/* roulang page: index */
:root {
      --bg-dark: #070B14;
      --bg-card: rgba(15, 23, 42, 0.65);
      --bg-card-alt: rgba(11, 18, 32, 0.85);
      --primary: #00D2FF;
      --primary-glow: rgba(0, 210, 255, 0.45);
      --accent: #7928CA;
      --emerald: #10B981;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --border-line: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(0, 210, 255, 0.3);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
    }
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 顶部导航 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(7, 11, 20, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      z-index: 999;
      border-bottom: 1px solid var(--border-line);
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo .dot {
      width: 10px;
      height: 10px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--primary);
    }
    .nav-list {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }
    .nav-item a {
      font-size: 15px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .nav-item a:hover, .nav-item.active a {
      color: var(--primary);
      text-shadow: 0 0 8px rgba(0, 210, 255, 0.3);
    }
    .timeline-chips {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: 20px;
      padding-left: 20px;
      border-left: 1px solid var(--border-line);
    }
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
      border: 1px solid rgba(255, 255, 255, 0.08);
      white-space: nowrap;
    }
    .chip-indicator {
      width: 6px;
      height: 6px;
      border-radius: 50%;
    }
    .chip.status-ready .chip-indicator {
      background: #F59E0B;
      box-shadow: 0 0 6px #F59E0B;
    }
    .chip.status-live {
      background: rgba(16, 185, 129, 0.12);
      border-color: rgba(16, 185, 129, 0.3);
      color: #10B981;
    }
    .chip.status-live .chip-indicator {
      background: #10B981;
      box-shadow: 0 0 8px #10B981;
      animation: pulse 1.8s infinite;
    }
    .chip.status-vod .chip-indicator {
      background: #A855F7;
      box-shadow: 0 0 6px #A855F7;
    }
    @keyframes pulse {
      0% { transform: scale(0.9); opacity: 0.7; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.9); opacity: 0.7; }
    }
    .header-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      color: #070B14;
      background: linear-gradient(135deg, #00D2FF 0%, #3B82F6 100%);
      border-radius: var(--radius-sm);
      box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
      border: none;
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 210, 255, 0.65);
      color: #000;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 14px;
      font-weight: 500;
      color: var(--primary);
      background: rgba(15, 23, 42, 0.65);
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-sm);
      cursor: pointer;
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      background: rgba(0, 210, 255, 0.12);
      border-color: var(--primary);
    }

    /* 板块通用 */
    main {
      padding-top: 72px;
    }
    section {
      padding: 90px 0;
      position: relative;
    }
    .section-dark-alt {
      background: linear-gradient(180deg, #070B14 0%, #0B1220 50%, #070B14 100%);
      border-top: 1px solid var(--border-line);
      border-bottom: 1px solid var(--border-line);
    }
    .section-header {
      max-width: 800px;
      margin: 0 auto 56px;
      text-align: center;
    }
    .badge-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 12px;
      border-radius: 999px;
      background: rgba(0, 210, 255, 0.1);
      color: var(--primary);
      border: 1px solid rgba(0, 210, 255, 0.25);
      margin-bottom: 16px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.3;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    .glass-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 210, 255, 0.3), transparent);
    }
    .glass-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-highlight);
      box-shadow: 0 25px 50px -12px rgba(0, 210, 255, 0.15);
    }

    /* 板块 1: Hero 自测选型问卷视觉 */
    .hero-section {
      min-height: calc(100vh - 72px);
      display: flex;
      align-items: center;
      position: relative;
      background: radial-gradient(circle at 75% 20%, rgba(121, 40, 202, 0.18) 0%, transparent 50%),
                  radial-gradient(circle at 25% 60%, rgba(0, 210, 255, 0.12) 0%, transparent 45%),
                  #070B14;
      background-image: linear-gradient(rgba(7, 11, 20, 0.88), rgba(7, 11, 20, 0.94)), url('/assets/images/953a388ec77ff8a0.webp');
      background-size: cover;
      background-position: center;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 48px;
      align-items: center;
    }
    .hero-content h1 {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #FFFFFF 30%, #94A3B8 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .hero-intro {
      font-size: 16px;
      color: var(--text-muted);
      margin-bottom: 32px;
      line-height: 1.8;
      max-width: 620px;
    }
    .hero-metrics-pill {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      margin-bottom: 32px;
    }
    .metric-item {
      display: flex;
      flex-direction: column;
    }
    .metric-item strong {
      font-size: 24px;
      color: var(--primary);
      font-weight: 700;
    }
    .metric-item span {
      font-size: 12px;
      color: var(--text-sub);
    }
    .hero-quiz-card {
      padding: 32px;
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(0, 210, 255, 0.25);
      border-radius: var(--radius-lg);
      box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7);
    }
    .quiz-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .quiz-title::before {
      content: '';
      width: 4px;
      height: 16px;
      background: var(--primary);
      border-radius: 2px;
    }
    .quiz-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 20px;
    }
    .quiz-form {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .quiz-group {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .quiz-label {
      font-size: 13px;
      font-weight: 500;
      color: var(--text-muted);
    }
    .quiz-select, .quiz-input {
      width: 100%;
      background: rgba(7, 11, 20, 0.75);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-sm);
      padding: 10px 14px;
      color: #fff;
      font-size: 14px;
      outline: none;
      transition: all 0.2s ease;
    }
    .quiz-select:focus, .quiz-input:focus {
      border-color: var(--primary);
      box-shadow: 0 0 12px rgba(0, 210, 255, 0.3);
    }
    .quiz-preview-box {
      margin-top: 10px;
      padding: 14px;
      border-radius: var(--radius-sm);
      background: rgba(0, 210, 255, 0.05);
      border: 1px dashed rgba(0, 210, 255, 0.3);
      font-size: 12px;
      color: var(--text-muted);
    }
    .quiz-preview-box strong {
      color: var(--primary);
    }

