:root {
            --primary: #1a365d;
            --secondary: #2b6cb0;
            --accent: #3182ce;
            --light: #f7fafc;
            --dark: #2d3748;
            --success: #38a169;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 头部样式 */
        header {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .case-image img{ max-width:100%;}
        .cases-grid2 .case-image{ min-height:280px}
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 34px;
            font-weight: 700;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 10px;
            color: #63b3ed;
        }
        
        .logo span {
            color: #63b3ed;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 25px;
        }
        
        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        nav ul li a:hover {
            color: #bee3f8;
        }
        
        .cta-button {
            background-color: #ed8936;
            color: white;
            padding: 10px 20px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        
        .cta-button:hover {
            background-color: #dd6b20;
        }
        
        /* 英雄区域 */
        .hero {
            background: linear-gradient(rgba(26, 54, 93, 0.8), rgba(26, 54, 93, 0.9)), url('../images/bg.jpeg');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 350px 0;
            text-align: center;
        }
        
        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        
        .hero p {
            font-size: 20px;
            max-width: 700px;
            margin: 0 auto 30px;
        }
        
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
        }
        
        .btn-primary {
            background-color: var(--accent);
            color: white;
            padding: 12px 30px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.3s;
        }
        
        .btn-primary:hover {
            background-color: #2c5aa0;
        }
        
        .btn-secondary {
            background-color: transparent;
            color: white;
            border: 2px solid white;
            padding: 12px 30px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .btn-secondary:hover {
            background-color: white;
            color: var(--primary);
        }
        
        /* 通用部分样式 */
        section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: var(--primary);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--accent);
        }
        
        .section-title p {
            color: var(--dark);
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 优势部分 */
        .features {
            background-color: white;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background-color: var(--light);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .feature-icon {
            font-size: 40px;
            color: var(--accent);
            margin-bottom: 20px;
        }
        
        .feature-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--primary);
        }
        
        /* 多语言网站优势部分 */
        .multi-lang-advantages {
            background-color: #f1f5f9;
        }
        
        .advantages-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }
        
        .advantage-item {
            background-color: white;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            display: flex;
            align-items: flex-start;
        }
        
        .advantage-icon {
            font-size: 36px;
            color: var(--accent);
            margin-right: 20px;
            flex-shrink: 0;
        }
        
        .advantage-content h3 {
            font-size: 20px;
            margin-bottom: 10px;
            color: var(--primary);
        }
        
        /* 小语种网站优势部分 */
        .minor-lang-advantages {
            background-color: white;
        }
        
        .minor-advantages-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
        }
        
        .minor-advantage-item {
            background-color: var(--light);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            position: relative;
            overflow: hidden;
        }
        
        .minor-advantage-item:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background-color: var(--accent);
        }
        
        .minor-advantage-item h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--primary);
        }
        
        .lang-tag {
            display: inline-block;
            background-color: var(--accent);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            margin-bottom: 15px;
        }
        
        /* 解决方案部分 */
        .solutions {
            background-color: #f1f5f9;
        }
        
        .solution-tabs {
            display: flex;
            justify-content: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        
        .tab {
            padding: 12px 25px;
            background-color: white;
            border: none;
            border-radius: 4px;
            margin: 0 10px 10px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }
        
        .tab.active {
            background-color: var(--accent);
            color: white;
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
        }
        
        .solution-content {
            background-color: white;
            border-radius: 8px;
            padding: 40px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .solution-content h3 {
            font-size: 26px;
            margin-bottom: 20px;
            color: var(--primary);
        }
        
        .solution-content ul {
            list-style-type: none;
            margin-bottom: 30px;
        }
        
        .solution-content ul li {
            padding: 10px 0;
            border-bottom: 1px solid #eee;
            position: relative;
            padding-left: 30px;
        }
        
        .solution-content ul li:before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--success);
            font-weight: bold;
        }
        
