.part1 {
  display: flex;
  justify-content: space-between;
  padding: 1.84rem 0 1.13rem;
}
.white{
  width: 100%;
  background-color: #fff;
  overflow: hidden;
}
.part1 .left {
  width: 4.3rem;
}

.aboutTitle {
  font-family: Poppins-Bold;
  font-weight: bold;
  font-size: 0.84rem;
  color: #000000;
  margin-top: 1rem;
}

.aboutDecs {
  font-family: Douyin Sans;
  font-weight: bold;
  font-size: 0.24rem;
  color: #000000;
  margin-top: 0.15rem;
}

.aboutContent {
  width: 100%;
  margin-top: 0.62rem;
  overflow: hidden;
}

.aboutIcon {
  width: 0.18rem;
  height: 0.18rem;
  border-top: 3px solid #000;
  border-left: 3px solid #000;
}

.aboutContent > p {
  font-family: Source Han Sans CN-Light;
  font-weight: 300;
  font-size: 0.18rem;
  color: #28282b;
  line-height: 0.4rem;
  width: 3.85rem;
  margin: 0 auto;
}
.aboutIcon2 {
  width: 0.18rem;
  height: 0.18rem;
  border-right: 3px solid #000;
  border-bottom: 3px solid #000;
  float: right;
}

.part1 .right {
  width: 5.79rem;
  height: 7.83rem;
  position: relative;
}

.part1 .imgBox {
  width: 5.54rem;
  height: 7.6rem;
  margin-left: 0.25rem;
  margin-top: 0.25rem;
  position: relative;
}

.imgBox > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.part1 .right .border {
  width: 5.54rem;
  height: 7.6rem;
  border: 2px solid #000000;
  position: absolute;
  left: 0;
  top: 0;
}

.part1 .right .logo3 {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 3.36rem;
  height: 2.46rem;
  object-fit: contain;
}

.part2 {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}
.part2 > video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.videoFixed{
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100vh;
  z-index: -1;
}
.videoFixed > video{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.part3 {
  padding: 1.34rem 0 0;
}

.part3 > .top {
  width: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.part3 .top .left {
  width: 5.58rem;
  height: 7.76rem;
  object-fit: cover;
  display: block;
}

.part3 .top .right {
  width: 9.72rem;
  margin-left: -1.59rem;
  padding: 1.11rem 0.96rem 1.11rem 2.52rem;
  border-top: 2px solid #000;
  border-bottom: 2px solid #000;
}

.part3 .right p {
  font-family: Source Han Sans CN-Light;
  font-weight: 300;
  font-size: 0.18rem;
  color: #000000;
  line-height: 0.4rem;
}

.part3 .list {
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 1.93rem;
  margin-top: 0.39rem;
}

.part3 .item {
  display: flex;
  justify-content: center;
  flex-direction: column;
}
.aboutIcon3 {
  width: 0.65rem;
  height: 0.65rem;
  object-fit: contain;
  margin: 0 auto;
}
.part3 .item > p {
  font-family: Source Han Sans CN-Light;
  font-weight: 400;
  font-size: 0.2rem;
  color: #000000;
  margin-top: 0.16rem;
}
.logoScroll {
  width: 100%;
  height: 0.56rem !important;
  /* padding: 1rem 0; */
  margin: 1rem 0;
  position: relative;
  overflow: hidden;
}
.logoScroll .str_move {
  display: flex;
  align-items: start;
  justify-content: flex-start;
  white-space: nowrap;
  position: absolute;
  top: 0;
  left: 0;
  cursor: move;
  gap: 0.73rem;
}
.logoItem {
  width: 2.6rem;
  height: 0.56rem;
}
.logoItem > img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.part4 {
  display: flex;
  padding-bottom: 1.44rem;
}

.part4 .left {
  width: 4.98rem;
  margin-left: 0.98rem;
  padding-top: 1.4rem;
}
.part4 .tit {
  text-align: right;
  font-family: Douyin Sans;
  font-weight: bold;
  font-size: 0.34rem;
  color: #28282b;
  line-height: 0.4rem;
}
.part4 .txt1 {
  font-family: Source Han Sans CN;
  font-weight: 300;
  font-size: 0.18rem;
  color: #707070;
  line-height: 0.4rem;
  margin-top: 0.39rem;
}
.aboutSwiper {
  width: 100%;
  overflow: hidden;
}
.swiperNav {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.75rem;
  gap: 0.04rem;
}

