/* roulang page: index */
:root {
      --bg-base: #f8fafc;
      --bg-subtle: #f1f5f9;
      --bg-card: #ffffff;
      --primary: #1e40af;
      --primary-accent: #2563eb;
      --primary-light: #eff6ff;
      --secondary: #475569;
      --teal: #0284c7;
      --teal-light: #e0f2fe;
      --success: #10b981;
      --warning: #ef4444;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --border-hover: #93c5fd;
      --radius-base: 8px;
      --shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
      --shadow-hover: 0 12px 28px -4px rgba(37, 99, 235, 0.12);
      --sidebar-width: 256px;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--primary-accent);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: var(--primary);
    }

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

    /* 桌面端左侧竖向导航架构 */
    @media screen and (min-width: 1024px) {
      .app-layout {
        display: flex;
        min-height: 100vh;
      }
      .app-sidebar {
        width: var(--sidebar-width);
        background: #ffffff;
        border-right: 1px solid var(--border-color);
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        z-index: 1000;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
      }
      .app-content {
        margin-left: var(--sidebar-width);
        flex: 1;
        width: calc(100% - var(--sidebar-width));
        background: var(--bg-base);
      }
      .mobile-header {
        display: none !important;
      }
    }

    /* 移动端顶部导航 */
    @media screen and (max-width: 1023.98px) {
      .app-sidebar {
        display: none;
      }
      .mobile-header {
        display: block;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 999;
      }
      .app-content {
        width: 100%;
      }
    }

    /* 侧边栏内部元素 */
    .sidebar-brand {
      padding: 24px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-icon-box {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--primary-accent));
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
    }
    .brand-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
    }
    .brand-tag {
      font-size: 11px;
      background: var(--teal-light);
      color: var(--teal);
      padding: 1px 6px;
      border-radius: 4px;
      display: inline-block;
      margin-top: 2px;
      font-weight: 600;
    }

    .sidebar-nav {
      padding: 24px 12px;
      flex: 1;
    }
    .sidebar-nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .sidebar-nav li {
      margin-bottom: 6px;
    }
    .sidebar-nav a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary);
      border-radius: 6px;
      position: relative;
      transition: all 0.2s ease;
    }
    .sidebar-nav a i {
      font-size: 16px;
      width: 20px;
      text-align: center;
    }
    .sidebar-nav a:hover {
      background: var(--bg-subtle);
      color: var(--primary-accent);
    }
    .sidebar-nav a.active {
      background: rgba(37, 99, 235, 0.08);
      color: var(--primary);
    }
    .sidebar-nav a.active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 3px;
      background: var(--primary-accent);
      border-radius: 0 4px 4px 0;
    }

    .sidebar-footer {
      padding: 18px 20px;
      border-top: 1px solid var(--border-color);
      background: #fafafa;
    }
    .system-status-indicator {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--secondary);
    }
    .status-pulse {
      width: 8px;
      height: 8px;
      background-color: var(--success);
      border-radius: 50%;
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse-ring 2s infinite;
    }
    @keyframes pulse-ring {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* 移动端头栏 */
    .mobile-header .top-bar {
      background: #ffffff;
      padding: 12px 16px;
    }
    .mobile-menu-dropdown {
      display: none;
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 12px 16px;
    }
    .mobile-menu-dropdown.is-active {
      display: block;
    }
    .mobile-menu-dropdown ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .mobile-menu-dropdown li a {
      display: block;
      padding: 10px 0;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      border-bottom: 1px solid var(--bg-subtle);
    }

    /* 全局板块与排版 */
    .content-section {
      padding: 80px 0;
      position: relative;
    }
    .content-section.section-alt {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    @media screen and (max-width: 768px) {
      .content-section {
        padding: 48px 0;
      }
    }

    .section-header {
      margin-bottom: 48px;
      text-align: center;
    }
    .section-tag {
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-accent);
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
      border: 1px solid rgba(37, 99, 235, 0.2);
    }
    .section-title {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-intro {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* 工业质感精密卡片 */
    .precision-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      box-shadow: var(--shadow-sm);
      padding: 24px;
      height: 100%;
      position: relative;
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .precision-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-hover);
    }

