#swiper-banner .swiper-pagination{
    position: absolute;
    bottom: 80px;
}
#swiper-banner{
    height: 580px;
}
#swiper-banner img{
    height: 100%;
    width: 100%;
    margin-left: 50%;
    transform: translateX(-50%);
}
.slide_banner {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.slide_banner img:nth-child(2){
    display: none;
}
.slide_banner img:nth-child(1){
    display: block;
}
#swiper-banner .swiper-pagination-bullet{
    background: #fff;
    margin: 0 20px;
    opacity: 1;
    vertical-align: middle;
    color:transparent;
    outline: none;
}
#swiper-banner .swiper-pagination-bullet.swiper-pagination-bullet-active{
    background: #007aff;
}
@media (max-width: 768px) {
    .slide_banner img:nth-child(2){
        display: block;
    }
    .slide_banner img:nth-child(1){
        display: none;
    }
    #swiper-banner{
        height: auto;
    }
    #swiper-banner img{
        width: 100%;
        height: auto;
    }
    #swiper-banner .swiper-pagination{
        bottom: 10px;
    }
}