page {
  font-family: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Helvetica,
    Segoe UI, Arial, Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft Yahei',
    sans-serif;
}
page,view,image,input {
  display: block;
  box-sizing: border-box;
}
.badge {
  position: absolute;
  top: 0;
  right: 0;
  box-sizing: border-box;
  width: 38rpx;
  height: 38rpx;
  line-height: 38rpx;
  color: #fff;
  font-size: 20rpx;
  text-align: center;
  background-color: #e64340;
  border: 1rpx solid #fff;
  border-radius: 50%;
}