-pagination-nav {
                grid-template-columns: 1fr;
            }
            .page-anchor-card.text-right {
                text-align: left;
            }
        }
        @media (max-width: 640px) {
            .article-main-container {
                padding: 1.5rem 1rem 3.5rem;
            }
            .article-header-card,
            .article-body-wrapper,
            .telemetry-param-panel,
            .related-section {
                padding: 1.5rem 1.25rem;
            }
            .article-h1 {
                font-size: 1.5rem;
            }
            .nav-menu {
                gap: 0.85rem;
            }
            .header-action {
                display: none;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category1 */
:root {
            --c-primary: #0C2B1E;
            --c-primary-light: #16382A;
            --c-primary-dark: #071A12;
            --c-accent-gold: #D4AF37;
            --c-accent-green: #7BB142;
            --c-bg-light: #F8F9F6;
            --c-card-bg: #FFFFFF;
            --c-text-main: #0D1912;
            --c-text-body: #334139;
            --c-text-muted: #708076;
            --c-border: rgba(12, 43, 30, 0.08);
            --c-border-gold: rgba(212, 175, 55, 0.35);
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 10px;
            --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.04);
            --shadow-elevated: 0 10px 30px rgba(12, 43, 30, 0.08);
            --transition-smooth: all 0.24s ease-in-out;
        }

        body {
            margin: 0;
            padding: 0;
            background-color: var(--c-bg-light);
            color: var(--c-text-body);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            line-height: 1.8;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

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

        .site-header {
            background-color: var(--c-primary);
            border-bottom: 1px solid var(--c-border-gold);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 18px rgba(7, 26, 18, 0.2);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            color: #FFFFFF;
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: 0.02em;
        }

        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--c-accent-gold), #B89020);
            color: var(--c-primary-dark);
            font-weight: 900;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 1.5rem;
        }

        .nav-menu a {
            color: #E2E8E4;
            font-size: 0.95rem;
            font-weight: 500;
            padding: 0.35rem 0.2rem;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--c-accent-gold);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--c-accent-gold);
        }

        .header-action .btn-header-cta {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.25rem;
            background-color: var(--c-accent-gold);
            color: var(--c-primary-dark);
            font-size: 0.88rem;
            font-weight: 700;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-accent-gold);
            transition: var(--transition-smooth);
        }

        .header-action .btn-header-cta:hover {
            background-color: #E5C358;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(212, 175, 55, 0.35);
        }

        /* 基础按钮与徽章系统 */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            background-color: var(--c-accent-gold);
            color: var(--c-primary-dark);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-accent-gold);
            box-shadow: 0 3px 10px rgba(0,0,0,0.1);
        }

        .btn-gold:hover {
            background-color: #E2BF48;
            color: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(212, 175, 55, 0.4);
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            background-color: transparent;
            color: var(--c-accent-gold);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-accent-gold);
        }

        .btn-outline-gold:hover {
            background-color: rgba(212, 175, 55, 0.12);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .btn-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            background-color: var(--c-primary);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 1px solid var(--c-primary);
        }

        .btn-dark:hover {
            background-color: var(--c-primary-light);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: var(--shadow-subtle);
        }

        .pill-badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
        }

        .badge-gold {
            background-color: rgba(212, 175, 55, 0.15);
            color: #8E7010;
            border: 1px solid rgba(212, 175, 55, 0.35);
        }

        .badge-green {
            background-color: rgba(123, 177, 66, 0.15);
            color: #4C7524;
            border: 1px solid rgba(123, 177, 66, 0.35);
        }

        /* 页面专有板块样式 */
        .category-hero {
            background: linear-gradient(180deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
            color: #FFFFFF;
            padding: 3.5rem 0 3rem;
            border-bottom: 1px solid rgba(212, 175, 55, 0.2);
        }

        .breadcrumb-trail {
            font-size: 0.88rem;
            color: #A3B8AD;
            margin-bottom: 1.25rem;
        }

        .breadcrumb-trail a {
            color: #D4AF37;
        }

        .breadcrumb-trail span {
            margin: 0 0.5rem;
            color: #6C8276;
        }

        .category-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #F0F4F1;
            line-height: 1.3;
            margin-bottom: 1rem;
            letter-spacing: -0.02em;
        }

