*{
    margin: 0;
    padding: 0;
}
ul li{
    list-style: none;
}
a{
    text-decoration: none;
    color: #000;
}
.page{
    width: 100%;
    min-height: 100vh;
}
.nav{
    width: 100%;
    height: 90px;
    line-height: 90px;
}
.nav .navBox{
    width: 80%;
    height: 100%;
    margin: 0 auto;display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav .logo{
    padding-top: 20px;
    display: flex;
    align-items: center;
}
.nav .logo img{
    width: 274px;
    height: 100%;
}
.nav ul{
    display: flex;
    align-items: center;
}
.nav ul li{
    font-size: 14px;
    color: #0E0F10;
    margin-left: 100px;
    font-weight: 500;
    cursor: pointer;
}
.nav ul li.active a{
    color: #0354FB;
}
.nav ul li:first-child{
    margin-left: 0;
}
.nav ul li a, .nav ul li a:active, .nav ul li:link{
    color: #333;
    text-decoration: none;
}
.banner{
    margin-top: -20px;
    width: 100%;
    height: 1135px;
    background: url("../img/banner_bg.png") no-repeat;
    background-size: 100% 100%;
    font-weight: 400;
    font-size: 40px;
    color: #FFFFFF;
}
.banner .title{
    padding: 240px 0 0 10%;
}
.banner .title img{
    margin-left: -35px;
    margin-bottom: 60px;
    width: auto;
    height: 130px;
}
.banner .title p{
    margin-bottom: 16px;
}
.banner .title p:last-child{
    margin-top: 50px;
}
.banner .title span{
    margin-right: 20px;
}
.function{
    margin: 56px auto 100px;
    width: 80%;
}
.function .title{
    font-weight: 600;
    font-size: 56px;
    color: #000000;
    line-height: 78px;
    text-align: center;
}
.function .title span{
    position: relative;
}
.function .title span:after{
    content: '';
    position: absolute;
    left: 0;
    bottom: -16px;
    width: 100%;
    height: 12px;
    background: #0354FB;
}
.function .content{
    margin-top: 124px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.function .content img{
    width: 739px;
    height: auto;
}
.function .content .right{
    padding-left: 100px;
    padding-right: 100px;
}
.function .content .right .title{
    margin-bottom: 75px;
    font-family: PingFangSC, PingFang SC;
    font-weight: 600;
    font-size: 48px;
    color: #000000;
    line-height: 67px;
    text-align: left;
}
.function .content .right ul li{
    margin-bottom: 48px;
    font-weight: 400;
    font-size: 32px;
    color: #000000;
    line-height: 45px;
}
.introduction{
    margin: 56px auto 0;
    height: 700px;
    background: url("../img/bg.png") no-repeat;
    background-size: 100% 100%;
    background-position: bottom;
}
.introduction .title{
    margin-top: 120px;
    margin-bottom: 60px;
    font-weight: 600;
    font-size: 56px;
    color: #000000;
    line-height: 78px;
    text-align: center;
}
.introduction .title span{
    position: relative;
}
.introduction .title span:after{
    content: '';
    position: absolute;
    left: 0;
    bottom: -16px;
    width: 100%;
    height: 12px;
    background: #0354FB;
}
.introduction .content p{
    font-weight: 400;
    font-size: 28px;
    color: #000000;
    line-height: 70px;
    text-align: center;
}
.footer{
    width: 80%;
    margin: auto;
    padding: 26px 125px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #000;
    font-size: 18px;
}
.footer img{
    width: auto;
    height: 66px;
}
.footer a, .footer a:link, .footer a:active{
    color: #000;
    text-decoration: none;
}