#dify-chatbot-bubble-button {
    background-color: #1C64F2 !important;   /* 按钮颜色 */
    top: 50% !important;                    /* 垂直居中 */
    bottom: auto !important;
    right: 0 !important;                    /* 贴右侧边 */
    left: auto !important;
    width: 68px !important;                 /* 按钮大小（默认50px） */
    height: 68px !important;
    border-radius: 34px !important;
    margin-top: -34px !important;           /* 半高补偿，保证正中 */
  }
  #dify-chatbot-bubble-window {
    width: 24rem !important;
    height: 40rem !important;
  }