@media screen and (max-width: 640px) {
    body {
        min-width: 375px;
        max-width: 640px;
        width: 100%;
    }

    .comheadbox {
        width: 100%;    position: relative;
    }
    .comnav {
        position: absolute;
        z-index: 9999;
        right: 0px;
        width:150px;
        top: 100px;
    }
    .comnav ul{
        display: none;
    }

    .mi-nav {
        display: none !important;
    }
    .comnav ul li {
        display: block;
        width: 100%;
        background: #439dff;
        border-radius: 4px;
        overflow: hidden;
        margin-bottom: 1px;
    }
    .comnav ul li>a {
        color: #fff;
        text-align: left;
        padding: 0 10px;
    }
    .navright {
        display: none;
    }

    .about {
        width: 100%;
    box-sizing: border-box;
    padding: 14px;
    word-wrap: break-word
    }

    .video video {
        width: 100%;
        height: 240px;
    }

    .aboutl {
        width: 100%;    height: auto;
    }
    .propic {
        width: 100%;
        height: 100px;
    }
    .newpro {
        width: 100%;
        box-sizing: border-box;
        padding: 15px;
    }
    .swiper-slide {
        width: 100% !important; 
        background-size: 100% 100% !important;
    }
    .aboutr {
        width: 100%;
    }
    .swiper-slide li video {
        width: 100%;
        height: 220px;
    }
    .videopro
    .aboutr {
        width: 100%;
        box-sizing: border-box;
        padding: 10px;
    }

    .aboutr ul li {
        margin-top: 0px !important;
    }

    .listimp li {
        width: 100%;
    }

    .productbx {
        width: 100%;
    }

    .videopeobox {
        width: 100%;
    }
    .productlixt ul li {
        width: 48%;
        float: left;
        margin-right: 1%;
        margin-left: 1%;
    }
    .partnerbox{
        width: 100%;
    }
    .partlist ul li {
        width: 48%;
        float: left;
        margin: 0 1%;
        margin-bottom: 10px;
    }
    .partlist ul li img {
        width: 100%;
       
        height: 100%;
    }
    .shebeibox{
        width: 100%;
    }
    .newimg li {
        width: 34%;
        float: left;
        margin-bottom: 10px;
    }
    .footbox{
        width: 100%;word-wrap: break-word;
    }
    .foot_contact {
        width: 100%;
        padding: 15px;
        box-sizing: border-box;
    }
    .foot_product {
        width: 100%;
        margin-left: 10px;
    }
    .foot_news {
        width: 100%;
        float: left;
        margin-top: 15px;
        box-sizing: border-box;
        padding: 10px;
    }
    .newsp{
        word-wrap: break-word;
        display: none;
    }
    .container {
        width: 100%;
        /* height: 150px; */
        padding: 0px;
    }
    .conbox {
        width: 100%;
        height: 100%;
        background-size: auto 100% !important;
    }
    .swiper-container {
        width: 100%;
        height: 200px;
    }
    .swiper-container img{
        height: 100%;
    }

    .shelist ul li {
        width: 48%;
        float: left;
        margin: 0 1%;
    }
    .foot {
        box-sizing: border-box;
        padding: 10px;
    }
    .menunav{
        display: block;
      }
      .menunav {
        position: absolute;
        top: -63px;
        right: 22px;
        font-size: 14px;
        width: 35px;
        height: 35px;
        border: 1px solid #c5e0ff;
        line-height: 35px;
        text-align: center;
        color: #449dff;
        pointer-events: auto;
    }
    .pronav ul li {
        width: 100%;
        height: 35px;
        line-height: 35px;
    }
    .prolistall li {
        width: 48%;
        margin: 0 1%;
        font-size: 12px;
        line-height: 20px;
        margin-bottom: 15px;
    }
    .mshow ul{
        display: block !important;
    }
    .positions {
        width: 100%;
        box-sizing: border-box;
        padding: 0 10px;
    }
    .abinfo {
        width: 100%;
        box-sizing: border-box;
        padding: 10px;
        word-wrap: break-word;
    }
    .section {
        height: 150px !important;
        background-size: 100% 100% !important;
    }
    .proallbox {
        width: 100%;
    }

    .pdescbox {
        width: 100%;
        overflow-y: hidden;
        overflow-x: auto;box-sizing: border-box;
    }
    div#biger {
        width: 100%;
    }
    div#main {
        width: 100%;
    }
    .wrap {
        width: 100%;
        box-sizing: border-box;
        margin-left: 0px;
    }
    .prolistone {
        width: 100%;
        overflow: hidden;
    }
    .newbox {
        width: 100%;
    }
    .info {
        left: auto;
    }
    .newdesc .h3 {
        line-height: initial;
    }
    .newbox ul li {
        height: auto;
    }
    tr.firstRow td {
        width: 100%;
        display: block;
    }
    tr.firstRow td img {
        width: 100% !important;
        height: auto !important;
    }
    div#hbnrbox {
        width: 100%;
    }
    ul.nlist li {
        width: 100%;
    }
}