*{margin: 0;padding: 0;box-sizing: border-box;
    -webkit-tap-highlight-color: rgba(255, 255, 255, 0);
    -webkit-user-select: none;
    -moz-user-focus: none;
    -moz-user-select: none;}   
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

 ::-webkit-scrollbar-track {
    background: #f6f6f6;
    border-radius: 2px;
}

 ::-webkit-scrollbar-thumb {
    background: #cdcdcd;
    border-radius: 20px;
}

 ::-webkit-scrollbar-thumb:hover {
    background: #007aff;
}

 ::-webkit-scrollbar-corner {
    background: #f6f6f6;
}
.w1200{
    max-width: 1220px;
    padding:0 10px;
    box-sizing: border-box;
    margin:0 auto;
    position: relative;
}
.bar_tit{
    text-align: center;
}
.bar_tit .zh{
    font-weight: 500;
    font-size: 36px;
    color: #0D1924;
    line-height: 50px;
}
.bar_tit .en{
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 24px;
    margin-top: 8px;
}
.header{
    height: 472px;
    background:#3153d4 url(./top_bg.png) no-repeat;
    background-size:cover;
    box-sizing: border-box;
}
.header .nav{
    padding-top: 20px;
}
.header .nav .logo{
    width: 145px;
    height: 82px;
    display: block;
}
.header .title{
    font-weight: 400;
    font-size: 50px;
    color: #FFFFFF;
    line-height: 70px;
    margin-top: 60px;
}
.header .title_en{
    font-weight: 400;
    font-size: 26px;
    color: #FFFFFF;
    line-height: 26px;
    margin-top: 10px;
}
.header .desc{
    font-size: 18px;
    color: #FFFFFF;
    line-height: 30px;
    margin-top: 22px;
}
.header .desc_en{
    font-size: 16px;
    color: #FFFFFF;
    line-height: 30px;
    margin-top: 2px;
}

.header .btn{
    display: block;
    text-decoration: none;
    width: 184px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background-color: #fff;
    border-radius: 40px;
    font-weight: 400;
    font-size: 18px;
    color: #007AFF;
    margin-top: 16px;
    transition: all 0.3s;
}
.header .btn:hover{
    color:#fff;
    background-color: #007AFF;
}
.about{
    padding:90px 0;
}
.about_t1{
    display: flex;
    margin-top: 40px;
}
.about_t1 .left{
    width: 480px;
    margin-right: 40px;
}
.about_t1 .left .img{
    width: 100%;
   
    display: block;
}
.about_t1 .right{
    flex: 1;
    overflow: hidden;
}
.about_t1 .right p{
    font-size: 16px;
    color: rgba(0,0,0,0.8);
    line-height: 36px;
}
.about_t1 .right p span{
    font-weight: 600;
}
.about_t2{
    display: flex;
    margin-top: 40px;
}
.about_t2 .li{
    width: 33.33%;
    height: 234px;
    padding-left: 24px;
    padding-right: 24px;
    padding-top: 16px;
    box-sizing: border-box;
    border-left:1px solid rgba(0,0,0,0.2);
}
.about_t2 .li .icon{
    width: 40px;
    height: 40px;
    display: block;
}
.about_t2 .li .tit{
    font-weight: 500;
    font-size: 26px;
    color: #000000;
    line-height: 30px;
    margin-top: 25px;
}

.about_t2 .li .tit_en{
    font-weight: 500;
    font-size: 20px;
    color: #000000;
    line-height: 20px;
    margin-top: 18px;
}

