.mermaid {
  background: transparent !important;
  padding: 0 !important;
  margin: 20px 0 !important; /* 上下留点间距，避免太贴近文字 */
  display: flex;
  justify-content: center; /* 图表自动居中 */
  align-items: center;

  .label {
    font-weight: normal;
    font-size: 0.88rem;
  }

  .edgePath .path {
    stroke: #02d7f2 !important; /* 连接线蓝色（赛博朋克风，可改成你主题主色） */
  }

  .arrowheadPath {
    fill: white !important; /* 箭头白色 */
  }

  .edgeLabel {
    background-color: rgba(13, 17, 23, 0.8) !important; /* 标签背景半透明深色 */
    color: white !important;
    border-radius: 4px;
    padding: 4px 8px;
  }

  .edgeLabel rect {
    opacity: 0 !important; /* 去除标签默认矩形边框 */
    fill: transparent !important;
  }

  svg {
    max-width: 100% !important;
    height: auto !important;
  }
}