/* 内联样式确保主题色立即生效，避免闪烁 */
      html,
      body {
        margin: 0;
        padding: 0;
        width: 100%;
        height: 100%;
      }
      html.light,
      html.light body {
        background-color: #ffffff !important;
        color: #000000;
      }
      html.dark,
      html.dark body {
        background-color: #1a1a1a !important;
        color: #ffffff;
      }