        /* 案例部分 */
        .cases {
            background-color: white;
        }
        
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
         
        .cases-grid2 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 30px;
        }
        
        .case-card {
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        
        .case-card:hover {
            transform: translateY(-10px);
        }
        
        .case-image {
            height: 200px;
            background-color: #ddd;
            background-size: cover;
            background-position: center;
        }
        
        .case-content {
            padding: 20px;
            background-color: white;
        }
        
        .case-content h3 {
            margin-bottom: 10px;
            color: var(--primary);
        }
        
        .case-tags {
            display: flex;
            flex-wrap: wrap;
            margin-top: 15px;
        }
        
        .case-tag {
            background-color: #e2e8f0;
            padding: 5px 10px;
            border-radius: 20px;
            font-size: 12px;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        
        /* 技术特点部分 */
        .tech-features {
            background-color: white;
        }
        
        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .tech-item {
            text-align: center;
            padding: 30px 20px;
        }
        
        .tech-icon {
            font-size: 50px;
            color: var(--accent);
            margin-bottom: 20px;
        }
        
        .tech-item h3 {
            margin-bottom: 15px;
            color: var(--primary);
        }
        
        /* 客户评价部分 */
        .testimonials {
            background-color: #f1f5f9;
        }
        
        .testimonial-slider {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }
        
        .testimonial {
            background-color: white;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
        }
        
        .testimonial-text:before, .testimonial-text:after {
            content: '"';
            font-size: 40px;
            color: #e2e8f0;
            position: absolute;
        }
        
        .testimonial-text:before {
            top: -10px;
            left: -10px;
        }
        
        .testimonial-text:after {
            bottom: -30px;
            right: -10px;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .author-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #ddd;
            margin-right: 15px;
        }
        
        .author-info h4 {
            margin-bottom: 5px;
            color: var(--primary);
        }
        
        .author-info p {
            color: #718096;
            font-size: 14px;
        }
        
        /* 服务流程部分 */
        .process {
            background-color: white;
        }
        
        .process-steps {
            display: flex;
            justify-content: space-between;
            position: relative;
            max-width: 1000px;
            margin: 0 auto;
        }
        
        .process-steps:before {
            content: '';
            position: absolute;
            top: 40px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #e2e8f0;
            z-index: 1;
        }
        
        .step {
            text-align: center;
            position: relative;
            z-index: 2;
            flex: 1;
        }
        
        .step-number {
            width: 80px;
            height: 80px;
            background-color: var(--accent);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: bold;
            margin: 0 auto 20px;
        }
        
        .step h3 {
            margin-bottom: 10px;
            color: var(--primary);
        }
        
        /* 价格部分 */
        .pricing {
            background-color: #f1f5f9;
        }
        
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .pricing-card {
            background-color: white;
            border-radius: 8px;
            padding: 40px 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            text-align: center;
            position: relative;
            transition: transform 0.3s;
        }
        
        .pricing-card.featured {
            transform: scale(1.05);
            border: 2px solid var(--accent);
        }
        
        .pricing-card.featured:before {
            content: '推荐';
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--accent);
            color: white;
            padding: 5px 20px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
        }
        
        .pricing-card:hover {
            transform: translateY(-10px);
        }
        
        .pricing-card.featured:hover {
            transform: scale(1.05) translateY(-10px);
        }
        
        .pricing-header {
            margin-bottom: 30px;
        }
        
        .pricing-name {
            font-size: 22px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        
        .pricing-price {
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 5px;
        }
        
        .pricing-period {
            color: #718096;
        }
        
        .pricing-features {
            list-style: none;
            margin-bottom: 30px;
        }
        
        .pricing-features li {
            padding: 10px 0;
            border-bottom: 1px solid #e2e8f0;
        }
        
        .pricing-features li:last-child {
            border-bottom: none;
        }
        
        /* 常见问题部分 */
        .faq {
            background-color: white;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        .faq-question {
            background-color: white;
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
        }
        
