:root { color-scheme: light; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #243238; background: #f5f8f8; }
body { margin: 0; }
main { box-sizing: border-box; width: min(760px, 100%); margin: 0 auto; padding: 48px 24px 72px; }
article { background: #fff; border-radius: 20px; padding: 32px; box-shadow: 0 8px 30px rgba(30, 80, 80, .08); }
h1 { margin-top: 0; color: #129eaa; }
h2 { margin-top: 30px; font-size: 1.2rem; }
p, li { line-height: 1.75; }
.meta { color: #68777c; }
a { color: #087f8c; }
footer { padding: 22px 12px 0; text-align: center; color: #68777c; font-size: .9rem; }
footer a { color: inherit; text-decoration: none; }
footer a:hover { text-decoration: underline; }
.lead { font-size: 1.08rem; color: #405158; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.actions a { display: inline-block; padding: 10px 16px; border-radius: 999px; background: #e7f7f8; text-decoration: none; }
@media (max-width: 560px) { main { padding: 20px 12px 40px; } article { padding: 24px 20px; border-radius: 14px; } }