/* roulang page: index */
:root {
      --primary-blue: #1456c6;
      --primary-dark: #0f3c8a;
      --bg-page: #f8fafc;
      --border-color: #e5e9f2;
      --text-main: #1d263a;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --card-bg: #ffffff;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease, opacity 0.2s ease;
    }
    a:hover {
      color: var(--primary-blue);
    }

    /* 顶部细条 */
    .top-bar-sub {
      background: #0f2b5c;
      color: #9cb5db;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .top-bar-sub .grid-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 品牌主头 */
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }
    .header-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .brand-logo-icon {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, #1862ea, #0b45ab);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -1px;
      box-shadow: 0 4px 10px rgba(20, 86, 198, 0.25);
    }
    .brand-meta h1 {
      font-size: 22px;
      font-weight: 700;
      color: #111a2c;
      line-height: 1.2;
      margin: 0;
    }
    .brand-meta span {
      font-size: 11px;
      color: var(--text-light);
      text-transform: uppercase;
      letter-spacing: 1px;
      display: block;
    }
    .brand-slogan {
      font-size: 13px;
      color: #64748b;
      border-left: 1px solid #e2e8f0;
      padding-left: 14px;
      margin-left: 14px;
    }
    .header-search {
      position: relative;
      width: 320px;
    }
    .header-search input {
      width: 100%;
      height: 38px;
      background: #f1f5f9;
      border: 1px solid #e2e8f0;
      border-radius: 4px;
      font-size: 13px;
      padding: 0 36px 0 12px;
      color: #334155;
      margin-bottom: 0;
    }
    .header-search input:focus {
      background: #fff;
      border-color: var(--primary-blue);
      box-shadow: none;
    }
    .header-search .search-arrow {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: #94a3b8;
      font-size: 13px;
      pointer-events: none;
    }

    /* 主导航 */
    .main-nav-bar {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }
    .nav-list-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .main-nav {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 28px;
    }
    .main-nav li a {
      display: inline-block;
      font-size: 15px;
      color: #334155;
      padding: 14px 2px;
      position: relative;
      font-weight: 500;
    }
    .main-nav li.active a {
      color: var(--primary-blue);
      font-weight: 600;
    }
    .main-nav li.active a::after {
      content: "";
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-blue);
    }
    .nav-right-link {
      font-size: 14px;
      color: #475569;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 顶部通知/快报条目 */
    .headline-bar-section {
      padding: 24px 0 16px;
    }
    .headline-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      display: flex;
      align-items: stretch;
      overflow: hidden;
    }
    .headline-tag {
      background: #0f2347;
      color: #ffffff;
      padding: 0 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 600;
      white-space: nowrap;
    }
    .headline-title-area {
      padding: 16px 24px;
      display: flex;
      align-items: baseline;
      gap: 16px;
      flex: 1;
    }
    .headline-title-area h2 {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
    }
    .headline-title-area p {
      font-size: 13px;
      color: #64748b;
      margin: 0;
    }

    /* 四格频道速览卡片 */
    .quick-channels {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      margin-top: 14px;
    }
    .channel-cell {
      padding: 18px 20px;
      border-right: 1px solid var(--border-color);
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      transition: background-color 0.2s;
    }
    .channel-cell:last-child {
      border-right: none;
    }
    .channel-cell:hover {
      background: #f8fafc;
    }
    .channel-num {
      font-size: 12px;
      font-weight: 700;
      color: #1e293b;
      margin-right: 8px;
    }
    .channel-name {
      font-size: 16px;
      font-weight: 600;
      color: #0f172a;
      display: block;
      margin-bottom: 2px;
    }
    .channel-desc {
      font-size: 12px;
      color: #94a3b8;
      display: block;
    }
    .channel-arrow {
      color: #94a3b8;
      font-size: 14px;
    }
    .channel-btn-cell {
      background: var(--primary-blue);
      color: #ffffff;
      padding: 18px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      cursor: pointer;
      transition: background 0.2s;
    }
    .channel-btn-cell:hover {
      background: var(--primary-dark);
      color: #ffffff;
    }
    .channel-btn-cell span {
      font-size: 15px;
      font-weight: 600;
    }