    /* 按钮规范 */
    .btn-precision-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-accent));
      color: #ffffff !important;
      font-weight: 600;
      font-size: 15px;
      padding: 12px 24px;
      border-radius: 6px;
      border: 1px solid transparent;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
      transition: all 0.2s ease;
    }
    .btn-precision-primary:hover {
      background: linear-gradient(135deg, #1d4ed8, #1e40af);
      box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
      transform: translateY(-1px);
    }
    .btn-precision-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #ffffff;
      color: var(--text-main) !important;
      font-weight: 600;
      font-size: 15px;
      padding: 12px 24px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      transition: all 0.2s ease;
    }
    .btn-precision-outline:hover {
      background: var(--bg-subtle);
      border-color: var(--text-muted);
    }

    /* 板块 1：Hero 区域 */
    .hero-wrapper {
      padding: 60px 0 80px;
      background: radial-gradient(circle at top right, #e0f2fe 0%, #f8fafc 60%);
      border-bottom: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
    }
    .hero-version-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      padding: 6px 16px;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      color: var(--secondary);
      margin-bottom: 24px;
      box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
    }
    .hero-version-pill .pill-dot {
      width: 8px;
      height: 8px;
      background: var(--teal);
      border-radius: 50%;
    }
    .hero-title {
      font-size: 38px;
      font-weight: 900;
      line-height: 1.25;
      color: var(--text-main);
      margin-bottom: 20px;
      letter-spacing: -1px;
    }
    .hero-desc {
      font-size: 16px;
      line-height: 1.75;
      color: var(--secondary);
      margin-bottom: 30px;
    }
    .hero-features-list {
      list-style: none;
      margin: 0 0 32px 0;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .hero-features-list li {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .hero-features-list li i {
      color: var(--success);
    }
    .hero-media-card {
      position: relative;
      border-radius: 12px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: 0 20px 40px -15px rgba(15, 23, 42, 0.15);
      background: #000000;
    }
    .hero-media-card img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      opacity: 0.88;
      transition: transform 0.5s ease;
    }
    .hero-media-card:hover img {
      transform: scale(1.02);
    }
    .hero-floating-badge {
      position: absolute;
      top: 16px;
      right: 16px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #ffffff;
      padding: 8px 14px;
      border-radius: 6px;
      font-size: 12px;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .hero-status-bar {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      background: linear-gradient(to top, rgba(15, 23, 42, 0.95), rgba(15, 23, 42, 0));
      padding: 24px 20px 16px;
      color: #ffffff;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 板块 2：痛点警示 */
    .pain-badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 6px;
      background: #fee2e2;
      color: var(--warning);
      font-size: 16px;
      margin-bottom: 16px;
    }
    .pain-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .pain-desc {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块 3：全链路解决方案 */
    .solution-item {
      display: flex;
      gap: 16px;
      margin-bottom: 24px;
    }
    .solution-num {
      width: 32px;
      height: 32px;
      background: var(--primary-light);
      border: 1px solid var(--border-hover);
      color: var(--primary);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
      flex-shrink: 0;
    }

    /* 板块 4：工序步骤流程图 */
    .step-indicator {
      font-size: 28px;
      font-weight: 900;
      color: var(--teal);
      opacity: 0.4;
      line-height: 1;
      margin-bottom: 8px;
      font-family: monospace;
    }

    /* 板块 5：成果看板 */
    .metrics-board {
      background: #0f172a;
      border-radius: 12px;
      padding: 48px 32px;
      color: #ffffff;
      border: 1px solid #334155;
    }
    .metric-value {
      font-size: 42px;
      font-weight: 800;
      color: #38bdf8;
      font-family: monospace;
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 14px;
      color: #94a3b8;
      font-weight: 500;
    }

    /* 板块 6：专题导流专区 */
    .category-entry-card {
      position: relative;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: #ffffff;
      transition: all 0.3s ease;
    }
    .category-entry-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
    }
    .category-entry-body {
      padding: 16px;
    }
    .category-entry-tag {
      font-size: 11px;
      background: var(--bg-subtle);
      color: var(--secondary);
      padding: 2px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 8px;
      font-weight: 600;
    }
    .category-entry-title {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text-main);
    }
    .category-entry-meta {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
    }

