:root { color-scheme: light dark; --bg: #f6f4fb; --card: #ffffff; --text: #1b1430; --muted: #5b5470; --brand: #5f2fb8; --line: #e6e1f2; }
@media (prefers-color-scheme: dark) { :root { --bg: #140d24; --card: #1d1535; --text: #f2eefc; --muted: #b6aecd; --brand: #a877ff; --line: #2e2450; } }
* { box-sizing: border-box; }
body { margin: 0; padding: 24px 16px 48px; background: var(--bg); color: var(--text); font-family: "Segoe UI", Tahoma, system-ui, sans-serif; line-height: 1.85; }
main { max-width: 760px; margin: 0 auto; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 28px 24px; }
h1 { font-size: 1.6rem; margin: 0 0 4px; color: var(--brand); }
h2 { font-size: 1.15rem; margin: 28px 0 8px; }
.muted { color: var(--muted); font-size: .92rem; }
ul { padding-inline-start: 22px; }
ol li, ul li { margin-bottom: 6px; }
a { color: var(--brand); }
.box { background: rgba(95, 47, 184, .08); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; margin: 18px 0; }
.box p { margin: 6px 0; }
footer { max-width: 760px; margin: 18px auto 0; text-align: center; }