body{margin:0;color:#1c3038;background:#f6f8fa;font:18px/1.65 system-ui,sans-serif}main{max-width:820px;margin:48px auto;padding:32px;background:#fff;border:1px solid #dbe3e7;border-radius:12px}h1{font-size:2rem;line-height:1.25}h2{font-size:1.3rem;margin-top:1.8em}a{color:#006d77}code{background:#eef4f5;padding:.1em .3em;border-radius:4px}nav{margin:1.5em 0}@media(max-width:700px){main{margin:0;border:0;border-radius:0;padding:24px}}