/* roulang page: index */
:root {
      --brand-primary: #1E56A0;
      --brand-primary-hover: #163172;
      --brand-accent: #FF6B35;
      --brand-accent-hover: #e85926;
      --bg-page: #F8FAFC;
      --bg-surface: #FFFFFF;
      --bg-subtle: #F1F5F9;
      --text-main: #0F172A;
      --text-regular: #334155;
      --text-muted: #64748B;
      --border-light: #E2E8F0;
      --border-focus: #93C5FD;
      --shadow-sm: 0 2px 8px rgba(30, 86, 160, 0.04);
      --shadow-card: 0 4px 20px -2px rgba(30, 86, 160, 0.06);
      --shadow-hover: 0 16px 32px -4px rgba(30, 86, 160, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --transition-base: all 0.28s ease;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-page);
      color: var(--text-regular);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      line-height: 1.68;
      -webkit-font-smoothing: antialiased;
    }

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

    /* 顶部导航与搜索主导栏 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-light);
    }

    .header-inner {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }

    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.28rem;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      white-space: nowrap;
    }

    .brand-badge {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--brand-primary), #0066CC);
      color: #fff;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(30, 86, 160, 0.25);
    }

    .nav-search-bar {
      flex: 1;
      max-width: 520px;
      position: relative;
    }

    .nav-search-bar input {
      width: 100%;
      height: 44px;
      padding: 0 50px 0 42px;
      background-color: var(--bg-subtle);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-pill);
      font-size: 0.9rem;
      color: var(--text-main);
      transition: var(--transition-base);
    }

    .nav-search-bar input:focus {
      outline: none;
      background-color: #ffffff;
      border-color: var(--brand-primary);
      box-shadow: 0 0 0 3px rgba(30, 86, 160, 0.15);
    }

    .nav-search-icon {
      position: absolute;
      left: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      pointer-events: none;
    }

    .nav-search-btn {
      position: absolute;
      right: 6px;
      top: 50%;
      transform: translateY(-50%);
      height: 32px;
      padding: 0 14px;
      border: none;
      border-radius: var(--radius-pill);
      background: var(--brand-primary);
      color: #fff;
      font-size: 0.82rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition-base);
    }

    .nav-search-btn:hover {
      background: var(--brand-primary-hover);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 18px;
      margin: 0;
      padding: 0;
      list-style: none;
      white-space: nowrap;
    }

    .nav-link-item {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-regular);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
    }

    .nav-link-item:hover, .nav-link-item.active {
      color: var(--brand-primary);
      background-color: rgba(30, 86, 160, 0.05);
    }

    .btn-nav-action {
      background-color: var(--brand-accent);
      color: #fff !important;
      padding: 9px 20px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
    }

    .btn-nav-action:hover {
      background-color: var(--brand-accent-hover);
      transform: translateY(-1px);
    }

    /* 常用板块通用规范 */
    .section-spacing {
      padding: 85px 0;
    }

    .section-heading-area {
      margin-bottom: 50px;
    }

    .section-pill-tag {
      display: inline-block;
      padding: 5px 14px;
      background-color: rgba(30, 86, 160, 0.08);
      color: var(--brand-primary);
      font-size: 0.82rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }

    .section-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 16px;
    }

    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0 auto;
      line-height: 1.7;
    }

    .app-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }

    .app-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(30, 86, 160, 0.2);
    }

    /* Hero 首屏卡片堆叠系统 */
    .hero-wrapper {
      padding: 80px 0 90px;
      background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
      border-bottom: 1px solid var(--border-light);
      position: relative;
      overflow: hidden;
    }

    .hero-h1 {
      font-size: 2.85rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }

    .hero-lead {
      font-size: 1.12rem;
      color: var(--text-regular);
      line-height: 1.8;
      margin-bottom: 32px;
    }

    .hero-btn-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      margin-bottom: 36px;
    }

