reader/components/createPoster/index.wxml

<view class="mediaBox" wx:if="{{state}}">
    <view class="btns">
        <view class="btn">立即分享</view>
        <view class="btn" style="background: linear-gradient(180deg, #FFB382 0%, #FFA45D 100%);">保存海报</view>
    </view>
</view>