券码兑换输入框调整

pages/welfareMall/exchangeCode/exchangeCode.wxml

@@ -1,5 +1,5 @@
 <!--pages/welfareMall/exchangeCode/exchangeCode.wxml-->
-<view class="exchangeCode-query">请输入兑换码</view>
+<input class="exchangeCode-query" placeholder="请输入兑换码" placeholder-class="exchangeCode-query-placeholder"></input>
 <view class="exchangeCode-confirm"  style="background: {{config.mainColor?config.mainColor:'#B01717'}};">确认</view>
 <view class="exchangeCode-process" style="border: {{config.mainColor?config.mainColor:'#B01717'}} 2rpx solid;">
   <view class="exchangeCode-process-style">

pages/welfareMall/exchangeCode/exchangeCode.wxss

@@ -33,10 +33,16 @@ page{
   font-size: 28rpx;
   font-family: Microsoft YaHei, Microsoft YaHei-Regular;
   font-weight: 400;
-  color: #b8b8b8;
   margin-top: 104rpx;
 }
 
+.exchangeCode-query-placeholder{
+  font-size: 28rpx;
+  font-family: Microsoft YaHei, Microsoft YaHei-Regular;
+  font-weight: 400;
+  color: #b8b8b8;
+}
+
 .exchangeCode-confirm{
   width: 684rpx;
   height: 80rpx;