.cad2020_top .maincon{ padding-top:180px;}
.cad2020_top .cad2020_topcont h1{font-size:54px;line-height:72px;font-weight:bold;color:rgba(255,255,255,1);text-align:center;}

.cad2020_top_subtitle{font-size:24px;margin:16px 0;line-height:32px;text-align:center; font-weight:bold;color:rgba(255,255,255,1);}
.cad2020_top_smalltitle{font-size:14px;font-weight:bold;color:rgba(255,255,255,1);line-height:19px;text-align:center; }
.cad2020_top_img{text-align:center;width:100%;}
.cad2020_top_img img{width:100%;max-width:1200px;}

.cad2020_top_btncont{text-align:center;margin:28px 0 42px;}
.cad2020_top_btn{width:200px;height:56px;line-height:56px;border-radius:8px;border:1px solid rgba(151,151,151,1);cursor:pointer;}
.cad2020_top_btn:first-child{margin-right:40px;}
.cad2020_top_btn:hover{background:rgba(0,61,168,1);border:1px solid #003DA8;}
.cad2020_top_btnline{width:2px;height:36px;margin:10px 10% 0 17%;background-color:#fff;opacity: 0.2;}
.cad2020_top_btnimg{width:14px;margin:21px 0 0 0;}
.cad2020_top_btntxt{font-size:16px;color:rgba(255,255,255,1);}

.cad2020_modeltwo{margin:44px 0;position:relative;}
.cad2020_modeltwo_cont{padding-top:100px;width:100%;background-color:#F8F8F8;}
.cad2020_model_list{width:90%;margin:0 auto;}
.cad2020_imgli{float:left;width:63%;}
.cad2020_imgli img{width:100%;max-width:654px;}

.cad2020_txtli{float:right;width:35%;}
.cad2020_modeltwo_icon{text-align:center;width:43px;margin:20px auto 30px;}
.cad2020_modeltwo_icon img{width:100%;}
.cad2020_modeltwo_txt{font-size:18px;color:rgba(102,102,102,1);line-height:36px;}


.oem_tab_model{width:100%;margin:44px 0 50px;background-color:#fff;}
.oem_tab_list{float:left;width:16.535%;margin-right:2px;
    background-color:#313131;height:50px;line-height:50px;
    font-size:18px;
    font-weight:300;
    color:rgba(255,255,255,1);
    text-align:center;cursor:pointer;
}
.oem_tab_list:last-child{margin-right:0;}

.oem_tab_list:hover,.oem_tab_listactive,.oem_tab_modelcont .current{background-color:#003DA8;color:#fff;}
.oem_app_menucont .current{color:#003DA8;}

.cad2020_model_three{}
.cad2020_modelthree_list{margin-top:20px;}
.cad2020_modelthree_txtli{float:left;width:35%;margin-left:5%;}
.cad2020_modelthree_imgli{float:right;width:50%;text-align:center;}
.cad2020_modelthree_imgli img{width:100%;max-width:600px;}
.cad2020_modelthree_listchange .cad2020_modelthree_txtli{float:right;margin-left:0;margin-right:5%;}
.cad2020_modelthree_listchange .cad2020_modelthree_imgli{float:left;}
.cad2020_modelthree_tit{font-size:32px;margin-bottom:34px;font-weight:bold;color:rgba(61,61,61,1);line-height:43px;}
.cad2020_modelthree_txt{font-size:18px;color:rgba(97,97,97,1);line-height:28px;}
.cad2020_modelthree_href{margin-top:25px;}
.cad2020_modelthree_hrefa{font-size:16px;padding-right:11px;font-weight:600;color:rgba(102,102,255,1);cursor:pointer;background:url("../images/cad2020-icon13.png") no-repeat right center;}
.cad2020_modelthree_hrefa:hover{text-decoration: underline;}
.cad2020_modelthree_titone{margin-top:22%;}
.cad2020_modelthree_txtother{margin-top:32px;}

.cad2020_model_four{margin-top:50px;width:100%;background:url("../images/cad2020-icon12.png") no-repeat right center;background-size:cover}
.cad2020_model_fourtit{margin:87px 0 18px;font-size:28px;color:#fff;text-align:center; line-height:37px;}
.cad2020_model_fourtxt{font-size:18px;color:rgba(255,255,255,0.7);line-height:24px;text-align:center;}
.cad2020_model_fourcont{margin:80px auto 70px;width:90%;}
.cad2020_model_fourlist{float:left;    width: 25%; margin: 0 8% 0 2% ;}
.cad2020_model_fourlist:first-child{margin-left:0;}
.cad2020_model_fourlist:last-child{margin-right:0;}
.cad2020_model_fourlistimg img{width:48px;}
.cad2020_model_fourlisttit{font-size:20px;line-height:28px;margin:20px 0 15px;font-weight:bold;color:rgba(255,255,255,1);}
.cad2020_model_fourlisttxt{font-size:16px;line-height:24px;color:rgba(255,255,255,0.6);}