    /* 核心双栏展示 (Hero & 列表) */
    .main-section-flow {
      padding: 24px 0 48px;
    }
    .section-column-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 12px;
      margin-bottom: 14px;
      border-bottom: 1px solid #cbd5e1;
    }
    .section-column-head .col-title {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .section-column-head .col-title::before {
      content: "";
      width: 4px;
      height: 18px;
      background: var(--primary-blue);
      display: inline-block;
    }
    .section-column-head .col-arrow {
      color: #64748b;
      font-size: 14px;
    }
    .section-column-desc {
      font-size: 13px;
      color: #64748b;
      margin-bottom: 16px;
      min-height: 20px;
    }

    /* 首图大卡 */
    .hero-feature-card {
      position: relative;
      border-radius: 4px;
      overflow: hidden;
      height: 270px;
      background-size: cover;
      background-position: center;
      margin-bottom: 20px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 24px;
    }
    .hero-feature-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15,23,42,0.1) 0%, rgba(15,23,42,0.85) 100%);
    }
    .hero-feature-card .card-content {
      position: relative;
      z-index: 2;
      color: #ffffff;
    }
    .hero-feature-card h3 {
      font-size: 24px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 14px;
      line-height: 1.3;
    }
    .hero-feature-card .slider-ctrls {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: #cbd5e1;
    }
    .slider-ctrls .ctrl-btn {
      width: 22px;
      height: 22px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.4);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-size: 10px;
    }

    /* 列表条目 */
    .news-list-block {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 16px 20px;
      margin-bottom: 16px;
    }
    .news-item {
      display: flex;
      align-items: baseline;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid #f1f5f9;
      gap: 16px;
    }
    .news-item:last-child {
      border-bottom: none;
      padding-bottom: 4px;
    }
    .news-item-left {
      flex: 1;
      overflow: hidden;
    }
    .news-item-title {
      font-size: 15px;
      font-weight: 600;
      color: #1e293b;
      margin-bottom: 4px;
      display: block;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .news-item:hover .news-item-title {
      color: var(--primary-blue);
    }
    .news-item-source {
      font-size: 12px;
      color: #94a3b8;
    }
    .news-item-date {
      font-size: 12px;
      color: #94a3b8;
      white-space: nowrap;
    }

    .more-link-btn {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 12px 18px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      font-size: 14px;
      color: #334155;
      font-weight: 500;
      transition: all 0.2s;
    }
    .more-link-btn:hover {
      background: #f1f5f9;
      color: var(--primary-blue);
      border-color: #cbd5e1;
    }

    /* 业务规范要点网格 */
    .settle-rule-section {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
      padding: 40px 0;
      margin-bottom: 30px;
    }
    .rule-box-header {
      margin-bottom: 24px;
    }
    .rule-box-header h3 {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
    }
    .rule-card {
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 20px;
      background: #fcfdfe;
      height: 100%;
    }
    .rule-card-tag {
      font-size: 12px;
      color: var(--primary-blue);
      font-weight: 600;
      margin-bottom: 6px;
      text-transform: uppercase;
    }
    .rule-card h4 {
      font-size: 16px;
      font-weight: 600;
      color: #1e293b;
      margin-bottom: 8px;
    }
    .rule-card p {
      font-size: 13px;
      color: #64748b;
      line-height: 1.6;
      margin: 0;
    }

    /* 站脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 24px;
      color: #64748b;
    }
    .footer-brand h4 {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }
    .footer-brand p {
      font-size: 13px;
      color: #64748b;
      max-width: 380px;
      line-height: 1.6;
    }
    .footer-col-title {
      font-size: 14px;
      font-weight: 600;
      color: #0f172a;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links li a {
      font-size: 13px;
      color: #64748b;
    }
    .footer-links li a:hover {
      color: var(--primary-blue);
    }
    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      margin-top: 40px;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 12px;
      color: #94a3b8;
    }

    /* 移动端与响应式断点适配 */
    @media screen and (max-width: 1024px) {
      .quick-channels {
        display: flex;
        flex-wrap: wrap;
      }
      .channel-cell {
        width: 50%;
        border-bottom: 1px solid var(--border-color);
      }
      .channel-btn-cell {
        width: 100%;
      }
    }

