.content{
    height: 100vh;
    background-color: #fff;
}
.empty_img{
    width: 661px;
    height: 300px;
    margin-top: 140px;
}
.empty_text{
    height: 25px;
    font-size: 18px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #999999;
    margin-top: 54px;
    margin-bottom: 30px;
}
.back_btn{
    width: 104px;
    height: 40px;
    line-height: 40px;
    border-radius: 4px;
    border: 1px solid #EEEEEE;
    font-size: 14px;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #666666;
    text-align: center;
}
.feichuan{
    width: 335px;
    height: 250px;
    position: absolute;
    right: 100px;
    top: 95px;
}
.bushu_aninmate {
    animation: kf-s2t 1.2s linear .8s infinite alternate;
}

@keyframes kf-s2t {
    0% {
        transform: translateY(40px);
    }

    100% {
        transform: translateY(0);
    }
}