/* 轮播图样式*/
        .hero {
            position: relative;
            height: 100vh;
            min-height: 700px;
            overflow: hidden;
            margin-top: var(--header-height);
        }
        
        .slideshow {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
        }
        
        .slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1.2s ease-in-out;
            z-index: 1;
        }
        
        .slide.active {
            opacity: 1;
            z-index: 2;
        }
        
        .slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .slide-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(rgba(0, 0, 0, 0.1), rgba(0, 0, 0, 0.1));
        }
        
        .hero-content {
            position: relative;
            z-index: 4;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            color: var(--white);
            padding: 0 20px;
        }
        
        .hero-content .container {
            max-width: 1200px;
        }
        
        .hero-content h2 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.2;
            max-width: 800px;
        }
        
        .hero-content p {
            font-size: 1.3rem;
            max-width: 600px;
            margin-bottom: 40px;
            opacity: 0.9;
            line-height: 1.6;
        }
        
        .cta-buttons {
            display: flex;
            gap: 15px;
            margin-top: 10px;
        }
        
        /* 轮播图导航 */
        .slider-nav {
            position: absolute;
            bottom: 40px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 5;
        }
        
        .slider-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            cursor: pointer;
            transition: var(--transition);
        }
        
        .slider-dot.active {
            background-color: var(--white);
            transform: scale(1.2);
        }
        
        .slider-arrows {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 100%;
            display: flex;
            justify-content: space-between;
            padding: 0 30px;
            z-index: 5;
        }
        
        .arrow {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px;
            cursor: pointer;
            transition: var(--transition);
            backdrop-filter: blur(5px);
        }
        
        .arrow:hover {
            background-color: rgba(255, 255, 255, 0.3);
            transform: scale(1.1);
        }
        
        /* 特点展示区 */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: -70px;
            position: relative;
            z-index: 10;
            padding: 0 20px;
        }
        
        .feature-card {
            background: var(--white);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            text-align: center;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--hover-shadow);
        }
        
        .feature-icon {
            width: 70px;
            height: 70px;
            background: rgba(0, 102, 204, 0.1);
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            color: var(--primary-blue);
            font-size: 28px;
        }
        
        .feature-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--primary-dark);
        }
        
        .feature-card p {
            color: var(--mid-text);
            line-height: 1.6;
        }
        
        /* 行业解决方案 - 3D卡片翻转效果 */
        .industries-container {
            position: relative;
            padding: 0 20px;
        }
        
        .industries-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            perspective: 1000px;
        }
        
        .industry-card {
            height: 380px;
            perspective: 1000px;
            cursor: pointer;
        }
        
        .industry-card-inner {
            position: relative;
            width: 100%;
            height: 100%;
            transition: transform 0.8s;
            transform-style: preserve-3d;
            box-shadow: var(--card-shadow);
            border-radius: 12px;
        }
        
        .industry-card:hover .industry-card-inner {
            transform: rotateY(180deg);
        }
        
        .industry-card-front,
        .industry-card-back {
            position: absolute;
            width: 100%;
            height: 100%;
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
            border-radius: 12px;
            overflow: hidden;
        }
        
        .industry-card-front {
            background-color: var(--white);
            color: var(--dark-text);
            display: flex;
            flex-direction: column;
        }
        
        .industry-card-back {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-dark) 100%);
            color: var(--white);
            transform: rotateY(180deg);
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 30px;
        }
        
        .industry-icon {
            height: 200px;
            background-color: var(--light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: var(--primary-blue);
            transition: var(--transition);
        }
        
        .industry-card-front .industry-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .industry-card-front h3 {
            color: var(--primary-dark);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }
        
        .industry-card-front p {
            color: var(--mid-text);
            margin-bottom: 20px;
            line-height: 1.6;
            flex-grow: 1;
        }
        
        .industry-card-front .industry-link {
            color: var(--accent);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: var(--transition);
        }
        
        .industry-card-back h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            text-align: center;
        }
        
        .industry-card-back ul {
            list-style: none;
            margin-bottom: 25px;
        }
        
        .industry-card-back li {
            padding: 10px 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .industry-card-back li em {
            color: var(--accent);
        }
        
        .industry-card-back .btn {
            align-self: center;
            margin-top: auto;
        }
        
        /* 核心产品 */
        .products-section {
            background-color: var(--light-bg);
        }
        
        .product-filters {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 50px;
        }
        
        .filter-btn {
            padding: 12px 28px;
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
            font-size: 15px;
        }
        
        .filter-btn.active, 
        .filter-btn:hover {
            background: var(--primary-blue);
            color: var(--white);
            border-color: var(--primary-blue);
            box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
        }
        
