.banner{
  display: none;
}
.column{
  position: relative;
  overflow: hidden;
}
.column  p{
  font-size: 18px;
  font-weight:normal;
  color: #84898E;
  line-height: 2;
  margin-bottom: 20px;
}
.button-next:after,
.button-prev:after{
  font-family: swiper-icons;
  font-size: var(--swiper-navigation-size);
  text-transform: none!important;
  letter-spacing: 0;
  text-transform: none;
  font-variant: initial;
  line-height: 1;
  --swiper-navigation-size: 15px;
  position: absolute;
  left: 50%;
  top: 50%;
  margin-top: -7px;
  margin-left: -4px;
}
.column h2{
  font-size:40px;
  /*font-weight:600;*/
  color: #000;
  line-height: normal;
}
.column1{
  height: 100vh;
}
.column1 .column-stage{
  float: left;
  width: 100%;
  background: #000;
}
.column2 .column-stage video,
.column1 .column-stage video {
  visibility: visible;
  margin:0 auto;
  width:100%;
  height: 100%;
  object-fit: cover
}
.column1 .column-slogan{
  position: absolute;
  width: 100%;
  text-align: center;
  color: #fff;
  z-index: 1;
  top: 50%;
  margin-top: -100px;
  padding-top: 65px;
}
.column1 .column-slogan > h1{
  margin-bottom: 34px;
}

.column1 .column-slogan > h2{
  font-size:52px;
  font-weight:600;
  color: #fff;
  line-height: normal;
  margin-bottom: 34px;
  opacity: 0.8;
}



.column2{
  height: 744px;
  overflow: hidden;
}
.column2 .column-stage {
  float: left;
  width: 100%;
  height: 100%;
}
.column2 .column-slogan{
  position: absolute;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  text-align: right;
  width: 50%;
  min-width: 960px;
  color: #fff;
  height: 100%;
  z-index: 1;
  top: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
.column2 .column-slogan > div{
  display: inline-block;
  width: 60%;
  text-align: left;
}

.column2 .column-slogan > div > h2{
  margin-bottom: 13px;
}
.column2 .column-slogan > div > p{

}



.column3{
  color: #fff;
  padding: 80px 0;
}
.column3 ul.tab{
  display: flex;
  justify-content: center;
  margin-bottom: 100px;
}
.column3 ul.tab > li{
  margin: 0 20px;
  padding: 5px 15px;
  cursor: pointer;
}
.column3 ul.tab > li h2{
  font-size: 18px;
  /*font-weight: 500;*/
  color: #6D7278;
  font-weight: 600;
}
.column3 ul.tab > li.active h2,
.column3 ul.tab > li:hover h2{
  color: #000000;

}
.column3 .content{
  display: none;
  justify-content: center;
  align-items: center;
}
.column3 .content.active{
  display: flex;
}
.column3 .content .column-stage{
  position: relative;
}
.column3 .content .column-slogan{
  width: 452px;
  margin-right: 20px;
}
.column3 .content .column-slogan>h2{
  margin-bottom: 13px;
}
.column3 .content .column-slogan>p{
  margin-bottom: 57px;
}
.column3 .content .column-slogan>ul{
  display: flex;
  flex-wrap: wrap;
}
.column3 .content .column-slogan>ul>li{
  margin-bottom: 28px;
  width: 50%;
  flex:1 auto;
  flex-wrap: wrap;
}
.column3 .content .column-slogan>ul>li>img{
  vertical-align: middle;
  margin-right: 7px;
}
.column3 .content .column-slogan>ul>li>span{
  font-size: 16px;
  font-weight: 500;
  color: #000000;
  white-space: nowrap;
}
.column3 .content .column-slogan a{
  font-size: 16px;
  font-weight: 500;
  color: #F7B500;
}

