/* CSS Reset & Variables */
        :root {
            --primary: #0284c7;
            --primary-hover: #0369a1;
            --secondary: #7c3aed;
            --accent: #0d9488;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-600: #475569;
            --gray-800: #1e293b;
            --container-w: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light);
            color: var(--gray-800);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Common Layout Components */
        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--gray-200);
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-title p {
            color: var(--gray-600);
            font-size: 1.1rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: 0 4px 15px rgba(2, 132, 199, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(2, 132, 199, 0.3);
        }

        .btn-outline {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: white;
        }

        /* Badge Grid / Tags */
        .badge-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .badge {
            background-color: white;
            border: 1px solid var(--gray-200);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--gray-800);
            box-shadow: 0 2px 5px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .badge:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 25px;
            list-style: none;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray-800);
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-btns {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero Section (No Images) */
        .hero {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(2, 132, 199, 0.08) 0%, transparent 50%),
                        white;
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            background: linear-gradient(90deg, rgba(2, 132, 199, 0.1), rgba(124, 58, 237, 0.1));
            color: var(--secondary);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 25px;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--gray-600);
            max-width: 800px;
            margin: 0 auto 35px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        /* Data Section */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .data-card {
            background-color: white;
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
        }

        .data-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.1);
        }

        .data-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }

        .data-card:nth-child(2) .data-num { color: var(--secondary); }
        .data-card:nth-child(3) .data-num { color: var(--accent); }

        .data-label {
            font-size: 0.95rem;
            color: var(--gray-600);
            font-weight: 500;
        }

        /* About Section */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-text p {
            color: var(--gray-600);
            margin-bottom: 20px;
        }

        .about-points {
            list-style: none;
        }

        .about-points li {
            margin-bottom: 12px;
            position: relative;
            padding-left: 25px;
            font-weight: 500;
        }

        .about-points li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        .about-feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-card {
            background-color: white;
            padding: 25px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .about-feat-card h4 {
            margin-bottom: 10px;
            color: var(--dark);
        }

        /* Services & Production */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
        }

        .service-card {
            background-color: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid var(--gray-100);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-card p {
            color: var(--gray-600);
            font-size: 0.9rem;
        }

        /* Solutions */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: white;
            border-radius: 16px;
            padding: 40px 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            text-align: center;
            border-top: 4px solid var(--primary);
        }

        .solution-card:nth-child(2) { border-top-color: var(--secondary); }
        .solution-card:nth-child(3) { border-top-color: var(--accent); }

        .solution-card h3 {
            margin-bottom: 15px;
            color: var(--dark);
        }

        .solution-card p {
            color: var(--gray-600);
            font-size: 0.95rem;
            margin-bottom: 25px;
        }

        /* Service Network & Standards */
        .network-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .network-item {
            background-color: white;
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--gray-200);
        }

        .network-item h4 {
            color: var(--primary);
            margin-bottom: 8px;
        }

        .network-map-placeholder {
            background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
            height: 300px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gray-600);
            font-weight: 500;
            border: 2px dashed var(--gray-600);
        }

        /* Process & Technical Standards */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background-color: var(--gray-200);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 50px;
            width: 50%;
            padding: 0 30px;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-badge {
            position: absolute;
            top: 0;
            width: 30px;
            height: 30px;
            background-color: var(--primary);
            border: 4px solid white;
            border-radius: 50%;
            z-index: 10;
        }

        .timeline-item:nth-child(odd) .timeline-badge {
            right: -15px;
        }

        .timeline-item:nth-child(even) .timeline-badge {
            left: -15px;
        }

        .timeline-content {
            background-color: white;
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
        }

        /* Cases Grid (With specified Images) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: white;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        .case-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: var(--gray-100);
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-info {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            background-color: rgba(2, 132, 199, 0.1);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .case-info h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .case-info p {
            color: var(--gray-600);
            font-size: 0.9rem;
        }

        /* Comparison Table (Required) */
        .comparison-layout {
            background-color: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 4px 30px rgba(0,0,0,0.03);
        }

        .score-box {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 30px;
            border-bottom: 1px solid var(--gray-200);
        }

        .score-num {
            font-size: 4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .score-stars {
            color: #fbbf24;
            font-size: 1.5rem;
            margin: 10px 0;
        }

        .table-responsive {
            overflow-x: auto;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--gray-200);
        }

        th {
            background-color: var(--light);
            color: var(--dark);
            font-weight: 600;
        }

        tr:hover td {
            background-color: var(--light);
        }

        .highlight-col {
            background-color: rgba(2, 132, 199, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        /* Match Form */
        .match-card {
            background-color: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 4px 30px rgba(0,0,0,0.03);
            max-width: 800px;
            margin: 0 auto;
        }

