.product .box1{
    padding: 116px 0 90px;
    background-color: RGBA(247, 247, 247, 1);
    text-align: center;
}
.product .box1 .title{
    font-family: Microsoft YaHei;
    font-weight: 300;
    color: #222222;
    line-height: 1.33;
    text-align: center;
}
.product .box1 .des{
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 24px;
    color: #222222;
    line-height: 1.5;
    margin: 1em auto 0;
    width: 850px;
    max-width: 100%;
    text-align: center;
}
.product .box1 .box-c{
    margin-top: 55px;
}
.product .box1 .box-c .list{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 27px;
}
.product .box1 .box-c .list li{
    background: #FFFFFF;
    border-radius: 5px;
}
.product .box1 .box-c .list li>a{
    display: block;
    min-height: 100%;
    padding: 36px 0 0;
    text-align: center;
}
.product .box1 .box-c .list li .text-box{
    padding: 0 27px;
}
.product .box1 .box-c .list li .text-title{
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 24px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    transition: all .6s;
}
.product .box1 .more:hover,
.product .box1 .box-c .list li:hover .text-title{
    color: rgba(196, 45, 38, 1);
}
.product .box1 .box-c .list li .labels{
    margin-top: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    font-weight: 400;
    font-size: 16px;
    color: #999999;
    line-height: 40px;
    gap: 10px;
}
.product .box1 .box-c .list li .labels .label{
    padding: 0 19px;
    background: #F7F7F7;
    border-radius: 20px;
}
.product .box1 .box-c .list li .picCover{
    padding-top: 82%;
}
.product .box1 .box-c .list li .picCover .pic{
    padding: 9%;
}
.product .box1 .box-c .list li .picCover .imgScale{
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
}
.product .box1 .more{
    display: inline-block;
    margin-top: 57px;
    font-size: 16px;
    color: #999999;
    line-height: 30px;
    cursor: pointer;
    transition: all .6s;
}
.product .box2{
    padding: 120px 0 126px;
    background-image: url(../img/product-box2-bg.jpg);
    background-size: cover;
    text-align: center;
}
.product .box4 .zh,
.product .box4 .en,
.product .box2 .zh,
.product .box2 .en{
    color: #fff;
    text-align: center;
    line-height: 1;
}
.product .box4 .zh,
.product .box2 .zh{
    font-weight: bold;
}
.product .box4 .en,
.product .box2 .en{
    font-family: Rany-Bold;
    font-size: 24px;
    text-transform: uppercase;
    margin-top: .6em;
}
.product .box2 .box-t{
    margin: 67px auto 0;
    display: inline-flex;
    gap: 5px;
    flex-wrap: wrap;
    padding: 5px;
    background: rgba(255, 255, 255, .9);
    border-radius: 35px;
    justify-content: center;
}
.product .box2 .box-t a{
    position: relative;
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 60px;
    padding: 0 40px;
    overflow: hidden;
    transition: all .6s;
    border-radius: 30px;
}
.product .box2 .box-t a:hover{
    color: rgba(193, 34, 27, 1);
}
.product .box2 .box-t a.active{
    color: rgba(255, 255, 255, 1);
}
.product .box2 .box-t a span{
    position: relative;
    z-index: 3;
}
.product .box2 .box-t a:before{
    position: absolute;
    content: "";
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(-30deg, #C1221B, #E95D57);
    opacity: 0;
    transition: all.6s;
}
/* .product .box2 .box-t a:hover:before, */
.product .box2 .box-t a.active:before{
    opacity: 1;
}
.product .box2 .box-c{
    margin-top: 36px;
}
.product .box2 .box-c .list li{
    display: none;
    justify-content: space-between;
    background: #FFFFFF;
    border-radius: 10px;
    overflow: hidden;
}
.product .box2 .box-c .list li.active{
    display: flex;
    animation: fadeInUpSmall .6s ease-in-out forwards;
}
.product .box2 .box-c .list .li-l{
    position: relative;
    width: 56.71%;
    padding: 30px 0 30px 5.21%;
    text-align: left;
    display: flex;
    align-items: center;
}
.product .box2 .box-c .list .li-l .item{
    display: flex;
    font-weight: 400;
    font-size: 18px;
    color: #222222;
    line-height: 30px;
}
.product .box2 .box-c .list .li-l .item:not(:last-child){
    margin-bottom: 30px;
