esswisdom_wx/app.wxss

.container {
  position: absolute;
  top: 0;
  /* bottom: 0; */
  left: 0;
  right: 0;

  display: flex;
  flex-direction: column;
  align-items: center;
  /* justify-content: space-between; */
  box-sizing: border-box;
} 
page {
  /* font-family:"PingFangSC-Thin"; */
   font-size:28rpx;          /*微信小程序中，使用rpx做单位*/
}