body {
    font-family: helvetica, arial, sans-serif;
  }
  
  .vis-timeline {
    border-radius: 10px;
    /* border: 2px solid purple; */
    font-size: 12pt;
    background: #efefef;
  }
  
  .vis-item {
    /* border-color: #f991a3;
    background-color: #efefef;
    color: purple;*/
    box-shadow: 5px 5px 10px rgba(128, 128, 128, 0.2); 
  }
  
  .vis-item,
  .vis-item.vis-line {
    border-width: 3px;
  }
  
  .vis-item.vis-dot {
    border-width: 10px;
    border-radius: 10px;
  }
  
  .vis-item.vis-selected {
    border-color: green;
    background-color: lightgreen;
  }
  
  .vis-time-axis .vis-text {
    color: purple;
    padding-top: 10px;
    padding-left: 10px;
    word-wrap: break-word;
    white-space: normal;
    overflow-wrap: break-word; /* 控制文本换行 */
  }
  
  .vis-time-axis .vis-text.vis-major {
    font-weight: bold;
  }
  
  .vis-time-axis .vis-grid.vis-minor {
    border-width: 2px;
    border-color: pink;
  }
  
  .vis-time-axis .vis-grid.vis-major {
    border-width: 2px;
    border-color: #f991a3;
  }