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;
    }
    .section-title {
      font-size: 2.4rem;
      font-weight: 700;
      position: relative;
      display: inline-block;
      margin-bottom: 2rem;
    }
    .section-title:after {
      content: '';
      display: block;
      width: 70px;
      height: 4px;
      background: #d98c4a;
      border-radius: 4px;
      margin-top: 10px;
    }
    .category-tab {
      background: white;
      border-radius: 50px;
      padding: 0.5rem;
      box-shadow: 0 5px 15px rgba(0,30,40,0.05);
      display: inline-flex;
      flex-wrap: wrap;
      margin-bottom: 2rem;
    }
    .category-tab .btn-cate {
      border-radius: 50px;
      padding: 0.6rem 1.8rem;
      font-weight: 600;
      color: #4f6f7e;
      border: none;
      background: transparent;
      transition: 0.2s;
    }
    .category-tab .btn-cate.active {
      background: #1e3c4f;
      color: white;
    }
    .article-card {
      background: white;
      border-radius: 1.5rem;
      box-shadow: 0 12px 28px rgba(0,30,40,0.04);
      overflow: hidden;
      transition: 0.25s;
      height: 100%;
      border: 1px solid #eef4f7;
    }
    .article-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 20px 35px rgba(43,92,111,0.12);
    }
    .article-img {
      background: #d4e3ec;
      height: 180px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #2b5c6f;
      font-size: 2.5rem;
    }
    .article-body {
      padding: 1.8rem;
    }
    .article-meta {
      display: flex;
      gap: 1rem;
      font-size: 0.9rem;
      color: #6f8a99;
      margin-bottom: 0.8rem;
    }
    .article-meta i {
      margin-right: 4px;
      color: #d98c4a;
    }
    .article-title {
      font-size: 1.3rem;
      font-weight: 700;
      margin: 0.8rem 0;
      line-height: 1.4;
    }
    .article-title a {
      color: #1e3c4f;
      text-decoration: none;
    }
    .article-title a:hover {
      color: #d98c4a;
    }
    .article-excerpt {
      color: #4f6f7e;
      margin-bottom: 1rem;
      line-height: 1.6;
    }
    .read-more {
      color: #2b5c6f;
      font-weight: 600;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
    }
    .read-more:hover {
      color: #d98c4a;
    }
    .badge-cate {
      background: #eef4f7;
      border-radius: 50px;
      padding: 0.3rem 1rem;
      font-size: 0.8rem;
      color: #2b5c6f;
      font-weight: 500;
    }
    .pagination .page-link {
      border-radius: 50px;
      margin: 0 4px;
      color: #1e3c4f;
      border: 1px solid #d0e0e8;
    }
    .pagination .page-link:hover {
      background-color: #1e3c4f;
      color: white;
    }
    .pagination .active .page-link {
      background-color: #1e3c4f;
      border-color: #1e3c4f;
    }
    .sidebar-widget {
      background: white;
      border-radius: 1.2rem;
      padding: 1.5rem;
      margin-bottom: 1.5rem;
      box-shadow: 0 8px 20px rgba(0,0,0,0.02);
    }
    .sidebar-title {
      font-size: 1.3rem;
      font-weight: 700;
      margin-bottom: 1.2rem;
      position: relative;
      padding-bottom: 0.5rem;
      border-bottom: 2px solid #eef4f7;
    }
    .hot-news li {
      margin-bottom: 1rem;
      border-bottom: 1px dashed #eef4f7;
      padding-bottom: 0.5rem;
    }
    .hot-news a {
      color: #1f3a44;
      text-decoration: none;
      font-weight: 500;
    }
    .hot-news a:hover {
      color: #d98c4a;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
    }
    .tag {
      background: #eef4f7;
      border-radius: 50px;
      padding: 0.3rem 1rem;
      font-size: 0.9rem;
      color: #2b5c6f;
      text-decoration: none;
    }
    .tag:hover {
      background: #2b5c6f;
      color: white;
    }
    .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;
    }