:root {
            --bg-primary: #fafbfe;
            --bg-secondary: #ffffff;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #64748b;
            --color-neon-blue: #00f2fe;
            --color-neon-purple: #9b5de5;
            --color-neon-green: #00f5d4;
            --grad-primary: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
            --grad-neon: linear-gradient(135deg, #7f00ff 0%, #e100ff 100%);
            --grad-fluorescent: linear-gradient(135deg, #00f5d4 0%, #00bbf9 100%);
            --border-color: #e2e8f0;
            --container-max: 1200px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Base Container */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Utilities */
        .text-glow {
            text-shadow: 0 0 15px rgba(0, 242, 254, 0.4);
        }
        .bg-glow-card {
            border: 1px solid rgba(155, 93, 229, 0.15);
            box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.04), inset 0 0 12px rgba(0, 242, 254, 0.05);
            background: var(--bg-secondary);
        }
        .btn-gradient {
            background: var(--grad-neon);
            color: #fff;
            border: none;
            padding: 12px 28px;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(155, 93, 229, 0.4);
        }
        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(155, 93, 229, 0.6);
        }
        .btn-outline {
            border: 2px solid var(--text-primary);
            color: var(--text-primary);
            background: transparent;
            padding: 10px 26px;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-outline:hover {
            background: var(--text-primary);
            color: #fff;
        }

        /* Badge Styles */
        .badge {
            background: linear-gradient(90deg, rgba(0,242,254,0.1) 0%, rgba(155,93,229,0.1) 100%);
            border: 1px solid rgba(155,93,229,0.3);
            color: var(--text-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 15px;
        }

        section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
            color: var(--text-primary);
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--grad-primary);
            border-radius: 2px;
        }
        .section-header p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Header & Navigation */
        header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: all 0.3s;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
        }
        .ai-page-logo {
            max-height: 45px;
            width: auto;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            transition: color 0.3s;
            font-size: 0.95rem;
        }
        .nav-links a:hover {
            color: var(--text-primary);
        }
        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .mobile-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-primary);
            transition: 0.3s;
        }

        /* Hero Section (No Images) */
        .hero {
            background: radial-gradient(circle at 90% 10%, rgba(0, 242, 254, 0.15) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(155, 93, 229, 0.15) 0%, transparent 40%);
            padding: 120px 0 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 25px;
            font-weight: 800;
            color: var(--text-primary);
        }
        .hero h1 span {
            background: var(--grad-neon);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: 40px;
        }
        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        
        /* Floating Tech Accents (CSS Only) */
        .hero-glow-node {
            position: absolute;
            border-radius: 50%;
            filter: blur(80px);
            z-index: 1;
            opacity: 0.5;
            animation: pulse-glow 8s infinite alternate;
        }
        .node-1 {
            width: 300px;
            height: 300px;
            background: var(--color-neon-blue);
            top: -50px;
            right: -50px;
        }
        .node-2 {
            width: 250px;
            height: 250px;
            background: var(--color-neon-purple);
            bottom: -50px;
            left: -50px;
        }
        @keyframes pulse-glow {
            0% { transform: scale(1); opacity: 0.4; }
            100% { transform: scale(1.2); opacity: 0.6; }
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .stat-card {
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            background: var(--grad-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* About Section & Intro */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        .about-content p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .about-features {
            list-style: none;
        }
        .about-features li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }
        .about-features li::before {
            content: "✓";
            color: var(--color-neon-purple);
            font-weight: bold;
            font-size: 1.2rem;
        }
        .about-card-extra {
            padding: 40px;
            border-radius: 24px;
            position: relative;
            background: linear-gradient(135deg, rgba(0, 242, 254, 0.05) 0%, rgba(155, 93, 229, 0.05) 100%);
            border: 2px dashed rgba(155, 93, 229, 0.2);
        }

        /* AIGC Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }
        .service-card {
            padding: 30px;
            border-radius: 20px;
            transition: all 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 242, 254, 0.5);
            box-shadow: 0 12px 30px rgba(0, 242, 254, 0.15);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: var(--grad-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
            font-size: 1.3rem;
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        .service-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* Model Tags Cloud */
        .tag-cloud-container {
            margin-top: 50px;
            padding: 30px;
            border-radius: 20px;
            text-align: center;
        }
        .tag-cloud-title {
            font-size: 1.2rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-item {
            padding: 6px 14px;
            border-radius: 30px;
            background: #fff;
            border: 1px solid var(--border-color);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all 0.3s;
        }
        .tag-item:hover {
            background: var(--grad-primary);
            color: #fff;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* Industry Solutions & Service Network */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .solution-card {
            border-radius: 20px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s;
        }
        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
        }
        .solution-info {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .solution-info h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }
        .solution-info p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* Flow & Standard */
        .flow-timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 0;
        }
        .flow-timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--border-color);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            width: 50%;
            padding: 20px 40px;
            box-sizing: border-box;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            right: -10px;
            top: 30px;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--color-neon-purple);
            border: 4px solid var(--bg-primary);
            z-index: 1;
        }
        .timeline-item.left { left: 0; text-align: right; }
        .timeline-item.right { left: 50%; }
        .timeline-item.right::after { left: -10px; }
        .timeline-content {
            padding: 20px;
            border-radius: 16px;
        }
        .timeline-content h3 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }
        .timeline-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
        }

