/*图片查看器*/

.big_img {
    position: fixed;
    z-index: -1;
    opacity: 0;
    background: rgba(0, 0, 0, .9);
    width: 100%;
    height: 100%;
    top: 0;
    left: 0
}
.big_img .swiper-num{position: absolute; top:20px; right: 20px; color: #fff; padding: 5px 10px; border-radius: 20px; background:rgba(0,0,0,.5); z-index: 9999;}
.big_img .swiper-container2 {
    position: relative;
    width: 100%;
    height: 100%
}

.big_img .swiper-container2 .swiper-wrapper {
    width: 100%;
    height: 100%
}

.big_img .swiper-slide {
    width: 100%;
    height: 100%;
    display: block;
}

.big_img .swiper-slide .cell {
    width: 100%;
    height: 100%;
    display: flex;align-items: center;justify-content: center;
    cursor: pointer;
}

.big_img .swiper-slide img {
    max-width: 90%;
    max-height: 90%;
    margin: 0 auto
}

.big_img .swiper-pagination2 {
    position: absolute;
    bottom: 20px;
    text-align: center;
    width: 100% ;z-index: 9999;
}

.big_img .swiper-pagination2 span {
    margin: 0 5px
}