function showModal(type, index) { let modal = document.getElementById('modal'); let form = modal.querySelector('form'); let saveBtn = modal.querySelector('#save-btn'); let cancelBtn = modal.querySelector('#cancel-btn'); if (type === 'add') { form.reset(); saveBtn.textContent = '添加'; } else if (type === 'edit') { let contact = contacts[index]; form.name.value = contact.name; form.phone.value = contact.phone; form.email.value = contact.email; saveBtn.textContent = '保存'; } modal.style.display = 'block';给编辑和删除按钮设计一个粉色的渐变样式

可以在编辑和删除按钮的CSS样式中添加以下代码来实现粉色渐变样式：

background: linear-gradient(to bottom right, #ff78ae, #ff9472);
border: none;
color: #fff;
padding: 10px 20px;
border-radius: 5px;
cursor: pointer;

你可以根据需要修改渐变颜色、padding和border-radius的大小等属性。