body,ul,li,p{
    margin: 0;
    padding: 0;
    list-style: none;
}
.swiper-container {
    width: 100%;
    position: relative;
    overflow: hidden;
}
.dot {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
}
.dot li {
    width: 15px;
    height: 15px;
    border-radius: 100%;
    background: #fff;
    margin-right: 10px;
}
.dot .active {
    background: red;
}
.swiper-wrapper {
    position: relative;
    display: flex;
}
.swiper_item {
    flex-shrink: 0;
    width: 100%;
}
.swiper-wrapper img {
    width: 100%;
}

.action {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.but {
    color: #fff;
    font-size: 40px;
}