:root { --bg: #FBF7F0; --card: #FFFFFF; --text: #2B2118; --muted: #6E6257; --border: #E4D9CA; --accent: #B5462F; }
@media (prefers-color-scheme: dark) {
  :root { --bg: #1C1814; --card: #27211C; --text: #F3ECE2; --muted: #B3A797; --border: #3E352C; --accent: #E07A5F; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 19px/1.55 Georgia, "Times New Roman", serif; }
main { max-width: 640px; margin: 0 auto; padding: 40px 20px 24px; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 32px 0 10px; }
.lead { color: var(--muted); margin: 0 0 28px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 22px; }
ol, ul { margin: 0; padding-left: 1.3em; }
li { margin: 0 0 10px; }
li:last-child { margin-bottom: 0; }
a { color: var(--accent); }
footer { max-width: 640px; margin: 0 auto; padding: 24px 20px 48px; color: var(--muted); font-size: 16px; text-align: center; border-top: 1px solid var(--border); }
footer a { margin: 0 8px; }
footer p { margin: 8px 0 0; }