body{font:16px/1.6 -apple-system,system-ui,sans-serif;max-width:720px;margin:0 auto;padding:32px 20px;color:#1c1c1e}
h1{font-size:2rem}h2{margin-top:2rem}a{color:#0a5bd8}footer{margin-top:3rem;font-size:.9rem;color:#666}
@media(prefers-color-scheme:dark){body{background:#111;color:#eee}a{color:#6ea8ff}footer{color:#aaa}}