.emptyHead {
    color: rgba(var(--hy-auxiliary), 1);
    height: 44px;
    width: 44px;
    background: var(--item-background-main-color);
    box-shadow: 0 0 10px 2px var(--background-auxiliary-color);
    border-radius: 6px;
    border: 1px solid #454b5f;
    position: relative;
    overflow: hidden;
    span.uploadTips {
      color: #fff;
      position: absolute;
      top: 50%;
      left: 50%;
      width: 44px;
      font-size: 12px;
      line-height: 20px;
      transform: translate(-50%, -50%);
      opacity: 0;
      transition: 0.5s;
    }
  }
  .emptyHead:hover {
    img {
      opacity: 0.5;
    }
    span.uploadTips {
      opacity: 1;
    }
  }