需要将按钮浮动到卡pug/css的底部

<div class="card">
  <!-- 卡片内容 -->
</div>

.card {
  position: relative;
}

<div class="card">
  <!-- 卡片内容 -->
  <button class="floating-button">按钮</button>
</div>

.floating-button {
  position: absolute;
  bottom: 0;
}

<div class="card">
  <!-- 卡片内容 -->
  <button class="floating-button">按钮</button>
</div>

.card {
  position: relative;
}

.floating-button {
  position: absolute;
  bottom: 0;
}