body { margin: 0; font-family: -apple-system, "Segoe UI", Arial, sans-serif; background: #fbfbfd; color: #14202e; line-height: 1.6; }
main { max-width: 720px; margin: 12vh auto; padding: 0 24px; }
h1 { font-size: 1.8rem; line-height: 1.2; }
h2 { font-size: 1.1rem; margin-top: 2.5rem; color: #d99a2b; }