body{color:#101828;background:#f6f7f9;margin:0;font-family:Arial,sans-serif}main{max-width:920px;margin:0 auto;padding:48px 24px}article,.panel{background:#fff;border:1px solid #d9dee8;border-radius:8px;padding:28px}a{color:#175cd3}pre{white-space:pre-wrap;line-height:1.5}.muted{color:#667085}