body{
    min-width: 1200px;
}
.bodytop{
    background: url("../img/index_banner_img_bg.png") no-repeat center center;
    background-size: cover;
    height: 710px;
}
.header{
    padding: 18px;
    display: -webkit-flex; /* Safari */
    display: flex;
    justify-content:space-between;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    box-sizing: border-box;
    z-index: 10000;
}
.bodytop2 .header,.bodytop3 .header{
    box-shadow: 0px 2px 4px 0px rgba(0,0,0,0.08);
    background: #fff;
}
.bodytop3{
    background: url("../img/about_us_img_bg.png") no-repeat center center;
    background-size: cover;
    height: 760px;
}
.header .logo img{
    height: 36px;
}
.header .nav{
    display: inline-block;
    margin-right: 80px;
}
.header .nav ul{
    display: -webkit-flex; /* Safari */
    display: flex;
    width: 250px;
    justify-content:space-between;
}
.header .nav ul li a{
    font-size: 16px;
    color: #191817;
    position: relative;
    text-align: center;
    display: block;
    line-height: 36px;
}
.header .nav ul li a.this,.header .nav ul li a:hover{
    font-weight: bold;
    color: #FCA603;
}
.header  .login_box{
    display: inline-block;
}
.header  .login_box a{
    display: inline-block;
    line-height: 36px;
    padding: 0 28px;
    font-weight: bold;
    font-size: 16px;
    color: #FFFFFF;
    background: linear-gradient( 270deg, #FFDB96 0%, #FFB323 100%);
    border-radius: 20px;
}
.header  .login_box a:last-child{
    background: linear-gradient( 270deg, #9CD1FB 0%, #2196F3 100%);
}
.header  .login_box a:hover{
   opacity: 0.8;
}
.header  .login_box a:first-child{
    margin-right: 25px;
}
.bodytop .top_cont{
    padding-top: 200px;
    min-width: 1200px;
    margin: 0 auto;
    width: 1200px;
    box-sizing: border-box;
}
.bodytop .top_cont .title{
    font-weight: bold;
    font-size: 46px;
    color: #191817;
    margin-bottom: 15px;
}
.bodytop .top_cont .txt{
    font-size: 24px;
    color: #383634;
    margin-bottom: 58px;
}
.bodytop .top_cont .txt .ai{
    font-weight: bold;
    font-size: 48px;
    color: #FCA603;
    margin-right: 10px;
}
.bodytop .top_cont .top_download{
    display: flex;
    flex-wrap: wrap;
    width: 442px;
    justify-content: space-between;
}
.bodytop .top_cont .top_download a {
    width: 210px;
    height: 68px;
    line-height: 52px;
    padding: 8px;
    box-sizing: border-box;
    border-radius: 34px;
    padding-left: 28px;
    margin-bottom: 20px;
    position: relative;
}
.bodytop .top_cont .top_download a .txt{
    font-weight: bold;
    font-size: 20px;
    color: #FFFFFF;
}
.bodytop .top_cont .top_download a .txt{
    float: left;
}
.bodytop .top_cont .top_download a img{
    width: 52px;
    height: 52px;
    float: right;
}
.bodytop .top_cont .top_download a.orange_download{
    background: linear-gradient( 270deg, #FFDB96 0%, #FFB323 100%);
}
.bodytop .top_cont .top_download a.blue_download{
    background: linear-gradient( 270deg, #9CD1FB 0%, #2196F3 100%);
}

.bodyname{
    margin-top: 265px;
}
.bodyname .name{
    color: #fff;
    font-size: 60px;
    margin-bottom: 30px;
}
.bodyname .tip{
    color: #fff;
    font-size: 30px;
    opacity: .8;
}
.bodyname .link{
    margin-top: 80px;
}
.bodyname .link a{
    display: inline-block;
    line-height: 60px;
    padding: 0 40px;
    background-color: #ffe60f;
    border-radius: 50px;
    font-size: 20px;
    color: #333;
    width: 448px;
    box-sizing: border-box;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transition: all .1s;
    text-align: center;
    font-weight: bold;

