@media all and (max-width: 640px){
    .content {
        width: auto;
        padding: 0 7px;
        margin: 0 auto;
        position: relative;
    }
    .logo img {
        width: auto;
        height: 45px;
        margin: 6px 0 0 3px;
    }
    .logo {
        width: 85%;
        height: 55px;
        float: left;
    }
    .top{
        display: none;
    }
    .nav{
        position: absolute;
        left: 0;
        right: 0;
        top: 55px;
        background: #666666;
        z-index: 9999;
        width: auto;
        float: none;
        font-size: 12px;
        padding-bottom: 0px;
        height: auto;
        display: none;
    }
    .nav .menu > ul> li {
        height: 35px;
        width: 100%;
        float: none;
        position: relative;
        padding-bottom: 0px;
        text-align: center;
        background: url("../img/aq3.png") no-repeat center bottom;
        background-size: 100% 1px;
    }
    .nav .menu {
        width: auto;
        float: none;
        height: auto;
    }
    .nav .menu > ul > li > a {
        width: auto;
        height: 35px;
        display: block;
        color: #fff;
        text-align: center;
        font-size: 13px;
        line-height: 35px;
    }
    .myslide{
        padding: 0!important;
        border-radius: 0!important;
        height: 167px;
        margin-bottom: 10px;
    }
    .item img{
        height: 167px!important;
    }
    .carousel-indicators {
        position: absolute;
        bottom: -7px;
        left: 50%;
        z-index: 15;
        width: 60%;
        padding-left: 0;
        margin-left: -30%;
        text-align: center;
        list-style: none;
    }
    .line {
        height: 5px;
        background-image: url(../img/zhutu-1-bj.jpg);
        background-repeat: repeat-x;
        display: none;
    }
    .in_list .pro_list {
        width: auto;
        float: none;
    }
    .in_list .news_list {
        width: auto;
        margin-left: 0px;
        float: none;
    }
    .in_list .cont_list {
        float: none;
        width: auto;
        height: 191px;
        padding: 0 0 0 11px;
    }
    .in_list {
        height: auto;
        padding: 0 7px;
    }
    .title .pro_logo {
        float: left;
        padding-top: 2px;
        width: 200px;
    }
    .title .more {
        width: auto;
        float: right;
        height: 30px;
        padding-right: 10px;
        line-height: 30px;
        font-size: 11px;
        color: #fff;
    }
    .in_list>div{
        margin-bottom: 15px;
    }
    footer .contact .left {
        padding: 8px 0;
        line-height: 24px;
        font-size: 11px;
        color: #fff;
        width: auto;
        float: none;
        margin-left: 7px;
    }
    footer .contact {
        background-image: url(../img/Copyright-bj.jpg);
        background-size: 100% 100%;
        color: #fff;
        font-size: 11px;
        line-height: 28px;
        padding-left: 10px;
        height: auto;
    }
    footer .contact .copyright {
        color: #fff;
        line-height: 33px;
        font-size: 11px;
    }
    .in_list .news_box {
        width: auto;
        height: auto;
    }
    .in_list .news_box li a {
        font-size: 11px;
        color: #333;
        line-height: 25px;
        display: inline-block;
        width: auto;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .in_list .pro_box .pro_txt {
        font-size: 11px;
        line-height: 28px;
        float: none;
        color: #666;
        width: auto;
        padding: 12px 5px;
        height: 160px;
        overflow: hidden;
    }
    .in_list .pro_box .pro_img {
        width: 128px;
        float: left;
        height: 146px;
        display: none;
    }
    .in_list .pro_box {
        height: 146px;

        background-color: rgb(255,253,242);
        width: auto;
        margin: 12px auto 0;
        overflow: hidden;
    }
    .in_list .pro_box .pro_txt span {
        font-size: 12px;
        color: #d40000;
        line-height: 20px;
        margin-bottom: 5px;
        display: block;
    }
    .contentlist {
        float: none;
        width: auto;
