<!--点击券说明-->
<view class="abs flex-vertical-between bottmo-explain" catchtap='clik_coupons2' data-idx="{{byq_index}}">
     <view></view><view class="font-word flex">优惠券使用说明<view class="circle circle-size flex t-c"> <view class="xc-jiantou">く</view> </view></view>
</view>