.wrap{
    width: 75%;
    margin: auto;
}
.banner img{
    width: 100%;
}
.mo-banner{
    display: none;
}
.index-pro-item img{
    width: 100%;
}
.contact-conent{
    width: 50%;
}
.contact-conent img{
    max-width: 100%;
}
footer{
    background-color: #bfaf98;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    overflow: hidden;
}
.top-footer{
    display: flex;
    justify-content: space-between;
    margin: auto;
    margin-top: 30px;
}
.top-footer a{
    color: #fff;
}
.footer-cate-header{
    font-weight: bold;
    margin: 20px auto;
    position: relative;
    font-size: 28px;
}
.footer-cate-header:after{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: #fff;
}
.footer-cate-top{
    font-size: 18px;
    text-align: center;
}
.footer-left{
    width: 50%;
    display: flex;
    position: relative;
}
.footer-left:after{
    content: "";
    position: absolute;
    right:45px;
    top: 10%;
    width: 1px;
    height: 80%;
    background: #523e33;
}
.wxqr-contain{
    width: 50%;
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.footer-cate{
    margin-top: 30px;
    /*width: 20%;*/
}
.footer-wxqr{
    margin-right: 50px;
}
.footer-cate p{
    color: #fff;
}
.footer-cate ul{
    display: flex;
    flex-flow: wrap;
}
.footer-cate .info-list{
    flex-flow: column;
}
.footer-cate li{
    color: #fff;
    margin-bottom: 10px;
    text-align: center;
    width: 50%;
}
.footer{
    color: #fff;
    text-align: center;
}
.footer p{
    margin: 0;
    padding: 10px;
}
.footer-info{
    color: #fff;
}
.footer a{
    color: #fff;
}
.footer-logo{
    margin: 20px;
}
.header-contain{
    background: #fff;
    border: 0;
    position: relative;
    z-index: 2;
    /*-webkit-box-shadow: inset 0 -1px 0 #fff, 0 2px 2px rgba(0,0,0,.25);*/
    /*-moz-box-shadow: inset 0 -1px 0 #fff,0 2px 2px rgba(0,0,0,.25);*/
    /*box-shadow: inset 0 -1px 0 #fff, 0 2px 2px rgba(0,0,0,.25);*/
}
.mo-header-contain{
    background: #fff;
    border: 0;
    position: relative;
    z-index: 2;
    -webkit-box-shadow: inset 0 -1px 0 #fff, 0 2px 2px rgba(0,0,0,.25);
    -moz-box-shadow: inset 0 -1px 0 #fff,0 2px 2px rgba(0,0,0,.25);
    box-shadow: inset 0 -1px 0 #fff, 0 2px 2px rgba(0,0,0,.25);
    display: none;
}
.wx-contain{
    display: none;
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    margin: auto;
}
.container{
    display: flex;
    justify-content: space-around;
    align-items: center;
}
.header-contain .navbar{
    width: 50%;
    height: 100%;
}
.btn-navbar{
    display: none;
}
.navbar-container{
    display: flex;
}
.navbar-container .nav-collapse{
    width: 100%;
}
.nav-collapse .nav{
    display: flex;
    justify-content: space-around;
    align-items: center;

}
.nav-collapse .nav li{
    position: static;
    text-align: center;
}
.nav-contain{
    display: none;
    position: absolute;
    background-color: #212121;
    width: 100%;
    left: 0;
}
.nav .dropdown-menu{
    display: flex;
    justify-content: space-around;
}
.nav-collapse .dropdown-menu .megamenu-header{
    color: #9e9e9e;
}
.dropdown-menu .nav-list{
    display: flex;
    flex-flow: column;
}
.nav-collapse .nav-list .nav-item a{
    color: #fff;
    position: relative;
    height: 40px;
    line-height: 40px;
    text-align: left;
}
.nav-item a:after{
    content: "";
    width: 15px;
    height: 1px;
    background: #fff;
    position: absolute;
    top: 49%;
    left: -25px;
}
.nav-collapse .nav li a{
    display: block;
    color: #807169;
    height: 80px;
    line-height: 80px;
    position: relative;
}
.nav-collapse .nav .cur a:before{
    content: "";
    position: absolute;
    width: 100%;
    height: 2px;
    background: #fff;
    top: 0;
}
.index-pro-contain{
    margin-top: 50px;
}
.banner-list{
    position: absolute;
    margin: auto;
    display: flex;
}
.search-container{
    margin-top: 100px;
}
.search-container .index_input{
    border: 1px solid #ddd;
    border-radius: 5px;
    width: 80%;
    height: 40px;
    margin-bottom: 50px;
}
.search-contain .searchBtn{
    background-image: url(../images/search.png);
    background-repeat: no-repeat;
    background-size: 100%;
    width: 30px;
    height: 30px;
}


