     /* 页面标题区域 */
        .page-header {
            background: var(--gradient);
            color: white;
            padding: 150px 0 80px;
            margin-top: 70px;
            text-align: center;
        }
        
        .page-header h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
        }
        
        .page-header p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 服务网格样式 */
        .services-container {
            padding: 80px 0;
        }
        
        .service-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            margin-bottom: 30px;
            transform: translateY(20px);
            opacity: 0;
        }
        
        .service-card.animated {
            transform: translateY(0);
            opacity: 1;
        }
        
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }
        
        .service-header {
            padding: 25px;
            background-color: var(--primary-color);
            color: white;
            display: flex;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .service-header:hover {
            background-color: #152238;
        }
        
        .service-icon {
            width: 70px;
            height: 70px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .service-title {
            flex: 1;
        }
        
        .service-title h3 {
            font-size: 1.6rem;
            margin-bottom: 5px;
        }
        
        .service-title p {
            opacity: 0.8;
            font-size: 0.95rem;
        }
        
        .service-indicator {
            font-size: 1.5rem;
            transition: var(--transition);
        }
        
        .service-card.active .service-indicator {
            transform: rotate(180deg);
        }
        
        .service-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.5s ease;
        }
        
        .service-card.active .service-content {
            max-height: 2000px;
        }
        
        .service-details {
            padding: 30px;
        }
        
        .detail-tabs {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 30px;
            border-bottom: 1px solid #e0e0e0;
        }
        
        .tab-btn {
            padding: 12px 25px;
            background: none;
            border: none;
            font-weight: 600;
            color: var(--text-color);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }
        
        .tab-btn.active {
            color: var(--primary-color);
        }
        
        .tab-btn.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--secondary-color);
        }
        
        .tab-content {
            display: none;
            padding: 20px 0;
        }
        
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }
        
        .materials-list {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .materials-list li {
            padding: 12px 0;
            border-bottom: 1px solid #f0f0f0;
            display: flex;
            align-items: center;
            transition: var(--transition);
        }
        
        .materials-list li:hover {
            background-color: rgba(212, 175, 55, 0.05);
            padding-left: 10px;
        }
        
        .materials-list li:last-child {
            border-bottom: none;
        }
        
        .materials-list i {
            color: var(--secondary-color);
            margin-right: 15px;
            font-size: 1.1rem;
        }
        
        /* 类型解释按钮样式 */
        .type-explanation-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 25px;
            background: var(--gradient-gold);
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
            margin: 20px auto;
            display: block;
            width: fit-content;
        }
        
        .type-explanation-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: var(--transition);
        }
        
        .type-explanation-btn:hover::before {
            left: 100%;
        }
        
        .type-explanation-btn:hover {
            background: linear-gradient(135deg, #b3913d 0%, #d4af37 100%);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .type-explanation-btn i {
            transition: var(--transition);
        }
        
        .type-explanation-btn:hover i {
            transform: translateX(3px);
        }
        
        .note {
            font-style: italic;
            color: #666;
            margin-top: 15px;
            font-size: 0.9rem;
        }
        
        /* 时间轴样式 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            height: 100%;
            background-color: var(--primary-color);
        }
        
        .timeline-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 40px;
            position: relative;
        }
        
        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }
        
        .timeline-content {
            width: 45%;
            padding: 20px;
            background-color: white;
            border-radius: 8px;
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
        }
        
        .timeline-content:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .timeline-item:nth-child(odd) .timeline-content::after {
            content: '';
            position: absolute;
            top: 20px;
            right: -10px;
            width: 0;
            height: 0;
            border-top: 10px solid transparent;
            border-bottom: 10px solid transparent;
            border-left: 10px solid white;
        }
        
        .timeline-item:nth-child(even) .timeline-content::after {
            content: '';
            position: absolute;
            top: 20px;
            left: -10px;
            width: 0;
            height: 0;
            border-top: 10px solid transparent;
            border-bottom: 10px solid transparent;
            border-right: 10px solid white;
        }
        