}
.product .box2 .box-c .list .li-l .item-l{
    font-weight: bold;
    width: 120px;
    padding-right: 10px;
}
.product .box2 .box-c .list .li-l .item-r{
    flex: 1;
}
.product .box2 .box-c .list .li-r {
    width: 41.57%;
    transform: translateX(9%)skew(-15deg);
    overflow: hidden;
}
.product .box2 .box-c .list .li-r .pic{
    /* position: absolute; */
    border-radius: 10px;
    /* transform: skew(-15deg); */
    /* width: 100%; */
    height: 100%;
    /* transform: translateX(10%); */
}
.product .box2 .box-c .list .li-r .pic img{
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
    /* transform: scale(1.3); */
}
.product .box3{
    padding: 117px 0 142px;
}
.product .box3 .box-c li{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.product .box3 .box-c li:nth-child(2n){
    flex-direction: row-reverse;
}
.product .box3 .box-c li:not(:last-child){
    margin-bottom: 90px;
}
.product .box3 .box-c li .pic{
    width: 45.71%;
    border-radius: 5px;
}
.product .box3 .box-c li .text-box{
    width: 50%;
}
.product .box3 .box-c li .text-title{
    font-family: Microsoft YaHei;
    font-weight: 300;
}
.product .box3 .box-c li .text-des{
    font-family: Rany-Bold;
    color: #222222;
    line-height: 1;
    margin-top: 10px;
}
.product .box3 .box-c li .text{
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 30px;
    margin-top: 43px;
}
.product .box4{
    position: relative;
    background: RGBA(250, 250, 250, 1);
    height: 300vh;
}
.product .box4 .content1400{
    position: sticky;
    top: 0;
    padding: 113px 0 146px;
}
.product .box4 .zh,
.product .box4 .en{
    color: rgba(34, 34, 34, 1);
}
.product .box4 .box-t{
    margin-top: 63px;
}
.product .box4 .box-t .pic{
    border-radius: 20px;
}
.product .box4 .box-c{
    position: relative;
    margin-top: -108px;
    z-index: 4;
    height: 220px;
}
.product .box4 .box-c .list{
    position: relative;
}
.product .box4 .box-c .list li{
    position: absolute;
    width: 100%;
    background: #F8F8F8;
    text-align: center;
    padding: 60px 0 40px;
    border-radius: 10px;
    opacity: 1;
    transform: translateY(0);
}
.product .box4 .box-c .list li:nth-child(2){
    background: #F4F4F4;
    transform: translateY(20px);
}
.product .box4 .box-c .list li:nth-child(3){
    background: #F0F0F0;
    transform: translateY(40px);
}
.product .box4 .box-c .list li:nth-child(4){
    background: #E9E9E9;
    transform: translateY(60px);
}
.productDetails{
    background: RGBA(250, 250, 250, 1);
}
.productDetails .box1{
    padding-top: 79px;
    text-align: center;
}
.productDetails .box1 .title{
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 1.33;
    color: #222222;
}
.productDetails .box1 .des{
    font-family: Microsoft YaHei;
    font-weight: 300;
    color: #222222;
    line-height: 1.2;
    margin-top: .7em;
}
.productDetails .box1 .pic{
    margin: 30px 0;
}
.productDetails .box1 .pic img{
    max-width: 100%;
    margin: 0 auto;
    display: block;
}
.productDetails .box2 .list{
    display: grid;
    grid-template-columns: repeat(3,1fr);
    gap: 25px;
}
.productDetails .box2 .list li{
    background: RGBA(45, 47, 56, 1);
    border-radius: 10px;
    padding: 37px 34px;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.productDetails .box2 .list li .number{
    font-family: Rany-Bold;
    color: #FFFFFF;
    line-height: 1;
}
.productDetails .box2 .list li .text-box{
    font-weight: bold;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 36px;
    text-align: right;
}
.productDetails .box2 .list li .text-box strong{
    font-family: Rany-Bold;
    /* font-size: 30px; */
    color: #FFFFFF;
    line-height: 1.6;
}
.productDetails .box3{
    margin-top: 78px;
}
.productDetails .box3 .video{
    position: relative;
}
.productDetails .box3 .video video{
    display: block;
    max-width: 100%;
    margin: 0 auto;
    border-radius: 10px;
}
.productDetails .box3 .video .playerBtn{
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    width: 80px;
    height: 80px;
    background: rgba(244, 244, 244, .8);
    border-radius: 50%;
