.index_banner {
    width: 100%;
    height: 200px;
    position: relative;
    overflow: hidden;
    margin-bottom: 5px;
    border-radius: 8px
}

.swiper {
    height: 100%
}

.index_banner .swiper-wrapper {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 5
}

.index_banner .swiper-slide img {
    display: block;
    width: 100%;
    height: 100%
}

.index_banner .swiper-pagination-bullets {
    bottom: 0!important
}

.index_banner .swiper-pagination-bullet-active {
    background: #fff
}

@media screen and (max-width: 721px) {
    .index_banner {
        height:200px
    }

    .index_banner .swiper-button-prev,.index_banner .swiper-button-next {
        display: none
    }

    .index_banner .swiper-pagination-bullet {
        width: 7px;
        height: 7px
    }
}

@media screen and (max-width: 499px) {
    .index_banner {
        height:150px
    }
}

@media screen and (max-width: 430px) {
    .index_banner {
        height:140px
    }
}