        .timeline-dot {
            position: absolute;
            top: 30px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            background-color: var(--secondary-color);
            border-radius: 50%;
            z-index: 2;
            transition: var(--transition);
        }
        
        .timeline-dot:hover {
            transform: translateX(-50%) scale(1.2);
            box-shadow: 0 0 0 5px rgba(212, 175, 55, 0.3);
        }
        
        .timeline-content h4 {
            color: var(--primary-color);
            margin-bottom: 10px;
            font-size: 1.2rem;
        }
        
        .timeline-content p {
            margin-bottom: 0;
        }
        
        .timeline-time {
            font-weight: 600;
            color: var(--secondary-color);
            margin-top: 10px;
            display: inline-block;
            padding: 5px 10px;
            background-color: rgba(212, 175, 55, 0.1);
            border-radius: 4px;
        }
        
        /* 流程步骤样式 */
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #e0e0e0;
            z-index: 1;
        }
        
        .process-step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
            transform: scale(0.8);
            opacity: 0;
            transition: all 0.5s ease;
        }
        
        .process-step.animated {
            transform: scale(1);
            opacity: 1;
        }
        
        .step-number {
            width: 80px;
            height: 80px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            font-weight: 700;
            position: relative;
            transition: var(--transition);
        }
        
        .process-step.active .step-number {
            background-color: var(--secondary-color);
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(212, 175, 55, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(212, 175, 55, 0);
            }
        }
        
        .step-content h3 {
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        
           /* 宣传广告样式 */
        .promotion {
            background: var(--gradient);
            color: white;
            padding: 60px 0;
            text-align: center;
        }
        
        .promotion-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .promotion h2 {
            font-size: 2.2rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        
        .promotion p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .promotion-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 35px;
            background-color: var(--secondary-color);
            color: white;
            text-decoration: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .promotion-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
            transition: var(--transition);
        }
        
        .promotion-btn:hover::before {
            left: 100%;
        }
        
        .promotion-btn:hover {
            background-color: #b3913d;
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
        }
        
        .promotion-btn i {
            transition: var(--transition);
        }
        
        .promotion-btn:hover i {
            transform: translateX(5px);
        }
        
        /* 底部样式 */
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            color: var(--secondary-color);
            margin-bottom: 20px;
            font-size: 1.2rem;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--secondary-color);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .footer-links a:hover {
            color: var(--secondary-color);
            padding-left: 5px;
        }
        
        .contact-info {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-info i {
            margin-right: 10px;
            color: var(--secondary-color);
            width: 20px;
        }
        
        .qrcode {
            text-align: center;
        }
        
        .qrcode img {
            width: 120px;
            height: 120px;
            border: 1px solid #ddd;
            margin-bottom: 10px;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
            margin-bottom: 20px;
        }
        
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .timeline::before {
                left: 30px;
            }
            
            .timeline-item {
                flex-direction: row !important;
                padding-left: 70px;
            }
            
            .timeline-content {
                width: 100%;
            }
            
            .timeline-item:nth-child(odd) .timeline-content::after,
            .timeline-item:nth-child(even) .timeline-content::after {
                left: -10px;
                right: auto;
                border-right: 10px solid white;
                border-left: none;
            }
            
            .timeline-dot {
                left: 20px;
            }
            
            .process-steps {
                flex-wrap: wrap;
            }
            
            .process-step {
                flex: 0 0 50%;
                margin-bottom: 30px;
            }
            
            .process-steps::before {
                display: none;
            }
        }
        
        @media (max-width: 768px) {
            .page-header h1 {
                font-size: 2.5rem;
            }
            
            .service-header {
                flex-direction: column;
                text-align: center;
            }
            
            .service-icon {
                margin-right: 0;
                margin-bottom: 15px;
            }
            
            .tab-btn {
                flex: 0 0 100%;
                text-align: center;
            }
            
            .process-step {
                flex: 0 0 100%;
            }
        }