.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%;
    height: 965px;
    background-size: cover;
    overflow: hidden;
}

.sec2 .top{
    margin-top: 115px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    z-index: 9999;
}

.item__{
    width: 718px;
    margin-right: 116px;
}
.item__ .swiper{
    width: 100%;
    height: 140px;
}
.item__ .swiper .swiper-slide{
    height: 70px;
}
.sec2 .sec2-sw .swiper .swiper-slide .item img{
	border-radius: 15px;
	
}
.item__ .swiper .item__active .item{
    background: #EA5404;
}
.item__ .swiper .item__active .item span{
    color: #fff;
}
.sec2 .top .item{
    width: 85%;
    height: 39px;
    border: 1px solid #EA5404;
    border-radius: 20px;
    position: revert;
    text-align: center;
    line-height: 39px;
    transition: 0.6s;
    /*margin-right: 116px;*/
    /*margin-right: 116px;*/
    cursor: pointer;
    margin: 0 0 25px;
}
.sec2 .top .item:last-child{
    margin-right: 0;
}
.sec2 .top .item span{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #000000;
    transition: 0.6s;
}
.sec2 .top .img{
    cursor: pointer;
}
.sec2 .top .item.sel{
    background: #EA5404;
}.sec2 .top .item.sel span{
     color: white;
 }
.sec2 .top .item:hover{
    background: #EA5404;
}
.sec2 .top .item:hover span{
    color: white;
}
.sec2 .top .flx{
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-58%,15px);
    width: 812px;
    height: 282px;
    background: #FFFFFF;
    box-shadow: 0px 8px 12px 1px rgba(0, 0, 0, 0.19);
    border-radius: 10px;
    display: none;
}
.sec2 .top .flx .fix1{
    width: 100%;
    height: 100%;
    padding-top: 50px;
}
.sec2 .top .flx .fix1 .flxa{
    display: flex;
    flex-wrap: wrap;
}
.sec2 .top .flx .fix1 .flxa a{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #000000;
    transition: 0.6s;
    display: block;
    height: 60px;
    line-height: 40px;
    margin: 0 70px;
    min-width: 128px;
}
.sec2 .top .flx .fix1 .flxa .active{
    color: #EA5404;
}
.sec2 .top .flx .fix1 .flxa a:hover{
    color: #EA5404;
}
.sec2 .top .flx .fix1 .flxa a.sel{
    color: #EA5404;
}
.sec2 .sec2-sw{
    width: 100%;
    margin-top: 39px;
}
.sec2 .sec2-sw .swiper{
    width: 100%;
    height: 720px;
}
.sec2 .sec2-sw .swiper .swiper-slide{
    display: flex;
    align-items: center;
    justify-content: center;
}
.sec2 .sec2-sw .swiper .swiper-slide .item{
    display: flex;
    flex-direction: column;
    text-align: center;
    transition: 1s;
    font-size: 30px;
}
.sec2 .sec2-s .swiper .swiper-slide .item .span span{
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: 700;
    color: #000000;
    transition: 1s;
}
.sec2 .sec2-s .swiper .swiper-slide .item p{
    font-size: 30px;
    font-family: Nexa Text-Trial;
    font-weight: 400;
    color: #3C3C3C;
    margin-top: 18px;
    transition: 1s;
   opacity: 0;
}
.sec2 .sec2-s .swiper .swiper-slide-active .item{
    transform: scale(1.1);
}
.sec2 .sec2-s .swiper .swiper-slide-active .item p{
    opacity: 1;
}
.sec2 .sec2-s .swiper .swiper-slide-active .item span{
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #000000;
}
.sec3{
    overflow: hidden;
}
.sec3-warp{
    margin: 98px auto 80px;
    width: 1655px;
}
.sec3-warp>p{
    width: 1539px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #000000;
    line-height: 48px;
    text-align: center;
    margin-bottom: 152px;
}
.sec3-warp .sec3-div{
    width: 100%;
}
.sec3-warp .sec3-div .top{
    text-align: center;
    width: 100%;
}
.sec3-warp .sec3-div .top span{
    font-size: 24px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #000000;
}
.sec3-warp .sec3-div .top p{
    font-size: 16px;
    font-family: Nexa Text-Trial;
    font-weight: 400;
    color: #3C3C3C;
    margin-top: 18px;
}
.sec3-warp .sec3-div .middle{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    height: auto;
    margin-top: 72px;
}
.sec3-warp .sec3-div .middle .item{
    cursor: pointer;
    position: relative;
    transition: 0.6s;
    margin-right: 130px;
    margin-bottom: 100px;
}
.sec3-warp .sec3-div .middle .item:nth-child(3n){
    margin-right: 0px;
}
.sec3-warp .sec3-div .middle .img{
    width: 458px;
    height: 386px;
}
.sec3-warp .sec3-div .middle .img img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.sec3-warp .sec3-div .middle .item .text{
    position: absolute;
    top: 70%;
    left: 50%;
    transform: translate(-50%,-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: 1s;
    opacity: 0;
}
.sec3-warp .sec3-div .middle .item .text p{
    margin-bottom: 36px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 500;
    color: #FFFFFF;
}
.sec3-warp .sec3-div .middle .item .text a{
    display: block;
    width: 95px;
    height: 24px;
    border: 1px solid #FFFFFF;
    border-radius: 10px;

    font-size: 12px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #FFFFFF;
    text-align: center;
    line-height: 24px;
}
.sec3-warp .sec3-div .middle .big{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    transition: 1s;
    background: rgba(234, 84, 4, 0);
}
.sec3-warp .sec3-div .middle .item:hover .big{
    background: rgba(234, 84, 4, .8);
}
.sec3-warp .sec3-div .middle .item:hover .text{
    opacity: 1;
    top: 50%;
}
@media screen and (max-width: 1800px){
    .sec3-warp {
        width: 90%;
    }
    .sec3-warp>p{
        width: 100%;
    }
    .sec3-warp .sec3-div .middle {
        justify-content: space-between;
    }
    .sec3-warp .sec3-div .middle .item {
        width: 30%;
        margin-right: 0;
    }
    .sec3-warp .sec3-div .middle .img {
        width: 100%;
        height: auto;
    }
    .sec2 .sec2-sw .swiper .swiper-slide .item {
        width: 100%;
    }
    .sec2 .sec2-sw .swiper .swiper-slide .item img {
        width: 100%;
    }
}
@media screen and (max-width: 768px){
    .sec1 {
        margin-top: 80px;
    }
    .sec1 .nav .right {
        padding: 0;
    }
    .sec1 .nav .right a {
        margin: 0;
        width: 40%;
    }
    .sec1 .nav {
        width: 90%;
        height: 70px;
    }
    .sec1 .nav a {
        font-size: 14px;
    }
    .sec3-warp .sec3-div .middle {
        flex-direction: column;
    }
    .sec3-warp .sec3-div .middle .item {
        width: 100%;
    }
    .sec2 .top {
        width: 90%;
        margin: 115px auto 0;
    }
    .item__ {
        width: 100%;
        margin-right: 0;
    }
    .sec2 .top .flx {
        width: 100%;
        overflow: auto;
        transform:translate(-50%,10%);
    }
    .sec2 .sec2-sw {
        width: 90%;
        margin: auto;
    }
    .sec2 .sec2-sw .swiper .swiper-slide .item {
        font-size: 24px;
    }
    .sec2 {
        height: auto;
    }
    .sec2 .sec2-sw .swiper {
        margin: 50px auto ;
        height: auto;
    }
}