body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;max-width:760px;margin:0 auto;padding:32px 16px;line-height:1.55;color:#1d2a30;background:#f6f8f8}
h1{color:#0f3d4a}h2{color:#0f3d4a;margin-top:28px}a{color:#0b6e7f}
header{display:flex;align-items:center;gap:14px}header img{width:56px;height:56px;border-radius:12px}
nav a{margin-right:16px}footer{margin-top:40px;font-size:13px;color:#5b6b70}
@media (prefers-color-scheme:dark){body{background:#12191c;color:#dfe7ea}h1,h2{color:#7fd3df}a{color:#7fd3df}footer{color:#94a5aa}}