@media(max-width:1440px){
    .w1200{
        width: 100%;
        padding: 0 6%;
    }
}

@media(max-width:1023px){
    .w1200{
        width: 100%;
        padding: 0 4%;
    }

    header{
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: #141555;
        z-index: 99;
    }
    
    header .logo img.logo_pc{
        display: none;
    }

    header .logo img.logo_m{
        display: block;
    }

    header .fr{
        display: none;
    }

    .home-btn{
        display: block;
        position: fixed;
        right: 4%;
        top: 37px;
        z-index: 99;
    }

    .nav{
        position: fixed;
        display: none;
        top: 104px;
        width: 100%;
        height: calc(100% - 104px);
        max-height: calc(100% - 104px);
        margin: 0;
        background: #f5f5f5;
        z-index: 9999;
    }

    .nav .w1200{
        height: 100%;
    }

    .nav ul{
        display: block;
        height: 100%;
    }

    .nav ul li{
        width: 100%;
        margin: 5px;
        border-bottom: 1px solid #dcdcdc;
        line-height: 50px;
        font-size: 16px;
    }

    .nav ul li a{
        height: 50px;
        color: #7a7a7a;
    }

    .nav ul li.cur a{
        background: #141555;
        color: #fff;
    }

    .nav ul li a:after,
    .nav ul li.cur a:after,
    .nav ul li:hover :after{
        width: 0;
    }


    .nav ul li.hide{
        display: block;
    }

    .banner,
    .i_banner{
        margin-top: 104px;
    }

    .about2{
        height: auto;
        background-size: cover;
    }

    .about2 .flex{
        flex-wrap: wrap;
    }

    .about2 .flex .left .s1_over{
        width: 100%;
        height: auto;
        overflow: inherit;
    }

    .about2 .flex .left{
        width: 100%;
        height: auto;
        padding-right: 0;
        flex-wrap: wrap;
    }

    .about2 .flex .left .s1{
        width: 100%;
        height: auto;
    }

    .about2 .flex .left .s1 .time i{
        display: none;
    }

    .about2 .flex .left .s1_over .swiper-button-prev{
        top: 30px;
        left: 0;
        transform: rotate(-90deg);
    }
    
    .about2 .flex .left .s1_over .swiper-button-next{
        left: inherit;
        right: 0;
        top: 30px;
        transform: rotate(-90deg);
    }
    
    .about2 .flex .left .s2{
        width: 100%;
        margin-left: 0;
        margin-top: 20px;
    }

    .about2 .flex .left .s2 .info{
        max-height: inherit;
        overflow: inherit;
    }
    
    .about2 .flex .left .s2 .info p{
        margin: 10px 0;
    }

    .about2 .flex .right{
        display: flex;
        width: 100%;
        margin: 30px 0 0 0;
    }

    .about2 .flex .right img{
        width: 46%;
        margin: 0 4% 0 0;
    }

}

@media(max-width:768px){
    header{
        height: 48px;
        padding: 8px 0;
    }

    header .logo img{
        height: 32px;
    }

    .home-btn{
        top: 13px;
    }

    .home-btn img{
        width: 25px;
    }

    .nav{
        top: 48px;
        height: calc(100% - 48px);
        max-height: calc(100% - 48px);
    }

    .banner,
    .i_banner{
        margin-top: 48px;
    }

    .banner img.pc_banner,
    .i_banner img.pc_banner{
        display: none;
    }

    .banner img.m_banner,
    .i_banner img.m_banner{
        display: block;
    }

    .banner .swiper-pagination .swiper-pagination-bullet{
        width: 10px;
        height: 4px;
    }

    .banner .swiper-pagination .swiper-pagination-bullet-active{
        width: 14px;
    }

    .dec_container{
        margin: 30px auto;
    }

    .dec_container .col{
        width: 50%;
        margin: 20px 0;
    }

    .dec_container .col .top{
        width: 61px;
        height: 70px;
        background-size: 61px 70px;
    }

    .dec_container .col .top img{
        width: 37px;
        height: 37px;
    }

    .dec_container .col p{
        font-size: 12px;
    }

    .content1{
        padding: 30px 0;
    }

    .content1 .flex .tab{
        width: 100%;
        min-width: auto;
    }

    .content1 .flex .tab p{
        margin: 10px 0;
        font-size: 12px;
    }

    .content1 .flex .tab_container{
        width: 100%;
        padding-left: 0;
        max-width: inherit;
    }

    .tab_container .swiper-slide{
        padding: 0 15%;
    }

    .tab_container .swiper-slide .pic{
        width: 60%;
        margin: 0 auto;
    }


    .tab_container .swiper-button-prev,
    .tab_container .swiper-button-prev,
    .tab_container .swiper-button-next,
    .tab_container .swiper-button-next:hover{
        background-size: 10px 19px;
    }

    .c_tit1 h2{
        padding-bottom: 10px;
        font-size: 18px;
    }

    .c_tit1 h2:after{
        width: 15%;
        height: 2px;
    }

    .c_tit2 h2{
        font-size: 16px;
    }

    .c_tit3 h2{
        font-size: 16px;
        min-width: auto;
        width: 100%;
    }

    .c_tit4 h2{
        font-size: 16px;
    }

    .c_tit4 h2::after{
        width: 150px;
    }

    .content2 .bot .flex{
        margin-bottom: 0;
    }

    .content2 .top{
        padding: 40px 0;
        height: auto;
    }

    .video_wrap{
        width: 100%;
    }

    .content2 .bot .info{
        width: 100%;
        padding: 20px 0;
    }

    .content2 .bot .info p{
        font-size: 14px;
        word-break: break-all;
        text-align: justify;
    }

