:root { color-scheme: light dark; --bg: #f2f3f7; --surface: #fff; --text: #1c1c1e; --muted: #6c6c70; --accent: #2952e8; --line: #e5e5ea; }
@media (prefers-color-scheme: dark) { :root { --bg: #000; --surface: #1c1c1e; --text: #f2f2f7; --muted: #98989f; --accent: #5b82ff; --line: #38383a; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; -webkit-text-size-adjust: 100%; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
header img { width: 56px; height: 56px; border-radius: 13px; }
h1 { font-size: 28px; line-height: 1.2; margin: 0; }
.meta { color: var(--muted); font-size: 15px; margin: 4px 0 24px; }
section { background: var(--surface); border-radius: 14px; padding: 4px 20px 12px; margin: 0 0 16px; }
h2 { font-size: 19px; margin: 18px 0 6px; }
h3 { font-size: 17px; margin: 16px 0 4px; }
p, ul { margin: 0 0 12px; }
ul { padding-left: 20px; }
li { margin-bottom: 6px; }
a { color: var(--accent); }
footer { color: var(--muted); font-size: 14px; text-align: center; margin-top: 24px; }