/* roulang page: index */
:root {
      --site-primary: #1f50a2;
      --site-primary-hover: #143b7d;
      --site-bg-dark: #08111e;
      --site-text-main: #1d2129;
      --site-text-sub: #4e5969;
      --site-text-muted: #86909c;
      --site-border: #e5e6eb;
      --site-bg-page: #f7f8fa;
      --site-bg-card: #ffffff;
    }

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

    /* 顶部黑色公告微栏 */
    .top-utility-bar {
      background-color: var(--site-bg-dark);
      color: #8b99aa;
      font-size: 12px;
      padding: 6px 0;
      line-height: 1.5;
    }
    .top-utility-bar a {
      color: #8b99aa;
      text-decoration: none;
      transition: color .2s;
    }
    .top-utility-bar a:hover {
      color: #ffffff;
    }

    /* 主头与主导航 */
    .site-header {
      background-color: #ffffff;
      border-bottom: 1px solid var(--site-border);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .header-top {
      padding: 16px 0;
      border-bottom: 1px solid #f2f3f5;
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .brand-logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #1f50a2 0%, #3b74d4 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      font-size: 20px;
    }
    .brand-logo-text h1 {
      font-size: 20px;
      font-weight: 700;
      color: #111827;
      margin: 0;
      line-height: 1.2;
      letter-spacing: -0.2px;
    }
    .brand-logo-text span {
      font-size: 11px;
      color: var(--site-text-muted);
      letter-spacing: 0.5px;
      text-transform: uppercase;
      display: block;
      margin-top: 2px;
    }
    .header-slogan {
      border-left: 1px solid var(--site-border);
      padding-left: 16px;
      margin-left: 16px;
      color: var(--site-text-sub);
      font-size: 13px;
    }

    /* 搜索栏 */
    .header-search {
      position: relative;
      max-width: 340px;
      width: 100%;
    }
    .header-search input {
      border: 1px solid #e2e8f0;
      background-color: #f8fafc;
      border-radius: 6px;
      padding: 8px 36px 8px 14px;
      font-size: 13px;
      width: 100%;
      outline: none;
      transition: border-color .2s, background-color .2s;
    }
    .header-search input:focus {
      background-color: #ffffff;
      border-color: var(--site-primary);
    }
    .header-search .search-arrow {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--site-text-muted);
      cursor: pointer;
    }

    /* 导航栏 */
    .main-nav-bar {
      padding: 0;
    }
    .main-nav-list {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      align-items: center;
      gap: 28px;
    }
    .main-nav-item a {
      display: inline-block;
      padding: 14px 0;
      font-size: 14px;
      font-weight: 500;
      color: #333333;
      text-decoration: none;
      position: relative;
      transition: color .2s;
    }
    .main-nav-item.active a,
    .main-nav-item a:hover {
      color: var(--site-primary);
    }
    .main-nav-item.active a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--site-primary);
    }
    .nav-right-link {
      font-size: 13px;
      color: var(--site-text-sub);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .nav-right-link:hover {
      color: var(--site-primary);
    }

