:root { color-scheme: dark; }
* { box-sizing: border-box; }
body {
    margin: 0;
    background: #0f172a;
    color: #cbd5e1;
    font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main {
    max-width: 760px;
    margin: 0 auto;
    padding: 32px 16px 64px;
}
a { color: #38bdf8; }
.back { display: inline-block; margin-bottom: 24px; text-decoration: none; }
h1 { color: #fff; font-size: 28px; margin: 0 0 4px; }
h2 { color: #f97316; font-size: 18px; margin: 32px 0 8px; }
.updated { color: #94a3b8; font-size: 14px; margin: 0 0 24px; }
ul { padding-left: 22px; }
li { margin: 4px 0; }
footer { margin-top: 48px; font-size: 14px; color: #94a3b8; }