body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; margin: 0; padding: 2rem 1rem; background: #fafafa; color: #333; }
.container { max-width: 800px; margin: 0 auto; }
h1 { font-size: 2.5rem; font-weight: 800; color: #0066cc; }