    /* 首屏横向四列分类矩阵卡片 */
    .channel-strip-section {
      padding: 24px 0 16px;
    }
    .channel-strip-box {
      background: #ffffff;
      border: 1px solid var(--site-border);
      border-radius: 4px;
      display: flex;
      overflow: hidden;
    }
    .channel-strip-lead {
      background-color: #111e38;
      color: #ffffff;
      padding: 16px 20px;
      min-width: 140px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .channel-strip-lead .tag {
      font-size: 10px;
      letter-spacing: 1px;
      color: #8da4c4;
      font-weight: 600;
      text-transform: uppercase;
      margin-bottom: 4px;
    }
    .channel-strip-lead .title {
      font-size: 15px;
      font-weight: 700;
      margin: 0;
      line-height: 1.3;
    }
    .channel-strip-cells {
      display: flex;
      flex: 1;
    }
    .channel-cell {
      flex: 1;
      padding: 14px 18px;
      border-left: 1px solid var(--site-border);
      text-decoration: none;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: background-color .2s;
    }
    .channel-cell:hover {
      background-color: #f8fafc;
    }
    .channel-cell-info .num {
      font-size: 11px;
      color: var(--site-text-muted);
      font-weight: 600;
      margin-right: 4px;
    }
    .channel-cell-info .name {
      font-size: 14px;
      font-weight: 600;
      color: #1f2329;
      display: inline-block;
    }
    .channel-cell-info .desc {
      font-size: 12px;
      color: var(--site-text-muted);
      margin-top: 3px;
    }
    .channel-cell .cell-icon {
      color: #94a3b8;
      font-size: 14px;
    }
    .channel-cell-btn {
      background-color: var(--site-primary);
      color: #ffffff;
      padding: 14px 22px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 500;
      text-decoration: none;
      white-space: nowrap;
      transition: background-color .2s;
    }
    .channel-cell-btn:hover {
      background-color: var(--site-primary-hover);
      color: #ffffff;
    }

    /* 核心专栏区域 */
    .content-desk-section {
      padding: 12px 0 40px;
    }
    .desk-card {
      background: var(--site-bg-card);
      border: 1px solid var(--site-border);
      border-radius: 4px;
      padding: 24px;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .desk-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 6px;
      padding-bottom: 8px;
    }
    .desk-title-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .desk-title-bar {
      width: 4px;
      height: 18px;
      background-color: var(--site-primary);
      border-radius: 2px;
      display: inline-block;
    }
    .desk-title {
      font-size: 17px;
      font-weight: 700;
      color: #111827;
      margin: 0;
    }
    .desk-corner-arrow {
      color: var(--site-text-muted);
      font-size: 15px;
      text-decoration: none;
      transition: color .2s;
    }
    .desk-corner-arrow:hover {
      color: var(--site-primary);
    }
    .desk-sub {
      font-size: 12px;
      color: var(--site-text-muted);
      margin-bottom: 18px;
    }

    /* 大焦点图轮播卡片 (按照参考图严格还原本色与遮罩) */
    .hero-featured-card {
      position: relative;
      border-radius: 4px;
      overflow: hidden;
      margin-bottom: 20px;
      background-color: #0b1526;
      height: 240px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 20px;
    }
    .hero-featured-bg {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.38;
      z-index: 1;
      transition: transform .4s ease;
    }
    .hero-featured-card:hover .hero-featured-bg {
      transform: scale(1.03);
    }
    .hero-featured-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(7,14,27,0.1) 0%, rgba(7,14,27,0.85) 100%);
      z-index: 2;
    }
    .hero-featured-content {
      position: relative;
      z-index: 3;
    }
    .hero-featured-title {
      font-size: 19px;
      font-weight: 700;
      color: #ffffff;
      text-decoration: none;
      line-height: 1.35;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 14px;
      text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    }
    .hero-featured-title:hover {
      color: #e2e8f0;
    }
    .hero-featured-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid rgba(255,255,255,0.18);
      padding-top: 10px;
      color: rgba(255,255,255,0.7);
      font-size: 11px;
    }
    .carousel-controls-ui {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .carousel-controls-ui i {
      cursor: pointer;
      font-size: 12px;
      transition: color .2s;
    }
    .carousel-controls-ui i:hover {
      color: #ffffff;
    }
    .carousel-progress-line {
      flex: 1;
      height: 2px;
      background-color: rgba(255,255,255,0.2);
      margin: 0 10px;
      position: relative;
      border-radius: 1px;
    }
    .carousel-progress-active {
      width: 40%;
      height: 100%;
      background-color: #ffffff;
      border-radius: 1px;
    }

