:root { color-scheme: dark; --bg: #0b0f17; --surface: #141a26; --text: #eef2f8; --muted: #9aa6b8; --accent: #3d8bff; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 48px 24px 80px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; }
header img { width: 48px; height: 48px; border-radius: 12px; }
header a { color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: 4px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0 0 8px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--text); }
.muted { color: var(--muted); font-size: 15px; }
a { color: var(--accent); }
.card { background: var(--surface); border-radius: 16px; padding: 20px 22px; margin: 16px 0; }
nav { margin-top: 48px; display: flex; gap: 20px; font-size: 15px; }