.about {
    background: #fafafa;
}

.about .box1 {
    padding: 140px 0 0;
}

.about .box1 .zh {
    font-weight: bold;
    color: #222222;
    line-height: 1;
}

.about .box1 .en {
    font-family: Rany-Bold;
    color: rgba(34, 34, 34, 0);
    line-height: 1;
    text-stroke: 1px #999999;
    -webkit-text-stroke: 1px #999999;
    text-transform: uppercase;
    opacity: .3;
    margin-top: 10px;
}

.about .box1 .box-c {
    position: relative;
    text-align: right;
    z-index: 3;
}

.about .box1 .box-c .text-box {
    display: inline-block;
    text-align: left;
}

.about .box1 .box-c .text-box .text-title {
    font-weight: bold;
    color: #222222;
    line-height: 1.6;
}

.about .box1 .box-c .text-box .text-des {
    font-family: Rany-Bold;
    color: #E6E6E6;
    line-height: 1;
    transform: translateY(50%);
    text-transform: uppercase;
    margin-top: -.3em;
}

.about .box1 .box-b {
    padding-top: 36.45%;
    background-image: url(../img/about-1.jpg);
    background-size: cover;
    background-attachment: fixed;
}

.aboutTitle .zh {
    font-weight: bold;
    font-size: 24px;
    color: #222222;
    line-height: 1;
}

.aboutTitle .en {
    font-family: Rany-Bold;
    font-size: 24px;
    color: #222222;
    line-height: 1;
    text-transform: uppercase;
    margin-top: 12px;
}

.about .box2 {
    padding: 124px 0 134px;
}

.about .box2 .box-c {
    display: flex;
    justify-content: space-between;
}

.about .box2 .box-c .r {
    width: 65.21%;
}

.about .box2 .box-c .r .title {
    font-family: Microsoft YaHei;
    font-weight: 300;
    color: #222222;
    line-height: 1.27;
}

.about .box2 .box-c .r .text-box {
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 30px;
    margin-top: 25px;
}

.about .box2 .box-c .r strong {
    color: rgba(34, 34, 34, 1);
    font-size: 18px;
}

.about .box2 .box-c .r .text-box .text-title {
    font-size: 24px;
    color: rgba(34, 34, 34, 1);
}

.about .box3 {
    padding: 140px 0 107px;
    background-color: RGBA(244, 244, 244, 1);
}

.about .box3 .box-c {
    margin-top: 58px;
}

.about .box3 .box-c li {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.about .box3 .box-c li:not(:last-child) {
    margin-bottom: 60px;
}

.about .box3 .box-c li:nth-child(2n) {
    flex-direction: row-reverse;
}

.about .box3 .box-c li .pic {
    width: 50%;
    border-radius: 10px;
}

.about .box3 .box-c li .text-box {
    flex: 1;
    padding: 0 5.71%;
}

.about .box3 .box-c li .text-title {
    font-family: Microsoft YaHei;
    font-weight: 300;
    color: #222222;
    line-height: 1.66;
}

.about .box3 .box-c li .text-des {
    font-weight: 400;
    font-size: 16px;
    color: #222222;
    line-height: 30px;
    margin-top: 14px;
}

.about .box4 {
    position: relative;
    height: 400vh;
}

.about .box4 .container {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 158px 0 211px;
    background: url(../img/about-4.jpg);
    background-size: cover;
    background-repeat: no-repeat;
    overflow: hidden;
}

.about .box4 .zh,
.about .box4 .en {
    color: #fff;
}

.about .box4 .box-c {
    position: relative;
    margin-top: 70px;
}
.about .box4 .box-c .list{
    position: relative;
    
}
.about .box4 .box-c .list li {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.about .box4 .box-c .list li .pic,
.about .box4 .box-c .list li .text-box{
    /* transform: scale(.94);     */
}
.about .box4 .box-c .list li:nth-child(2){
    transform: translateY(20px);
}
.about .box4 .box-c .list li:nth-child(2) .pic,
.about .box4 .box-c .list li:nth-child(2) .text-box{
    /* transform: scale(.97);      */
}
.about .box4 .box-c .list li:nth-child(3){
    transform: translateY(40px);
}
.about .box4 .box-c .list li:nth-child(4){
    transform: translateY(60px);
}
.about .box4 .box-c .list li:nth-child(5){
    transform: translateY(80px);
}
.about .box4 .box-c .list li:nth-child(6){
    transform: translateY(100px);
}
.about .box4 .box-c .list li:nth-child(6) .pic,
.about .box4 .box-c .list li:nth-child(6) .text-box{
    transform: scale(1);    
}
.about .box4 .box-c .list li .pic {
    width: 32.85%;
    border-radius: 10px;
}

