:root { font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif; }
body { margin: 0; line-height: 1.5; }
.container { max-width: 980px; margin: 0 auto; padding: 20px; }
.nav { display: flex; align-items: center; justify-content: space-between; }
.brand { font-weight: 700; text-decoration: none; color: #111; }
.links a { margin-left: 16px; text-decoration: none; color: #111; }
.lead { font-size: 1.1rem; color: #333; }
.card { margin-top: 18px; padding: 16px; border: 1px solid #eee; border-radius: 12px; }
.footer { margin-top: 40px; color: #666; font-size: 0.95rem; }