.content .about-desc{
    font-size: 14px;
    color: #666666;
    line-height: 21px;
    margin-bottom: 40px;
}
.content .about-content{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.content .about-content .about-image{
    width: 63.4%;
    aspect-ratio: 761 / 388;
}
.content .about-content .about-image img{
    width: 100%;
    height: 100%;
}
.content .about-content .about-text{
    width: 33.25%;
}
.content .about-content .about-text .about-text-desc{
    font-size: 14px;
    color: #1A1A1A;
    line-height: 21px;
    margin-bottom: 30px;
}
.content .about-engineering{
    margin-top: 40px;
    display: flex;
}
.content .about-engineering .about-engineering-item{
    width: 33.3%;
    text-align: center;
}
.content .about-engineering .about-engineering-item .about-engineering-item-icon{
    width: 40px;
    height: 40px;
    margin: 0 auto;
}
.content .about-engineering .about-engineering-item .about-engineering-item-icon img{
    width: 100%;
    height: 100%;
}
.content .about-engineering .about-engineering-item .about-engineering-item-name{
    font-size: 20px;
    color: #999999;
    line-height: 22px;
    margin: 12px 0;
}
.content .about-engineering .about-engineering-item .about-engineering-item-num{
    font-family: DIN, DIN;
    font-weight: bold;
    font-size: 36px;
    color: #666666;
    line-height: 44px;
}
.content .about-engineering .about-engineering-line{
    width: 1px;
    background: #666666;
}






.certificate_warp{
    width: 100%;
    position: relative;
    background: #F6F6F6;
}
.certificate_warp .about_bg{
    width: 100%;
    height: 345px;
    background: #0070D9;
    position: absolute;
    top: 0;
}
.certificate_warp .certificate{
    width: 1200px;
    margin: 0 auto;
    position: relative;
    padding-top: 60px;
}
.certificate_warp .certificate .title{
    color: #FFFFFF;
}
.certificate .swiper-slide img{
    width: 100%;
    cursor: pointer;
}
.certificate .swiper-button-prev,
.certificate .swiper-button-next{
    width: 30px;
    height: 30px;
    border: 1px solid #FFFFFF;
    border-radius: 50%;
    top: 45%;
}
.certificate .swiper-button-prev{
    left: -62px;
}
.certificate .swiper-button-next{
    right: -62px;
}
.certificate .swiper-button-prev::after,
.certificate .swiper-button-next::after{
    font-size: 16px;
    color: #FFFFFF;
}


@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .certificate_warp .certificate{
        width: 900px;
    }
    .certificate_warp .about_bg{
        height: 160px;
    }
    .certificate .swiper-button-prev,
    .certificate .swiper-button-next{
        width: 36px;
        height: 36px;
    }
    .certificate .swiper-button-prev{
        left: -50px;
    }
    .certificate .swiper-button-next{
        right: -50px;
    }
}
@media only screen and (max-width: 1000px) {
    .certificate_warp .certificate{
        width: 700px;
    }
    .certificate_warp .about_bg{
        height: 130px;
    }
    .certificate .swiper-button-prev,
    .certificate .swiper-button-next{
        width: 36px;
        height: 36px;
    }
    .certificate .swiper-button-prev{
        left: -50px;
    }
    .certificate .swiper-button-next{
        right: -50px;
    }
}


.partner_warp{
    width: 100%;
    background: #F6F6F6;
    padding: 60px 0;
}
.partner{
    width: 1200px;
    margin: 0 auto;
}
.partner .partner-desc{
    font-size: 14px;
    color: #666666;
    line-height: 21px;
}
.partner .partner-list{
    display: flex;
    margin-top: 30px;
    flex-wrap: wrap;
}
.partner .partner-list .partner-item{
    width: 16.666666%;
    aspect-ratio: 2 / 1;
    margin-top: 20px;
    border: 1px solid #707070;
    margin-left: -1px;
    cursor: pointer;
    overflow: hidden;
}
.partner .partner-list .partner-item img{
    width: 100%;
    height: 100%;
    transition: all 0.5s ease;
}
.partner .partner-list .partner-item:hover img{
    transform: scale(1.1);
}



@media only screen and (min-width: 1000px) and (max-width: 1440px) {
    .partner{
        width: 900px;
    }
}
@media only screen and (max-width: 1000px) {
    .partner{
        width: 700px;
    }
}