CSS动画导航菜单

纯CSS实现动画导航菜单

原创已于 2025-06-27 13:48:26 修改 · 485 阅读

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CC 4.0 BY-SA版权

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#css #css3 #html

于 2025-05-30 15:18:06 首次发布

<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>CSS动画导航菜单</title>
<style>
/* 基础样式重置 */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Arial', sans-serif;
}

body {
background-color: #f5f5f5;
padding: 20px;
}

/* 导航菜单容器 */
.nav-container {
max-width: 1200px;
margin: 0 auto;
background: #fff;
border-radius: 8px;
box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
overflow: hidden;
}

/* 导航菜单样式 */
.navbar {
display: flex;
justify-content: space-between;
align-items: center;
padding: 0 20px;
background: linear-gradient(135deg, #6e8efb, #a777e3);
}

.logo {
color: white;
font-size: 24px;
font-weight: bold;
text-decoration: none;
padding: 15px 0;
}

.nav-links {
display: flex;
list-style: none;
}

.nav-links li {
position: relative;
}

.nav-links a {
color: white;
text-decoration: none;
padding: 20px 15px;
display: block;
transition: all 0.3s ease;
position: relative;
}

/* 悬停动画效果 */
.nav-links a::after {
content: '';
position: absolute;
bottom: 0;
left: 50%;
width: 0;
height: 3px;
background: white;
transition: all 0.3s ease;
transform: translateX(-50%);
}

.nav-links a:hover::after {
width: 80%;
}

/* 下拉菜单 */
.dropdown {
position: relative;
}

.dropdown-content {
position: absolute;
top: 100%;
left: 0;
background: white;
width: 200px;
border-radius: 0 0 8px 8px;
box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
opacity: 0;
visibility: hidden;
transform: translateY(10px);
transition: all 0.3s ease;
z-index: 1;
}

.dropdown:hover .dropdown-content {
opacity: 1;
visibility: visible;
transform: translateY(0);
}

.dropdown-content a {
color: #333;
padding: 12px 15px;
border-bottom: 1px solid #eee;
}

.dropdown-content a:hover {
background: #f5f5f5;
color: #6e8efb;
}

.dropdown-content a::after {
display: none;
}

/* 响应式设计 - 移动端菜单 */
.menu-toggle {
display: none;
cursor: pointer;
padding: 15px;
}

.menu-toggle span {
display: block;
width: 25px;
height: 3px;
background: white;
margin: 5px 0;
transition: all 0.3s ease;
}

/* 移动端样式 */
@media (max-width: 768px) {
.navbar {
flex-direction: column;
align-items: flex-start;
padding: 0;
}

.logo {
padding: 15px 20px;
}

.menu-toggle {
display: block;
position: absolute;
top: 15px;
right: 20px;
}

.nav-links {
flex-direction: column;
width: 100%;
max-height: 0;
overflow: hidden;
transition: max-height 0.3s ease;
}

.nav-links.active {
max-height: 500px;
}

.nav-links li {
width: 100%;
}

.nav-links a {
padding: 15px 20px;
border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown-content {
position: static;
width: 100%;
display: none;
box-shadow: none;
border-radius: 0;
}

.dropdown:hover .dropdown-content {
display: block;
opacity: 1;
visibility: visible;
transform: none;
}

/* 菜单图标动画 */
.menu-toggle.active span:nth-child(1) {
transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
transform: translateY(-8px) rotate(-45deg);
}
}

/* 内容区域样式 */
.content {
padding: 40px 20px;
text-align: center;
}

.content h1 {
margin-bottom: 20px;
color: #333;
}

.content p {
color: #666;
line-height: 1.6;
margin-bottom: 30px;
}

.download-btn {
display: inline-block;
padding: 12px 30px;
background: linear-gradient(135deg, #6e8efb, #a777e3);
color: white;
text-decoration: none;
border-radius: 50px;
font-weight: bold;
box-shadow: 0 4px 15px rgba(106, 142, 251, 0.4);
transition: all 0.3s ease;
position: relative;
overflow: hidden;
}

.download-btn:hover {
transform: translateY(-3px);
box-shadow: 0 6px 20px rgba(106, 142, 251, 0.6);
}

.download-btn::after {
content: '';
position: absolute;
top: 0;
left: -100%;
width: 100%;
height: 100%;
background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
transition: all 0.5s ease;
}

.download-btn:hover::after {
left: 100%;
}

/* 页脚样式 */
footer {
text-align: center;
padding: 20px;
color: #666;
font-size: 14px;
}

footer a {
color: #6e8efb;
text-decoration: none;
}
</style>
</head>
<body>
<div class="nav-container">
<nav class="navbar">
<a href="#" class="logo">CSS动画导航</a>
<div class="menu-toggle">
<span></span>
<span></span>
<span></span>
</div>
<ul class="nav-links">
<li><a href="#">首页</a></li>
<li><a href="#">关于我们</a></li>
<li class="dropdown">
<a href="#">服务</a>
<div class="dropdown-content">
<a href="#">网页设计</a>
<a href="#">UI/UX设计</a>
<a href="#">前端开发</a>
<a href="#">SEO优化</a>
</div>
</li>
<li><a href="#">案例展示</a></li>
<li><a href="#">联系我们</a></li>
</ul>
</nav>
</div>

<div class="content">
<h1>纯CSS动画导航菜单</h1>
<p>这是一个完全使用CSS实现的动画导航菜单，包含悬停效果、下拉菜单和响应式设计。</p>
<a href="#" class="download-btn">下载完整代码</a>
</div>

<footer>
<p>© 2023 CSS动画导航菜单</p>
</footer>

<script>
// 移动端菜单切换
document.querySelector('.menu-toggle').addEventListener('click', function() {
this.classList.toggle('active');
document.querySelector('.nav-links').classList.toggle('active');
});
</script>
</body>
</html>