/* 404内容区域 */
        .error-content {
            flex: 1;
            display: flex;
            align-items: center;
            padding: 80px 0;
            text-align: center;
        }
        
        .error-container {
            width: 100%;
            max-width: 800px;
            margin: 0 auto;
            padding: 40px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }
        
        .error-number {
            font-size: 8rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .error-number::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 4px;
            background-color: var(--secondary-color);
        }
        
        .error-title {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .error-message {
            font-size: 1.2rem;
            color: #4a5568;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--secondary-color);
            color: var(--primary-color);
            font-weight: 600;
            border-radius: 4px;
            transition: var(--transition);
            margin: 5px 10px;
        }
        
        .btn:hover {
            background-color: #c19b2e;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--secondary-color);
            color: var(--secondary-color);
        }
        
        .btn-outline:hover {
            background-color: var(--secondary-color);
            color: var(--primary-color);
        }
        
        .search-box {
            max-width: 500px;
            margin: 40px auto 20px;
            position: relative;
        }
        
        .search-input {
            width: 100%;
            padding: 15px 20px;
            border: 2px solid var(--gray-color);
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .search-input:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
        }
        
        .search-button {
            position: absolute;
            right: 5px;
            top: 5px;
            background: var(--secondary-color);
            border: none;
            border-radius: 50px;
            color: var(--primary-color);
            padding: 10px 20px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .search-button:hover {
            background: #c19b2e;
        }
        
        /* 服务快速访问 */
        .quick-services {
            padding: 40px 0 0;
        }
        
        .quick-services h3 {
            font-size: 1.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }
        
        .quick-services h3::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--secondary-color);
        }
        
        .services-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
        }
        
        .service-link {
            padding: 8px 20px;
            background-color: var(--gray-color);
            border-radius: 50px;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        
        .service-link:hover {
            background-color: var(--secondary-color);
            color: var(--primary-color);
        }
               /* 响应式设计 */
        @media (max-width: 992px) {
            .header-container {
                flex-direction: column;
                padding: 15px 20px;
            }
            
            nav ul {
                margin: 15px 0;
            }
        }
        
        @media (max-width: 768px) {
            nav ul {
                flex-wrap: wrap;
                justify-content: center;
            }
            
            nav ul li {
                margin: 5px 10px;
            }
            
            .error-number {
                font-size: 6rem;
            }
            
            .error-title {
                font-size: 1.5rem;
            }
            
            .error-message {
                font-size: 1rem;
            }
        }
        
        @media (max-width: 576px) {
            .error-container {
                padding: 20px;
            }
            
            .error-number {
                font-size: 4rem;
            }
            
            .btn {
                display: block;
                margin: 10px auto;
            }
            
            .services-links {
                flex-direction: column;
                align-items: center;
            }
            
            .footer-content {
                flex-direction: column;
            }
        }