.kj-thumb {
  position: relative;
}
.kj-item-tooltip {
  width: 100%;
  height: 100%;
  color: #FFFFFF;
  font-size: 14px;
  background-color: var(--mask-color);
  position: absolute;
  top: 0;
  text-align: center;
  padding-top: 28%;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
}
.kj-item-tooltip span {
  display: block;
  margin: 0 auto;
  color: var(--active-color);
  font-size: 14px;
  width: 94px;
  line-height: 22px;
  border: 1px solid var(--active-color);
  border-radius: 22px;
}
.kj-item:hover .kj-item-tooltip {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.3s;
}
.preview {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 999;
  text-align: right;
}
.preview span {
  display: inline-block;
}
.preview .preview-close {
  position: absolute;
  right: -50px;
  text-align: right;
  margin-bottom: 8px;
  cursor: pointer;
}
.preview-prev,
.preview-next {
  font-size: 24px;
  color: #ff8a57;
  padding: 20px 8px;
  border-radius: 3px;
  background-color: #606266;
  position: absolute;
  cursor: pointer;
  z-index: 3005;
  top: 50%;
  left: -50px;
  margin-top: -32px;
  user-select: none;
}
.preview-prev.disable,
.preview-next.disable {
  cursor: not-allowed;
  color: #999999;
  background-color:rgba(96, 98, 102, 0.5);
  transition: all 0.2s;
}
.preview-next {
  right: -50px;
  left: auto;
}
.preview-prev:active {
  left: -52px;
}
.preview-next:active {
  right: -52px;
}
.preview-close img {
  width: 40px;
  height: 44px;
  vertical-align: middle;
}
.preview-image {
  vertical-align: middle;
}
.preview-title {
  width: 100%;
  color: #FFFFFF;
  text-align: left;
  font-size: 16px;
  line-height: 36px;
  position: absolute;
  bottom: 0;
  padding: 0 10px;
  box-sizing: border-box;
  background-color: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
/* 移动端 */
@media screen and (max-width: 768px) {
  .preview {
    transform: translate(-50%, -50%) rotate(90deg);
    width: 80vh;
    height: auto;
  }
  .preview-close img {
    width: 34px;
    height: 34px;
  }
  .preview-image {
    width: 100%;
  }
  .preview-title {
    font-size: 14px;
    line-height: 34px;
  }
  .kj-item-tooltip {
    display: none;
  }
}
