/* ===== 独享CSS ===== */
        
        /* 404页面样式 */
        .error-section {
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 80vh;
            padding: 100px 0 50px;
        }
        
        .error-container {
            display: flex;
            justify-content: center;
            align-items: center;
            width: 100%;
        }
        
        .error-content {
            text-align: center;
            max-width: 600px;
            width: 100%;
            padding: 40px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.8s ease;
        }
        
        .error-content.animate {
            opacity: 1;
            transform: translateY(0);
        }
        
        .error-icon {
            font-size: 8rem;
            color: var(--primary-color);
            margin-bottom: 30px;
            animation: shake 3s ease-in-out infinite;
        }
        
        @keyframes shake {
            0%, 100% {
                transform: translateX(0);
            }
            10%, 30%, 50%, 70%, 90% {
                transform: translateX(-5px);
            }
            20%, 40%, 60%, 80% {
                transform: translateX(5px);
            }
        }
        
        .error-number {
            font-size: 6rem;
            font-weight: 900;
            color: var(--accent-color);
            margin-bottom: 20px;
            text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.1);
        }
        
        .error-title {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .error-description {
            font-size: 1.2rem;
            color: var(--dark-color);
            margin-bottom: 30px;
            line-height: 1.6;
        }
        
        .error-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background: var(--gold-color);
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-weight: 600;
            transition: var(--transition);
            border: 2px solid var(--gold-color);
            position: relative;
            overflow: hidden;
        }
        
        .btn:hover {
            background: transparent;
            color: var(--gold-color);
        }
        
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
            transition: 0.5s;
        }
        
        .btn:hover::before {
            left: 100%;
        }
        
        .btn-secondary {
            background: transparent;
            color: var(--primary-color);
            border-color: var(--primary-color);
        }
        
        .btn-secondary:hover {
            background: var(--primary-color);
            color: white;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .navbar {
                padding: 15px 0;
            }
            
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background: var(--primary-color);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 50px;
                transition: var(--transition);
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .contact-phone {
                display: none;
            }
            
            .error-icon {
                font-size: 6rem;
            }
            
            .error-number {
                font-size: 4rem;
            }
            
            .error-title {
                font-size: 1.7rem;
            }
            
            .error-description {
                font-size: 1.1rem;
            }
            
            .error-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 250px;
            }
        }
        
        @media (max-width: 576px) {
            .footer-content {
                grid-template-columns: 1fr;
            }
            
            .error-content {
                padding: 30px 20px;
            }
            
            .error-icon {
                font-size: 5rem;
            }
            
            .error-number {
                font-size: 3.5rem;
            }
            
            .error-title {
                font-size: 1.5rem;
            }
        }