:root {
      --primary-color: rgb(94,92,230);
      --text-dark: #1E293B;
      --text-light: #64748B;
      --bg-light: #F8FAFC;
      --border-color: #E2E8F0;
      --transition: all 0.3s ease;
    }

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

    
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border-color);
    }
    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 16px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
    .logo img { display: block; height: 40px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
    .logo span { display: inline-block; font-size: 20px; font-weight: 800; line-height: 1; color: var(--text-dark); white-space: nowrap; }
    .desktop-nav { display: flex; align-items: center; gap: 32px; }
    .desktop-nav a { color: var(--text-dark); text-decoration: none; font-weight: 500; font-size: 15px; transition: var(--transition); }
    .desktop-nav a:hover { color: var(--primary-color); }
    .header-actions { display: flex; align-items: center; gap: 16px; }
    .nav-btn { background: var(--primary-color); color: #fff; padding: 10px 24px; border-radius: 6px; text-decoration: none; font-weight: 600; font-size: 14px; transition: var(--transition); }
    .nav-btn:hover { opacity: 0.9; transform: translateY(-1px); }
    .mobile-menu-toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 6px; padding: 4px; }
    .mobile-menu-toggle span { display: block; width: 24px; height: 2px; background: var(--text-dark); transition: var(--transition); }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(0,0,0,0.5); z-index: 1999; opacity: 0; visibility: hidden; transition: var(--transition); }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .mobile-drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100vh; background: #fff; z-index: 2000; transition: var(--transition); display: flex; flex-direction: column; box-shadow: 4px 0 24px rgba(0,0,0,0.15); }
    .mobile-drawer.active { left: 0; }
    .drawer-header { padding: 24px 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
    .drawer-close { background: none; border: none; font-size: 28px; cursor: pointer; color: var(--text-light); }
    .drawer-content { padding: 24px 20px; flex-grow: 1; overflow-y: auto; }
    .mobile-nav { display: flex; flex-direction: column; gap: 20px; }
    .mobile-nav a { color: var(--text-dark); text-decoration: none; font-size: 16px; font-weight: 500; }
    .drawer-footer { padding: 24px 20px; border-top: 1px solid var(--border-color); text-align: center; }
    .drawer-btn { display: block; background: var(--primary-color); color: #fff; padding: 12px; border-radius: 6px; text-decoration: none; font-weight: 600; margin-top: 12px; }

    
    .page-header {
      background: linear-gradient(135deg, rgba(94,92,230,0.05) 0%, rgba(29,123,255,0.05) 100%);
      padding: 60px 20px;
      border-bottom: 1px solid var(--border-color);
      text-align: center;
    }
    .page-header h1 {
      font-size: 32px;
      margin-bottom: 12px;
    }
    .breadcrumbs {
      font-size: 14px;
      color: var(--text-light);
      margin-bottom: 16px;
    }
    .breadcrumbs a {
      color: var(--primary-color);
      text-decoration: none;
    }
    .list-container {
      max-width: 1200px;
      margin: 60px auto;
      padding: 0 20px;
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 50px;
    }

    
    .articles-feed {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }
    .list-article-card {
      display: flex;
      gap: 24px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 40px;
    }
    .card-thumb {
      width: 240px;
      height: 160px;
      object-fit: cover;
      border-radius: 8px;
      background: var(--bg-light);
      flex-shrink: 0;
    }
    .card-body {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .card-body h2 {
      font-size: 22px;
      margin-bottom: 10px;
    }
    .card-body h2 a {
      color: var(--text-dark);
      text-decoration: none;
      transition: var(--transition);
    }
    .card-body h2 a:hover {
      color: var(--primary-color);
    }
    .card-desc {
      font-size: 15px;
      color: var(--text-light);
      margin-bottom: 16px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .card-meta {
      display: flex;
      align-items: center;
      gap: 16px;
      font-size: 13px;
      color: var(--text-light);
    }
    .card-meta .card-tags a {
      background: var(--bg-light);
      padding: 3px 10px;
      border-radius: 4px;
      text-decoration: none;
      color: var(--text-dark);
      font-size: 12px;
    }

    
    .sidebar {
      display: flex;
      flex-direction: column;
      gap: 40px;
    }
    .widget {
      background: #fff;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 24px;
    }
    .widget-title {
      font-size: 18px;
      border-left: 4px solid var(--primary-color);
      padding-left: 10px;
      margin-bottom: 20px;
      font-weight: 700;
    }
    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .tag-cloud a {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      color: var(--text-dark);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 13px;
      text-decoration: none;
      transition: var(--transition);
    }
    .tag-cloud a:hover {
      background: var(--primary-color);
      color: #fff;
      border-color: var(--primary-color);
    }

    
    .pagination-wrapper {
      margin-top: 60px;
      display: flex;
      justify-content: center;
    }
    .pagination {
      display: flex;
      list-style: none;
      gap: 8px;
    }
    .pagination li a, .pagination li span {
      display: inline-block;
      padding: 10px 16px;
      border: 1px solid var(--border-color);
      border-radius: 6px;
      text-decoration: none;
      color: var(--text-dark);
      font-weight: 500;
      transition: var(--transition);
    }
    .pagination li a:hover, .pagination li.active span {
      background: var(--primary-color);
      color: #fff;
      border-color: var(--primary-color);
    }

    
    .site-footer { background: #0B0F19; color: #94A3B8; padding: 80px 20px 30px; border-top: 1px solid rgba(255,255,255,0.05); }
    .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 60px; }
    .footer-brand .logo span { color: #fff; }
    .footer-brand p { margin-top: 20px; font-size: 14px; line-height: 1.8; max-width: 320px; }
    .footer-links h4 { color: #fff; margin-bottom: 24px; font-size: 16px; }
    .footer-links ul { list-style: none; }
    .footer-links ul li { margin-bottom: 12px; }
    .footer-links ul li a { color: #94A3B8; text-decoration: none; font-size: 14px; transition: var(--transition); }
    .footer-links ul li a:hover { color: #fff; }
    .footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.05); display: flex; justify-content: space-between; align-items: center; font-size: 13px; }

    @media (max-width: 991px) {
      .desktop-nav { display: none; }
      .mobile-menu-toggle { display: flex; }
      .list-container { grid-template-columns: 1fr; }
    }
    @media (max-width: 600px) {
      .list-article-card { flex-direction: column; }
      .card-thumb { width: 100%; height: 180px; }
      .footer-container { grid-template-columns: 1fr; }
      .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    }