.video{
    background: #076862;
    position: relative;
}
.video>img{
    opacity: 0.3;
}
.video .video_in{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    flex-direction: column;
}
.video .video_in h1{
    color: #fff;
    text-align: center;
    margin-bottom: 0;
}
.video .video_in h2{
    color: #fff;
    max-width: 570px;
    text-align: center;
    margin-bottom: 80px;
}
.video .video_in img{
    cursor: pointer;
}
.about_skylab{
    padding: 210px 0;
    background: url(/lib/images/about/bg_texture.jpg);
}
.about_skylab .content{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.about_skylab .left h2{
    color: #101010;
}
.about_skylab .left .line{
    width: 60px;
    height: 3px;
    background: #008574;
    display: inline-block;
    margin-bottom: 40px;
}
.about_skylab .left p{
    font-size: 16px;
    color: #101010;
    line-height: 1.5;
    max-width: 740px;
}
.about_skylab .left .number{
    display: flex;
    margin-top: 80px;
}
.about_skylab .left .number .box{
    margin-right: 100px;
}
.about_skylab .left .number .box span{
    font-family: 'BarlowCondensed-Bold';
    font-size: 72px;
    color: #008574;
}
.about_skylab .left .number .box span.unitC{
    font-size: 36px;
}
.about_skylab .left .number .box p{
    margin-top: 20px;
    color: #999;

}
.about_skylab .right{
    position: relative;
}
.about_skylab .right .logo{
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 20%;
    animation: top 2.5s infinite;
}
@keyframes top {
    0% {margin-top: 0;}
    50% {margin-top: 30px;}
    100% {margin-top: 0px;}
}
.about_skylab2{
    background: url(/lib/images/about/bg_2.jpg);
}
.about_skylab2 .content{
    flex-direction: row-reverse;
}
.about_skylab2 .left h2{
    color: #fff;
}
.about_skylab2 .left .line{
    background: #fff;
}
.about_skylab2 .left p{
    color: #fff;
    margin-bottom: 15px;
}
.big_swiper{
    padding-top: 160px;
    padding-bottom: 220px;
    background: url(/lib/images/about/img_history_bg.png) no-repeat center;
}
.big_swiper h3{
    font-size: 56px;
    font-family: 'BarlowCondensed-Medium';
    color: #008574;
    font-weight: normal;
    text-align: center;
    margin-bottom: 150px;
}
.big_swiper .swiper-container-big{
    padding-bottom: 160px;
}
.big_swiper .swiper-slide .number{
    font-size: 56px;
    font-family: 'Barlow-Bold';
}
.big_swiper .swiper-slide{
    display: flex;
    align-items: center;
    flex-direction: column;
}
.big_swiper .swiper-slide .number span{
    font-size: 56px;
    font-family: 'Barlow-Bold';
}
.big_swiper .swiper-slide-active .number{
    font-size: 200px;
}
.big_swiper .swiper-slide-active .number span{
    color: #008574;
    font-size: 200px;
}
.big_swiper .swiper-slide-prev .number{
    margin-right: 120px;
}
.big_swiper .swiper-slide-next .number{
    margin-left: 120px;
}
.big_swiper .swiper-wrapper{
    align-items: center;
}
.big_swiper .swiper-slide .txt{
    display: none;
}
.big_swiper .swiper-slide-active .txt{
    position: absolute;
    bottom: -80%;
    display: block;
    font-size: 24px;
    font-family: 'Barlow-Regular';
    color: #666;
    text-align: center;
    line-height: 1.5;
}
.big_swiper .swiper-button-prev::after{
    content: '';
}
.big_swiper .swiper-button-next::after{
    content: '';
}
.big_swiper .swiper-button-prev svg{
    transform: rotate(180deg);
}
.big_swiper .swiper-button-prev,.big_swiper .swiper-button-next{
    width: 56px;
    height: 56px;
    background: #008574;
    border-radius: 50%;
}
.big_swiper .swiper-button-next.swiper-button-disabled,.big_swiper .swiper-button-prev.swiper-button-disabled{
    opacity: 1;
    border: 2px solid #e5e5e5;
    background: none;
}
.big_swiper .swiper-button-next.swiper-button-disabled svg, .big_swiper .swiper-button-prev.swiper-button-disabled svg{
    fill: #e5e5e5;
}
.big_swiper .swiper-button-next, .big_swiper .swiper-button-prev{
    top: 30%;
}
.big_swiper .swiper-button-next{
    right: 20%;
}
.big_swiper .swiper-button-prev{
    left: 20%;
}
.certificate{
    padding-top: 120px;
    padding-bottom: 60px;
    background: url(/lib/images/about/bg_3.jpg) no-repeat;
    background-size: cover;
    position: relative;
}
.certificate .bg{
    position: absolute;
    left: 0;
    bottom: 150px;
    width: 100%;
    height: 129px;
    background: url(/lib/images/about/img_cer_bg.png) no-repeat;
}
.certificate .content{
    margin-bottom: 40px;
