body{
  background-color: #1d1d1b;
}
.header{
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  display: flex;
  background: #f1f1f1;
  justify-content: center;
  align-items: center;
  padding: 11px;
  z-index: 100;
  height: 62px;
  z-index: 9000;
  padding-left: 300px;
}
.header .logo{
  position: absolute;
  left: 3%;
}
.header .left{
  margin-right: 100px;
  font-weight: 600;
  font-size: 1.2rem;
  color: #727171;
  cursor: pointer;
}
.header .right{
  margin-left: 100px;
  font-weight: 600;
  font-size: 1.2rem;
  color: #727171;
  cursor: pointer;
}
.item-img{
  width: 150px;
  margin: 50px auto 40px;
}
.new{
  position: relative;
}
.new:after {
  content: "New";
  background: #ce4f3d;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  position: absolute;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  top: 50%;
  right: 0;
  transform: translateY(-50%);
}
.title span{
  color: #fff;
  background: #595757;
  padding: 10px 20px;
  font-size: 1.8rem;
  font-weight: 900;
  line-height: calc(1.8rem + 26px);
}
.content-body {
  background: #d7d8d8;
  padding: 40px;
  height: calc(100% - 54px);
}
.content-desc{
  font-weight: 900;
    font-size: 1.2rem;
    border-bottom: 1px solid #bbb;
    padding-bottom: 1rem;
    word-break: break-all;
}
.body-table{
  display: flex;
  flex-wrap: wrap;
}
.table-item{
  flex: 0 0 50%;
  margin-bottom: 2rem;
}
.item-title{
  font-weight: 900;
  font-size: 1.2rem;
  margin-bottom: 0.5rem
}
.item-content{
  color: #666;
}
.content-desc2{
  font-size: 1.2rem;
  font-weight: 900;
  margin: 0;
  word-break: break-all;
}
.content-desc3{
  font-size: 1rem;
  font-weight: 900;
  color: #666;
  margin: 0;
  word-break: break-all;
}
.detail-video{
  flex: 0 0 50%;
  max-width: 50vw;
  overflow: hidden;
  display: flex;
  justify-content: center;
  background: #fff;
  position: relative;
  padding-top: 61.09254%;
}
.detail-video img{
  position: absolute;
  top: 50%;
  left: 50%;
  height: 100%;
  transform: translate(-50%,-50%);
}
.tech{
  background-color: #eaeaea;
  display: flex;
  padding: 4rem;
}
.tech-choose{
  display: flex;
  width: 100%;
}
.choose-item-list{
  display: flex;
  margin-right: 2.5rem;
  flex: 0 0 50%;
  position: relative;
  flex-wrap: wrap;
  justify-content: space-between;
}
.choose-item{
  background: #000;
  width: 30%;
  margin-bottom: 5%;
  position: relative;
  padding-top: 30%;
  box-shadow: 2px 2px 6px 3px rgb(0 0 0 / 40%);
}
.choose-item-content{
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 10px;
}
.choose-item-content p{
  color: #fff;
  font-weight: 900;
  margin: 0;
  text-align: center;
}
.choose-item-content img{
  width: 100%;
}
.choose-item-list .active{
  background: #9fa0a0;
}
.item-desc{
  flex: 0 0 50%;
  display: flex;
  align-items: center;
  border-right: 1px solid #aaa;
  border-left: 1px solid #aaa;
}
.item-desc .item-body{
  padding: 0 40px;
  position: relative;
}
.desc-title{
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2rem;
  position: relative;
}
.desc-title:after{
  content: "";
  position: absolute;
  width: 50px;
  height: 2px;
  bottom: -10px;
  left: 0;
  background: #000;
}
.thumb-example{
  padding: 4rem;
  background-color: #fff;
  width: 100%;
  max-width: 1000px;
  margin: auto;
}
.swiper-controller{
  margin-top: 40px;
  display: flex;
  justify-content: space-around;
}
.controller-item{
  width: 130px;
  margin-right: 10px;
}
.controller-item svg{
  display: block;
  width: 100%;
  height: 100%;
  max-width: 120px
}

.download-block{
  background: #eaeaea;
  display: flex;
  padding: 8rem 0;
  justify-content: center;
  align-items: center;
}
.download-block .btn{
  background: #9fa0a0;
  color: #fff;
  font-weight: 900;
  font-size: 1.8rem;
  display: flex;
  align-items: center;
  padding: 30px 40px;
  cursor: pointer;
}
.swiper-slide {
  text-align: center;

