main .banner{
    position: relative;
}
main .banner video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
main .banner .swiper-banner .swiper-slide{height: auto;}
main .banner .swiper-banner2 .swiper-slide{height: auto;}

main .banner .swiper-banner .swiper-slide img{
    width: 100%;
  }
  main .banner .swiper-pagination-banner{
    position: absolute;
    align-items: flex-end;
    bottom: 0.6rem;
  }
  main .banner .swiper-pagination-banner .swiper-pagination-bullet{
    border-radius: 0;
    background-color: #fff;
    width: 10px;
    height: 10px;
  }
  main .banner .swiper-pagination-banner .swiper-pagination-bullet-active{
    height: 30px;
    background-color: #D51625;
  }
  main .banner .swiper-banner .swiper-slide .mask{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #00000010;
  }
  main .banner .swiper-banner .swiper-slide .txt{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 7%;
    color: #fff;
    max-width: 990px;
    width: 100%;
  }
  main .banner .swiper-banner .swiper-slide .txt h2{
    color: #fff;
    font-size: 0.6rem;
    font-family: 'SemiBold';
  }
  main .banner .swiper-banner .swiper-slide .txt h1{
    color: #fff;
    font-size: 0.6rem;
    font-family: 'SemiBold';
  }
  main .banner .swiper-banner .swiper-slide .txt span.line{
    width: 60px;
    height: 4px;
    background-color: #fff;
    display: inline-block;
    margin-top: 0.4rem;
    margin-bottom: 0.6rem;
  
  }
  main .banner .swiper-banner .swiper-slide .txt p{
    color: #fff;
    line-height: 2;
  
  }
  .swiper-button-next-banner::after, .swiper-button-prev-banner::after{
    font-size: 36px;
    color: #D51625;
  }
  
  main .gallery{
    padding: 0.8rem 0;
  }
  main .gallery .row{
    margin-top: 0.6rem;
    margin-left: -20px;
    margin-right: -20px;
  }
  main .gallery .row .col-md-3{
    padding-left: 20px;
    padding-right: 20px;
  }
  main .gallery .row .col-md-3:nth-child(even){
    margin-bottom: -60px;
    margin-top: 60px;
  }
  main .gallery .row .img{
    position: relative;
    overflow: hidden;
    margin-bottom: .4rem;
  }
  main .gallery .row .img>img{
    width: 100%;
    transition: all 0.5s;
  }
  main .gallery .row .img:hover>img{
    transform: scale(1.1);
  }
  main .gallery .row .img .txt{
    position: absolute;
    width: 100%;
    bottom: 0;
    left: 0;
    padding: 0.5rem 0.3rem;
    background: linear-gradient(rgba(0, 0, 0, 0),rgba(0, 0, 0, 1));
  }
  main .gallery .row .img .txt p{
    color: #fff;
    font-size: 0.22rem;
    font-family: 'Medium';
  }
  main .gallery .row .img .txt.more{
    bottom: 50%;
    transform: translateY(50%);
    background: none;
   flex-direction: column;
  }
  main .gallery .row .img .txt.more p{
    font-size: 0.32rem;
    text-align: center;
  }
  main .gallery .row .img.more:hover>img{
    transform: none;
  }
  main .gallery .row .img .txt.more img{
    margin-top: 0.6rem;
    transition: all 0.5s;
  }
  main .gallery .row .img .txt.more:hover img{
    margin-top: 0.8rem;
  }


  main .gallery .swiper{
    margin-top: 0.6rem;
  }
  main .gallery .swiper .img{
    position: relative;
    overflow: hidden;
    margin-bottom: .4rem;
  }
  main .gallery .swiper .img>img{
    width: 100%;
    transition: all 0.5s;
  }
  main .gallery .swiper .img:hover>img{
    transform: scale(1.1);
  }
  main .gallery .swiper .img .txt{
    position: absolute;
    width: 100%;
    bottom: 0;
    left: 0;
    padding: 0.5rem 0.3rem;
    background: linear-gradient(rgba(0, 0, 0, 0),rgba(0, 0, 0, 1));
  }
  main .gallery .swiper .img .txt p{
    color: #fff;
    font-size: 0.22rem;
    font-family: 'Medium';
  }
  main .gallery .swiper .img .txt.more{
    bottom: 50%;
    transform: translateY(50%);
    background: none;
   flex-direction: column;
  }
  main .gallery .swiper .img .txt.more p{
    font-size: 0.32rem;
    text-align: center;
  }
  main .gallery .swiper .img .txt.more img{
    margin-top: 0.6rem;
  }
  main .gallery .swiper .btn.more{
    margin-right: 15px;
  }


