body{font:16px/1.6 -apple-system,system-ui,sans-serif;max-width:720px;margin:48px auto;padding:0 20px;color:#111}h1,h2{line-height:1.25}code{background:#f3f4f6;padding:2px 6px;border-radius:4px}footer{margin-top:48px;color:#666;font-size:14px}