    /* 板块 2: 适用人群矩阵 */
    .audience-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .audience-card {
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
    }
    .audience-icon {
      font-size: 24px;
      margin-bottom: 16px;
      color: var(--primary);
    }
    .audience-card h3 {
      font-size: 18px;
      margin-bottom: 10px;
      color: #fff;
    }
    .audience-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 3: 谁适合 / 谁不适合 对比 */
    .fit-compare-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .fit-box {
      padding: 36px;
      border-radius: var(--radius-lg);
    }
    .fit-box.suitable {
      background: rgba(16, 185, 129, 0.04);
      border: 1px solid rgba(16, 185, 129, 0.2);
    }
    .fit-box.not-suitable {
      background: rgba(239, 68, 68, 0.04);
      border: 1px solid rgba(239, 68, 68, 0.2);
    }
    .fit-box-title {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .fit-box.suitable .fit-box-title { color: #10B981; }
    .fit-box.not-suitable .fit-box-title { color: #F87171; }
    .fit-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .fit-list li {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
      display: flex;
      align-items: flex-start;
      gap: 12px;
    }
    .fit-list li::before {
      content: '✔';
      color: #10B981;
      font-weight: bold;
    }
    .fit-box.not-suitable .fit-list li::before {
      content: '✕';
      color: #F87171;
    }

    /* 板块 4: 匹配方案矩阵 (原套餐价格 + 架构) */
    .scheme-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }
    .scheme-card {
      padding: 36px 30px;
      display: flex;
      flex-direction: column;
      position: relative;
    }
    .scheme-card.highlight {
      border: 1px solid var(--primary);
      box-shadow: 0 0 30px rgba(0, 210, 255, 0.25);
      transform: translateY(-8px);
    }
    .scheme-badge {
      position: absolute;
      top: 16px;
      right: 16px;
      font-size: 11px;
      padding: 3px 8px;
      border-radius: 4px;
      background: var(--primary);
      color: #070B14;
      font-weight: 700;
    }
    .scheme-title {
      font-size: 20px;
      color: #fff;
      margin-bottom: 8px;
    }
    .scheme-spec {
      font-size: 14px;
      color: var(--text-sub);
      margin-bottom: 24px;
      padding-bottom: 16px;
      border-bottom: 1px solid var(--border-line);
    }
    .scheme-features {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
      margin-bottom: 32px;
      flex-grow: 1;
    }
    .scheme-features li {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .scheme-features li::before {
      content: '•';
      color: var(--primary);
      font-size: 18px;
    }

    /* 板块 5: 专门分类入口板块 (扩展分类页分流) */
    .channel-banner {
      background: linear-gradient(135deg, rgba(121, 40, 202, 0.25) 0%, rgba(0, 210, 255, 0.15) 100%);
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-lg);
      padding: 48px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
    }
    .channel-text h3 {
      font-size: 26px;
      margin-bottom: 12px;
      color: #fff;
    }
    .channel-text p {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 720px;
      line-height: 1.7;
    }

    /* 板块 6: 核心技术参数演示与数据分析 */
    .stats-bar-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .stats-box {
      padding: 28px;
      text-align: center;
    }
    .stats-num {
      font-size: 38px;
      font-weight: 800;
      color: var(--primary);
      margin-bottom: 6px;
      font-family: monospace;
    }
    .stats-title {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 4px;
    }
    .stats-desc {
      font-size: 12px;
      color: var(--text-sub);
    }

    /* 板块 7: 实操视窗控制台演示 */
    .console-stage {
      border: 1px solid rgba(0, 210, 255, 0.25);
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: rgba(11, 18, 32, 0.95);
      box-shadow: 0 30px 60px rgba(0, 0, 0, 0.8);
    }
    .console-bar {
      height: 42px;
      background: rgba(15, 23, 42, 0.9);
      border-bottom: 1px solid var(--border-line);
      display: flex;
      align-items: center;
      padding: 0 16px;
      gap: 8px;
    }
    .console-circle {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.2);
    }
    .console-circle:nth-child(1) { background: #EF4444; }
    .console-circle:nth-child(2) { background: #F59E0B; }
    .console-circle:nth-child(3) { background: #10B981; }
    .console-status-text {
      margin-left: 12px;
      font-size: 12px;
      color: var(--text-sub);
    }
    .console-body {
      display: grid;
      grid-template-columns: 2fr 1fr;
      padding: 24px;
      gap: 24px;
    }
    .console-screen-img {
      border-radius: var(--radius-sm);
      width: 100%;
      height: 380px;
      object-fit: cover;
      border: 1px solid var(--border-line);
    }
    .console-panel-data {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .panel-widget {
      padding: 16px;
      background: rgba(7, 11, 20, 0.6);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-sm);
    }
    .widget-head {
      font-size: 12px;
      color: var(--text-sub);
      margin-bottom: 8px;
    }
    .widget-val {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
    }

