/* roulang page: index */
/* ==================== 设计变量与重置系统 ==================== */
        :root {
            --bg-deep: #0B0E14;
            --bg-surface: #111620;
            --bg-card: #161D2A;
            --border-tactical: #222C3D;
            --border-focus: #FF6B00;
            --primary: #FF6B00;
            --primary-hover: #FF8C00;
            --primary-glow: rgba(255, 107, 0, 0.25);
            --accent-yellow: #E5A910;
            --text-primary: #FFFFFF;
            --text-secondary: #9AA7B9;
            --text-muted: #62758D;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", Monaco, "JetBrains Mono", Consolas, monospace;
            --max-w: 1240px;
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        html {
            scroll-behavior: smooth;
            background-color: var(--bg-deep);
            color: var(--text-primary);
            font-family: var(--font-main);
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            min-height: 100vh;
            background-color: var(--bg-deep);
            background-image: 
                linear-gradient(rgba(34, 44, 61, 0.2) 1px, transparent 1px),
                linear-gradient(90deg, rgba(34, 44, 61, 0.2) 1px, transparent 1px);
            background-size: 40px 40px;
            background-position: center top;
            overflow-x: hidden;
        }

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

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

        button, input {
            font-family: inherit;
            outline: none;
        }

        /* ==================== 战术通用组件与排版 ==================== */
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        .mono-tag {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }

        .tactical-border {
            border: 1px solid var(--border-tactical);
            position: relative;
        }

        .tactical-border::before, .tactical-border::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 6px;
            border-color: var(--primary);
            pointer-events: none;
        }
        .tactical-border::before {
            top: -1px;
            left: -1px;
            border-top: 2px solid var(--primary);
            border-left: 2px solid var(--primary);
        }
        .tactical-border::after {
            bottom: -1px;
            right: -1px;
            border-bottom: 2px solid var(--primary);
            border-right: 2px solid var(--primary);
        }

        .section-header {
            margin-bottom: 2.5rem;
            position: relative;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--accent-yellow);
            font-size: 0.8125rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .section-tag::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--accent-yellow);
        }
        .section-title {
            font-size: 1.875rem;
            font-weight: 800;
            color: var(--text-primary);
            border-left: 4px solid var(--primary);
            padding-left: 14px;
            letter-spacing: -0.02em;
        }
        .section-desc {
            color: var(--text-secondary);
            margin-top: 10px;
            font-size: 0.95rem;
            max-width: 840px;
            line-height: 1.7;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--primary);
            color: #000000;
            font-weight: 700;
            font-size: 0.9375rem;
            padding: 12px 24px;
            border-radius: 2px;
            border: 1px solid var(--primary);
            cursor: pointer;
            box-shadow: 0 4px 15px var(--primary-glow);
            transition: var(--transition);
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(22, 29, 42, 0.7);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 0.9375rem;
            padding: 12px 24px;
            border-radius: 2px;
            border: 1px solid var(--border-tactical);
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--bg-card);
        }

        .badge-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 2px 8px;
            font-size: 0.75rem;
            font-family: var(--font-mono);
            border-radius: 2px;
            background: rgba(229, 169, 16, 0.1);
            color: var(--accent-yellow);
            border: 1px solid rgba(229, 169, 16, 0.3);
        }
        .badge-status.live::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #00FF66;
            box-shadow: 0 0 8px #00FF66;
        }

        /* ==================== 战术顶部导航 ==================== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 14, 20, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-tactical);
            height: 68px;
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .logo-crosshair {
            width: 34px;
            height: 34px;
            border: 1px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            background: rgba(255, 107, 0, 0.08);
        }
        .logo-crosshair::before {
            content: '';
            width: 14px;
            height: 1px;
            background: var(--primary);
            position: absolute;
        }
        .logo-crosshair::after {
            content: '';
            width: 1px;
            height: 14px;
            background: var(--primary);
            position: absolute;
        }
        .brand-text {
            font-size: 1.15rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--text-primary);
        }
        .brand-text span {
            color: var(--primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-item a {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-secondary);
            position: relative;
            padding: 8px 0;
        }
        .nav-item a:hover, .nav-item.active a {
            color: var(--text-primary);
        }
        .nav-item.active a::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
        }

