:root { --ink: #202138; --muted: #72738a; --purple: #6550d9; --bg: #f7f7fc; --line: #e9e8f1; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 760px; margin: 0 auto; padding: 48px 16px 64px; }
header { display: flex; align-items: center; gap: 14px; margin-bottom: 32px; }
header img { width: 56px; height: 56px; border-radius: 14px; }
header a { color: var(--ink); text-decoration: none; font-weight: 700; font-size: 24px; }
h1 { font-size: 32px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 20px; margin: 32px 0 8px; }
p, li { color: var(--ink); }
.muted { color: var(--muted); }
a { color: var(--purple); }
.card { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 20px 24px; margin: 24px 0; }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer a { margin-right: 16px; }