@media only screen and (max-width: 600px) {
    .p_tb20 { padding: 0; }
    .p_tb50 { padding: 30px 0 !important; }
    .m_tb30 { margin: 10px auto !important }

    #name_box_w  .col { height: 70px; }

    .logo { font-size: 2.8rem; }

    #top_tel img { margin-right: 0 !important; }

    .menu { width: 100% !important; }

    .swiper-container1 .swiper-pagination .swiper-pagination-bullet i {
        width: 48px !important;
        height: 48px !important;
        line-height: 48px !important;
        font-size: 26px !important;
        font-weight: bold;
    }
    .swiper-container1 .swiper-pagination .swiper-pagination-bullet p {
        font-size: x-small;
    }
    #top_news_box .section { padding: 0;  }


    .type_gd .swiper-slide a .cover { bottom: 0 !important; opacity: 0.5;}

    #top_news_box .tit { background: #000; color: #fff;  }
    #zy_banner_box { height: 180px; }

    
    .in_title a big { font-size: 2.0rem; }
    .in_title a p { font-size: 1.2rem; line-height: 30px; }

    .in_title p:before {
    display: none;
    }

    .in_title p:after {
        display: block;
        margin: 10px auto;
    }

    .in_desc { font-size: 1.6rem; padding: 0 30px; }

    #in_news_w .container { width: 100% !important; }

    #in_news_w .container .row { margin: 0 !important; }

    #in_news_w h3 { margin-left: 10px;  }


    .title_box .location { display: none; }

    #in_product_w .tabs_conts li .img0 { height: 140px;}

    .page-footer .e_menu {
    margin: 0 auto 10px;
    }

    .page-footer .e_menu .container { width: 100% !important; }

    #in_gsjj_w .cont { font-size: 1.6rem; }

}


@media only screen and (min-width: 601px) and (max-width: 991px) {

    #zy_banner_box { height: 300px; }

    #in_product_w .tabs_conts li .img0 { height: 260px;}
    
}

@media only screen and (min-width: 992px) and (max-width: 1200px) {

    .menu li { width: 12.5% !important; }
    #top_news_box a { width: auto; }

    #top_news_box a .p_tb20 { margin: 0 5px;  }

    #zy_banner_box { height: 360px; }

    #left_box { padding-left: 30px; }

    .tabs .tab { width: 16.66%; }

    #in_product_w .tabs_conts li .img0 { height: 230px;}

    .map_lx { padding: 20px; }

    #in_ys_link li { width: 20%; }

    .Pimg { max-width: 600px !important; }

    .pro_gd { height: 660px; }

    .lf_lx_list li {
        font-size: 1.3rem !important;
    }

}


@media only screen and (min-width: 1201px) {

    .tabs .tab { width: 16.66%; }

    .menu li { width: 12.5% !important; }

    #top_news_box a { width: auto; }
    #top_news_box a .p_tb20 { margin: 0 5px;  }

    .demo .swiper-pagination { position: absolute; width: 1200px; left: 50%; transform: translateX(-360px); }

    #banner_box { width: 100%; position: relative; height: 538px; overflow: hidden;}

    .swiper-container { width: 1920px; height: 600px; left: 50%; margin-left: -960px !important; position: absolute; }


    #left_box { padding-left: 30px; }

    .page-footer .e_menu {
    margin: 0 auto 50px;
    }

    #in_ys_link li { width: 20%; }
    .Pimg { max-width: 600px !important; }

    .pro_gd { height: 660px; }

    .lf_lx_list li {
        font-size: 1.3rem !important;
    }

    .menu li { border-bottom: 0 !important; }

}