/* .logo{
    width: 13.4583rem;
    height: 2.6667rem;
}
.logo img{
    width: 100%;
    height: 100%;
} */
.jj_box_header{
    padding: 1.4167rem 2.0833rem ;
}
.jj_box{
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background: url(../images/bgc1.png) no-repeat 0 0/100% 100%; 
}
.jj_cen{
    display: flex;
    align-items: center;
    top: 45%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.jj_cen a{
    width: 26.5rem;
    height: 13.9583rem;

}
.jj_cen a img{
    width: 100%;
    height: 100%;
}
.jj_i_z{
    width: 3.4583rem;
    height: 100%;
}
.bgc3{
    width: 39.75rem;
    height: 29.5rem;
    left: 0;
    bottom: 0;

}
.bgc2{
    width: 40.25rem;
    height: 35.0417rem;
    right: 0;
    bottom: 0;

}
.bgc2 img,.bgc3 img{
    width: 100%;
    height: 100%;
}
@media screen and (max-width:786px) {
    .jj_box_header {
        padding: 1.4167rem 5%;
    }
        .logo{
        width: 80%;
    }
    .logo img{
        width: 100%;
    }
    .jj_cen {
        width: 85%;
        justify-content: space-between;
    }
    .jj_cen a {
        width: 50%;
        height: auto;
    }
}