    .btn-main-solid {
      background-color: var(--brand-primary);
      color: #fff;
      padding: 13px 28px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 1rem;
      border: 1px solid var(--brand-primary);
      box-shadow: 0 6px 18px rgba(30, 86, 160, 0.25);
    }

    .btn-main-solid:hover {
      background-color: var(--brand-primary-hover);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-outline-custom {
      background-color: #fff;
      color: var(--brand-primary);
      padding: 13px 28px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 1rem;
      border: 1px solid var(--border-light);
    }

    .btn-outline-custom:hover {
      border-color: var(--brand-primary);
      color: var(--brand-primary);
      background-color: rgba(30, 86, 160, 0.04);
    }

    /* 卡片堆叠视觉组 */
    .card-stack-container {
      position: relative;
      min-height: 390px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .stack-card {
      border-radius: var(--radius-md);
      padding: 24px;
      position: absolute;
      width: 86%;
      transition: var(--transition-base);
    }

    .stack-card-bg-left {
      background: #EBF3FC;
      border: 1px solid #CFE2FE;
      transform: rotate(-5deg) translateY(-20px) translateX(-25px);
      z-index: 1;
      opacity: 0.85;
    }

    .stack-card-bg-right {
      background: #FEF3EE;
      border: 1px solid #FED7C5;
      transform: rotate(4deg) translateY(25px) translateX(25px);
      z-index: 2;
      opacity: 0.9;
    }

    .stack-card-main {
      background: #ffffff;
      border: 1px solid var(--border-light);
      box-shadow: 0 20px 40px -10px rgba(30, 86, 160, 0.18);
      transform: rotate(0deg);
      z-index: 3;
    }

    .stack-metric-pill {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      font-weight: 700;
    }

    /* 板块二：内容日历 */
    .calendar-timeline {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
    }

    .calendar-item {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 22px;
      border: 1px solid var(--border-light);
      position: relative;
    }

    .calendar-date-badge {
      font-size: 0.78rem;
      font-weight: 800;
      color: var(--brand-primary);
      text-transform: uppercase;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 6px;
    }

    /* 板块三：热门专题矩阵 */
    .topic-card {
      height: 100%;
      padding: 28px 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .topic-icon-wrap {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(30, 86, 160, 0.08);
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      font-size: 1.3rem;
    }

    /* 板块四：观点解读 */
    .insight-card {
      padding: 26px;
      background: #fff;
      border-left: 4px solid var(--brand-primary);
      border-radius: 4px var(--radius-md) var(--radius-md) 4px;
    }

    /* 板块五：CMS 资讯列表 */
    .cms-layout-grid {
      display: grid;
      grid-template-columns: 1fr 1.3fr;
      gap: 30px;
    }

    .cms-featured-spot {
      background: linear-gradient(135deg, #1E56A0 0%, #163172 100%);
      color: #fff;
      border-radius: var(--radius-md);
      padding: 36px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      position: relative;
      overflow: hidden;
      min-height: 360px;
    }

    .cms-list-group {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .cms-list-row {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      padding: 16px 20px;
      transition: var(--transition-base);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 15px;
    }

    .cms-list-row:hover {
      border-color: var(--brand-primary);
      transform: translateX(4px);
      box-shadow: var(--shadow-sm);
    }

    .cms-more-link {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--brand-primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

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

    /* 板块六：媒体精选 */
    .media-card {
      background: #fff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .media-tag {
      font-size: 0.75rem;
      padding: 3px 10px;
      background: var(--bg-subtle);
      border-radius: var(--radius-pill);
      color: var(--text-muted);
      font-weight: 600;
    }

    /* 板块七：数据指标看板 */
    .stats-band {
      background: #0F172A;
      color: #fff;
      border-radius: var(--radius-lg);
      padding: 55px 35px;
    }

