/* CSS样式开始 */
        :root {
            --primary: #1a73e8;
            --primary-dark: #0d62d9;
            --primary-light: #e8f0fe;
            --secondary: #ff6b35;
            --secondary-dark: #e55a2b;
            --accent: #34a853;
            --warning: #fbbc05;
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --border-radius: 10px;
            --box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s ease;
            --gradient-primary: linear-gradient(135deg, #1a73e8 0%, #0d62d9 100%);
            --gradient-secondary: linear-gradient(135deg, #ff6b35 0%, #e55a2b 100%);
            
            /* 产品分类颜色 */
            --commerce-color: #2196f3;
            --food-color: #ff9800;
            --wholesale-color: #4caf50;
            --marketing-color: #9c27b0;
            --ai-color: #00bcd4;
            
            /* 服务分类颜色 */
            --dev-color: #2196f3;
            --consulting-color: #ff9800;
            --ops-color: #4caf50;
            --ai-service-color: #00bcd4;
            --solution-color: #009688;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Noto Sans SC', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #ffffff;
            overflow-x: hidden;
        }
        
        h1, h2, h3, h4, h5 {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            line-height: 1.3;
            color: var(--dark);
        }
        
        .container {
            width: 100%;
            max-width: 1680px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        .section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background: var(--secondary);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }
        
        .section-title p {
            font-size: 1.1rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .btn {
            display: inline-block;
            padding: 14px 32px;
            background: var(--primary);
            color: white;
            border-radius: var(--border-radius);
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-align: center;
        }
        
        .btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(26, 115, 232, 0.2);
        }
        
        .btn-secondary {
            background: var(--secondary);
        }
        
        .btn-secondary:hover {
            background: var(--secondary-dark);
        }
        
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        
        .btn-outline:hover {
            background: var(--primary);
            color: white;
        }
        
        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            padding: 15px 0;
            transition: var(--transition);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }
        
        .logo-img {
            height: 40px;
            width: auto;
            border-radius: 8px;
            margin-right: 12px;
            object-fit: contain;
        }
        
        .logo-text {
            font-family: 'Poppins', sans-serif;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--dark);
        }
        
        .logo-text span {
            color: var(--primary);
        }
        
        /* 移除logo描述 */
        .logo-slogan {
            display: none;
        }
        
        .nav-menu {
            display: flex;
            list-style: none;
        }
        
        .nav-menu li {
            margin-left: 25px;
            position: relative;
        }
        
        .nav-menu > li > a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
            padding: 5px 0;
        }
        
        .nav-menu > li > a:hover {
            color: var(--primary);
        }
        
        .nav-menu > li > a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }
        
        .nav-menu > li > a:hover:after {
            width: 100%;
        }
        
        /* 新版二级菜单 - 居中四列布局 */
        .dropdown-menu {
            position: absolute;
            top: calc(100% + 15px); /* 向下增加15px */
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: white;
            width: 900px; /* 宽度为屏幕的95% */
            max-width: 1200px;
            box-shadow: var(--box-shadow);
            border-radius: var(--border-radius);
            padding: 30px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 100;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        
        .nav-menu li:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(0);
        }
        
        .dropdown-item {
            display: flex;
            align-items: center;
            padding: 5px;
            border-radius: 8px;
            transition: var(--transition);
            text-decoration: none;
            color: var(--dark);
            margin-bottom: 10px;
        }
        
        .dropdown-item:hover {
            background: var(--primary-light);
        }
        
        .dropdown-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 1.2rem;
        }
        
        .dropdown-content {
            flex: 1;
        }
        
        .dropdown-title {
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 5px;
            color: var(--dark);
        }
        
        .dropdown-desc {
            font-size: 0.85rem;
            color: var(--gray);
        }
        
        /* 移动端适配 */
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }
        
        /* 英雄区域 */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
            position: relative;
            overflow: hidden;
        }
        
        .hero:before {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(26, 115, 232, 0.05);
            top: -300px;
            right: -200px;
        }
        
        .hero:after {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.05);
            bottom: -200px;
            left: -100px;
        }
        
        .hero-carousel {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            z-index: 1;
        }
        