        .products {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--hover-shadow);
        }
        
        .product-img {
            height: 240px;
            background-color: #eef2f7;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        .product-img img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        .product-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent);
            color: var(--white);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 500;
        }
        
        .product-info {
            padding: 25px;
            border-top: 3px solid var(--primary-blue);
            display: flex;
            flex-direction: column;
        }
        
        .product-info h3 {
		     text-align: center;
            color: var(--primary-dark);
            margin-bottom: 10px;
            font-size: 1.4rem;
        }
        
        .product-info p {
            color: var(--mid-text);
            margin-bottom: 15px;
            line-height: 1.6;
            flex-grow: 1;
        }
        
        .product-specs {
            display: flex;
            margin: 20px 0;
            padding: 20px 0;
            border-top: 1px dashed #eee;
            border-bottom: 1px dashed #eee;
        }
        
        .spec {
            flex: 1;
            text-align: center;
            padding: 0 10px;
        }
        
        .spec-value {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 5px;
            color: #ff6b35;
        }
        
        .spec-label {
            font-size: 0.85rem;
            color: var(--light-text);
        }
        
        .product-actions {
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
        }
        
        .btn-small {
            padding: 10px 20px;
            font-size: 14px;
        }
        
        /* 技术资源 */
        .resources {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
            gap: 30px;
        }
        
        .resource-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            height: 100%;
            transition: var(--transition);
        }
        
        .resource-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--hover-shadow);
        }
        
        .resource-header {
            background: var(--primary-blue);
            color: var(--white);
            padding: 25px;
            display: flex;
            align-items: center;
        }
        
        .resource-header i {
            font-size: 2.2rem;
            margin-right: 15px;
        }
        
        .resource-header h3 {
            font-size: 1.4rem;
        }
        
        .resource-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .resource-content > p {
            color: var(--mid-text);
            margin-bottom: 20px;
        }
        
        .resource-content ul {
            list-style: none;
            margin: 20px 0;
            flex-grow: 1;
        }
        
        .resource-content li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .resource-content li:last-child {
            border-bottom: none;
        }
        
        .resource-content a {
            color: var(--mid-text);
            transition: var(--transition);
            flex-grow: 1;
        }
        
        .resource-content a:hover {
            color: var(--primary-blue);
        }
        
        .download-btn {
            color: var(--accent) !important;
            font-weight: 500;
            flex-grow: 0 !important;
            margin-left: 10px;
        }
        
        /* 客户案例 - 时间轴布局 */
         .case-section {
            background: var(--white);
            position: relative;
        }
        
        .cases-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .case-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .case-card:hover {
            transform: translateY(-10px);
            box-shadow: var(--hover-shadow);
        }
        
        .case-image {
            height: 200px;
            background-color: var(--light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        
        .case-image-content {
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            transition: transform 0.5s ease;
        }
        
        .case-card:hover .case-image-content {
            transform: scale(1.05);
        }
        
        .case-industry {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent);
            color: var(--white);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 500;
            z-index: 2;
        }
        
        .case-content {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .case-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .case-logo {
            width: 60px;
            height: 60px;
            background: var(--primary-blue);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-weight: bold;
            font-size: 14px;
            color: var(--white);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        .case-info h3 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 5px;
            text-align: left;
        }
        
        .case-info p {
            color: var(--mid-text);
            font-size: 0.9rem;
            text-align: left;
        }
        
        .case-details {
            margin-bottom: 20px;
            flex-grow: 1;
        }
        
        .case-details h4 {
            font-size: 1.1rem;
            margin: 15px 0 8px;
            color: var(--primary-blue);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .case-details p {
            color: var(--mid-text);
            line-height: 1.6;
            font-size: 0.95rem;
        }
        
        .case-stats {
            display: flex;
            justify-content: space-between;
            background: var(--light-bg);
            border-radius: 8px;
            padding: 15px;
            margin: 20px 0;
        }
        
        .stat-item {
            text-align: center;
            flex: 1;
        }
        
        .stat-value {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 5px;
            color: var(--accent);
        }
        
        .stat-label {
            font-size: 0.85rem;
            color: var(--light-text);
        }
        
        .case-footer {
            margin-top: auto;
            text-align: center;
        }
        
        .case-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 24px;
            background: transparent;
            border: 1px solid var(--primary-blue);
            color: var(--primary-blue);
            border-radius: 6px;
            font-weight: 500;
            transition: var(--transition);
            font-size: 0.95rem;
            gap: 8px;
        }
        
        .case-link:hover {
            background: var(--primary-blue);
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 102, 204, 0.2);
        }
        
        .cases-filter {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }
		.view-more-container {
             text-align: center;
             margin-top: 40px;
        }
 
