:root { --bg: #f5f7f8; --card: #fff; --ink: #14202b; --muted: #5b6875; --accent: #11807f; --line: #e2e7ea; }
@media (prefers-color-scheme: dark) { :root { --bg: #0f1418; --card: #182027; --ink: #e8edf0; --muted: #9aa7b2; --accent: #4cc3c0; --line: #26313a; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
header { display: flex; gap: 16px; align-items: center; margin-bottom: 24px; }
header img { width: 72px; height: 72px; border-radius: 16px; }
h1 { font-size: 30px; line-height: 1.2; margin: 0; }
h2 { font-size: 20px; margin: 28px 0 8px; }
.lead { color: var(--muted); margin: 4px 0 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 4px 22px 18px; margin-top: 18px; }
ul { padding-left: 20px; }
li { margin: 6px 0; }
a { color: var(--accent); }
.button { display: inline-block; background: var(--ink); color: var(--bg); text-decoration: none; padding: 11px 18px; border-radius: 12px; font-weight: 600; margin-top: 8px; }
footer { color: var(--muted); font-size: 14px; margin-top: 32px; }
.cta { margin: 0 0 20px; }
.button { display: inline-block; background: var(--accent); color: #fff; font-weight: 600; text-decoration: none; padding: 12px 22px; border-radius: 12px; }