@media only screen and (max-width: 1220px){
    /*au关于我们文字标识开始*/
    .au_text{
        /*width: 63%;*/
        width: 980px;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    .ab_nav{
        width: 980px;
    }
    .ab_content{width: 980px;}
    .ab_img_nav>ul>li{
        width: 25%;
    }
    /*au关于我们文字标识结束*/
    /*au页面图片标识开始*/
    .au_image{
        /*width: 63%;*/
        width: 940px;
        height: auto;
        display: block;
        margin: 0 auto;
        padding-top: 20px;
        padding-bottom: 10px;
    }
    /*au页面图片标识结束*/
    /*au图片内容标签开始*/
    .au_image_content{
        /*width: 63%;*/
        width: 980px;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    .au_image_content_text{
        float: right;
        /*width: 48.3%;*/
        width: 470px;
        height: auto;
        padding: 10px 10px;
    }
    /*au图片内容标签结束*/
    /*au广告内容标签开始--*/
    .au_row{
        /*width: 63%;*/
        width: 980px;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    .au_row_center>div:nth-child(2)>img{
        width: 100%;
        height: 100%;
        margin-top: 48px;
    }
    /*au广告内容标签结束--*/
    /*au轮播图标签开始*/
   body .au_banner{
        /*width: 63%;*/
        width: 980px;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    /*au轮播图标签结束*/

}
@media only screen and (max-width: 990px){
    /*au关于我们文字标识开始*/
    .au_text{
        /*width: 76%;*/
        width: 750px;
        height: auto;
        display: block;
        margin: 0 auto;
    }

    .ab_nav{
        width: 750px;
    }
    .ab_content{width: 750px;}
    /*au关于我们文字标识结束*/
    /*au页面图片标识开始*/
    .au_image{
        /*width: 63%;*/
        width: 710px;
        height: auto;
        display: block;
        margin: 0 auto;
        padding-top: 20px;
        padding-bottom: 10px;
    }
    .au_image>div:nth-child(1){

        width: 100%;
        height: auto;
        float: none;
    }
    .au_image>div:nth-child(1)>img{
        width: 482px;
        height: auto;
        padding-bottom: 10px;

    }
    .au_image>div:nth-child(2){

        width: 100%;
        height: auto;
        float: none;
    }
    .au_image>div:nth-child(2)>img{
        width: 682px;
        height: auto;
    }
    /*au页面图片标识结束*/
    /*au图片内容标签开始*/
    .au_image_content{
        /*width: 63%;*/
        width: 750px;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    .au_image_content_text{
        float: none;
        /*width: 48.3%;*/
        width: 750px;
        height: auto;
        padding: 10px 10px;
    }
    /*au图片内容标签结束*/
    /*au广告内容标签开始--*/
    .au_row{
        /*width: 63%;*/
        width: 750px;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    .au_row_center>div:nth-child(1){
        float: none;
        width: 100%;
        height: auto;

    }
    .au_row_center>div:nth-child(2){
        float: none;
        width: 100%;
        height: auto;
        padding: 10px 0;
    }
    .au_row_center>div:nth-child(2)>img{
        width: 580px;
        height: auto;
        display: block;
        margin: 0 auto;
        margin-top: 0px;
    }

    /*au广告内容标签结束--*/
    /*au轮播图标签开始*/
    body .au_banner{
        /*width: 63%;*/
        width: 750px;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    /*au轮播图标签结束*/
}
@media only screen and (max-width: 800px){
    /*au关于我们文字标识开始*/
    .au_text{
        width: 100%;
        /*width: 750px;*/
        height: auto;
        display: block;
        margin: 0 auto;
    }

    .ab_nav{
        width: 100%;
    }
    .ab_content{width: 95%;}
    .ab_content img{max-width: 100%; height: auto !important;}
    .ab_img_nav>ul>li{
        width: 33.33%;
    }
    /*au关于我们文字标识结束*/
    /*au图片内容标签开始*/
    .au_image_content{
        /*width: 63%;*/
        width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    .au_image_content_text{
        float: none;
        /*width: 48.3%;*/
        width: 95%;
        height: auto;
        display: block;
        margin: 0 auto;
        padding: 10px 10px;
    }
    /*au图片内容标签结束*/
    /*au广告内容标签开始--*/
    .au_row{
        /*width: 63%;*/
        width: 94%;
        height: auto;
        display: block;
        margin: 0 auto;

    }
    .au_row_center>div:nth-child(1){
        float: none;
        width: 100%;
        height: auto;

    }
    .au_row_center>div:nth-child(2){
        float: none;
        width: 100%;
        height: auto;
        padding: 10px 0;
    }

    /*au广告内容标签结束--*/

}
@media only screen and (max-width: 770px){
    /*au轮播图标签开始*/
    body .au_banner{
        /*width: 63%;*/
        width: 95%;
        height: auto;
        display: block;
        margin: 0 auto;
    }
    /*au轮播图标签结束*/
}
@media only screen and (max-width: 750px){
    /*au页面图片标识开始*/
    .au_image{
        width: 100%;
        /*width: 730px;*/
        height: auto;
        display: block;
        margin: 0 auto;
        padding-top: 20px;
        padding-bottom: 10px;

    }
    .au_image>div:nth-child(1){

        width: 93%;
        height: auto;
        float: none;
        display: block;
        margin: 0 auto;

    }
    .au_image>div:nth-child(1)>img{
        width: 482px;
        height: auto;
        padding-bottom: 10px;
        /*padding-left: 20px;*/

    }
    .au_image>div:nth-child(2){

        width: 93%;
        height: auto;
        float: none;
        display: block;
        margin: 0 auto;
    }
    .au_image>div:nth-child(2)>img{
        width: 100%;
        height: auto;
        /*padding-right: 10px;*/
        /*padding-left: 20px;*/
    }
    /*au页面图片标识结束*/
}
@media only screen and (max-width: 620px){
    .au_row_center>div:nth-child(2)>img{
        width: 95%;
        height: auto;
        display: block;
        margin: 0 auto;
        margin-top: 0px;
    }
}
@media only screen and (max-width: 520px){
    /*au页面图片标识开始*/
    .au_image{
        width: 100%;
        /*width: 730px;*/
        height: auto;
        display: block;
        margin: 0 auto;
        padding-top: 20px;
        padding-bottom: 10px;

    }
    .au_image>div:nth-child(1){

        width: 93%;
        height: auto;
        float: none;
        display: block;
        margin: 0 auto;

    }
    .au_image>div:nth-child(1)>img{
        width: 100%;
        height: auto;
        padding-bottom: 10px;
        /*padding-left: 20px;*/

    }
    .au_image>div:nth-child(2){

        width: 95%;
        height: auto;
        float: none;
        display: block;
        margin: 0 auto;
    }
    .au_image>div:nth-child(2)>img{
        width: 100%;
        height: auto;
        /*padding-right: 10px;*/
        /*padding-left: 20px;*/
    }
    /*au页面图片标识结束*/
}