.publication-sheet-layer.publication-media-layer {
  /* 系统图片预览位于 999 层，管理弹窗须在其下方，关闭预览后保留编辑状态。 */
  z-index: 998;
}
.publication-media-layer .media-grid .media-item .media-remove.media-remove-image {
  top: 4px;
  right: 4px;
  z-index: 2;
  width: 28px;
  min-width: 28px;
  height: 28px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.58);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}
.publication-media-layer .media-remove.media-remove-image uni-image { width: 12px; height: 12px; filter: brightness(0) invert(1); }
.publication-media-layer .media-grid .media-item .media-remove.media-remove-image::before { content: none; }
.publication-media-layer .media-grid .media-item .media-remove.media-remove-image::after { border: 0; }