@media all and (-webkit-min-device-pixel-ratio: 1.5),
all and (-o-min-device-pixel-ratio: 3 / 2),
all and (min--moz-device-pixel-ratio: 1.5),
all and (min-device-pixel-ratio: 1.5) {
    /*.develop .container {*/
        /*background-image: url("../images/zhengshu@2x.jpg") ;*/
    /*}*/
    .about_banner {
        background: url("../images/aboutus_banner@2x.jpg") no-repeat center center;
        background-size: auto 100%;
    }
    .hxyw .hxywlist .container1{
        background: url("../images/hxyw_bg@2x.jpg") no-repeat center center;
    }
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    /*.develop .container {*/
        /*background-image: url("../images/zhengshu@2x.jpg") ;*/
    /*}*/
    .about_banner {
        background: url("../images/aboutus_banner@2x.jpg") no-repeat center center;
        background-size: auto 100%;
    }
    .hxyw .hxywlist .container1{
        background: url("../images/hxyw_bg@2x.jpg") no-repeat center center;
    }
}

@media (-webkit-min-device-pixel-ratio: 3), (min-resolution: 288dpi) {
    /*.develop .container {*/
        /*background-image: url("../images/zhengshu@2x.jpg") ;*/
    /*}*/
    .about_banner {
        background: url("../images/aboutus_banner@2x.jpg") no-repeat center center;
        background-size: auto 100%;
    }
    .hxyw .hxywlist .container1 {
        background: url("../images/hxyw_bg@2x.jpg") no-repeat center center;
    }
}