.about .box4 .box-c .list li .pic img {
    height: 100%;
    object-fit: cover;
}

.about .box4 .box-c .list li .text-box {
    width: 66.24%;
    background: #FFFFFF;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 41px 41px 34px;
}

.about .box4 .box-c .list li .number {
    font-family: Rany-Bold;
    color: rgba(34, 34, 34, 0);
    line-height: 1;
    text-stroke: 1px #DDDDDD;
    -webkit-text-stroke: 1px #DDDDDD;
}

.about .box4 .box-c .list li .text {
    font-family: Microsoft YaHei;
    font-weight: 300;
    color: #222222;
    line-height: 1.6;
    margin-top: 25px;
}
.about .box5{
    padding: 140px 0 120px;
    background-color: RGBA(250, 250, 250, 1);
}
.about .box5 .box-c{
    margin-top: 59px;
}
.about .box5 .box-c .swiper-slide{
    width: 23.57%;
}
.about .box5 .box-c .swiper-slide:not(:last-child){
    margin-right: 1.9%;
}
.about .box5 .box-c .swiper-slide .picCover{
    padding-top: 115.15%;
    background: #FFFFFF;
    border-radius: 10px;
}
.about .box5 .box-c .swiper-slide .picCover .pic img{
    max-width: 100%;
    max-height: 100%;
    height: auto;
    width: auto;
}
.about .box5 .box-c .swiper-slide .text{
    font-weight: bold;
    font-size: 18px;
    color: #222222;
    line-height: 30px;
    margin-top: 13px;
    text-align: center;
}
.about .box5 .box-c .btns{
    margin-top: 56px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}
.about .box5 .box-c .btns .btn{
    width: 60px;
line-height: 60px;
background: #EEEEEE;
border-radius: 50%;
text-align: center;
color: #333;
cursor: pointer;
transition: all .6s;
}
.about .box5 .box-c .btns .btn:hover{
    color: #fff;
    background-color: rgba(193, 34, 27, 1);
}
.about .box5 .box-c .btns .btn .iconfont{ 
    font-weight: bold;
}
@media (max-width: 1199px) {
    .about .box4 .container{
        padding: 130px 0;
    }
    .about .box1{
        padding-top: 80px;
    }
    .about .box5,
    .about .box3,
    .about .box2{
        padding: 80px 0;
    }
    .about .box5 .box-c .btns,
    .about .box5 .box-c,
    .about .box4 .box-c,
    .about .box3 .box-c{
        margin-top: 45px;
    }
    .about .box3 .box-c li .text-box{
        padding: 0 3%;
    }
    .about .box3 .box-c li .text-title{
        font-size: 24px;
    }
    .about .box4 .box-c .list li .text{
        font-size: 24px;
    }
}        
@media (max-width: 1024px) {
    .about .box4 .box-c .list li .text-box{
        padding: 30px;
    }
    .about .box4 .box-c .list li .text{
        font-size: 20px;
    }
    .about .box3 .box-c li:not(:last-child){
        margin-bottom: 40px;
    }
    .about .box3 .box-c li .text-title{
        font-size: 22px;
    }
    .about .box4 .container{
        padding: 120px 0;
    }
    .about .box1{
        padding-top: 70px;
    }
    .about .box5,
    .about .box3,
    .about .box2{
        padding: 70px 0;
    }
    .about .box5 .box-c .btns,
    .about .box5 .box-c,
    .about .box4 .box-c,
    .about .box3 .box-c{
        margin-top: 40px;
    }
    .about .box1 .box-b{
        background-attachment: inherit;
    }
    .about .box2 .box-c{
        flex-direction: column;
    }
    .about .box2 .box-c .r{
        width: 100%;
        margin-top: 40px;
    }
    .about .box2 .box-c .r .text-box .text-title{
        font-size: 20px;
    }
    .about .box5 .box-c .btns .btn{
        width: 50px;
        line-height: 50px;
    }
    .about .box5 .box-c .swiper-slide{
        width: 32%;
    }
    .about .box5 .box-c .swiper-slide:not(:last-child){
