#banner .swiper-slide a {
    position: relative;
    display: block;
    width: 100%;
    height: 0;
    padding-bottom: 24%;
}
#banner img {
    position: absolute;
    width: 100%;
    height: 100%;
}
#banner .swiper-pagination-bullet {
    width: 20px;
    height: 20px;
}

#banner .swiper-pagination-bullet-active {
    opacity: 1;
    background: #02B2B5;
}