Fix(云灵AI):[#5193]“我要送礼”推荐结果，点击下单/送礼按钮，规格弹窗弹出时，左上角的返回按钮仍然可以点击

(cherry picked from commit 53312c889e)

assets/css/reset.less

@@ -36,7 +36,7 @@ input{line-height: normal; box-sizing:border-box;}
 }
 .line1{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;width: 100%;}
 .line2{word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
-.mask{position:fixed;top:0;left:0;right:0;bottom:0;z-index:55;background-color:rgba(0,0,0,0.5);}
+.mask{position:fixed;top:0;left:0;right:0;bottom:0;z-index:1000;background-color:rgba(0,0,0,0.5);}
 
 
 

assets/css/style.less

@@ -570,7 +570,7 @@ page {
   width: 100%;
   left: 0;
   background-color: #fff;
-  z-index: 88;
+  z-index: 1001;
   border-radius: 0.16*100rpx 0.16*100rpx 0 0;
   padding-bottom: 1.4*100rpx;
   transform: translate3d(0, 100%, 0);