}
.bodyname .link a:hover{
    transform: scale(1.1);
}
.part.part1 .part_box{
    display: flex;
    justify-content: space-between;
    position: relative;
}
.part.part1 .part_body{
    box-sizing: border-box;
}
.part .part_title{
    text-align: center;
    margin: 0 auto;
    margin-top: 50px;
    margin-bottom: 75px;
}
.part .part_title .name{
    font-weight: bold;
    font-size: 36px;
    color: #191817;
}
.item_list{
    width: 360px;
}
.item_list li{
    cursor: pointer;
    height: 92px;
    position: relative;
    padding: 15px;
    box-sizing: border-box;
    border-radius: 10px;
    margin-bottom: 12px;
}
.item_list li:last-child{
    margin-bottom: 0;
}
.item_list li.this,.item_list li:hover{
    background: linear-gradient( 270deg, #FFDB96 0%, #FFB323 100%);
}
.item_list li.this,.item_list li:hover{
    background: linear-gradient( 270deg, #FFDB96 0%, #FFB323 100%);
}
.item_list li.this .txt1,.item_list li.this .txt2,.item_list li:hover .txt1,.item_list li:hover .txt2{
    color: #fff;
}
.item_list li .txt1{
    font-weight: bold;
    font-size: 22px;
    color: #383634;
    margin-bottom: 12px;
}
.item_list li .txt2{
    font-size: 16px;
    color: #787673;
}
.item_list li .txt2 .en{
    color: #999;
    font-size: 18px;
    position: absolute;
    top: 40px;
}

.item_list li .txt2 .line{

    width: 0;
    background-color: #ffe60f;
    transition: all .3s;
    height: 0;
    /* display: none; */
    position: absolute;
    top: 15px;
}
.item_list li.this .txt2 .line{
    /*display: block;*/
    width: 120px;
    margin: 10px 0;
    height: 5px;
    margin-bottom: 0;

}
.part_box .imglist{
    position: relative;
    width: 800px;
}
.part_box .img{
   width: 800px;
    height: 612px;
}
.part_box .img_list{
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
}
.part_box .img_list li{
    position: absolute;
}
.part_box .img_list img{
    /*display: none;*/
    width: 800px;
    height: 612px;
    transition: all .3s;
    opacity: 0;
}
.part_box .img_list li.this img{
    opacity: 1;
}

.part.part2 .part_body .part_box{
    position: relative;
}
.part.part2 .part_title .name{
    padding-top: 30px;
}
.part2 .swiper-container{
    padding: 30px 20px;
}
.part2 .swiper-slide{
    width: 200px;
    height: 308px;
    background: #FFFFFF;
    border-radius: 12px;
    border: 1px solid #E6E1D8;
    padding:40px 15px;
    box-sizing: border-box;
    text-align: center;
}
.part2 .swiper-slide .img{
    width: 122px;
    height:124px;
    display: block;
    margin: 0 auto;
    margin-bottom: 20px;
}
.part2 .swiper-slide .name{
    font-weight: bold;
    font-size: 20px;
    color: #383634;
    margin-bottom: 10px;
}
.part2 .swiper-slide .txt{
    font-size: 16px;
    color: #787673;
}
.part.part2 .part_body .part_box .swiper-button-prev,.part.part2 .part_body .part_box .swiper-button-next
,.part.part1 .part_body .part_box .swiper-button-prev,.part.part1 .part_body .part_box .swiper-button-next{
    background: none;
    left: auto;
    right: auto;
    width: auto;
    height: auto;
}
.part.part2 .part_body .part_box .swiper-button-next{
    right: 0;
}
.part.part1 .part_body .part_box .swiper-button-prev{
    left: -22px;
}
.part.part1 .part_body .part_box .swiper-button-next{
    right: -22px;
}
.part.part2 .part_body .part_box .swiper-button-next img{
    width: 60px;
    height: 60px;
}
.part.part2 .part_body .part_box .swiper-button-prev{
    left: 0;
}
.part.part2 .part_body .part_box .swiper-button-prev img{
    width: 60px;
    height: 60px;
}
.part.part2 .part_body .part_box .swiper-slide-active{
    transform:scale(1.1);
    transition: transform .3s;
    border-color: #eee;
}
.part3 .part_title .name{
    padding-top: 20px;
}
.part3 .part_box{
    height: 600px;
}
.part3 .part_box .item_box{
    margin-bottom: 30px;
}
.part3 .part_box .item_box .item{
    display: flex;
    align-items:center;
    justify-content:space-between;
    height: 200px;
}
.part3 .part_box .item_box .item .item_block{
    width: 210px;
    line-height: 65px;
    text-align: center;
    border-radius: 35px;
    border: 4px solid #FFFFFF;
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
}
.part3 .part_box .item_box .item_title{
    font-size: 22px;
    color: #383634;
    text-align: center;
    margin-top: 20px;
}
.part3 .part_box .item_box .item.orange_item{
    background: url("../img/double_img_bg_orange.png")no-repeat center;
    background-size: 985px 200px;
}
.part3 .part_box .item_box .item.blue_item{
    background: url("../img/double_img_bg_blue.png")no-repeat center;
    background-size: 985px 200px;
}
.part3 .part_box .item_box .item.orange_item .item_block{
    background: linear-gradient( 270deg, #FFDB96 0%, #FFB323 100%);
}
.part3 .part_box .item_box .item.blue_item .item_block{
    background: linear-gradient( 270deg, #9CD1FB 0%, #2196F3 100%);
}
.part.part4 .part_title .name{
    padding-top: 30px;
}
.part4.part{
    padding-bottom: 100px;
}

