:root{--article-primary:#193c76;--article-secondary:#2c5aa0;--article-accent:#4a90e2;--article-text:#2d3748;--article-text-light:#718096;--article-border:#e2e8f0;--article-bg-light:#f7fafc;--article-white:#ffffff;--article-shadow:0 1px 3px rgba(0,0,0,0.1);--article-shadow-lg:0 10px 25px rgba(0,0,0,0.1);}  .articles-container{padding:40px 0;min-height:60vh;} .main-content{padding-top:20px;padding-bottom:60px;}  .breadcrumb{background:transparent;padding:1rem 0;margin-bottom:1.5rem;} .breadcrumb-item a{color:var(--article-primary);text-decoration:none;transition:color 0.3s ease;} .breadcrumb-item a:hover{color:var(--article-secondary);} .breadcrumb-item.active{color:var(--article-text-light);}  .articles-sidebar{position:sticky;top:100px;} .sidebar-widget, .sidebar-card{background:var(--article-white);border-radius:12px;padding:24px;margin-bottom:24px;box-shadow:var(--article-shadow);transition:box-shadow 0.3s ease;} .sidebar-widget:hover, .sidebar-card:hover{box-shadow:var(--article-shadow-lg);} .sidebar-widget-title, .sidebar-title{font-size:1.1rem;font-weight:700;color:var(--article-text);margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--article-primary);display:flex;align-items:center;gap:8px;} .sidebar-widget-title i, .sidebar-title i{color:var(--article-primary);}  .category-list{display:flex;flex-direction:column;gap:10px;} .category-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--article-bg-light);border-radius:8px;text-decoration:none;color:var(--article-text);transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);border:1px solid transparent;} .category-item:hover{background:var(--article-primary);color:var(--article-white);transform:translateX(5px);border-color:var(--article-primary);box-shadow:0 4px 8px rgba(25, 60, 118, 0.2);} .category-item.active{background:var(--article-primary);color:var(--article-white);border-color:var(--article-primary);box-shadow:0 4px 8px rgba(25, 60, 118, 0.2);} .category-name{font-weight:500;} .category-count{background:var(--article-white);color:var(--article-primary);padding:4px 10px;border-radius:20px;font-size:0.8rem;font-weight:600;min-width:32px;text-align:center;} .category-item:hover .category-count, .category-item.active .category-count{background:var(--article-white);color:var(--article-primary);}  .tag-cloud{display:flex;flex-wrap:wrap;gap:10px;} .tag-item{display:inline-flex;align-items:center;padding:8px 16px;background:var(--article-bg-light);border-radius:20px;text-decoration:none;color:var(--article-text);font-size:0.9rem;white-space:nowrap;transition:all 0.3s ease;border:1px solid transparent;} .tag-item:hover{background:var(--article-primary);color:var(--article-white);border-color:var(--article-primary);transform:translateY(-2px);box-shadow:0 4px 8px rgba(25, 60, 118, 0.15);}  .featured-list{display:flex;flex-direction:column;gap:12px;} .featured-item, .featured-article-item{display:flex;gap:12px;padding:12px;background:var(--article-bg-light);border-radius:8px;text-decoration:none;color:var(--article-text);transition:all 0.3s cubic-bezier(0.4, 0, 0.2, 1);border:1px solid transparent;} .featured-item:hover, .featured-article-item:hover{background:var(--article-primary);color:var(--article-white);border-color:var(--article-primary);transform:translateY(-2px);box-shadow:0 6px 12px rgba(25, 60, 118, 0.2);} .featured-thumb, .featured-article-image{width:80px;height:60px;border-radius:8px;object-fit:cover;flex-shrink:0;transition:transform 0.3s ease;} .featured-item:hover .featured-thumb, .featured-article-item:hover .featured-article-image{transform:scale(1.05);} .featured-info, .featured-article-info{flex:1;display:flex;flex-direction:column;justify-content:center;} .featured-title, .featured-article-title{font-size:0.9rem;font-weight:600;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.4;} .featured-meta, .featured-article-date{font-size:0.8rem;opacity:0.8;display:flex;gap:12px;} .featured-meta span{display:flex;align-items:center;gap:4px;}  .empty-state, .no-results{text-align:center;padding:60px 20px;background:var(--article-bg-light);border-radius:12px;border:2px dashed var(--article-border);} .empty-state i, .no-results-icon{font-size:4rem;color:var(--article-border);margin-bottom:20px;} .empty-state h4, .no-results-title{font-size:1.5rem;font-weight:600;color:var(--article-text);margin-bottom:10px;} .empty-state p, .no-results-text{color:var(--article-text-light);margin-bottom:0;}  .loading-spinner{display:flex;justify-content:center;align-items:center;padding:40px;} .spinner-border{width:3rem;height:3rem;border-width:0.3rem;color:var(--article-primary);}  @media (max-width:992px){.articles-sidebar{position:static;margin-top:40px;} .sidebar-widget, .sidebar-card{margin-bottom:20px;}} @media (max-width:768px){.main-content{padding-top:15px;padding-bottom:40px;} .sidebar-widget, .sidebar-card{padding:20px;margin-bottom:16px;} .featured-thumb, .featured-article-image{width:60px;height:60px;} .featured-title, .featured-article-title{font-size:0.85rem;} .category-item{padding:10px 12px;} .category-name{font-size:0.9rem;} .empty-state, .no-results{padding:40px 15px;} .empty-state i, .no-results-icon{font-size:3rem;} .empty-state h4, .no-results-title{font-size:1.25rem;}} @media (max-width:480px){.sidebar-widget-title, .sidebar-title{font-size:1rem;} .featured-meta, .featured-article-date{font-size:0.75rem;gap:8px;} .category-item{padding:8px 10px;} .tag-item{padding:6px 12px;font-size:0.85rem;}}  .text-truncate-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;} .text-truncate-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}  html{scroll-behavior:smooth;}  .category-item:focus, .tag-item:focus, .featured-item:focus{outline:2px solid var(--article-accent);outline-offset:2px;}  @media print{.sidebar-widget, .sidebar-card, .pagination, .breadcrumb{display:none;}}