    @media screen and (max-width: 768px) {
      .top-bar-sub {
        display: none;
      }
      .site-header {
        padding: 12px 0;
      }
      .header-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
      }
      .brand-slogan {
        display: none;
      }
      .header-search {
        width: 100%;
      }
      .main-nav-bar {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
      }
      .nav-list-wrap {
        display: block;
      }
      .main-nav {
        gap: 18px;
        padding-bottom: 4px;
      }
      .nav-right-link {
        display: none;
      }
      .headline-card {
        flex-direction: column;
      }
      .headline-tag {
        padding: 8px 16px;
        justify-content: flex-start;
      }
      .headline-title-area {
        flex-direction: column;
        gap: 6px;
        padding: 14px 16px;
      }
      .channel-cell {
        width: 100%;
        border-right: none;
      }
      .hero-feature-card {
        height: 200px;
        padding: 16px;
      }
      .hero-feature-card h3 {
        font-size: 18px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
      }
    }

    @media screen and (max-width: 520px) {
      .news-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
      }
      .news-item-title {
        white-space: normal;
      }
    }

/* roulang page: category1 */
:root {
      --primary-blue: #1456c6;
      --primary-dark: #0f3c8a;
      --bg-page: #f8fafc;
      --border-color: #e5e9f2;
      --text-main: #1d263a;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --card-bg: #ffffff;
    }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      line-height: 1.5;
      -webkit-font-smoothing: antialiased;
      margin: 0;
      padding: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease, opacity 0.2s ease;
    }
    a:hover {
      color: var(--primary-blue);
    }
    .top-bar-sub {
      background: #0b1e3b;
      color: #94a3b8;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .top-bar-sub .grid-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    /* 站点头部 */
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }
    .header-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .brand-logo-icon {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, #1862ea, #0b45ab);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -1px;
      box-shadow: 0 4px 10px rgba(20, 86, 198, 0.25);
    }
    .brand-meta h1 {
      font-size: 22px;
      font-weight: 700;
      color: #111a2c;
      line-height: 1.2;
      margin: 0;
    }
    .brand-meta span {
      font-size: 11px;
      color: var(--text-light);
      text-transform: uppercase;
      letter-spacing: 1px;
      display: block;
    }
    .brand-slogan {
      font-size: 13px;
      color: #64748b;
      border-left: 1px solid #e2e8f0;
      padding-left: 14px;
      margin-left: 14px;
    }
    .header-search {
      position: relative;
      width: 320px;
    }
    .header-search input {
      width: 100%;
      height: 38px;
      background: #f1f5f9;
      border: 1px solid #e2e8f0;
      border-radius: 4px;
      font-size: 13px;
      padding: 0 36px 0 12px;
      color: #334155;
      margin-bottom: 0;
    }
    .header-search input:focus {
      background: #fff;
      border-color: var(--primary-blue);
      box-shadow: none;
    }
    .header-search .search-arrow {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: #94a3b8;
      font-size: 13px;
      pointer-events: none;
    }

    /* 主导航 */
    .main-nav-bar {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }
    .nav-list-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .main-nav {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 28px;
    }
    .main-nav li a {
      display: inline-block;
      font-size: 15px;
      color: #334155;
      padding: 14px 2px;
      position: relative;
      font-weight: 500;
    }
    .main-nav li.active a {
      color: var(--primary-blue);
      font-weight: 600;
    }
    .main-nav li.active a::after {
      content: "";
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-blue);
    }
    .nav-right-link {
      font-size: 14px;
      color: #475569;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* 分类页顶部通道看板 */
    .category-desk-section {
      padding: 24px 0 16px;
    }
    .desk-board {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      display: flex;
      align-items: stretch;
      overflow: hidden;
    }
    .desk-tag {
      background: #0f2347;
      color: #ffffff;
      padding: 0 24px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 180px;
    }
    .desk-tag span {
      font-size: 11px;
      letter-spacing: 1px;
      color: #94a3b8;
      text-transform: uppercase;
    }
    .desk-tag strong {
      font-size: 18px;
      font-weight: 700;
    }
    .desk-nav-grid {
      display: flex;
      flex: 1;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .desk-nav-item {
      flex: 1;
      padding: 16px 20px;
      border-right: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .desk-nav-item:last-child {
      border-right: none;
    }
    .desk-nav-item h4 {
      font-size: 15px;
      font-weight: 600;
      color: #0f172a;
      margin: 0 0 4px;
    }
    .desk-nav-item p {
      font-size: 12px;
      color: var(--text-muted);
      margin: 0;
    }
    .desk-action-btn {
      background: var(--primary-blue);
      color: #ffffff;
      padding: 0 24px;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      transition: background 0.2s;
      white-space: nowrap;
    }
    .desk-action-btn:hover {
      background: var(--primary-dark);
      color: #ffffff;
    }