    color: rgba(255, 255, 255, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}
.productDetails .box3 .video .playerBtn .iconfont{
    font-size: 22px;
}
.productDetails .box4{
    margin-top: 110px;
}
.productDetails .box5 .title,
.productDetails .box4 .title{
    font-weight: bold;
    color: #222222;
    line-height: 1;
}
.productDetails .box4 .box-c{
    margin-top: 38px;
}
.productDetails .box4 .box-c table{
    border-collapse: collapse;
    width: 100%;
    font-weight: 400;
    font-size: 16px;
    color: #222222;
    line-height: 30px;
}
.productDetails .box4 .box-c table tr{
    background: rgba(244, 244, 244, 1)
}
.productDetails .box4 .box-c table tr:nth-child(2n){
    background: rgba(238, 238, 238, 1);
}
.productDetails .box4 .box-c table td{
    padding: 10px 49px;
}
.productDetails .box4 .box-c table td:not(:last-child){
    border-right:1px solid RGBA(222, 222, 222, 1)
}
.productDetails .box5{
    padding: 109px 0 178px;
}
.productDetails .box5 .box-c{
    background: #FFFFFF;
    border-radius: 10px;
    padding: 60px;
    margin-top: 70px;
}
.productDetails .box5 .box-c img{
    display: block;
    max-width: 100%;
    margin: 0 auto;
}
@media (max-width:1400px)  {
    .product .box2 .box-t a{
        padding: 0 31px;
    }
    .product .box2 .box-c .list .li-l .item:not(:last-child){
        margin-bottom: 20px;
    }
}
@media (max-width:1280px)  {
    .product .box2 .box-t a{
        padding: 0 31px;
    }
    .product .box2 .box-c .list .li-l .item{
        font-size: 16px;
        line-height: 24px;
    }
    .product .box2 .box-t a{
        font-size: 16px;
    }
    /* .product .box2 .box-c .list .li-l .item:not(:last-child){
        margin-bottom: 20px;
    } */
}
@media (max-width:1199px) {
    .productDetails .box4{
        margin-top: 80px;
    }
    .productDetails .box5{
        padding: 80px 0;
    }
    .productDetails .box5 .box-c{
        margin-top: 45px;
    }
    .product .box4 .content1400,
    .product .box3,
    .product .box2,
    .product .box1{
        padding: 80px 0;
    }
    .product .box4 .box-t,
    .product .box2 .box-t,
    .product .box1 .more,
    .product .box1 .box-c{
        margin-top: 45px;
    }
    .product .box1 .des{
        font-size: 20px;
    }
    .product .box1 .box-c .list li>a{
        padding-top: 26px;
    }
    .product .box3 .box-c li:not(:last-child),
    .product .box3 .box-c li{
        flex-direction: column;
    }
    .product .box3 .box-c li .text-box,
    .product .box3 .box-c li .pic{
        width: 100%;
    }
    .product .box3 .box-c li .text-box{
        margin-top: 30px;
    }
    .product .box3 .box-c li .text{
        margin-top: 31px;
    }
    .product .box3 .box-c li:not(:last-child){
        margin-bottom: 60px;
    }
}
@media (max-width:1024px) {
    .product .box1 .box-c .list{
        grid-template-columns: repeat(3,1fr);
    }
    .product .box4 .content1400,
    .product .box3,
    .product .box2,
    .product .box1{
        padding: 70px 0;
    }
    .product .box4 .box-t,
    .product .box2 .box-t,
    .product .box1 .more,
    .product .box1 .box-c{
        margin-top: 40px;
    }
    .productDetails .box1{
        padding-top: 70px;
    }
    .productDetails .box3,
    .productDetails .box4{
        margin-top: 70px;
    }
    .productDetails .box5{
        padding: 70px 0;
    }
    .productDetails .box5 .box-c{
        margin-top: 40px;
    }
    .productDetails .box2 .list li{
        padding: 30px;
        min-height: 260px;
    }
    .productDetails .box2 .list li .text-box{
        font-size: 16px;
        line-height: 1.6;
    }
    .productDetails .box3 .video .playerBtn{
        width: 60px;
        height: 60px;
    }
    .productDetails .box4 .box-c table td{
        padding: 10px 19px;
    }
    .product .box2 .box-t a{
        background-color: #fff;
        line-height: 50px;
        padding: 0 19px;
    }
    .product .box2 .box-c .list .li-r{
        transform: translateX(13%)skew(-15deg);
    }
}
@media (max-width: 768px) {
    .product .box4 .en, .product .box2 .en{
        font-size: 20px;
    }
