在css中实现用户评论区样式

<div class="comment-list">
  <div class="comment-item">
    <img src="avatar.jpg" alt="用户头像" class="comment-avatar">
    <div class="comment-content">
      <p class="comment-header">
        <strong class="comment-username">张三</strong>
        <span class="comment-time">2小时前</span>
      </p>
      <p class="comment-text">这个功能真的很棒，用了之后效率提升不少！</p>
      <button class="reply-btn">回复</button>
    </div>
  </div>
<p><!-- 更多评论 -->
</div></p>

.comment-list {
  max-width: 600px;
  margin: 20px auto;
  font-family: Arial, sans-serif;
}
<p>.comment-item {
display: flex;
margin-bottom: 15px;
padding-bottom: 15px;
border-bottom: 1px solid #eee;
}</p><p>.comment-avatar {
width: 40px;
height: 40px;
border-radius: 50%;
margin-right: 10px;
object-fit: cover;
}</p><p>.comment-content {
flex: 1;
font-size: 14px;
color: #333;
}</p><p>.comment-header {
margin: 0 0 5px 0;
display: flex;
align-items: center;
gap: 8px;
}</p><p>.comment-username {
font-size: 14px;
color: #007acc;
}</p><p>.comment-time {
color: #999;
font-size: 12px;
}</p><p>.comment-text {
margin: 5px 0;
line-height: 1.5;
color: #555;
}</p><p>.reply-btn {
background: none;
border: none;
color: #007acc;
font-size: 12px;
cursor: pointer;
padding: 0;
margin-top: 5px;
}</p><p>.reply-btn:hover {
text-decoration: underline;
}</p>

.comment-item:hover {
  background-color: #f9f9f9;
}
<p>.comment-list {
box-shadow: 0 1px 3px rgba(0,0,0,0.1);
border-radius: 8px;
padding: 10px;
}</p><p>@media (max-width: 480px) {
.comment-list {
padding: 5px;
}
.comment-avatar {
width: 36px;
height: 36px;
}
}</p>

<div class="comment-item reply">
  <img src="avatar2.jpg" class="comment-avatar">
  <div class="comment-content">
    <p class="comment-header"><strong>李四</strong> <span>1小时前</span></p>
    <p class="comment-text">同意，特别推荐新手使用。</p>
  </div>
</div>
  

.comment-item.reply {
  margin-left: 50px;
  padding-left: 15px;
  border-left: 2px solid #007acc;
}