diff --git a/yshop-drink-uniapp-vue3/pages/menu/menu.vue b/yshop-drink-uniapp-vue3/pages/menu/menu.vue
index 5a36e8d..f84c0dc 100644
--- a/yshop-drink-uniapp-vue3/pages/menu/menu.vue
+++ b/yshop-drink-uniapp-vue3/pages/menu/menu.vue
@@ -1009,21 +1009,26 @@ $menu-divider-height: 2rpx;
 	-webkit-line-clamp: 3;
 }
 
-@mixin quantity-control($size) {
+// $fix-btn: 是否把按钮锁成固定尺寸的小圆钮。
+// 纯数量加减（详情弹窗、购物车弹窗）用 true；
+// 商品列表这类混有“选规格”等宽按钮的地方用 false，靠 .quantity-btn 自己锁尺寸。
+@mixin quantity-control($size, $fix-btn: true) {
 	.btn,
 	.number {
 		line-height: $size;
 		text-align: center;
 	}
 
-	.btn {
-		box-sizing: border-box;
-		flex: 0 0 $size;
-		width: $size;
-		min-width: $size;
-		height: $size;
-		padding: 0;
-		border-radius: $border-radius-circle;
+	@if $fix-btn {
+		.btn {
+			box-sizing: border-box;
+			flex: 0 0 $size;
+			width: $size;
+			min-width: $size;
+			height: $size;
+			padding: 0;
+			border-radius: $border-radius-circle;
+		}
 	}
 
 	.number {
@@ -1381,7 +1386,7 @@ page {
 											border-radius: $border-radius-circle;
 										}
 
-														@include quantity-control(var(--menu-control-size-sm));
+														@include quantity-control(var(--menu-control-size-sm), false);
 
 														.number {
 															min-width: 38rpx;