1.wx：补充售罄的CSS

litemall-wx/pages/goods/goods.wxml

@@ -198,5 +198,5 @@
   </view>
   <view class="r" bindtap="addToCart" wx:if="{{!soldout}}" wx:if="{{!isGroupon}}">加入购物车</view>
   <view class="c" bindtap="addFast" wx:if="{{!soldout}}">{{isGroupon?'参加团购':'立即购买'}}</view>
-  <view class="c" wx:if="{{soldout}}">商品已售空</view>
+  <view class="n" wx:if="{{soldout}}">商品已售空</view>
 </view>

litemall-wx/pages/goods/goods.wxss

@@ -652,6 +652,16 @@
   text-align: center;
   color: #fff;
 }
+
+.bottom-btn .n {
+  float: left;
+  background: #d5d8d8e7;
+  height: 100rpx;
+  line-height: 96rpx;
+  flex: 1;
+  text-align: center;
+  color: rgb(37, 36, 36);
+}
 @import "../../lib/wxParse/wxParse.wxss";
 
 .attr-pop-box {