code: function createDialogElement(root) {
    containerElement = document.createElement('div');
    containerElement.className = 'live2d-widget-dialog-container';
    containerElement.style.transform = `scale(${config.display.width / 250})`
    dialogElement = document.createElement('div');
    dialogElement.className = 'live2d-widget-dialog';
    containerElement.appendChild(dialogElement);
    root.appendChild(containerElement);
  
    L2Dwidget.emit('create-dialog', containerElement);
  
    if (config.dialog.hitokoto)
      showHitokotoLoop()
  }
docs: 创建对话框元素
  @param {HTMLElement} root 位置