:root{--spa-font-ui:"Segoe UI","Segoe WP",Tahoma,Arial,sans-serif;--spa-font:var(--spa-font-ui);--spa-commercial-ink:#0f172a;--spa-commercial-muted:#475569;--spa-commercial-action:#051c2c;--spa-commercial-link:#0f6cbd;--spa-commercial-title-size:clamp(1.7rem,2.6vw,2.5rem)}