    /* 规则概览与流程 */
    .rules-grid-section {
      padding: 16px 0 32px;
    }
    .spec-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 24px;
      height: 100%;
      position: relative;
    }
    .spec-card .spec-num {
      font-size: 12px;
      font-weight: 700;
      color: var(--primary-blue);
      letter-spacing: 1px;
      margin-bottom: 8px;
    }
    .spec-card h3 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 12px;
    }
    .spec-card p {
      font-size: 14px;
      color: #475569;
      line-height: 1.6;
      margin-bottom: 0;
    }

    /* 核心双栏展示 (Hero & 列表) */
    .main-section-flow {
      padding: 16px 0 48px;
    }
    .section-column-head {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 12px;
      margin-bottom: 14px;
      border-bottom: 1px solid #cbd5e1;
    }
    .section-column-head .col-title {
      font-size: 20px;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      align-items: center;
      gap: 8px;
      margin: 0;
    }
    .section-column-head .col-title::before {
      content: "";
      width: 4px;
      height: 18px;
      background: var(--primary-blue);
      display: inline-block;
    }
    .section-column-head .col-arrow {
      color: #64748b;
      font-size: 14px;
    }
    .section-column-desc {
      font-size: 13px;
      color: #64748b;
      margin-bottom: 16px;
      min-height: 20px;
    }
    .hero-feature-card {
      position: relative;
      border-radius: 4px;
      overflow: hidden;
      height: 260px;
      background-size: cover;
      background-position: center;
      margin-bottom: 20px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 24px;
    }
    .hero-feature-card::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15,23,42,0.1) 0%, rgba(15,23,42,0.85) 100%);
    }
    .hero-feature-card .card-content {
      position: relative;
      z-index: 2;
      color: #ffffff;
    }
    .hero-feature-card h3 {
      font-size: 22px;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 12px;
      line-height: 1.3;
    }
    .hero-feature-card .slider-ctrls {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 12px;
      color: #cbd5e1;
    }
    .slider-ctrls .ctrl-btn {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      border: 1px solid rgba(255,255,255,0.4);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
    }

    /* 资讯列表行 */
    .article-item-row {
      display: block;
      padding: 14px 0;
      border-bottom: 1px solid #edf2f7;
      transition: background 0.15s;
    }
    .article-item-row:hover .row-title {
      color: var(--primary-blue);
    }
    .article-item-row .row-title {
      font-size: 15px;
      color: #1e293b;
      font-weight: 500;
      line-height: 1.4;
      margin-bottom: 6px;
      transition: color 0.15s;
    }
    .article-item-row .row-meta {
      display: flex;
      justify-content: space-between;
      font-size: 12px;
      color: #94a3b8;
    }
    .more-link-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: #334155;
      padding-top: 14px;
    }
    .more-link-btn:hover {
      color: var(--primary-blue);
    }

    /* 业务答疑卡片 */
    .faq-flow-section {
      padding: 16px 0 48px;
    }
    .faq-box {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 24px;
      margin-bottom: 16px;
    }
    .faq-box h4 {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .faq-box h4::before {
      content: "Q";
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 22px;
      height: 22px;
      background: #e2e8f0;
      color: var(--primary-blue);
      font-size: 12px;
      border-radius: 4px;
      font-weight: 700;
    }
    .faq-box p {
      font-size: 13px;
      color: #475569;
      line-height: 1.6;
      margin: 0;
      padding-left: 30px;
    }

    /* 底部声明与页脚 */
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 48px 0 24px;
      color: #475569;
      font-size: 13px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-bottom: 16px;
    }
    .footer-brand h4 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
    }
    .footer-col-title {
      font-size: 14px;
      font-weight: 600;
      color: #0f172a;
      margin-bottom: 14px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      color: #64748b;
    }
    .footer-links a:hover {
      color: var(--primary-blue);
    }
    .footer-bottom {
      border-top: 1px solid var(--border-color);
      margin-top: 36px;
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      color: #94a3b8;
      font-size: 12px;
    }

