.image-gallery {
  position: fixed;
  z-index: 1000;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: #000;
  display: flex;
  align-items: center;
}
.image-gallery .image-gallery-indicator {
  position: absolute;
  top: 40px;
  left: 50%;
  z-index: 10;
  transform: translateX(-50%);
  font-size: 16px;
  color: #fff;
}
.gallery-swiper {
  width: 100%;
  height: 100%;
}

.gallery-swiper .swiper-slide {
  overflow: hidden;
}
.gallery-swiper .swiper-pagination {
  position: fixed;
  color: #fff;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  height: 0;
}
/* fix: 修复只有一张图片时不显示pagination的问题, 配置watchOverflow: false应该也可以 */
.gallery-swiper .swiper-pagination-lock {
  display: block;
}