wxmini/pages/login/login.wxss

.login{
  width: 100vw;
  height: 100vh;
  background: #6547A3;
}
.mair {
  display: flex;
  align-items: center;
  flex-direction: column;
  overflow: hidden;
}
.mair>image{
  width: 400rpx;
  margin-top: 260rpx;
}
.mair .loginbut{
  margin-top: 100rpx;
  position: relative;
}
.mair .loginbut button{
  width: 520rpx;
  height: 80rpx;
  background: #FFFFFF;
  border-radius: 45rpx;
  font-size: 36rpx;
  color: #6547A3;
}
.mair .loginbut .mode {
  width: 520rpx;
  height: 80rpx;
  background: #FFFFFF;
  opacity: 0.4;
  position: absolute;
  top: 0;
  left: calc((100% - 520rpx) / 2);
  z-index: 1;
  border-radius: 45rpx;
}
.mair .ys{
  margin-top: 40rpx;
  display: flex;
  justify-content: center;
}
.mair .ys>image{
  width: 28rpx;
  height: 28rpx;
  margin-right: 10rpx;
}
.mair .ys view{
  font-size: 24rpx;
  color: #fff;
  width: 65vw;
  line-height: 34rpx;
}