body { margin: 0; background: #f6f8fb; color: #182436; font: 16px/1.7 system-ui, sans-serif; }
main { max-width: 760px; margin: 40px auto; padding: 32px; background: white; border-radius: 16px; }
h1 { font-size: 32px; line-height: 1.2; } h2 { font-size: 21px; margin-top: 28px; }
a { color: #2454c6; } nav { display: flex; flex-wrap: wrap; gap: 20px; } .date { color: #56647a; }
@media (max-width: 600px) { main { margin: 0; padding: 24px; border-radius: 0; } }