body {
      font-family: 'Segoe UI', Roboto, system-ui, sans-serif;
      color: #1f3a44;
      background-color: #f9fcfd;
    }
    .navbar-brand {
      font-weight: 700;
      font-size: 1.8rem;
      color: #1e3c4f !important;
    }
    .article-title {
      font-size: 2.5rem;
      font-weight: 700;
      line-height: 1.2;
      margin-bottom: 1rem;
    }
    .article-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 1.5rem;
      color: #4f6f7e;
      margin-bottom: 2rem;
      padding-bottom: 1rem;
      border-bottom: 1px solid #dee9ef;
    }
    .article-meta i {
      color: #d98c4a;
      margin-right: 5px;
    }
    .article-content {
      background: white;
      border-radius: 2rem;
      padding: 2.5rem;
      box-shadow: 0 15px 30px rgba(0,30,40,0.05);
    }
    .article-content h2 {
      font-size: 1.8rem;
      font-weight: 700;
      margin: 2rem 0 1rem;
      color: #1e3c4f;
    }
    .article-content h3 {
      font-size: 1.4rem;
      font-weight: 600;
      margin: 1.5rem 0 0.8rem;
      color: #2b5c6f;
    }
    .article-content p {
      line-height: 1.8;
      color: #2f4a55;
      margin-bottom: 1.2rem;
    }
    .article-content blockquote {
      background: #eef6fa;
      border-left: 6px solid #d98c4a;
      padding: 1.5rem;
      border-radius: 1rem;
      margin: 1.5rem 0;
      font-style: italic;
    }
    .article-content ul, .article-content ol {
      padding-left: 1.8rem;
      margin-bottom: 1.2rem;
      color: #2f4a55;
    }
    .article-content li {
      margin-bottom: 0.5rem;
    }
    .article-content img {
      max-width: 100%;
      border-radius: 1.2rem;
      margin: 1.5rem 0;
    }
    .article-tags {
      margin: 2rem 0 1rem;
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .article-tag {
      background: #eef4f7;
      border-radius: 50px;
      padding: 0.3rem 1.2rem;
      color: #2b5c6f;
      text-decoration: none;
      font-size: 0.9rem;
    }
    .article-tag:hover {
      background: #2b5c6f;
      color: white;
    }
    .author-box {
      background: #f0f6f9;
      border-radius: 1.5rem;
      padding: 1.8rem;
      margin: 2.5rem 0;
      display: flex;
      gap: 1.5rem;
      align-items: center;
    }
    .author-avatar {
      width: 80px;
      height: 80px;
      background: #b8d0dd;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 2.5rem;
      color: #1e3c4f;
      flex-shrink: 0;
    }
    .related-card {
      background: white;
      border-radius: 1.2rem;
      padding: 1.5rem;
      box-shadow: 0 8px 20px rgba(0,0,0,0.02);
      height: 100%;
      transition: 0.2s;
    }
    .related-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 15px 30px rgba(43,92,111,0.1);
    }
    .related-card .title {
      font-weight: 700;
      font-size: 1.1rem;
      margin: 0.5rem 0;
    }
    /* 侧边栏样式 */
    .sidebar-widget {
      background: white;
      border-radius: 1.5rem;
      padding: 1.8rem;
      margin-bottom: 2rem;
      box-shadow: 0 12px 28px rgba(0,30,40,0.04);
    }
    .sidebar-title {
      font-size: 1.4rem;
      font-weight: 700;
      margin-bottom: 1.5rem;
      position: relative;
      padding-bottom: 0.6rem;
      border-bottom: 2px solid #eef4f7;
    }
    .hot-news-item {
      display: flex;
      gap: 1rem;
      margin-bottom: 1.2rem;
      border-bottom: 1px dashed #eef4f7;
      padding-bottom: 1rem;
    }
    .hot-news-item:last-child {
      border-bottom: none;
    }
    .hot-news-img {
      width: 70px;
      height: 70px;
      background: #d4e3ec;
      border-radius: 0.8rem;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #2b5c6f;
      font-size: 1.5rem;
      flex-shrink: 0;
    }
    .hot-news-content .news-title {
      font-weight: 600;
      margin-bottom: 0.3rem;
      line-height: 1.4;
    }
    .hot-news-content .news-title a {
      color: #1e3c4f;
      text-decoration: none;
    }
    .hot-news-content .news-title a:hover {
      color: #d98c4a;
    }
    .hot-news-meta {
      font-size: 0.85rem;
      color: #6f8a99;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .tag-cloud-item {
      background: #eef4f7;
      border-radius: 50px;
      padding: 0.3rem 1.2rem;
      color: #2b5c6f;
      text-decoration: none;
      font-size: 0.9rem;
    }
    .tag-cloud-item:hover {
      background: #2b5c6f;
      color: white;
    }
    .service-item {
      display: flex;
      gap: 1rem;
      margin-bottom: 1.2rem;
      align-items: center;
    }
    .service-icon {
      width: 45px;
      height: 45px;
      background: #e7f0f5;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.5rem;
      color: #2b5c6f;
      flex-shrink: 0;
    }
    .service-text h5 {
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 0.2rem;
    }
    .service-text p {
      font-size: 0.9rem;
      color: #4f6f7e;
      margin: 0;
    }
    .sidebar-cta {
      background: #1e3c4f;
      color: white;
      border-radius: 1rem;
      padding: 1.5rem;
      text-align: center;
    }
    .sidebar-cta .btn-cta {
      background: #d98c4a;
      color: white;
      border-radius: 50px;
      padding: 0.6rem 1.5rem;
      font-weight: 600;
      border: none;
      transition: 0.3s;
      width: 100%;
    }
    .sidebar-cta .btn-cta:hover {
      background: #c57633;
    }
    .btn-cta {
      background: #d98c4a;
      color: white;
      border-radius: 50px;
      padding: 0.8rem 2rem;
      font-weight: 600;
      border: none;
      transition: 0.3s;
    }
    .btn-cta:hover {
      background: #c57633;
      transform: translateY(-2px);
      box-shadow: 0 10px 20px rgba(217,140,74,0.2);
    }
    .breadcrumb {
      background: transparent;
      padding: 0.5rem 0;
    }
    .breadcrumb-item a {
      color: #2b5c6f;
      text-decoration: none;
    }
    .footer-link {
      color: #b6ccd9;
      text-decoration: none;
    }
    .footer-link:hover {
      color: white;
    }