/* 英雄区域 */
        .hero {
            margin-top: 100px;
            position: relative;
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(74, 108, 247, 0.05) 0%, rgba(129, 161, 255, 0.1) 100%);
            border-radius: 20px;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(74, 108, 247, 0.1) 0%, transparent 70%);
            animation: pulse 15s infinite linear;
        }
        
        @keyframes pulse {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 650px;
        }
        
        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            color: #2c3e50;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero p {
            font-size: 18px;
            color: #5a6c85;
            margin-bottom: 30px;
            line-height: 1.8;
        }
        
        .btn {
            display: inline-block;
            background: linear-gradient(90deg, #4a6cf7, #81a1ff);
            color: white;
            padding: 14px 35px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(74, 108, 247, 0.3);
            border: none;
            cursor: pointer;
            font-size: 16px;
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(74, 108, 247, 0.4);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid #4a6cf7;
            color: #4a6cf7;
            box-shadow: none;
            margin-left: 15px;
        }
        
        .btn-outline:hover {
            background: #4a6cf7;
            color: white;
        }
        
        /* 关于我们 */
        .about {
            padding: 100px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: #2c3e50;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 3px;
            background: linear-gradient(90deg, #4a6cf7, #81a1ff);
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .section-title p {
            color: #5a6c85;
            max-width: 600px;
            margin: 15px auto 0;
            line-height: 1.8;
        }
        
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .about-text h3 {
            font-size: 28px;
            color: #2c3e50;
            margin-bottom: 20px;
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: #5a6c85;
            line-height: 1.8;
        }
        
        .about-features {
            margin-top: 30px;
        }
        
        .feature-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .feature-icon {
            width: 50px;
            height: 50px;
            background: rgba(74, 108, 247, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: #4a6cf7;
            font-size: 20px;
        }
        
        .about-image {
            position: relative;
        }
        
        .about-image img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .about-image::after {
            content: '';
            position: absolute;
            width: 100%;
            height: 100%;
            border: 3px solid #4a6cf7;
            border-radius: 12px;
            top: 15px;
            left: 15px;
            z-index: -1;
            opacity: 0.3;
        }
        
        /* 服务范围 */
        .services {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(249, 251, 253, 0.8) 0%, rgba(240, 244, 248, 0.8) 100%);
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            text-align: center;
            padding: 40px 30px;
            position: relative;
            z-index: 1;
        }
        
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 0;
            background: linear-gradient(135deg, #4a6cf7 0%, #81a1ff 100%);
            opacity: 0.05;
            transition: height 0.5s ease;
            z-index: -1;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .service-card:hover::before {
            height: 100%;
        }
        
        .service-icon {
            width: 80px;
            height: 80px;
            background: rgba(74, 108, 247, 0.1);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: #4a6cf7;
            font-size: 32px;
            transition: all 0.3s;
        }
        
        .service-card:hover .service-icon {
            background: #4a6cf7;
            color: white;
            transform: rotateY(180deg);
        }
        
        .service-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: #2c3e50;
        }
        
        .service-card p {
            color: #5a6c85;
            margin-bottom: 20px;
            line-height: 1.7;
        }
        
        /* 数据统计 */
        .stats {
            padding: 80px 0;
            background: linear-gradient(135deg, #4a6cf7 0%, #81a1ff 100%);
            color: white;
        }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        
        .stat-item {
            text-align: center;
            padding: 30px;
        }
        
        .stat-number {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 10px;
            transition: all 0.5s ease;
        }
        
        .stat-text {
            font-size: 18px;
            opacity: 0.9;
        }
        
        /* 客户评价 */
        .testimonials {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(249, 251, 253, 0.8) 0%, rgba(240, 244, 248, 0.8) 100%);
        }
        
        .testimonials-container {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }
        
        .testimonial {
            background: white;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            text-align: center;
            margin: 0 20px;
            opacity: 0;
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            transition: opacity 0.5s ease;
        }
        
        .testimonial.active {
            opacity: 1;
            position: relative;
            animation: fadeIn 1s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        .testimonial-text {
            font-size: 18px;
            line-height: 1.8;
            color: #5a6c85;
            margin-bottom: 25px;
            position: relative;
        }
        
        .testimonial-text::before,
        .testimonial-text::after {
            content: '"';
            font-size: 60px;
            color: #4a6cf7;
            opacity: 0.2;
            position: absolute;
            line-height: 1;
        }
        
        .testimonial-text::before {
            top: -20px;
            left: -15px;
        }
        
        .testimonial-text::after {
            bottom: -40px;
            right: -15px;
        }
        
        .testimonial-author {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 5px;
        }
        
        .testimonial-company {
            color: #4a6cf7;
            font-size: 14px;
        }
        
        .testimonial-nav {
            display: flex;
            justify-content: center;
            margin-top: 30px;
        }
        
        .testimonial-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #dde1e7;
            margin: 0 5px;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .testimonial-dot.active {
            background: #4a6cf7;
            transform: scale(1.2);
        }
        
        /* 联系我们 */
        .contact {
            padding: 100px 0;
        }
        
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        
        .contact-info {
            background: linear-gradient(135deg, #4a6cf7 0%, #81a1ff 100%);
            padding: 50px;
            border-radius: 12px;
            color: white;
        }
        
        .contact-info h3 {
            font-size: 24px;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .contact-info h3::after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background: white;
            bottom: 0;
            left: 0;
        }
        
        .contact-details {
            list-style: none;
            margin-top: 30px;
        }
        
        .contact-details li {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
        }
        
        .contact-details i {
            margin-right: 15px;
            font-size: 20px;
            width: 30px;
        }
        
        .wechat-contact {
            background: white;
            padding: 50px;
            border-radius: 12px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            text-align: center;
        }
        
        .wechat-contact h3 {
            font-size: 24px;
            color: #2c3e50;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .wechat-contact h3::after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background: #4a6cf7;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .qrcode-container {
            margin: 20px 0;
        }
        
        .qrcode-container img {
            max-width: 200px;
            border: 1px solid #eaeaea;
            border-radius: 8px;
            padding: 10px;
            background: white;
        }
        
        .wechat-contact p {
            color: #5a6c85;
            margin-top: 15px;
            font-size: 16px;
        }
        
    
        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content,
            .contact-grid {
                grid-template-columns: 1fr;
            }
            
            .hero h1 {
                font-size: 36px;
            }
            
            nav ul {
                display: none;
            }
        }
        
        @media (max-width: 768px) {
            .hero {
                padding: 60px 0;
                text-align: center;
            }
            
            .hero h1 {
                font-size: 32px;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
            
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            
            .stat-number {
                font-size: 36px;
            }
            
            .contact-info,
            .wechat-contact {
                padding: 30px;
            }
        }
        
        @media (max-width: 576px) {
            .btn {
                padding: 12px 25px;
                font-size: 14px;
                display: block;
                margin: 10px auto;
                width: max-content;
            }
            
            .btn-outline {
                margin-left: 0;
            }
            
            .service-card {
                padding: 30px 20px;
            }
            
            .stats-grid {
                grid-template-columns: 1fr;
            }
            
            .testimonial {
                padding: 30px 20px;
            }
        }