    .stat-number {
      font-size: 2.75rem;
      font-weight: 800;
      color: #38BDF8;
      line-height: 1.1;
      margin-bottom: 8px;
    }

    .stat-label {
      font-size: 0.95rem;
      color: #94A3B8;
      font-weight: 500;
    }

    /* 板块八：品控规范 */
    .standard-badge-icon {
      font-size: 2rem;
      color: var(--brand-accent);
      margin-bottom: 14px;
    }

    /* 板块十：FAQ Accordion */
    .faq-accordion .accordion-item {
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm) !important;
      margin-bottom: 14px;
      overflow: hidden;
      background: #fff;
    }

    .faq-accordion .accordion-button {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      padding: 18px 24px;
      box-shadow: none;
      background: #fff;
    }

    .faq-accordion .accordion-button:not(.collapsed) {
      color: var(--brand-primary);
      background-color: rgba(30, 86, 160, 0.04);
    }

    .faq-accordion .accordion-body {
      padding: 20px 24px;
      font-size: 0.95rem;
      color: var(--text-regular);
      line-height: 1.75;
      background: #FAFCFE;
    }

    /* 板块十一：平台保障条 */
    .guarantee-bar {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 30px 20px;
      box-shadow: var(--shadow-sm);
    }

    .guarantee-item {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 10px 15px;
    }

    .guarantee-icon {
      width: 46px;
      height: 46px;
      border-radius: 50%;
      background: rgba(30, 86, 160, 0.08);
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      flex-shrink: 0;
    }

    /* 板块十二：收口订阅/接入行动条 */
    .cta-container {
      background: linear-gradient(135deg, #1E56A0 0%, #004B99 100%);
      color: #fff;
      border-radius: var(--radius-lg);
      padding: 60px 45px;
      box-shadow: 0 16px 36px rgba(30, 86, 160, 0.22);
    }

    .cta-form-box {
      background: #ffffff;
      padding: 6px;
      border-radius: var(--radius-pill);
      display: flex;
      max-width: 520px;
      margin: 0 auto;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    }

    .cta-form-box input {
      flex: 1;
      border: none;
      padding: 12px 20px;
      font-size: 0.95rem;
      border-radius: var(--radius-pill);
      outline: none;
      color: var(--text-main);
    }

    .cta-form-box button {
      background: var(--brand-accent);
      color: #fff;
      border: none;
      padding: 12px 28px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.95rem;
      cursor: pointer;
      transition: var(--transition-base);
    }

    .cta-form-box button:hover {
      background: var(--brand-accent-hover);
    }

    /* 统一页脚 */
    .site-footer {
      background: #0B132B;
      color: #94A3B8;
      padding: 70px 0 35px;
      border-top: 1px solid #1E293B;
      font-size: 0.92rem;
    }

    .footer-title {
      font-size: 1.08rem;
      font-weight: 700;
      color: #FFFFFF;
      margin-bottom: 20px;
    }

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

    .footer-links li {
      margin-bottom: 12px;
    }

    .footer-links a:hover {
      color: #38BDF8;
    }

    .footer-bottom {
      margin-top: 50px;
      padding-top: 25px;
      border-top: 1px solid #1E293B;
      font-size: 0.82rem;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 15px;
    }

    /* 响应式微调 */
    @media (max-width: 991px) {
      .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 14px 0;
      }
      .nav-search-bar {
        order: 3;
        width: 100%;
        max-width: 100%;
      }
      .cms-layout-grid {
        grid-template-columns: 1fr;
      }
      .card-stack-container {
        margin-top: 40px;
        min-height: 340px;
      }
      .hero-h1 {
        font-size: 2.2rem;
      }
    }

    @media (max-width: 576px) {
      .section-spacing {
        padding: 55px 0;
      }
      .section-title {
        font-size: 1.7rem;
      }
      .hero-h1 {
        font-size: 1.85rem;
      }
      .cta-form-box {
        flex-direction: column;
        border-radius: var(--radius-md);
        background: transparent;
        box-shadow: none;
        gap: 10px;
      }
      .cta-form-box input {
        border-radius: var(--radius-pill);
        border: 1px solid rgba(255, 255, 255, 0.4);
      }
    }

