:root {
      --primary-color: rgb(9, 132, 227);
      --glacier-blue: #1D7BFF;
      --silver-white: #f5f6fa;
      --deep-sea-ink: #0a0f1d;
      --border-color: rgba(255, 255, 255, 0.08);
      --text-main: #333333;
      --text-light: #666666;
      --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font-family); color: var(--text-main); background-color: #ffffff; line-height: 1.6; }
    a { color: inherit; text-decoration: none; }

    
    .header { background: rgba(10, 15, 29, 0.95); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(10px); }
    .header-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 15px 20px; }
    .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: #ffffff; white-space: nowrap; }
    .nav-desktop { display: flex; align-items: center; gap: 30px; }
    .nav-desktop a { color: #e0e6ed; font-weight: 500; font-size: 15px; transition: color 0.3s; }
    .nav-desktop a:hover { color: var(--glacier-blue); }
    .header-actions { display: flex; align-items: center; gap: 15px; }
    .btn-login { background: var(--glacier-blue); color: #ffffff; padding: 10px 22px; border-radius: 6px; font-weight: 600; font-size: 14px; transition: all 0.3s ease; border: none; cursor: pointer; }
    .btn-login:hover { background: #0056b3; transform: translateY(-1px); }
    .menu-toggle { display: none; background: none; border: none; color: #ffffff; font-size: 24px; cursor: pointer; }

    
    .mobile-drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: #0a0f1d; z-index: 2000; box-shadow: 5px 0 15px rgba(0,0,0,0.5); transition: left 0.3s ease; display: flex; flex-direction: column; padding: 20px; }
    .mobile-drawer.active { left: 0; }
    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.6); z-index: 1999; display: none; }
    .drawer-overlay.active { display: block; }
    .drawer-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
    .drawer-close { background: none; border: none; color: #ffffff; font-size: 24px; cursor: pointer; }
    .drawer-nav { display: flex; flex-direction: column; gap: 20px; }
    .drawer-nav a { color: #ffffff; font-size: 16px; font-weight: 500; padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }

    
    .breadcrumbs { background: #f8fafc; border-bottom: 1px solid #e2e8f0; padding: 15px 20px; font-size: 14px; color: var(--text-light); }
    .breadcrumbs-container { max-width: 1200px; margin: 0 auto; display: flex; gap: 8px; align-items: center; }
    .breadcrumbs a:hover { color: var(--glacier-blue); }

    
    .list-banner { background: #0a0f1d; color: #ffffff; padding: 60px 20px; text-align: center; }
    .list-banner h1 { font-size: 32px; font-weight: 700; margin-bottom: 12px; }
    .list-banner p { color: #b0b8c6; font-size: 16px; max-width: 600px; margin: 0 auto; }

    
    .main-grid { max-width: 1200px; margin: 50px auto; padding: 0 20px; display: grid; grid-template-columns: 8fr 4fr; gap: 40px; }

    
    .articles-list { display: flex; flex-direction: column; gap: 30px; }
    .article-card { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 12px; overflow: hidden; display: grid; grid-template-columns: 1fr 2fr; transition: all 0.3s; }
    .article-card:hover { transform: translateY(-3px); box-shadow: 0 10px 25px rgba(0,0,0,0.05); border-color: var(--glacier-blue); }
    .article-img-wrapper { position: relative; height: 100%; min-height: 200px; background: #f1f5f9; }
    .article-img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; }
    .article-content { padding: 24px; display: flex; flex-direction: column; justify-content: space-between; }
    .article-meta { display: flex; gap: 15px; font-size: 12px; color: var(--text-light); margin-bottom: 10px; }
    .article-title { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--deep-sea-ink); }
    .article-summary { font-size: 14px; color: var(--text-light); margin-bottom: 15px; line-height: 1.6; }
    .article-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid #f1f5f9; padding-top: 15px; }
    .article-tags { display: flex; gap: 6px; }
    .article-tag { background: #f1f5f9; color: var(--text-light); padding: 2px 8px; border-radius: 4px; font-size: 11px; }
    .article-link { color: var(--glacier-blue); font-weight: 600; font-size: 14px; }

    
    .sidebar { display: flex; flex-direction: column; gap: 40px; }
    .sidebar-widget { background: #ffffff; border: 1px solid #e2e8f0; padding: 24px; border-radius: 12px; }
    .widget-title { font-size: 18px; font-weight: 700; color: var(--deep-sea-ink); margin-bottom: 20px; border-left: 4px solid var(--glacier-blue); padding-left: 10px; }
    
    .recent-list { list-style: none; display: flex; flex-direction: column; gap: 15px; }
    .recent-item a { display: block; font-size: 14px; font-weight: 600; color: var(--text-main); margin-bottom: 4px; transition: color 0.3s; }
    .recent-item a:hover { color: var(--glacier-blue); }
    .recent-meta { font-size: 12px; color: var(--text-light); }

    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
    .tag-item { background: #f1f5f9; color: var(--text-main); padding: 6px 12px; border-radius: 6px; font-size: 13px; transition: all 0.3s; }
    .tag-item:hover { background: var(--glacier-blue); color: #ffffff; }

    
    .pagination { display: flex; justify-content: center; gap: 8px; margin-top: 50px; }
    .page-btn { padding: 8px 16px; border: 1px solid #e2e8f0; border-radius: 6px; background: #ffffff; color: var(--text-main); transition: all 0.3s; }
    .page-btn.active { background: var(--glacier-blue); color: #ffffff; border-color: var(--glacier-blue); }
    .page-btn:hover:not(.active) { background: #f8fafc; border-color: #cbd5e1; }

    
    .footer { background: #060913; color: #b0b8c6; padding: 80px 20px 40px; font-size: 14px; border-top: 1px solid var(--border-color); }
    .footer-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 2fr; gap: 50px; margin-bottom: 60px; }
    .footer-brand { display: flex; flex-direction: column; gap: 20px; }
    .footer .logo span { color: #ffffff; }
    .footer-desc { line-height: 1.6; }
    .footer-title { color: #ffffff; font-size: 16px; font-weight: 600; margin-bottom: 24px; }
    .footer-links { list-style: none; }
    .footer-links li { margin-bottom: 12px; }
    .footer-links a { transition: color 0.3s; }
    .footer-links a:hover { color: var(--glacier-blue); }
    .footer-contact p { margin-bottom: 12px; }
    .footer-bottom { max-width: 1200px; margin: 0 auto; border-top: 1px solid var(--border-color); padding-top: 40px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
    .footer-disclaimer { font-size: 12px; color: #64748b; line-height: 1.8; width: 100%; margin-top: 20px; }

    @media (max-width: 1024px) {
      .main-grid { grid-template-columns: 1fr; gap: 40px; }
      .article-card { grid-template-columns: 1fr; }
      .article-img-wrapper { height: 200px; }
      .nav-desktop { display: none; }
      .menu-toggle { display: block; }
      .footer-container { grid-template-columns: 1fr; gap: 30px; }
    }