        /* 响应式设计 */
        @media (max-width: 1200px) {
            .hero-content h2 {
                font-size: 3rem;
            }
            
            .search-container input {
                width: 200px;
            }
            
            .search-container input:focus {
                width: 240px;
            }
        }
        
        @media (max-width: 992px) {
            .section {
                padding: 80px 0;
            }
            
            .hero {
                height: auto;
                min-height: 600px;
            }
            
            .hero-content h2 {
                font-size: 2.5rem;
            }
            
            .hero-content p {
                font-size: 1.1rem;
            }
            
            .features {
                grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
                margin-top: 40px;
                gap: 20px;
            }
            
            .feature-card {
                padding: 20px;
            }
            
            .industry-card {
                height: auto;
                margin-bottom: 20px;
            }
            
            .industry-card-inner {
                transform: none !important;
                height: auto;
            }
            
            .industry-card-front,
            .industry-card-back {
                position: relative;
                transform: none;
                height: auto;
            }
            
            .industry-card-back {
                display: none;
            }
            
            .industry-icon {
                height: 150px;
                font-size: 3rem;
            }
            
            .industry-content {
                padding: 20px !important;
            }
            
            .industry-content h3 {
                font-size: 1.3rem;
            }
            
            .industry-content p {
                font-size: 0.95rem;
            }
            
            /* 时间轴响应式 */
            .timeline::after {
                left: 31px;
            }
            
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            
            .timeline-item:nth-child(even) {
                left: 0;
            }
            
            .timeline-item::after {
                left: 18px !important;
            }
        }
        
        @media (max-width: 768px) {
            .section {
                padding: 60px 0;
            }
            
            .section-title {
                margin-bottom: 40px;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .section-title h2::after {
                bottom: -10px;
                width: 60px;
                height: 3px;
            }
            
            .section-title p {
                font-size: 1rem;
                margin-top: 20px;
            }
            
            .hero-content h2 {
                font-size: 2rem;
                text-align: center;
            }
            
            .hero-content p {
                font-size: 1rem;
                text-align: center;
                max-width: 100%;
            }
            
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .features {
                grid-template-columns: 1fr;
                margin-top: 30px;
            }
            
            .products {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .product-img {
                height: 200px;
            }
            
            .product-info {
                padding: 20px;
            }
            
            .product-info h3 {
			     text-align: center;
                font-size: 1.2rem;
            }
            
            .product-specs {
                flex-direction: column;
                gap: 15px;
                margin: 15px 0;
                padding: 15px 0;
            }
            
            .spec {
                display: flex;
                justify-content: space-between;
                align-items: center;
                text-align: left;
                padding: 5px 0;
            }
            
            .spec-value, .spec-label {
                margin: 0;
            }
            
            .product-actions {
                flex-direction: column;
                gap: 10px;
            }
            
            .resources {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .resource-header {
                padding: 20px;
            }
            
            .resource-content {
                padding: 20px;
            }
            
            .industries-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .cases-container {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .case-stats {
                flex-direction: column;
                gap: 15px;
            }
            
            .case-header {
                flex-direction: column;
                text-align: center;
                gap: 15px;
            }
            
            .case-logo {
                margin-right: 0;
            }
            
            .cta-form {
                flex-direction: column;
            }
            
            .form-group {
                flex: 1 1 100%;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            
            .footer-column h3 {
                font-size: 1.2rem;
                margin-bottom: 20px;
            }
            
            .client-logo {
                min-width: 120px;
                height: 40px;
                padding: 8px 15px;
            }
            
            .clients-logos {
                gap: 20px;
                padding: 30px 20px;
            }
            
            .slider-arrows {
                display: none;
            }
            
            .hero {
                min-height: 500px;
            }
            
            .hero-content {
                padding-top: 120px;
                padding-bottom: 80px;
            }
            
            .slider-nav {
                bottom: 20px;
            }
            
        }
        
        @media (max-width: 576px) {
            .hero-content h2 {
                font-size: 1.8rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
            
            .product-filters, .cases-filter {
                gap: 8px;
            }
            
            .filter-btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            
            .client-logo {
                min-width: 100px;
                height: 35px;
                font-size: 12px;
            }
            
            .contact-info {
                flex-direction: column;
                gap: 10px;
            }
            
            .top-bar .container {
                gap: 15px;
            }
            
            .logo {
                gap: 8px;
            }
            
            .logo img {
                max-width: 304px; /* 小屏幕调整logo大小 */
            }
            
            .nav-phone {
                padding: 8px;
                margin-left: 10px;
            }
            
            .mobile-menu-btn {
                width: 24px;
                height: 40px;
                font-size: 20px;
            }
        }