/* CSS Reset & Variables */
        :root {
            --bg-main: #0a0b10;
            --bg-card: #121420;
            --bg-input: #1a1d30;
            --text-primary: #ffffff;
            --text-secondary: #a0aec0;
            --text-muted: #64748b;
            --glow-green: #39ff14;
            --glow-purple: #bd00ff;
            --glow-blue: #00f0ff;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        /* Utility Classes */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 20px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--glow-blue), var(--glow-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            max-width: 700px;
            margin: 0 auto 50px;
            font-size: 1.1rem;
        }

        .glow-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: 2px solid transparent;
        }

        .glow-btn-primary {
            background: linear-gradient(90deg, var(--glow-purple), var(--glow-blue));
            color: #fff;
            box-shadow: 0 0 15px rgba(189, 0, 255, 0.4);
        }

        .glow-btn-primary:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.8);
            transform: translateY(-2px);
        }

        .glow-btn-secondary {
            background: transparent;
            color: var(--glow-green);
            border-color: var(--glow-green);
            box-shadow: 0 0 10px rgba(57, 255, 20, 0.1);
        }

        .glow-btn-secondary:hover {
            background: var(--glow-green);
            color: #000;
            box-shadow: 0 0 20px var(--glow-green);
            transform: translateY(-2px);
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 11, 16, 0.85);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        .nav-menu a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.95rem;
            transition: var(--transition);
            font-weight: 500;
        }

        .nav-menu a:hover {
            color: var(--glow-blue);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

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

        /* Hero Section (No Images allowed) */
        .hero-section {
            padding-top: 160px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 10% 20%, rgba(189, 0, 255, 0.1) 0%, transparent 40%),
                        radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 45%);
            text-align: center;
            position: relative;
        }

        .hero-title-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(57, 255, 20, 0.1);
            border: 1px solid var(--glow-green);
            color: var(--glow-green);
            border-radius: 30px;
            font-size: 0.9rem;
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 2px;
            box-shadow: 0 0 10px rgba(57, 255, 20, 0.2);
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 25px;
            background: linear-gradient(135deg, #fff 30%, var(--glow-blue) 70%, var(--glow-purple) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-secondary);
            max-width: 750px;
            margin: 0 auto 40px;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 80px;
        }

        .stat-card {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--glow-purple), var(--glow-blue));
            opacity: 0;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 240, 255, 0.2);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
        }

        .stat-card:hover::after {
            opacity: 1;
        }

        .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 10px;
            background: linear-gradient(135deg, var(--glow-green), var(--glow-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 500;
        }

        /* About Us Section */
        .about-section {
            background: rgba(18, 20, 32, 0.4);
            border-y: 1px solid rgba(255, 255, 255, 0.05);
        }

        .about-content-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--text-primary);
        }

        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 30px;
        }

        .tag-item {
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            font-size: 0.85rem;
            border-radius: 20px;
            transition: var(--transition);
        }

        .tag-item:hover {
            border-color: var(--glow-blue);
            color: var(--glow-blue);
            background: rgba(0, 240, 255, 0.05);
        }

        .about-visual {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .visual-card {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            text-align: center;
        }

        .visual-card h4 {
            font-size: 1.25rem;
            color: var(--glow-purple);
            margin-bottom: 10px;
        }

        .visual-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* AIGC Services Grid */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border-radius: 20px;
            padding: 40px 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0, 240, 255, 0.1);
            border-color: rgba(0, 240, 255, 0.3);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 25px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--text-primary);
        }

        .service-card p {
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .service-features {
            list-style: none;
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .service-features li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-features li::before {
            content: "✓";
            color: var(--glow-green);
            font-weight: bold;
        }

        /* 1-Stop & Scenarios */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }

        .scenario-card {
            background: linear-gradient(145deg, rgba(26, 29, 48, 0.8), rgba(18, 20, 32, 0.8));
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

        .scenario-card:hover {
            border-color: var(--glow-purple);
            box-shadow: 0 10px 25px rgba(189, 0, 255, 0.15);
        }

        .scenario-card h4 {
            font-size: 1.3rem;
            color: var(--glow-blue);
            margin-bottom: 12px;
        }

        /* Solutions */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background: var(--bg-card);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .solution-body {
            padding: 30px;
        }

        .solution-body h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        /* Network Map & Timeline */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 50px auto 0;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            width: 2px;
            background: rgba(255, 255, 255, 0.1);
            top: 0;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
        }

        .timeline-item {
            padding: 20px 40px;
            position: relative;
            width: 50%;
            box-sizing: border-box;
        }

