.header {
    width: 100%;
    height: 960px;
    background-image: url(/style/image/banner.png);
    background-size: cover;
    background-repeat: no-repeat;
        position: relative;
}

.top {
    display: flex;
    justify-content: space-around;
  width: 75%;
    height: 78px;
    padding-top: 15px;
    margin: 0 auto;

}
.top{
    position: fixed;

    top: 0;

    left: 12.5%;

 

    z-index: 30;

    transition: all .3s;
}


.top .logo {
    width: 277px;
    height: 78px;

}

.top .logo img {
    width: 277px;
    height: 78px;

}

.top .nav-con {
    width: 900px;
    display: flex;
    justify-content: space-around;
    margin-left: 100px;
    margin-top: 25px;
}

.top .nav-con .nav {
    width: 90px;
    height: 32px;
    line-height: 32px;
    cursor: pointer;
    font-size: 17px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    text-align: center;
}

.top .nav-con a {
    background: transparent;
    text-decoration: none;
    color: white;
}
.top .nav-con .active {
    background: #FFFFFF;
    font-size: 17px;
    font-family: PingFang SC;
    font-weight: bold; 
    border-radius: 16px;
}
.top .nav-con .active a{
    color: #1C4EAD !important;
}

.top .nav-con .tit{
    color: #1C4EAD !important;
}


.lang {
    line-height: 68px;
    float: right;
    text-align: right;
    width: 650px;
}

.top .lang p {
    font-size: 15px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    cursor: pointer;
}

.img-con {
    width: 75%;
    height: 70px;
    margin: 0px auto;
}

/* .img-con ul {
    list-style: none;
} */

.img-con ul li {
    display: inline-block;
    width: 24%;
    text-align: center;
    line-height: 70px;
    cursor: pointer;
    color: #333333;
}

.img-con ul li:hover {
    color: #2051AE;
}

.liActive {
    color: #2051AE !important;
    border-top: 3px solid #2051AE;
}

.group {
    width: 75%;
    background-size: cover;
    background-image: url(../style/image/zcdb.png);
    margin: 50px auto 0px auto;
}

.group-top {
    width: 100%;
    display: flex;
    justify-content: space-between;
}

.group-top .group-left {
    width: 65%;
}

.group  h2 {
    font-size: 38px;
    font-family: PingFangSC;
    font-weight: 500;
    color: #333333;
    line-height: 60px;
}

.dsz {
    text-align: right;
    margin-top: 60px;
}

.group-top .group-left .enName {
    font-size: 20px;
    font-family: PingFangSC;
    font-weight: 500;
    color: #999999;
    line-height: 36px;
    margin-top: 20px;
}

.group-top .group-left .group-content {
    margin-top: 40px;
}

.group-top .group-left p {
    text-indent: 2em;
    font-size: 22px;
    font-family: Adobe Heiti Std;
    font-weight: normal;
    color: #333333;
    line-height: 30px;
    margin-bottom: 32px;
}

.group-top .group-right {
    width: 32%;
}
.group-top .group-right img{
    width: 100%;
    height: 100%;
    object-fit:cover;
}
.index-down {
    width: 100%;
    height: 580px;
    background: #2051AE;
    border-radius: 0px;
    padding-top: 120px;
}

.index-down .down-top {
    max-width: 1600px;
    height: 200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}

.index-down .down-top .down-list {
    width: 20%;
}

.index-down .down-top .down-list .down-1 {
    height: 50px;
    width: 100%;
    font-size: 26px;
    font-family: PingFang SC;
    font-weight: bold;
    color: #FFFFFF;
    cursor: pointer;
    line-height: 14px;
}

.index-down .down-top .down-list .down-2 p {
    height: 30px;
    width: 100%;
    cursor: pointer;
    font-size: 18px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 30px;
}

.down-bottom {
    display: flex;
    /*justify-content: space-between;*/
    /* align-items: center; */
    max-width: 1600px;
    height: 150px;
    margin: 100px auto 100px auto;
}

.down-bottom .left {
    color: #FFFFFF;
    width: 43%;
    display: flex;
    flex-direction: column-reverse;
}

.down-bottom .left .leftOne {
    font-size: 20px;
    font-family: PingFangSC;
    font-weight: bold;
    margin-bottom: 12px;
    line-height: 36px;

}

.down-bottom .left .leftTwo {
    font-size: 14px;
    font-family: PingFangSC;
    font-weight: 500;

}

.down-bottom .left .leftThree {
    font-size: 14px;
    font-family: PingFangSC;
    font-weight: 500;

}

.down-bottom .right {
    color: #FFFFFF;
    width: 60%;
    display: flex;
}

.down-bottom .right .rightOne {
    display: flex;
    flex-direction: column-reverse;
}

.down-bottom .right .rightOne .rightOneTop {
    font-size: 20px;
    font-family: PingFangSC;
    font-weight: bold;
    margin-bottom: 24px;
    line-height: 36px;
    text-align: center;

}

.down-bottom .right .rightOne .rightOneBottom {
    padding: 10px 0;
    width: 175px;


}

.down-bottom .right .rightOne .rightOneBottom .imgs {
    margin: 0 10px;


}

.down-bottom .right .rightTwo {
    display: flex;
}

.down-bottom .right .rightTwo .rightewm {
    margin: 0 25px;
}

/*.down-bottom .right .rightTwo .rightewm .namea {*/
/*    text-align: center;*/
/*    font-size: 16px;*/
/*    font-family: PingFangSC;*/
/*    font-weight: 500;*/
/*    color: #FFFFFF;*/
/*    line-height: 31px;*/
/*    margin-bottom: 20px;*/
/*}*/

/*.down-bottom .right .rightTwo .rightewm .rightImg:hover {*/
/*    width: 155px;*/
/*    height: 155px;*/
/*    border: 1px solid #FFFFFF;*/
/*    border-radius: 15px;*/
/*    text-align: center;*/
/*    line-height: 155px;*/
/*}*/

.down-bottom .right .rightTwo img {
    width: 119px;
    height: 119px;
}
.down-bottom .right .rightTwo {
    display: flex;
    position: relative;
   
}
.down-bottom .right .rightTwo .rightImg {
    display: block;
    position: relative;
}
.down-bottom .right .rightTwo .rightImg:before{

    content: "";

    position: absolute;

    left: 0;

    top: 0;

    width: 100%;

    height: 100%;
    box-sizing: border-box;

    opacity: 0;

    filter: alpha(opacity=0);

    transition: all .3s;

    z-index: 3;

}
.down-bottom .rightImg:hover img{
    transform: scale(1.1);
}
.down-bottom .rightImg:hover:before{
    opacity: 1;
    filter: alpha(opacity=100);
}

.down-bottom .right .rightTwo .rightewm {
    margin: 0 40px;
}

.down-bottom .right .rightTwo .rightewm .namea {
    text-align: center;
    font-size: 16px;
    font-family: PingFangSC;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 31px;
    margin-bottom: 10px;
}
.down-bottom .right .rightTwo .rightewm .nameas {
    text-align: center;
    font-size: 7px;
    font-family: PingFang SC;
    font-weight: 500;
    color: #FEFEFE;
    line-height: 30px;
    /*margin-bottom: 20px;*/
}