body{margin:0;background:#f7f9fc;color:#19334a;font:16px/1.7 system-ui,-apple-system,"Microsoft YaHei",sans-serif}header,main,footer{max-width:1120px;margin:auto;padding:20px}header a{color:#2563eb;font-weight:700}h1{font-size:30px;margin:12px 0}h2{font-size:21px}section{margin:26px 0}ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:12px;list-style:none;padding:0}li{border:1px solid #dde5ed;border-radius:10px;background:white}li a{display:flex;gap:12px;align-items:center;padding:14px;text-decoration:none;color:#19334a;overflow-wrap:anywhere}li img{object-fit:contain;flex:none}li a:hover,li a:focus-visible{color:#2563eb;outline:2px solid #2563eb}footer{font-size:14px}footer a{color:#2563eb}@media (max-width:480px){header,main,footer{padding:16px}h1{font-size:25px}}