style：模具组-详情-二维码样式调整

src/views/erp/mold/detail/brand.vue

@@ -707,6 +707,12 @@ onMounted(() => {
   background: #fff;
 }
 
+.mold-brand-detail__qr-card {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+}
+
 .mold-brand-detail__image {
   width: 100%;
   height: 280px;