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

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

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: var(--glow-green);
            border-radius: 50%;
            top: 25px;
            z-index: 1;
            box-shadow: 0 0 10px var(--glow-green);
        }

        .timeline-item:nth-child(even)::after {
            left: -8px;
        }

        .timeline-content {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        /* Standardized Process */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
        }

        .step-item {
            background: var(--bg-card);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            position: relative;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .step-num {
            width: 50px;
            height: 50px;
            line-height: 50px;
            background: linear-gradient(135deg, var(--glow-purple), var(--glow-blue));
            color: #fff;
            border-radius: 50%;
            display: inline-block;
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
        }

        /* Case Center */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: scale(1.02);
            border-color: var(--glow-green);
        }

        .case-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

        .case-card:hover .case-img-wrap img {
            transform: scale(1.1);
        }

        .case-info {
            padding: 25px;
        }

        /* Comparison Board */
        .eval-section {
            background: rgba(18, 20, 32, 0.6);
        }

        .eval-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .score-box {
            background: linear-gradient(145deg, var(--bg-card), #16182c);
            padding: 40px;
            border-radius: 24px;
            border: 2px solid var(--glow-purple);
            text-align: center;
            box-shadow: 0 0 30px rgba(189, 0, 255, 0.15);
        }

        .score-value {
            font-size: 5rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--glow-blue), var(--glow-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1;
        }

        .score-stars {
            color: #ffd700;
            font-size: 1.8rem;
            margin: 15px 0;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.95rem;
        }

        th {
            background-color: rgba(255, 255, 255, 0.02);
            color: var(--text-primary);
            font-weight: 600;
        }

        td strong {
            color: var(--glow-green);
        }

        /* Token Pricing & Match */
        .token-matrix {
            margin-top: 40px;
        }

        /* Training Sections */
        .training-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
            gap: 20px;
        }

        .train-card {
            background: var(--bg-card);
            padding: 30px 20px;
            border-radius: 16px;
            border-left: 4px solid var(--glow-blue);
            transition: var(--transition);
        }

        .train-card:hover {
            transform: translateX(5px);
            border-left-color: var(--glow-green);
        }

        /* Accordion / FAQ */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: 12px;
            margin-bottom: 15px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-btn {
            width: 100%;
            background: none;
            border: none;
            color: var(--text-primary);
            padding: 20px 25px;
            text-align: left;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        .faq-item.active .faq-btn::after {
            content: '-';
            transform: rotate(180deg);
        }

        .faq-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.15);
        }

        .faq-panel p {
            padding: 0 25px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        /* Testimonials / Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: var(--bg-card);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-content {
            font-style: italic;
            color: var(--text-secondary);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--glow-blue), var(--glow-purple));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .user-info h4 {
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .user-info span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* News & Knowledge base */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .news-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 25px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .news-card h4 {
            font-size: 1.1rem;
            margin-bottom: 15px;
        }

        .news-card a {
            color: var(--glow-blue);
            text-decoration: none;
            display: inline-block;
            margin-top: 15px;
            font-weight: 500;
        }

        /* Contact & Form Section */
        .contact-wrap {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .form-wrap {
            background: var(--bg-card);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            background: var(--bg-input);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            color: #fff;
            font-family: inherit;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--glow-blue);
            outline: none;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

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

        .qr-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .qr-card {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 16px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .qr-card img {
            width: 120px;
            height: 120px;
            margin: 0 auto 10px;
            display: block;
            background: #fff;
            border-radius: 8px;
            padding: 5px;
        }

        /* Footer */
        footer {
            background: #06070b;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            height: 35px;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: var(--text-primary);
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

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

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

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .friend-links-box {
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
        }

        .friend-links-box a {
            color: var(--text-muted);
            text-decoration: none;
            margin-right: 15px;
            transition: var(--transition);
        }

        .friend-links-box a:hover {
            color: var(--glow-blue);
        }

        /* Floating customer service */
        .floating-cs {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--glow-purple), var(--glow-blue));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
            transition: var(--transition);
            font-weight: bold;
            font-size: 0.8rem;
            cursor: pointer;
            border: none;
            text-align: center;
        }

        .float-btn:hover {
            transform: scale(1.1);
            box-shadow: 0 0 20px var(--glow-blue);
        }

        .qr-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            display: none;
            text-align: center;
            width: 160px;
        }

        .qr-popover img {
            width: 130px;
            height: 130px;
            display: block;
            margin: 0 auto 8px;
        }

        .float-btn-qr:hover .qr-popover {
            display: block;
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .about-content-wrap, .eval-grid, .contact-wrap {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--bg-main);
                padding: 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-item::after {
                left: 12px !important;
            }
            .hero-title {
                font-size: 2.2rem;
            }
        }