body{
background: #1D1D1F;
}
.index-top{
  width: 100%;
  position: sticky;
  top: 0;
  height: 116px;
  z-index: 99;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}
.menu-box{
  width: 100%;
  background: #1D1D1F;
}
.menu-content{
  width: 1140px;
  height: 66px;
  margin: 0 auto;
}
.menu-content .logo-box{
  width: 93px;
  height: 25px;
  margin-right: 229px;
  cursor: pointer;
}
.menu-list{
  width: calc(100% - 320px);
}
.menu-content .menu-item{
  cursor: pointer;
  margin-right: 24px;
}
.menu-content .menu-item:nth-last-child(1){
  margin-right: 0;
}
.menu-content .menu-item:hover span{
  color:#B6B7B8;
}
.menu-content .menu-item span{
  color: #e7e7e7;
  transition: all .2s;

}
.buy-box{
  width: 100%;
  height: 50px;
  background: #23252B;

}
.buy-box .buy-btn{
  width: 60px;
  height: 30px;
  background: linear-gradient( 93deg, #FADCCC 0%, #E8C9B8 43%, #A3806C 100%);
  border-radius: 36px;
  margin-left: 78px;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  border: none;
}
.section1{
  width: 100%;
  height: 100vh;
  background: url(../images//section1-bg.png) no-repeat;
  background-size: cover;
}
.section1 video{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.section2{
  background: linear-gradient( 155deg, #FAFAFB 0%, #EDEDF1 100%);
}
.product-box{
  background: linear-gradient( to bottom, #FFFFFF 0%, #EDEDF0 100%);
}
.title3{
  font-weight: 600;
  font-size: 40px;
  color: #1D1D1F;
  margin-top: 86px;

}
.desc{
  width: 617px;
  text-align: center;
  font-weight: 500;
  font-size: 16px;
  color: #86868B;
  margin: 26px 0 60px;
}

.jueshi{
  width: 100%;
  height: 396px;
  padding: 40px 0;
  background: linear-gradient( 155deg, #FAFAFB 0%, #EDEDF1 100%);
}
.jueshi .title{
  width: 238px;
  height: 42px;
  background: url(../images/jueshi.png);
  background-size: cover;
  margin-bottom: 42px;
}
.jueshi img{
  width: 744px;
  height: 232px;
}

.card-list{
  width: 100%;
  height: auto;
  padding: 8px 0 0;
  justify-content: space-between;
  background: #fff;
}
.card-list .card-item{
  width: calc(50% - 4px);
  height: 390px;
  background: linear-gradient( 155deg, #FAFAFB 0%, #EDEDF1 100%);
  margin-bottom: 8px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.card-list .card-item .title{
  width: 166px;
  height: 61px;
  margin-bottom: 34px;
}

.card-list .card-item:nth-child(1) .title{
  background: url(../images/gui.png);
  background-size: cover;
}
.card-list .card-item:nth-child(2) .title{
  background: url(../images/zhen.png);
  background-size: cover;
}
.card-list .card-item:nth-child(3) .title{
  background: url(../images/bao.png);
  background-size: cover;
}
.card-list .card-item:nth-child(4) .title{
  background: url(../images/chen.png);
  background-size: cover;
}
.card-list .card-item:nth-child(3), .card-list .card-item:nth-child(4){
  margin-bottom: 0;
}
.card-list .card-item img{
  width: 504px;
  height: 258px;
}
.scale-img .item-img{
  transition: all .2s linear;
  transform: scale(1);
}
.scale-img:hover .item-img{
  transform: scale(1.1) !important;
}
.theme-box{
  background: linear-gradient( 155deg, #FAFAFB 0%, #EDEDF1 100%);

}
.theme-list-box{
  width: 1000px;
  height: 595px;
  margin-top: 56px;
  position: relative;
}
.theme-list-box .top-img-box{
  width: 100%;
  height: 422px;
  background: url(../images/theme-img.png);
  background-size: cover;

}
.theme-list{
  width: 959px;
  height: 240px;
  background: #FFFFFF;
  border-radius: 16px;
  position: absolute;
  top: 305px;
  left: 50%;
  transform: translateX(-50%);
}
.theme-item{
  width: 25%;
  height: 33.3%;
  border-right: #f2F2F5 1px solid;
  border-bottom: #f2F2F5 1px solid;
  /* user-select: none; */
}
.theme-item:nth-child(4n){
  border-right: none;
}
.theme-item h5{
  font-weight: 500;
  font-size: 16px;
  color: #1D1D1F;
  margin-bottom: 2px;
}
.theme-item p{
  font-weight: 500;
  font-size: 12px;
  color: #86868B;
}

.section3{
  background: #fff;
}
.project-list{
  width: 1140px;
}
.project-list .project-item{
  width: 555px;
  height: 230px;
  position: relative;
  background: #F5F5F7;
  border-radius: 20px;
  padding: 50px 0 0 40px;
  margin: 0 20px 20px 0;
  overflow: hidden;
}
.project-list .project-item:nth-child(2n){
  margin-right: 0;
}
.project-item .item-left{
  width: 270px;
}
.left-desc{
  font-weight: 500;
  font-size: 14px;
  color: #86868B;
}
.left-title{
  font-weight: 600;
  font-size: 26px;
  color: #1D1D1F;
  margin-bottom: 10px;
}
.project-item .item-img{
  width: 278px;
  height: 230px;
  position: absolute;
  right: 0;
  top: 0;
}
.last-project-item{
  width: 100%;
  height: 230px;
  background: #F5F5F7;
  border-radius: 20px;
  padding: 20px 40px;
  overflow: hidden;
}
.last-project-item p{
  width: 357px;
  font-weight: 500;
  font-size: 14px;
  color: #86868B;

}
.last-project-item h5{
  font-weight: 600;
  font-size: 26px;
  color: #1D1D1F;
  margin-bottom: 10px;
}
.last-project-item .item-img{
  width: 373px;
  height: 192px;
}
.moment-box{
  width: 100%;
  height: 523px;
  background: linear-gradient( to bottom, #FFFFFF 0%, #EDEDF0 100%);
}
.moment-box .moment-content{
  width: 1140px;
  height: 100%;
  margin: 0 auto;

}
.content-left {
  width: 503px;
}
.content-left .left-desc{
  margin-bottom: 24px;
}
.moment-content .item-img{
  width: 357px;
  height: 358px;
}
.section4{
  background: #F5F5F7;
}
.news-list{
  width: 1130px;
  margin-bottom: 86px;
}
.news-list .news-item{
  width: 267px;
  height: 330px;
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 20px;
}
.news-item .mask-box{
  width: 100%;
  height: 115px;
  background: linear-gradient( to bottom, rgba(0,0,0,0) 0%, #000000 65%);
  position: absolute;
  bottom: 0;
  left: 0;
  opacity: 0.8;
}
.mask-box .intro{
  width: 240px;
  font-weight: 500;
  font-size: 18px;
  color: #FFFFFF;
  line-height: 22px;
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  text-align: center;
}
.profile{
  width: 100%;
  background: #fff;
  height: 658px;
}
.profile .profile-content{
  width: 1130px;
  height: 100%;
  margin: 0 auto;
}
.profile-content .item-img{
  width: 523px;
  height: 486px;
}

.footer{
  width: 100%;
  height: 66px;
  background: #1D1D1F;
}
.footer img{
  width: 93px;
  height: 25px;
}