/* 404内容区域 */
        .error-content {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 60px 0;
            text-align: center;
        }
        
        .error-container {
            max-width: 600px;
        }
        
        .error-icon {
            font-size: 8rem;
            color: var(--secondary-color);
            margin-bottom: 30px;
            animation: bounce 2s infinite;
        }
        
        .error-title {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .error-message {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: #666;
        }
        
        .error-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 40px;
        }
        
        .btn {
            display: inline-flex;
            align-items: center;
            padding: 12px 25px;
            background-color: var(--accent-color);
            color: white;
            border-radius: 4px;
            font-weight: bold;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            text-decoration: none;
        }
        
        .btn:hover {
            background-color: #e67e22;
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
        }
        
        .btn i {
            margin-right: 8px;
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary-color);
            color: var(--secondary-color);
        }
        
        .btn-outline:hover {
            background: var(--secondary-color);
            color: white;
        }
        
       
        
        /* 快速链接 */
        .quick-links {
            margin-top: 50px;
        }
        
        .quick-links h3 {
            color: var(--primary-color);
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        
        .links-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        
        .link-card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .link-card i {
            font-size: 2rem;
            color: var(--secondary-color);
            margin-bottom: 15px;
        }
        
        .link-card h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
        .link-card a {
            color: var(--secondary-color);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            transition: var(--transition);
        }
        
        .link-card a:hover {
            color: var(--accent-color);
        }
        
        .link-card a i {
            font-size: 0.9rem;
            margin-left: 5px;
            margin-bottom: 0;
        }
        
   
        /* 动画 */
        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% {
                transform: translateY(0);
            }
            40% {
                transform: translateY(-30px);
            }
            60% {
                transform: translateY(-15px);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .error-icon {
                font-size: 6rem;
            }
            
            .error-title {
                font-size: 2.5rem;
            }
            
            .error-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                justify-content: center;
            }
            
            .links-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .error-icon {
                font-size: 5rem;
            }
            
            .error-title {
                font-size: 2rem;
            }
            
            .error-message {
                font-size: 1rem;
            }
            
            .search-box {
                margin: 20px auto;
            }
        }