@media (max-width: 1189px) {

}

@media (max-width: 1024px) {
    #top{
        display: none;
    }
}

@media (max-width: 768px) {
    .menu {
        display: block;
    }

    .nav li > span {
        display: block;
    }
    .header{
        position: relative;
        z-index: 111;
        width: 100%;
        background: #fff;
        height: 70px;
    }
    .header_box {
        position: fixed;
        width: 100%;
        background: #f9f9f9;
        padding: 0 2%;
        z-index: 111;
        box-sizing: border-box;
    }
    .header .logo img,.logo_teldh{
        margin-top: 5px;
        margin-bottom: 5px;
    }
    #nav {
        position: fixed;
        left: 0;
        top: 70px;
        width: 100%;
        height: auto;
        box-sizing: border-box;
        z-index: 111;
        margin: 0;
        padding: 20px 0;
        border-bottom: 1px solid #e1e1e1;
        display: none;
    }
    .nav>li{
        width: 100%;
        display: block;
        padding: 0;
        text-align: left;
    }
    .nav li > a{
        text-align: left;
        padding-left: 15px;
        display: inline-block;
        width: 85%;
        line-height: 40px;
        height: 40px;

    }
    .nav > li.list .list_ul{
        width: 100%;
    }
    ul.fuwufenlei{
        margin-top: 0;
    }
    ul.fuwufenlei > li{
        float: left;
        width: 48%;
        margin: 5px 1%;


    }
    ul.hscp li{
        width: 33.333%;
    }
    ul.hscp li:nth-child(10){
        display: none;
    }
    .index_about_index_left{
        display: none;
    }
    .index_about_index_right{
        width: 100%;
        float: none;
    }
    .dibuxx{
        display: none;
    }

    .menu {
        margin-top: 15px;
    }

    .bottom-fixed {
        display: block;
    }
    .tit h3{
        margin-bottom: 15px;
    }
    .page-frame,.logo_teldh{
        display: none;
    }
}

@media (max-width: 600px) {
    .logo_teldh{
        display: none;
    }
    .menu{
        margin-top: 10px;
    }
    .header{
        height: 70px;
    }
    #nav{
        top: 70px;
    }
    .xin-b{
        width: 100%;
    }
    .xin-b:nth-child(2){
        margin-top: 30px;
    }
    .index_two .boxb,.index_four .right{
        margin-top: 30px;
    }
    .newsContent .center,.newsContent .right{
        width: 100%;
    }
    .newsContent .center{
        padding-bottom: 0;
        margin-bottom: 30px;
        min-height: auto;

    }
    .pre_next{
        margin-bottom: 30px;
    }
    .sort-product-right,.page-about-left{
        width: 100%;
    }

}

@media (max-width: 480px) {
    .header .top, .header{
        height: 50px;
    }
    .header .logo img{
        height: 40px;
    }
    .header .top .logo{
        margin-top: 5px;
    }
    #nav{
        top:50px;
    }
    .tit h3{
        font-size: 24px;
    }
    .a2{
        margin: 30px auto 10px;
    }
    ul.fuwufenlei{
        margin-bottom: 10px;
    }
    ul.hscp li a{
        padding: 5px;
    }
    ul.hscp li{
        width: 50%;
    }
    ul.hscp li:nth-child(n+7){
        display: none;
    }
    #index_about{
        padding: 30px 0;
    }

    .menu {
        margin-top: 10px;
    }

    .menu img {
        width: 30px;
    }

    .m_hidden,.header-box .login-apply{
        display: none;
    }
    .news_list2 li a{
        width: 70%;
    }
    .page{
        padding: 20px 0;
    }
    .sort-new-list li a img{
        display: none;
    }
    .sort-product-list li{
        width: 50%;
    }
    h2.left-box{
        font-size: 20px;
    }
    .detail-box h3.article-title{
        font-size: 18px;
    }
    .detail-box .time{
        font-size: 13px;
    }
}

@media (max-width: 320px) {

}