html,
body {
    position: relative;
    height: 100%;
}

body {
    background: #fffefe;
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #000;
    margin: 0;
    padding: 0;
}

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-pagination-bullet {
    width: 20px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    font-size: 12px;
    color: #000;
    opacity: 1;
    background: rgba(0, 0, 0, 0.2);
}

.swiper-pagination-bullet-active {
    color: #fff;
    background: #007aff;
}