}
.certificate h3{
    font-size: 56px;
    font-family: 'BarlowCondensed-Medium';
    color: #008574;
    font-weight: normal;
    text-align: center;
    margin-bottom: 110px;
}
.certificate .swiper-slide .img{
    position: relative;
    max-width: 264px;
    margin: 0 auto;
}
.certificate .swiper-slide .img img{
    width: 100%;
    height: 100%;
}
.certificate .swiper-slide .img .mask{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url(/lib/images/about/img_cer_frame.png) no-repeat center;
    background-size: cover;
}
.certificate .page{
    position: relative;
    width: 400px;
    margin: 0 auto;
    margin-top: 110px;
}
.swiper-container{
    --swiper-theme-color: #008574;
  }
.swiper-pagination-number{
    justify-content: start;
    font-size: 16px;
    align-items: baseline;
}
.swiper-pagination-number span{
    font-size: 16px;
    color: #666;
}
.swiper-pagination-number span.swiper-pagination-current{
    font-size: 32px;
    font-family: 'Barlow-Bold';
    color: #008574;

}
.swiper-scrollbar{
    height: 3px;
    margin-top: 10px;
}
.swiper-scrollbar-drag{
    background: #008574;
}
@media (max-width:1600px) {
    .big_swiper{
        background-size: contain;
    }
    .about_skylab2 .right{
        margin-right: 50px;
    }
}
@media (max-width:1279px){
    .video .video_in h2{
        margin-bottom: 20px;
    }
    .about_skylab .left .number .box{
        margin-right: 30px;
    }
}
@media (max-width:1023px){
    .video .video_in h1{
        font-size: 36px;
    }
    .video .video_in h2{
        font-size: 36px;
        max-width: 480px;
    }
    .video .video_in img{
        width: 80px;
    }
    .about_skylab{
        padding: 80px 30px;
    }
    .about_skylab .content{
        flex-direction: column;
    }
    .about_skylab2 .right{
        margin-right: 0;
        margin-top: 30px;
    }
    .big_swiper{
        padding-top: 80px;
        padding-bottom: 80px;
    }
    .big_swiper h3{
        margin-bottom: 80px;
    }
    .big_swiper .swiper-slide-active .number{
        font-size: 150px;
    }
    .big_swiper .swiper-slide-active .number span{
        font-size: 150px;
    }
    .big_swiper .swiper-slide-active .txt{
        bottom: -88%;
        width: 520px;
    }
    .big_swiper .swiper-button-next, .big_swiper .swiper-button-prev{
        top: 26%;
    }
}
@media (max-width:767px){
    .video{
        height: 260px;
    }
    .video>img{
        object-fit: cover;
        height: inherit;
    }
    .video .video_in h1{
        font-size: 28px;
    }
    .video .video_in h2{
        font-size: 28px;
    }
    .video .video_in img{
        width: 56px;
    }
    .about_skylab{
        padding: 30px 0;
    }
    .about_skylab .left h2{
        font-size: 28px;
    }
    .about_skylab .left .line{
        margin-bottom: 20px;
    }
    .about_skylab .left .number{
        margin-top: 30px;
    }
    .about_skylab .left .number .box span{
        font-size: 48px;
    }
    .about_skylab .left .number .box span.unitC{
        font-size: 28px;
    }
    .about_skylab .left .number .box{
        width: 33%;
        margin-right: 10px;
    }
    .about_skylab .right .logo{
        width: 60%;
    }
    .big_swiper{
        padding: 30px 15px;
    }
    .big_swiper h3{
        margin-bottom: 30px;
        font-size: 28px;
    }
    .big_swiper .swiper-slide-active .number{
        font-size: 100px;
    }
    .big_swiper .swiper-slide-active .number span{
        font-size: 100px;
    }
    .big_swiper .swiper-button-next, .big_swiper .swiper-button-prev{
        top: 20%;
    }
    .big_swiper .swiper-button-prev{
        left: 0%;
    }
    .big_swiper .swiper-button-next{
        right: 0%;
    }
    .big_swiper .swiper-slide-active .txt{
        position: static;
        width: 100%;
        margin-top: 30px;
        font-size: 18px;
    }
    .big_swiper .swiper-button-prev, .big_swiper .swiper-button-next{
        width: 44px;
        height: 44px;
    }
    .big_swiper .swiper-container-big{
        padding-bottom: 0px;
    }
    .certificate{
        padding-top: 30px;
        padding-bottom: 30px;
    }
    .certificate h3{
        font-size: 36px;
        margin-bottom: 30px;
    }
    .certificate .page{
        margin-top: 80px;
        width: 100%;
    }
    .certificate .bg{
        bottom: 50px;
    }
    .certificate .content{
        margin-bottom: 0;
    }
}