:root { --bg: #ffffff; --fg: #1f2328; --muted: #6b7280; --link: #2563eb; --line: #e5e7eb; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #111418; --fg: #e6e8eb; --muted: #9aa3ad; --link: #7aa7ff; --line: #2a2f36; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.65 system-ui, -apple-system, "Segoe UI", "Noto Sans KR", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
.logo { display: block; width: 160px; height: auto; margin: 0 auto 28px; border-radius: 12px; }
h1 { font-size: 1.8rem; margin: 0 0 12px; }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
a { color: var(--link); }
.muted { color: var(--muted); }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; }
hr { border: 0; border-top: 1px solid var(--line); margin: 36px 0; }
code { font-size: 0.9em; }