    .c_more{
        font-size: 16px;
    }

    .content3{
        padding: 30px 0;
    }

    .content3 .why_container{
        margin: 30px 0 0;   
    }

    .content3 .why_container .col img{
        width: 36px;
        height: 36px;
    }

    .content3 .why_container .col h2{
        margin-top: 10px;
        font-size: 18px;
    }

    .content3 .swiper-container{
        padding-bottom: 40px;
    }

    .content3 .swiper-pagination{
        bottom: 0;
    }

    .content3 .swiper-pagination-bullet{
        background: #fff;
    }

    .content4{
        padding: 30px 0;
    }

    .content4 .c_tit2{
        margin-top: 20px;
    }

    .content4 .flex .left{
        width: 100%;
        padding-right: 0;
    }
    
    .content4 .left .info .row{
        margin: 10px 0 0;
    }
    
    .content4 .left .info .row p{
        font-size: 14px;
    }

    .content4 .flex .map{
        margin-top: 30px;
        width: 100%;        
        min-height: 200px;
    }

    .footer{
        padding: 30px 0;
    }

    .footer .flex .left{
        display: none;
    }

    .footer .flex .mid{
        width: 100%;
    }

    .footer .flex .mid .footer_nav ul{
        flex-wrap: wrap;
    }

    .footer .flex .mid .footer_nav ul li{
        width: 33%;
        margin: 10px 0;
        flex: inherit;
    }

    .footer .flex .mid .ipt_wrap{
        width: 80%;
    }

    .footer .flex .mid .i_link a{
        display: inline-block;
        margin: 0 10px;
    }

    .footer .flex .right{
        display: none;
    }

    .copyright{
        padding: 10px 0;
        line-height: 24px;
    }

    .copyright span{
        display: none;
    }

    .pro_nav .flex .col{
        width: 100%;
        margin: 20px 0;
    }

    .pro_nav .flex .col:nth-child(even){
        margin:20px 0;
    }

    .i_nav{
        margin-top: 15px;
        padding: 0;
        flex-wrap: wrap;
    }

    .i_nav a{
        margin-top: 10px;
    }

    .pro_info .row .info .swiper-container{
        padding-bottom: 40px;
    }

    .pro_info .pro_box .pic_box{
        width: 29%;
    }

    .about1{
        padding: 60px 0 0;
    }

    .about1 .flex{
        margin: 20px 0;
    }

    .about1 .flex .left{
        width: 100%;
        margin-right: 0;
    }

    .about1 .flex .right{
        width: 100%;
        margin: 10px 0;
        flex-direction: column-reverse;
    }

    .about1 .flex .right h2{
        margin-top: 20px;
        font-size: 18px;
    }

    .about1 .flex .right .info p{
        margin: 10px 0;
        line-height: 24px;
    }

    .about2 .flex .left .s2{
        margin: 0;
    }

    .honor{
        display: none;
    }

    .c_tab{
        margin: 20px 0 10px;
    }

    .c_tab a{
        padding: 0 10px;
        font-size: 16px;
    }

    .rd .rd_tab_wrap .col{
        width: 48%;
        margin: 20px 2% 0 0;
    }
    
    .rd .rd_tab_wrap .col:nth-child(2n){
        margin: 20px 0 0 2%;
    }

    .contact .content4 .flex .left h2{
        font-size: 18px;
    }
    
    .news{
        margin: 60px 0 30px;
    }

    .news_list .row{
        margin-bottom: 20px;
    }

    .news_list .row .time{
        width: 80px;
        height: 88px;
        padding-top: 10px;
    }

    .news_list .row .time .day{
        font-size: 32px;
    }

    .news_list .row .time .year{
        font-size: 16px;
    }

    .news_list .row .info h2{
        margin-bottom: 8px;
        font-size: 16px;
    }

    .news .tab{
        margin-top: 30px;
        font-size: 0;
    }

    .news .tab span{
        display: inline-block;
        width: 48%;
        margin: 0 1%;
        text-align: center;
        font-size: 16px;
    }

    .news .tab span a{
        margin-right: 0;
        font-size: 16px;
    }

    .news .tab_wrap .left{
        width: 100%;
        padding: 0 0 20px;
        border-right: 0;
    }

    .news .tab_wrap .left h2{
        font-size: 16px;
    }

    .news .tab_wrap .right{
        width: 100%;
        padding: 0;
    }

    .news_top .fl{
        width: 100%;
        margin-right: 0;
    }

    .news_top .fl img{
        display: block;
        width: 100%;
    }

    .news_top .info{
        width: 100%;
    }

    .news_top .info h2{
        margin-top: 20px;
        font-size: 18px;
    }

    .news_top .info p{
        margin: 20px 0;
    }

    .news .news_list{
        margin: 20px 0;
    }

    .message{
        padding: 30px 0;
    }

    .message .flex{
        flex-wrap: wrap;
    }

    .message .flex .left{
        width: 100%;
    }

    .message .flex .left .info{
        padding: 0;
        line-height: 32px;
        font-size: 14px;
    }
    
    .message .flex .right{
        width: 100%;
        margin-top: 30px;
    }

    .message .flex .right .box{
        padding:0 0 20px 0;
        height: auto;
    }

    .message .flex .right .box h2{
        font-size: 16px;        
    }

    .message .flex .right .box .ipt_box{
        flex-wrap: wrap;
    }

    .message .flex .right .box .ipt_box span{
        width: 100%;
    }
    
    .message .flex .right .box .ipt_box input{
        margin-top: 10px;
        width: 100%;
    }

    .message .flex .right .box .ipt_box textarea{
        margin-top: 10px;
        width: 100%;
    }
    
    .tip img{
        width: 120px;
    }

}