:root { color-scheme: light dark; --bg: #f6f7f5; --ink: #1b2124; --muted: #5b676d; --line: #d9dfdc; --accent: #0b7f7b; --card: #ffffff; }
@media (prefers-color-scheme: dark) { :root { --bg: #14181b; --ink: #e8ecea; --muted: #9aa8ad; --line: #2c3438; --accent: #48c4bf; --card: #1e2327; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 48px 20px 80px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
header img { width: 64px; height: 64px; border-radius: 16px; }
h1 { margin: 0; font-size: 30px; }
h2 { margin: 36px 0 8px; font-size: 20px; }
p, li { color: var(--ink); }
.lead { color: var(--muted); font-size: 18px; margin: 4px 0 0; }
a { color: var(--accent); }
ul { padding-left: 22px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px 20px; margin: 16px 0; }
table { border-collapse: collapse; width: 100%; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
footer { margin-top: 48px; color: var(--muted); font-size: 14px; }
nav a { margin-right: 16px; }