main .video_text{
    margin-top: -280px;
    position: relative;
    z-index: 9;
}
main .video_text .video{
    position: relative;
}
main .video_text .video .mask{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    flex-direction: column;
}
main .video_text .video .mask .img{
    position: relative;
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.5s;
}
main .video_text .video .mask:hover .img{
    transform: scale(1.1);
}
/* main .video_text .video .mask .img::after{
    position: absolute;
    width: 120%;
    height: 120%;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    content: '';
    border: 4px dashed #1168c9;
    border-radius: 50%;
} */

@-webkit-keyframes changeleft{
		 
    0%{-webkit-transform: rotate(0deg);}

    50%{-webkit-transform: rotate(-180deg);}

    100%{-webkit-transform: rotate(-360deg);}
}
main .video_text .video .mask p{
    font-family: 'Medium';
    font-size: 0.32rem;
    color: #fff;
    text-align: center;
}

main .video_text .text .top{
    margin-top: 1rem;
    margin-bottom: 0.6rem;
}
main .video_text .text .top h3{
    font-family: 'Medium';
    color: #1168c9;
    font-size: 0.32rem;
    position: relative;
    display: inline-block;
} 
main .video_text .text .top h3::after{
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #1168c9;
    content: '';
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
    right: -20px;
}
main .video_text .text .title p{
    font-family: 'Medium';
    color: #333;
    font-size: 0.2rem;
}

.about_text{
    position: relative;
}
.about_text img{
    width: 100%;
}
.about_text .text{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    max-width: 1200px;
    width: 100%;
}
.about_text .text p{
    font-size: 0.32rem;
    font-family: 'Medium';
    color: #fff;
    text-align: center;
}

main .technology{
    padding: 1.2rem 0;
}
main .technology .title{
    align-items: flex-start;
    max-width: 520px;
    width: 100%;
    margin-bottom: 0.8rem;
}
main .technology .title h2{
    text-align: left;
}
main .technology .title p{
    text-align: left;
    color: #333;
}
main .technology .cart h3{
    margin-top: 0.5rem;
    margin-bottom: 0.1rem;
    font-size: 0.2rem;
    font-family: 'Medium';
}
main .technology  .arrow{
    margin-bottom: .4rem;
}
main .technology  .arrow .content{
    position: relative;
    width: 100%;
    height: 30px;
}
.swiper-button-next-technology:after, .swiper-button-prev-technology:after{
    display: none;
}
.swiper-button-prev-technology{
    left: auto;
    right: 70px;
}
.swiper-button-next-technology.swiper-button-disabled, .swiper-button-prev-technology.swiper-button-disabled{
    opacity: 1;
}
.swiper-button-next-technology.swiper-button-disabled svg path, .swiper-button-prev-technology.swiper-button-disabled svg path{
    fill: #BEC4CB;
}
.swiper-button-prev-technology::before{
    position: absolute;
    right: -17px;
    width: 1px;
    height: 20px;
    background-color: #BEC4CB;
    content: '';
}


main .history{
    padding: 0 0.4rem;
    position: relative;
}
main .history .history_bg{
    background-repeat: no-repeat;
    background-size: cover;
    padding: 0.8rem 0;
}
main .history .content{
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
}
main .history .content .title h2{
    color: #fff;
}
main .history .content .swiper{
    display: flex;
    justify-content: center;
}
main .history .content .left{
    max-width: 50%;
    width: 100%;
}
main .history .content .right{
    padding: 0.7rem;
    padding-bottom: 0.4rem;
    flex: 1;
    background-color: #FFF;
    max-width: 50%;
    width: 100%;
}
main .history .content .right h3{
    font-size: 0.32rem;
    font-family: 'Medium';
    margin-bottom: 0.2rem;
}
main .history .content .right p{
    color: #666;
}
main .history .content .right .line{
    width: 100%;
    height: 1px;
    background-color: #e5e5e5;
    margin: 0.3rem 0;
}
main .history .content .right .arrow{
    position: relative;
    width: 100%;
    height: 64px;
}
main .history .content .year{
    margin-top: 0.3rem;
    padding: 0 0.38rem;
    position: relative;
}
main .history .content .year .swiper-year{
    padding: 0 20px;
}
main .history .content .year::after{
    position: absolute;
    width: 100%;
    height: 1px;
    background-color: #F0F3F7;
    content: '';
    top: 82px;
    left: 0;
}
main .history .content .year .box{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 20px;
    cursor: pointer;
}
main .history .content .year .box span{
    font-family: 'Medium';
    color: #F0F3F7;
    font-size: 20px;
    margin-bottom: 20px;
}
main .history .content .year .box .square{
    width: 28px;
    height: 28px;
    background-color: #F0F3F7;
    position: relative;
    transform: rotate(45deg);
}
main .history .content .year .box .square::after{
    position: absolute;
    width: 14px;
    height: 14px;
    background-color: #081838;
    content: '';
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
main .history .content .year .swiper-slide-thumb-active .box .square::after{
    background-color: #1168c9;
}
main .history .content .year .swiper-slide-thumb-active .box span{
    font-size: 32px;
    margin-top: -15px;
}
.swiper-button-next-history:after, .swiper-button-prev-history:after{
    display: none;
}
.swiper-button-next-history, .swiper-button-prev-history{
    width: 64px;
    height: 100%;
    background-color: #F0F3F7;
} 
.swiper-button-prev-history{
    left: auto;
    right: 74px;
}

