    
        /* 404页面特定样式 */
        .error-section {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        
        .error-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        
        .error-number {
            font-size: 15rem;
            font-weight: 900;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
            margin-bottom: 30px;
            animation: float 6s ease-in-out infinite;
            position: relative;
        }
        
        .error-number::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: var(--gradient);
            border-radius: 50%;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: -1;
            opacity: 0.05;
            animation: pulse 4s ease-in-out infinite;
        }
        
        .error-message {
            font-size: 2.5rem;
            margin-bottom: 30px;
            color: var(--dark);
            font-weight: 700;
        }
        
        .error-description {
            font-size: 1.2rem;
            margin-bottom: 50px;
            color: #64748b;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .error-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 80px;
        }
        
        /* 微信二维码板块 */
        .wechat-section {
            background: var(--white);
            border-radius: 20px;
            padding: 60px 40px;
            box-shadow: var(--shadow-lg);
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        
        .wechat-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient);
        }
        
        .wechat-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .wechat-text {
            text-align: left;
        }
        
        .wechat-text h3 {
            font-size: 2.2rem;
            margin-bottom: 20px;
            color: var(--dark);
            font-weight: 700;
        }
        
        .wechat-text p {
            margin-bottom: 25px;
            font-size: 1.1rem;
            color: #64748b;
        }
        
        .wechat-ad {
            background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
            padding: 20px;
            border-radius: 15px;
            margin-top: 30px;
            border-left: 4px solid var(--accent);
        }
        
        .wechat-ad p {
            font-weight: 600;
            color: var(--primary);
            margin: 0;
            font-size: 1.1rem;
        }
        
        .wechat-qr {
            text-align: center;
            padding: 20px;
            background: #f8fafc;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }
        
        .wechat-qr img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            margin-bottom: 20px;
            transition: var(--transition);
        }
        
        .wechat-qr:hover img {
            transform: scale(1.05);
        }
        
        .wechat-qr p {
            font-weight: 600;
            color: var(--dark);
        }
        
        /* 服务流程循环动画 */
        .process-loop {
            margin-top: 80px;
            position: relative;
        }
        
        .process-track {
            display: flex;
            animation: scrollProcess 30s linear infinite;
            width: max-content;
        }
        
        .process-item {
            display: flex;
            align-items: center;
            background: var(--white);
            padding: 25px 30px;
            border-radius: 15px;
            box-shadow: var(--shadow);
            margin-right: 30px;
            min-width: 300px;
            transition: var(--transition);
        }
        
        .process-item:hover {
            transform: translateY(-10px);
            box-shadow: var(--shadow-lg);
        }
        
        .process-icon {
            width: 60px;
            height: 60px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 20px;
            color: var(--white);
            font-size: 1.5rem;
            flex-shrink: 0;
        }
        
        .process-text h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: var(--dark);
            font-weight: 600;
        }
        
        .process-text p {
            font-size: 0.95rem;
            color: #64748b;
        }
        
        /* 动画定义 */
        @keyframes float {
            0% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-20px);
            }
            100% {
                transform: translateY(0px);
            }
        }
        
        @keyframes pulse {
            0% {
                transform: translate(-50%, -50%) scale(0.8);
                opacity: 0.1;
            }
            50% {
                transform: translate(-50%, -50%) scale(1);
                opacity: 0.05;
            }
            100% {
                transform: translate(-50%, -50%) scale(0.8);
                opacity: 0.1;
            }
        }
        
        @keyframes scrollProcess {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .error-number {
                font-size: 10rem;
            }
            
            .error-message {
                font-size: 2rem;
            }
            
            .wechat-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .wechat-text {
                text-align: center;
            }
        }
        
        @media (max-width: 768px) {
            .error-number {
                font-size: 8rem;
            }
            
            .error-message {
                font-size: 1.8rem;
            }
            
            .error-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
            }
            
            .process-item {
                min-width: 250px;
            }
        }
        
        @media (max-width: 576px) {
            .error-number {
                font-size: 6rem;
            }
            
            .error-message {
                font-size: 1.5rem;
            }
            
            .error-description {
                font-size: 1rem;
            }
            
            .wechat-section {
                padding: 40px 20px;
            }
            
            .wechat-text h3 {
                font-size: 1.8rem;
            }
        }