  
  main .greenzone{
    background-color: #F6F6F6;
    padding: 0.8rem 0;
  } 
  main .greenzone .content .text p{
    max-width: 780px;
    width: 100%;
    color: #A8A8A8;
    line-height: 2;
    margin: 0 auto;
    margin-top: 0.5rem;
  }

  main .greenzone .content .CE_FSC{
    display: flex;
    margin-top: 0.8rem;
  }
  main .greenzone .content .CE_FSC .left{
    max-width: 720px;
    width: 100%;
    margin-right: 0.7rem;
  }
  main .greenzone .content .CE_FSC .right{
    flex: 1;
  }
  main .greenzone .content .CE_FSC .right h2{
    font-family: 'Medium';
    font-size: 0.32rem;
    color: #D51625;
    margin-bottom: 0.2rem;
  }
  main .greenzone .content .CE_FSC .right p{
    color: #A8A8A8;
  }
  main .greenzone .content .CE_FSC .right ul li{
    font-family: 'Medium';
    font-size: 0.2rem;
    margin-top: 0.2rem;
    display: flex;
    align-items: flex-start;
  }
  main .greenzone .content .CE_FSC .right ul li img{
    flex-shrink: 0;
    margin-right: 10px;
  }
  main .greenzone .content .CE_FSC .right .btn{
    margin: 0;
    margin-top: 0.5rem;
  }

  main .certification{
    padding-top: 1.2rem;
  }
  main .certification ul{
    margin-top: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
  }
  main .certification ul li{
    width: 158px;
    height: 158px;
    border-radius: 50%;
    border: 4px solid rgb(213 22 37 / 30%);
    overflow: hidden;
    margin-right: 0.3rem;
    margin-bottom: 20px;
  }

  @media (max-width:1440px) {
    main .greenzone .content .CE_FSC .left{
      max-width: 50%;
    }

  }
  @media (max-width:1023px) {
    main .greenzone .content .CE_FSC{
      flex-direction: column;
    }
    main .greenzone .content .CE_FSC .left{
      max-width: 100%;
      margin-right: 0;
      margin-bottom: 0.3rem;
    }
    main .greenzone .content .CE_FSC .right ul li{
      font-size: 0.32rem;
    }

  }

  @media (max-width:767px) {
    main .certification ul li{
      width: 25%;
      height: auto;
    }

  }



  
  main .home_about{
    display: flex;
  }
  main .home_about>div{
    width: 50%;
    padding: 0.8rem .6rem 1.4rem;
  }
  main .home_about>div.left{
    background-color: #212529;
    color: #fff;
  }
  main .home_about>div .more{
    display: flex;
    justify-content: space-between;
  }
  main .home_about>div .more p{
    color: #fff;
  }
  main .home_about>div .more a:hover svg path{
    fill: #fff;
  }
  main .home_about>div .title{
    align-items: flex-start;
  }
  main .home_about>div .title h2{
    margin-bottom: 0.4rem;
  }
  main .home_about>div .title h2 span{
    color: #fff;
    text-align: left;
  }
  main .home_about>div .title h2::after{
    left: 0;
    transform: none;
  }
  main .home_about>div .title p{
    color: #A8A8A8;
    line-height: 2;
  }
  main .home_about>div .title p.main_color{
    color: #D51625;
  }
  main .home_about>div.left ul{
    display: flex;
    justify-content: space-between;
    margin: 0.3rem 0;
  }
  main .home_about>div.left p{
    color: #A8A8A8;
    line-height: 2;
  }
  
