流光·胶原光美容仪 S16 冰敷升级版 — 科技美学新标杆

`; qaContainer.appendChild(div); }); // 点击展开/收起 document.querySelectorAll('.qa-item .question').forEach((q, idx) => { q.addEventListener('click', function(e) { const ans = this.parentElement.querySelector('.answer'); if (ans) { ans.classList.toggle('show'); } }); }); } // 留言提交 const submitBtn = document.getElementById('submitComment'); const nameInput = document.getElementById('commentName'); const msgInput = document.getElementById('commentMsg'); const commentList = document.getElementById('commentListArea'); if (submitBtn && commentList) { submitBtn.addEventListener('click', function() { const name = nameInput.value.trim() || '匿名用户'; const msg = msgInput.value.trim(); if (!msg) { alert('请填写留言内容'); return; } const newComment = document.createElement('div'); newComment.className = 'single-comment'; newComment.innerHTML = ``; commentList.appendChild(newComment); // 清空 msgInput.value = ''; // 滚动到底部 commentList.scrollTop = commentList.scrollHeight; }); } })();