纯CSS折叠面板
<!DOCTYPE html><html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>纯CSS折叠面板</title>
<style>
body {
font-family: Arial, sans-serif;
max-width: 800px;
margin: 0 auto;
padding: 20px;
}
.accordion {
margin: 20px 0;
}
details {
margin-bottom: 10px;
border-radius: 5px;
overflow: hidden;
background-color: #f5f5f5;
}
summary {
display: list-item;
list-style: none;
padding: 15px;
margin: 0;
cursor: pointer;
background-color: #e0e0e0;
border: 1px solid #ccc;
border-radius: 5px;
font-weight: bold;
outline: none;
}
summary::-webkit-details-marker {
display: none;
}
summary::before {
content: "+";
margin-right: 5px;
color: #666;
}
details summary::before {
content: "-";
}
details {
border: 1px solid #ccc;
}
details p {
padding: 15px;
margin: 0;
line-height: 1.5;
}
</style>
</head>
<body>
<h1>纯CSS折叠面板</h1>
<div class="accordion">
<details open>
<summary>折叠面板1</summary>
<p>这是第一个折叠面板的内容。你可以在这里放置任何HTML内容，比如文字、图片、链接等。</p>
</details>
<details>
<summary>折叠面板2</summary>
<p>这是第二个折叠面板的内容。折叠面板在默认情况下是关闭的，点击标题可以展开或折叠。</p>
</details>
<details>
<summary>折叠面板3</summary>
<p>这是第三个折叠面板的内容。使用纯CSS实现折叠面板的好处是不需要JavaScript，简单易用。</p>
</details>
</div>
</body>
</html>
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