.aBg{
    padding: .6rem 0;
}
.aBg1{
    background: url(../images/about/aBg1.png) center center no-repeat;
    background-size: cover;
    overflow: hidden;
}
.aBg1 .hm2Img{
    position: relative;
    margin: .28rem .2rem .45rem;
    overflow: visible;
    z-index: 1;
}
.aBg1 .hm2Img::before{
    display: block;
    content: "";
    position: absolute;
    left: -.2rem;
    bottom: -.45rem;
    width: 280px;
    height: 174px;
    max-width: 45%;
    max-height: 50%;
    background: var(--baseColor);
    z-index: -1;
}
.aBg1 .hm2Img::after{
    display: block;
    content: "";
    position: absolute;
    width: 227px;
    height: 141px;
    max-width: 38%;
    max-height: 40%;
    right: -.2rem;
    top: -.28rem;
    background: #EAEAEA;
    z-index: -1;
}
.aBg1 .hm2Text{
    width: 50%;
    max-width: 720px;
}
.aBg1 .hm2Con{
    height: auto;
}
.aBg1 .hm2List{
    margin-top: .3rem;
    margin-bottom: .3rem;
}

.aBg2{
    background: url(../images/about/aBg2.png) center center no-repeat;
    background-size: cover;
    overflow: hidden;
}

.a2Box{
    position: relative;
    margin-top: .4rem;
}
.a2Box::before{
    display: block;
    content: "";
    position: absolute;
    left: 0;
    top: calc(65px + .1rem);
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(244, 244, 244, 0) 0%, #F2F2F2 12%, #FFFFFF 50%, #FFFFFF 88%, rgba(229, 229, 229, 0) 100%);
    border-radius: 8px;
}
.a2Year{
    font-size: 30px;
    color: #FFFFFF;
    line-height: 60px;
    text-align: center;
    transition: all .3s;
}
.a2Dot{
    display: block;
    width: 13px;
    height: 13px;
    border-radius: 50%;
    background: #FFFFFF;
    margin: .1rem auto .6rem;
}
.a2Img{
    border-radius: 5px;
    overflow: hidden;
    margin-bottom: .25rem;
}
.a2Img img{
    width: 100%;
    height: auto;
}
.a2Text{
    font-size: 16px;
    color: #FFFFFF;
    line-height: 2;
}
.a2Text p{
    position: relative;
    padding-left: 14px;
}
.a2Text p::before{
    display: block;
    content: "▪";
    position: absolute;
    left: 0;
    top: 0;
}
.a2Box .swiperBtn{
    margin: .6rem auto 0;
}
.a2Box .hover .a2Year{
    font-size: 60px;
    color: #FFFFFF;
}
.a2Box .hmNext{
    margin-left: .6rem;
}
.aBg3{
    background-color: #FFFFFF;
    overflow: hidden;
}
.a3Box .swiper-container{
    margin: .6rem 0;
}
.a3Box .swiper-pagination{
    margin-top: .6rem;
}
.a3Link{
    max-width: 422px;
    margin: 0 auto;
}
.a3Img{
    position: relative;
    padding: .3rem .2rem;
    margin: 0 0 .25rem;
    background-color: #F8F8F8;
    transition: all .3s;
}
.a3Img .imgBg{
    height: 0;
    padding-bottom: 74.35%;
    background-size: contain;
}
.a3Tit{
    line-height: 1.2;
    font-weight: normal;
}
.a3Link:hover .a3Img{
    box-shadow: 0 -2px 0 4px var(--baseColor);
}


@media (max-width:1600px) {
    .a2Box::before{
        top: calc(53px + .1rem);
    }
    .a2Year{
        font-size: 24px;
        line-height: 48px;
    }
    .a2Img{
        margin-bottom: .2rem;
    }
    .a2Text{
        font-size: 14px;
    }
    .a2Box .hover .a2Year{
        font-size: 48px;
    }
}

@media (max-width:1400px){
    .a2Dot{
        margin: .1rem auto .4rem;
    }
}
@media (max-width:1200px){
    .aBg1 .hm2Img{
        margin: .2rem .1rem .3rem;
    }
    .aBg1 .hm2Img::before{
        left: -.1rem;
        bottom: -.2rem;
    }
    .aBg1 .hm2Img::after{
        right: -.1rem;
        top: -.2rem;
    }
    .a3Box .swiper-container{
        margin: .4rem 0;
    }
    .a3Box .swiper-pagination{
        margin-top: .3rem;
    }
}
@media (max-width:991px){
    .a2Box::before{
        top: calc(42px + .1rem);
    }
    .a2Year{
        font-size: 18px;
        line-height: 36px;
    }
    .a2Box .hover .a2Year{
        font-size: 36px;
    }
    .a2Dot{
        margin: .1rem auto .2rem;
    }
}
@media (max-width:767px){
    .aBg1 .hm2Text{
        width: 100%;
        max-width: 100%;
        margin-top: .5rem;
    }
}
@media (max-width:640px){

}
@media (max-width: 460px){
    .a2Box .hover .a2Year{
        font-size: 28px;
    }
    .a2Dot{
        transform: scale(0.8);
    }
    .a2Box .hmNext{
        margin-left: .2rem;
    }
}