        .nav-tools {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 6px 12px;
            gap: 8px;
            width: 220px;
        }
        .nav-search input {
            background: transparent;
            border: none;
            color: var(--text-primary);
            font-size: 0.8125rem;
            width: 100%;
        }
        .kbd-shortcut {
            font-family: var(--font-mono);
            font-size: 0.6875rem;
            background: var(--border-tactical);
            color: var(--text-muted);
            padding: 2px 4px;
            border-radius: 2px;
        }

        /* ==================== 板块容器间距 ==================== */
        .page-sector {
            padding: 70px 0;
            border-bottom: 1px solid rgba(34, 44, 61, 0.6);
        }

        /* 1. Hero 板块 */
        .hero-sector {
            padding: 60px 0 80px 0;
            position: relative;
            background: radial-gradient(circle at 80% 20%, rgba(255, 107, 0, 0.08) 0%, transparent 60%);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 40px;
            align-items: center;
        }
        .hero-left h1 {
            font-size: 2.75rem;
            line-height: 1.15;
            font-weight: 900;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }
        .hero-left h1 .keyword-highlight {
            color: var(--primary);
            text-shadow: 0 0 25px rgba(255, 107, 0, 0.35);
        }
        .hero-pitch {
            color: var(--text-secondary);
            font-size: 1.05rem;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 32px;
        }
        .hero-badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 6px 14px;
            font-size: 0.8125rem;
            color: var(--text-secondary);
        }
        .hero-badge-pill strong {
            color: var(--text-primary);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* Hero 右侧拟真 HUD 终端 */
        .tactical-hud-panel {
            background: var(--bg-surface);
            padding: 24px;
        }
        .hud-panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-tactical);
            padding-bottom: 12px;
            margin-bottom: 16px;
        }
        .hud-screen-preview {
            position: relative;
            background: #000000;
            height: 220px;
            border: 1px solid var(--border-tactical);
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hud-screen-preview img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.5;
        }
        .hud-overlay-grid {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255,107,0,0.1) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(255,107,0,0.1) 1px, transparent 1px);
            background-size: 20px 20px;
            pointer-events: none;
        }
        .hud-live-tag {
            position: absolute;
            top: 12px;
            left: 12px;
        }
        .hud-stream-metrics {
            margin-top: 16px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            text-align: center;
        }
        .stream-metric-box {
            background: var(--bg-card);
            border: 1px solid var(--border-tactical);
            padding: 10px 6px;
        }
        .metric-box-val {
            font-family: var(--font-mono);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
        }
        .metric-box-lbl {
            font-size: 0.6875rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* 2. 痛点分析 Sector */
        .painpoint-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .pain-card {
            background: var(--bg-surface);
            padding: 24px;
            border-left: 3px solid #E03E3E;
        }
        .pain-index {
            font-family: var(--font-mono);
            color: #E03E3E;
            font-size: 0.8125rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .pain-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .pain-desc {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 3. 解决方案 Sector */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .solution-card {
            background: var(--bg-card);
            padding: 30px 24px;
            border: 1px solid var(--border-tactical);
            transition: var(--transition);
        }
        .solution-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .solution-icon {
            width: 44px;
            height: 44px;
            background: rgba(255, 107, 0, 0.1);
            border: 1px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: var(--primary);
            font-family: var(--font-mono);
            margin-bottom: 20px;
        }
        .solution-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
        }
        .solution-card p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* 4. 场景矩阵 Sector */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .scenario-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 24px 20px;
        }
        .scenario-tag {
            color: var(--primary);
            font-family: var(--font-mono);
            font-size: 0.75rem;
            margin-bottom: 8px;
        }
        .scenario-item h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        .scenario-item p {
            color: var(--text-secondary);
            font-size: 0.875rem;
            line-height: 1.6;
        }

