:root { --bg: #FBFAFF; --fg: #1F2340; --muted: #4A4F6E; --accent: #6B74E6; --card: #FFFFFF; --line: #E6E4F2; }
@media (prefers-color-scheme: dark) { :root { --bg: #15172B; --fg: #F2F2FA; --muted: #B9BCD6; --accent: #8F96F2; --card: #1F2240; --line: #2E3254; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 18px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 16px 64px; }
header.site { display: flex; align-items: center; gap: 12px; max-width: 720px; margin: 0 auto; padding: 20px 16px 0; }
header.site a { color: var(--fg); text-decoration: none; font-weight: 800; font-size: 22px; display: flex; align-items: center; gap: 10px; }
header.site img { width: 40px; height: 40px; border-radius: 10px; }
nav { margin-left: auto; display: flex; gap: 16px; font-size: 16px; }
nav a { color: var(--accent); text-decoration: none; font-weight: 600; }
h1 { font-size: 34px; line-height: 1.2; margin: 24px 0 8px; }
h2 { font-size: 22px; margin: 32px 0 8px; }
p, li { color: var(--muted); }
strong { color: var(--fg); }
a { color: var(--accent); }
.hero { text-align: center; }
.hero img { width: 160px; height: auto; }
.lead { font-size: 20px; }
.cards { display: grid; gap: 12px; margin-top: 24px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 16px 18px; }
.card strong { display: block; margin-bottom: 2px; }
.muted { font-size: 15px; }
footer { max-width: 720px; margin: 0 auto; padding: 0 16px 40px; font-size: 15px; color: var(--muted); }