:root{--color-primary: #2258BF;--color-secondary: #2EC4B6;--color-dark: #011627;--color-light: #FDFFFC;--color-gray: #E9ECEF;--color-text: #333;--color-text-light: #666;--color-border: #E0E0E0;--radius: 8px;--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-hover: 0 4px 16px rgba(0,0,0,.12);--max-width: 1200px;--header-height: 64px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:var(--color-text);background:var(--color-light);line-height:1.6}a{color:inherit;text-decoration:none;transition:color .2s}a:hover{color:var(--color-primary)}img{max-width:100%;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}.article-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:box-shadow .3s,transform .3s}.article-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}.article-card img{width:100%;height:220px;object-fit:cover}.article-card-body{padding:16px 20px}.article-card-category{display:inline-block;font-size:12px;color:var(--color-primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}.article-card-title{font-size:18px;font-weight:600;line-height:1.4;margin-bottom:8px}.article-card-excerpt{font-size:14px;color:var(--color-text-light);line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-card-meta{display:flex;gap:12px;font-size:13px;color:var(--color-text-light);margin-top:12px}.btn{display:inline-block;padding:8px 20px;border-radius:var(--radius);font-size:14px;cursor:pointer;border:none;transition:background .2s}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:#e55a2b;color:#fff}.pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin:40px 0}.pagination button{padding:8px 16px;border:1px solid var(--color-border);background:#fff;border-radius:var(--radius);cursor:pointer;font-size:14px}.pagination button:hover:not(:disabled){background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.pagination button:disabled{opacity:.5;cursor:not-allowed}.pagination .page-num{padding:8px 14px;border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;font-size:14px}.pagination .page-num.active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-main-side{display:grid;grid-template-columns:1fr 320px;gap:32px}@media (max-width: 968px){.grid-3{grid-template-columns:repeat(2,1fr)}.grid-main-side{grid-template-columns:1fr}}@media (max-width: 640px){.grid-2,.grid-3{grid-template-columns:1fr}}.loading{text-align:center;padding:40px;color:var(--color-text-light)}.spinner{display:inline-block;width:32px;height:32px;border:3px solid var(--color-gray);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.section-title{font-size:24px;font-weight:700;margin:40px 0 24px;position:relative;padding-left:16px}.section-title:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:24px;background:var(--color-primary);border-radius:2px}