div,p,span{
    position: relative;
}
.posa{width: 100%;height: 100%;position: absolute;left: 0;top: 0;}

.web_banner {display: block;}
.mobile_banner {display: none;}
.bannerBox{width: 100%;}
.store_img img{width: 100%;}
.btns{
    width: 783px;
    display: flex;
    justify-content: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 71px;
}
.btns .btn{width: 356px;cursor: pointer;}
.btns .btn img{width: 100%;height: 204px;}
.btns .btn p{text-align: center;font-weight: 400;font-size: 22px;color: #FFFFFF;padding-top: 24px;}


@media (max-width:992px){
    /* phone */
    .web_banner {display: none;}
    .mobile_banner {display: block;}

    .btns{
        width: 6.77rem;
        display: flex;
        justify-content: center;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: 0.67rem;
    }
    .btns .btn{width: 3.25rem;cursor: pointer;}
    .btns .btn img{width: 100%;height: 1.86rem;}
    .btns .btn p{text-align: center;font-weight: 400;font-size: 0.22rem;color: #FFFFFF;padding-top: 0.21rem;}
}