        /* 5. 核心资源矩阵 Sector */
        .content-matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .media-card {
            background: var(--bg-card);
            border: 1px solid var(--border-tactical);
            overflow: hidden;
            transition: var(--transition);
        }
        .media-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .media-poster-box {
            position: relative;
            height: 260px;
            background: #0f141d;
            overflow: hidden;
        }
        .media-poster-box svg {
            width: 100%;
            height: 100%;
        }
        .poster-tactical-badges {
            position: absolute;
            top: 10px;
            left: 10px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .poster-badge {
            font-family: var(--font-mono);
            font-size: 0.6875rem;
            font-weight: 700;
            padding: 2px 6px;
            border-radius: 1px;
            background: rgba(11, 14, 20, 0.85);
            color: #ffffff;
            border-left: 2px solid var(--primary);
        }
        .poster-badge.accent {
            border-left-color: var(--accent-yellow);
            color: var(--accent-yellow);
        }
        .media-info {
            padding: 16px;
        }
        .media-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 6px;
        }
        .media-meta-row {
            display: flex;
            justify-content: space-between;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            font-family: var(--font-mono);
        }
        .media-desc {
            font-size: 0.8125rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 14px;
            height: 38px;
            overflow: hidden;
        }
        .matrix-more-wrap {
            margin-top: 36px;
            text-align:center;
        }

        /* 6. 方法步骤 Sector */
        .step-timeline-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            position: relative;
        }
        .step-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 30px 24px;
            position: relative;
        }
        .step-index-tag {
            font-family: var(--font-mono);
            font-size: 2.25rem;
            font-weight: 900;
            color: rgba(255, 107, 0, 0.2);
            line-height: 1;
            margin-bottom: 12px;
        }
        .step-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .step-card p {
            color: var(--text-secondary);
            font-size: 0.875rem;
            line-height: 1.6;
        }

        /* 7. 成果数据 Sector */
        .dashboard-metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-stat-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 24px;
            text-align: center;
        }
        .metric-stat-num {
            font-family: var(--font-mono);
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }
        .metric-stat-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .metric-stat-detail {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        /* 8. 特色专题 Sector */
        .featured-radar-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }
        .radar-main-spotlight {
            background: var(--bg-card);
            border: 1px solid var(--border-tactical);
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .radar-side-stack {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .side-stack-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 18px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .side-item-title {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .side-item-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
        }

        /* 9. 多端兼容 Sector */
        .device-cross-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .device-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 24px;
            text-align: center;
        }
        .device-icon-box {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            color: var(--accent-yellow);
            margin-bottom: 14px;
        }
        .device-card h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .device-card p {
            font-size: 0.8125rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 10. 客户证言 Sector */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .log-note-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 24px;
            position: relative;
        }
        .log-header {
            display: flex;
            justify-content: space-between;
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px dashed var(--border-tactical);
        }
        .log-text {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .log-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .log-avatar-tag {
            width: 32px;
            height: 32px;
            background: rgba(255, 107, 0, 0.15);
            color: var(--primary);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-family: var(--font-mono);
        }
        .author-id {
            font-size: 0.8125rem;
            font-weight: 700;
        }
        .author-device {
            font-size: 0.6875rem;
            color: var(--text-muted);
        }

        /* 11. 资讯与排期 Sector */
        .news-schedule-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .schedule-entry {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .entry-date-badge {
            font-family: var(--font-mono);
            font-size: 0.8125rem;
            color: var(--accent-yellow);
            min-width: 90px;
        }
        .entry-title {
            font-weight: 700;
            font-size: 0.95rem;
            flex: 1;
            padding: 0 16px;
        }
        .entry-tag {
            font-size: 0.75rem;
            padding: 3px 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-tactical);
            color: var(--text-secondary);
        }
        .news-side-card {
            background: var(--bg-card);
            border: 1px solid var(--border-tactical);
            padding: 24px;
        }
        .news-side-card h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
        }
        .news-side-card p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* 12. 网络状态指标 Sector */
        .node-status-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .node-item-box {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 18px;
        }
        .node-top-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
        }
        .node-name {
            font-weight: 700;
            font-size: 0.95rem;
        }
        .node-ping-val {
            font-family: var(--font-mono);
            font-size: 0.8125rem;
            color: #00FF66;
        }
        .node-load-bar {
            height: 4px;
            background: var(--border-tactical);
            border-radius: 2px;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .node-load-fill {
            height: 100%;
            background: var(--primary);
        }
        .node-meta {
            font-size: 0.6875rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
            display: flex;
            justify-content: space-between;
        }

        /* 13. 常见疑问 FAQ Sector */
        .faq-accordion-wrap {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-tactical);
            padding: 20px 24px;
        }
        .faq-q {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-q-prefix {
            font-family: var(--font-mono);
            color: var(--primary);
            font-weight: 900;
        }
        .faq-a {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding-left: 28px;
        }