.column4{
  padding: 100px 0;
  background: url("/v4/images/index/column4.png") no-repeat;
  background-size: cover;
}
.column4 .inner{
  position: relative;
}
.column4 h2{
  margin-bottom: 10px;
}
.column4 .swiper-container .column-slogan>.line{
  display: inline-block;
  width: 60px;
  border-top: 2px #DCDCDC solid;
}
.column4 .logo-list.swiper-pagination-clickable{
  position: absolute;
  bottom: 60px;
  left: 0;
  z-index: 1;
  margin-left: -24px;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet{
  width: 96px;
  height: 44px;
  display: inline-block;
  border-radius: 0;
  background: transparent;
  opacity: 1;
  margin-right: 20px;
  /*border: 1px #eee solid;*/
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet[aria-label='Go to slide 1']{
  background: url("/v4/images/index/column4-1.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet[aria-label='Go to slide 2']{
  background: url("/v4/images/index/column4-2.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet[aria-label='Go to slide 3']{
  background: url("/v4/images/index/column4-3.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet[aria-label='Go to slide 4']{
  background: url("/v4/images/index/column4-4.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet[aria-label='Go to slide 5']{
  background: url("/v4/images/index/column4-5.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet.swiper-pagination-bullet-active[aria-label='Go to slide 1']{
  background: url("/v4/images/index/column4-1-active.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet.swiper-pagination-bullet-active[aria-label='Go to slide 2']{
  background: url("/v4/images/index/column4-2-active.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet.swiper-pagination-bullet-active[aria-label='Go to slide 3']{
  background: url("/v4/images/index/column4-3-active.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet.swiper-pagination-bullet-active[aria-label='Go to slide 4']{
  background: url("/v4/images/index/column4-4-active.png") no-repeat;
  background-size: cover;
}
.column4 .logo-list.swiper-pagination-clickable .swiper-pagination-bullet.swiper-pagination-bullet-active[aria-label='Go to slide 5']{
  background: url("/v4/images/index/column4-5-active.png") no-repeat;
  background-size: cover;
}
.swiper-container-fade .swiper-slide, .swiper-container-fade .swiper-slide .swiper-slide {
  opacity: 0!important;
}
.swiper-container-fade .swiper-slide-active, .swiper-container-fade .swiper-slide-active .swiper-slide-active {
  opacity: 1!important;
}

.column4 .swiper-container .swiper-slide{
  display: flex;
  justify-content: center;
}
.column4 .swiper-container .swiper-slide .column-slogan{
  margin-right: 160px;
}
.column4 .swiper-container .swiper-slide .column-stage{
  width: 327px;
  height: 396px;
  flex-shrink: 0;
}
.column4 .swiper-container .swiper-slide .column-stage>img{
  width: 100%;
  height: auto;
}
.column4 .button{
  position: absolute;
  bottom: 0px;
  right: -50px;
  display: flex;
  color: #D2D2D2;
  z-index: 1;
}
.column4 .button .button-prev{
  margin-right: 1px;
}
.column4 .button .button-prev,
.column4 .button .button-next{
  display: inline-block;
  width: 50px;
  height: 50px;
  background: #F6F6F6;
  cursor: pointer;
  position: relative;
}
.column4 .button .button-next{
  background: #1F6CEE;
}
.column4 .button .button-prev:hover,
.column4 .button .button-next:hover{
  color: #fff;
  background: #1F6CEE;
}
.column4 .button .button-prev.swiper-button-disabled,
.column4 .button .button-next.swiper-button-disabled{
  opacity: .5;
  cursor: auto;
  pointer-events: none;
}
.column4 .button .button-next:after{
  content: 'next';
}
.column4 .button .button-prev:after{
  content: 'prev';
}

.column5{
  display: flex;
  justify-content: flex-start;
  padding: 128px 0 160px;
  background: url("/v4/images/index/column5.png") no-repeat;
  background-size: cover;
}
.column5 .column-stage{
  width: 450px;
  margin-right: 50px;
  flex-shrink: 0;
  display: flex;
  justify-content: flex-end;
}
.column5 .column-stage h2{
  width: 50px;
}
.column5 .column-slogan{
  flex: 1;
  overflow: hidden;
}
.column5 .column-slogan .more{
  position: absolute;
  top: 60px;
  right: 380px;
}

.column5 .column-slogan .button{
  position: absolute;
  bottom: 89px;
  right: 300px;
  display: flex;
  color: #D2D2D2;
}
.column5 .column-slogan .button .button-prev{
  margin-right: 1px;
}
.column5 .column-slogan .button .button-prev,
.column5 .column-slogan .button .button-next{
  display: inline-block;
  width: 50px;
  height: 50px;
  background: #F6F6F6;
  cursor: pointer;
  position: relative;
}
.column5 .column-slogan .button .button-prev:hover,
.column5 .column-slogan .button .button-next:hover{
  color: #fff;
  background: #1F6CEE;
}
.column5 .column-slogan .button .button-prev.swiper-button-disabled,
.column5 .column-slogan .button .button-next.swiper-button-disabled{
  opacity: .5;
  cursor: auto;
  pointer-events: none;
}
.column5 .column-slogan .button .button-next:after{
  content: 'next';
}
.column5 .column-slogan .button .button-prev:after{
  content: 'prev';
}
.column5 .column-slogan .swiper-container a{
  display: inline-block;
  padding: 20px;
  height: 480px;
  background: #fff;
  position: relative;
}
.column5 .column-slogan .swiper-container a img{
  width: 100%;
  object-fit: cover;
  margin-bottom: 20px;
  height: 200px;
}
.column5 .column-slogan .swiper-container a p{
  /*font-size: 14px;*/
  font-weight: 400;
  color: #131415;
  overflow:hidden;
  text-overflow:ellipsis;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
}
.column5 .column-slogan .swiper-container a>span{
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: inline-block;
  padding-top: 4px;
  border-top: 2px #4a4a4a solid;
  color: #6D7278;
  font-size: 18px;
}

