用户端跨城订单界面优化

apps/mini-user/src/styles/order.css

@@ -93,6 +93,11 @@
   color: var(--color-on-surface);
 }
 
+.order-qty-btn--disabled {
+  opacity: 0.4;
+  pointer-events: none;
+}
+
 .order-qty-value {
   margin: 0 14px;
   font-size: 16px;
@@ -101,6 +106,14 @@
   text-align: center;
 }
 
+.order-qty-hint {
+  display: block;
+  margin-top: 10px;
+  font-size: 13px;
+  color: var(--color-heritage-red);
+  line-height: 1.4;
+}
+
 .order-row {
   display: flex;
   justify-content: space-between;
@@ -180,6 +193,13 @@
   justify-content: center;
 }
 
+.order-confirm-submit--disabled {
+  background: #c9c5c0;
+  color: #fff;
+  opacity: 0.85;
+  pointer-events: none;
+}
+
 .order-tabs {
   display: flex;
   padding: 0 var(--space-page);