        /* 14. 终极转化 CTA Sector */
        .action-final-sector {
            padding: 80px 0;
            background: radial-gradient(circle at center, rgba(255, 107, 0, 0.12) 0%, rgba(11, 14, 20, 0.98) 75%);
            border-bottom: none;
        }
        .action-final-box {
            background: var(--bg-surface);
            border: 1px solid var(--primary);
            box-shadow: 0 0 30px rgba(255, 107, 0, 0.15);
            padding: 50px 40px;
            text-align: center;
            max-width: 960px;
            margin: 0 auto;
            position: relative;
        }
        .action-final-title {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .action-final-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 720px;
            margin: 0 auto 30px auto;
            line-height: 1.75;
        }
        .action-btn-row {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ==================== 战术页脚 ==================== */
        .site-footer {
            background: #080A0F;
            border-top: 1px solid var(--border-tactical);
            padding: 60px 0 30px 0;
            font-size: 0.875rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h4 {
            font-size: 1.15rem;
            font-weight: 900;
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 0.8125rem;
            max-width: 320px;
        }
        .footer-col h5 {
            color: var(--text-primary);
            font-size: 0.9375rem;
            font-weight: 700;
            margin-bottom: 18px;
            border-left: 2px solid var(--primary);
            padding-left: 8px;
        }
        .footer-links-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links-list a {
            color: var(--text-muted);
            font-size: 0.8125rem;
        }
        .footer-links-list a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(34, 44, 61, 0.4);
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-muted);
            font-size: 0.75rem;
            font-family: var(--font-mono);
        }

        /* ==================== 移动端断点适配 ==================== */
        @media (max-width: 1024px) {
            .hero-grid { grid-template-columns: 1fr; }
            .painpoint-grid, .scenario-grid, .content-matrix-grid, .dashboard-metrics-grid, .device-cross-grid, .node-status-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .featured-radar-grid, .news-schedule-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .nav-search { display: none; }
        }

        @media (max-width: 768px) {
            .site-header { height: auto; padding: 12px 0; }
            .nav-wrapper { flex-direction: column; gap: 12px; }
            .nav-links { gap: 16px; flex-wrap: wrap; justify-content: center; }
            .hero-left h1 { font-size: 2rem; }
            .section-title { font-size: 1.5rem; }
            .painpoint-grid, .scenario-grid, .content-matrix-grid, .solution-grid, .step-timeline-grid, .dashboard-metrics-grid, .testimonial-grid, .device-cross-grid, .node-status-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
            .action-final-box { padding: 30px 20px; }
            .action-final-title { font-size: 1.6rem; }
        }