/* roulang page: article */
:root {
      --brand-primary: #1E56A0;
      --brand-primary-hover: #163172;
      --brand-accent: #FF6B35;
      --brand-accent-hover: #e85926;
      --bg-page: #F8FAFC;
      --bg-surface: #FFFFFF;
      --bg-subtle: #F1F5F9;
      --text-main: #0F172A;
      --text-regular: #334155;
      --text-muted: #64748B;
      --border-light: #E2E8F0;
      --border-focus: #93C5FD;
      --shadow-sm: 0 2px 8px rgba(30, 86, 160, 0.04);
      --shadow-card: 0 4px 20px -2px rgba(30, 86, 160, 0.06);
      --shadow-hover: 0 16px 32px -4px rgba(30, 86, 160, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --transition-base: all 0.28s ease;
    }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-page);
      color: var(--text-regular);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-base);
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-light);
    }
    .header-inner {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.28rem;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      white-space: nowrap;
    }
    .brand-badge {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--brand-primary), #0066CC);
      color: #fff;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(30, 86, 160, 0.25);
    }
    .nav-search-bar {
      flex: 1;
      max-width: 520px;
      position: relative;
    }
    .nav-search-bar input {
      width: 100%;
      height: 44px;
      padding: 0 50px 0 42px;
      background-color: var(--bg-subtle);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-pill);
      font-size: 0.9rem;
      color: var(--text-main);
      transition: var(--transition-base);
    }
    .nav-search-bar input:focus {
      outline: none;
      background-color: #ffffff;
      border-color: var(--brand-primary);
      box-shadow: 0 0 0 3px rgba(30, 86, 160, 0.15);
    }
    .nav-search-icon {
      position: absolute;
      left: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      pointer-events: none;
    }
    .nav-search-btn {
      position: absolute;
      right: 6px;
      top: 50%;
      transform: translateY(-50%);
      height: 32px;
      padding: 0 14px;
      border: none;
      border-radius: var(--radius-pill);
      background: var(--brand-primary);
      color: #fff;
      font-size: 0.82rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition-base);
    }
    .nav-search-btn:hover {
      background: var(--brand-primary-hover);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 18px;
      margin: 0;
      padding: 0;
      list-style: none;
      white-space: nowrap;
    }
    .nav-link-item {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-regular);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
    }
    .nav-link-item:hover, .nav-link-item.active {
      color: var(--brand-primary);
      background-color: rgba(30, 86, 160, 0.05);
    }
    .btn-nav-action {
      background-color: var(--brand-accent);
      color: #fff !important;
      padding: 9px 20px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
    }
    .btn-nav-action:hover {
      background-color: var(--brand-accent-hover);
      transform: translateY(-1px);
    }
    .article-page-wrap {
      padding: 40px 0 80px;
    }
    .breadcrumb-nav {
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-bottom: 28px;
      display: flex;
      align-items: center;
      gap: 8px;
      flex-wrap: wrap;
    }
    .breadcrumb-nav a:hover {
      color: var(--brand-primary);
    }
    .article-header-panel {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 42px 48px;
      box-shadow: var(--shadow-card);
      margin-bottom: 32px;
    }
    .article-topic-badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      background: rgba(30, 86, 160, 0.08);
      color: var(--brand-primary);
      font-size: 0.82rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      margin-bottom: 16px;
    }
    .article-main-title {
      font-size: 2.15rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 20px;
      letter-spacing: -0.3px;
    }
    .article-summary-lead {
      font-size: 1.05rem;
      color: #475569;
      background-color: var(--bg-subtle);
      border-left: 4px solid var(--brand-primary);
      padding: 16px 20px;
      border-radius: 4px var(--radius-sm) var(--radius-sm) 4px;
      margin-bottom: 24px;
      line-height: 1.8;
    }
    .article-meta-bar {
      display: flex;
      align-items: center;
      gap: 22px;
      flex-wrap: wrap;
      font-size: 0.86rem;
      color: var(--text-muted);
      padding-top: 16px;
      border-top: 1px dashed var(--border-light);
    }
    .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .article-content-body {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 48px 52px;
      box-shadow: var(--shadow-card);
      font-size: 1.06rem;
      color: #273444;
      line-height: 1.9;
    }
    .article-content-body h2 {
      font-size: 1.55rem;
      font-weight: 700;
      color: var(--text-main);
      margin-top: 36px;
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-light);
      position: relative;
    }
    .article-content-body h2::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -1px;
      width: 48px;
      height: 3px;
      background-color: var(--brand-primary);
      border-radius: 2px;
    }
    .article-content-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--text-main);
      margin-top: 28px;
      margin-bottom: 14px;
    }
    .article-content-body p {
      margin-bottom: 22px;
    }
    .article-content-body ul, .article-content-body ol {
      margin-bottom: 24px;
      padding-left: 24px;
    }
    .article-content-body li {
      margin-bottom: 8px;
    }
    .article-content-body blockquote {
      margin: 28px 0;
