body{margin:0;background:#fafbfd;color:#102039;font:17px/1.65 system-ui,sans-serif}main{max-width:800px;margin:auto;padding:28px 24px 64px}nav{display:flex;gap:16px;flex-wrap:wrap;border-bottom:1px solid #dbe1e9;padding-bottom:18px}a{color:#ac362a;overflow-wrap:anywhere}h1{font-size:2rem;line-height:1.2}h2{font-size:1.25rem;margin-top:30px}li{margin:10px 0}a:focus-visible{outline:3px solid #ac362a;outline-offset:4px}
details{margin:20px 0;padding:16px;border:1px solid #dbe1e9;border-radius:8px}summary{cursor:pointer;font-weight:600}summary:focus-visible{outline:3px solid #ac362a;outline-offset:4px}