* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        
        body {
            min-height: 100vh;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 20px;
            color: #2c3e50;
            line-height: 1.6;
        }
        
        .error-container {
            background: #fff;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            padding: 50px 40px;
            width: 100%;
            max-width: 500px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .error-container::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 6px;
            background: linear-gradient(90deg, #ff6b6b, #6a11cb);
        }
        
        .error-code {
            font-size: 8rem;
            font-weight: 900;
            line-height: 1;
            color: #2c3e50;
            margin: 20px 0;
            text-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            position: relative;
            display: inline-block;
        }
        
        .error-code::after {
            content: "";
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #ff6b6b, #6a11cb);
            border-radius: 2px;
        }
        
        .error-title {
            font-size: 1.8rem;
            margin: 30px 0 15px;
            font-weight: 700;
            color: #2c3e50;
        }
        
        .error-message {
            font-size: 1.15rem;
            line-height: 1.6;
            color: #7f8c8d;
            margin-bottom: 30px;
        }
        
        #home-link {
            display: inline-block;
            margin-top: 25px;
            padding: 12px 30px;
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(106, 17, 203, 0.2);
            border: none;
        }
        
        #home-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(106, 17, 203, 0.3);
        }
        
        #home-link i {
            margin-right: 8px;
        }
        
        .footer {
            margin-top: 40px;
            color: #95a5a6;
            font-size: 0.9rem;
        }
        
        /* 动画效果 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .error-container {
            animation: fadeIn 0.6s ease-out;
        }
        
        .error-code {
            animation: fadeIn 0.8s ease-out;
        }
        
        /* 响应式设计 */
        @media (max-width: 600px) {
            .error-container {
                padding: 40px 25px;
            }
            
            .error-code {
                font-size: 6rem;
            }
            
            .error-title {
                font-size: 1.6rem;
            }
            
            .error-message {
                font-size: 1rem;
            }
        }
        
        @media (max-width: 400px) {
            .error-code {
                font-size: 5rem;
            }
            
            .error-title {
                font-size: 1.4rem;
            }
        }