        .category-lead {
            font-size: 1.05rem;
            color: #C1CCC5;
            max-width: 680px;
            margin-bottom: 1.5rem;
        }

        /* 首屏状态条与指标矩阵 */
        .telemetry-status-bar {
            background-color: rgba(7, 26, 18, 0.65);
            border: 1px solid rgba(212, 175, 55, 0.25);
            border-radius: var(--radius-md);
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .status-indicator {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #FFFFFF;
        }

        .pulse-dot {
            width: 10px;
            height: 10px;
            background-color: var(--c-accent-green);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--c-accent-green);
        }

        .metrics-mini-grid {
            display: flex;
            gap: 2rem;
            align-items: center;
        }

        .mini-stat {
            display: flex;
            flex-direction: column;
        }

        .mini-stat-label {
            font-size: 0.75rem;
            color: #8CA094;
            text-transform: uppercase;
        }

        .mini-stat-value {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--c-accent-gold);
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
        }

        /* 筛选标签条 */
        .filter-section {
            padding: 1.75rem 0;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--c-border);
        }

        .filter-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .filter-label {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--c-text-main);
        }

        .filter-chip {
            display: inline-block;
            padding: 0.35rem 0.95rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--c-text-body);
            background-color: var(--c-bg-light);
            border: 1px solid var(--c-border);
            cursor: pointer;
            transition: var(--transition-smooth);
        }

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

        .filter-chip.active {
            box-shadow: 0 2px 8px rgba(12, 43, 30, 0.25);
        }

        /* 核心网格卡片板块 */
        .content-grid-section {
            padding: 4rem 0;
        }

        .section-header {
            margin-bottom: 2.5rem;
        }

        .section-subtitle {
            font-size: 0.85rem;
            font-weight: 800;
            color: #8E7010;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 0.4rem;
        }

        .section-heading {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--c-text-main);
            margin: 0;
        }

        .dispatch-card {
            background-color: var(--c-card-bg);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .dispatch-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-elevated);
            border-color: rgba(212, 175, 55, 0.4);
        }

        .card-header-bar {
            background: linear-gradient(135deg, #123325, var(--c-primary));
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid var(--c-border-gold);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .card-region {
            color: #FFFFFF;
            font-size: 1.05rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .card-body {
            padding: 1.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--c-text-main);
            margin-bottom: 0.85rem;
            line-height: 1.4;
        }

        .card-desc {
            font-size: 0.92rem;
            color: var(--c-text-body);
            line-height: 1.7;
            margin-bottom: 1.25rem;
            flex-grow: 1;
        }

        .card-metrics-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.5rem;
            padding: 0.85rem 0;
            border-top: 1px solid var(--c-border);
            border-bottom: 1px solid var(--c-border);
            margin-bottom: 1.25rem;
            text-align: center;
        }

        .card-metric-item .cm-label {
            font-size: 0.72rem;
            color: var(--c-text-muted);
            display: block;
        }

        .card-metric-item .cm-val {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-primary);
        }

        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
        }

        .latency-tag {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--c-accent-green);
        }

        .btn-card-action {
            display: inline-flex;
            align-items: center;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--c-primary);
            border-bottom: 1px solid var(--c-primary);
            padding-bottom: 2px;
        }

        .btn-card-action:hover {
            color: var(--c-accent-gold);
            border-color: var(--c-accent-gold);
        }

        /* 监控看板板块 */
        .telemetry-board-section {
            background-color: #FFFFFF;
            padding: 4rem 0;
            border-top: 1px solid var(--c-border);
            border-bottom: 1px solid var(--c-border);
        }

        .telemetry-table-wrapper {
            background-color: var(--c-bg-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow-x: auto;
        }

        .telemetry-table {
            width: 100%;
            margin: 0;
            border-collapse: collapse;
            background: transparent;
        }

        .telemetry-table th {
            background-color: var(--c-primary);
            color: #FFFFFF;
            font-size: 0.88rem;
            font-weight: 700;
            padding: 1rem 1.25rem;
            text-align: left;
            border: none;
        }

        .telemetry-table td {
            padding: 1rem 1.25rem;
            font-size: 0.9rem;
            color: var(--c-text-body);
            border-bottom: 1px solid var(--c-border);
            vertical-align: middle;
        }