.index-about-container{
    background-repeat: no-repeat;
    background-size: cover;
    padding: 1% 0;
}
.index-about-container img{
    width: 100%;
}
.index-about-contain{
    padding: 2%;
    border-radius: 2%;
    background: rgba(255,255,255,.5);
    font-size: 16px;
    line-height: 24px;
}
.index-about-contain img{
    width: 100%;
}
.index-about-container .title{
}
.index-video-contain{
    width: 100%;
}
.index-about-logo{
    margin: 20px auto;
}
.index-about-text{
    width: 48%;
    text-align: center;
}
.index-about-desc{
    text-align: left;
    line-height: 26px;
    letter-spacing: 2px;
    padding: 10px;
}
.index-aboutimg-list{
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
}
.index-aboutimg-list li{
    width: 24%;
}
.index-aboutimg-list img{
    width: 100%;
}
.index-about{
    display: flex;
    background: #f2f2f2;
}
.index-about-img{width: 30%;}
.index-about-img img{
    width: 100%;
}
.index-about-title{
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    text-align: center;
    justify-content: center;
}
.index-about-content{
    width: 75%;
    padding: 5% 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: auto;
}
.about-cn-title{
    font-size: 26px;
    font-weight: bold;
    border-bottom: 2px solid #000;
    margin-right: 20px;
}
.about-en-title{
    width: 165px;
}
.index-about{
    width: 100%;
}
.index-about-desc{
    width: 60%;
    color: #000;
    font-size: 16px;
    line-height: 26px;
}
.index-about .more{
    border-radius: 5px;
    background: #bfaf98;
    width: 100px;
    margin: 20px auto;
    padding: 10px;
}
.index-about .more a{
    color: #fff;
    font-size: 18px;
}












.page-container{
    min-height: 600px;
}
.page-container img{
    max-width: 100%;
}
.page-container .title{
    margin: 20px auto;
    font-size: 24px;
    text-align: center;
    color: #523e33;
}
.next-container{
    text-align: center;
    margin: 2% auto;
}
.index-next-contain{
    background-image: url("../images/index-pro-bg.jpg");
    background-repeat: no-repeat;
    background-position: center;
    padding: 20px 0;
    position: relative;
    margin-top: 30px;
}
.index-next-title{
    position: absolute;
    background: #523e33;
    color: #fff;
    left: 0;
    right: 0;
    margin: auto;
    width: 30%;
    padding: 5px;
    border-radius: 5px;
    top: -10px;
}
.index-next-desc{
    color: #fff;
    margin: 20px auto;
    font-size: 18px;
    letter-spacing: 2px;
    text-shadow:5px 2px 6px #000;
}
.index-new-container{
    margin: 50px auto;
}
.index-new-container .title{
    text-align: left;
}
.index-new-container .catdir{
    font-size: 24px;
}
.index-new-list{
    display: flex;
    align-items: center;
    margin: 20px auto;
    justify-content: center;
}
.index-new-list p{
    color: #555555;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.index-createtime{
    color: #000;
    font-size: 24px;
    border-bottom: 1px solid #d5d5d5;
    padding-bottom: 10px;
}
.index-new-list li{
    width: 30%;
    margin-right: 1%;
}
.index-article-title{
    height: 36px;
}
.index-new-list li a{
    color: #000;
}
.index-new-list img{
    width: 100%;
}
.index-new-list p{
    margin: 10px;
    position: relative;
}


