:root { --bg: #f4f3f0; --surface: #fff; --line: #e2e0da; --text: #1f2126; --muted: #5b5f68; --accent: #2b4c7e; }
@media (prefers-color-scheme: dark) { :root { --bg: #16171a; --surface: #1f2126; --line: #33363d; --text: #e9e8e4; --muted: #a3a6ad; --accent: #8fb0e4; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.6 Inter, "Segoe UI", system-ui, sans-serif; }
main { max-width: 760px; margin: 32px auto; padding: 32px 36px; background: var(--surface); border: 1px solid var(--line); border-radius: 8px; }
.brand { display: flex; align-items: center; gap: 8px; font-weight: 600; margin: 0 0 18px; }
.mark { width: 24px; height: 24px; border-radius: 6px; background: #2b4c7e; color: #fff; display: grid; place-items: center; font-size: 11px; font-weight: 700; }
h1 { font-size: 24px; line-height: 1.25; margin: 0 0 6px; }
h2 { font-size: 16px; margin: 26px 0 6px; }
.meta { color: var(--muted); font-size: 13px; margin: 0 0 20px; }
ul { padding-left: 20px; margin: 6px 0; }
li { margin: 4px 0; }
a { color: var(--accent); }
@media (max-width: 640px) { main { margin: 0; border: 0; border-radius: 0; padding: 20px 16px; } }