    /* 板块 8: 多场景演播应用拆解 */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .scene-card {
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    .scene-thumb {
      height: 180px;
      width: 100%;
      object-fit: cover;
    }
    .scene-info {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .scene-info h3 {
      font-size: 18px;
      margin-bottom: 10px;
      color: #fff;
    }
    .scene-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      flex-grow: 1;
      margin-bottom: 16px;
    }
    .scene-tag {
      font-size: 11px;
      color: var(--primary);
      padding: 2px 8px;
      background: rgba(0, 210, 255, 0.1);
      border-radius: 4px;
      align-self: flex-start;
    }

    /* 板块 9: 痛点与解法对应清单 */
    .pain-points-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      max-width: 900px;
      margin: 0 auto;
    }
    .pain-item {
      display: grid;
      grid-template-columns: 80px 1fr 1fr;
      align-items: center;
      padding: 20px 24px;
      gap: 20px;
    }
    .pain-index {
      font-size: 18px;
      font-weight: 800;
      color: var(--primary);
      opacity: 0.8;
    }
    .pain-cause {
      font-size: 14px;
      color: #F87171;
      line-height: 1.5;
    }
    .pain-solution {
      font-size: 14px;
      color: #10B981;
      line-height: 1.5;
    }

    /* 板块 10: 论坛式口碑墙与工程师验证 */
    .forum-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .forum-card {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .forum-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .user-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: rgba(0, 210, 255, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      color: var(--primary);
      border: 1px solid var(--border-highlight);
    }
    .user-meta h4 {
      font-size: 14px;
      color: #fff;
    }
    .user-meta span {
      font-size: 12px;
      color: var(--text-sub);
    }
    .forum-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .forum-badge-row {
      display: flex;
      gap: 8px;
    }
    .forum-chip {
      font-size: 11px;
      color: var(--text-sub);
      background: rgba(255, 255, 255, 0.04);
      padding: 2px 6px;
      border-radius: 4px;
    }

    /* 板块 11: CMS 最新资讯列表 */
    .cms-feed-layout {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 32px;
    }
    .cms-list-col {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .cms-post-card {
      display: grid;
      grid-template-columns: 200px 1fr;
      gap: 20px;
      padding: 16px;
      align-items: center;
    }
    .cms-thumb {
      width: 100%;
      height: 125px;
      object-fit: cover;
      border-radius: var(--radius-sm);
    }
    .cms-post-content {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .cms-post-title {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      line-height: 1.4;
    }
    .cms-post-title:hover {
      color: var(--primary);
    }
    .cms-post-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .cms-post-meta {
      font-size: 11px;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .cms-sidebar-card {
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      height: fit-content;
    }
    .cms-sidebar-title {
      font-size: 16px;
      color: #fff;
      font-weight: 700;
      border-bottom: 1px solid var(--border-line);
      padding-bottom: 12px;
    }
    .cms-side-item {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
      padding-bottom: 12px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .cms-side-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .cms-side-item a:hover {
      color: var(--primary);
    }
    .cms-more-wrap {
      margin-top: 24px;
      text-align: center;
    }

    /* 板块 12: 保障说明与合规指标 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .guarantee-card {
      padding: 24px;
      text-align: center;
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
    }
    .guarantee-card h4 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 8px;
    }
    .guarantee-card p {
      font-size: 12px;
      color: var(--text-sub);
      line-height: 1.5;
    }

    /* 板块 13: 终极开通行动区 */
    .cta-center-box {
      max-width: 860px;
      margin: 0 auto;
      padding: 60px 40px;
      text-align: center;
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-lg);
      background: radial-gradient(circle at 50% 0%, rgba(0, 210, 255, 0.15) 0%, rgba(15, 23, 42, 0.8) 75%);
    }
    .cta-center-box h2 {
      font-size: 30px;
      color: #fff;
      margin-bottom: 16px;
    }
    .cta-center-box p {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 600px;
      margin: 0 auto 32px;
    }
    .cta-form-row {
      display: flex;
      max-width: 480px;
      margin: 0 auto;
      gap: 12px;
    }