  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}
.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.swiper-slide {
  background-size: cover;
  background-position: center;
}
.swiper-button-next:after, .swiper-button-prev{
  color: #bbb;
}
.back-btn{
  cursor: pointer;
  position: fixed;
  top: 25px;
  left: 20px;
  z-index: 9500;
  width: 120px;
}
.subcatalog .active{
  text-decoration: underline;
  color: #e52321!important;
}
.nav-tabs .nav-link{
  border: none;
  background-color: #000;
}
.nav-tabs .nav-link.active{
  background: #9fa0a0;
}
.item-left-container{
  width: 20%;
  background: rgb(112,113,110);
  background: linear-gradient(90deg, rgba(112,113,110,1) 0%, rgba(32,33,31,1) 100%);
}
.item-right-container{
  width: 80%;
  background-color: #1c1d1a;
}
.catalog{
  position: relative;
}
.catalog-name{
  height: 93px;
  line-height: 93px;
}
.item-list{
  height: calc(100vh - 62px);
  background: rgb(112,113,110);
  background: linear-gradient(90deg, rgba(112,113,110,1) 0%, rgba(32,33,31,1) 100%);
}
.product-list{
  padding: 30px 18px; transition: all .5s;
}
@media (max-width: 992px){
  .header .left{
    margin-left: 15px;
  }
  .product-list{
    height: auto;
  }
  .product-detail, .detail, .tech-choose{
    flex-direction: column-reverse;
  }
  .detail-video{
    flex: 0 0 100%;
    max-width: 100vw;
    padding-top: 122.18509%;
  }
  .tech-choose{
    margin-bottom: 3rem;
  }
  .item-desc{
    margin-bottom: 2rem;
  }
  .product-detail .tech{
    flex-direction: column;
    padding: 40px;
  }
  .item-left-container {
    width: 100%;
    height: 23vh;
    margin-top: 62px;
    position: relative;
    z-index: 5100;
  }
  .item-right-container{
    width: 100%;
  }
  .item-img{
    width: 120px;
    position: absolute;
    transform: translate(-50%,-50%);
    top: 50%;
    left: 50%;
    margin: 0px;
  }
  .mobile-subcatalog{
    width: 100%;
    border: 2px solid rgb(191, 49, 48);
    background: #fff;
    display: block;
    position: absolute;
    z-index: 10;
    padding: 12px 0;
    transform: translateY(-117%);
    transition: .5s;
    z-index: 5000;
    left: 0;
  }
  .mobile-subcatalog.active{
    transform: translateY(-30%);
  }
  .list-controller{
    width: 50px;
    position: absolute;
    bottom: 7px;
    left: 50%;
    transform: translate(-50%,100%);
    z-index: 5000;
  }
  .subcatalog-item{
    font-size: 1rem;
    padding: 6px;
    text-align: center;
    font-weight: 900;
    display: block;
    text-decoration: none;
  }
  .subcatalog-item span{
    padding-bottom: 0;
    color: #999;
  }
  .subcatalog-item.active span{
    color: #000;
    text-decoration: underline;
  }
  .item-list{
    height: 150px;
  }
  .header{
    padding-left: 0;
  }
}
@media (max-width: 576px){
  .product-detail .tech{
    padding: 20px;
  }
  .product-detail .tech{
    padding: 20px;
  }
  .choose-item-list{
    width: 100%;
    height: unset;
    margin-right: 0;
  }
  .choose-item .choose-item-content{
    font-size: .6rem;
    padding: 5px;
  }
  .header{
    justify-content: space-between;
  }
  .header .left{
    margin-right: 0;
  }
  .header .right{
    margin-left: 0;
  }
}

.st1{fill:none;stroke:#fff;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;transition:1s}
.st1{transform:rotateX(360deg);transform-origin:center}

.subcatalog-link{
  padding: 0 0 0 30%;
  display: block;
  text-decoration: none;
  line-height: 1.8;
}
.product-name{
  text-align: center;
  color: #fff;
  margin: 0;
  position: absolute;
  transform: translate(-50%,-50%);
  bottom: 0;
  left: 50%;
}
.product-item{
  position: relative;
  transition: all .5s;
  margin-top: -40px;
  font-size: 18px;
}
.logo-bar{
  background-color: #dadada;
  padding: 20px 0;
}
.logo-bar-center{
  width: 130px; 
  margin: 0 auto
}
.product-items{
  color: #fff;
  list-style: none;
  font-size: 25px;
  font-weight: 100;
  padding: 0;
  line-height: 1.8;
}
.product-items span{
  margin-right: 10px;
  font-weight: 500;
}
.product-items-title{
  color: #fff;
  font-weight: bold;
  position: relative;
  font-size: 38px;
  margin-bottom: 30px;
}
.product-items-title:before{
  content: "";
  height: 3px;
  width: 200px;
  background-color: red;
  position: absolute;
  bottom: -5px;
  left: -15px;
}
.section-1, .section-2, .section-3{
  padding-top: 10%;
  padding-bottom: 10%;
}
.product-items-right{
  padding-top: 6%;
}
.container-video{
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%;
}
.video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

@media (max-width: 992px){
  .product-items-right{
    padding: 10%;
  }
  .product-items-title{
    font-size: 28px;
  }
  .product-item{
    margin-top: -20px;
  }
  .product-item .product-name{
    font-size: 16px;
  }
  .item-right-container{
    height: auto;
  }
}

@media (max-width: 576px){
  .product-item .product-name{
    font-size: 13px;
  }
}