#banner-kelin img {
    width: 100%;
}
#banner-kelin .swiper-pagination-bullets {
    bottom: 20px;
}

#banner-kelin .swiper-pagination-bullet {
    height: 15px;
    width: 15px;
    margin: 0 12px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 15px;
    opacity: 1;
    box-sizing: border-box;
}

#banner-kelin .swiper-pagination-bullet-active {
    width: 30px;
    background: rgba(255, 255, 255, 1);
}

@media screen and (max-width: 768px) {
    #banner-kelin .swiper-pagination-bullets {
        bottom: 10px;
    }

    #banner-kelin .swiper-pagination-bullet {
        height: 10px;
        width: 10px;
        margin: 0 3px;
    }

    #banner-kelin .swiper-pagination-bullet-active {
        width: 25px;
    }
}