    /* 页脚 */
    .site-footer {
      background: #04070D;
      border-top: 1px solid var(--border-line);
      padding: 60px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }
    .footer-brand h4 {
      font-size: 20px;
      color: #fff;
      margin-bottom: 12px;
    }
    .footer-brand p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      max-width: 320px;
    }
    .footer-col h5 {
      font-size: 14px;
      color: #fff;
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col a {
      font-size: 13px;
      color: var(--text-muted);
    }
    .footer-col a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.05);
      padding-top: 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-sub);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-grid { grid-template-columns: 1fr; gap: 40px; }
      .audience-grid { grid-template-columns: repeat(2, 1fr); }
      .scheme-grid { grid-template-columns: 1fr; }
      .scheme-card.highlight { transform: none; }
      .stats-bar-grid { grid-template-columns: repeat(2, 1fr); }
      .console-body { grid-template-columns: 1fr; }
      .scene-grid { grid-template-columns: 1fr; }
      .forum-grid { grid-template-columns: 1fr; }
      .cms-feed-layout { grid-template-columns: 1fr; }
      .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .timeline-chips { display: none; }
      .fit-compare-grid { grid-template-columns: 1fr; }
      .channel-banner { flex-direction: column; align-items: flex-start; padding: 32px 24px; }
      .pain-item { grid-template-columns: 1fr; gap: 8px; }
      .cta-form-row { flex-direction: column; }
      .footer-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
      .cms-post-card { grid-template-columns: 1fr; }
      .cms-thumb { height: 160px; }
    }

/* roulang page: article */
:root {
      --bg-dark: #070B14;
      --bg-card: rgba(15, 23, 42, 0.65);
      --bg-card-alt: rgba(11, 18, 32, 0.85);
      --primary: #00D2FF;
      --primary-glow: rgba(0, 210, 255, 0.45);
      --accent: #7928CA;
      --emerald: #10B981;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --border-line: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(0, 210, 255, 0.3);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 顶部导航 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(7, 11, 20, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      z-index: 999;
      border-bottom: 1px solid var(--border-line);
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo .dot {
      width: 10px;
      height: 10px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--primary);
    }
    .nav-list {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }
    .nav-item a {
      font-size: 15px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .nav-item a:hover, .nav-item.active a {
      color: var(--primary);
      text-shadow: 0 0 8px rgba(0, 210, 255, 0.3);
    }
    .timeline-chips {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: 20px;
      padding-left: 20px;
      border-left: 1px solid var(--border-line);
    }
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
      border: 1px solid rgba(255, 255, 255, 0.08);
      white-space: nowrap;
    }
    .chip-indicator {
      width: 6px;
      height: 6px;
      border-radius: 50%;
    }
    .chip.status-ready .chip-indicator {
      background: #F59E0B;
      box-shadow: 0 0 6px #F59E0B;
    }
    .chip.status-live {
      background: rgba(16, 185, 129, 0.12);
      border-color: rgba(16, 185, 129, 0.3);
      color: #10B981;
    }
    .chip.status-live .chip-indicator {
      background: #10B981;
      box-shadow: 0 0 8px #10B981;
      animation: pulse 1.8s infinite;
    }
    .chip.status-vod .chip-indicator {
      background: #A855F7;
      box-shadow: 0 0 6px #A855F7;
    }
    @keyframes pulse {
      0% { opacity: 0.4; transform: scale(0.9); }
      50% { opacity: 1; transform: scale(1.15); }
      100% { opacity: 0.4; transform: scale(0.9); }
    }
    .header-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      color: #070B14;
      background: linear-gradient(135deg, #00D2FF 0%, #3B82F6 100%);
      border-radius: var(--radius-sm);
      box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
      border: none;
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 210, 255, 0.65);
      color: #000;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 14px;
      font-weight: 500;
      color: var(--primary);
      background: rgba(15, 23, 42, 0.65);
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-sm);
      cursor: pointer;
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      background: rgba(0, 210, 255, 0.12);
      border-color: var(--primary);
    }

    /* 板块通用 */
    main {
      padding-top: 72px;
    }
    section {
      padding: 60px 0;
      position: relative;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    .glass-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 210, 255, 0.3), transparent);
    }

    /* 文章专有样式 - 斜向错位 Hero 头部 */
    .article-hero-section {
      padding: 70px 0 40px;
      background: radial-gradient(circle at 80% 20%, rgba(121, 40, 202, 0.15) 0%, rgba(7, 11, 20, 0) 60%),
                  radial-gradient(circle at 10% 50%, rgba(0, 210, 255, 0.1) 0%, rgba(7, 11, 20, 0) 50%);
      border-bottom: 1px solid var(--border-line);
    }
    .hero-split-grid {
      display: grid;
      grid-template-columns: 5fr 7fr;
      gap: 40px;
      align-items: center;
    }
    .breadcrumb-nav {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-sub);
      margin-bottom: 20px;
    }
    .breadcrumb-nav a:hover {
      color: var(--primary);
    }
    .breadcrumb-nav .sep {
      color: rgba(255, 255, 255, 0.2);
    }
    .article-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 12px;
      border-radius: 999px;
      background: rgba(0, 210, 255, 0.1);
      color: var(--primary);
      border: 1px solid rgba(0, 210, 255, 0.25);
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .article-title-h1 {
      font-size: 34px;
      line-height: 1.35;
      font-weight: 800;
      color: #fff;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .article-meta-list {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 20px;
      color: var(--text-muted);
      font-size: 13px;
      padding-bottom: 24px;
      border-bottom: 1px solid var(--border-line);
      margin-bottom: 24px;
    }
    .meta-item {
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .meta-item .icon {
      color: var(--primary);
    }
    .hero-kpi-bar {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
    }
    .kpi-mini-card {
      background: rgba(15, 23, 42, 0.5);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-sm);
      padding: 12px;
    }
    .kpi-val {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
      font-family: monospace;
    }
    .kpi-label {
      font-size: 12px;
      color: var(--text-sub);
    }
    .hero-visual-frame {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      border: 1px solid var(--border-highlight);
      box-shadow: 0 25px 50px -12px rgba(0, 210, 255, 0.2);
    }
    .hero-visual-frame img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      transform: scale(1.02);
      transition: transform 0.5s ease;
    }
    .hero-visual-frame:hover img {
      transform: scale(1.06);
    }
    .visual-overlay-tag {
      position: absolute;
      bottom: 16px;
      right: 16px;
      background: rgba(7, 11, 20, 0.85);
      border: 1px solid var(--border-highlight);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 12px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
      backdrop-filter: blur(8px);
    }