    /* 资讯条目列表 */
    .article-item-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
      flex: 1;
    }
    .article-item-row {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 16px;
      border-bottom: 1px dashed #f0f2f5;
      padding-bottom: 14px;
    }
    .article-item-row:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .article-item-main {
      flex: 1;
    }
    .article-item-title {
      font-size: 14px;
      font-weight: 500;
      color: #1d2129;
      text-decoration: none;
      line-height: 1.45;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color .2s;
    }
    .article-item-title:hover {
      color: var(--site-primary);
    }
    .article-item-source {
      font-size: 12px;
      color: var(--site-text-muted);
      margin-top: 4px;
    }
    .article-item-date {
      font-size: 12px;
      color: #9ca3af;
      white-space: nowrap;
      margin-top: 2px;
    }

    /* 底部“更多文章”通栏按钮行 */
    .desk-footer-link {
      margin-top: 20px;
      padding-top: 14px;
      border-top: 1px solid #f2f3f5;
      display: flex;
      align-items: center;
      justify-content: space-between;
      text-decoration: none;
      font-size: 13px;
      color: var(--site-text-sub);
      font-weight: 500;
      transition: color .2s;
    }
    .desk-footer-link:hover {
      color: var(--site-primary);
    }

    /* 页脚 */
    .site-footer {
      background-color: #ffffff;
      border-top: 1px solid var(--site-border);
      padding: 48px 0 24px;
      margin-top: 40px;
    }
    .footer-brand {
      margin-bottom: 24px;
    }
    .footer-desc {
      font-size: 13px;
      color: var(--site-text-sub);
      line-height: 1.6;
      max-width: 380px;
      margin-top: 12px;
    }
    .footer-col-title {
      font-size: 13px;
      font-weight: 600;
      color: #374151;
      margin-bottom: 16px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .footer-nav-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-nav-list a {
      font-size: 13px;
      color: var(--site-text-muted);
      text-decoration: none;
      transition: color .2s;
    }
    .footer-nav-list a:hover {
      color: var(--site-primary);
    }
    .footer-bottom {
      border-top: 1px solid #f2f3f5;
      padding-top: 20px;
      margin-top: 36px;
      font-size: 12px;
      color: #9ca3af;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 移动端与平板响应式断点 (严格适配小屏单列) */
    @media (max-width: 1024px) {
      .channel-strip-box {
        flex-direction: column;
      }
      .channel-strip-cells {
        flex-wrap: wrap;
      }
      .channel-cell {
        flex: 1 1 50%;
        border-bottom: 1px solid var(--site-border);
      }
    }

    @media (max-width: 768px) {
      .header-slogan {
        display: none;
      }
      .header-search {
        max-width: 100%;
        margin-top: 12px;
      }
      .main-nav-list {
        overflow-x: auto;
        white-space: nowrap;
        gap: 18px;
        padding-bottom: 6px;
      }
      .channel-strip-cells {
        flex-direction: column;
      }
      .channel-cell {
        flex: 1 1 100%;
        border-left: none;
      }
      .hero-featured-card {
        height: 200px;
      }
      .hero-featured-title {
        font-size: 16px;
      }
      .desk-card {
        margin-bottom: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }

    @media (max-width: 520px) {
      .brand-logo-text h1 {
        font-size: 18px;
      }
      .desk-header {
        flex-direction: column;
        align-items: flex-start;
      }
      .desk-corner-arrow {
        display: none;
      }
    }

