404.html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <title>404 - 页面未找到</title>
    <style>
        body {
            background-color: #f5f5f5;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            height: 100vh;
            color: #333;
        }

        .container {
            text-align: center;
            padding: 20px;
        }

        h1 {
            font-size: 120px;
            margin: 0;
            color: #2c3e50;
            animation: bounce 2s ease infinite;
        }

        .message {
            font-size: 24px;
            margin: 20px 0;
            color: #666;
        }

        .home-link {
            display: inline-block;
            margin-top: 30px;
            padding: 12px 24px;
            background-color: #3498db;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            transition: background-color 0.3s ease;
        }

        .home-link:hover {
            background-color: #2980b9;
        }

        @keyframes bounce {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-20px);
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 80px;
            }
            .message {
                font-size: 18px;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>404</h1>
        <div class="message">抱歉，您访问的页面不存在</div>
        <a href="/" class="home-link">返回首页</a>
    </div>
</body>
</html>