.about_t2 .li .txt{
    font-weight: 400;
    font-size: 16px;
    color: rgba(0,0,0,0.8);
    margin-top: 18px;
}
.business{
    padding:90px 0 70px;
    background-color: #F8FBFD;
}
.business_t1{
    margin-top: 40px;
    display:flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.business_t1 .li{
    width: 387px;
    margin-bottom: 20px;
}
.business_t1 .li .img{
    width: 387px;
    height: 268px;
    display: block;
}
.business_t1 .li .tit{
    margin-top: 8px;
    font-weight: 500;
    font-size: 20px;
    color: #000000;
    line-height: 23px;
    text-align: center;
}
.partner{
    padding:90px 0;
}
.partner_t1{
    max-width: 1118px;
    margin:40px auto 0;
}
.partner_t1 .img{
    width: 100%;
    display: block;
}
.team{
    background-color: #F8FBFD;
    padding: 90px 0;
}
.team_t1{
    margin-top: 40px;
    display: flex;
}
.team_t1 .left{
    width: 590px;
    margin-right: 20px;
}
.team_t1 .left .img{
    width: 100%;
    height: 358px;
    display: block;
}
.team_t1 .right{
    flex: 1;
    overflow: hidden;
    height: 358px;
    padding:50px 30px 0;
    position: relative;
    background-color: #2750D6;
}
.team_t1 .right .icon{
    width: 308px;
    height: 90px;
    position: absolute;
    bottom:0;
    right:0;
}
.team_t1 .right p{
    font-weight: 500;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 40px;
}
.team_t2{
    display: flex;
    justify-content: space-between;
}
.team_t2 .li{
    margin-top: 20px;
    width: 285px;
}
.team_t2 .li .img{
    width: 100%;
    height: 218px;
    display: block;
}
.team_t2 .li .tit{
    margin-top: 8px;
    font-weight: 500;
    font-size: 20px;
    color: #000000;
    line-height: 23px;
    text-align: center;
}
.team_t3{
    margin-top: 40px;
    position: relative;
}
.team_t3 .video{
    width: 100%;
    height: 675px;
    display: block;
    /* object-fit: fill; */
}
.team_t3 .mask{
    position: absolute;
    top:0;
    left:0;
    right:0;
    bottom:0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.team_t3 .mask .icon{
    width: 70px;
    height: 70px;
}
.footer{
    background-color: #2750D6;
    padding:0 0 40px;
    text-align: center;
}
.footer .bg{
    position: absolute;
    top:0;
    left:0;
    width: 100%;
    height: 228px;
    overflow: hidden;
    background: url(./footer_bg.png) no-repeat top center;
    background-size: 100% 302px;
}
.footer .title{
    font-weight: 500;
    font-size: 36px;
    color: #FFFFFF;
    line-height: 50px;
    padding-top: 80px;
}
.footer .title_en{
    font-weight: 500;
    font-size: 22px;
    color: #FFFFFF;
    line-height: 30px;
    padding-top: 4px;
}

.footer .address{
    font-weight: 600;
    font-size: 16px;
    color: #FFFFFF;
    line-height: 1;
    margin-top: 25px;
}
.footer .phone{
    font-weight: 600;
    font-size: 13px;
    color: #FFFFFF;
    line-height: 1;
    margin-top: 26px;
}

.footer .email{
    font-weight: 600;
    font-size: 14px;
    color: #FFFFFF;
    line-height: 1;
    margin-top: 26px;
}
.footer .company{
    font-weight: 400;
    font-size: 12px;
    color: #FFFFFF;
    margin-top: 26px;
}
.footer .copyright{
    font-weight: 400;
    font-size: 12px;
    color: #FFFFFF;
    margin-top: 26px;
}

@media screen and (max-width: 780px) {
    .header .title{
        font-size: 42px;
        text-align: center;
    }
    .header .desc{
        text-align: center;
    }
    .header .btn{
        margin-left:auto;
        margin-right: auto;
    }
    .about_t1{
        flex-wrap: wrap;
        justify-content: center;
    }
    .about_t1 .left{
        margin-right: 0;
        max-width: 480px;
        width: auto;
    }
    .about_t1 .left .img{
        height: auto;
        width: 100%;
    }
    .about_t1 .right{
        flex: auto;
        margin-top: 20px;
    }
    .about_t2{
        flex-wrap: wrap;
    }
    .about_t2 .li{
        width: 100%;
        text-align: center;
        border:0;
    }
    .about_t2 .li .icon{
        margin:0 auto;
    }
    .business_t1 .li{
        width: 100%;
    }
    .business_t1 .li .img{
        width: 100%;
        height: auto;
    }
    .team_t1{
        flex-wrap: wrap;
    }
    .team_t1 .left{
        width: 100%;
        margin-right: 0;
    }
    .team_t1 .left .img{
        height: auto;
    }
    .team_t1 .right{
        flex: auto;
        margin-top: 10px;
        height: auto;
        padding-bottom: 30px;
    }
    .team_t2{
        flex-wrap: wrap;
    }
    .team_t2 .li{
        width: 49%;
        margin-top: 10px;
    }
    .team_t2 .li .img{
        height: auto;
    }
    .team_t3 .video{
        height:auto;
    }
    .footer .bg{
        background-size: contain;
    }
    .footer .address{
        line-height: 24px;
    }
}