:root { --bg: #f3f7ff; --card: #ffffff; --ink: #1d2540; --muted: #5a6585; --accent: #ff8a3d; --rule: #dde4f3; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f1c3f; --card: #17264f; --ink: #eef2ff; --muted: #a9b5d6; --accent: #ffa463; --rule: #2a3a68; color-scheme: dark; } }
* { 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; }
.wrap { max-width: 720px; margin: 0 auto; padding: 40px 20px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; }
header img { width: 56px; height: 56px; border-radius: 14px; }
header a { color: inherit; text-decoration: none; font-weight: 800; font-size: 22px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 6px; text-wrap: balance; }
h2 { font-size: 19px; margin: 32px 0 8px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); font-size: 14px; }
.card { background: var(--card); border: 1px solid var(--rule); border-radius: 16px; padding: 24px; }
a { color: var(--accent); }
ul { padding-left: 22px; }
footer { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--rule); font-size: 14px; color: var(--muted); }