body,ul,li {
    margin: 0;
    padding: 0;
    list-style: none;
}
.swiper {
    width: 520px;
    height: 280px;
    overflow: hidden;
    margin: 10% auto;
    position: relative;
}
.swiper-wrapper {
    display: flex;
}
.swiper-wrapper li {
    flex-shrink: 0;
}
.swiper-wrapper img {
    width: 100%;
    height: 100%;
}
.swiper-button {
    position: absolute;
    top: 50%;
    color: #fff;
    font-size: 23px;
    padding: 5px 5px;
    background: #00000075;
    transform: translateY(-50%);
}
.prev {
    left: 0;
}
.next {
    right: 0;
}
.swiper-pagination {
    display: flex;
    position: absolute;
    left: 50%;
    bottom: 16px;
    transform: translate(-50%);
}
.swiper-pagination li {
    width: 8px;
    height: 8px;
    border-radius: 100%;
    background: #CCC;
    margin-right: 5px;
}
.swiper-pagination .active {
    background: #007aff !important;
}