Amazon：折叠 A+ 营销模块

// Collapse A+ marketing modules behind a click-to-expand toggle
const aplus = document.getElementById('aplus_feature_div');
if (aplus && !document.getElementById('jz-az-aplus-toggle')) {
  aplus.style.maxHeight = '0';
  aplus.style.overflow = 'hidden';
  const btn = document.createElement('button');
  btn.id = 'jz-az-aplus-toggle';
  btn.textContent = 'Show product marketing content';
  btn.style.cssText = 'margin:12px 0;padding:8px 14px;cursor:pointer;';
  btn.addEventListener('click', function () {
    const open = aplus.style.maxHeight !== '0px';
    aplus.style.maxHeight = open ? '0' : 'none';
    btn.textContent = open
      ? 'Show product marketing content'
      : 'Hide product marketing content';
  });
  aplus.parentNode.insertBefore(btn, aplus);
}