html{scroll-behavior:smooth}.checkout-page__alert{border-radius:8px;margin-bottom:24px;padding:14px 18px;font-size:15px;line-height:1.5}.checkout-page__alert strong{margin-bottom:4px;display:block}.checkout-page__alert--error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.checkout-page__alert--success{color:#166534;background:#f0fdf4;border:1px solid #bbf7d0}