:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:#1a1a1a;background:#fff}body{margin:0}main{max-width:720px;margin:0 auto;padding:48px 16px}button{font:inherit;padding:8px 16px;border-radius:6px;border:1px solid #c8c8c8;background:#f5f5f5;cursor:pointer}.pie{max-width:720px;margin:0 auto;padding:0 16px 32px;color:#6b6b6b;font-size:13px}.aviso-entorno{background:#b45309;color:#fff;text-align:center;font-weight:600;padding:6px 16px}