.aboutPrev,
.aboutNext {
  width: 0.69rem;
  height: 0.69rem;
  object-fit: contain;
  display: block;
  cursor: pointer;
}
.aboutPrev {
  transform: rotate(-180deg);
}
.aboutPrev.swiper-button-disabled,
.aboutNext.swiper-button-disabled {
  opacity: 0.3;
}
.part4 .center {
  width: 3.43rem;
  height: 5.73rem;
  object-fit: cover;
  margin-left: 0.88rem;
  margin-top: 1.4rem;
}

.part4 .right {
  width: 3.43rem;
  height: 5.73rem;
  object-fit: cover;
  margin-left: 0.3rem;
}

.part5 {
  width: 100%;
  overflow: hidden;
  display: flex;
}
.part5 .item {
  width: 25%;
  height: 6.92rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #000;
  background-size: cover;
}

.part5 .item:nth-child(1){
    background-image: url(../img/aboutimg5.png);
}
.part5 .item:nth-child(2){
    background-image: url(../img/aboutimg6.png);
}
.part5 .item:nth-child(3){
    background-image: url(../img/aboutimg7.png);
}
.part5 .item:nth-child(4){
    background-image: url(../img/aboutimg8.png);
}

.part5 .item:hover .icon{
    transform: translateY(0.4rem);
}

.part5 .item:hover .txt1{
    transform: translateY(-0.4rem);
}

.part5 .item .icon {
  width: 1rem;
  height: 1rem;
  display: block;
  transition: all 0.6s;
}

.part5 .item .txt1 {
  text-align: center;
  margin-top: 1.39rem;
  font-family: Source Han Sans CN;
  font-weight: 400;
  font-size: 0.24rem;
  color: #ffffff;
  padding-bottom: 0.38rem;
  position: relative;
  transition: all 0.6s;
}

.part5 .item .txt1::after{
    content: '';
    width: 0.85rem;
    height: 0.04rem;
    background-color: #fff;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 0;
}










@media only screen and (max-width:1042px) {
    .banner,
    .nav_class2{
        display: none;
    }
    
    
    
    .part1{
        display: block;
        padding: 10px;
    }
    .part1 .left{
        width: 100%;
    }
    .aboutTitle{
        font-size: 26px;
        margin-top: 40px;
    }
    .aboutDecs{
        font-size: 20px;
        margin-top: 10px;
    }
    .aboutContent{
    margin-top: 30px;
    }
    .aboutContent > p{
        font-size: 16px;
        line-height: 1.6;
        width: 94%;
    }
    .part1 .right{
        width: 100%;
        height: auto;
        display: flex;
        justify-content: center;
        margin: 30px 0px;
    }
    
    
    
    .part2{
        height: 50vh;
    }
    
    
    
    .part3 .top .right{
        width: 100%;
        padding: 20px;
        margin: -140px auto 0;
        background: rgba(255,255,255,0.5);
        backdrop-filter: blur(6px);
    }
    .part3 .top .left{
        width: 100%;
        height: auto;
        padding: 0;
    }
    .part3 .right p{
        font-size: 16px;
        line-height: 1.5;
    }
    
    .part3 .list{
        justify-content: space-between;
        gap: 0;
    }
    .part3 .item{
        width: 30%;
    }
    .part3 .item > p{
        font-size: 14px;
        text-align: center;
    }
    
    
    
    
    
     .part4 .left{
        width: 50%;
        margin-left: 0;
        padding-top: 60px;
        padding-top: 0;
    }
    .part4 .txt1{
        font-size: 14px;
        margin-top: 10px;
    }
    
    .swiperNav{
        margin-top: 10px;
        gap: 10px;
    }
    .aboutPrev, .aboutNext{
        width: 30px;
        height: 30px;
    }
    
    .part4 .center{
        width: 22%;
        height: 330px;
        margin-left: 10px;
        margin-top: 60px;
    }
    
    .part4 .right{
        width: 22%;
        height: 330px;
        margin-left: 10px;
    }
    
    
    
    .part5{
        flex-wrap: wrap;
    }
    .part5 .item{
        height: 5rem;
        width: 50%;
    }
    .part5 .item .icon{
        width: 60px;
        height: 60px;
    }
    .part5 .item .txt1{
        margin-top: 65px;
        font-size: 18px;
    }
}