#bubbleCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
    pointer-events: none;
  }


/* 让 TOC 彻底变成纯白背景，不透出背景图 */
#toc,
.post-toc,
.toc-wrapper,
.post .toc-wrapper,
.post-toc-content {
  background: #ffffff !important;  /* 纯白背景 */
  background-image: none !important; /* 禁止继承任何背景图 */
  border-radius: 10px;
  padding: 1rem 1.2rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  color: #1a1a1a !important;
  backdrop-filter: none !important; /* 禁止毛玻璃层混合背景 */
  z-index: 10; /* 确保盖在背景图之上 */
}

/* 暗色模式下 */
[data-theme="dark"] #toc,
[data-theme="dark"] .post-toc,
[data-theme="dark"] .toc-wrapper {
  background: #1e1e1e !important;
  background-image: none !important;
  color: #f0f0f0 !important;
}