/*
cssi自定义主题颜色
*/
:root{
    --main-zht-color: #FA4744;
}
body{
    box-sizing: border-box;
    overflow: hidden;
}
header{
    width: 100vw;
    height: 4.1667vw;
    background: #000000;
    opacity: 0.6;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 50;
    /* line-height: 4.1667vw; */
}
.brand{
    width: auto;
    height: auto;
    display: flex;
    justify-content: flex-start;
    font-size: 1.0417vw;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 2.5vw;
    position: absolute;
    left: 14.5833vw;
    z-index: 60;
    top: 0.85vw;
}
.brand div{
    width: 2.5vw;
    height: 2.5vw;
    margin-right: 10px;

}
.brand img{
    width: 2.5vw;
    height: 2.5vw;
    vertical-align: bottom;
    border-radius: .5208vw;

}

nav{
    width: auto;
    height: auto;
    font-size: 1.0417vw;
    font-family: SourceHanSansCN-Normal, SourceHanSansCN;
    font-weight: 400;
    color: #FFFFFF;
    position: absolute;
    right: 18.2292vw;
    z-index: 60;
    top: 0.85vw;
    /* line-height: 30px; */
}
nav ul {
    display: flex;
    justify-content: center;
    align-items: center;
}
nav ul li{
    margin-right: 2.6042vw;
    padding: .3125vw .7292vw;
    opacity: 1;
}
nav ul li:hover{
    cursor:pointer
}
nav ul li:last-of-type{
    margin-right: 0;
}
section{
    width: 100vw;
    height: auto;
    position: relative;
    left: 0;
    top: 0;
    /* background-color: #ccc; */
}
section aside{
    width: 100%;
    height: auto;
    /* box-sizing: border-box; */
    /* overflow-x: hidden;
    overflow-y: auto;
    -ms-overflow-style: none; */
}
.main{
    width: 100vw;
    height: 100vh;
}
/* 1111111111111111111111111111111111 */
.mainOne .main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: url(../img/background1.png) no-repeat top / 100% 100%;
}
.mainOne p{
    font-size: 4.1667vw;
    font-family: YouSheBiaoTiHei;
    color: #FFFFFF;
    line-height: 5.4167vw;
}
.mainOne .main div{
    margin-top: 1.9792vw;
}
.mainOne span{
    font-size: 1.875vw;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 2.8125vw;
    margin-right: 5.5208vw;
}
.mainOne span:last-of-type{
    margin-right:0
}



/* 222222222222222222222222222222 */
/* .mainTwo{
    box-sizing: content-box;
} */
.mainTwo .main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: url(../img/background2.png) no-repeat top / 100% 100%;
    /* padding: 2.6042vw 0; */
}
.mainTwo .main .text{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 2.6042vw;
}
.mainTwo .main .text p:first-of-type{
    font-size: 1.875vw;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #333333;
    line-height: 2.8125vw;
}
.mainTwo .main .text p:last-of-type{
    font-size: 1.3542vw;
    font-family: SourceHanSansCN-Normal, SourceHanSansCN;
    font-weight: 400;
    color: #666666;
    line-height: 2.0313vw;
}
.mainTwo .main .img{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    padding-top: 3.6458vw;
}
.mainTwo .main img{
    width: 10.5vw;
    /* height: 20.0625vw; */
    transition: 0.5s;
}
/* .mainTwo .main img:hover{
    width: 12vw;
    height: 22.0625vw;
/* } */
.mainTwo .main img:nth-of-type(2){
    width: 12vw;
    /* height: 20.0625vw; */
}
.mainTwo .main img:first-of-type{
    margin-right: 6.25vw;
}
.mainTwo .main img:last-of-type{
    margin-left: 6.25vw;
}
/* 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1 */
.mainTwo .main-next{
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: url(../img/background3.png) no-repeat top / 100% 100%;
}