      padding: 18px 24px;
      background-color: #F8FAFC;
      border-left: 4px solid var(--brand-primary);
      color: #334155;
      font-size: 0.98rem;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    }
    .article-content-body table {
      width: 100%;
      margin: 24px 0;
      border-collapse: collapse;
      font-size: 0.95rem;
    }
    .article-content-body th, .article-content-body td {
      padding: 12px 16px;
      border: 1px solid var(--border-light);
      text-align: left;
    }
    .article-content-body th {
      background-color: var(--bg-subtle);
      font-weight: 700;
      color: var(--text-main);
    }
    .license-notice-box {
      margin-top: 40px;
      padding: 20px 24px;
      background-color: #F8FAFC;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-sm);
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .social-interact-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 32px;
      padding: 20px 28px;
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
    }
    .interact-btns {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .btn-outline-action {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 8px 18px;
      border: 1px solid var(--border-light);
      background: #ffffff;
      color: var(--text-regular);
      font-size: 0.88rem;
      font-weight: 600;
      border-radius: var(--radius-pill);
      cursor: pointer;
    }
    .btn-outline-action:hover {
      border-color: var(--brand-primary);
      color: var(--brand-primary);
      background-color: rgba(30, 86, 160, 0.04);
    }
    .recommend-section {
      margin-top: 50px;
    }
    .recommend-section-title {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--text-main);
      margin-bottom: 24px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .recommend-card {
      background: #ffffff;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .recommend-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(30, 86, 160, 0.25);
    }
    .recommend-card-tag {
      font-size: 0.78rem;
      font-weight: 700;
      color: var(--brand-primary);
      background: rgba(30, 86, 160, 0.08);
      padding: 3px 8px;
      border-radius: 4px;
      display: inline-block;
      margin-bottom: 12px;
      align-self: flex-start;
    }
    .recommend-card-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .recommend-card-title a:hover {
      color: var(--brand-primary);
    }
    .recommend-card-desc {
      font-size: 0.86rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .recommend-card-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
      display: flex;
      justify-content: space-between;
      border-top: 1px solid #F1F5F9;
      padding-top: 12px;
    }
    .article-cta-panel {
      margin-top: 50px;
      background: linear-gradient(135deg, #1E56A0 0%, #163172 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 44px 48px;
      box-shadow: 0 16px 36px -6px rgba(30, 86, 160, 0.35);
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 24px;
    }
    .cta-left-content h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 10px;
      color: #ffffff;
    }
    .cta-left-content p {
      font-size: 0.98rem;
      color: rgba(255, 255, 255, 0.85);
      margin: 0;
      max-width: 580px;
      line-height: 1.7;
    }
    .cta-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-wrap: wrap;
    }
    .btn-cta-white {
      background-color: #ffffff;
      color: var(--brand-primary) !important;
      padding: 12px 26px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.95rem;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
    .btn-cta-white:hover {
      background-color: #F8FAFC;
      transform: translateY(-2px);
    }
    .btn-cta-accent {
      background-color: var(--brand-accent);
      color: #ffffff !important;
      padding: 12px 26px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.95rem;
      box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35);
    }
    .btn-cta-accent:hover {
      background-color: var(--brand-accent-hover);
      transform: translateY(-2px);
    }
    .empty-content-box {
      text-align: center;
      padding: 90px 24px;
      background: #ffffff;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
    }
    .empty-title {
      font-size: 1.45rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 12px;
    }
    .empty-desc {
      color: var(--text-muted);
      margin-bottom: 24px;
    }
    .site-footer {
      background-color: #ffffff;
      border-top: 1px solid var(--border-light);
      padding: 70px 0 35px;
      margin-top: 60px;
    }
    .footer-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      font-size: 0.88rem;
      color: var(--text-muted);
    }
    .footer-links a:hover {
      color: var(--brand-primary);
    }
    .footer-bottom {
      margin-top: 50px;
      padding-top: 24px;
      border-top: 1px solid var(--border-light);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    @media (max-width: 991px) {
      .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 12px 0;
      }
      .nav-search-bar {
        order: 3;
        width: 100%;
        max-width: 100%;
        margin-top: 8px;
      }
      .article-header-panel, .article-content-body {
        padding: 30px 24px;
      }
      .article-main-title {
        font-size: 1.7rem;
      }
      .article-cta-panel {
        padding: 32px 24px;
      }
    }
    @media (max-width: 576px) {
      .article-header-panel, .article-content-body {
        padding: 24px 16px;
      }
      .article-main-title {
        font-size: 1.45rem;
      }
      .cta-actions {
        width: 100%;
      }
      .btn-cta-white, .btn-cta-accent {
        width: 100%;
        text-align: center;
      }
    }

