.container .first-con{
  position: fixed;
  height: 100vh;
}
.container .banner{
  width: 100%;
  height: 500px;
  background: url('../image/product/banner.jpg') center no-repeat;
  background-size:cover;
  padding: 0 8%;
  box-sizing: border-box;
  color: #fff;
}
.banner .banner-en{
  font-size: 30px;
  padding-top: 240px;
}
.banner .banner-zh{
  font-size: 20px;
  margin-top: 10px;
}

.container .main{
  padding: 0 8% 40px;
  box-sizing: border-box;
  overflow: hidden;
}
.main .nav{
  padding: 20px 0;
  border-bottom: 2px solid rgb(238,238,238);
  font-size: 16px;
  color: rgb(52,52,52);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.main .nav a{
  color: rgb(168,168,168);
}
.main .nav .tab-con{
  display: flex;
  padding-right: 20px;
  font-size: 17px;
}
.main .nav .tab-item{
  margin-left: 30px;
  position: relative;
}
.main .nav .tab-item:first-child{
  margin-left: 0;
}
.main .nav a.active{
  color: rgb(60,60,60);
}
.main .nav a.active::before{
  position: absolute;
  left: 0;
  bottom: -20px;
  width: 100%;
  height: 3px;
  background: #005AC8;
  content: "";
}

.main .main-top{
  width: 100%;
  height: 500px;
  background: url('../image/product/product15.jpg') center no-repeat;
  background-size:cover;
  position: relative;
  margin-top: 40px;
}
.main-top .topCon{
  position: absolute;
  top: 30px;
  left: 30px;
  width: 30%;
  color: #fff;
  font-size: 15px;
}
.main-top .topCon .top-title{
  font-size: 25px;
  margin-bottom: 50px;
  position: relative;
}
.main-top .topCon .top-title::before{
  position: absolute;
  left: 0;
  bottom: -20px;
  width: 80px;
  height: 3px;
  background: #fff;
  content: "";
}
.main-top .topCon .top-spec{
  line-height: 24px;
}
.main .main-middle{
  width: 100%;
  padding-bottom: 40px;
  color: #fff;
  background: url('../image/product/product17.jpg') center no-repeat;
  background-size:cover;
  margin-top: 40px;
}
.main-middle .mid-top{
  padding: 30px;
  font-size: 25px;
}
.main-middle .mid-item{
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.main-middle .mid-mobile{
  display: none;
}
.main-middle .mid-item .mid-its{
  width: 33%;
  padding: 20px 26px;
  font-size: 22px;
  box-sizing: border-box;
  background: rgba(28,107,212,.5);
  margin-top: 10px;
}
.main-middle .mid-item .its-title{
  font-size: 20px;
  margin-bottom: 10px;
  text-align: center;
}
.main-middle .mid-item .its-spec{
  font-size: 16px;
  line-height: 24px;
  text-align: center;
}

.main .pc-bottom{
  margin-top: 40px;
}
.pc-bottom .bm-top{
  padding: 30px;
  display: flex;
  background: rgb(246,246,246);
  color: rgb(0,82,205);
  font-size: 20px;
}
.pc-bottom .bm-top .top-lf{
  width: 60%;
}
.pc-bottom .bm-top .top-rt{
  width: 40%;
}
.pc-bottom .bm-bottom{
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
  background: url('../image/product/product16.jpg') center no-repeat;
  background-size:cover;
  display: flex;
  color: #fff;
}
.pc-bottom .bm-bottom .bottom-lf{
  width: 60%;
  padding-right: 30%;
  box-sizing: border-box;
}
.bm-bottom .bottom-lf .bottom-title{
  font-size: 18px;
  margin-bottom: 20px;
}
.bm-bottom .bottom-lf .bottom-spec{
  font-size: 14px;
  line-height: 20px;
}
.pc-bottom .bm-bottom .bottom-rt{
  width: 36%;
  margin-right: 4%;
  /* height: 300px; */
  /* background: url('../image/product/product20.png') center no-repeat; */
  /* background-size:contain; */
}
.main .mobile-bottom{
  display: none;
}

@media screen and (min-width: 1600px){
  .main .main-top{
    height: 750px;
  }
  .main .main-middle{
    padding-bottom: 80px;
  }
  .main-middle .mid-item .mid-its{
    padding: 70px 26px;
  }
  .pc-bottom .bm-bottom{
    padding: 70px 20px;
  }
}
@media screen and (min-width: 1201px) and (max-width: 1599px){
  .main .main-top{
    height: 600px;
  }
  .main-middle .mid-item .mid-its{
    padding: 40px 26px;
  }
  .pc-bottom .bm-bottom{
    padding: 40px 20px;
  }
}

@media screen and (max-width:1200px) {
  .container .banner{
    padding: 0 15px;
  }
  .container .main{
    padding: 0 15px 40px;
  }
}
@media screen and (max-width:992px){
  .main-middle .mid-pc{
    display: none;
  }
  .main-middle .mid-mobile{
    display: flex;
  }
  .main-middle .mid-top{
    padding: 20px;
    font-size: 16px;
  }
  .main-middle .mid-item .mid-its{
    padding: 15px 10px;
    width: 49.5%;
  }
  .main-middle .mid-item .its-title{
    font-size: 17px;
  }
  .main-middle .mid-item .its-spec{
    font-size: 12px;
    line-height: 16px;
  }
  .main .pc-bottom{
    display: none;
  }
  .main .mobile-bottom{
    display: block;
    margin-top: 30px;
  }
  .mobile-bottom .mob-top{
    padding: 20px 10px;
    background: rgb(246,246,246);
    color: rgb(0,82,205);
    font-size: 18px;
  }
  .mobile-bottom .mob-bm{
    width: 100%;
    padding: 20px 10px;
    box-sizing: border-box;
    background: url('../image/product/product16.jpg') center no-repeat;
    background-size:cover;
    color: #fff;
  }
  .mobile-bottom .mob-title{
    font-size: 17px;
    margin-bottom: 15px;
  }
  .mobile-bottom .mob-spec{
    font-size: 14px;
    line-height: 20px;
  }
  .mobile-bottom .mob-title2{
    font-size: 18px;
    margin: 25px 0;
  }
  .mobile-bottom .mob-img{
    width: 100%;
    height: 300px;
  }
}
@media screen and (max-width:768px) {
  .main .nav .tab-con{
    padding: 15px 0 0 5px;
    font-size: 12px;
  }
  .main .nav .tab-item{
    margin-left: 8px;
    position: relative;
  }

  .main .main-top{
    height: 300px;
  }
  .main-top .topCon{
    position: absolute;
    top: 20px;
    left: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
    color: #fff;
    font-size: 13px;
  }
  .main-top .topCon .top-title{
    font-size: 20px;
  }
  .main-top .topCon .top-title::before{
    position: absolute;
    left: 0;
    bottom: -15px;
    width: 60px;
    height: 3px;
    background: #fff;
    content: "";
  }
  .main-top .topCon .top-spec{
    line-height: 20px;
  }
}