        border-radius: 7px 7px 0 0;
        overflow: hidden;
    }
    .contentlist .proimg {
        width: auto;
        height: 35px;
        background: #254b96;
        color: #fff;
        padding: 0 10px;
        font-size: 15px;
        line-height: 35px;
        box-sizing: border-box;
        margin: 0 auto;
        text-align: center;
    }
    .contentlist .prolist li {
        overflow: hidden;
        height: auto;
        width: auto;
        margin: 0 auto;
        line-height: 32px;
        text-indent: 0em;
        text-align: center;
        font-size: 12px;
        position: relative;
        border-bottom: solid 1px #dedede;
    }
    .contentlist .prolist li a {
        font-size: 12px;
    }
    .sear{
        display: none;
    }
    .contentbox .content_box {
        width: auto;
        float: none;
        margin-top: 20px;
    }
    .contentbox .content_box .txt .txt_tit .company {
        float: left;
        font-size: 15px;
        line-height: 40px;
        color: #fff;
        height: 35px;
    }
    .contentbox .content_box .txt .txt_tit {
        background-color: #254b96;
        height: 35px;
        line-height: 35px;
        padding: 0 10px;
        border-radius: 7px 7px 0 0;
    }
    .contentbox .content_box .txt .txt_tit .nor {
        float: right;
        color: #fff;
        font-size: 15px;
        line-height: 30px;
    }
    .contentbox .content_box .txt .content_txt p {
        margin-bottom: 12px;
        text-indent: 2em;
        font-size: 12px;
        line-height: 30px;
    }
    .contentbox .content_box .txt .content_txt .img {
        text-align: center;
    }
    .contentbox .content_box .txt .content_txt .img img{
        display: block;
        max-width: 100%;
        margin: 0 auto;
    }
    .fen{
        width: 32px;
        float: right;
        height: 30px;
        margin: 10px 0 0 0;
    }
    .fen span{
        display: block;
        margin: 7px auto 0;
        width: 30px;
        height: 3px;
        background: #fff;
    }
    .contentbox .content_box .contact_img {
        float: right;
        display: none;
        margin-top: 170px;
    }
    .contentbox .content_box .order .order_txt {
        height: auto;
        line-height: 28px;
        text-indent: 2em;
        color: #ed0000;
        font-size: 12px;
    }
    .contentbox .content_box .order .order_in input {
        font-size: 12px;
        line-height: 20px;
        border: 1px solid #b9def9;
        width: 185px;
    }
    .contentbox .content_box .order .order_in {
        padding-left: 16px;
    }
    .contentbox .content_box .order .order_area textarea {
        line-height: 20px;
        font-size: 12px;
        border: 1px solid #b9def9;
        width: 75%;
        height: 61px;
    }
    .contentbox .content_box .order .order_area span:first-child {
        line-height: 65px;
        display: inline-block;
        float: left;
    }
    .contentbox .content_box .news_list li {
        width: 100%;
        height: 32px;
        line-height: 32px;
        overflow: hidden;
    }
    .contentbox .content_box .news_list li a {
        height: 30px;
        width: 75%;
        font-size: 12px;
        line-height: 30px;
        display: block;
        float: left;
        padding-left: 23px;
        background-image: url(../img/n_icon.gif);
        background-repeat: no-repeat;
        background-position: left center;
        background-size: 20px 20px;
        text-overflow: ellipsis;
        overflow: hidden;
        white-space: nowrap;
    }
    .contentbox .content_box .txt .content_txt {
        padding: 10px 0px 0;
    }
    .contentbox .content_box .txt .content_txt div {
        text-align: center;
        height: 25px;
        line-height: 25px;
        font-size: 12px;
    }
    .nav .menu li:hover > a {
        background-image: url(../img/menu_hover.jpg);
        background-size: 100% 100%;
        background-repeat: no-repeat;
        color: #044a85;
    }
    footer .contact .left span {
        display: block;
    }
    .in_list .cont_list .cont_box .cont_txt{
        margin-top: 7px;
    }

}