/* roulang page: article */
:root {
  --site-primary: #1f50a2;
  --site-primary-hover: #143b7d;
  --site-bg-dark: #08111e;
  --site-text-main: #1d2129;
  --site-text-sub: #4e5969;
  --site-text-muted: #86909c;
  --site-border: #e5e6eb;
  --site-bg-page: #f7f8fa;
  --site-bg-card: #ffffff;
}
body {
  background-color: var(--site-bg-page);
  color: var(--site-text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
.site-header {
  background-color: #ffffff;
  border-bottom: 1px solid var(--site-border);
  position: sticky;
  top: 0;
  z-index: 1020;
}
.header-top {
  padding: 16px 0;
  border-bottom: 1px solid #f2f3f5;
}
.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}
.brand-logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #1f50a2 0%, #3b74d4 100%);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  font-size: 20px;
}
.brand-logo-text h1 {
  font-size: 20px;
  font-weight: 700;
  color: #111827;
  margin: 0;
  line-height: 1.2;
  letter-spacing: -0.2px;
}
.brand-logo-text span {
  font-size: 11px;
  color: var(--site-text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  display: block;
  margin-top: 2px;
}
.header-slogan {
  border-left: 1px solid var(--site-border);
  padding-left: 16px;
  margin-left: 16px;
  color: var(--site-text-sub);
  font-size: 13px;
}
.header-search {
  position: relative;
  max-width: 340px;
  width: 100%;
}
.header-search input {
  border: 1px solid #e2e8f0;
  background-color: #f8fafc;
  border-radius: 6px;
  padding: 8px 36px 8px 14px;
  font-size: 13px;
  width: 100%;
  outline: none;
  transition: border-color .2s, background-color .2s;
}
.header-search input:focus {
  background-color: #ffffff;
  border-color: var(--site-primary);
}
.header-search .search-arrow {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--site-text-muted);
  cursor: pointer;
}
.main-nav-bar {
  padding: 0;
}
.main-nav-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
  gap: 28px;
}
.main-nav-item a {
  display: inline-block;
  padding: 14px 0;
  font-size: 14px;
  font-weight: 500;
  color: #333333;
  text-decoration: none;
  position: relative;
  transition: color .2s;
}
.main-nav-item.active a,
.main-nav-item a:hover {
  color: var(--site-primary);
}
.main-nav-item.active a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--site-primary);
}
.nav-right-link {
  font-size: 13px;
  color: var(--site-text-sub);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-right-link:hover {
  color: var(--site-primary);
}
.article-crumb-section {
  padding: 16px 0;
}
.article-crumb-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--site-text-muted);
}
.article-crumb-bar a {
  color: var(--site-text-sub);
  text-decoration: none;
}
.article-crumb-bar a:hover {
  color: var(--site-primary);
}
.article-page-layout {
  padding: 8px 0 60px;
}
.article-main-card {
  background: var(--site-bg-card);
  border: 1px solid var(--site-border);
  border-radius: 8px;
  padding: 36px 42px;
}
.article-badge-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.article-badge {
  background-color: rgba(31, 80, 162, 0.08);
  color: var(--site-primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
}
.article-meta-info {
  font-size: 13px;
  color: var(--site-text-muted);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.article-title-main {
  font-size: 28px;
  line-height: 1.4;
  font-weight: 700;
  color: #0f172a;
  margin: 12px 0 20px;
}
.article-lead-box {
  background-color: #f8fafc;
  border-left: 4px solid var(--site-primary);
  padding: 16px 20px;
  border-radius: 0 6px 6px 0;
  color: #334155;
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 30px;
}
.article-body-inner {
  font-size: 16px;
  line-height: 1.85;
  color: #272e3b;
}
.article-body-inner p {
  margin-bottom: 20px;
}
.article-body-inner h2,
.article-body-inner h3 {
  color: #0f172a;
  font-weight: 700;
  margin: 32px 0 16px;
}
.article-body-inner h2 {
  font-size: 21px;
  padding-bottom: 8px;
  border-bottom: 1px solid #f1f5f9;
}
.article-body-inner h3 {
  font-size: 18px;
}
.article-body-inner img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 16px 0;
}
.article-body-inner ul,
.article-body-inner ol {
  padding-left: 24px;
  margin-bottom: 20px;
}
.article-body-inner li {
  margin-bottom: 8px;
}
.article-empty-wrap {
  text-align: center;
  padding: 80px 20px;
}
.article-empty-wrap i {
  font-size: 48px;
  color: var(--site-text-muted);
  margin-bottom: 16px;
}
.sidebar-sticky-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.sidebar-card {
  background: var(--site-bg-card);
  border: 1px solid var(--site-border);
  border-radius: 8px;
  padding: 24px;
}
.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid #f2f3f5;
}
.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  color: #111827;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  background-color: var(--site-primary);
  border-radius: 2px;
}
.sidebar-card-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.sidebar-card-list li {
  padding: 10px 0;
  border-bottom: 1px dashed #edf0f5;
}
.sidebar-card-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.sidebar-card-list a {
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  color: #334155;
  display: block;
  transition: color .2s;
}
.sidebar-card-list a:hover {
  color: var(--site-primary);
}
.sidebar-guide-box {
  background: linear-gradient(135deg, #0d1b33 0%, #17325e 100%);
  color: #ffffff;
  padding: 22px;
  border-radius: 8px;
}
.sidebar-guide-box h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.sidebar-guide-box p {
  font-size: 13px;
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 16px;
}
.sidebar-guide-btn {
  display: inline-block;
  background-color: #ffffff;
  color: #0f172a;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color .2s;
}
.sidebar-guide-btn:hover {
  background-color: #f1f5f9;
  color: var(--site-primary);
}
.site-footer {
  background-color: #ffffff;
  border-top: 1px solid var(--site-border);
  padding: 48px 0 24px;
  margin-top: 20px;
}
.footer-desc {
  color: var(--site-text-sub);
  font-size: 13px;
  line-height: 1.7;
  max-width: 440px;
  margin-bottom: 0;
}
.footer-col-title {
  font-size: 15px;
  font-weight: 700;
  color: #111827;
  margin-bottom: 18px;
}
.footer-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-nav-list li {
  margin-bottom: 10px;
}
.footer-nav-list a {
  color: var(--site-text-sub);
  font-size: 13px;
  text-decoration: none;
  transition: color .2s;
}
.footer-nav-list a:hover {
  color: var(--site-primary);
}
.footer-bottom {
  border-top: 1px solid #f2f3f5;
  margin-top: 36px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 12px;
  color: var(--site-text-muted);
}
@media (max-width: 991.98px) {
  .header-slogan {
    display: none;
  }
  .header-search {
    max-width: 240px;
  }
  .article-main-card {
    padding: 24px 20px;
  }
  .article-title-main {
    font-size: 23px;
  }
}
@media (max-width: 767.98px) {
  .header-top {
    gap: 12px;
  }
  .header-search {
    max-width: 100%;
    order: 3;
    width: 100%;
  }
  .main-nav-bar {
    overflow-x: auto;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
  }
  .main-nav-list {
    gap: 18px;
  }
  .article-title-main {
    font-size: 20px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category1 */
:root {
      --site-primary: #1f50a2;
      --site-primary-hover: #143b7d;
      --site-bg-dark: #08111e;
      --site-text-main: #1d2129;
      --site-text-sub: #4e5969;
      --site-text-muted: #86909c;
      --site-border: #e5e6eb;
      --site-bg-page: #f7f8fa;
      --site-bg-card: #ffffff;
      --site-danger: #cf2a2a;
      --site-success: #00b42a;
    }

