90 lines
2.7 KiB
HTML
90 lines
2.7 KiB
HTML
<!doctype html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>高级CSS挑战 - 多级导航菜单</title>
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<style>
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.nav-menu {
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display: flex;
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gap: 2rem;
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background: #2c3e50;
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padding: 1rem 2rem;
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}
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.nav-item {
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position: relative;
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list-style: none;
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}
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.nav-link {
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color: white;
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text-decoration: none;
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padding: 0.5rem 1rem;
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border-radius: 6px;
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transition: all 0.3s ease;
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}
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.nav-link:hover,
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.nav-link:focus {
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background: #34495e;
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}
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.sub-menu {
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position: absolute;
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top: 100%;
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left: 0;
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background: white;
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min-width: 200px;
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box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
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border-radius: 8px;
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opacity: 0;
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visibility: hidden;
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transform: translateY(-10px);
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transition: all 0.3s ease;
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}
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.nav-item:hover .sub-menu {
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opacity: 1;
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visibility: visible;
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transform: translateY(0);
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}
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.sub-menu .nav-link {
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color: #2c3e50;
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display: block;
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padding: 0.75rem 1rem;
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}
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.sub-menu .nav-link:hover {
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background: #ecf0f1;
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}
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</style>
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</head>
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<body>
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<nav>
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<ul class="nav-menu">
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<li class="nav-item">
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<a href="#" class="nav-link">首页</a>
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</li>
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<li class="nav-item">
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<a href="#" class="nav-link">产品</a>
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<ul class="sub-menu">
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<li><a href="#" class="nav-link">Web应用</a></li>
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<li><a href="#" class="nav-link">移动应用</a></li>
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<li><a href="#" class="nav-link">桌面应用</a></li>
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</ul>
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</li>
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<li class="nav-item">
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<a href="#" class="nav-link">服务</a>
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<ul class="sub-menu">
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<li><a href="#" class="nav-link">设计</a></li>
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<li><a href="#" class="nav-link">开发</a></li>
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<li><a href="#" class="nav-link">运维</a></li>
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</ul>
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</li>
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</ul>
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</nav>
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</body>
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</html>
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