main .sec-1{
    position: relative;
}
main .sec-1 .video-btn{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, .8);
}
main .sec-1 .video-btn dl{
    color: #ffffff;
    font-size: .22rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 100%;
    transform: translate(-50%, -50%);
}
main .sec-1 .video-btn dl dd:first-child{
    font-weight: bold;
}
main .sec-1 .video-btn dl dd:nth-child(2){
    font-size: .12rem;
    margin: .08rem 0 .15rem;
}
main .sec-1 .video-btn dl dt{
    font-size: .12rem;
    width: 1.2rem;
    text-align: center;
    cursor: pointer;
    height: .32rem;
    line-height: .32rem;
    border-radius: .28rem;
    border: 1px solid #ffffff;
    color: #fff;
}
main .sec-2{
    padding: 0 .15rem;
    margin: .2rem 0;
    box-sizing: border-box;
}
main .sec-2 .sub h3{
    font-size: .28rem;
    margin-bottom: .15rem;
}
main .sec-2 .sub p{
    line-height: .22rem;
    margin-bottom: .1rem;
    color: #808080;
}
main .sec-2 dl{
    display: flex;
    flex-wrap: wrap;
}
main .sec-2 dl dd{
    width: 50%;
    margin: .1rem 0 .15rem;
}
main .sec-2 dl dd p:first-child{
    font-size: .35rem;
    font-weight: bold;
}
main .sec-2 dl dd p:first-child sup {
    font-size: .15rem;
}
main .sec-2 dl dd p:last-child {
    font-size: .13rem;
    color: #7F7F7F;
}
main .sec-2 .img{
    position: relative;
    width: 100%;
    /* padding-left: .6rem; */
    box-sizing: border-box;
}
main .sec-2 .img .img-1{
    width: 100%;
}
main .sec-2 .img .img-2{
    position: absolute;
    bottom: 0;
    left: 0;
    width: 3rem;
}
main .sec-2 .more-btn a{
    display: block;
    font-size: .12rem;
    margin: .2rem auto 0;
    color: #ffffff;
    width: 1rem;
    text-align: center;
    height: .3rem;
    line-height: .3rem;
    background: #2737AB;
    border-radius: .2rem;
}
main .sec-3{
    width: 100%;
    height: 4rem;
    background: #ffffff url(../../images/bg_1.png) no-repeat;
    background-size: 100% 100%;
    /* background-attachment: fixed; */
    position: relative;
    padding: .2rem 0;
    box-sizing: border-box;
}
main .sec-3 .swiper{
    width: 100%;
    height: 100%;
    padding: .4rem .1rem;
    box-sizing: border-box;
}
main .sec-3 .swiper a{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    background: #ffffff;
    border-radius: .06rem;
}
main .sec-3 .swiper a img{
    max-width: 100%;
    max-height: 100%;
    object-fit: cover;
}
.swiper-container-horizontal>.swiper-pagination-bullets .swiper-pagination-bullet{
    background: rgba(255, 255, 255, .8);
}
main .sec-4{
    padding-top: .4rem;
    padding-bottom: .4rem;
}
main .sec-4 a{
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding-bottom: .15rem;
    color: #000000;
    background-color: #f3f3f3;
}
main .sec-4 dt{
    width: 100%;
    height: 2rem;
}
main .sec-4 a dl dt img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all .5s ease;
}
main .sec-4 a dl dd{
    padding: .1rem .15rem;
    box-sizing: border-box;
    background: #ffffff;
}
main .sec-4 a dl dd span{
    color: #808080;
    font-size: .12rem;
}
main .sec-4 a dl dd h4{
    margin: .08rem 0;
    font-size: .16rem;
}
main .sec-4 a dl dd p{
    font-size: .12rem;
    color: #808080;
    line-height: .2rem;
}
main .sec-4 a dl dd div{
    display: inline-block;
    font-size: .12rem;
    transition: all .3s ease;
    padding-left: 0;
    height: .22rem;
    width: .68rem;
    text-align: center;
    line-height: .22rem;
    color: #ffffff;
    background: #2737AB;
    margin-top: .15rem;
}
main .sec-4 .more-btn{
    position: relative;
    top: -.15rem;
    background: #ffffff;
}
main .sec-4 .more-btn a{
    display: block;
    font-size: .12rem;
    margin: 0 auto 0;
    color: #ffffff;
    width: 1rem;
    text-align: center;
    height: .3rem;
    line-height: .3rem;
    background: #2737AB;
    border-radius: .2rem;
}