<t-popup visible="{{visible}}" bind:visible-change="onVisibleChange" placement="{{placement || 'bottom'}}">
  <view class="p-header">
    <view class="title">{{title}}</view>
    <t-icon name="close" size="60rpx" bind:tap="onClose" />
  </view>
  <view style="max-height: 70vh;overflow: auto;">
    <slot/>
  </view>
</t-popup>

