@media all and (max-width: 640px) {
  .nav .top {
    display: none;
  }

  .content {
    width: auto;
    padding: 0 7px;
    margin: 0 auto;
    position: relative;
  }

  .lang {
    float: right;
    color: #fff;
    margin-top: 12px;
    margin-right: 20px;
    position: absolute;
    right: 15%;
  }

  .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;
  }
}