    /* 板块 7：场景画像 */
    .scenario-icon {
      font-size: 32px;
      color: var(--primary-accent);
      margin-bottom: 16px;
    }

    /* 板块 8：用户证言 */
    .testimonial-rating {
      color: #f59e0b;
      margin-bottom: 12px;
      font-size: 13px;
    }
    .testimonial-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 16px;
      padding-top: 16px;
      border-top: 1px solid var(--border-color);
    }
    .user-avatar-tag {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--teal-light);
      color: var(--teal);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    /* 板块 9：资讯卡片 */
    .news-card-lead {
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--border-color);
      background: #ffffff;
      height: 100%;
    }
    .news-card-lead img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }
    .news-card-lead .lead-body {
      padding: 20px;
    }
    .news-list-item {
      padding: 16px;
      border-bottom: 1px solid var(--border-color);
      background: #ffffff;
      border-radius: 6px;
      margin-bottom: 12px;
      transition: background 0.2s ease;
    }
    .news-list-item:hover {
      background: var(--bg-subtle);
    }

    /* 板块 10：技术参数表 */
    .tech-table {
      width: 100%;
      border-collapse: collapse;
      background: #ffffff;
      border-radius: 8px;
      overflow: hidden;
      border: 1px solid var(--border-color);
    }
    .tech-table th {
      background: var(--bg-subtle);
      color: var(--text-main);
      font-weight: 700;
      padding: 14px 18px;
      text-align: left;
      font-size: 14px;
      border-bottom: 1px solid var(--border-color);
    }
    .tech-table td {
      padding: 14px 18px;
      border-bottom: 1px solid var(--border-color);
      font-size: 14px;
      color: var(--secondary);
    }
    .tech-table tr:last-child td {
      border-bottom: none;
    }

    /* 板块 11：FAQ 容器 */
    .accordion-title {      font-size: 16px;
      font-weight: 700;
      color: var(--text-main) !important;
      padding: 18px 24px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      margin-bottom: 10px;
      transition: background-color 0.2s ease;
    }
    .accordion-title:hover {
      background: var(--bg-subtle);
    }
    .accordion-content {
      padding: 18px 24px;
      border: 1px solid var(--border-color);
      border-top: none;
      background: #ffffff;
      border-radius: 0 0 6px 6px;
      margin-top: -10px;
      margin-bottom: 12px;
      font-size: 14px;
      color: var(--secondary);
      line-height: 1.7;
    }

    /* 板块 12：安全栅格 */
    .security-badge-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 24px;
      text-align: center;
    }
    .security-badge-icon {
      font-size: 32px;
      color: var(--teal);
      margin-bottom: 12px;
    }

    /* 板块 13：收口 CTA */
    .final-cta-box {
      background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
      border-radius: 12px;
      padding: 60px 40px;
      color: #ffffff;
      text-align: center;
      box-shadow: 0 20px 35px -10px rgba(15, 23, 42, 0.3);
      position: relative;
      overflow: hidden;
    }

    /* 页脚 */
    .app-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 40px 0 24px;
      color: var(--text-muted);
      font-size: 13px;
    }
    .footer-brand-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      color: var(--secondary);
    }
    .footer-links a:hover {
      color: var(--primary-accent);
    }
    .footer-bottom {
      margin-top: 32px;
      padding-top: 20px;
      border-top: 1px solid var(--border-color);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

/* roulang page: category1 */
:root {
      --bg-base: #f8fafc;
      --bg-subtle: #f1f5f9;
      --bg-card: #ffffff;
      --primary: #1e40af;
      --primary-accent: #2563eb;
      --primary-light: #eff6ff;
      --secondary: #475569;
      --teal: #0284c7;
      --teal-light: #e0f2fe;
      --success: #10b981;
      --warning: #ef4444;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --border-hover: #93c5fd;
      --radius-base: 8px;
      --shadow-sm: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 6px -1px rgba(15, 23, 42, 0.03);
      --shadow-hover: 0 12px 28px -4px rgba(37, 99, 235, 0.12);
      --sidebar-width: 256px;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: var(--primary-accent);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: var(--primary);
    }