    /* 核心卖点提要带 */
    .highlights-strip {
      padding: 30px 0;
      background: rgba(11, 18, 32, 0.7);
      border-bottom: 1px solid var(--border-line);
    }
    .highlights-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .strip-item {
      display: flex;
      align-items: flex-start;
      gap: 14px;
      padding: 16px;
      background: rgba(15, 23, 42, 0.4);
      border-radius: var(--radius-sm);
      border: 1px solid rgba(255, 255, 255, 0.04);
    }
    .strip-num {
      font-size: 20px;
      font-weight: 800;
      color: var(--primary);
      line-height: 1;
      opacity: 0.85;
    }
    .strip-title {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 4px;
    }
    .strip-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 正文主体区域 */
    .article-content-section {
      padding: 60px 0;
    }
    .article-layout {
      display: grid;
      grid-template-columns: 8fr 4fr;
      gap: 40px;
      align-items: start;
    }
    .article-body-wrapper {
      padding: 40px;
    }
    .rich-text {
      color: #CBD5E1;
      font-size: 16px;
      line-height: 1.85;
    }
    .rich-text p {
      margin-bottom: 24px;
    }
    .rich-text h2 {
      font-size: 24px;
      color: #fff;
      margin: 40px 0 18px;
      padding-left: 14px;
      border-left: 4px solid var(--primary);
      line-height: 1.3;
    }
    .rich-text h3 {
      font-size: 19px;
      color: #F1F5F9;
      margin: 28px 0 14px;
    }
    .rich-text ul, .rich-text ol {
      margin: 0 0 24px 20px;
      color: var(--text-muted);
    }
    .rich-text li {
      margin-bottom: 8px;
    }
    .rich-text blockquote {
      border-left: 4px solid var(--accent);
      background: rgba(121, 40, 202, 0.1);
      padding: 16px 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin: 28px 0;
      color: #E2E8F0;
      font-style: italic;
    }
    .rich-text img {
      border-radius: var(--radius-md);
      margin: 28px 0;
      border: 1px solid var(--border-line);
      box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    }
    .rich-text code {
      font-family: Consolas, Monaco, monospace;
      background: rgba(255, 255, 255, 0.08);
      padding: 2px 6px;
      border-radius: 4px;
      font-size: 0.9em;
      color: var(--primary);
    }
    .empty-state {
      text-align: center;
      padding: 80px 20px;
    }
    .empty-icon {
      font-size: 48px;
      color: var(--text-sub);
      margin-bottom: 16px;
    }
    .empty-text {
      font-size: 18px;
      color: var(--text-muted);
      margin-bottom: 24px;
    }

    /* 侧边信息栏与性能指示 */
    .sidebar-widget {
      padding: 28px;
      margin-bottom: 24px;
    }
    .widget-title {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--border-line);
    }
    .widget-title::before {
      content: '';
      width: 4px;
      height: 16px;
      background: var(--primary);
      border-radius: 2px;
    }
    .spec-item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 0;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
      font-size: 13px;
    }
    .spec-item:last-child {
      border-bottom: none;
    }
    .spec-key {
      color: var(--text-muted);
    }
    .spec-val {
      color: #fff;
      font-weight: 500;
      font-family: monospace;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .tag-chip {
      font-size: 12px;
      padding: 5px 12px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-muted);
      border: 1px solid var(--border-line);
    }
    .tag-chip:hover {
      border-color: var(--primary);
      color: var(--primary);
    }

    /* 文末技术要点总结 */
    .summary-box {
      margin-top: 40px;
      padding: 28px;
      border-radius: var(--radius-md);
      background: rgba(0, 210, 255, 0.04);
      border: 1px solid rgba(0, 210, 255, 0.2);
    }
    .summary-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .summary-list {
      list-style: none;
      display: grid;
      gap: 10px;
      font-size: 14px;
      color: var(--text-muted);
    }
    .summary-list li {
      display: flex;
      align-items: flex-start;
      gap: 8px;
    }
    .summary-list li::before {
      content: '■';
      color: var(--primary);
      font-size: 10px;
      margin-top: 4px;
    }

