:root {
      --primary-color: rgb(79,70,229);
      --primary-hover: rgb(67,56,202);
      --accent-blue: #1D7BFF;
      --glacier-blue: #E0F2FE;
      --deep-sea: #0B0F19;
      --deep-sea-light: #1E293B;
      --silver-white: #F8FAFC;
      --text-primary: #0F172A;
      --text-secondary: #475569;
      --border-color: #E2E8F0;
      --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
      --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08);
      --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
      --radius: 12px;
      --container-width: 1200px;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
      color: var(--text-primary);
      background-color: var(--silver-white);
    }
    a { color: inherit; text-decoration: none; transition: all 0.3s ease; }
    .container { width: 100%; max-width: var(--container-width); margin: 0 auto; padding: 0 20px; }

    
    header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(8px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 100;
      height: 70px;
    }
    .header-container { display: flex; justify-content: space-between; align-items: center; height: 100%; }
    .logo { display: inline-flex; align-items: center; gap: 12px; }
    .logo img { height: 40px; max-width: 160px; object-fit: contain; }
    .logo span { font-size: 18px; font-weight: 800; }
    .nav-desktop { display: flex; align-items: center; gap: 24px; }
    .nav-desktop a { font-weight: 500; color: var(--text-secondary); }
    .nav-desktop a:hover { color: var(--primary-color); }
    .menu-toggle { display: none; background: none; border: none; font-size: 24px; cursor: pointer; }

    
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 998; opacity: 0; visibility: hidden; transition: 0.3s; }
    .drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: #fff; z-index: 999; box-shadow: var(--shadow-lg); transition: 0.3s; display: flex; flex-direction: column; padding: 20px; }
    .drawer.active { left: 0; }
    .drawer-overlay.active { opacity: 1; visibility: visible; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; border-bottom: 1px solid var(--border-color); padding-bottom: 15px; }
    .drawer-close { background: none; border: none; font-size: 24px; cursor: pointer; }
    .drawer-menu { display: flex; flex-direction: column; gap: 16px; }
    .drawer-menu a { font-size: 16px; font-weight: 500; padding: 8px 0; border-bottom: 1px dashed var(--border-color); }

    
    .list-banner {
      background: var(--deep-sea);
      color: #fff;
      padding: 60px 0;
      text-align: center;
    }
    .list-banner h1 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
    .breadcrumbs { display: flex; justify-content: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.7); }
    .breadcrumbs a:hover { color: #fff; }

    
    .main-layout { display: grid; grid-template-columns: 2.8fr 1.2fr; gap: 40px; padding: 60px 0; }

    
    .articles-list { display: grid; grid-template-columns: 1fr; gap: 30px; }
    .list-card {
      background: #fff;
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      display: grid;
      grid-template-columns: 1.2fr 2fr;
      transition: all 0.3s ease;
    }
    .list-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
    .card-img-wrapper { height: 100%; min-height: 200px; overflow: hidden; background: #eee; }
    .card-img-wrapper img { width: 100%; height: 100%; object-fit: cover; }
    .card-body { padding: 24px; display: flex; flex-direction: column; justify-content: space-between; }
    .card-meta { display: flex; gap: 16px; font-size: 13px; color: var(--text-secondary); margin-bottom: 10px; }
    .card-title { font-size: 20px; font-weight: 700; line-height: 1.4; margin-bottom: 10px; }
    .card-title a:hover { color: var(--primary-color); }
    .card-summary { font-size: 14px; color: var(--text-secondary); margin-bottom: 15px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .card-bottom { display: flex; justify-content: space-between; align-items: center; font-size: 13px; border-top: 1px solid var(--border-color); padding-top: 12px; }
    .card-tag { background: var(--glacier-blue); color: var(--accent-blue); padding: 2px 8px; border-radius: 4px; }

    
    .pagination { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 50px; }
    .page-item { padding: 10px 18px; border-radius: 8px; border: 1px solid var(--border-color); background: #fff; font-size: 14px; cursor: pointer; transition: 0.3s; }
    .page-item.active { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
    .page-item:hover:not(.active) { background: var(--border-color); }

    
    .sidebar { display: flex; flex-direction: column; gap: 30px; }
    .widget { background: #fff; border-radius: var(--radius); padding: 24px; border: 1px solid var(--border-color); }
    .widget-title { font-size: 18px; font-weight: 700; margin-bottom: 20px; border-left: 4px solid var(--primary-color); padding-left: 12px; }
    .widget-articles-list { display: flex; flex-direction: column; gap: 15px; }
    .widget-article-item { display: flex; gap: 12px; align-items: center; }
    .widget-article-item img { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; flex-shrink: 0; background: #eee; }
    .widget-article-info h4 { font-size: 14px; font-weight: 600; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .widget-article-info p { font-size: 12px; color: var(--text-secondary); margin-top: 4px; }

    
    footer { background: #0f172a; color: #94a3b8; padding: 60px 0 30px; font-size: 14px; }
    .footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
    .footer-logo-desc { display: flex; flex-direction: column; gap: 20px; }
    .footer-logo-desc .logo span { color: #fff; }
    .footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
    .footer-links { list-style: none; display: flex; flex-direction: column; gap: 12px; }
    .footer-links a:hover { color: #fff; }
    .footer-bottom { border-top: 1px solid #1e293b; padding-top: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }

    @media (max-width: 1024px) {
      .main-layout { grid-template-columns: 1fr; }
      .sidebar { display: none; }
    }
    @media (max-width: 768px) {
      .nav-desktop { display: none; }
      .menu-toggle { display: block; }
      .list-card { grid-template-columns: 1fr; }
    }