/*首页产品*/
.index-pro-list{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin: 20px auto;
    justify-content: space-around;
}
.index-pro-list li {
    width: 15%;
    text-align: center;
    box-shadow: 5px 5px 5px #5e595a;
    padding: 1%;
}
.index-pro-list li a{
    color: #4c4948;
}
.index-pro-text{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2%;
}
.line{
    height: 1px;
    background: #000;
    width: 70%;
}
.index-pro-text .more{
    color: #636363;
    border: 1px solid #636363;
    border-radius: 5px;
    padding: 5px;
}
.index-case-img{
    width: 48%;
}
.index-case-text{
    width: 48%;
    color: #424242;
}
.index-pro-text img{
    max-width: 100%;
    width: auto;
}
.index-case-text h2{
    font-size: 24px;
}
.index-case-text p{
    line-height: 24px;
    letter-spacing: 2px;
}
.index-case-text a{
    color: #424242;
}
.index-pro-container .index-pro-item-box{
    margin: 50px auto;
}
.index-pro-container .index-pro-item-box img{
    width: 100%;
}
.index-pro-title{
    color: #523e33;
    text-align: center;
    font-size: 24px;
}

.page-container .ul-parent{
    width: 100%;
    display: flex;
    flex-flow: wrap;
}
.page-container .ul-parent li {
    border-radius: 50px;
    background: #bfaf98;
}
.page-container .ul-parent li.cur{
    background: #523e33;
}
.page-container .ul-parent li a{
    padding: 2px;
    color: #fff;
}

    /*产品页*/
.tool-contain{
    display: flex;
    /*width: 20%;*/
    align-items: center;
    position: relative;
}
.tool-contain li{
    margin-right: 10%;
}
.tool-contain li a{
    color: #727272;
}
.pro-container{
    margin: 50px auto;
    justify-content: space-between;
    display: flex;
    align-items: start;
}
/*.pro-container .ul-parent{*/
/*    width: 100%;*/
/*    display: flex;*/
/*    flex-flow: wrap;*/
/*}*/
.pro-container .ul-parent{
    width: 15%;
    display: flex;
    flex-flow: column;
    border: 2px solid #bfaf98;
}
.pro-container .nav-contain{
    display: none;
    position: absolute;
    background: #F2F2F2;
    width: 100%;
    left: 100%;
    z-index: 10;
    top: 0;
    border: 1px solid #ccc;
}
.pro-container .ul-parent li{
    width: 100%;
    background: #fff;
    border: 0px;
    margin-bottom: 0;
    border-top: 1px solid #bfaf98;
}
.pro-container .ul-parent li a{
    color: #bfaf98;
    display: flex;
}
.li-head{
    border-bottom: 1px solid #ccc;
    margin-bottom: 0px;
}
.li-head a{
    font-weight: bold;
}
.ul-parent li:hover .nav-contain{
    display: block;
}
.dropdown-menu li:hover a{
    background: #bfaf98;
    color: #fff;
}
.has-sidebar b{
    width: 16px;
    height: 16px;
    background-image: url("../images/left_icon.png");
    background-repeat: no-repeat;
    background-size: contain;
    display: block;
}
.ul-parent li{
    text-align: center;
    width: 100%;
    position: relative;
}
.ul-parent li a.cate-header:hover{
    background: #fff;
    color: #bfaf98;
}
.ul-parent li a{
    display: flex;
    color: #8f8f8f;
    width: 100%;
    padding: 10px;
}
.ul-parent li.cur{
    background: #000;
}
.ul-parent li.cur a{
    color: #fff;
}

.ul-parent{

}
.ul-parent li{
    margin-bottom: 10px;
    text-align: center;
    color: #fff;
    width: 15%;
    margin-right: 1%;
    border: 1px solid #bfaf98;
    background: #bfaf98;
}

.ul-parent li a{
    display: block;
    color: #fff;
    width: 100%;
    padding: 10px;
}
.ul-parent li.cur{
    border:1px solid #523e33;
    background: #523e33;
}
.ul-parent li.cur a{
    color: #fff;
}
.pro-contain{
    width: 80%;
}
.pro-list{
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
    min-height: 600px;
}
.pro-list li{
    width: 24%;
    margin-right: 1%;
    margin-bottom: 2%;
}
.pro-list li img{
    width: 100%;
}
.pro-title{
    text-align: center;
    font-size: 1.2rem;
    padding: 10px;
    color: #000;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}
.page-contain {
    display: flex;
}
.page-contain a{
    display:block ;
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: #fff;
    border: 1px solid #bfaf98;
    margin-right: 10px;
    background: #bfaf98;
}
.page-contain a.cur{
    color: #fff;
    background: #523e33;
}