        .carousel-container {
            position: relative;
            overflow: hidden;
            width: 100%;
        }
        
        .carousel-track {
            display: flex;
            transition: transform 0.5s ease-in-out;
            width: 300%;
        }
        
        .carousel-slide {
            min-width: 33.333%;
            width: 33.333%;
            flex-shrink: 0;
            padding-right: 60px;
        }
        
        .hero-content h1 {
            font-size: 3.2rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero-content h1 span {
            color: var(--primary);
        }
        
        .hero-content p {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
            max-width: 500px;
        }
        
        .hero-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-left: 10px;
        }
        
        .hero-features {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 30px;
        }
        
        .feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--dark);
        }
        
        .feature-item i {
            color: var(--accent);
            font-size: 1.1rem;
        }
        
        .carousel-controls {
            display: flex;
            gap: 10px;
            margin-top: 30px;
            align-items: center;
        }
        
        .carousel-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: white;
            border: none;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            box-shadow: var(--box-shadow);
        }
        
        .carousel-btn:hover {
            background: var(--primary);
            color: white;
        }
        
        .carousel-dots {
            display: flex;
            gap: 10px;
            align-items: center;
            margin-left: 20px;
        }
        
        .carousel-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ddd;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        
        .carousel-dot.active {
            background: var(--primary);
            transform: scale(1.2);
        }
        
        .image-stack-container {
            position: relative;
            width: 100%;
            height: 400px;
        }
        
        .stack-track {
            position: relative;
            width: 100%;
            height: 100%;
        }
        
        .stack-image {
            position: absolute;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            overflow: hidden;
            opacity: 0;
            visibility: hidden;
            transform: translateX(50px);
        }
        
        .stack-image.active {
            opacity: 1;
            visibility: visible;
            transform: translateX(0);
        }
        
        .stack-main {
            width: 85%;
            height: 85%;
            top: 0;
            right: 0;
            z-index: 3;
            transition-delay: 0.2s;
        }
        
        .stack-top {
            width: 40%;
            height: 50%;
            top: -20px;
            left: 0;
            transform: rotate(-5deg) translateX(50px);
            z-index: 4;
            border: 8px solid white;
            transition-delay: 0.1s;
        }
        
        .stack-top.active {
            transform: rotate(-5deg) translateX(0);
        }
        
        .stack-bottom {
            width: 35%;
            height: 45%;
            bottom: -15px;
            left: 20%;
            transform: rotate(3deg) translateX(50px);
            z-index: 2;
            border: 8px solid white;
            transition-delay: 0.3s;
        }
        
        .stack-bottom.active {
            transform: rotate(3deg) translateX(0);
        }
        
        .stack-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        /* 业务模式区域 */
        .business-models {
            background: var(--light);
        }
        
        .models-tabs-container {
            position: relative;
            margin-bottom: 40px;
        }
        
        .models-tabs-wrapper {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            display: flex;
            justify-content: center; /* 居中显示tabs */
        }
        
        .models-tabs-wrapper::-webkit-scrollbar {
            display: none;
        }
        
        .models-tabs {
            display: inline-flex;
            gap: 10px;
            padding: 5px;
            white-space: nowrap;
        }
        
        .model-tab {
            padding: 12px 24px;
            background: white;
            border: 2px solid var(--light);
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        
        .model-tab.active {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }
        
        .models-content {
            display: none;
            animation: fadeIn 0.5s ease;
        }
        
        .models-content.active {
            display: block;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* 软件产品网格 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 20px;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            border-top: 4px solid var(--commerce-color);
            text-align: center;
            position: relative;
        }
        
        .product-card[data-category="commerce"] {
            border-top-color: var(--commerce-color);
        }
        
        .product-card[data-category="food"] {
            border-top-color: var(--food-color);
        }
        
        .product-card[data-category="wholesale"] {
            border-top-color: var(--wholesale-color);
        }
        
        .product-card[data-category="marketing"] {
            border-top-color: var(--marketing-color);
        }
        
        .product-card[data-category="ai"] {
            border-top-color: var(--ai-color);
        }
        