    .product .box2 .box-c .list .li-l{
        width: 100%;
        padding: 30px 5.21%;
    }
    .product .box2 .box-c .list .li-r{
        width: 100%;
        transform: translateX(0)skew(0);
    }
    .product .box2 .box-c .list li{
        flex-direction: column;
    }
    .product .box1 .des{
        font-size: 18px;
    }
    .product .box1 .box-c .list{
        grid-template-columns: repeat(2,1fr);
    }
    .product .box4 .content1400,
    .product .box3,
    .product .box2,
    .product .box1{
        padding: 60px 0;
    }
    .product .box4 .box-t,
    .product .box2 .box-t,
    .product .box1 .more,
    .product .box1 .box-c{
        margin-top: 30px;
    }
    .productDetails .box4 .box-c table td:first-child{
        width: 100px;
    }
    .productDetails .box4 .box-c table{
        font-size: 14px;
        line-height: 24px;
    }
    .productDetails .box2 .list{
        grid-template-columns: repeat(2,1fr);
        gap: 17px;
    }
    .productDetails .box1{
        padding-top: 60px;
    }
    .productDetails .box3,
    .productDetails .box4{
        margin-top: 60px;
    }
    .productDetails .box5{
        padding: 60px 0;
    }
    .productDetails .box4 .box-c,
    .productDetails .box5 .box-c{
        margin-top: 30px;
    }
    .product .box2 .box-t{
        border-radius: 10px;
        padding: 15px;
    }
    .product .box2 .box-t a{
        line-height: 45px;
    }
    .product .box4 .box-c .list li{
        position: relative;
    }
    .product .box4 .box-c .list li:not(:last-child){
        margin-bottom: 20px;
    }
    .product .box4 .box-c .list li,
    .product .box4 .box-c .list li:nth-child(1),
    .product .box4 .box-c .list li:nth-child(3),
    .product .box4 .box-c .list li:nth-child(2),
    .product .box4 .box-c .list li:nth-child(4){
        transform: translateY(0);
    }
    .product .box4 .box-c{
        height: auto;
        margin-top: -30px;
    }
    .product .box4 .content1400{
        position: relative;
    }
    .product .box4{
        height: auto;
    }
    .product .box4 .box-c .list li{
        padding: 30px 20px;
        font-size: 20px;
    }
}
@media (max-width: 500px) {
    .product .box4 .box-c{
        margin-top: 25px;
    }
    .product .box4 .box-c .list li{
        padding: 20px;
        font-size: 18px;
    }
    .product .box3 .box-c li .text{
        font-size: 14px;
        line-height: 24px;
    }
    .product .box3 .box-c li:not(:last-child){
        margin-bottom: 40px;
    }
    .product .box3 .box-c li .text-box,
    .product .box3 .box-c li .text{
        margin-top: 20px;
    }
    .product .box2 .box-c .list .li-l .item{
        font-size: 14px;
        line-height: 24px;
    }
    .product .box2 .box-t{
        gap: 10px;
    }
    .product .box2 .box-t a{
        font-size: 14px;
        line-height: 40px;
        padding: 0 10px;
    }
    .product .box1 .box-c .list{
        grid-template-columns: repeat(1,1fr);
    }
    .product .box4 .content1400,
    .product .box3,
    .product .box2,
    .product .box1{
        padding: 50px 0;
    }
    .product .box4 .box-t,
    .product .box2 .box-t,
    .product .box1 .more,
    .product .box1 .box-c{
        margin-top: 25px;
    }
    .productDetails .box4 .box-c table{
        font-size: 12px;
        line-height: 20px;
    }
    .productDetails .box3 .video .playerBtn{
        width: 44px;
        height: 44px;
    }
    .productDetails .box2 .list li .text-box{
        margin-top: 20px;
    }
    .productDetails .box2 .list li{
        min-height: 0;
    }
    .productDetails .box2 .list{
        grid-template-columns: repeat(1,1fr);
    }
    .productDetails .box1 .title{
        font-size: 22px;
    }
    .productDetails .box1{
        padding-top: 50px;
    }
    .productDetails .box3{
        margin-top: 30px;
    }
    .productDetails .box4{
        margin-top: 50px;
    }
    .productDetails .box5{
        padding: 50px 0;
    }
    .productDetails .box4 .box-c,
    .productDetails .box5 .box-c{
        margin-top: 25px;
    }
    .productDetails .box1 .des{
        font-size: 18px;
    }
}