body{font:16px/1.6 system-ui,sans-serif;max-width:720px;margin:0 auto;padding:24px 16px;color:#222;background:#fff}
h1{font-size:1.6em}h2{font-size:1.15em;margin-top:1.6em}code{background:#f2f2f2;padding:2px 6px;border-radius:4px;word-break:break-all}