    /* 专家作者卡片 */
    .author-card {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 24px;
      margin-top: 40px;
      background: rgba(11, 18, 32, 0.6);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
    }
    .author-avatar {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      font-weight: 700;
      color: #fff;
      flex-shrink: 0;
      box-shadow: 0 0 15px rgba(0, 210, 255, 0.3);
    }
    .author-info h4 {
      font-size: 16px;
      color: #fff;
      margin-bottom: 4px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .expert-badge {
      font-size: 11px;
      background: rgba(16, 185, 129, 0.15);
      color: var(--emerald);
      border: 1px solid rgba(16, 185, 129, 0.3);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .author-info p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 矩阵关联推荐板块 */
    .related-section {
      padding: 70px 0;
      background: linear-gradient(180deg, #070B14 0%, #0B1220 50%, #070B14 100%);
      border-top: 1px solid var(--border-line);
    }
    .section-headline {
      margin-bottom: 36px;
      display: flex;
      justify-content: space-between;
      align-items: flex-end;
    }
    .headline-text h3 {
      font-size: 24px;
      color: #fff;
      margin-bottom: 6px;
    }
    .headline-text p {
      font-size: 14px;
      color: var(--text-muted);
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .related-card {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }
    .rel-badge {
      font-size: 11px;
      color: var(--primary);
      text-transform: uppercase;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .rel-title {
      font-size: 16px;
      font-weight: 600;
      color: #fff;
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .rel-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 20px;
    }
    .rel-meta {
      font-size: 12px;
      color: var(--text-sub);
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-line);
      padding-top: 14px;
    }

    /* 底部收口行动区 */
    .cta-banner-section {
      padding: 80px 0;
      text-align: center;
      background: radial-gradient(circle at 50% 50%, rgba(0, 210, 255, 0.12) 0%, rgba(7, 11, 20, 0) 70%);
      border-top: 1px solid var(--border-line);
    }
    .cta-container-box {
      max-width: 820px;
      margin: 0 auto;
      padding: 48px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-highlight);
      background: rgba(15, 23, 42, 0.8);
      box-shadow: 0 0 50px -10px rgba(0, 210, 255, 0.25);
    }
    .cta-container-box h3 {
      font-size: 28px;
      color: #fff;
      margin-bottom: 16px;
    }
    .cta-container-box p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 30px;
    }
    .cta-btn-group {
      display: flex;
      justify-content: center;
      gap: 16px;
    }

    /* 页脚 */
    .site-footer {
      background: #04070D;
      border-top: 1px solid var(--border-line);
      padding: 70px 0 30px;
      font-size: 14px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-brand p {
      color: var(--text-muted);
      line-height: 1.7;
      font-size: 13px;
      max-width: 340px;
    }
    .footer-col h5 {
      font-size: 15px;
      color: #fff;
      margin-bottom: 18px;
      font-weight: 600;
    }
    .footer-col ul {
      list-style: none;
      display: grid;
      gap: 12px;
    }
    .footer-col a {
      color: var(--text-muted);
      font-size: 13px;
    }
    .footer-col a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 30px;
      border-top: 1px solid var(--border-line);
      color: var(--text-sub);
      font-size: 12px;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-split-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .article-layout {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .timeline-chips {
        display: none;
      }
    }
    @media (max-width: 768px) {
      .highlights-grid {
        grid-template-columns: 1fr;
      }
      .related-grid {
        grid-template-columns: 1fr;
      }
      .article-body-wrapper {
        padding: 24px 16px;
      }
      .article-title-h1 {
        font-size: 26px;
      }
      .hero-kpi-bar {
        grid-template-columns: 1fr;
      }
      .cta-container-box {
        padding: 30px 20px;
      }
      .cta-btn-group {
        flex-direction: column;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .header-cta .btn-outline {
        display: none;
      }
    }

