.vn{background:#f5f7fb;color:#202735}.vn-wrap{max-width:1120px;margin:auto;padding:0 24px}.vn-hero,.vn-article-hero{background:linear-gradient(135deg,#173f66,#39869c);color:#fff;padding:72px 0}.vn-hero.compact{padding:50px 0}.vn-kicker{display:block;font-size:.76rem;font-weight:800;letter-spacing:.16em;margin-bottom:14px}.blue{color:#2a708d}.vn-hero h1,.vn-article-hero h1{font-size:clamp(3rem,6vw,5rem);margin:0 0 18px;line-height:1.05}.vn-hero p{max-width:760px;font-size:1.08rem;line-height:1.7}.vn-sub{background:#fff;border-bottom:1px solid #e1e7ee}.vn-sub .vn-wrap{display:flex;gap:14px;padding-top:17px;padding-bottom:17px}.vn-sub a,.vn-card a{color:#286e8d;font-weight:800;text-decoration:none}.vn-section{padding:64px 0}.vn-heading{max-width:720px;margin-bottom:30px}.vn-heading h2{font-size:2.5rem;margin:0 0 10px}.vn-heading p{color:#687386}.vn-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}.vn-card{background:#fff;border:1px solid #dfe6ed;border-radius:18px;overflow:hidden}.vn-card>img{width:100%;height:270px;object-fit:cover}.vn-body{padding:24px}.vn-cat{display:inline-block;background:#e9f3f6;color:#246b87;padding:6px 10px;border-radius:999px;font-size:.76rem;font-weight:800}.vn-date{color:#75808d;font-size:.85rem;margin-left:10px}.vn-card h3{font-size:1.5rem;margin:13px 0 8px}.vn-card p{color:#5f6c7c;line-height:1.65}.vn-empty,.vn-form{background:#fff;border:1px solid #dfe6ed;border-radius:18px;padding:30px}.vn-form{max-width:800px;margin:auto}.vn-form label{display:block;font-weight:700;margin-bottom:18px}.vn-form small{font-weight:400;color:#687386}.vn-form input,.vn-form select,.vn-form textarea{display:block;width:100%;box-sizing:border-box;margin-top:7px;padding:12px;border:1px solid #ccd5df;border-radius:9px;font:inherit}.vn-two{display:grid;grid-template-columns:1fr 1fr;gap:16px}.vn-btn{background:#286e8d;color:#fff;border:0;border-radius:999px;padding:12px 18px;font-weight:800}.vn-back{color:#fff;text-decoration:none;font-weight:800}.vn-detail{max-width:900px}.vn-main-photo{width:100%;max-height:620px;object-fit:contain;background:#e8edf2;border-radius:18px;margin-bottom:30px}.vn-lead{font-size:1.25rem;font-weight:600;line-height:1.65}.vn-full{font-size:1.08rem;line-height:1.85}.vn-source{margin-top:30px;border-top:1px solid #dfe6ed;padding-top:18px;color:#687386}.vn-admin-body{margin:0;background:#f4f7fb;color:#202735;font:16px/1.55 system-ui}.vn-admin{max-width:1200px;margin:auto;padding:38px 22px}.vn-admin-top{display:flex;justify-content:space-between;gap:25px}.vn-admin-top h1{font-size:2.6rem;margin:0}.vn-admin-top a{display:inline-block;background:#fff;border:1px solid #dce4ec;border-radius:9px;padding:10px 12px;color:#286e8d;text-decoration:none;font-weight:700}.vn-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:25px 0}.vn-stats div{background:#fff;border:1px solid #dfe6ed;border-radius:15px;padding:18px}.vn-stats b{display:block;font-size:1.8rem;color:#286e8d}.vn-admin-card{display:grid;grid-template-columns:260px 1fr;gap:22px;background:#fff;border:1px solid #dfe6ed;border-radius:18px;padding:20px;margin:18px 0}.vn-admin-card>img{width:100%;height:230px;object-fit:cover;border-radius:12px}.vn-admin-card button{padding:9px 13px;margin-right:6px;border:1px solid #ccd5df;border-radius:8px;background:#fff;font-weight:700}.vn-admin-card button:first-of-type{background:#286e8d;color:#fff;border-color:#286e8d}@media(max-width:800px){.vn-grid,.vn-two,.vn-admin-card{grid-template-columns:1fr}.vn-admin-top{display:block}.vn-admin-top>div:last-child{margin-top:15px}}