选择下拉列表中的值后，表单向下滚动

<select id="dropdown">
  <option value="section1">Section 1</option>
  <option value="section2">Section 2</option>
  <option value="section3">Section 3</option>
</select>

<form>
  <div id="section1">
    <!-- 表单内容 -->
  </div>
  <div id="section2">
    <!-- 表单内容 -->
  </div>
  <div id="section3">
    <!-- 表单内容 -->
  </div>
</form>

const dropdown = document.getElementById('dropdown');
const form = document.querySelector('form');

dropdown.addEventListener('change', function() {
  const selectedValue = dropdown.value;
  const targetElement = document.getElementById(selectedValue);

  targetElement.scrollIntoView({ behavior: 'smooth' });
});