/* roulang page: category1 */
:root {
      --bg-dark: #070B14;
      --bg-card: rgba(15, 23, 42, 0.65);
      --bg-card-alt: rgba(11, 18, 32, 0.85);
      --primary: #00D2FF;
      --primary-glow: rgba(0, 210, 255, 0.45);
      --accent: #7928CA;
      --emerald: #10B981;
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --border-line: rgba(255, 255, 255, 0.08);
      --border-highlight: rgba(0, 210, 255, 0.3);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      background-color: var(--bg-dark);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: all 0.25s ease;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1280px;
      margin: 0 auto;
      padding: 0 24px;
    }
    /* 顶部导航 */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 72px;
      background: rgba(7, 11, 20, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      z-index: 999;
      border-bottom: 1px solid var(--border-line);
      display: flex;
      align-items: center;
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
    }
    .brand-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .brand-logo {
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -0.5px;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo .dot {
      width: 10px;
      height: 10px;
      background: var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 10px var(--primary);
    }
    .nav-list {
      display: flex;
      align-items: center;
      list-style: none;
      gap: 32px;
    }
    .nav-item a {
      font-size: 15px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .nav-item a:hover, .nav-item.active a {
      color: var(--primary);
      text-shadow: 0 0 8px rgba(0, 210, 255, 0.3);
    }
    .timeline-chips {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-left: 20px;
      padding-left: 20px;
      border-left: 1px solid var(--border-line);
    }
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 12px;
      padding: 4px 10px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.05);
      color: var(--text-muted);
      border: 1px solid rgba(255, 255, 255, 0.08);
      white-space: nowrap;
    }
    .chip-indicator {
      width: 6px;
      height: 6px;
      border-radius: 50%;
    }
    .chip.status-ready .chip-indicator {
      background: #F59E0B;
      box-shadow: 0 0 6px #F59E0B;
    }
    .chip.status-live {
      background: rgba(16, 185, 129, 0.12);
      border-color: rgba(16, 185, 129, 0.3);
      color: #10B981;
    }
    .chip.status-live .chip-indicator {
      background: #10B981;
      box-shadow: 0 0 8px #10B981;
      animation: pulse 1.8s infinite;
    }
    .chip.status-vod .chip-indicator {
      background: #A855F7;
      box-shadow: 0 0 6px #A855F7;
    }
    @keyframes pulse {
      0% { transform: scale(0.95); opacity: 0.8; }
      50% { transform: scale(1.3); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.8; }
    }
    .header-cta {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-glow {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 10px 22px;
      font-size: 14px;
      font-weight: 600;
      color: #070B14;
      background: linear-gradient(135deg, #00D2FF 0%, #3B82F6 100%);
      border-radius: var(--radius-sm);
      box-shadow: 0 0 20px rgba(0, 210, 255, 0.4);
      border: none;
      cursor: pointer;
      transition: all 0.25s ease;
    }
    .btn-glow:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 28px rgba(0, 210, 255, 0.65);
      color: #000;
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 9px 20px;
      font-size: 14px;
      font-weight: 500;
      color: var(--primary);
      background: rgba(15, 23, 42, 0.65);
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-sm);
      cursor: pointer;
      backdrop-filter: blur(8px);
    }
    .btn-outline:hover {
      background: rgba(0, 210, 255, 0.12);
      border-color: var(--primary);
    }

    /* 板块通用 */
    main {
      padding-top: 72px;
    }
    section {
      padding: 85px 0;
      position: relative;
    }
    .section-dark-alt {
      background: linear-gradient(180deg, #070B14 0%, #0B1220 50%, #070B14 100%);
      border-top: 1px solid var(--border-line);
      border-bottom: 1px solid var(--border-line);
    }
    .section-header {
      max-width: 820px;
      margin: 0 auto 52px;
      text-align: center;
    }
    .badge-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 1px;
      padding: 4px 12px;
      border-radius: 999px;
      background: rgba(0, 210, 255, 0.1);
      color: var(--primary);
      border: 1px solid rgba(0, 210, 255, 0.25);
      margin-bottom: 16px;
    }
    .section-title {
      font-size: 32px;
      font-weight: 700;
      line-height: 1.35;
      margin-bottom: 16px;
      color: var(--text-main);
    }
    .section-desc {
      font-size: 16px;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-line);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      position: relative;
      overflow: hidden;
      transition: all 0.3s ease;
    }
    .glass-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(0, 210, 255, 0.3), transparent);
    }
    .glass-card:hover {
      transform: translateY(-4px);
      border-color: var(--border-highlight);
      box-shadow: 0 25px 50px -12px rgba(0, 210, 255, 0.2);
    }

    /* 板块一：分类综合头部 (扁平化横条布局与面包屑) */
    .cat-hero-section {
      padding: 60px 0 50px;
      background: radial-gradient(circle at 50% 20%, rgba(0, 210, 255, 0.12) 0%, rgba(7, 11, 20, 0.95) 75%), url('/assets/images/6841a2a090f46168.webp') center/cover no-repeat;
      border-bottom: 1px solid var(--border-line);
    }
    .cat-breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--text-sub);
      margin-bottom: 20px;
    }
    .cat-breadcrumb a:hover {
      color: var(--primary);
    }
    .cat-breadcrumb-sep {
      color: var(--border-line);
    }
    .cat-header-content {
      max-width: 900px;
    }
    .cat-h1 {
      font-size: 40px;
      font-weight: 800;
      line-height: 1.25;
      color: #fff;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }
    .cat-h1 span {
      background: linear-gradient(135deg, #00D2FF 0%, #A855F7 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .cat-summary-text {
      font-size: 17px;
      color: var(--text-muted);
      line-height: 1.8;
      margin-bottom: 28px;
    }
    .cat-header-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 32px;
      padding-top: 20px;
      border-top: 1px solid var(--border-line);
    }
    .stat-pill-item {
      display: flex;
      flex-direction: column;
    }
    .stat-pill-item .val {
      font-size: 24px;
      font-weight: 700;
      color: var(--primary);
      font-family: monospace;
    }
    .stat-pill-item .lbl {
      font-size: 13px;
      color: var(--text-sub);
    }

    /* 板块二：社区论坛式标签筛选广场 */
    .filter-tags-section {
      padding: 30px 0;
      background: #0B1220;
      border-bottom: 1px solid var(--border-line);
    }
    .filter-bar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
    }
    .filter-label {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-muted);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .tags-group {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag-chip {
      padding: 6px 16px;
      font-size: 13px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.04);
      color: var(--text-muted);
      border: 1px solid var(--border-line);
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .tag-chip:hover, .tag-chip.active {
      background: rgba(0, 210, 255, 0.15);
      color: var(--primary);
      border-color: var(--primary-glow);
    }