.cad2020_model_five{background-color:#fff;padding:4px 0;}
.cad2020_model_five img{width:100%;max-width:1230px;}


.cad2020_model_six{padding:65px 0;width:100%;background-color:#F8F8F8;}
.cad2020_model_six h2{line-height:37px;font-size:28px;color:rgba(51,51,51,1);text-align:center; }
.cad2020_model_sixlistcont{margin:35px 0 55px;}
.cad2020_model_sixlist{float:left;width:30%;margin-right:5%;height:370px;margin-top:20px;background:rgba(255,255,255,1);border-radius:8px;cursor:pointer;}
.cad2020_model_sixlist:last-child{margin-right:0}
.cad2020_model_sixlist:hover{margin-top:0;}
.cad2020_model_sixlistimg{margin-top:60px;text-align:center;}
.cad2020_model_sixlistimg img{width:auto;height:185px;}
.cad2020_model_sixlisttit{font-size:20px;color:rgba(51,51,51,1);line-height:28px;text-align:center;}
.cad2020_model_sixlisthref{margin-top:39px;text-align:center;}

.cad2020_model_sixlist .cad2020_modelthree_hrefa{font-weight:normal}
.cad2020_model_seven{margin-top:60px;text-align:center;}
.cad2020_model_seven a{width:200px;
    height:56px;line-height:56px;
    border-radius:8px;font-size:16px;
    color:#666666;background-color:#f8f8f8;
    border:1px solid #d0d0d0;cursor:pointer;}
.cad2020_model_seven a:hover{border:1px solid #333;}
#cad2020_model_list_phone{display:none;}
.cad2020_model_fiveimgphone{display:none;}
.cad2020_top_imgphone{display:none;}
@media screen and (max-width:1300px) {
    .cad2020_top .cad2020_topcont h1{font-size:52px;line-height: 70px;}

    .oem_tab_list{width:16.5%;font-size:14px;}
    .oem_tab_titb{font-size:116px;}
    .oem_tab_txt {font-size: 40px;margin-top: 51px;line-height: 60px;    }
    .oem_tabthree_model .oem_tab_txt{margin-top:102px;}
}
@media screen and (max-width:1200px) {
    .cad2020_modeltwo_icon {width:32px;height:auto; margin: 10px auto 15px; }
}
@media screen and (max-width: 1023px) {
    .cad2020_modeltwo_txt{line-height:28px;}
    .cad2020_modelthree_list{margin-top:40px;}
    .cad2020_modelthree_titone {
        margin-top: 10%;
    }

    .oem_tab_model{    margin: 28px 0 1px;}
    .oem_tab_list{margin-right: 1px;font-size:12px;width: 16%;}
    .oem_tab_list:first-child{    width: 19.3%;}
    .oem_tabone_modelhead{height:149px;margin-bottom:44px;}
    .oem_tab_tit{width:29%;}
    .oem_tab_titt {margin-top: 20px;font-size: 12px;height: 17px;line-height: 17px;    }
    .oem_tab_tit {height: 149px;}
    .oem_tabone_modeltit {margin: 0 15.6%;    }
    .oem_tab_titb { margin-top: 0px;font-size: 78px;text-align: center;height: 106px;line-height: 106px;    }

    .oem_tab_txt {    width: 63%;font-size: 24px;margin-top: 38px;line-height: 33px;    }

    .oem_tab_h3 {font-size: 18px;line-height: 24px;    margin: 0 auto 17px;}
    .oem_tab_h4 {font-size: 14px;line-height: 18px;    }
}
@media screen and (max-width: 980px) {
    .product_nav{top:50px;}
    .cad2020_top .cad2020_topcont h1 { font-size: 40px;line-height: 50px;}

