.store-preview-notice{display:flex;align-items:center;justify-content:center;gap:.5rem;min-height:30px;padding:5px max(20px,4vw);background:#10183d;color:#fff;font-size:.78rem;line-height:1.2;letter-spacing:.01em;text-align:center}
.store-preview-notice b{font-size:.72rem;letter-spacing:.1em;text-transform:uppercase}
.store-preview-notice span{color:#dce1f2}
.preview-checkout{max-width:720px;margin:clamp(40px,8vw,100px) auto;padding:clamp(30px,5vw,64px);background:#fff;border:1.5px solid #17265a;border-radius:20px;box-shadow:0 5px 14px rgba(13,25,65,.14);text-align:left}
.preview-checkout h1{margin:.16em 0;font-size:clamp(2.5rem,6vw,5rem);line-height:.95;letter-spacing:-.055em}
.preview-checkout p{max-width:34rem;margin:1rem 0 1.6rem;color:#56607f;font-size:1.05rem}
@media(max-width:600px){.store-preview-notice{flex-wrap:wrap;gap:.2rem .45rem}.preview-checkout{margin:28px auto;padding:28px 22px;border-radius:14px}.preview-checkout .button{width:100%;text-align:center}}