.mainTwo .main-next .text{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 8.6042vw;
}
.mainTwo .main-next .text p:first-of-type{
    font-size: 1.875vw;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #fff;
    line-height: 2.8125vw;
}
.mainTwo .main-next .text p:last-of-type{
    font-size: 1.3542vw;
    font-family: SourceHanSansCN-Normal, SourceHanSansCN;
    font-weight: 400;
    color: #fff;
    line-height: 2.0313vw;
}
.mainTwo .main-next .img{
    width: 54.13vw;
    height: 25.28vw;
    display: flex;
    flex-direction: row ;
    justify-content: space-between;
    align-items: center;
    margin-top: 5.7292vw;
    flex-wrap: wrap;
    margin-bottom: 8vw;
}
.mainTwo .main-next img{
    /* margin-top: 5.7292vw; */
    width: 5.8542vw;
    /* height: 7.54vw; */
    margin-right: 9.22vw;
    margin-bottom: 5.25vw;
    transition: 0.5s;
}
.mainTwo .main-next img:nth-of-type(4n){
    margin-right: 0vw
}
.mainTwo .main-next img:nth-of-type(n+5){
    margin-bottom: 0vw
}
/* 33333333333333333333333333 */
.mainThree .main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: url(../img/background2.png) no-repeat top / 100% 100%;
}
.mainThree .main .text{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding-top: 4.6042vw;
}
.mainThree .main .text p:first-of-type{
    font-size: 1.875vw;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #333333;
    line-height: 2.8125vw;
}
.mainThree .main .text p:last-of-type{
    font-size: 1.3542vw;
    font-family: SourceHanSansCN-Normal, SourceHanSansCN;
    font-weight: 400;
    color: #666666;
    line-height: 2.0313vw;
}
.mainThree .main .introduce{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    /* height: 18.4375vw; */
    margin-top: 4.4583vw;
}
.mainThree .introduce div{
    width: 16.75vw;
    height: 16.75vw;
    background: url(../img/juxing.png) no-repeat center / 100% 100%;
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
    padding-top: 2.8646vw;
    transition: 0.5s;
}
.mainThree .introduce div:hover{
    width: 18.75vw;
    height: 18.75vw;
}
.mainThree .introduce div:nth-of-type(2){
    width: 18.75vw;
    height: 18.75vw;
}
.mainThree .introduce img{
    width: 4.375vw;
    height: 4.375vw;
    margin-bottom: .9271vw;
}
.mainThree .introduce div p{
    font-size: 1.3542vw;
    font-family: SourceHanSansCN-Normal, SourceHanSansCN;
    font-weight: 400;
    color: #666666;
    line-height: 2.0313vw;
}
.mainThree .introduce div p:first-of-type{
    margin-bottom: 1.0417vw;
    font-size: 1.3542vw;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #333333;
    line-height: 2.5vw;
}
.mainThree .introduce div p i{
    font-size: 1.6vw;
    font-weight: 600;
    font-style: normal;
}

/* 44444444444444444444444444444444 */

.mainfour .main{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: url(../img/background4.png) no-repeat top / 100% 100%;
}
.mainfour .main .text{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    /* padding-top: 2.6042vw; */
    margin-bottom: 7.1667vw;
}
.mainfour .main .text p:first-of-type{
    font-size: 1.875vw;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #fff;
    line-height: 2.8125vw;
}
.mainfour .main .text p:last-of-type{
    font-size: 1.3542vw;
    font-family: SourceHanSansCN-Normal, SourceHanSansCN;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 2.0313vw;
}

.mainfour span{
    font-size: 1.3542vw;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #333333;
    line-height: 2.0313vw;
    background: #FFFFFF;
    border-radius: 1.0417vw;
    padding: 1.4583vw 1.0417vw;
    margin-right: 2.6042vw;
}
.mainfour span:last-of-type{
    margin-right:0
}
.mainfour .main div:nth-of-type(3){
    margin-top: 10.625vw;
    font-size: 1.875vw;
    font-family: SourceHanSansCN-Normal, SourceHanSansCN;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 2.8125vw;
    width: 100%;
    text-align: center;
}










footer{
    width: 100vw;
    height: 4.1667vw;
    /* border: 3px solid #000000; */
    position: fixed;
    bottom: 0;
    left: 0;
    font-size: 1.5625vw;
    font-family: SourceHanSansCN-Normal, SourceHanSansCN;
    font-weight: 400;
    color: var(--main-zht-color);
    line-height: 2.3438vw;
}

.footer{
    margin-left: 23.2292vw;
    margin-right: 27.2917vw;
    display: flex;
    justify-content: space-between;

}
.footer div{
    display: flex;
    flex-direction: column;
    /* justify-content: center; */
    align-items: center;

}
.footer div:hover{
    cursor:pointer
}
.nav .active{
    background-color: rgba(255, 255, 255, 1);
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: var(--main-zht-color);
    opacity: 1;
    border-radius: 1.0417vw;
}

.footer .active{
    color:#FD96B3;
    font-weight: bold;
}
.footer .active i{
    font-style: normal;
    width: 2.4375vw;
    height: 1.5vw;
    display: inline-block;
    background: url(../img/san.png) no-repeat center / 100% 100%;
    text-align: center;
}