    /* 移动端与平板响应式断点 */
    @media (max-width: 1024px) {
      .desk-board {
        flex-direction: column;
      }
      .desk-tag {
        padding: 16px;
      }
      .desk-nav-grid {
        flex-wrap: wrap;
      }
      .desk-nav-item {
        flex: 1 1 50%;
        border-bottom: 1px solid var(--border-color);
      }
      .desk-action-btn {
        padding: 14px;
        justify-content: center;
      }
    }
    @media (max-width: 768px) {
      .top-bar-sub {
        display: none;
      }
      .header-wrapper {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
      }
      .brand-slogan {
        display: none;
      }
      .header-search {
        width: 100%;
      }
      .nav-list-wrap {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 4px;
      }
      .main-nav {
        gap: 18px;
      }
      .nav-right-link {
        display: none;
      }
      .hero-feature-card {
        height: 220px;
      }
      .hero-feature-card h3 {
        font-size: 18px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 8px;
      }
    }
    @media (max-width: 520px) {
      .desk-nav-item {
        flex: 1 1 100%;
        border-right: none;
      }
      .spec-card {
        margin-bottom: 12px;
      }
    }

/* roulang page: article */
:root {
      --primary-blue: #1456c6;
      --primary-dark: #0f3c8a;
      --bg-page: #f8fafc;
      --border-color: #e5e9f2;
      --text-main: #1d263a;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --card-bg: #ffffff;
    }
    body {
      background-color: var(--bg-page);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      margin: 0;
      padding: 0;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease, opacity 0.2s ease;
    }
    a:hover {
      color: var(--primary-blue);
    }
    .top-bar-sub {
      background: #0f2347;
      color: #94a3b8;
      font-size: 12px;
      padding: 6px 0;
      border-bottom: 1px solid #1e3a6a;
    }
    .top-bar-sub .grid-container {
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .site-header {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
      padding: 16px 0;
    }
    .header-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .brand-box {
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .brand-logo-icon {
      width: 44px;
      height: 44px;
      background: linear-gradient(135deg, #1862ea, #0b45ab);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 22px;
      font-weight: 800;
      letter-spacing: -1px;
      box-shadow: 0 4px 10px rgba(20, 86, 198, 0.25);
    }
    .brand-meta h2 {
      font-size: 22px;
      font-weight: 700;
      color: #111a2c;
      line-height: 1.2;
      margin: 0;
    }
    .brand-meta span {
      font-size: 11px;
      color: var(--text-light);
      text-transform: uppercase;
      letter-spacing: 1px;
      display: block;
    }
    .brand-slogan {
      font-size: 13px;
      color: #64748b;
      border-left: 1px solid #e2e8f0;
      padding-left: 14px;
      margin-left: 14px;
    }
    .header-search {
      position: relative;
      width: 320px;
    }
    .header-search input {
      width: 100%;
      height: 38px;
      background: #f1f5f9;
      border: 1px solid #e2e8f0;
      border-radius: 4px;
      font-size: 13px;
      padding: 0 36px 0 12px;
      color: #334155;
      margin-bottom: 0;
    }
    .header-search input:focus {
      background: #fff;
      border-color: var(--primary-blue);
      box-shadow: none;
    }
    .header-search .search-arrow {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: #94a3b8;
      font-size: 13px;
      pointer-events: none;
    }
    .main-nav-bar {
      background: #ffffff;
      border-bottom: 1px solid var(--border-color);
    }
    .nav-list-wrap {
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .main-nav {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 28px;
    }
    .main-nav li a {
      display: inline-block;
      font-size: 15px;
      color: #334155;
      padding: 14px 2px;
      position: relative;
      font-weight: 500;
    }
    .main-nav li.active a {
      color: var(--primary-blue);
      font-weight: 600;
    }
    .main-nav li.active a::after {
      content: "";
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--primary-blue);
    }
    .nav-right-link {
      font-size: 14px;
      color: #475569;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .article-wrap {
      padding: 32px 0 56px;
    }
    .crumb-bar {
      margin-bottom: 20px;
      font-size: 13px;
      color: var(--text-muted);
    }
    .crumb-bar a {
      color: var(--text-muted);
    }
    .crumb-bar a:hover {
      color: var(--primary-blue);
    }
    .article-main-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 36px 40px;
      margin-bottom: 30px;
    }
    .article-header-box {
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 20px;
      margin-bottom: 26px;
    }
    .article-cat-badge {
      display: inline-block;
      background: #edf2f7;
      color: var(--primary-blue);
      font-size: 12px;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 2px;
      margin-bottom: 12px;
    }
    .article-title-main {
      font-size: 28px;
      font-weight: 700;
      color: #0f172a;
      line-height: 1.4;
