:root {
      --primary: rgb(15, 157, 88);
      --primary-hover: rgba(15, 157, 88, 0.9);
      --primary-light: rgba(15, 157, 88, 0.1);
      --border-color: #E2E8F0;
      --text-main: #333333;
      --text-muted: #666666;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * { 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-main); background: #FAFBFD; line-height: 1.6; }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    img { max-width: 100%; height: auto; }
    .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }

    
    .header { background: #FFFFFF; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; height: 70px; display: flex; align-items: center; }
    .header-nav { display: flex; align-items: center; justify-content: space-between; width: 100%; }
    .logo { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
    .logo img { display: block; height: 36px; width: auto; max-width: 160px; object-fit: contain; flex-shrink: 0; }
    .logo span { display: inline-block; font-size: 18px; font-weight: 800; line-height: 1; color: #111; white-space: nowrap; }
    .nav-menu { display: flex; align-items: center; gap: 24px; }
    .nav-link { font-size: 15px; font-weight: 500; color: var(--text-muted); position: relative; padding: 8px 0; }
    .nav-link:hover, .nav-link.active { color: var(--primary); }
    .nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--primary); transition: var(--transition); }
    .nav-link:hover::after, .nav-link.active::after { width: 100%; }
    .header-btn { background: var(--primary); color: #FFF; padding: 8px 18px; border-radius: 6px; font-weight: 600; font-size: 14px; }
    .header-btn:hover { background: var(--primary-hover); transform: translateY(-1px); }
    .menu-trigger { display: none; background: none; border: none; cursor: pointer; padding: 4px; }
    .menu-trigger span { display: block; width: 24px; height: 2px; background: var(--text-main); margin: 5px 0; transition: var(--transition); }

    .drawer-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 200; opacity: 0; pointer-events: none; transition: var(--transition); }
    .drawer { position: fixed; top: 0; left: -280px; width: 280px; height: 100%; background: #FFFFFF; z-index: 201; box-shadow: 4px 0 20px rgba(0,0,0,0.15); display: flex; flex-direction: column; transition: var(--transition); padding: 20px; }
    .drawer.active { left: 0; }
    .drawer-overlay.active { opacity: 1; pointer-events: auto; }
    .drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; }
    .drawer-close { background: none; border: none; font-size: 24px; cursor: pointer; color: var(--text-muted); }
    .drawer-menu { display: flex; flex-direction: column; gap: 18px; overflow-y: auto; flex: 1; }
    .drawer-link { font-size: 16px; font-weight: 600; color: var(--text-muted); padding: 8px 0; border-bottom: 1px solid var(--border-color); }
    .drawer-link:hover { color: var(--primary); padding-left: 5px; }

    
    .page-banner { background: linear-gradient(135deg, #111A3A 0%, #070B19 100%); color: #FFFFFF; padding: 40px 0; margin-bottom: 40px; }
    .breadcrumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #BACCE8; margin-bottom: 10px; }
    .breadcrumbs a:hover { color: #FFFFFF; }
    .page-title { font-size: 28px; font-weight: 800; }

    
    .main-grid { display: grid; grid-template-columns: 2.5fr 1fr; gap: 40px; padding-bottom: 80px; }
    .articles-list { display: flex; flex-direction: column; gap: 24px; }
    
    
    .list-article-card { background: #FFFFFF; border: 1px solid var(--border-color); border-radius: 10px; overflow: hidden; display: grid; grid-template-columns: 240px 1fr; transition: var(--transition); }
    .list-article-card:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.05); border-color: var(--primary); }
    .list-article-img { background: #EEE; height: 100%; min-height: 160px; overflow: hidden; position: relative; }
    .list-article-img img { width: 100%; height: 100%; object-fit: cover; }
    .list-article-info { padding: 20px; display: flex; flex-direction: column; justify-content: space-between; }
    .list-article-meta { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 15px; margin-bottom: 8px; }
    .list-article-title { font-size: 18px; font-weight: 700; color: #111; margin-bottom: 8px; line-height: 1.4; }
    .list-article-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 15px; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .list-article-tags { display: flex; gap: 6px; flex-wrap: wrap; }
    .list-tag-badge { background: var(--primary-light); color: var(--primary); font-size: 11px; padding: 2px 8px; border-radius: 4px; }
    
    
    .pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 40px; }
    .pagination-item { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--border-color); border-radius: 6px; background: #FFFFFF; font-size: 14px; font-weight: 600; }
    .pagination-item.active { background: var(--primary); border-color: var(--primary); color: #FFFFFF; }
    .pagination-item:hover:not(.active) { border-color: var(--primary); color: var(--primary); }

    
    .sidebar { display: flex; flex-direction: column; gap: 30px; }
    .widget { background: #FFFFFF; border: 1px solid var(--border-color); border-radius: 10px; padding: 20px; }
    .widget-title { font-size: 16px; font-weight: 700; color: #111; margin-bottom: 15px; border-left: 3px solid var(--primary); padding-left: 10px; }
    .widget-list { display: flex; flex-direction: column; gap: 12px; }
    .widget-item { display: flex; align-items: center; gap: 10px; font-size: 13px; }
    .widget-item span { width: 6px; height: 6px; background: var(--primary); border-radius: 50%; }

    
    .footer { background: #0F1424; color: #9AA4B2; padding: 60px 0 30px 0; font-size: 14px; border-top: 4px solid var(--primary); }
    .footer-grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: 40px; margin-bottom: 40px; }
    .footer-logo-desc { display: flex; flex-direction: column; gap: 15px; }
    .footer .logo span { color: #FFFFFF; }
    .footer-title { color: #FFFFFF; font-size: 15px; font-weight: 700; margin-bottom: 18px; position: relative; }
    .footer-title::after { content: ''; display: block; width: 30px; height: 2px; background: var(--primary); margin-top: 8px; }
    .footer-links { display: flex; flex-direction: column; gap: 12px; }
    .footer-links a:hover { color: #FFFFFF; padding-left: 4px; }
    .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 25px; text-align: center; font-size: 12px; display: flex; flex-direction: column; gap: 10px; }

    @media (max-width: 991px) {
      .main-grid { grid-template-columns: 1fr; }
      .list-article-card { grid-template-columns: 1fr; }
      .list-article-img { height: 200px; }
    }
    @media (max-width: 768px) {
      .nav-menu { display: none; }
      .menu-trigger { display: block; }
    }