.sec1{
    width: 100%;
    background-size: cover;
}
.sec1 .img{
    width: 100%;
    overflow: hidden;
}
.sec1 img{
    width: 100%;
    transition: 3s;
    transform: scale(1.1);
}
.sec1 .nav{
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translate(-50%,50%);

    width: 1200px;
    height: 110px;
    background: #FFFFFF;
    box-shadow: 0px 10px 33px 7px rgba(0, 0, 0, 0.09);
    border-radius: 20px;
    display: flex;
    justify-content: space-between;
    z-index: 99999999;
}
.sec1 .nav .left{
    margin-left: 39px;
    width: 130px;
    border-right: 1px solid rgba(198, 198, 198, .22);
}
.sec1 .nav .right{
    /*margin-right: 61px;*/
    display: flex;
    width: 860px;
    justify-content: center;
    padding-right: 170px;
}
.sec1 .nav .right a{
    display: block;
    margin-left: 80px;
    display: block;
    cursor: pointer;
    transition: 0.6s;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #000000;
}
.sec1 .nav .right a.sel{
    color: #EA5404;
}
.sec1 .nav .right a:hover{
    color: #EA5404;
}
.sec1 .nav a{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #000000;
    transition: 0.6s;

}
.sec1 .nav a:hover,.sec1 .nav a:hover i{
    color: #EA5404;
}
.sec1 .nav a i{
    font-size: 24px;
    margin-right: 20px;
    transition: 0.6s;
}
.sec2{
    width: 100%;
    overflow: hidden;
}
.sec2-warp{
    width: 1420px;
    margin: 120px auto 190px;
}
.sec2-warp .top{
    display: none;
    padding:0px 102px 0px 54px;
    height: 74px;
    background: #EA5404;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.sec2-warp .top span{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #FFFFFF;
}
.sec2-warp .item{
    display: none;
    width: 100%;
    height: auto;
    border: 1px solid #E4E5DF;
}
.sec2-warp .item .item-top{
    padding:0px 102px 0px 54px;
    height: 74px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.sec2-warp .item .item-top span{
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #000000;
}
.sec2-warp .item .item-bo{
    padding:37px 102px 50px 54px;
    height: auto;
    display: none;
}
.sec2-warp .item .item-bo .bo1{
    margin-bottom: 70px;
}
.sec2-warp .item .item-bo span{
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #000000;
}
.sec2-warp .item .item-bo p{
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #000000;
    margin-top: 25px;
}
.sec2-warp .item .item-bo p strong{
    font-weight: 400;
    font-size: 14px;
    color: #EA5404;
}
.sec2-warp .item .item-top{
    position: relative;
    transition: 1s;
    cursor: pointer;
}
.sec2-warp .item .click{
    width: 64px;
    height: 74px;
    background: #EA5404;
    text-align: center;
    line-height: 74px;
    color: white;
    position: absolute;
    right: 0;
    top: 0;
    opacity: 0;
    transition: 1s;
}
.sec2-warp .item .item-top:hover{
    background: #F6F6F6;
}
.sec2-warp .item .item-top:hover .click{
    opacity: 1;
}
.sec2-warp .item .item-top.sel{
    background: #F6F6F6;
}
.sec2-warp .item .item-top.sel .click{
    opacity: 1;
}
.sec2-warp span{
    display: block;
    width: 100px!important;
}
.sec3{
    width: 100%;
    height: auto;
}
.sec3 .sec3-warp{
    width: 753px;
    height: 753px;
    position: relative;
    margin: auto;
    margin-bottom: 60px;
}
.sec3 .sec3-warp .left{
    position: absolute;
}
.sec3 .sec3-warp .left .item-h{
    width: 139px;
    height: 45px;
    /* background: #F1F5F6; */
    background: #EA5404;
    border-radius: 22px;
    text-align: center;
    line-height: 45px;

    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    /* color: #232323; */
    color: white;
    transition: 1s;
    margin-left: 80%;
    margin-bottom: 27px;
}
.sec3 .sec3-warp .left .item-h:hover{
    color: white;
    /* background: #EA5404; */
}
.sec3 .sec3-warp .left p{
    width: 410px;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #232323;
    line-height: 26px;
}

.sec3 .sec3-warp .right{
    position: absolute;
}
.sec3 .sec3-warp .right .item-h{
    width: 139px;
    height: 45px;
    background: #F1F5F6;
    border-radius: 22px;
    text-align: center;
    line-height: 45px;

    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #232323;
    transition: 1s;
    margin-left: -15%;
    margin-bottom: 27px;
}
.sec3 .sec3-warp .right .item-h:hover{
    color: white;
    background: #EA5404;
}
.sec3 .sec3-warp .right p{
    width: 410px;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #232323;
    line-height: 26px;
}


.cir-big{
    width: 100%;
    height: 100%;
    background-image: url("../images/big-cir.png");
    display: flex;
    align-items: center;
    justify-content: center;
    animation: xz 10s infinite linear;
}
.cir-sm{
    width: 641px;
    height: 641px;
    background-image: url("../images/sm-cir.png");
}
.sec3 .img{
    position: absolute;
    top: 50%;
    left: 50%;
    width: 580px;
    height: 580px;
    transform: translate(-50%,-50%);
}
@keyframes xz {
    100%{
        transform: rotate(360deg);
    }
}
.sec3 .sec3-warp .item:nth-child(1){
    top: 0;
    left: -50%;
}
.sec3 .sec3-warp .item:nth-child(2){
    top: 45%;
    left: -64%;
}
.sec3 .sec3-warp .item:nth-child(3){
    top: 90%;
    left: -50%;
}
.sec3 .sec3-warp .item:nth-child(4){
    top: 0;
    right: -50%;
}
.sec3 .sec3-warp .item:nth-child(5){
    top: 45%;
    right: -64%;
}
.sec3 .sec3-warp .item:nth-child(6){
    top: 90%;
    right: -50%;
}
@media screen and (max-width: 1768px){
    .sec3 .sec3-warp {
        transform:scale(0.9);
    }
}
@media screen and (max-width: 1680px){
    .sec3 .sec3-warp {
        transform:scale(0.8);
    }
}
@media screen and (max-width: 1440px){
    .sec3 .sec3-warp {
        transform:scale(0.75);
    }
}
@media screen and (max-width: 1366px){
    .sec3 .sec3-warp {
        transform:scale(0.7);
    }
}
@media screen and (max-width: 768px){
    .sec3 {
        margin-top: 80px;
    }
    .sec3 .sec3-warp .left {
        position: static;
        display: flex;
        align-items: center;
        margin-bottom: 20px;
    }
    .sec3 .sec3-warp .left .item-h {
        margin: 0;
        margin-right: 5px;
    }
    .cir-big {
        display: none;
    }
    .sec3 .sec3-warp {
        width: 90%;
        margin: 20px auto 0;
        transform: scale(1);
    }
    .sec2 {
        display: none;
    }
    .sec3 .img {
        width: 100%;
        height: auto;
        position: static;
        transform: unset;
    }
    .sec3 .img img {
        width: 100%;
    }
    .sec1 {
        display: none;
    }
}