.part4 .school_box{
   /* width: calc( 100% - 120px);*/
}
.part4 .school_box .school_head{
    margin-bottom: 36px;
}
.part4 .school_box .school_head .head_left{
    float: left;
}
.part4 .school_box .school_head .head_left .title{
    font-weight: bold;
    font-size: 30px;
    color: #191817;
    margin-bottom: 10px;
}
.part4 .school_box .school_head .head_left .text{
    font-size: 20px;
    color: #787673;
}
.part4 .school_box .school_head .head_right{
    width: 443px;
    height: 80px;
    text-align: right;
    float: right;
    font-size: 20px;
    color: #787673;
    background: url("../img/index_hundred_img_national.png");
    background-size: 100% 100%;
    padding-top: 50px;
    box-sizing: border-box;
}
.part4 .school_box .school_item{
    display: flex;
    flex-wrap: wrap;
}
.part4 .school_box .school{
    padding: 20px 10px;
    background: #FFFFFF;
    box-shadow: 0px 0px 10px 0px rgba(33,150,243,0.1);
    border-radius: 10px;
    width: 288px;
    box-sizing: border-box;
    margin-top: 16px;
    margin-right: 16px;
}
.part4 .school_box .school:nth-child(4n){
    margin-right: 0;
}
.part4 .school_box  .school .school_msg{
    float: left;
}
.part4 .school_box  .school.school_other .school_msg{
    float: unset;
}
.part4 .school_box .school .school_msg .name{
    font-weight: bold;
    font-size: 20px;
    color: #383634;
    margin-bottom: 15px;
}
.part4 .school_box  .school .school_msg .txt{
    font-size: 16px;
    color: #383634;
}
.part4 .school_box  .school .num{
    float: right;
    font-weight: bold;
    font-size: 30px;
    color: #2196F3;
    margin-top: 15px;
}
.part4 .school_box  .school_other{
    width: 100%;
}
.bodyfooter{
    text-align: center;
    color: #fff;
    font-size: 14px;
    background-color: #333;
    padding: 25px 0;
    line-height: 2;
    box-sizing: border-box;
}
.bodyfooter .footer_msg{
    
}
.bodyfooter .footer_msg .msg_left{
    float: left;
    text-align: left;
}
.bodyfooter .footer_msg .msg_left .bot_logo{
    height: 60px;
    display: block;
    margin-bottom: 60px;
}
.bodyfooter .footer_msg .msg_left .code{
    width: 120px;
}
.bodyfooter .footer_msg .msg_left .code .code_img{
    width: 120px;
    height: 120px;
}
.bodyfooter .footer_msg .msg_left .code .txt{
    font-size: 14px;
    color: #FFFFFF;
    text-align: center;
    line-height: 1.5;
}
.bodyfooter .footer_msg .msg_right{
    float: right;
    text-align: right;
}
.bodyfooter .footer_msg .msg_right .num{
    font-weight: bold;
    font-size: 30px;
    color: #FFFFFF;
    margin-bottom: 14px;
}
.bodyfooter .footer_msg .msg_right .address{
    font-size: 14px;
    color: #FFFFFF;
    margin-bottom: 14px;
}
.bodyfooter .footer_msg .msg_right .map{
    position: relative;
}
.bodyfooter .footer_msg .msg_right .map .company{
    line-height: 34px;
    background: linear-gradient( 270deg, #4B4A49 0%, #191817 100%);
    border-radius: 6px;
    font-weight: bold;
    font-size: 14px;
    color: #FFFFFF;
    width: 188px;
    text-align: center;
    position: absolute;
    left: 42px;
    bottom: 47px;
}
.bodyfooter .footer_msg .msg_right .map .arrow{
    width: 28px;
    height: 38px;
    background: url("../img/index_bottom_icon_position.png");
    background-size: 100% 100%;
    position: absolute;
    left: 240px;
    bottom: 45px;
}