/*新闻列表*/
.article-container{
    display: flex;
    margin: 50px auto;
    min-height: 500px;
    justify-content: space-between;
    flex-flow: column;
}
.article-container img{
    width: 100%;
}
.article-container .title{
    font-size: 24px;
    text-align: center;
    margin: 20px;
    color: #523e33;
}
.article-thumb{
    width: 35%;
}
.article-thumb img{
    width: 100%;
}
.partner-contain{
    width: 48%;
}
.article-list{
    width: 100%;
    display: flex;
    align-items: center;
    flex-flow: wrap;
    margin-top: -18%;
}
.article-list li img{
    width: 100%;
}
.article-list li{
    margin: 20px auto;
    width: 24%;
    background: #fff;
    box-shadow: 5px 5px 5px #5e595a;
}
.new-desc{
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}
.article-list li a{
   color: #000;
    /*display: flex;*/
    /*align-items: center;*/
    /*justify-content: space-around;*/
}
.createtime{
    width: 100%;
    display: flex;
    align-items: center;
    position: relative;
    color: #bfc0be;
}
.createtime p{
    font-size: 1.2rem;
}
.new-title{
    font-size: 18px;
    margin: 10px auto;
    height: 50px;
    color: #523e33;
    font-weight: bold;
    text-align: center;
}
.new-desc{
    line-height: 24px;
    color: #523e33;
}
.new-info{
    width: 100%;
    padding: 2%;
}
.new-info a{
    color: #646464;
}

.newsTitle{
    font-size: 24px;
    text-align: center;
    margin-bottom: 20px;
}
.newsST{
    text-align: center;
    margin: 20px;
    color: #646464;
}
.news-others{
    margin: 20px auto;
}
.news-others a{
    color: #646464;
}
.partner-container{
    width: 50%;
    margin-top: 50px;
    color: #424242;
}

.message-contain{
    display: flex;
    margin-top: 50px;
    min-height: 500px;
}
.message-title{
    width: 40%;
    display: flex;
    align-items: center;

}
.message-list{
    width: 48%;
}
.message-list span{
    display: inline-block;
    width: 100px;
}
.message-list li{
    display: flex;
    margin-bottom: 10px;
    color: #8f8f8f;
}
.message-list li input{
    border: 1px solid #ccc;
}
.submit-contain button{
    border: 1px solid #523e33;
    padding: 5px 20px;
    background-color: #523e33;
    color: #fff;
}
.contact-container{
    margin: 30px auto;
}
.contact-contain{
    display: flex;
    margin: 30px auto;
}
.contact-contain .title{
    color: #000000;
    font-size: 24px;
}
.e-nav-header{
    display: none;
}

.pics-list{
    display: none;
    position: fixed;
    left: 50%;
    top: 50%;
    -webkit-transform: translate(-50%, -50%);
    transform: translate(-50%, -50%);
    width: 50%;
    z-index: 140;
    text-align: center;
}
.pics-list img{
    max-width: 100%;
}
.shadow-contain{
    position: fixed;
    background: rgba(0,0,0,0.8);
    z-index: 130;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: none;
}
.pics-close{
    position: absolute;
    right: 10px;
    top: 10px;
}
.pics-close img{
    width: 32px;
}
.mo-index-pro-list,.mo-index-about-contain{
    display: none;
}
.swiper-slide img,.mo-index-about-contain img{
    width: 100%;
}
.join-title-contain{
    margin: 20px auto;
}
.join-item .join-title{
    color: #523e33;
    font-size: 24px;
    text-align: center;
    position: relative;
    width: 200px;
    margin: auto;
}
.join-item .join-catdir{
    text-align: center;
    color: #383838;
}
.join-item .join-title:before{
    content: "";
    position: absolute;
    width: 50px;
    top: 50%;
    background: #523e33;
    height: 2px;
    left: 0;
}
.join-item .join-title:after{
    content: "";
    position: absolute;
    width: 50px;
    top: 50%;
    background: #523e33;
    height: 2px;
    right: 0;
}