        .faq-answer {
            background-color: #f8f9fa;
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s, padding 0.3s;
        }
        
        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
        }
        
        /* 联系部分 */
        .contact {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
        }
        
        .contact .section-title h2 {
            color: white;
        }
        
        .contact .section-title p {
            color: #e2e8f0;
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
        }
        
        .contact-info h3 {
            margin-bottom: 20px;
            font-size: 24px;
        }
        
        .contact-details {
            margin-bottom: 30px;
        }
        
        .contact-detail {
            display: flex;
            align-items: flex-start;
            margin-bottom: 15px;
        }
        
        .contact-detail i {
            margin-right: 15px;
            font-size: 20px;
            color: #bee3f8;
        }
        
        .contact-form {
            background-color: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--dark);
            font-weight: 500;
        }
        
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #e2e8f0;
            border-radius: 4px;
            font-size: 16px;
            transition: border-color 0.3s;
        }
        
        .form-control:focus {
            border-color: var(--accent);
            outline: none;
        }
        
        textarea.form-control {
            min-height: 150px;
            resize: vertical;
        }
        
        /* 新增模块：行业解决方案 */
        .industry-solutions {
            background-color: #f1f5f9;
        }
        
        .industry-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .industry-card {
            background-color: white;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s;
            text-align: center;
        }
        
        .industry-card:hover {
            transform: translateY(-10px);
        }
        
        .industry-icon {
            font-size: 50px;
            color: var(--accent);
            margin-bottom: 20px;
        }
        
        .industry-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--primary);
        }
        
        /* 新增模块：SEO优化服务 */
        .seo-services {
            background-color: white;
        }
        
        .seo-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }
        
        .seo-item {
            background-color: var(--light);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .seo-item h3 {
            font-size: 20px;
            margin-bottom: 15px;
            color: var(--primary);
        }
        
        .seo-item ul {
            list-style-type: none;
        }
        
        .seo-item ul li {
            padding: 8px 0;
            border-bottom: 1px solid #e2e8f0;
            position: relative;
            padding-left: 25px;
        }
        
        .seo-item ul li:before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }
        
        /* 新增模块：底部表单 */
        .bottom-form {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 60px 0;
        }
        
        .bottom-form-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        
        .bottom-form h2 {
            font-size: 32px;
            margin-bottom: 20px;
        }
        
        .bottom-form p {
            font-size: 18px;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        .bottom-form .form-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 20px;
        }
        
        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
        }
        
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: #bee3f8;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: var(--accent);
        }
        
        .footer-links {
            list-style: none;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #4a5568;
            color: #a0aec0;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
		.header-container nav{ display:none}
		.header-container  .cta-button{ display:none}
		.hero{ padding-top:100px; padding-bottom:100px}
            .header-container {
                flex-direction: column;
            }
            
            nav ul {
                margin-top: 15px;
                flex-wrap: wrap;
                justify-content: center;
            }
            
            nav ul li {
                margin: 0 10px 10px;
            }
            
            .hero h1 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
            
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            
            .btn-primary, .btn-secondary {
                width: 100%;
                max-width: 250px;
                margin-bottom: 10px;
            }
            
            .process-steps {
                flex-direction: column;
            }
            
            .process-steps:before {
                display: none;
            }
            
            .step {
                margin-bottom: 30px;
            }
            
            .pricing-card.featured {
                transform: none;
            }
            
            .pricing-card.featured:hover {
                transform: translateY(-10px);
            }
            
            .advantages-container, .minor-advantages-container {
                grid-template-columns: 1fr;
            }
        }
		.hero a{ color:white}
		a{text-decoration: none; color:var(--primary)}
		.logo a{ color:white}
		.contact-detail{ margin-top:30px}
		.contact-detail img{ margin-top:25px; max-width:200px}
		.copyright a{ color:#a0aec0}
		.flink{ margin-bottom:15px; color:#cbd5e0}
		.flink a{ color:#cbd5e0; margin-right:8px; line-height:24px}