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

    /* 顶部导航与 Logo */
    .site-header {
      background-color: #ffffff;
      border-bottom: 1px solid var(--site-border);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .header-top {
      padding: 16px 0;
      border-bottom: 1px solid #f2f3f5;
    }
    .brand-logo-wrap {
      display: flex;
      align-items: center;
      gap: 12px;
      text-decoration: none;
    }
    .brand-logo-icon {
      width: 36px;
      height: 36px;
      background: linear-gradient(135deg, #1f50a2 0%, #3b74d4 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 6px;
      font-size: 20px;
    }
    .brand-logo-text h1 {
      font-size: 20px;
      font-weight: 700;
      color: #111827;
      margin: 0;
      line-height: 1.2;
      letter-spacing: -0.2px;
    }
    .brand-logo-text span {
      font-size: 11px;
      color: var(--site-text-muted);
      letter-spacing: 0.5px;
      text-transform: uppercase;
      display: block;
      margin-top: 2px;
    }
    .header-slogan {
      border-left: 1px solid var(--site-border);
      padding-left: 16px;
      margin-left: 16px;
      color: var(--site-text-sub);
      font-size: 13px;
    }
    .header-search {
      position: relative;
      max-width: 340px;
      width: 100%;
    }
    .header-search input {
      border: 1px solid #e2e8f0;
      background-color: #f8fafc;
      border-radius: 6px;
      padding: 8px 36px 8px 14px;
      font-size: 13px;
      width: 100%;
      outline: none;
      transition: border-color .2s, background-color .2s;
    }
    .header-search input:focus {
      background-color: #ffffff;
      border-color: var(--site-primary);
    }
    .header-search .search-arrow {
      position: absolute;
      right: 12px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--site-text-muted);
      cursor: pointer;
    }