/* roulang page: category1 */
:root {
    --bg-deep: #0B0E14;
    --bg-surface: #111620;
    --bg-card: #161D2A;
    --border-tactical: #222C3D;
    --border-focus: #FF6B00;
    --primary: #FF6B00;
    --primary-hover: #FF8C00;
    --primary-glow: rgba(255, 107, 0, 0.25);
    --accent-yellow: #E5A910;
    --text-primary: #FFFFFF;
    --text-secondary: #9AA7B9;
    --text-muted: #62758D;
    --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    --font-mono: "SF Mono", Monaco, "JetBrains Mono", Consolas, monospace;
    --max-w: 1240px;
    --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  }
  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  html {
    scroll-behavior: smooth;
    background-color: var(--bg-deep);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 16px;
    line-height: 1.6;
  }
  body {
    min-height: 100vh;
    background-color: var(--bg-deep);
    background-image: 
      linear-gradient(rgba(34, 44, 61, 0.2) 1px, transparent 1px),
      linear-gradient(90deg, rgba(34, 44, 61, 0.2) 1px, transparent 1px);
    background-size: 40px 40px;
    background-position: center top;
    overflow-x: hidden;
  }
  a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
  }
  img {
    max-width: 100%;
    display: block;
  }
  button, input, select {
    font-family: inherit;
    outline: none;
    border: none;
    background: none;
  }
  .container {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 20px;
  }
  .mono-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }
  .tactical-border {
    border: 1px solid var(--border-tactical);
    position: relative;
    background: var(--bg-card);
  }
  .tactical-border::before, .tactical-border::after {
    content: '';
    position: absolute;
    width: 6px;
    height: 6px;
    pointer-events: none;
  }
  .tactical-border::before {
    top: -1px;
    left: -1px;
    border-top: 2px solid var(--primary);
    border-left: 2px solid var(--primary);
  }
  .tactical-border::after {
    bottom: -1px;
    right: -1px;
    border-bottom: 2px solid var(--primary);
    border-right: 2px solid var(--primary);
  }
  .section-header {
    margin-bottom: 2.25rem;
    position: relative;
  }
  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-yellow);
    font-size: 0.8125rem;
    font-weight: 700;
    margin-bottom: 8px;
  }
  .section-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--accent-yellow);
  }
  .section-title {
    font-size: 1.875rem;
    font-weight: 800;
    color: var(--text-primary);
    border-left: 4px solid var(--primary);
    padding-left: 14px;
    letter-spacing: -0.02em;
  }
  .section-desc {
    color: var(--text-secondary);
    margin-top: 10px;
    font-size: 0.95rem;
    max-width: 840px;
    line-height: 1.7;
  }
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--primary);
    color: #000000;
    font-weight: 700;
    font-size: 0.9375rem;
    padding: 12px 24px;
    border-radius: 2px;
    border: 1px solid var(--primary);
    cursor: pointer;
    box-shadow: 0 4px 15px var(--primary-glow);
    transition: var(--transition);
  }
  .btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 107, 0, 0.4);
  }
  .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(22, 29, 42, 0.7);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.9375rem;
    padding: 12px 24px;
    border-radius: 2px;
    border: 1px solid var(--border-tactical);
    cursor: pointer;
    transition: var(--transition);
  }
  .btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--bg-card);
  }
  .badge-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 8px;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    border-radius: 2px;
    background: rgba(229, 169, 16, 0.1);
    color: var(--accent-yellow);
    border: 1px solid rgba(229, 169, 16, 0.3);
  }
  .badge-status.live::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #00FF66;
    box-shadow: 0 0 8px #00FF66;
  }
  .badge-resolution {
    background: #111620;
    color: #00FF66;
    border: 1px solid rgba(0, 255, 102, 0.3);
    padding: 2px 6px;
    font-size: 0.7rem;
    font-family: var(--font-mono);
  }

  /* 顶部导航 */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 14, 20, 0.92);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-tactical);
    height: 68px;
  }
  .nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
  }
  .logo-crosshair {
    width: 28px;
    height: 28px;
    border: 2px solid var(--primary);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .logo-crosshair::before, .logo-crosshair::after {
    content: '';
    position: absolute;
    background: var(--primary);
  }
  .logo-crosshair::before { width: 100%; height: 2px; }
  .logo-crosshair::after { height: 100%; width: 2px; }
  .brand-text {
    font-size: 1.125rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    color: var(--text-primary);
  }
  .brand-text span {
    color: var(--primary);
  }
  .nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
    margin-left: 36px;
  }
  .nav-item a {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 8px 0;
    position: relative;
  }
  .nav-item.active a, .nav-item a:hover {
    color: var(--text-primary);
  }
  .nav-item.active a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--primary);
    box-shadow: 0 0 8px var(--primary);
  }
  .nav-tools {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .nav-search {
    display: flex;
    align-items: center;
    background: var(--bg-surface);
    border: 1px solid var(--border-tactical);
    padding: 6px 12px;
    border-radius: 2px;
    width: 220px;
    gap: 8px;
  }
  .nav-search input {
    color: var(--text-secondary);
    font-size: 0.8125rem;
    width: 100%;
    cursor: default;
  }
  .kbd-shortcut {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    background: var(--bg-card);
    border: 1px solid var(--border-tactical);
    padding: 1px 5px;
    border-radius: 2px;
    color: var(--text-muted);
  }

  /* 分类页板块间距 */
  .sector-space {
    padding: 60px 0;
    border-bottom: 1px solid rgba(34, 44, 61, 0.4);
  }

  /* Sector 1: 分类标头 */
  .category-hero {
    padding: 48px 0 40px;
    background: linear-gradient(180deg, rgba(17, 22, 32, 0.9) 0%, rgba(11, 14, 20, 0.6) 100%);
    border-bottom: 1px solid var(--border-tactical);
    position: relative;
  }
  .category-header-box {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }
  .category-h1 {
    font-size: 2.25rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 14px;
  }
  .category-h1::before {
    content: '[SEC-01]';
    font-family: var(--font-mono);
    font-size: 1rem;
    color: var(--primary);
    font-weight: 600;
    border: 1px solid rgba(255, 107, 0, 0.4);
    padding: 2px 8px;
    background: rgba(255, 107, 0, 0.08);
  }
  .hero-meta-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    padding: 14px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border-tactical);
  }
  .meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
  }
  .meta-item strong {
    color: var(--text-primary);
    font-family: var(--font-mono);
  }

