/* 通用过渡动画 */
img {
    transition: transform 0.3s ease;
  }
  
  /* 所有 rectangle（矩形标签）向上移动 4px */
  [class^="svg-rectangle-"]:hover {
    transform: translateY(-4px);
  }
  
  /* 四个目录按钮向上移动 50px */
  .svg-photography-directory:hover,
  .svg-tech-directory:hover,
  .svg-music:hover,
  .svg-architecture-directory:hover {
    transform: translateY(-50px);
  }
 
  /* === 图片初始隐藏、悬停出现 === */

  .go-to-my-desk {
    opacity: 0;
    transition: opacity 0.3s ease;
    display: block;
    pointer-events: none;
    position: absolute;
    width: 177px;
    height: 271px;
    left: 515px;
    top: 451px;
    z-index: 100;
  }
  
  a:hover + .go-to-my-desk {
    opacity: 1;
  }