:root {
      --primary: rgb(66,133,244);
      --primary-hover: #1557b0;
      --glacier-blue: #1D7BFF;
      --deep-sea-ink: #0B132B;
      --silver-white: #F8FAFC;
      --dark-blue: #1C2541;
      --text-dark: #1E293B;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      color: var(--text-dark);
      background-color: var(--silver-white);
      line-height: 1.6;
    }

    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }

    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { display: block; height: 40px; max-width: 160px; object-fit: contain; }
    .logo span {
      font-size: 20px;
      font-weight: 800;
      background: linear-gradient(135deg, var(--deep-sea-ink) 0%, var(--glacier-blue) 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.9);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
    }

    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      height: 72px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .desktop-nav { display: flex; gap: 32px; }
    .desktop-nav a { font-size: 15px; font-weight: 600; }
    .desktop-nav a:hover { color: var(--glacier-blue); }

    .header-actions .btn-primary-header {
      background: linear-gradient(135deg, var(--glacier-blue) 0%, var(--primary) 100%);
      color: #fff;
      padding: 10px 20px;
      border-radius: 8px;
      font-weight: 600;
    }

    .drawer-trigger { display: none; flex-direction: column; gap: 6px; background: none; border: none; cursor: pointer; }
    .drawer-trigger span { width: 24px; height: 2px; background-color: var(--deep-sea-ink); }

    .mobile-drawer { position: fixed; top: 0; left: -100%; width: 100%; height: 100%; z-index: 2000; transition: left 0.4s ease; }
    .mobile-drawer.active { left: 0; }
    .drawer-overlay { position: absolute; width: 100%; height: 100%; background: rgba(11, 19, 43, 0.5); }
    .drawer-content { position: absolute; width: 80%; max-width: 320px; height: 100%; background: #fff; padding: 24px; display: flex; flex-direction: column; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
    .drawer-close { font-size: 28px; background: none; border: none; cursor: pointer; }
    .mobile-nav { display: flex; flex-direction: column; gap: 20px; }
    .mobile-nav a { font-size: 16px; font-weight: 600; padding-bottom: 10px; border-bottom: 1px solid var(--border-color); }

    
    .page-banner {
      background: linear-gradient(135deg, var(--deep-sea-ink) 0%, var(--dark-blue) 100%);
      color: #fff;
      padding: 64px 24px;
    }

    .banner-container { max-width: 1200px; margin: 0 auto; }
    .breadcrumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #94A3B8; margin-bottom: 16px; }
    .breadcrumbs a:hover { color: #fff; }
    .banner-title { font-size: 32px; font-weight: 800; }

    
    .main-content {
      max-width: 1200px;
      margin: 48px auto;
      padding: 0 24px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 48px;
    }

    
    .articles-grid {
      display: flex;
      flex-direction: column;
      gap: 32px;
    }

    .article-card {
      background: #ffffff;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      overflow: hidden;
      display: flex;
      gap: 24px;
      transition: all 0.3s ease;
    }

    .article-card:hover {
      box-shadow: 0 10px 24px rgba(11, 19, 43, 0.05);
      border-color: rgba(29, 123, 255, 0.2);
    }

    .article-img-wrapper {
      width: 240px;
      height: 160px;
      overflow: hidden;
      flex-shrink: 0;
      position: relative;
    }

    .article-img-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .article-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: var(--glacier-blue);
      color: #fff;
      font-size: 11px;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 4px;
    }

    .article-content {
      padding: 16px 20px 16px 0;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      flex-grow: 1;
    }

    .article-title {
      font-size: 18px;
      font-weight: 700;
      color: var(--deep-sea-ink);
      line-height: 1.4;
      margin-bottom: 8px;
    }

    .article-title:hover {
      color: var(--glacier-blue);
    }

    .article-summary {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 12px;
    }

    .article-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 12px;
      color: var(--text-muted);
    }

    
    .pagination-wrapper {
      margin-top: 48px;
    }

    .pagination-list {
      display: flex;
      justify-content: center;
      gap: 8px;
      list-style: none;
    }

    .pagination-list a, .pagination-list span {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 40px;
      height: 40px;
      padding: 0 14px;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      font-size: 14px;
      font-weight: 600;
      background: #fff;
    }

    .pagination-list .current {
      background: var(--glacier-blue);
      color: #fff;
      border-color: var(--glacier-blue);
    }

    .pagination-list a:hover {
      border-color: var(--glacier-blue);
      color: var(--glacier-blue);
    }

    
    .sidebar-widget {
      background: #fff;
      border-radius: 12px;
      border: 1px solid var(--border-color);
      padding: 24px;
      margin-bottom: 32px;
    }

    .sidebar-widget-title {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 20px;
      padding-left: 10px;
      border-left: 4px solid var(--glacier-blue);
    }

    .hot-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .hot-item {
      display: flex;
      gap: 12px;
    }

    .hot-num {
      width: 24px;
      height: 24px;
      background: var(--border-color);
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 12px;
      font-weight: 700;
      flex-shrink: 0;
    }

    .hot-item:nth-child(1) .hot-num { background: #FF5F56; color: #fff; }
    .hot-item:nth-child(2) .hot-num { background: #FFBD2E; color: #fff; }
    .hot-item:nth-child(3) .hot-num { background: #00B4D8; color: #fff; }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag-item {
      display: inline-block;
      padding: 6px 12px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 20px;
      font-size: 12px;
    }

    .tag-item:hover {
      background: var(--glacier-blue);
      color: #fff;
    }

    
    .site-footer { background: #0B132B; color: #94A3B8; font-size: 14px; }
    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 80px 24px 48px;
      display: grid;
      grid-template-columns: 1.5fr repeat(3, 1fr);
      gap: 48px;
    }
    .brand-desc { margin-top: 20px; line-height: 1.8; color: #64748B; }
    .footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 24px; position: relative; }
    .footer-col h4::after { content: ''; position: absolute; bottom: -8px; left: 0; width: 30px; height: 2px; background: var(--glacier-blue); }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .footer-links a:hover { color: #fff; padding-left: 4px; }
    .footer-bottom { background: #070D1F; padding: 24px 24px; border-top: 1px solid rgba(255,255,255,0.05); text-align: center; font-size: 13px; }

    @media (max-width: 992px) {
      .drawer-trigger { display: flex; }
      .desktop-nav, .header-actions .btn-primary-header { display: none; }
      .main-content { grid-template-columns: 1fr; }
      .article-card { flex-direction: column; }
      .article-img-wrapper { width: 100%; height: 200px; }
      .article-content { padding: 16px; }
      .footer-container { grid-template-columns: 1fr; gap: 32px; }
    }