.container{
    width: 100vw;
    height: 100vh;
    background-position: center top;
}

.titleImg{
    border: 1px solid red;
    display: block;
    margin:  100rpx auto;
    width: 649rpx;
    height: 256rpx;
}

.bottomView{
    border: 1px solid red;
    position: absolute;
    left: 50%;
    bottom: 120rpx;
    margin-left: -310rpx;
    width: 620rpx;
    height: 150rpx;
}

.loginBtnImg{
    background:  gray;
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 1;
    left: 0;
    top: 0;
}

.loginBtn{
    background:blue;
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 2;
    left: 0;
    top: 0;
    opacity: 0;
}