:root { --ink: #172033; --muted: #5b6475; --paper: #ffffff; --line: #e3e6ec; --link: #2457c5; }
@media (prefers-color-scheme: dark) { :root { --ink: #e8ebf2; --muted: #a2a9b8; --paper: #10151f; --line: #263042; --link: #8fb0ff; } }
body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
main { max-width: 680px; margin: 0 auto; padding: 40px 16px 64px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 4px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
.meta { color: var(--muted); margin: 0 0 24px; }
a { color: var(--link); }
ul { padding-left: 20px; }
footer { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }