body{font-family:-apple-system,system-ui,sans-serif;max-width:720px;margin:0 auto;padding:32px 16px;line-height:1.6;color:#1b2430;background:#fff}
h1{color:#1a4fd6}a{color:#1a4fd6}
@media (prefers-color-scheme:dark){body{background:#12161c;color:#e6ebf2}h1,a{color:#7aa7ff}}