.bodyfooter .footer_bot{
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin-top: 40px;
    padding-top: 10px;
}
.bodyfooter .footer_bot div{
    display: inline-block;
}
.wchat_code{
    width: 260px;
    height: 292px;
    position: absolute;
    padding: 30px;
    background: #FFFFFF;
    box-shadow: 0px 0px 10px 0px rgba(0,0,0,0.08);
    border-radius: 12px;
    text-align: center;
    bottom: 70px;
    left: -30px;
    box-sizing: border-box;
    display: none;
}
.wchat_code .code_img{
    width: 200px!important;
    height: 200px!important;
}
.wchat_code .code_txt{
    font-size: 16px;
    color: #383634;
    margin-top: 15px;
}
.bodytop .top_cont .top_download a:hover .wchat_code{
   display: block;
}
.bodytop .top_cont .top_download a:not(:has(.wchat_code)):hover {
    opacity: 0.8;
}
.bodytop2{
    height: unset;
    background: unset;
}
.bodytop .top_btn{
    padding-top: 150px;
}
.bodytop .top_btn .btn_list{
    background: #F8F9FA;
    border-radius: 12px;
    padding: 10px;
    display: flex;
    justify-content: space-between;
}
.bodytop .top_btn .btn_list li{
    width: 220px;
    line-height: 56px;
    text-align: center;
    font-size: 20px;
    color: #383634;
    cursor: pointer;
    position: relative;
}
.bodytop .top_btn .btn_list li.this,.bodytop .top_btn .btn_list li:hover{
    background: linear-gradient( 270deg, #FFDB96 0%, #FFB323 100%);
    border-radius: 8px;
    font-weight: bold;
    font-size: 20px;
    color: #FFFFFF;
}
.bodytop .top_btn .btn_list li:after,.bodytop .top_btn .btn_list li:after{
    content: "";
    width: 100px;
    height: 24px;
    background: url("../img/project_part_btn_select.png");
    position: absolute;
    left: 61px;
    top: -40px;
    display: none;
}
.bodytop .top_btn .btn_list li.this:after,.bodytop .top_btn .btn_list li:hover:after{
    display: block;
}
.part_title .txt{
    font-size: 24px;
    color: #787673;
    margin-top: 25px;
}

.part1 .swiper-slide .train_img {
    width: 300px;
    height: 628px;
}
.part1 .swiper-slide .ai_tips{
    width: 78px;
    height: 50px;
    background: url("../img/project_train_img_ai.png");
    background-size: 100% 100%;
    position: absolute;
    right: 51px;
    top: 0;
}
.part_box .cet_box{
    height: 593px;
    background: url("../img/project_cet_img_bg.png");
    background-size: 100% 100%;
    padding: 50px;
    box-sizing: border-box;
}
.part_box .cet_box .cet_msg{
    margin-bottom: 25px;
    width: 466px;
}
.part_box .cet_box .cet_msg .tit{
    font-weight: bold;
    font-size: 24px;
    color: #383634;
    margin-bottom: 10px;
}
.part_box .cet_box .cet_msg .txt{
    font-size: 20px;
    color: #787673;
}
.part_box .product_box{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.part_box .product_box .product_img{
    width: 670px;
    height: 420px;
}
.product_block .product{
    margin-bottom: 60px;
}
.product_block .product:last-child{
    margin-bottom: 0;
}
.part_box .product_box .product{
    width: 436px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.part_box .product_box .product .product_icon{
    width: 34px;
    height: 34px;
}
.part_box .product_box .product .product_msg{
    width: 384px;
}
.part_box .product_box .product .product_msg .tit{
    font-weight: bold;
    font-size: 20px;
    color: #383634;
}
.part_box .product_box .product .product_msg .txt{
    font-size: 16px;
    color: #787673;
}
.us_box{
    padding-top: 150px;
}
.us_box .about{
    margin-bottom: 80px;
}
.us_box .about .tit{
    font-weight: bold;
    font-size: 80px;
    color: #191817;
}
.us_box .about .txt{
    font-size: 36px;
    color: #383634;
}
.us_box .company_box{
    background: linear-gradient( 180deg, #E9F5FF 0%, #F0F8FF 100%);
    border-radius: 24px;
    padding: 50px;
    position: relative;
}
.company_box .name{
    font-weight: bold;
    font-size: 24px;
    color: #383634;
    padding: 0 40px;
}
.company_box .txt{
    font-size: 20px;
    color: #787673;
    padding: 0 40px;
}
.company_box .company_msg{
    padding: 40px 40px 0 40px;
    border-top: 2px dashed rgba(33,150,243,0.3);
    margin-top: 40px;
    display: flex;
    justify-content: space-between;
}
.company_box .company_msg .msg{
    
}
.company_box .company_msg .msg .tit{
    font-size: 20px;
    color: #787673;
    display: inline-block;
    vertical-align: middle;
    margin-right: 10px;
}
.company_box .company_msg .msg .version{
    font-weight: bold;
    font-size: 30px;
    color: #2196F3;
    display: inline-block;
    vertical-align: middle;
}
.us_box .company_box .us_img{
    width: 390px;
    height: 228px;
    background: url("../img/about_us_icon_logo.png");
    background-size: 100% 100%;
    position: absolute;
    right: 60px;
    top: -175px;
}
.part4.part .part_box{
    position: relative;
    width: calc(100% - 120px);
    margin: 0 auto;
    background: url("../img/index_hundred_img_bg.png");
    background-size: 100% 100%;
    padding: 60px 0;
}
#box3{
    padding-bottom: 100px;
}