        .match-tabs {
            display: flex;
            gap: 15px;
            justify-content: center;
            margin-bottom: 30px;
        }

        .match-tab {
            padding: 10px 20px;
            border-radius: 8px;
            border: 1px solid var(--gray-200);
            background: none;
            cursor: pointer;
            font-weight: 600;
        }

        .match-tab.active {
            background-color: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .match-result-box {
            background-color: var(--light);
            border-left: 4px solid var(--primary);
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin-top: 25px;
        }

        /* Pricing Table */
        .price-table {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .price-card {
            background-color: white;
            border-radius: 16px;
            padding: 40px 30px;
            border: 1px solid var(--gray-200);
            text-align: center;
            transition: var(--transition);
        }

        .price-card.featured {
            border-color: var(--primary);
            box-shadow: 0 10px 30px rgba(2, 132, 199, 0.1);
            transform: scale(1.03);
        }

        .price-card.featured:hover {
            transform: scale(1.05);
        }

        .price-val {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--dark);
            margin: 20px 0;
        }

        .price-val span {
            font-size: 1rem;
            color: var(--gray-600);
            font-weight: normal;
        }

        .price-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .price-features li {
            margin-bottom: 12px;
            color: var(--gray-600);
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .training-card {
            background-color: white;
            border-radius: 16px;
            padding: 30px;
            border-top: 4px solid var(--secondary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .training-card h4 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .training-card p {
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        /* FAQ (Accordion) */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: white;
            border-radius: 10px;
            margin-bottom: 15px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
            border: 1px solid var(--gray-200);
        }

        .faq-q {
            padding: 20px 25px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            background-color: white;
        }

        .faq-q::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-q::after {
            transform: rotate(45deg);
        }

        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--light);
        }

        .faq-a-inner {
            padding: 20px 25px;
            color: var(--gray-600);
            border-top: 1px solid var(--gray-200);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testimonial-card {
            background-color: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            border: 1px solid var(--gray-100);
        }

        .testimonial-meta {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .testimonial-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--gray-200);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
            color: var(--primary);
        }

        .testimonial-user h4 {
            font-size: 1rem;
            color: var(--dark);
        }

        .testimonial-user span {
            font-size: 0.8rem;
            color: var(--gray-600);
        }

        .testimonial-card p {
            font-size: 0.95rem;
            color: var(--gray-600);
            font-style: italic;
        }

        /* Articles / News */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background-color: white;
            border-radius: 10px;
            padding: 20px;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
        }

        .article-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .article-card h4 {
            font-size: 0.95rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .article-card a {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 500;
        }

        /* Contact Section (with specified QR & Form) */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .contact-form-wrap {
            background-color: white;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 4px 30px rgba(0,0,0,0.03);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--gray-200);
            background-color: var(--light);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: white;
        }

        .contact-info-wrap {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-detail-item {
            margin-bottom: 15px;
            font-size: 1.1rem;
        }

        .contact-detail-item span {
            font-weight: 600;
            color: var(--dark);
        }

        .qr-box {
            background-color: white;
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            border: 1px solid var(--gray-200);
            display: inline-block;
            max-width: 250px;
        }

        .qr-box img {
            width: 150px;
            height: 150px;
            margin: 0 auto 15px;
        }

        .qr-box p {
            font-weight: 600;
            color: var(--dark);
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: var(--gray-200);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            margin-bottom: 20px;
            
        }

        .footer-col h3 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 15px;
            font-size: 0.85rem;
        }

        .friend-links a {
            color: var(--gray-600);
        }

        .friend-links a:hover {
            color: white;
        }

        /* Sticky/Float Elements */
        .float-kefu {
            position: fixed;
            right: 20px;
            bottom: 100px;
            z-index: 999;
            background-color: white;
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            cursor: pointer;
            transition: var(--transition);
        }

        .float-kefu:hover {
            transform: scale(1.1);
        }

        .float-kefu svg {
            width: 30px;
            height: 30px;
            fill: var(--primary);
        }

        .back-to-top {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            background-color: var(--primary);
            color: white;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .service-grid, .solutions-grid, .cases-grid, .testimonial-grid, .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-layout, .network-layout, .contact-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: white;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                border-top: 1px solid var(--gray-200);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-badge {
                left: 5px !important;
            }
            .service-grid, .solutions-grid, .cases-grid, .testimonial-grid, .price-table, .training-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
        }