        .product-card:hover {
            transform: translateY(-10px);
        }
        
        /* 产品卡片角标 */
        .product-badge {
            position: absolute;
            padding: 4px 10px;
            font-size: 0.7rem;
            font-weight: 600;
            color: white;
            border-radius: 4px;
            z-index: 2;
        }
        
        .product-badge.new {
            top: 10px;
            right: 10px;
            background: var(--secondary);
        }
        
        .product-badge.more {
            bottom: 0;
            right: 0;
            background: var(--primary);
        }
        
        .product-icon {
            width: 70px;
            height: 70px;
            background: var(--primary-light);
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary);
            font-size: 1.8rem;
        }
        
        .product-card[data-category="commerce"] .product-icon {
            background: rgba(33, 150, 243, 0.1);
            color: var(--commerce-color);
        }
        
        .product-card[data-category="food"] .product-icon {
            background: rgba(255, 152, 0, 0.1);
            color: var(--food-color);
        }
        
        .product-card[data-category="wholesale"] .product-icon {
            background: rgba(76, 175, 80, 0.1);
            color: var(--wholesale-color);
        }
        
        .product-card[data-category="marketing"] .product-icon {
            background: rgba(156, 39, 176, 0.1);
            color: var(--marketing-color);
        }
        
        .product-card[data-category="ai"] .product-icon {
            background: rgba(0, 188, 212, 0.1);
            color: var(--ai-color);
        }
        
        .product-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        
        .product-card p {
            color: var(--gray);
            margin-bottom: 20px;
            font-size: 0.95rem;
            height:48px;
        }
        
        .product-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
            margin-top: 15px;
        }
        
        .product-tag {
            padding: 4px 12px;
            background: var(--light);
            color: var(--gray);
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        
        /* 产品卡片二维码 */
        .product-qr {
            margin-top: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            flex-wrap: wrap;
            padding-bottom:10px;
        }
        
        .product-qr-item {
            text-align: center;
        }
        
        .product-qr-item img {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            margin-bottom: 8px;
            border: 1px solid #eee;
        }
        
        .product-qr-item span {
            font-size: 0.8rem;
            color: var(--gray);
            display: block;
        }
        
        /* 服务卡片二维码容器 */
        .service-qr {
            margin-top: 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 15px;
            flex-wrap: wrap;
        }
        
        .service-qr-item {
            text-align: center;
        }
        
        .service-qr-item img {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            margin-bottom: 8px;
            border: 1px solid #eee;
        }
        
        .service-qr-item span {
            font-size: 0.8rem;
            color: var(--gray);
            display: block;
        }
        
        /* 技术服务网格 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .service-card {
            background: white;
            border-radius: var(--border-radius);
            padding: 35px 30px;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            border-left: 4px solid var(--dev-color);
            position: relative;
        }
        
        .service-card[data-category="dev"] {
            border-left-color: var(--dev-color);
        }
        
        .service-card[data-category="consulting"] {
            border-left-color: var(--consulting-color);
        }
        
        .service-card[data-category="ops"] {
            border-left-color: var(--ops-color);
        }
        
        .service-card[data-category="ai-service"] {
            border-left-color: var(--ai-service-color);
        }
        
        .service-card[data-category="solution"] {
            border-left-color: var(--solution-color);
        }
        
        .service-card:hover {
            transform: translateX(10px);
        }
        
        /* 服务卡片角标 */
        .service-badge {
            position: absolute;
            padding: 4px 10px;
            font-size: 0.7rem;
            font-weight: 600;
            color: white;
            border-radius: 4px;
            z-index: 2;
        }
        
        .service-badge.new {
            top: 10px;
            right: 10px;
            background: var(--secondary);
        }
        
        .service-badge.more {
            bottom: 0;
            right: 0;
            background: var(--primary);
        }
        
        .service-icon {
            width: 60px;
            height: 60px;
            background: rgba(33, 150, 243, 0.1);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--secondary);
            font-size: 1.5rem;
        }
        
        .service-card[data-category="dev"] .service-icon {
            background: rgba(33, 150, 243, 0.1);
            color: var(--dev-color);
        }
        