        margin-right: 2%;
    }
}
@media (max-width: 768px) {
    .about .box5 .box-c .swiper-slide .text{
        font-size: 16px;
    }
    .about .box5 .box-c .swiper-slide{
        width: 48.5%;
    }
    .about .box5 .box-c .swiper-slide:not(:last-child){
        margin-right: 3%;
    }
    .about .box5 .box-c .btns .btn{
        width: 44px;
        line-height: 44px;
    }
    .about .box4 .container{
        height: auto;
    }
    .about .box4{
        height: auto;
    }
    .about .box4 .box-c .list li:not(:last-child){
        margin-bottom: 30px;
    }
    .about .box4 .box-c .list li:nth-child(2),
    .about .box4 .box-c .list li:nth-child(3),
    .about .box4 .box-c .list li{
        position: relative;
        transform: translateY(0);
    }
    .about .box4 .box-c .list li .text-box{
        padding: 24px;
    }
    .about .box4 .box-c .list li .number{
        font-size: 24px;
    }
    .about .box4 .box-c .list li .text{
        font-size: 16px;
        margin-top: 15px;
    }
    .aboutTitle .zh,
    .aboutTitle .en{
        font-size: 22px;
    }
    .about .box3 .box-c li .text-box{
        margin-top: 22px;
        padding: 0;
        flex: none;
        width: 100%;
    }
    .about .box3 .box-c li .pic{
        width: 100%;
    }
    .about .box3 .box-c li:nth-child(2n),
    .about .box3 .box-c li{
        flex-direction: column;
    }
    .about .box3 .box-c li .text-title{
        font-size: 20px;
    }
    .about .box3 .box-c li:not(:last-child){
        margin-bottom: 35px;
    }
    .about .box1 .box-c{
        margin-top: 20px;
    }
    .about .box1{
        padding-top: 60px;
    }
    .about .box4 .container,
    .about .box5,
    .about .box3,
    .about .box2{
        padding: 60px 0;
    }
    .about .box2 .box-c .r,
    .about .box5 .box-c .btns,
    .about .box5 .box-c,
    .about .box4 .box-c,
    .about .box3 .box-c{
        margin-top: 30px;
    }
}
@media (max-width: 500px) {
    .about .box4 .box-c .list li:not(:last-child){
        margin-bottom: 20px;
    }
    /* .about .box4 .box-c .list li .pic,
    .about .box4 .box-c .list li .text-box{
        width: 100%;
    } */
    /* .about .box4 .box-c .list li{
        flex-direction: column;
    } */
    .about .box4 .box-c .list li .number{
        font-size: 20px;
    }
    .about .box4 .box-c .list li .text{
        font-size: 14px;
        margin-top: 10px;
    }
    .about .box4 .box-c .list li .text-box{
        padding: 18px;
    }
    .about .box3 .box-c li .text-box{
        margin-top: 14px;
    }
    .aboutTitle .zh,
    .aboutTitle .en{
        font-size: 20px;
    }
    .about .box3 .box-c li .text-des{
        margin-top: 9px;
    }
    .about .box2 .box-c .r strong{
        font-size: 16px;
    }
    .about .box2 .box-c .r .text-box .text-title{
        font-size: 18px;
    }
    .about .box2 .box-c .r .text-box{
        margin-top: 14px;
        font-size: 14px;
        line-height: 24px;
    }
    .about .box1 .box-c .text-box .text-title{
        font-size: 18px;
    }
    .about .box1 .box-c .text-box{
        text-align: right;
    }
    .about .box1 .box-c{
        margin-top: 15px;
    }
    .about .box1{
        padding-top: 50px;
    }
    .about .box4 .container,
    .about .box5,
    .about .box3,
    .about .box2{
        padding: 50px 0;
    }
    .about .box2 .box-c .r,
    .about .box5 .box-c .btns,
    .about .box5 .box-c,
    .about .box4 .box-c,
    .about .box3 .box-c{
        margin-top: 25px;
    }
}