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

    /* 桌面端固定左侧导航架构 */
    @media screen and (min-width: 1024px) {
      .app-layout {
        display: flex;
        min-height: 100vh;
      }
      .desktop-sidebar {
        width: var(--sidebar-width);
        background: #ffffff;
        border-right: 1px solid var(--border-color);
        position: fixed;
        top: 0;
        bottom: 0;
        left: 0;
        z-index: 1000;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
      }
      .app-main-wrapper {
        margin-left: var(--sidebar-width);
        flex: 1;
        width: calc(100% - var(--sidebar-width));
        min-width: 0;
      }
      .mobile-header {
        display: none !important;
      }
    }

    /* 移动端顶部导航架构 */
    @media screen and (max-width: 1023px) {
      .desktop-sidebar {
        display: none !important;
      }
      .app-main-wrapper {
        width: 100%;
        margin-left: 0;
      }
      .mobile-header {
        display: block;
        background: #ffffff;
        border-bottom: 1px solid var(--border-color);
        position: sticky;
        top: 0;
        z-index: 999;
      }
    }

    /* 侧边栏内部设计 */
    .sidebar-brand {
      padding: 24px 20px;
      border-bottom: 1px solid var(--border-color);
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .brand-icon-box {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--primary), var(--primary-accent));
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
    }
    .brand-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.3;
    }
    .brand-tag {
      font-size: 11px;
      background: var(--teal-light);
      color: var(--teal);
      padding: 1px 6px;
      border-radius: 4px;
      display: inline-block;
      margin-top: 2px;
      font-weight: 600;
    }
    .sidebar-nav {
      padding: 24px 12px;
      flex: 1;
    }
    .sidebar-nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .sidebar-nav li {
      margin-bottom: 6px;
    }
    .sidebar-nav a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 12px 16px;
      font-size: 14px;
      font-weight: 600;
      color: var(--secondary);
      border-radius: 6px;
      position: relative;
      transition: all 0.2s ease;
    }
    .sidebar-nav a i {
      font-size: 16px;
      width: 20px;
      text-align: center;
    }
    .sidebar-nav a:hover {
      background: var(--bg-subtle);
      color: var(--primary-accent);
    }
    .sidebar-nav a.active {
      background: rgba(37, 99, 235, 0.08);
      color: var(--primary);
    }
    .sidebar-nav a.active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 6px;
      bottom: 6px;
      width: 3px;
      background: var(--primary-accent);
      border-radius: 0 4px 4px 0;
    }
    .sidebar-footer {
      padding: 18px 20px;
      border-top: 1px solid var(--border-color);
      background: #fafafa;
    }
    .system-status-indicator {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      color: var(--text-muted);
      font-weight: 500;
    }
    .status-pulse {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--success);
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
      animation: pulse-green 2s infinite;
    }
    @keyframes pulse-green {
      0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
      70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
      100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* 移动端头栏样式 */
    .mobile-header .top-bar {
      background: #ffffff;
      padding: 12px 16px;
    }
    .mobile-nav-panel {
      display: none;
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 12px 16px;
    }
    .mobile-nav-panel.is-active {
      display: block;
    }
    .mobile-nav-panel ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .mobile-nav-panel a {
      display: block;
      padding: 10px 0;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      border-bottom: 1px solid var(--bg-subtle);
    }
    .mobile-nav-panel a.active {
      color: var(--primary-accent);
    }

    /* 全局通用板块样式 */
    .content-section {
      padding: 80px 0;
      position: relative;
    }
    .content-section.section-alt {
      background-color: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    @media screen and (max-width: 1023px) {
      .content-section {
        padding: 48px 0;
      }
    }
    .section-header {
      margin-bottom: 40px;
      text-align: center;
    }
    .section-tag {
      font-size: 12px;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 1px;
      color: var(--primary-accent);
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
      border: 1px solid rgba(37, 99, 235, 0.2);
    }
    .section-title {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }
    .section-intro {
      font-size: 15px;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.7;
    }

    /* 精密卡片组件 */
    .precision-card {
      background: var(--bg-card);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      box-shadow: var(--shadow-sm);
      padding: 24px;
      height: 100%;
      position: relative;
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .precision-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-hover);
    }

