/* 展示图样式 */
        .hero-banner {
            height: 80vh;
            background: var(--gradient);
            display: flex;
            align-items: center;
            position: relative;
            margin-top: 80px;
            overflow: hidden;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            color: white;
            padding: 0 20px;
        }
        
        .hero-content h1 {
            font-size: 3.5rem;
            margin-bottom: 25px;
            font-weight: 800;
            line-height: 1.2;
            text-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .hero-content p {
            font-size: 1.3rem;
            margin-bottom: 40px;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
            font-weight: 500;
        }
        
        .hero-image {
            position: absolute;
            right: 0;
            top: 0;
            height: 100%;
            width: 50%;
            overflow: hidden;
        }
        
        .hero-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.7;
        }
        
        /* 服务板块样式 */
        .services {
            background: var(--light);
            position: relative;
        }
        
        .services::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(37, 99, 235, 0.03)"/></svg>');
            background-size: cover;
            z-index: 0;
        }
        
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            position: relative;
            z-index: 1;
        }
        
        .service-card {
            background: var(--white);
            border-radius: 15px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--gradient);
            transform: scaleX(0);
            transition: var(--transition);
            transform-origin: left;
        }
        
        .service-card:hover {
            transform: translateY(-15px) scale(1.02);
            box-shadow: var(--shadow-lg);
        }
        
        .service-card:hover::before {
            transform: scaleX(1);
        }
        
        .service-image {
            height: 200px;
            overflow: hidden;
        }
        
        .service-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        
        .service-card:hover .service-image img {
            transform: scale(1.1);
        }
        
        .service-details {
            padding: 30px;
        }
        
        .service-details h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--dark);
            font-weight: 700;
        }
        
        .service-details p {
            margin-bottom: 20px;
            color: #64748b;
            font-size: 1.1rem;
        }
        
        .service-info {
            display: flex;
            justify-content: space-between;
            margin-bottom: 25px;
            flex-wrap: wrap;
            gap: 15px;
        }
        
        .info-item {
            flex: 1;
            min-width: 120px;
        }
        
        .info-item h4 {
            font-size: 0.9rem;
            color: #64748b;
            margin-bottom: 5px;
        }
        
        .info-item p {
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 0;
        }
        
        .price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 20px 0;
            text-align: center;
            display: block;
        }
        
        .price span {
            font-size: 1.1rem;
            color: #64748b;
            font-weight: normal;
        }
        
        /* 优势板块样式 */
        .advantages {
            background: var(--light);
            position: relative;
            overflow: hidden;
        }
        
        .advantages::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: var(--gradient);
            border-radius: 50%;
            opacity: 0.05;
            z-index: 0;
        }
        
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 35px;
            position: relative;
            z-index: 1;
        }
        
        .advantage-card {
            text-align: center;
            padding: 40px 25px;
            background: var(--white);
            border-radius: 15px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--gradient);
            opacity: 0;
            transition: var(--transition);
            z-index: -1;
        }
        
        .advantage-card:hover {
            transform: translateY(-10px) scale(1.03);
            color: var(--white);
            box-shadow: var(--shadow-lg);
        }
        
        .advantage-card:hover::before {
            opacity: 1;
        }
        
        .advantage-card:hover h3,
        .advantage-card:hover p {
            color: var(--white);
        }
        
        .advantage-icon {
            width: 80px;
            height: 80px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: var(--white);
            font-size: 2.2rem;
            transition: var(--transition);
        }
        
        .advantage-card:hover .advantage-icon {
            background: rgba(255, 255, 255, 0.2);
            transform: rotate(360deg);
        }
        
        .advantage-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark);
            font-weight: 700;
            transition: var(--transition);
        }
        
        .advantage-card p {
            transition: var(--transition);
        }
        
        /* 服务流程样式 */
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 70px;
            flex-wrap: wrap;
        }
        
        .process-steps::before {
            content: '';
            position: absolute;
            top: 60px;
            left: 0;
            width: 100%;
            height: 3px;
            background: #e2e8f0;
            z-index: 1;
        }
        
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
            min-width: 200px;
            margin-bottom: 40px;
        }
        
        .step-icon {
            width: 120px;
            height: 120px;
            background: var(--gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: var(--white);
            font-size: 2.5rem;
            position: relative;
            animation: pulse 3s infinite;
            box-shadow: 0 10px 20px rgba(37, 99, 235, 0.3);
        }
        
        .step h4 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--dark);
            font-weight: 700;
        }
        
        .step p {
            color: #64748b;
        }
    
        
        /* 动画定义 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.5);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(37, 99, 235, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(37, 99, 235, 0);
            }
        }
        
        @keyframes float {
            0% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
            100% {
                transform: translateY(0);
            }
        }
        
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .hero-content h1 {
                font-size: 3rem;
            }
            
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 992px) {
            .process-steps {
                flex-direction: column;
                gap: 50px;
            }
            
            .process-steps::before {
                display: none;
            }
            
            .step {
                display: flex;
                align-items: center;
                text-align: left;
                min-width: 100%;
            }
            
            .step-icon {
                margin: 0 25px 0 0;
                flex-shrink: 0;
                width: 100px;
                height: 100px;
            }
            
            .hero-content h1 {
                font-size: 2.5rem;
            }
            
            .nav-contact {
                display: none;
            }
        }
        
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background: var(--white);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 60px;
                transition: var(--transition);
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                margin: 20px 0;
            }
            
            .nav-toggle {
                display: block;
            }
            
            .hero-content h1 {
                font-size: 2.2rem;
            }
            
            .hero-content p {
                font-size: 1.1rem;
            }
            
            .section-title h2 {
                font-size: 2.5rem;
            }
            
            .section {
                padding: 80px 0;
            }
            
            .service-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 576px) {
            .section {
                padding: 60px 0;
            }
            
            .hero-content h1 {
                font-size: 2rem;
            }
            
            .hero-content p {
                font-size: 1rem;
            }
            
            .advantage-grid, .service-grid {
                grid-template-columns: 1fr;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            
            .hero-image {
                display: none;
            }
            
            .hero-banner {
                text-align: center;
                justify-content: center;
            }
        }