@media (max-width: 960px){
    .index-pro-title{
        font-size: 18px;
    }
    .ul-parent li:after{
        width:0;
    }
    .pro-container .nav-contain {
        position: initial;
    }
    .page-container,.page-thumb{
        margin-top: 50px;
    }
    .top-footer,.footer-cate-header,.article-thumb,.next-container,.line,.index-pro-text .more,.index-pro-list,.index-about-container{
        display: none;
    }

    .mo-index-pro-list,.mo-index-about-contain{
        display: block;
        margin: 30px auto;
    }
    .index-pro-container .index-pro-item-box{
        margin: 20px auto;
    }
    .index-pro-text h2,.index-new-container .title{
        width: 100%;
        text-align: center;
        font-size: 24px;
        text-shadow:none;
    }

    .index-new-list{
        flex-flow: column;
    }
    .index-new-list li{
        width: 100%;
    }
    .mo-header-contain{
        display: block;
    }
    .header-contain{
        display: none;
    }
    .mo-header-contain .container{
        justify-content: space-between;
    }
    .wrap{
        width: 90%;
    }
    .btn-navbar{
        display: flex;
        color: #000;
        align-items: center;
    }
    .btn-navbar img{
        width: 32px;
        margin-right: 5px;
    }
    .navbar-container{
        justify-content: flex-end;
    }
    .nav-collapse{
        position: fixed;
        top: 0;
        left: 0;
        background: #fff;
        display: none;
        height: 100%;
    }
    .nav-collapse .nav{
        flex-flow: column;
        border-top: 1px solid hsla(120,0%,20%,.1);
        border-bottom: 1px solid hsla(120,0%,20%,.1);
        background: hsla(0,0%,100%,.1);
    }
    .e-nav-header{
        display: flex;
        background: #fff;
        justify-content: space-between;
        padding: 5px;
        align-items: center;
    }
    .nav-collapse .nav li{
        width: 100%;
        text-align: left;
        text-indent: 20px;
        border-bottom: 1px solid hsla(120,0%,50%,1);
    }
    .nav-collapse .nav .cur a:before{
        width: 0;
    }
    .nav-collapse .nav-contain{
        position: relative;
    }
    .dropdown-menu{
        flex-flow: column;
    }
    .dropdown-menu .nav-list{
        display: none;
        margin-left: 30px;
    }
    .megamenu-header{
        pointer-events:none
    }
    .pro-container{
        flex-flow: column;
    }
    .pro-container .ul-parent{
        display: flex;
        margin: 20px auto;
        flex-flow: wrap;
        width: 100%;
        justify-content: center;
    }
    .ul-parent li{
        width: 32%;
        margin-left: 1%;
        margin-bottom: 10px;
    }
    .pro-contain{
        width: 100%;
    }
    .pro-list{
        width: 100%;
        justify-content: space-between;
    }
    .pro-list li{
        width: 48%;
    }
    .article-container{
        flex-flow: column;
    }
    .partner-contain{
        width: 100%;
    }
    .article-list{
        width: 90%;
        margin: 20px auto;
        flex-flow: column;
    }
    .article-list li{
        width: 100%;
    }
    .partner-container{
        width: 100%;
    }
    .message-contain{
        flex-flow: column;
    }
    .message-title{
        width: 100%;
    }
    .message-list{
        width: 100%;
    }
    .contact-contain{
        flex-flow: column;
    }
    .contact-container .title{
        font-size: 24px;
    }
    .contact-conent{
        width: 100%;
    }
}
@media (max-width: 960px){
    h4, .h4{
        font-size: 16px;
    }
    .pics-list{
        width: 100%;
    }
    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 50px;
        background-color: #fff;
        box-shadow: 0 0 30px rgba(0, 0, 0, .1);
        overflow: visible;
        z-index: 1000;
    }
    #nav_overlayer {
        position: fixed;
        display: none;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: #000;
        opacity: 0;
        z-index: 900;
    }
    #nav>li>a{
        color: #999;
    }
    .trans {
        -webkit-transition: all .4s ease;
        transition: all .4s ease;
    }
    .header-top{
        display: flex;
        justify-content: space-between;
    }
    .lang_btn {
        width: 50px;
        height: 50px;
        line-height: 50px;
        margin-left: 0;
        font-size: 14px;
    }
    .lang_btn {
        display: block;
        float: right;
        margin-right: 10px;
        text-align: center;
        color: #999;
        overflow: hidden;
        font-family: "microsoft yahei";
    }
    .logo_img img{
        width: 249px;
    }
    nav .menu_btn span {
        top: 24px;
        left: 15px;
    }
    nav .menu_btn span:before {
        top: -6px;
    }
    nav .menu_btn span:after {
        top: 6px;
    }
    .top_logo {
        /*padding: 4px 10px;*/
    }
    .top_logo {
        float: left;
        height: 100%;
        width: auto;
        /*padding: 8px 10px;*/
        overflow: hidden;
        display: flex;
        align-items: center;
    }
    nav {
        display: block;
        float: right;
    }
    nav .menu_btn span:after, nav .menu_btn span:before {
        content: "";
        left: 0;
    }
    .nav-open nav .menu_btn span:before {
        background-color: #fff;
        -webkit-transform: translateY(6px) rotate(-45deg);
        -ms-transform: translateY(6px) rotate(-45deg);
        transform: translateY(6px) rotate(-45deg);
    }
    nav .menu_btn span, nav .menu_btn span:after, nav .menu_btn span:before {
        position: absolute;
        width: 20px;
        height: 2px;
        background-color:#523e33;
        border-radius: 1px;
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
        -webkit-transition: all .4s ease;
        transition: all .4s ease;
    }
    button {
        background: 0 0;
        border: none;
        text-shadow: none;
        position: relative;
    }
    nav .menu_btn {
        position: relative;
        float: right;
        width: 60px;
        height: 60px;
        overflow: hidden;
        text-indent: 100%;
        white-space: nowrap;
        color: transparent;
        cursor: pointer;
    }
    nav .menu_btn {
        display: block;
        width: 50px;
        height: 50px;
    }
    .nav-open nav .menu_btn {
        background-color: #523e33;
    }

