<!DOCTYPE html><html lang="zh-CN"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>页面未找到 - 友好的404错误</title><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css"><style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #43cea2 0%, #185a9d 100%);
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            color: white;
            overflow-x: hidden;
            position: relative;
            padding: 20px;
        }
        
        .container {
            text-align: center;
            max-width: 600px;
            width: 100%;
            padding: 30px 25px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 10;
        }
        
        .error-code {
            font-size: 120px;
            font-weight: 800;
            margin-bottom: 10px;
            text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            animation: float 3s ease-in-out infinite;
        }
        
        .error-title {
            font-size: 32px;
            margin-bottom: 15px;
            font-weight: 700;
        }
        
        .error-message {
            font-size: 18px;
            margin-bottom: 30px;
            line-height: 1.6;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .action-buttons {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 20px;
        }
        
        .btn {
            padding: 16px 20px;
            border-radius: 12px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            width: 100%;
            max-width: 300px;
            margin: 0 auto;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
        }
        
        .btn-primary {
            background: white;
            color: #185a9d;
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
        }
        
        .btn-secondary {
            background: rgba(255, 255, 255, 0.2);
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
        }
        
        .illustration {
            width: 160px;
            height: 160px;
            margin: 0 auto 25px;
            position: relative;
        }
        
        .compass {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 100px;
            animation: spin 8s linear infinite;
        }
        
        .path {
            position: absolute;
            width: 100%;
            height: 8px;
            background: rgba(255, 255, 255, 0.3);
            border-radius: 4px;
            top: 50%;
            transform: translateY(-50%);
        }
        
        .path::before,
        .path::after {
            content: "";
            position: absolute;
            width: 20px;
            height: 20px;
            background: white;
            border-radius: 50%;
            top: 50%;
            transform: translateY(-50%);
        }
        
        .path::before {
            left: 0;
        }
        
        .path::after {
            right: 0;
        }
        
        /* Animations */
        @keyframes float {
            0% { transform: translateY(0px); }
            50% { transform: translateY(-15px); }
            100% { transform: translateY(0px); }
        }
        
        @keyframes spin {
            0% { transform: translate(-50%, -50%) rotate(0deg); }
            100% { transform: translate(-50%, -50%) rotate(360deg); }
        }
        
        /* Decorative elements */
        .decoration {
            position: absolute;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            z-index: 1;
        }
        
        .decoration:nth-child(1) {
            width: 80px;
            height: 80px;
            top: 10%;
            left: 5%;
        }
        
        .decoration:nth-child(2) {
            width: 60px;
            height: 60px;
            bottom: 15%;
            right: 7%;
        }
        
        .decoration:nth-child(3) {
            width: 40px;
            height: 40px;
            top: 25%;
            right: 15%;
        }
        
        /* Footer */
        footer {
            position: absolute;
            bottom: 20px;
            width: 100%;
            text-align: center;
            font-size: 14px;
            opacity: 0.8;
        }
        
        /* Mobile optimizations */
        @media (min-width: 768px) {
            .action-buttons {
                flex-direction: row;
                justify-content: center;
            }
            
            .btn {
                max-width: none;
                width: auto;
                padding: 16px 35px;
            }
            
            .error-code {
                font-size: 150px;
            }
            
            .error-title {
                font-size: 36px;
            }
            
            .error-message {
                font-size: 20px;
            }
        }
    </style></head><body><!-- Decorative elements --><div class="decoration"></div><div class="decoration"></div><div class="decoration"></div><div class="container"><div class="illustration"><div class="path"></div><div class="compass">🧭</div></div><h1 class="error-code">404</h1><h2 class="error-title">哎呀！页面走丢了</h2><p class="error-message">
            您要找的页面好像迷路了<br>
            别担心，让我们帮您找到正确的方向
        </p><div class="action-buttons"><a href="/" class="btn btn-primary"><i class="fas fa-home"></i> 返回首页
            </a><a href="javascript:history.back()" class="btn btn-secondary"><i class="fas fa-arrow-left"></i> 返回上一页
            </a></div></div><footer><p>© 2025 网站名称 | 探索更多精彩内容</p></footer><script>
        // Add slight delay to animations for better effect
        document.addEventListener('DOMContentLoaded', function() {
            setTimeout(function() {
                document.querySelector('.error-code').style.animation = 'float 3s ease-in-out infinite';
                document.querySelector('.compass').style.animation = 'spin 8s linear infinite';
            }, 300);
        });
    </script></body></html>