  main .home_about>div.right{
    background-image: url(/lib/images/Certification_right_bg.png);
    background-repeat: no-repeat;
    background-size: cover;
    position: relative;
  }
  main .home_about>div.right .more p{
    color: #D51625;
  }
  main .home_about>div.right .more a svg path{
    fill: #212529;
  }
  main .home_about>div.right .more a:hover svg path{
    fill: #D51625;
  }
  main .home_about>div.right .title h2 span{
    color: #212529;
  }
  main .home_about>div.right .title h3{
    font-size: 0.22rem;
    font-family: 'SemiBold';
    margin-bottom: 0.3rem;
  }
  
  main .home_about>div.right .swiper-pagination-installation{
    position: absolute;
    left: .2rem;
    top: 50%;
    transform:translateY(-50%);
    flex-direction: column;
    width: auto;
  }
  main .home_about>div.right .swiper-pagination-installation .swiper-pagination-bullet{
    margin: 10px 0;
    width: 10px;
    height: 10px;
    border-radius: 0;
    background-color: #212529;
    opacity: 1;
  }
  main .home_about>div.right .swiper-pagination-installation .swiper-pagination-bullet-active{
    background-color: #D51625;
  }
  
  main .products{
    padding: 0.8rem 0;
  }
  main .products .big_tab{
    width: 100%;
    display: flex;
    margin-top: 0.6rem;
    margin-bottom: 0.5rem;
  }
  main .products .big_tab .box{
   width: 50%;
   height: 76px;
   background-color: #fafafa;
   cursor: pointer;
  }
  main .products .big_tab .box p{
    color: #212529;
    font-family: 'Medium';
    font-size: 0.22rem;
  }
  main .products .big_tab .box.active{
    background-color: #D51625;
    border: none;
  }
  main .products .big_tab .box.active p{
    color: #fff;
  }
  
  main .products .small_tab .two_box{
    display: none;
    width: 100%;
    overflow-x: hidden;
  }
  main .products .small_tab .two_box.active{
    display: block;
  }
  main .products .small_tab ul{
    display: flex;
    justify-content: center;
    margin-bottom: 0.8rem;
    overflow-x: auto;
    padding: 0 15px;
    padding-bottom: 15px;
    white-space: nowrap;
  }
  main .products .small_tab ul li{
    padding: 0 0.3rem;
    border-right: 1px solid #212529;
    font-size: 0.22rem;
    cursor: pointer;
  }
  main .products .small_tab ul li:last-child{
    border-right: none;
  }
  main .products .small_tab ul li.active{
    color: #D51625;
  }
  main .products .small_tab .phone_tab{
    position: relative;
    width: 100%;
    height: 20px;
  }

  main .products .two_swiper{
    margin-top: 0.8rem;
  }
  main .products  .swiper{
    max-width: 1460px;
    width: 100%;
    margin: 0 auto;
    display: none;
  }
  main .products .swiper.active{
    display: block;
  }
  main .products .swiper .swiper-container{
    overflow: inherit;
    display: none;
  }
  main .products .swiper .swiper-container.active{
    display: block;
  }
  main .products .swiper .swiper-container .swiper-slide .img{
    position: relative;
    border: 1px solid #e5e5e5;
  }
  main .products .swiper .swiper-container .swiper-slide img{
    width: 100%;
  }
  main .products .swiper .swiper-container .swiper-slide .img .mask{
    position: absolute;
    width: 100%;
    height: 100%;
    content: '';
    background-color: rgba(255, 255, 255,0.3);
    top: 0;
    left: 0;
    opacity: 0;
  }
  main .products .swiper .swiper-container .swiper-slide:hover .img .mask{
    opacity: 1;
  }
  main .products .swiper-slide .txt{
    padding: 0.3rem 0;
  }
  main .products .swiper-slide .txt h3{
    margin-bottom: 0.1rem;
    font-size: 0.22rem;
    font-family: 'Medium';
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
  }
  main .products .swiper-slide .txt p{
    color: #D51625;
    margin-bottom: 10px;
    overflow: hidden;
    text-overflow:ellipsis;
    white-space: nowrap;
  }
  main .products .swiper-slide .txt span{
    color: #A8A8A8;
  }
  main .products .btn.more{
    margin-top: 0.5rem;
  }