    .cad2020_top_subtitle {font-size: 20px;line-height: 30px;}

    element.style {
    }
    .cad2020_top_btn:first-child {
        margin-right: 40px;
    }
    .cad2020_modeltwo_cont {padding: 50px 0;}
    .cad2020_modeltwo_txt{font-size:16px;}
    .cad2020_modeltwo_icon {width: 26px;height: auto; margin: 0 auto 10px;    }
    .cad2020_imgli img{margin-top:20px;}
    .cad2020_modelthree_txt {font-size: 16px;}
    .cad2020_modelthree_tit {font-size: 28px; margin-bottom: 20px;line-height: 40px;    }
    .cad2020_modelthree_imgli img{margin-top:30px;}
}
@media screen and (max-width: 767px) {
    .cad2020_top_btn { width: 160px;height: 50px;line-height: 50px;}
    .oem_tab_list:first-child {width: 19%;}
    .oem_tab_model{display:none;}
}
@media screen and (max-width: 500px) {
    .cad2020_top .maincon {padding-top: 130px; }
    .cad2020_top .cad2020_topcont h1 {font-size: 20px;line-height: 30px;    }
    .cad2020_top_subtitle {font-size: 16px;line-height: 20px; margin: 6px 0;   }
    .cad2020_top_smalltitle {font-size: 12px;       line-height: 20px;width:310px;margin-left:auto;margin-right:auto;}
    .cad2020_top_btncont {margin: 20px 0 0; }

    .cad2020_top_btn {width: 120px;height: 32px;line-height: 32px;  border-radius:5px;  }
    .cad2020_top_btntxt {font-size:12px;}
    .cad2020_top_btnline {width: 1px;height: 22px;margin: 5px 5% 0 10%;}
    .cad2020_top_btnimg {width: 10px; margin: 11px 0 0 0;}
    .cad2020_top_btn:first-child {margin-right: 20px;}
    .cad2020_modeltwo_txt {font-size: 14px;line-height: 24px;}
    .cad2020_modeltwo_icon { width: 20px;margin: 0 auto 16px;}
    .cad2020_modeltwo_cont { padding: 20px 0 0;}

    #cad2020_model_list_phone{display:block;}
    #cad2020_model_list_pc{display:none;}
    .cad2020_modeltwo .maincon{width:100%;}
    .cad2020_txtli {
        float: none;
        width: 80%;margin-left:auto;margin-right:auto;
    }
    .cad2020_imgli {
        float: none;
        width: 100%;
    }
    .cad2020_imgli img{margin-bottom:-21%;}
    .cad2020_modelthree_list{padding:0 5%;margin-top:0;}
    #tab1{background-color:#F8F8F8;margin-top: 60px;}
    #tab3, #tab5{background-color:#F8F8F8;}
    .cad2020_model_three .maincon{width:100%;}
    .cad2020_modelthree_listchange .cad2020_modelthree_txtli{float:none;margin-right:auto;margin-left:auto;}

    .cad2020_modelthree_tit {font-size: 18px;margin-bottom: 16px;line-height: 24px;    }
    .cad2020_modelthree_titone{margin-top:32px;}
    .cad2020_modelthree_txt {font-size: 14px;line-height: 24px;    }
    .cad2020_modelthree_txtli{float: none;width: 80%;margin-left: auto;margin-right:auto;}
    .cad2020_modelthree_imgli {float: none; width: 100%;text-align: center;    }
    .cad2020_model_fourtit {
        margin: 31px 0 16px;
        font-size: 18px;
        line-height: 24px;
    }
    .cad2020_model_fourtxt {font-size: 14px;line-height: 20px; }
    .cad2020_model_fourcont {
        margin: 28px auto 0;
        width: 90%;
    }
    .cad2020_model_fourlist{float: none;
        width: 90%;
        margin: 0 auto 40px;}
    .cad2020_model_fourlisttit {
        font-size: 16px;
        line-height: 28px;
        margin: 17px 0 15px;
        font-weight: normal;

    }
    .cad2020_model_fourlist:first-child {
        margin-left: auto;
    }
    .cad2020_model_fourlist:last-child {
        margin-right:auto;
    }
    .cad2020_model_fourlisttxt {
        font-size: 12px;
        line-height: 18px;font-weight:normal;

    }
    .cad2020_model_fiveimgphone{display:block;}
    .cad2020_model_fiveimgpc{display:none;}
    .cad2020_model_six h2{font-size:18px;}
    .cad2020_model_six { padding: 32px 0;}
    .cad2020_model_sixlist{float: none;display:block;width: 90%;margin:0 auto 16px;height: 284px; }
    .cad2020_model_sixlistimg {margin-top:40px;}
    .cad2020_model_sixlisttit{font-size:18px;}
    .cad2020_model_sixlisthref {margin-top: 20px;}
    .cad2020_model_sixlist:last-child {margin-right: auto;    }
    .cad2020_model_sixlistcont {
        margin-bottom:0;
    }
    .cad2020_model_seven{margin-top:0;}
    .cad2020_top_imgphone{display:block;}
    .cad2020_top_imgpc{display:none;}
    .cad2020_top_imgphone img{margin-bottom:-19%;}
    .cad2020_model_seven a{    width: 114px;
        height: 32px;
        line-height: 32px;
        border-radius: 5px;
        font-size: 12px;}
    .cad2020_model_sixlistimg img{height:130px;}
}