body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f8f8f8}.mobile{max-width:480px;margin:0 auto;background:#fff;min-height:100vh;overflow-x:hidden}.btn{min-height:48px;padding:0 16px;border-radius:8px;border:none;font-weight:600;cursor:pointer}.btn-primary{background:#111;color:#fff}.btn-secondary{background:#f8f8f8;border:1px solid #E5E5E5}.gold{height:3px;background:#d4af37}