      margin: 0 0 16px;
    }
    .article-meta-line {
      display: flex;
      align-items: center;
      gap: 20px;
      font-size: 13px;
      color: var(--text-light);
    }
    .article-meta-line span {
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .article-body-content {
      font-size: 16px;
      color: #334155;
      line-height: 1.85;
      word-wrap: break-word;
    }
    .article-body-content p {
      margin-bottom: 18px;
    }
    .article-body-content h2,
    .article-body-content h3 {
      color: #0f172a;
      font-weight: 700;
      margin-top: 28px;
      margin-bottom: 14px;
      border-left: 4px solid var(--primary-blue);
      padding-left: 10px;
    }
    .article-body-content ul,
    .article-body-content ol {
      margin-left: 20px;
      margin-bottom: 18px;
    }
    .article-not-found {
      padding: 60px 0;
      text-align: center;
      color: var(--text-muted);
    }
    .article-not-found a {
      color: var(--primary-blue);
      font-weight: 600;
      margin-top: 14px;
      display: inline-block;
    }
    .side-hero-banner {
      position: relative;
      border-radius: 4px;
      overflow: hidden;
      height: 160px;
      margin-bottom: 24px;
      background-size: cover;
      background-position: center;
      display: flex;
      align-items: flex-end;
      padding: 16px;
    }
    .side-hero-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(15,23,42,0.1) 0%, rgba(15,23,42,0.85) 100%);
    }
    .side-hero-banner .banner-text {
      position: relative;
      z-index: 2;
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
    }
    .side-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 20px;
      margin-bottom: 24px;
    }
    .side-title-head {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 10px;
      margin-bottom: 14px;
    }
    .side-title-head h3 {
      font-size: 16px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
      display: flex;
      align-items: center;
      gap: 6px;
    }
    .side-title-head h3::before {
      content: "";
      width: 3px;
      height: 14px;
      background: var(--primary-blue);
      display: inline-block;
    }
    .side-news-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .side-news-list li {
      padding: 10px 0;
      border-bottom: 1px dashed #f1f5f9;
      font-size: 14px;
    }
    .side-news-list li:last-child {
      border-bottom: none;
    }
    .side-news-list li a {
      color: #334155;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      line-height: 1.45;
    }
    .side-news-list li a:hover {
      color: var(--primary-blue);
    }
    .side-news-list .item-meta {
      font-size: 12px;
      color: var(--text-light);
      margin-top: 4px;
    }
    .related-section {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 4px;
      padding: 24px 28px;
      margin-top: 24px;
    }
    .related-head {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
      padding-bottom: 10px;
      border-bottom: 1px solid var(--border-color);
    }
    .related-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .related-card-item {
      display: flex;
      gap: 12px;
      align-items: center;
    }
    .related-card-item img {
      width: 72px;
      height: 52px;
      object-fit: cover;
      border-radius: 3px;
      flex-shrink: 0;
    }
    .related-card-text a {
      font-size: 14px;
      font-weight: 600;
      color: #1e293b;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .related-card-text a:hover {
      color: var(--primary-blue);
    }
    .site-footer {
      background: #ffffff;
      border-top: 1px solid var(--border-color);
      padding: 44px 0 24px;
      margin-top: 40px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }
    .footer-brand h4 {
      font-size: 18px;
      font-weight: 700;
      color: #0f172a;
      margin: 0;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 16px;
      border-left: 3px solid var(--primary-blue);
      padding-left: 8px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 8px;
      font-size: 13px;
      color: #64748b;
    }
    .footer-links li a {
      color: #64748b;
    }
    .footer-links li a:hover {
      color: var(--primary-blue);
    }
    .footer-bottom {
      border-top: 1px solid #f1f5f9;
      margin-top: 32px;
      padding-top: 20px;
      font-size: 12px;
      color: var(--text-light);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }
    @media (max-width: 1024px) {
      .header-search { width: 240px; }
      .brand-slogan { display: none; }
    }
    @media (max-width: 768px) {
      .header-wrapper { flex-direction: column; align-items: flex-start; gap: 14px; }
      .header-search { width: 100%; }
      .nav-list-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; }
      .main-nav { gap: 18px; white-space: nowrap; }
      .nav-right-link { display: none; }
      .article-main-card { padding: 20px 16px; }
      .article-title-main { font-size: 22px; }
      .related-grid { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; text-align: left; }
    }
    @media (max-width: 520px) {
      .main-nav li a { font-size: 14px; padding: 10px 0; }
      .article-meta-line { flex-wrap: wrap; gap: 10px; }
    }