对两个输入框使用一个标签，输入框不能正确对齐

<label for="input1">输入框1和输入框2：</label>
<input type="text" id="input1" name="input1">
<input type="text" id="input2" name="input2">

<div class="input-container">
  <label for="input1">输入框1：</label>
  <input type="text" id="input1" name="input1">
</div>
<div class="input-container">
  <label for="input2">输入框2：</label>
  <input type="text" id="input2" name="input2">
</div>

.input-container {
  display: flex;
  align-items: center;
}