:root { color-scheme: light dark; --bg: #fff; --text: #111; --muted: #555; --line: #e5e5e5; --link: #1a5fd6; }
@media (prefers-color-scheme: dark) { :root { --bg: #111; --text: #eee; --muted: #a3a3a3; --line: #2a2a2a; --link: #7fb0ff; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; -webkit-text-size-adjust: 100%; }
main { max-width: 760px; margin: 0 auto; padding: 32px 22px 80px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
header img { width: 40px; height: 40px; border-radius: 11px; }
header a { color: var(--text); text-decoration: none; font-weight: 750; font-size: 20px; }
h1 { font-size: 32px; letter-spacing: -.02em; margin: 0 0 4px; }
h2 { font-size: 20px; margin: 30px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); }
a { color: var(--link); }
hr { border: 0; border-top: 1px solid var(--line); margin: 44px 0; }
.lang { display: flex; gap: 14px; margin: 8px 0 24px; }
footer { margin-top: 48px; color: var(--muted); font-size: 14px; display: flex; gap: 16px; flex-wrap: wrap; }