  /* Sector 2: 多维筛选矩阵中控台 */
  .filter-panel {
    background: var(--bg-surface);
    padding: 24px;
  }
  .filter-row {
    display: flex;
    align-items: flex-start;
    padding: 12px 0;
    border-bottom: 1px dashed rgba(34, 44, 61, 0.7);
  }
  .filter-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
  .filter-label {
    width: 90px;
    font-size: 0.8125rem;
    color: var(--accent-yellow);
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
    padding-top: 4px;
  }
  .filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
  }
  .filter-opt {
    padding: 5px 14px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: var(--bg-card);
    border: 1px solid var(--border-tactical);
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
  }
  .filter-opt:hover {
    border-color: var(--text-muted);
    color: var(--text-primary);
  }
  .filter-opt.active {
    background: rgba(255, 107, 0, 0.15);
    border-color: var(--primary);
    color: var(--primary);
    font-weight: 700;
  }

  /* Sector 3: 卡片网格流 */
  .media-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
  }
  .media-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-tactical);
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: var(--transition);
  }
  .media-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  }
  .media-thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    background: #141A24;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .thumb-mock-bg {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #1A2230 0%, #0F151D 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
  }
  .thumb-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(rgba(255, 107, 0, 0.1) 1px, transparent 1px);
    background-size: 16px 16px;
  }
  .thumb-signal {
    font-family: var(--font-mono);
    font-size: 2.2rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.08);
    letter-spacing: 2px;
  }
  .thumb-tags {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    pointer-events: none;
  }
  .media-body {
    padding: 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }
  .media-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    line-height: 1.4;
  }
  .media-desc-brief {
    font-size: 0.8125rem;
    color: var(--text-muted);
    line-height: 1.5;
    margin-bottom: 12px;
  }
  .media-specs {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid rgba(34, 44, 61, 0.5);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
  }
  .media-action {
    margin-top: 12px;
  }
  .btn-play-trigger {
    width: 100%;
    padding: 8px 0;
    background: var(--bg-card);
    border: 1px solid var(--border-tactical);
    color: var(--text-primary);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
  }
  .media-card:hover .btn-play-trigger {
    background: var(--primary);
    color: #000;
    border-color: var(--primary);
  }

  /* 分页条与查看更多 */
  .pagination-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 40px;
    padding: 16px 20px;
    background: var(--bg-surface);
    border: 1px solid var(--border-tactical);
  }
  .page-numbers {
    display: flex;
    gap: 8px;
  }
  .page-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-tactical);
    background: var(--bg-card);
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: var(--transition);
  }
  .page-btn.active, .page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
  }
  .more-entry-link {
    font-size: 0.875rem;
    color: var(--accent-yellow);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
  }
  .more-entry-link:hover {
    color: #fff;
  }

  /* Sector 4: 热播战术跑道 */
  .ranking-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-surface);
    border: 1px solid var(--border-tactical);
  }
  .ranking-table th {
    background: #0E121B;
    text-align: left;
    padding: 14px 20px;
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-tactical);
  }
  .ranking-table td {
    padding: 16px 20px;
    border-bottom: 1px solid rgba(34, 44, 61, 0.4);
    font-size: 0.875rem;
  }
  .ranking-table tr:hover td {
    background: rgba(22, 29, 42, 0.6);
  }
  .rank-num {
    font-family: var(--font-mono);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--text-muted);
  }
  .rank-top3 {
    color: var(--primary);
  }
  .rank-title {
    font-weight: 700;
    color: var(--text-primary);
  }
  .rank-badge {
    padding: 2px 6px;
    font-size: 0.75rem;
    background: rgba(255, 107, 0, 0.1);
    color: var(--primary);
    border: 1px solid rgba(255, 107, 0, 0.3);
  }