    /* 导航栏 */
    .main-nav-bar {
      padding: 0;
    }
    .main-nav-list {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      align-items: center;
      gap: 28px;
    }
    .main-nav-item a {
      display: inline-block;
      padding: 14px 0;
      font-size: 14px;
      font-weight: 500;
      color: #333333;
      text-decoration: none;
      position: relative;
      transition: color .2s;
    }
    .main-nav-item.active a,
    .main-nav-item a:hover {
      color: var(--site-primary);
    }
    .main-nav-item.active a::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 2px;
      background-color: var(--site-primary);
    }
    .nav-right-link {
      font-size: 13px;
      color: var(--site-text-sub);
      text-decoration: none;
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .nav-right-link:hover {
      color: var(--site-primary);
    }

    /* 面包屑与分类抬头 */
    .category-hero {
      background: linear-gradient(180deg, #ffffff 0%, #edf2f9 100%);
      border-bottom: 1px solid var(--site-border);
      padding: 36px 0 32px;
    }
    .breadcrumb-bar {
      font-size: 13px;
      color: var(--site-text-muted);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .breadcrumb-bar a {
      color: var(--site-text-sub);
      text-decoration: none;
    }
    .breadcrumb-bar a:hover {
      color: var(--site-primary);
    }
    .cat-badge {
      display: inline-block;
      padding: 3px 10px;
      background-color: #e8f0fe;
      color: var(--site-primary);
      border-radius: 4px;
      font-size: 12px;
      font-weight: 600;
      margin-bottom: 10px;
    }
    .cat-title {
      font-size: 28px;
      font-weight: 700;
      color: #111827;
      margin: 0 0 10px;
      letter-spacing: -0.3px;
    }
    .cat-subtitle {
      font-size: 15px;
      color: var(--site-text-sub);
      margin: 0;
      max-width: 840px;
      line-height: 1.6;
    }

    /* 核心矩阵指标区 */
    .metric-grid-section {
      padding: 24px 0;
    }
    .metric-card {
      background: #ffffff;
      border: 1px solid var(--site-border);
      border-radius: 6px;
      padding: 20px;
      height: 100%;
      box-shadow: 0 1px 3px rgba(0,0,0,0.02);
      transition: transform .2s, box-shadow .2s;
    }
    .metric-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(31,80,162,0.08);
      border-color: #cbd5e1;
    }
    .metric-icon-box {
      width: 40px;
      height: 40px;
      border-radius: 6px;
      background: #f0f5ff;
      color: var(--site-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      margin-bottom: 14px;
    }
    .metric-title {
      font-size: 16px;
      font-weight: 700;
      color: #111827;
      margin-bottom: 8px;
    }
    .metric-desc {
      font-size: 13px;
      color: var(--site-text-sub);
      margin: 0;
      line-height: 1.6;
    }