.swiper-button-next-history:hover, .swiper-button-prev-history:hover{
    background-color: #1168c9;
}
.swiper-button-next-history:hover svg path, .swiper-button-prev-history:hover svg path{
    fill: #fff;
}

main .certificate{
    padding: 0 0.4rem;
    padding-top: 1.2rem;
}
main .certificate .content{
    overflow: visible;
}
main .certificate .content .title{
    align-items: flex-start;
}
main .certificate .swiper{
    position: relative;
    margin-bottom: 0.4rem;
}
.swiper-certificate .swiper-slide img{
    width: 100%;
}
.swiper-button-next-certificate{
    right: -5%;
}
.swiper-button-prev-certificate{
    left: -5%;
}
.swiper-button-next-certificate, .swiper-button-prev-certificate{
    width: auto;
}
.swiper-button-next-certificate::after, .swiper-button-prev-certificate::after{
    display: none;
}
main .certificate .certificate_btm{
    width: 100%;
    height: 80px;
    background: #FFFFFF;
    box-shadow: 0px 3px 51px 0px rgba(0,0,0,0.2);
    position: relative;
    z-index: 9;
}

main .consumers{
    padding: 1.4rem 0;
    background-image: url(/lib/images/about_us/consumers_bg.png);
    background-repeat: no-repeat;
    background-size: contain;
    background-position: right center;
}
main .consumers .content{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
main .consumers .content .left{
    max-width: 746px;
    width: 100%;
    margin-right: 0.3rem;
}
main .consumers .content .left .title{
    align-items: flex-start;
}
main .consumers .content .left .title h2{
    text-align: left;
}

main .consumers .content .left .title p{
    text-align: left;
    color: #333;
    max-width: 614px;
    width: 100%;
    margin-top: 0.5rem;
}
main .consumers .content .left .list{
    display: flex;
    flex-wrap: wrap;
}
main .consumers .content .left .list .box{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-right: 0.6rem;
    margin-bottom: 10px;
}
main .consumers .content .left .list .box p{
    margin-top: 10px;
}
main .consumers .content .right{
    position: relative;
}
main .consumers .content .right img{
    position: relative;
    z-index: 9;
}
main .consumers .content .right .bg{
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 8;
    
}

main .contact{
    display: flex;
    margin-bottom: 1.6rem;
}
main .contact .box{
    flex: 1;
    position: relative;
}
main .contact .box .mask{
    position: absolute;
    width: 100%;
    height: 20%;
    bottom: 0;
    left: 0;
    background: linear-gradient(to bottom,rgba(0, 0, 0, 0.0),rgba(21, 186, 136,0.3));
    opacity: 0;
    transition: all 0.5s;
}
main .contact .box:hover .mask{
    opacity: 1;
}

main .contact .box .text{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}
main .contact .box .text *{
    color: #fff;
}
main .contact .box .text h4{
    font-family: 'Medium';
    font-size: 0.32rem;
    text-align: center;
    margin-bottom: 0.3rem;
}
main .contact .box .text span{
    font-family: 'Medium';
    display: flex;
    align-items: center;
}
main .contact .box .text span img{
    margin-left: 20px;
}



@media (max-width:1023px) {
    main .video_text{
        margin-top: -100px;
    }
}

@media (max-width:767px) {
    main .video_text{
        margin-top: -130px;
    }
    main .video_text .video>img{
        height: 300px;
        object-fit: cover;
    }
    .about_text img{
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
    }
    .about_text .text{
        position: relative;
        top: 0;
        left: 0;
        transform: none;
        padding: 30px 15px;
    }
    main .technology .cart{
        padding: 0 10px;
    }
    main .history .content .swiper{
        flex-direction: column;
    }
    main .history .content .left{
        max-width: 100%;
    }
    main .history .content .right{
        max-width: 100%;
    }
    main .consumers .content{
        flex-direction: column;
    }
    main .consumers .content .left{
        max-width: 100%;
        margin-right: 0;
        margin-bottom: 30px;
    }
    main .consumers .content .right{
        width: 80%;
    }
    main .consumers .content .right .bg{
        width: 35%;
    }
    main .contact{
        flex-direction: column;
    }
    main .video_text .text .title p{
        font-size: 0.28rem;
    }
    

}