    /* 按钮组件 */
    .btn-precision-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, var(--primary), var(--primary-accent));
      color: #ffffff !important;
      font-weight: 600;
      font-size: 14px;
      padding: 10px 20px;
      border-radius: 6px;
      border: 1px solid transparent;
      box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-precision-primary:hover {
      background: linear-gradient(135deg, #1d4ed8, #1e40af);
      box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35);
      transform: translateY(-1px);
    }
    .btn-precision-outline {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #ffffff;
      color: var(--primary-accent) !important;
      font-weight: 600;
      font-size: 14px;
      padding: 10px 20px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      transition: all 0.2s ease;
      cursor: pointer;
    }
    .btn-precision-outline:hover {
      border-color: var(--primary-accent);
      background: var(--primary-light);
    }

    /* 板块1：分类头与维度检索 */
    .category-header-wrap {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 36px 0 28px;
    }
    .breadcrumb-nav {
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .breadcrumb-nav a {
      color: var(--secondary);
    }
    .breadcrumb-nav a:hover {
      color: var(--primary-accent);
    }
    .category-h1 {
      font-size: 28px;
      font-weight: 800;
      color: var(--text-main);
      margin: 0 0 12px 0;
      line-height: 1.3;
    }
    .category-stat-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 24px;
      padding-bottom: 20px;
      border-bottom: 1px dashed var(--border-color);
    }
    .category-stat-bar span strong {
      color: var(--primary-accent);
    }
    .filter-matrix-box {
      background: var(--bg-base);
      border: 1px solid var(--border-color);
      border-radius: 6px;
      padding: 16px 20px;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .filter-row {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 10px;
      font-size: 13px;
    }
    .filter-label {
      color: var(--secondary);
      font-weight: 700;
      min-width: 68px;
    }
    .filter-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .filter-pill {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 4px;
      color: var(--text-main);
      background: #ffffff;
      border: 1px solid var(--border-color);
      font-size: 12px;
      font-weight: 500;
      transition: all 0.15s ease;
    }
    .filter-pill:hover,
    .filter-pill.active {
      background: var(--primary-accent);
      color: #ffffff;
      border-color: var(--primary-accent);
    }

    /* 板块2：核心网格列表主体 */
    .resource-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .resource-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-hover);
    }
    .resource-thumb-wrap {
      position: relative;
      width: 100%;
      padding-top: 56.25%; /* 16:9 */
      overflow: hidden;
      background: #0f172a;
    }
    .resource-thumb-wrap img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .resource-card:hover .resource-thumb-wrap img {
      transform: scale(1.05);
    }
    .badge-resolution {
      position: absolute;
      top: 10px;
      left: 10px;
      background: rgba(15, 23, 42, 0.85);
      color: #38bdf8;
      font-size: 11px;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      border: 1px solid rgba(56, 189, 248, 0.4);
      backdrop-filter: blur(4px);
    }
    .badge-latency {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(16, 185, 129, 0.9);
      color: #ffffff;
      font-size: 10px;
      font-weight: 600;
      padding: 2px 6px;
      border-radius: 4px;
    }
    .resource-card-body {
      padding: 16px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .resource-card-title {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .resource-card-title a {
      color: var(--text-main);
    }
    .resource-card-title a:hover {
      color: var(--primary-accent);
    }
    .resource-card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
      margin-top: auto;
      padding-top: 12px;
      border-top: 1px solid var(--bg-subtle);
    }
    .pagination-bar {
      margin-top: 48px;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 16px;
    }
    .pagination-list {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 6px;
    }
    .pagination-list a,
    .pagination-list span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      background: #ffffff;
      color: var(--secondary);
      font-weight: 600;
      font-size: 13px;
      transition: all 0.15s ease;
    }
    .pagination-list a:hover {
      border-color: var(--primary-accent);
      color: var(--primary-accent);
    }
    .pagination-list .current {
      background: var(--primary-accent);
      color: #ffffff;
      border-color: var(--primary-accent);
    }

