:root{color-scheme:light}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:#f5f7fb;color:#10203a}main{max-width:860px;margin:0 auto;padding:2.5rem 1rem}h1{margin:0 0 .75rem}code{background:#e5ebf8;padding:.1rem .35rem;border-radius:4px}section{background:#ffffff;border:1px solid #d7dfec;border-radius:12px;padding:1rem 1.15rem;margin-top:1rem}ul{margin:.5rem 0 0;padding-left:1.25rem}a{color:#0b4fc0}