body{margin:0;font:17px/1.65 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a1a;background:#fff}
main{max-width:720px;margin:0 auto;padding:32px 20px 64px}
h1{font-size:2rem;margin:0 0 .5em}
h2{font-size:1.25rem;margin:1.8em 0 .4em}
ul{padding-left:1.3em}li{margin:.4em 0}
a{color:#0b5fd1}
@media (prefers-color-scheme:dark){body{background:#111;color:#e8e8e8}a{color:#7ab3ff}}