    /* 板块3：专题宽卡推荐 */
    .featured-topic-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      overflow: hidden;
      display: flex;
      flex-direction: row;
      box-shadow: var(--shadow-sm);
      height: 100%;
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    @media screen and (max-width: 640px) {
      .featured-topic-card {
        flex-direction: column;
      }
    }
    .featured-topic-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-hover);
    }
    .featured-topic-img {
      width: 45%;
      position: relative;
      min-height: 180px;
    }
    @media screen and (max-width: 640px) {
      .featured-topic-img {
        width: 100%;
        height: 180px;
      }
    }
    .featured-topic-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .featured-topic-content {
      width: 55%;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    @media screen and (max-width: 640px) {
      .featured-topic-content {
        width: 100%;
        padding: 16px;
      }
    }
    .featured-badge {
      display: inline-block;
      background: var(--teal-light);
      color: var(--teal);
      font-size: 11px;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      margin-bottom: 8px;
      align-self: flex-start;
    }
    .featured-topic-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .featured-topic-desc {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .featured-topic-meta {
      font-size: 12px;
      color: var(--secondary);
      display: flex;
      gap: 14px;
    }

    /* 板块4：参数与兼容性表格/卡片 */
    .matrix-table-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      overflow-x: auto;
      box-shadow: var(--shadow-sm);
    }
    .specs-table {
      width: 100%;
      border-collapse: collapse;
      margin: 0;
      text-align: left;
      font-size: 13px;
    }
    .specs-table th {
      background: var(--bg-subtle);
      color: var(--text-main);
      font-weight: 700;
      padding: 14px 20px;
      border-bottom: 1px solid var(--border-color);
      white-space: nowrap;
    }
    .specs-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      color: var(--secondary);
      vertical-align: middle;
    }
    .specs-table tr:last-child td {
      border-bottom: none;
    }
    .status-check-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
      font-size: 12px;
    }
    .status-check-tag.success {
      background: #ecfdf5;
      color: #059669;
      border: 1px solid #a7f3d0;
    }
    .status-check-tag.info {
      background: var(--primary-light);
      color: var(--primary-accent);
      border: 1px solid #bfdbfe;
    }

    /* 板块5：操作指引卡片 */
    .guide-step-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      padding: 24px;
      position: relative;
      height: 100%;
      box-shadow: var(--shadow-sm);
      transition: all 0.25s ease;
    }
    .guide-step-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-hover);
    }
    .guide-step-num {
      width: 32px;
      height: 32px;
      background: var(--primary-light);
      color: var(--primary-accent);
      border: 1px solid rgba(37, 99, 235, 0.3);
      border-radius: 6px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 16px;
    }
    .guide-step-title {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .guide-step-text {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
      margin: 0;
    }

    /* 板块6：FAQ 卡片 */
    .faq-flat-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      padding: 24px;
      height: 100%;
      box-shadow: var(--shadow-sm);
    }
    .faq-flat-q {
      font-size: 15px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .faq-flat-q i {
      color: var(--primary-accent);
      margin-top: 3px;
    }
    .faq-flat-a {
      font-size: 13px;
      color: var(--secondary);
      line-height: 1.65;
      margin: 0;
      padding-left: 24px;
    }

    /* 板块7：关联矩阵标签池 */
    .matrix-tag-wrap {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-base);
      padding: 28px;
      box-shadow: var(--shadow-sm);
    }
    .tag-flow {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .matrix-tag-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--bg-base);
      border: 1px solid var(--border-color);
      color: var(--secondary);
      padding: 8px 14px;
      border-radius: 6px;
      font-size: 13px;
      font-weight: 500;
      transition: all 0.2s ease;
    }
    .matrix-tag-item:hover {
      background: var(--primary-light);
      border-color: var(--primary-accent);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .matrix-tag-item span {
      font-size: 11px;
      color: var(--text-muted);
      background: #ffffff;
      padding: 1px 6px;
      border-radius: 10px;
      border: 1px solid var(--border-color);
    }

    /* 页脚组件 */
    .app-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 60px 0 24px;
      color: var(--secondary);
    }
    .footer-brand-title {
      font-size: 14px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      font-size: 13px;
      color: var(--text-muted);
      transition: color 0.15s ease;
    }
    .footer-links a:hover {
      color: var(--primary-accent);
    }
    .footer-bottom {
      margin-top: 48px;
      padding-top: 24px;
      border-top: 1px solid var(--border-color);
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      color: var(--text-muted);
      gap: 12px;
    }