  /* Sector 5: 解析参数与技术指标 */
  .spec-metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .metric-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-tactical);
    padding: 24px;
    position: relative;
  }
  .metric-card h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .metric-card h4::before {
    content: '';
    width: 4px;
    height: 16px;
    background: var(--primary);
  }
  .metric-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
  }
  .metric-param-list {
    list-style: none;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-yellow);
    border-top: 1px dashed var(--border-tactical);
    padding-top: 12px;
  }
  .metric-param-list li {
    margin-bottom: 6px;
    display: flex;
    justify-content: space-between;
  }

  /* Sector 6: 排障指南 SOP */
  .sop-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .sop-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-tactical);
    padding: 24px;
  }
  .sop-step-tag {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--primary);
    font-weight: 700;
    margin-bottom: 8px;
    display: inline-block;
  }
  .sop-title {
    font-size: 1.05rem;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 12px;
  }
  .sop-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  /* Sector 7: 深度剧评与导视推荐 */
  .review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  .review-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-tactical);
    display: flex;
    flex-direction: column;
  }
  .review-header {
    padding: 20px;
    border-bottom: 1px solid rgba(34, 44, 61, 0.5);
  }
  .review-meta {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--accent-yellow);
    margin-bottom: 6px;
  }
  .review-title {
    font-size: 1.1rem;
    color: var(--text-primary);
    font-weight: 700;
    line-height: 1.4;
  }
  .review-content {
    padding: 20px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.7;
    flex: 1;
  }
  .review-footer {
    padding: 12px 20px;
    background: var(--bg-card);
    border-top: 1px solid var(--border-tactical);
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
  }

  /* Sector 8: 底部行动舱 */
  .category-cta-box {
    background: linear-gradient(180deg, #161D2A 0%, #0E131C 100%);
    border: 1px solid var(--border-tactical);
    padding: 48px;
    text-align: center;
    position: relative;
  }
  .category-cta-box::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255, 107, 0, 0.2);
    pointer-events: none;
  }
  .cta-status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    background: rgba(0, 255, 102, 0.1);
    color: #00FF66;
    border: 1px solid rgba(0, 255, 102, 0.3);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    margin-bottom: 16px;
  }
  .category-cta-title {
    font-size: 2rem;
    font-weight: 800;
    color: #FFFFFF;
    margin-bottom: 14px;
    letter-spacing: -0.01em;
  }
  .category-cta-desc {
    max-width: 680px;
    margin: 0 auto 28px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
  }
  .cta-buttons {
    display: flex;
    justify-content: center;
    gap: 18px;
    flex-wrap: wrap;
  }

  /* 页脚样式 */
  .site-footer {
    background: #080B10;
    border-top: 1px solid var(--border-tactical);
    padding: 60px 0 30px;
    margin-top: 40px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
  }
  .footer-brand p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.7;
    max-width: 360px;
  }
  .footer-col h5 {
    font-size: 0.9375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 18px;
    letter-spacing: -0.01em;
  }
  .footer-links-list {
    list-style: none;
  }
  .footer-links-list li {
    margin-bottom: 10px;
  }
  .footer-links-list a {
    color: var(--text-muted);
    font-size: 0.8125rem;
  }
  .footer-links-list a:hover {
    color: var(--primary);
  }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 24px;
    border-top: 1px solid rgba(34, 44, 61, 0.6);
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
  }

  /* 响应式断点 */
  @media (max-width: 1024px) {
    .media-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .spec-metrics-grid, .sop-grid, .review-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }
  @media (max-width: 768px) {
    .nav-links, .nav-search {
      display: none;
    }
    .category-h1 {
      font-size: 1.6rem;
      flex-direction: column;
      align-items: flex-start;
      gap: 8px;
    }
    .media-grid {
      grid-template-columns: 1fr;
    }
    .spec-metrics-grid, .sop-grid, .review-grid {
      grid-template-columns: 1fr;
    }
    .ranking-table th:nth-child(4), .ranking-table td:nth-child(4),
    .ranking-table th:nth-child(5), .ranking-table td:nth-child(5) {
      display: none;
    }
    .filter-row {
      flex-direction: column;
      gap: 8px;
    }
    .footer-grid {
      grid-template-columns: 1fr;
    }
    .footer-bottom {
      flex-direction: column;
      gap: 12px;
      align-items: flex-start;
    }
    .category-cta-box {
      padding: 32px 20px;
    }
    .category-cta-title {
      font-size: 1.5rem;
    }
  }