/* roulang page: category1 */
:root {
      --brand-primary: #1E56A0;
      --brand-primary-hover: #163172;
      --brand-accent: #FF6B35;
      --brand-accent-hover: #e85926;
      --bg-page: #F8FAFC;
      --bg-surface: #FFFFFF;
      --bg-subtle: #F1F5F9;
      --text-main: #0F172A;
      --text-regular: #334155;
      --text-muted: #64748B;
      --border-light: #E2E8F0;
      --border-focus: #93C5FD;
      --shadow-sm: 0 2px 8px rgba(30, 86, 160, 0.04);
      --shadow-card: 0 4px 20px -2px rgba(30, 86, 160, 0.06);
      --shadow-hover: 0 16px 32px -4px rgba(30, 86, 160, 0.12);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-pill: 9999px;
      --transition-base: all 0.28s ease;
    }
    body {
      margin: 0;
      padding: 0;
      background-color: var(--bg-page);
      color: var(--text-regular);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      line-height: 1.68;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition-base);
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-light);
    }
    .header-inner {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .brand-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 1.28rem;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      white-space: nowrap;
    }
    .brand-badge {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, var(--brand-primary), #0066CC);
      color: #fff;
      border-radius: var(--radius-sm);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(30, 86, 160, 0.25);
    }
    .nav-search-bar {
      flex: 1;
      max-width: 520px;
      position: relative;
    }
    .nav-search-bar input {
      width: 100%;
      height: 44px;
      padding: 0 50px 0 42px;
      background-color: var(--bg-subtle);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-pill);
      font-size: 0.9rem;
      color: var(--text-main);
      transition: var(--transition-base);
    }
    .nav-search-bar input:focus {
      outline: none;
      background-color: #ffffff;
      border-color: var(--brand-primary);
      box-shadow: 0 0 0 3px rgba(30, 86, 160, 0.15);
    }
    .nav-search-icon {
      position: absolute;
      left: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      pointer-events: none;
    }
    .nav-search-btn {
      position: absolute;
      right: 6px;
      top: 50%;
      transform: translateY(-50%);
      height: 32px;
      padding: 0 14px;
      border: none;
      border-radius: var(--radius-pill);
      background: var(--brand-primary);
      color: #fff;
      font-size: 0.82rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition-base);
    }
    .nav-search-btn:hover {
      background: var(--brand-primary-hover);
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 18px;
      margin: 0;
      padding: 0;
      list-style: none;
      white-space: nowrap;
    }
    .nav-link-item {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-regular);
      padding: 8px 12px;
      border-radius: var(--radius-sm);
    }
    .nav-link-item:hover, .nav-link-item.active {
      color: var(--brand-primary);
      background-color: rgba(30, 86, 160, 0.05);
    }
    .btn-nav-action {
      background-color: var(--brand-accent);
      color: #fff !important;
      padding: 9px 20px;
      border-radius: var(--radius-pill);
      font-weight: 700;
      font-size: 0.92rem;
      box-shadow: 0 4px 12px rgba(255, 107, 53, 0.25);
    }
    .btn-nav-action:hover {
      background-color: var(--brand-accent-hover);
      transform: translateY(-1px);
    }