.column6{
  background: linear-gradient(360deg, #FFFFFF 0%, #F7FBFF 100%);
  padding: 50px 0;
}

.column6 .column-slogan{

}
.column6 .column-slogan h2{
  margin-bottom: 30px;
  text-align: center;
}
.column6 .column-slogan>.ul-content{
  width: 100%;
  display: flex;
  flex-direction: column;
  height: 480px;
}
.column6 .column-slogan>.ul-content>ul{
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  display: none;
  padding: 20px 0;
}
.column6 .column-slogan>.ul-content>ul>li{
  width: 119px;
  height: 119px;
  background: #FFFFFF;
  box-shadow: 6px 11px 24px 0px #E4E7ED;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  position: absolute;
  left: 0;
  transition: opacity 1s ease-in-out;
  margin-right: 20px;
  overflow: hidden;
  padding: 10px;
}
.column6 .column-slogan>.ul-content>ul>li>img{
  width: 80%;
  height: auto;
  max-height: 80%;
}


.column7{
  background: #F8F8F8;
  padding: 120px 0 100px;
}
.column7 .column-slogan{
  text-align: center;
}
.column7 .column-slogan h2{
  margin-bottom: 30px;
}


@media only screen and (max-width: 1400px) {

}
@media only screen and (max-width: 860px) {
  .banner{
    display: block;
  }
  .column1{
    height: auto;
  }
  .column1 .column-stage video {
    margin-top: 60px;
  }

  .column2{
    /*height: auto;*/
  }

  .column2 .column-slogan{
    width: 100%;
    min-width: auto;
  }
  .column2 .column-slogan > div {
    width: 100%;
    text-align: center;
    padding: 15px ;
  }

  .column3 {
    color: #fff;
    padding: 40px 0;
  }
  .column3 ul.tab{
    margin-bottom: 20px;
  }
  .column3 ul.tab > li{
    margin: 0;
  }
  .column3 .content {
    flex-direction: column;
  }
  .column3 .content .column-stage {
    width: 100%;
    margin-right: 0;
  }
  .column3 .content .column-stage img {
    width: 100%;
    height: auto;
  }
  .column3 .content .column-stage>ul>li {
    width: 80px;
    height: 50px;
    line-height: 50px;
  }
  .column3 .content .column-stage>ul>li:nth-child(1){
    top: 3%;
    left: 50%;
    margin-left: -40px;
    animation: opacityShow 4s linear 0s infinite alternate;
  }
  .column3 .content .column-stage>ul>li:nth-child(2){
    top: 20%;
    right: 10%;
    animation: opacityShow 4s linear 1s infinite alternate;
  }
  .column3 .content .column-stage>ul>li:nth-child(3){
    top: 43%;
    right: 50%;
    margin-right: -40px;
    animation: opacityShow 4s linear 2s infinite alternate;
  }
  .column3 .content .column-stage>ul>li:nth-child(4){
    top: 20%;
    left: 10%;
    animation: opacityShow 4s linear 3s infinite alternate;
  }

  .column3 .content .column-slogan {
    width: 100%;
    text-align: center;
    padding: 0 15px;
    margin-right: 0;
  }
  .column3 .content .column-slogan>p {
    margin-bottom: 30px;
  }
  .column3 .content .column-slogan>ul {
    justify-content: space-around;
  }
  .column3 .content .column-slogan>ul>li {
    margin-right: 0;
  }

  .column4 {
    padding: 50px 0;
  }
  .column4>.inner>p{
    text-align: center;
  }
  .column4 .swiper-container .swiper-slide {
    flex-direction: column;
    padding: 0 15px;
  }
  .column4 .swiper-container .swiper-slide .column-slogan {
    margin-right: 0;
    text-align: center;
  }
  .column4 .swiper-container .swiper-slide .column-stage {
    width: 100%;
    height: auto;
  }
  .column4 .logo-list{
    display: none;
  }
  .column4 .button {
    display: none;
  }
  .column4 .swiper-container .swiper-slide .column-stage>img {
    width: 100%;
    max-height: 400px;
  }

  .column5 {
    padding: 40px 15px;
    flex-direction: column;
  }
  .column5 .column-stage {
    width: auto;
    margin-right: 0;
    margin-bottom: 30px;
    justify-content: flex-start;
  }
  .column5 .column-stage h2 {
    width: auto;
    text-align: center;
  }
  .column5 .column-slogan .more {
    top: 60px;
    right: 15px;
  }
  .column5 .column-slogan .button {
    display: none;
  }

  .column7{
    padding: 50px 15px;
  }
}
@keyframes animation-left {
  0% {
    transform: translateX(0px);
  }
  100% {
    transform: translateX(-100%);
  }
}
@keyframes animation-up-down {
  0% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(10);
  }
  100% {
    transform: translateY(0);
  }
}
@keyframes opacityShow{
  0% {
    opacity: 0.83;
  }
  75% {
    opacity: 0.83;
  }
  100% {
    opacity: 1;
  }
}