SM9加密算法：安全、高效的国产密码技术

• wxml

<view class="container">
  <view class="head">
    
  </view>
</view>

• wxss

.container {
  width: 100vw;
  height: 100vh;
}

.head {
  position: relative;
  height: 400rpx;
  background-color: rgb(118, 218, 255);
  overflow: hidden;
}

.head::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 1000rpx;
  height: 1000rpx;
  background-color: #fff;
  animation-name: rotate;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
  bottom: 40rpx;
  opacity: .5;
  border-radius: 47%;
  animation-duration: 10s;
}

.head::before {
  content: "";
  position: absolute;
  left: 50%;
  width: 1000rpx;
  height: 1000rpx;
  background-color: #fff;
  animation-name: rotate;
  animation-iteration-count: infinite;
  animation-timing-function: linear;
  bottom: 100rpx;
  border-radius: 45%;
  animation-duration: 10s;
}

@keyframes rotate {
  0% {
    transform: translate(-50%, 0) rotateZ(0deg);
  }

  50% {
    transform: translate(-50%, -2%) rotateZ(180deg);
  }

  100% {
    transform: translate(-50%, 0%) rotateZ(360deg);
  }
}

效果