/* 整体布局 */
body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
  }

  h1 {
    margin-bottom: 20px;
    color: #333;
  }

  /* 按钮样式 */
  button {
    padding: 10px 20px;
    margin: 10px;
    font-size: 16px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #4CAF50;
    color: white;
    transition: background-color 0.3s ease;
  }

  button:hover {
    background-color: #45a049;
  }

  button:disabled {
    background-color: #ccc;
    cursor: not-allowed;
  }

  /* 油门按钮样式 */
  #throttleButton {
    background-color: #008CBA;
  }

  #throttleButton:hover {
    background-color: #007B9A;
  }

  /* Turbo按钮样式 */
  #turboButton {
    background-color: #FF5722;
  }

  #turboButton:hover {
    background-color: #E64A19;
  }

  /* 油门提示文字 */
  #throttleText {
    margin-top: 10px;
    color: #666;
  }

  /* 圆盘样式 */
  #flywheelCanvas {
    margin: 20px 0;
  }