.page{
  height: 100%;
}
.back-img{
  position: absolute; 
  top: 0px;
  width: 100%;
  height: 440rpx;
}
.content-wrap{
  margin-top:580rpx;
  width: 100%;
}

.btn{
  position: relative; 
  height: 86rpx;
  width: 90%;
  line-height: 86rpx;
  font-size: 28rpx;
  border-radius: 43rpx;
  color: #fff;
  text-align: center;
  background-color: #659CF7;
  background-image: linear-gradient(-90deg, #357AEB 0%, #659CF7 100%);
  /* background:gradient(linear, 0 0, 0 bottom, from(#659CF7), to(#357AEB) */
}

.loginByPhone{
  position: relative;     
  text-align: center;
  color: #4E8FE7;
  font-size: 28rpx;
  margin: 40rpx;
}