:root { color-scheme: light dark; --ink: #1d2433; --muted: #5b6475; --bg: #f7f7f9; --card: #fff; --accent: #3b63e6; }
@media (prefers-color-scheme: dark) { :root { --ink: #eef1f8; --muted: #a6afc4; --bg: #0b0f1a; --card: #141b2d; --accent: #7aa2ff; } }
* { box-sizing: border-box; } body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", sans-serif; background: var(--bg); color: var(--ink); line-height: 1.6; }
main { max-width: 760px; margin: 0 auto; padding: 32px 20px 64px; } .card { background: var(--card); border-radius: 16px; padding: 28px; box-shadow: 0 10px 40px rgba(0,0,0,.08); }
h1 { font-size: 28px; margin: 0 0 4px; } h2 { font-size: 18px; margin: 28px 0 8px; } p, li { color: var(--ink); } .meta { color: var(--muted); font-size: 14px; margin-bottom: 20px; }
nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; margin-bottom: 18px; } nav a { color: var(--accent); text-decoration: none; } a { color: var(--accent); }
.brand { font-weight: 800; letter-spacing: .04em; font-size: 13px; color: var(--muted); text-transform: uppercase; }