:root{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",sans-serif;color:#1f2328;background:#fff}body{margin:0}main{max-width:760px;margin:0 auto;padding:48px 22px 72px}h1{font-size:34px;line-height:1.15;margin:0 0 24px}h2{font-size:22px;margin:34px 0 12px}h3{font-size:18px;margin:26px 0 8px}p,li{font-size:16px;line-height:1.65}ul,ol{padding-left:24px}a{color:inherit}.note{padding:14px 16px;border:1px solid #d0d7de;border-radius:12px;background:#f6f8fa}.meta{color:#59636e;font-size:14px}.nav{display:flex;gap:18px;margin-top:36px;padding-top:22px;border-top:1px solid #d8dee4}@media(prefers-color-scheme:dark){:root{color:#f0f3f6;background:#0d1117}.note{background:#161b22;border-color:#30363d}.meta{color:#8b949e}.nav{border-color:#30363d}}