body {
    max-width: 46rem;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
    font: 16px/1.6 -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
    color: #111;
    background: #fff;
}

h1 { font-size: 1.8rem; }
h2 { font-size: 1.15rem; margin-top: 2.2rem; }

ul { padding-left: 1.1rem; }
li { margin-bottom: 0.9rem; }

.updated { color: #666; font-size: 0.9rem; }

.back {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid #ddd;
    font-size: 0.9rem;
}

@media (prefers-color-scheme: dark) {
    body { background: #111; color: #eee; }
    a { color: #6cf; }
    .updated { color: #999; }
    .back { border-top-color: #333; }
}