    .section-spacing {
      padding: 70px 0;
    }
    .section-heading-area {
      margin-bottom: 40px;
    }
    .section-pill-tag {
      display: inline-block;
      padding: 5px 14px;
      background-color: rgba(30, 86, 160, 0.08);
      color: var(--brand-primary);
      font-size: 0.82rem;
      font-weight: 700;
      border-radius: var(--radius-pill);
      margin-bottom: 12px;
      letter-spacing: 0.5px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 1.02rem;
      color: var(--text-muted);
      max-width: 760px;
      margin: 0 auto;
      line-height: 1.7;
    }
    .app-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }
    .app-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(30, 86, 160, 0.2);
    }

    /* 分类页定制样式 */
    .cat-hero-wrap {
      background: #FFFFFF;
      border-bottom: 1px solid var(--border-light);
      padding: 56px 0 42px;
    }
    .cat-h1 {
      font-size: 2.45rem;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .cat-lead {
      font-size: 1.06rem;
      color: var(--text-regular);
      line-height: 1.75;
      max-width: 860px;
      margin-bottom: 30px;
    }
    .filter-pills-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px;
      padding-top: 18px;
      border-top: 1px dashed var(--border-light);
    }
    .filter-label {
      font-weight: 700;
      font-size: 0.88rem;
      color: var(--text-muted);
      margin-right: 6px;
    }
    .filter-chip {
      padding: 6px 16px;
      border-radius: var(--radius-pill);
      font-size: 0.85rem;
      font-weight: 600;
      background: var(--bg-subtle);
      color: var(--text-regular);
      border: 1px solid transparent;
      cursor: default;
    }
    .filter-chip.active {
      background: var(--brand-primary);
      color: #fff;
      box-shadow: 0 4px 10px rgba(30, 86, 160, 0.2);
    }

    .featured-showcase-card {
      background: #FFFFFF;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      display: flex;
      flex-direction: column;
    }
    @media (min-width: 992px) {
      .featured-showcase-card {
        flex-direction: row;
      }
      .featured-banner-side {
        width: 44%;
        min-height: 380px;
      }
      .featured-content-side {
        width: 56%;
      }
    }
    .featured-banner-side {
      background: linear-gradient(135deg, #163172 0%, #1E56A0 50%, #0066CC 100%);
      padding: 40px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      color: #fff;
      position: relative;
    }
    .featured-badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      background: rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-pill);
      font-size: 0.82rem;
      font-weight: 700;
      backdrop-filter: blur(4px);
    }
    .featured-metric-box {
      background: rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-sm);
      padding: 16px;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .featured-content-side {
      padding: 44px;
    }

