:root { --bg: #0A0C22; --card: #141838; --fg: #F2F4FF; --muted: #9DA3C7; --mint: #C8F7E7; --line: #262B55; color-scheme: dark; }
@media (prefers-color-scheme: light) { :root { --bg: #F3F4FB; --card: #FFFFFF; --fg: #10133A; --muted: #5A5F8A; --mint: #2F39AA; --line: #DDE0F2; color-scheme: light; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; }
header { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
header img { width: 44px; height: 44px; }
h1 { font-size: 28px; line-height: 1.2; margin: 18px 0 4px; }
h2 { font-size: 19px; margin: 30px 0 8px; }
p, li { color: var(--fg); } .muted { color: var(--muted); font-size: 14px; }
section { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 4px 20px 14px; margin-top: 18px; }
a { color: var(--mint); }
ul { padding-left: 20px; }
.steps li { margin-bottom: 6px; }