        .service-card[data-category="consulting"] .service-icon {
            background: rgba(255, 152, 0, 0.1);
            color: var(--consulting-color);
        }
        
        .service-card[data-category="ops"] .service-icon {
            background: rgba(76, 175, 80, 0.1);
            color: var(--ops-color);
        }
        
        .service-card[data-category="ai-service"] .service-icon {
            background: rgba(0, 188, 212, 0.1);
            color: var(--ai-service-color);
        }
        
        .service-card[data-category="solution"] .service-icon {
            background: rgba(0, 150, 136, 0.1);
            color: var(--solution-color);
        }
        
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
        }
        
        .service-card p {
            color: var(--gray);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        
        /* 解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            position: relative;
        }
        
        .solution-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            position: relative;
        }
        
        .solution-card:hover {
            transform: translateY(-10px);
        }
        
        .solution-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            position: relative;
        }
        
        /* 解决方案二维码区域 */
        .solution-qr-overlay {
            position: absolute;
            top: 15px;
            right: 15px;
            width: 100px;
            height: 100px;
            background: white;
            border-radius: 8px;
            padding: 5px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .solution-qr-overlay img {
            width: 90px;
            height: 90px;
            object-fit: contain;
        }
        
        .solution-content {
            padding: 25px;
            position: relative;
        }
        
        /* 解决方案底部角标 */
        .solution-badge {
            position: absolute;
            bottom: 0;
            right: 0;
            padding: 6px 12px;
            background: var(--primary);
            color: white;
            font-size: 0.8rem;
            font-weight: 600;
            border-radius: 4px;
            text-decoration: none;
            transition: var(--transition);
        }
        
        .solution-badge:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }
        
        .solution-category {
            display: inline-block;
            padding: 6px 15px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 15px;
        }
        
        .solution-card[data-industry="retail"] .solution-category {
            background: rgba(33, 150, 243, 0.1);
            color: var(--commerce-color);
        }
        
        .solution-card[data-industry="food"] .solution-category {
            background: rgba(255, 152, 0, 0.1);
            color: var(--food-color);
        }
        
        .solution-card[data-industry="manufacturing"] .solution-category {
            background: rgba(76, 175, 80, 0.1);
            color: var(--wholesale-color);
        }
        
        .solution-content h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        
        .solution-content p {
            color: var(--gray);
            margin-bottom: 20px;
        }
        
        .solution-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        
        .solution-feature {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        .solution-feature i {
            color: var(--accent);
            font-size: 0.9rem;
        }
        
        /* 更多方案按钮 */
        .more-solutions {
            text-align: center;
            margin-top: 40px;
        }
        
        /* 代理合作区域 */
        .agency-section {
            background: var(--light);
            padding: 80px 0;
        }
        
        .agency-content {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .agency-policy {
            background: white;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            padding: 40px;
        }
        
        .agency-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
            align-items: center;
        }
        
        .agency-text h3 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .agency-text p {
            color: var(--gray);
            margin-bottom: 30px;
            line-height: 1.8;
        }
        
        .agency-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        
        .stat-item {
            text-align: center;
            padding: 15px;
            background: var(--primary-light);
            border-radius: var(--border-radius);
        }
        
        .stat-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
        }
        
        .agency-image img {
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
        }
        
        /* 合作共赢区块 */
        .agency-wins {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        
        .agency-win {
            background: var(--light);
            border-radius: var(--border-radius);
            padding: 25px 20px;
            box-shadow: var(--box-shadow);
            text-align: center;
            transition: var(--transition);
        }
        
        .agency-win:hover {
            transform: translateY(-5px);
            background: white;
        }
        
        .agency-win i {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 15px;
        }
        
        .agency-win h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .agency-win p {
            color: var(--gray);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        
        .agency-apply {
            text-align: center;
            margin-top: 40px;
        }
        
        .agency-apply .btn {
            padding: 16px 50px;
            font-size: 1.1rem;
        }
        
        .agency-note {
            margin-top: 15px;
            color: var(--gray);
            font-size: 0.9rem;
        }
        
        /* 核心优势 */
        .advantages-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 80px 0;
        }
        
