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}a{color:#185f9d;overflow-wrap:anywhere}h1{font-size:28px}nav{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}nav a{background:#fff;border:1px solid #dce5ef;border-radius:8px;padding:6px 12px;text-decoration:none}nav a[aria-current]{font-weight:700;border-color:#185f9d}.catalog-items{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:12px;list-style:none;padding:0}.catalog-items li{background:#fff;border:1px solid #dce5ef;border-radius:10px}.catalog-items a{display:block;padding:14px;text-decoration:none}a:focus-visible{outline:2px solid #185f9d;outline-offset:3px}