YouTuan_wxapp/pages/verify/verify.wxss

/* pages/verify/verify.wxss */
.border_writh {
  width: 100%;
  display: flex;
  height: 100vh;
  flex-direction: column;
  align-items: center;
}

.buthexiao {
  width: 622rpx;
  height: 74rpx;
  background-color: rgba(0, 0, 0, 0);
  bottom: 52rpx;
  position: fixed;
  border: 1px solid #FF874E;
  border-radius: 37rpx;
  color: #FF874E;
  line-height: 74rpx;
}

.sao {
  position: fixed;
  width: 100%;
  margin-top: 160rpx;
  height: 1100rpx;
  display: flex;
  justify-content: center;
}

.saoline {
  width: 94%;
  height: 6rpx;
  position: relative;
  animation: animate 5s ease infinite;
  background-image: linear-gradient(to right, #ffffff00 , #ffffff,#ffffff00);
}

@keyframes animate {
  from {
    top: 0rpx;
  }
  to {
    top: 1100rpx;
  }
}