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
        }
        
        .advantage-card {
            text-align: center;
            padding: 30px;
        }
        
        .advantage-icon {
            width: 80px;
            height: 80px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 25px;
            color: white;
            font-size: 2rem;
        }
        
        .advantage-card h3 {
            color: white;
            font-size: 1.5rem;
            margin-bottom: 15px;
        }
        
        .advantage-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
        }
        
        /* 荣誉证书区域 */
        .certificates-section {
            background: white;
            padding: 60px 0;
        }
        
        .certificates-container {
            position: relative;
            max-width: 1200px;
            margin: 0 auto;
            overflow: hidden;
        }
        
        .certificates-track {
            display: flex;
            transition: transform 0.5s ease-in-out;
        }
        
        .certificate-slide {
            flex: 0 0 25%;
            padding: 0 15px;
            box-sizing: border-box;
        }
        
        .certificate-card {
            background: white;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        
        .certificate-card:hover {
            transform: translateY(-10px);
        }
        
        .certificate-img {
            width: 100%;
            height: 200px;
            object-fit: contain;
        }
        
        .certificate-title {
            padding: 20px;
            text-align: center;
            font-weight: 600;
            color: var(--dark);
        }
        
        .certificate-controls {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 30px;
        }
        
        .certificate-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            border: none;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        
        .certificate-btn:hover {
            background: var(--primary-dark);
        }
        
        /* CTA区域 */
        .cta {
            background: var(--gradient-primary);
            color: white;
            text-align: center;
            padding: 80px 0;
        }
        
        .cta h2 {
            color: white;
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .cta p {
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 30px;
            opacity: 0.9;
        }
        
        /* 弹窗样式 */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 2000;
            overflow-y: auto;
            padding: 20px;
        }
        
        .modal-content {
            background: white;
            width: 90%;
            max-width: 660px;
            margin: 50px auto;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
            animation: modalSlideIn 0.3s ease;
        }
        
        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        .modal-header {
            padding: 25px 30px;
            background: var(--gradient-primary);
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .modal-header h3 {
            color: white;
            font-size: 1.5rem;
            margin: 0;
        }
        
        .close-modal {
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
            transition: var(--transition);
        }
        
        .close-modal:hover {
            color: var(--light);
        }
        
        .modal-body {
            padding: 30px;
        }
        
        .modal-message {
            padding: 20px;
            border-radius: var(--border-radius);
            margin-bottom: 20px;
            display: none;
        }
        
        .modal-message.success {
            background: rgba(76, 175, 80, 0.1);
            color: var(--accent);
            border: 1px solid rgba(76, 175, 80, 0.2);
            display: block;
        }
        
        .modal-message.error {
            background: rgba(244, 67, 54, 0.1);
            color: var(--recovery-color);
            border: 1px solid rgba(244, 67, 54, 0.2);
            display: block;
        }
        
        /* 代理合作表单 */
        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 20px;
        }
        
        .form-group {
            margin-bottom: 15px;
        }
        
        .form-group label {
            display: block;
            font-weight: 500;
            color: var(--dark);
            margin-bottom: 8px;
            font-size: 0.95rem;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: var(--border-radius);
            font-size: 1rem;
            font-family: inherit;
            transition: var(--transition);
        }
        
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
        }
        
        /* 咨询弹窗 */
        .qr-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        
        .qr-item {
            text-align: center;
            padding: 10px;
        }
        
        .qr-item img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            margin-bottom: 15px;
        }
        
        .qr-title {
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--dark);
        }
        
        .qr-item a {
            display: inline-block;
            color: var(--primary);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .qr-item a:hover {
            color: var(--primary-dark);
            text-decoration: underline;
        }
        
        /* 地图弹窗 */
        .map-container {
            margin-top: 20px;
        }
        
        .map-info {
            margin-top: 20px;
            padding: 20px;
            background: var(--light);
            border-radius: var(--border-radius);
        }
        
        .map-info p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .map-info i {
            color: var(--primary);
            width: 20px;
        }
        
        .map-actions {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .map-actions .btn {
            flex: 1;
        }