    .nav-open nav .menu_btn span {
        background-color: transparent
    }

    .nav-open nav .menu_btn span:before {
        background-color: #fff;
        -webkit-transform: translateY(6px) rotate(-45deg);
        -ms-transform: translateY(6px) rotate(-45deg);
        transform: translateY(6px) rotate(-45deg)
    }

    .nav-open nav .menu_btn span:after {
        background-color: #fff;
        -webkit-transform: translateY(-6px) rotate(45deg);
        -ms-transform: translateY(-6px) rotate(45deg);
        transform: translateY(-6px) rotate(45deg)
    }
    #nav {
        position: absolute;
        background-color: #fff;
        width: 100%;
        right: 0;
        top: 50px;
        overflow-x: visible;
        -webkit-transition: all .4s cubic-bezier(1, 0, 0, 1);
        transition: all .4s cubic-bezier(1, 0, 0, 1);
    }
    #nav>li {
        width: 100%;
        height: 0;
    }
    #nav>li {
        display: inline-block;
        float: left;
        overflow: hidden;
    }
    .nav-open #nav>li {
        height: 50px;
        cursor: pointer;
    }
    #nav>li>a,
    .max_header #nav>li>a {
        line-height: 50px;
        padding: 0 20px;
        font-size: 14px;
    }
}
@media (max-width: 640px){
    .pro-container{
        margin: 20px auto;
    }
    .ul-parent li{
        width: 48%;
    }
    .pro-title{
        font-size: 14px;
    }
    .pc-banner{
        display: none;
    }
    .mo-banner{
        display: block;
        margin-top: 50px;
    }
    .index-about-contain{
        flex-flow: column;
    }
    .index-video-contain{
        width: 100%;
    }
    .index-about-text{
        width: 100%;
    }
    .index-case-img{
        display: none;
    }
    .index-case-text{
        width: 100%;
    }
    .index-pro-list{
        margin-top: 20px;
    }
}
@media (min-width: 640px){
    .pc-banner{
        display: block;
    }
    .mo-banner{
        display: none;
    }

}