微信小程序实现签到弹窗动画

<button bindtap="popup">签到</button>
<view class="load" style="{{sign?'':'top:calc((100vh - 750rpx)/2);opacity: 0;z-index:-1;'}}">
 <image class="loadingpic" src="/images/light.png"></image>
 <image class="load-imagae" src="/images/register.png"></image>
 <view class="load-centent">
 <view>签到成功</view>
 <view>获得0积分</view>
 <view bindtap="popup">好的</view>
 </view>
</view>

page{
 background-color: #ccc;
}
view{
 box-sizing: border-box;
}
button{
 margin-top: 50rpx;
}
.load{
 width: 80%;
 height: 600rpx;
 position: fixed;
 top:calc((100vh - 800rpx)/2);
 left: 10%;
 transition: all 0.3s ease-in-out 0s;
 -webkit-transition: all 0.3s ease-in-out 0s;
 opacity: 1;
 z-index: 10;
}
.loadingpic {
 width: 100%;
 height: 93%;
 position: absolute;
 animation: load 3s linear 1s infinite;
 z-index: 10;
 margin-top: 7%;
}
@keyframes load{
 0%{
 webkit-transform: rotate(0deg);
 transform: rotate(0deg);
 }
 100%{
 webkit-transform: rotate(360deg);
 transform: rotate(360deg);
 }
}
.load-imagae{
 width:400rpx;
 height:400rpx;
 margin: 100rpx calc((100% - 400rpx)/2);
 position: absolute;
 z-index: 11;
}
.load-centent{
 width:400rpx;
 height:400rpx;
 margin: 100rpx calc((100% - 400rpx)/2);
 position: relative;
 z-index: 12;
 text-align: center;
 padding: 25% 10% 5% 10%;
}
.load-centent>view:nth-child(1){
 font-size: 34rpx;
 color: #fff;
}
.load-centent>view:nth-child(2){
 color: #fff;
 opacity: 0.7;
 margin: 20rpx 0;
 font-size: 24rpx;
}
.load-centent>view:nth-child(3){
 width: 85%;
 margin: 30rpx 7.5% 0 7.5%;
 height: 70rpx;
 line-height: 70rpx;
 border-radius: 40rpx;
 background-color: #F8D168;
 color: #EB4331;
 font-size: 30rpx;
}

Page({
 data: {
 sign:false,
 },
 popup:function(e){
 this.setData({
  sign:!this.data.sign
 })
 }, 
})