    /* 板块三：分类主体列表区（CMS 双列宽卡片） */
    .content-stream-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 28px;
    }
    .stream-card {
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .stream-card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 14px;
    }
    .stream-category-badge {
      font-size: 12px;
      padding: 3px 10px;
      border-radius: 4px;
      background: rgba(0, 210, 255, 0.1);
      color: var(--primary);
      border: 1px solid rgba(0, 210, 255, 0.2);
    }
    .stream-date {
      font-size: 13px;
      color: var(--text-sub);
    }
    .stream-card-title {
      font-size: 20px;
      font-weight: 700;
      line-height: 1.45;
      margin-bottom: 12px;
      color: #fff;
    }
    .stream-card-title:hover {
      color: var(--primary);
    }
    .stream-card-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
      flex-grow: 1;
    }
    .stream-card-footer {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 16px;
      border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .read-more-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .read-more-link:hover {
      text-shadow: 0 0 10px var(--primary-glow);
    }
    .empty-stream-box {
      grid-column: 1 / -1;
      text-align: center;
      padding: 60px 20px;
      color: var(--text-sub);
      font-size: 16px;
    }

    /* 板块四：分类专题精华推荐横幅 */
    .spotlight-banner {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.8) 100%);
      border: 1px solid var(--border-highlight);
      border-radius: var(--radius-lg);
      padding: 44px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 36px;
      align-items: center;
      box-shadow: 0 20px 50px rgba(0, 210, 255, 0.15);
    }
    .spotlight-text h3 {
      font-size: 28px;
      font-weight: 700;
      margin-bottom: 16px;
      color: #fff;
    }
    .spotlight-text p {
      font-size: 15px;
      color: var(--text-muted);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .spotlight-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }
    .spotlight-media {
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-line);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    }
    .spotlight-media img {
      width: 100%;
      height: 260px;
      object-fit: cover;
    }

    /* 板块五：分类技术指标与架构标准解读 */
    .metrics-compare-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
    }
    .metrics-box {
      padding: 32px;
    }
    .metrics-box h4 {
      font-size: 20px;
      font-weight: 700;
      margin-bottom: 14px;
      color: var(--primary);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .metrics-box p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      margin-bottom: 20px;
    }
    .specs-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .specs-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: rgba(255, 255, 255, 0.03);
      border-radius: var(--radius-sm);
      font-size: 13px;
    }
    .specs-item .param {
      color: var(--text-muted);
    }
    .specs-item .val {
      font-weight: 600;
      color: #fff;
      font-family: monospace;
    }

    /* 板块六：技术问答与分类专区指南 FAQ */
    .faq-compact-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .faq-mini-card {
      padding: 26px;
    }
    .faq-mini-card h4 {
      font-size: 17px;
      font-weight: 600;
      margin-bottom: 10px;
      color: #fff;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .faq-mini-card h4 span {
      color: var(--primary);
    }
    .faq-mini-card p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块七：分类定制需求快速咨询表单 */
    .consult-section {
      background: radial-gradient(circle at 50% 50%, rgba(121, 40, 202, 0.12) 0%, rgba(7, 11, 20, 1) 75%);
    }
    .consult-card {
      max-width: 860px;
      margin: 0 auto;
      padding: 44px;
      border: 1px solid var(--border-highlight);
    }
    .form-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 20px;
      margin-top: 28px;
    }
    .form-group-full {
      grid-column: 1 / -1;
    }
    .form-label {
      display: block;
      font-size: 13px;
      font-weight: 500;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .form-control {
      width: 100%;
      background: rgba(15, 23, 42, 0.8);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-sm);
      padding: 12px 16px;
      font-size: 14px;
      color: #fff;
      outline: none;
      transition: all 0.25s ease;
    }
    .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 12px rgba(0, 210, 255, 0.3);
    }
    textarea.form-control {
      resize: vertical;
      min-height: 100px;
    }

    /* 页脚 */
    .site-footer {
      background: #04070D;
      border-top: 1px solid var(--border-line);
      padding: 70px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 50px;
    }
    .footer-brand h4 {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
    }
    .footer-brand p {
      font-size: 14px;
      color: var(--text-sub);
      line-height: 1.7;
      max-width: 360px;
    }
    .footer-col h5 {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 18px;
    }
    .footer-col ul {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-col a {
      font-size: 13px;
      color: var(--text-sub);
    }
    .footer-col a:hover {
      color: var(--primary);
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding-top: 24px;
      border-top: 1px solid var(--border-line);
      font-size: 13px;
      color: var(--text-sub);
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .footer-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .spotlight-banner {
        grid-template-columns: 1fr;
      }
      .timeline-chips {
        display: none;
      }
    }
    @media (max-width: 768px) {
      .cat-h1 {
        font-size: 28px;
      }
      .content-stream-grid,
      .metrics-compare-grid,
      .faq-compact-grid,
      .form-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .header-cta .btn-outline {
        display: none;
      }
    }