text: import './index.css?normal'
  
  const panels = document.querySelectorAll('.panel');
  
  function toggleOpen() {
    panels.forEach((item) => {
      if (item === this) return;
      item.classList.remove('open');
    });
  
    this.classList.toggle('open');
  }
  
  function toggleActicon(e) {
    if (e.propertyName.includes('flex-grow')) {
      this.classList.toggle('open-active');
    }
  }
  
  panels.forEach((panel) => {
    panel.addEventListener('click', toggleOpen)
    panel.addEventListener('transitionend', toggleActicon)
  });
  