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

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.c-title {
    color: azure;
    width: 100%;
    text-indent: 0px;  /*首行缩进20个像素*/
    height: 30px;
    line-height: 30px;
    position: absolute;
    bottom: 0;
    background-color: rgba(0, 0, 0, .3); /*透明效果*/
}