        .telemetry-table tr:last-child td {
            border-bottom: none;
        }

        .progress-bar-container {
            width: 100%;
            max-width: 140px;
            height: 8px;
            background-color: rgba(12, 43, 30, 0.1);
            border-radius: 4px;
            overflow: hidden;
            display: inline-block;
            vertical-align: middle;
            margin-right: 0.5rem;
        }

        .progress-fill {
            height: 100%;
            background-color: var(--c-accent-green);
            border-radius: 4px;
        }

        /* 接入规范与技术指南 */
        .specs-section {
            padding: 4.5rem 0;
            background-color: var(--c-bg-light);
        }

        .spec-box {
            background-color: #FFFFFF;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 2rem;
            box-shadow: var(--shadow-subtle);
            height: 100%;
        }

        .spec-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background-color: rgba(12, 43, 30, 0.05);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-primary);
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 1.25rem;
            border: 1px solid rgba(12, 43, 30, 0.1);
        }

        .spec-box h4 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--c-text-main);
            margin-bottom: 0.75rem;
        }

        .spec-box p {
            font-size: 0.92rem;
            color: var(--c-text-body);
            line-height: 1.75;
            margin: 0;
        }

        .spec-list {
            margin: 1rem 0 0;
            padding-left: 1.25rem;
            color: var(--c-text-muted);
            font-size: 0.88rem;
        }

        .spec-list li {
            margin-bottom: 0.4rem;
        }

        /* 分类专享疑难解答 FAQ */
        .faq-section {
            padding: 4.5rem 0;
            background-color: #FFFFFF;
            border-top: 1px solid var(--c-border);
        }

        .faq-card {
            background-color: var(--c-bg-light);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            margin-bottom: 1.5rem;
            transition: var(--transition-smooth);
        }

        .faq-card:hover {
            border-color: var(--c-accent-gold);
            background-color: #FFFFFF;
            box-shadow: var(--shadow-subtle);
        }

        .faq-question {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--c-text-main);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: flex-start;
            gap: 0.6rem;
        }

        .faq-q-badge {
            color: var(--c-accent-gold);
            font-weight: 900;
        }

        .faq-answer {
            font-size: 0.95rem;
            color: var(--c-text-body);
            line-height: 1.8;
            margin: 0;
            padding-left: 1.75rem;
        }

        /* 建议与反馈转化条 */
        .feedback-cta-section {
            padding: 3.5rem 0;
            background: linear-gradient(135deg, var(--c-primary-light), var(--c-primary));
            color: #FFFFFF;
        }

        .feedback-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 2rem;
        }

        .feedback-text h3 {
            font-size: 1.6rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 0.5rem;
        }

        .feedback-text p {
            font-size: 0.95rem;
            color: #C1CCC5;
            margin: 0;
            max-width: 650px;
        }

        /* 页脚 Footer */
        .site-footer {
            background-color: var(--c-primary-dark);
            color: #A6B4AC;
            padding: 4rem 0 2rem;
            border-top: 2px solid var(--c-accent-gold);
        }

        .footer-brand h4 {
            color: #FFFFFF;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.75;
            color: #8C9E94;
        }

        .footer-nav-title {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            position: relative;
            padding-bottom: 0.5rem;
        }

        .footer-nav-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background-color: var(--c-accent-gold);
        }

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

        .footer-links li {
            margin-bottom: 0.65rem;
        }

        .footer-links a {
            color: #8C9E94;
            font-size: 0.88rem;
        }

        .footer-links a:hover {
            color: var(--c-accent-gold);
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 3.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            color: #6C7F74;
        }

        @media screen and (max-width: 768px) {
            .header-inner {
                flex-direction: column;
                gap: 1rem;
            }
            .nav-menu {
                flex-wrap: wrap;
                justify-content: center;
                gap: 1rem;
            }
            .category-title {
                font-size: 1.65rem;
            }
            .telemetry-status-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .metrics-mini-grid {
                width: 100%;
                justify-content: space-between;
                gap: 1rem;
            }
            .feedback-inner {
                flex-direction: column;
                text-align: left;
            }
            .feedback-inner .btn-gold {
                width: 100%;
            }
        }