        /* Comparison Section */
        .eval-section {
            background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(0, 242, 254, 0.03) 100%);
        }
        .eval-badge-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 30px;
            margin-bottom: 45px;
            flex-wrap: wrap;
        }
        .eval-badge {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            padding: 15px 30px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.02);
        }
        .eval-score {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-neon-purple);
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            background: var(--bg-secondary);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }
        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table th {
            background-color: #f8fafc;
            color: var(--text-primary);
            font-weight: 700;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .highlight-col {
            background: rgba(0, 242, 254, 0.03);
            font-weight: 600;
        }
        .check-icon {
            color: #10b981;
            font-weight: bold;
        }
        .cross-icon {
            color: #ef4444;
            font-weight: bold;
        }

        /* Training Program */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }
        .training-card {
            padding: 25px 20px;
            text-align: center;
            border-radius: 16px;
            transition: all 0.3s;
        }
        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--color-neon-purple);
        }
        .training-card h3 {
            font-size: 1.05rem;
            margin-bottom: 10px;
            min-height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .training-cert {
            font-size: 0.8rem;
            background: var(--bg-primary);
            padding: 4px 10px;
            border-radius: 8px;
            display: inline-block;
            margin-top: 10px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Cases & Gallery */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .gallery-item {
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            height: 300px;
        }
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .gallery-item:hover img {
            transform: scale(1.05);
        }
        .gallery-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 30px;
            background: linear-gradient(0deg, rgba(0,0,0,0.8) 0%, transparent 100%);
            color: #fff;
        }
        .gallery-info h4 {
            font-size: 1.25rem;
            margin-bottom: 5px;
        }
        .gallery-info p {
            font-size: 0.9rem;
            opacity: 0.8;
        }
        
        .square-case-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 40px;
            align-items: center;
        }
        .square-img-box {
            border-radius: 20px;
            overflow: hidden;
            max-height: 400px;
        }
        .square-img-box img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Article List */
        .articles-list {
            margin-top: 50px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .article-card {
            padding: 25px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .article-card h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .article-card a {
            color: var(--color-neon-purple);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* Feedback / Testimonials */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .review-card {
            padding: 30px;
            border-radius: 20px;
        }
        .review-text {
            font-style: italic;
            margin-bottom: 20px;
            color: var(--text-secondary);
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--grad-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
        }
        .user-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
        }
        .user-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Form Section */
        .form-section {
            background: linear-gradient(135deg, rgba(0, 242, 254, 0.02) 0%, rgba(155, 93, 229, 0.02) 100%);
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }
        .contact-info-panel h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        .contact-info-panel p {
            color: var(--text-secondary);
            margin-bottom: 30px;
        }
        .contact-ways {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .contact-way-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .contact-way-item span.icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(0, 242, 254, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-primary);
            font-weight: bold;
        }
        .lead-form {
            padding: 40px;
            border-radius: 24px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .form-control:focus {
            border-color: var(--color-neon-purple);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        /* FAQ Accordion */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
        }
        .faq-header {
            display: flex;
            justify-content: justify;
            align-items: center;
            cursor: pointer;
            padding: 10px 0;
        }
        .faq-question {
            font-size: 1.1rem;
            font-weight: 600;
            flex-grow: 1;
        }
        .faq-icon {
            font-size: 1.5rem;
            transition: transform 0.3s;
            margin-left: 15px;
        }
        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }
        .faq-content {
            padding: 15px 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .faq-item.active .faq-body {
            max-height: 200px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* Footer & Extra Info */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr) 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-col h4 {
            color: #f8fafc;
            margin-bottom: 20px;
            font-size: 1.05rem;
            font-weight: 700;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .qr-box {
            text-align: center;
        }
        .qr-box img {
            width: 110px;
            height: 110px;
            border-radius: 8px;
            margin-bottom: 10px;
            border: 3px solid rgba(255,255,255,0.05);
        }
        .friend-links-box {
            border-top: 1px solid #1e293b;
            padding: 25px 0;
            text-align: center;
        }
        .friend-links-box span {
            margin-right: 15px;
            font-weight: bold;
            color: #64748b;
        }
        .friend-links-box a {
            color: #94a3b8;
            text-decoration: none;
            margin: 0 10px;
            transition: color 0.3s;
        }
        .friend-links-box a:hover {
            color: var(--color-neon-blue);
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        .footer-bottom p {
            font-size: 0.85rem;
        }
        
        /* Floating Service Widget */
        .float-service {
            position: fixed;
            bottom: 40px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50px;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            cursor: pointer;
            transition: all 0.3s;
            text-decoration: none;
            color: var(--text-primary);
            position: relative;
        }
        .float-btn:hover {
            background: var(--grad-primary);
            color: #fff;
            transform: scale(1.05);
        }
        .float-qr-hover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            padding: 10px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            border: 1px solid var(--border-color);
        }
        .float-qr-hover img {
            width: 120px;
            height: 120px;
            display: block;
        }
        .float-btn:hover .float-qr-hover {
            display: block;
        }

        /* Mobile Responsive adjustments */
        @media (max-width: 1024px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .solutions-grid { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: #fff;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero h1 { font-size: 2.2rem; }
            .about-grid { grid-template-columns: 1fr; }
            .solutions-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: repeat(2, 1fr); }
            .gallery-grid { grid-template-columns: 1fr; }
            .articles-list { grid-template-columns: 1fr; }
            .reviews-grid { grid-template-columns: 1fr; }
            .form-grid { grid-template-columns: 1fr; }
            .flow-timeline::before { left: 20px; }
            .timeline-item { width: 100%; padding-left: 45px; padding-right: 0; text-align: left !important; }
            .timeline-item::after { left: 10px; right: auto; }
            .timeline-item.right { left: 0; }
            .footer-grid { grid-template-columns: 1fr; }
            .square-case-wrap { grid-template-columns: 1fr; }
        }