main .picture{
    margin-bottom: 0.8rem;
}
main .picture .content .swiper{
    margin: 0.8rem 0;
    position: relative;
}
main .picture .content .swiper .swiper-button-next, main .picture .content .swiper .swiper-button-prev{
    width: 80px;
    height: 80px;
    background-color: #D51625;
    opacity: 1;
}
main .picture .content .swiper .swiper-button-next:hover, main .picture .content .swiper .swiper-button-prev:hover{
  background-color: white;
    color: #fff;
}
main .picture .content .swiper .swiper-button-next::after, main .picture .content .swiper .swiper-button-prev::after{
    font-size: 30px;
    color: #fff;
}
main .picture .content .swiper .swiper-button-next{
    right: 0;
    transform: translate(50%,-50%);
    margin-top: 0;
}
main .picture .content .swiper .swiper-button-prev{
    left: 0;
    transform: translate(-50%,-50%);
    margin-top: 0;
}

@media (max-width:1500px) {
  main .picture .content .swiper .swiper-button-next{
    right: 0;
    transform: translateX(30%);
}
main .picture .content .swiper .swiper-button-prev{
    left: 0;
    transform: translateX(-30%);
}
}
@media (max-width:1279px) {
    main .picture .content .swiper .swiper-button-prev{
        transform: translateX(0);
    }
    main .picture .content .swiper .swiper-button-next{
        transform: translateX(0);
    }
    main .picture .content .swiper .swiper-button-next, main .picture .content .swiper .swiper-button-prev{
        width: 48px;
        height: 48px;
    }
    main .banner .swiper-banner .swiper-slide .txt{
      width: 80%;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
    }
    main .home_about>div.left ul li{
      margin-right: 10px;
    }
}
@media (max-width:1023px) {
  main .home_about{
    flex-direction: column;
  }
  main .home_about>div{
    width: 100%;
  }
}


@media (max-width:767px) {
  main .gallery .content{
    padding-right: 0;
  }
  main .banner .swiper-banner2 .swiper-slide img{
    /* position: absolute; */
    object-fit: cover;
    height: 100%;
    aspect-ratio: 75 / 96;
  }
  main .banner .swiper-banner2 .swiper-slide .txt{
    position: inherit;
    transform: none;
    padding: 45px 15px;
    width: 100%;
    left: 0;
    /*  */
    top: 0;
    height: 100%;
  }
  main .banner .swiper-banner2 .swiper-slide .txt h2{
    font-size: 22px;
    color: #fff;
  }
  main .banner .swiper-banner2 .swiper-slide .txt span.line{
    margin-top: 0.2rem;
    margin-bottom: 0.2rem;
  }
  main .products .big_tab .box p{
    font-size: 0.32rem;
  }
  main .products .small_tab ul{
    justify-content: flex-start;
  }
  main .products .small_tab ul li{
    font-size: 0.3rem;
  }
  main .products .small_tab{
    padding: 0 15px;
  }
  main .products .swiper .swiper-container .swiper-slide img{
    width: 95%;
  }
  main .products .swiper-slide .txt{
    margin-top: -30px;
    background-color: #212529;
    position: relative;
    padding: 20px;
    width: 95%;
    margin-left: 5%;
  }
  main .products .swiper-slide .txt h3{
    color: #fff;
    font-size: 0.32rem;
  }
  main .products .swiper-slide .txt p{
    color: #fff;
  }
  main .products .swiper-slide .txt span{
    color: #fff;
  }
  main .products .btn.more{
    width: auto;
    margin: 0 15px;
    margin-top: 0.5rem;
  }
main .gallery .swiper .btn.more{
  margin-right: 15px;
  width: auto;
}
main .gallery .swiper .img .txt p{
  font-size: 0.4rem;
}
main .home_about>div.right .swiper-slide img{
  height: 250px;
  object-fit: cover;
}
}