    /* 资讯列表与深度洞察区 */
    .article-listing-section {
      padding: 30px 0 50px;
    }
    .section-head-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 2px solid #eef1f6;
      padding-bottom: 12px;
      margin-bottom: 24px;
    }
    .section-head-title {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: #111827;
      margin: 0;
    }
    .section-head-title span {
      width: 4px;
      height: 20px;
      background-color: var(--site-primary);
      display: inline-block;
      border-radius: 2px;
    }
    .post-card {
      background: #ffffff;
      border: 1px solid var(--site-border);
      border-radius: 6px;
      padding: 20px;
      margin-bottom: 18px;
      transition: all .2s ease;
      display: flex;
      flex-direction: column;
      height: calc(100% - 18px);
    }
    .post-card:hover {
      border-color: var(--site-primary);
      box-shadow: 0 6px 16px rgba(0,0,0,0.06);
    }
    .post-badge-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 12px;
      font-size: 12px;
    }
    .post-cat-tag {
      background-color: #f2f6fc;
      color: var(--site-primary);
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .post-time {
      color: var(--site-text-muted);
    }
    .post-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .post-title a {
      color: #111827;
      text-decoration: none;
      transition: color .2s;
    }
    .post-title a:hover {
      color: var(--site-primary);
    }
    .post-excerpt {
      font-size: 13px;
      color: var(--site-text-sub);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .post-bottom-link {
      font-size: 13px;
      font-weight: 600;
      color: var(--site-primary);
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .post-bottom-link:hover {
      color: var(--site-primary-hover);
      text-decoration: underline;
    }

    /* 风控场景与配置指引 */
    .scenario-section {
      background-color: #ffffff;
      border-top: 1px solid var(--site-border);
      border-bottom: 1px solid var(--site-border);
      padding: 48px 0;
    }
    .scenario-card {
      border-left: 3px solid var(--site-primary);
      padding: 16px 20px;
      background-color: #fbfcfe;
      border-radius: 0 6px 6px 0;
      margin-bottom: 16px;
      border-top: 1px solid #f0f2f5;
      border-right: 1px solid #f0f2f5;
      border-bottom: 1px solid #f0f2f5;
    }
    .scenario-head {
      font-size: 16px;
      font-weight: 700;
      color: #111827;
      margin-bottom: 6px;
    }
    .scenario-body {
      font-size: 13px;
      color: var(--site-text-sub);
      line-height: 1.6;
      margin: 0;
    }

    /* 常见答疑 FAQ */
    .faq-section {
      padding: 48px 0;
    }
    .faq-item {
      background: #ffffff;
      border: 1px solid var(--site-border);
      border-radius: 6px;
      padding: 20px;
      margin-bottom: 16px;
    }
    .faq-question {
      font-size: 16px;
      font-weight: 700;
      color: #111827;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .faq-question i {
      color: var(--site-primary);
    }
    .faq-answer {
      font-size: 14px;
      color: var(--site-text-sub);
      margin: 0;
      line-height: 1.7;
    }

    /* 底部通用板块 */
    .site-footer {
      background-color: #0d1522;
      color: #94a3b8;
      padding: 56px 0 28px;
      border-top: 1px solid #1e293b;
      margin-top: 20px;
    }
    .footer-brand .brand-logo-text .h5 {
      color: #ffffff !important;
    }
    .footer-desc {
      font-size: 13px;
      line-height: 1.7;
      color: #8392a5;
      margin-bottom: 20px;
      max-width: 440px;
    }
    .footer-col-title {
      font-size: 15px;
      font-weight: 600;
      color: #f1f5f9;
      margin-bottom: 16px;
      letter-spacing: 0.3px;
    }
    .footer-nav-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-nav-list li {
      margin-bottom: 10px;
    }
    .footer-nav-list a {
      color: #94a3b8;
      text-decoration: none;
      font-size: 13px;
      transition: color .2s;
    }
    .footer-nav-list a:hover {
      color: #ffffff;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 24px;
      margin-top: 40px;
      font-size: 12px;
      color: #64748b;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
    }

    /* 响应式调整 */
    @media (max-width: 1024px) {
      .main-nav-list {
        gap: 18px;
      }
    }
    @media (max-width: 768px) {
      .header-top {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 12px;
      }
      .header-slogan {
        display: none;
      }
      .header-search {
        max-width: 100%;
      }
      .main-nav-bar {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 6px;
      }
      .main-nav-list {
        gap: 16px;
      }
      .cat-title {
        font-size: 22px;
      }
      .footer-bottom {
        flex-direction: column;
      }
    }
    @media (max-width: 520px) {
      .cat-title {
        font-size: 20px;
      }
      .post-card {
        padding: 16px;
      }
    }