body{font:16px/1.6 -apple-system,system-ui,sans-serif;max-width:680px;margin:40px auto;padding:0 16px;color:#1d1d1f;background:#fff}
h1{font-size:28px;margin-bottom:4px}h2{font-size:18px;margin-top:28px}
a{color:#0a58ca}small{color:#6e6e73}nav a{margin-right:14px}
@media (prefers-color-scheme:dark){body{background:#111;color:#eee}a{color:#6ea8fe}small{color:#999}}