CSS初级项目卡片组件如何设计_盒模型 padding margin与阴影装饰实践案例

<div class="card">
  <img src="project.jpg" alt="项目图" class="card-img">
  <div class="card-body">
    <h3 class="card-title">项目名称</h3>
    <p class="card-desc">这是一个简短的项目描述，展示功能或技术栈。</p>
    <button class="card-btn">查看详情</button>
  </div>
</div>

.card {
  width: 300px;
  margin: 20px auto;
  border-radius: 8px;
  overflow: hidden;
  background: white;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: box-shadow 0.3s ease;
}

.card:hover {
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.card-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.card-body {
  padding: 20px;
}

.card-title {
  margin: 0 0 10px;
  font-size: 1.2em;
  color: #333;
}

.card-desc {
  margin: 0 0 15px;
  color: #666;
  line-height: 1.5;
}

.card-btn {
  padding: 8px 16px;
  background: #007bff;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9em;
}