    .catalog-item-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-shadow: var(--shadow-card);
      transition: var(--transition-base);
    }
    .catalog-item-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(30, 86, 160, 0.3);
    }
    .catalog-tag-line {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 14px;
    }
    .param-pill {
      font-size: 0.78rem;
      font-weight: 700;
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      background: rgba(30, 86, 160, 0.08);
      color: var(--brand-primary);
    }
    .rating-badge {
      font-size: 0.82rem;
      font-weight: 700;
      color: var(--brand-accent);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    .table-spec-custom {
      width: 100%;
      background: #fff;
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-light);
      box-shadow: var(--shadow-sm);
      margin-bottom: 0;
    }
    .table-spec-custom th {
      background-color: var(--bg-subtle);
      color: var(--text-main);
      font-weight: 700;
      padding: 16px 20px;
      font-size: 0.92rem;
      border-bottom: 2px solid var(--border-light);
      white-space: nowrap;
    }
    .table-spec-custom td {
      padding: 16px 20px;
      font-size: 0.9rem;
      color: var(--text-regular);
      border-bottom: 1px solid var(--border-light);
      vertical-align: middle;
    }
    .table-spec-custom tr:last-child td {
      border-bottom: none;
    }
    .table-spec-custom tbody tr:hover {
      background-color: rgba(30, 86, 160, 0.02);
    }

    .scene-box-card {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      height: 100%;
    }
    .scene-box-icon {
      width: 44px;
      height: 44px;
      border-radius: var(--radius-sm);
      background: rgba(30, 86, 160, 0.08);
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-bottom: 16px;
    }

    .faq-qcard {
      background: #FFFFFF;
      border: 1px solid var(--border-light);
      border-radius: var(--radius-md);
      padding: 24px;
      box-shadow: var(--shadow-card);
      height: 100%;
    }
    .faq-qcard-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .faq-q-mark {
      background: var(--brand-primary);
      color: #fff;
      font-size: 0.76rem;
      font-weight: 800;
      padding: 2px 7px;
      border-radius: 4px;
      margin-top: 3px;
    }

    .cat-cta-band {
      background: linear-gradient(135deg, #F1F5F9 0%, #FFFFFF 100%);
      border: 1px solid var(--border-light);
      border-radius: var(--radius-lg);
      padding: 44px;
      box-shadow: var(--shadow-card);
    }

    /* 资讯板块 */
    .cms-list-wrap {
      background: #FFFFFF;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-light);
      padding: 24px;
      box-shadow: var(--shadow-card);
    }
    .cms-item-link {
      display: block;
      padding: 16px;
      border-radius: var(--radius-sm);
      border-bottom: 1px solid var(--border-light);
      transition: var(--transition-base);
    }
    .cms-item-link:last-child {
      border-bottom: none;
    }
    .cms-item-link:hover {
      background-color: var(--bg-subtle);
      padding-left: 20px;
    }

    /* 页脚统一规范 */
    .site-footer {
      background: #FFFFFF;
      border-top: 1px solid var(--border-light);
      padding: 70px 0 28px;
      color: var(--text-regular);
    }
    .footer-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: var(--text-muted);
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: var(--brand-primary);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-light);
      padding-top: 24px;
      margin-top: 50px;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 16px;
      font-size: 0.88rem;
      color: var(--text-muted);
    }

    @media (max-width: 991.98px) {
      .header-inner {
        flex-wrap: wrap;
        height: auto;
        padding: 14px 0;
      }
      .nav-search-bar {
        order: 3;
        width: 100%;
        max-width: 100%;
      }
      .nav-links {
        gap: 10px;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}