: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,.1);--article-shadow-md:0 4px 12px rgba(0,0,0,.1);--article-shadow-lg:0 10px 25px rgba(0,0,0,.1)}html{scroll-behavior:smooth}body{font-family:'Poppins',sans-serif}.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 .2s 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 .25s ease}.sidebar-widget:hover,.sidebar-card:hover{box-shadow:var(--article-shadow-lg)}.sidebar-widget-title,.sidebar-title{font-size:1.05rem;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)}.featured-list{display:flex;flex-direction:column;gap:10px}.featured-item{display:flex;gap:12px;padding:10px;background:var(--article-bg-light);border-radius:10px;text-decoration:none;color:var(--article-text);border:1px solid transparent;transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease}.featured-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,.2);text-decoration:none}.featured-thumb-wrap{position:relative;width:80px;height:60px;flex-shrink:0;border-radius:8px;overflow:hidden}.featured-thumb{width:100%;height:100%;object-fit:cover;border-radius:8px;display:block;pointer-events:none;transition:transform .25s ease}.featured-item:hover .featured-thumb{transform:scale(1.05)}.featured-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}.featured-title{font-size:.88rem;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{font-size:.78rem;opacity:.8;display:flex;gap:10px}.featured-meta span{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}.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:.9rem;white-space:nowrap;transition:background-color .2s ease,color .2s ease,transform .2s 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,.15)}.empty-state{text-align:center;padding:60px 20px;background:var(--article-bg-light);border-radius:12px;border:2px dashed var(--article-border)}.empty-state i{font-size:4rem;color:var(--article-border);margin-bottom:20px;display:block}.empty-state h4{font-size:1.5rem;font-weight:600;color:var(--article-text);margin-bottom:10px}.empty-state p{color:var(--article-text-light);margin-bottom:0}.articles-toast{position:fixed;top:20px;right:20px;padding:14px 22px;border-radius:8px;color:#fff;font-size:.9rem;font-weight:500;box-shadow:0 4px 12px rgba(0,0,0,.15);z-index:9999;opacity:0;transform:translateX(calc(100%+24px));transition:opacity .3s ease,transform .3s ease;pointer-events:none}.articles-toast--success{background:#10b981}.articles-toast--error{background:#ef4444}.articles-toast--warning{background:#f59e0b}.articles-toast--visible{opacity:1;transform:translateX(0)}.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}.tag-item:focus,.featured-item:focus{outline:2px solid var(--article-accent);outline-offset:2px}@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:18px;margin-bottom:16px}.featured-thumb-wrap{width:64px;height:48px}.featured-title{font-size:.84rem}.empty-state{padding:40px 15px}.empty-state i{font-size:3rem}.empty-state h4{font-size:1.25rem}}@media (max-width:480px){.sidebar-widget-title,.sidebar-title{font-size:1rem}.featured-meta{font-size:.72rem;gap:8px}.tag-item{padding:6px 12px;font-size:.85rem}}@media print{.sidebar-widget,.sidebar-card,.pagination,.breadcrumb{display:none}}