@media(max-width: 1200px)
{
    .section_one .container
    {
        padding: 0 15px;
    }
    .service_tab
    {
        padding: 0 50px;
    }
}
@media(max-width: 992px)
{
    .nav
    {
        padding-right: 0;
    }
    .nav li
    {
        padding: 10px 5px;
    }
    .s_title
    {
        padding: 55px 0 40px;
    }
    .s_title b
    {
        width: 150px;
    }
    .s_title .ti_center
    {
        margin: 0 30px;
    }
    .s_title .ti_center h3
    {
        font-size: 24px;
        line-height: 30px;
    }
    .brand_lt
    {
        padding: 30px 50px 30px 0;
    }
    .brand_lt:before
    {
        width: 26px;
        height: 20px;
        background-size: 26px;
    }
    .brand_rt
    {
        padding: 30px 0 0 0;
    }
    .brand_rt:before
    {
        width: 40px;
        background-size: 40px;
        height: 30px;
    }
    .brand_rt h3
    {
        font-size: 20px;
    }
    .brand_rt .brand_txt
    {
        line-height: 26px;
        height: 130px;
        -webkit-line-clamp: 5;
    }
    .service_tab
    {
        padding: 0 15px;
    }
    .service_list dd a span
    {
        font-size: 18px;
    }
}
@media(max-width: 767px)
{
    .model-header
    {
        height: 60px;
        padding: 0 15px;
        background: #dd5002;
    }
    .model-header-logo
    {
        height: 60px;
        position: relative;
    }
    .model-header-logo img
    {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        margin: auto;
        max-height: 100%;
        max-width: 100%;
    }
    .model-navbtn
    {
        width: 30px;
        height: 40px;
        float: right;
        margin-top: 10px;
        position: relative;
    }
    .model-navbtn img
    {
        width: 28px;
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        margin: auto;
    }
    .s_title
    {
        padding: 45px 0 20px;
    }
    .s_title .ti_center h3
    {
        font-size: 20px;
        line-height: 24px;
        height: 24px;
        overflow: hidden;
    }
    .s_title .ti_center span
    {
        line-height: 24px;
        height: 24px;
        overflow: hidden;
    }
    .s_title .ti_center
    {
        margin: 0 auto;
        width: 150px;
    }
    .s_title b
    {
        width: 23%;
    }
    .section_one
    {
        padding-bottom: 40px;
    }
    .brand_rt h3
    {
        font-size: 16px;
        height: 20px;
        line-height: 20px;
        overflow: hidden;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
    }
    .brand_rt .brand_txt
    {
        margin: 7px 0 5px;
    }
    .service_cont
    {
        padding: 0 0 40px;
    }
    .service_list
    {
        width: 49%;
        margin: 0 0 20px 0;
    }
    .service_cont .service_list:nth-child(2n)
    {
        float: right;
    }
    .news_list
    {
        float: none;
        width: 100%;
        margin: 0 0 20px;
        padding: 0 10px;
    }
    .news_list dl
    {
        padding: 20px;
    }
    .news_list dl dd .news_txt
    {
        line-height: 26px;
        height: 52px;
        -webkit-line-clamp: 2;
    }
    .contact_list li
    {
        float: none;
        width: 100%;
        text-align: left;
        padding-left: 6%;
        overflow: hidden;
        margin-bottom: 10px;
    }
    .contact_list li span
    {
        float: left;
        width: 50px;
        height: 50px;
    }
    .contact_list li p
    {
        margin-left: 70px;
    }
    .contact_list
    {
        padding-bottom: 25px;
    }
    .copyM
    {
        background: #f9f9f9;
        color: #666;
        font-size: 14px;
        padding: 10px 0;
    }
    .copyM a
    {
        color: #666;
        font-size: 14px;
    }
    #wrap_index
    {
        padding-bottom: 56px;
    }
    #quickbar-wrap
    {
        padding-top: 0;
    }
    .model-textlist-four ul li a:hover .newtime
    {
        padding-right: 15px;
    }
    .model-phone-page a
    {
        padding: 4px 4%;
    }
}
@media(max-width: 520px)
{
    .brand_rt
    {
        width: 100%;
    }
    .brand_rt .brand_txt
    {
        height: auto;
        -webkit-line-clamp: 3;
    }
    .brand_lt
    {
        padding-right: 30px;
    }
    .brand_lt:after
    {
        right: 15px;
    }
}
@media(max-width: 374px)
{
    .s_title b
    {
        width: 18%;
    }
}
@media(min-width: 768px)
{
    .service_list:hover dd
    {
        display: block;
    }
    .news_list dl:hover
    {
        border-bottom: 3px solid #f1453b;
        background: #fff;
        box-shadow: 0 0 20px 0 rgba(0,0,0,.2);
    }
    .news_list dl:hover dd>a
    {
        color: #f1453b;
    }
}
@media(min-width: 1400px)
{
    .container
    {
        width: 1400px;
    }
}