.page-back-button{color:#28624c;white-space:nowrap;cursor:pointer;background:#f1f7f3;border:1px solid #d5e4db;border-radius:10px;flex:none;justify-content:center;align-items:center;gap:7px;width:auto;min-width:44px;min-height:44px;padding:8px 12px;font-family:inherit;font-size:13px;font-weight:600;line-height:1.4;text-decoration:none;display:inline-flex}.page-back-button>span:first-child{font-size:19px;line-height:1}.page-back-button:hover{background:#e3efe7}.page-back-button:focus-visible{outline-offset:3px;outline:3px solid #dbab44}.page-back-button:disabled{opacity:.5;cursor:not-allowed}.storefront-back-row{width:min(1180px,100% - 32px);margin:14px auto 0}.order-lookup-card .modal-back-row,.payment-qr-card .modal-back-row{justify-content:flex-start;margin-bottom:6px;display:flex}.storefront-topbar.has-back{gap:12px}.storefront-topbar.has-back .brand{flex:1;justify-content:center;min-width:0}.storefront-topbar.has-back .brand-mark{display:none}.storefront-topbar.has-back .brand-copy{width:auto;min-width:0;max-width:100%;position:static;transform:none}.order-lookup-layer .order-lookup-card,.order-lookup-layer .payment-qr-card{max-height:calc(100dvh - 36px);overflow-y:auto}.payment-qr-card .modal-back-row .page-back-button{color:#28624c;background:#f1f7f3;width:auto;min-height:44px;margin:0}.back-image-preview{color:#224a37;background:#fff;border:0;border-radius:18px;width:min(680px,100% - 24px);max-width:none;max-height:calc(100dvh - 24px);margin:auto;padding:16px;overflow-y:auto}.back-image-preview::backdrop{background:#142820c9}.back-image-toolbar{align-items:center;gap:12px;margin-bottom:12px;display:flex}.back-image-toolbar strong{flex:1;font-size:14px}.back-image-close{color:#284d3c;background:#edf4ef;border:0;border-radius:50%;width:44px;height:44px;font-size:25px}.back-image-preview>img{object-fit:contain;-webkit-touch-callout:default;-webkit-user-select:auto;user-select:auto;width:100%;max-height:65dvh;display:block}.back-image-preview>p{text-align:center;color:#63766b;font-size:13px}.contact-service-list>.customer-service-qr>.customer-qr-preview-button,.wechat-qr-panel>.customer-qr-preview-button{border:1px solid var(--line);background:#fff;border-radius:15px;grid-area:auto/1;width:min(240px,82%);padding:7px;display:block}@media (max-width:600px){.storefront-back-row{margin-top:10px}}