:root {
            --primary-grad: linear-gradient(135deg, #6366f1 0%, #a855f7 50%, #ec4899 100%);
            --secondary-grad: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
            --accent-grad: linear-gradient(135deg, #f59e0b 0%, #e11d48 100%);
            --bg-light: #f8fafc;
            --bg-card: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

        /* Utilities */
        .text-center { text-align: center; }
        .badge {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 9999px;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .badge-rainbow {
            background: var(--primary-grad);
            color: #ffffff;
        }
        .badge-blue {
            background: var(--secondary-grad);
            color: #ffffff;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }
        .section-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 50px auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s ease;
            text-decoration: none;
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--primary-grad);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(168, 85, 247, 0.6);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid #6366f1;
            color: #6366f1;
        }
        .btn-outline:hover {
            background: #6366f1;
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: 70px;
            display: flex;
            align-items: center;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
        }
        .nav-links a:hover {
            color: #6366f1;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* Hero Section (No Image) */
        .hero {
            padding: 160px 0 100px 0;
            background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 90.5%);
            text-align: center;
            position: relative;
        }
        .hero-badge {
            background: linear-gradient(90deg, #ec4899, #8b5cf6);
            color: white;
            padding: 6px 16px;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 20px;
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 25px;
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            background: var(--secondary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Generic Section padding */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
        }

        /* About Us & Software intro */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }
        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        .feature-bullets {
            list-style: none;
        }
        .feature-bullets li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-weight: 500;
        }
        .feature-bullets li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #ec4899;
            font-weight: bold;
            font-size: 1.2rem;
        }
        .about-card {
            background: var(--primary-grad);
            color: #ffffff;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(168, 85, 247, 0.2);
        }
        .about-card h4 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }
        .about-card p {
            font-size: 0.95rem;
            opacity: 0.9;
            margin-bottom: 20px;
        }

        /* Service Cards */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--primary-grad);
            opacity: 0;
            transition: opacity 0.3s;
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(99, 102, 241, 0.1);
            color: #6366f1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            font-weight: bold;
        }
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Workflow & Standard Process */
        .workflow-timeline {
            position: relative;
            max-width: 800px;
            margin: 40px auto 0 auto;
        }
        .workflow-timeline::before {
            content: '';
            position: absolute;
            left: 31px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
        }
        .timeline-item {
            position: relative;
            padding-left: 80px;
            margin-bottom: 40px;
        }
        .timeline-badge {
            position: absolute;
            left: 12px;
            top: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--secondary-grad);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            z-index: 2;
        }
        .timeline-content {
            background: var(--bg-card);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
        .timeline-content h4 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .timeline-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Solutions & Cases (Images allowed here) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .case-card {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: transform 0.3s;
        }
        .case-card:hover {
            transform: translateY(-5px);
        }
        .case-img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #e2e8f0;
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .case-card:hover img {
            transform: scale(1.05);
        }
        .case-body {
            padding: 24px;
        }
        .case-tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: #ec4899;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: inline-block;
        }
        .case-body h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .case-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Evaluation Section */
        .eval-box {
            background: linear-gradient(to right, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
            border-radius: 20px;
            padding: 50px;
            border: 1px solid var(--border-color);
        }
        .eval-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 40px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 30px;
        }
        .eval-rating {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .rating-num {
            font-size: 4rem;
            font-weight: 900;
            color: #6366f1;
            line-height: 1;
        }
        .rating-stars {
            color: #f59e0b;
            font-size: 1.5rem;
            letter-spacing: 2px;
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }
        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: #ffffff;
            border-radius: 8px;
            overflow: hidden;
        }
        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .eval-table th {
            background: #f1f5f9;
            font-weight: 700;
        }
        .eval-table tr:last-child td {
            border-bottom: none;
        }
        .check-icon {
            color: #10b981;
            font-weight: bold;
        }

        /* Token Price Table */
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }
        .training-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            text-align: center;
            transition: all 0.3s;
        }
        .training-card:hover {
            border-color: #a855f7;
            transform: translateY(-3px);
        }
        .training-card h4 {
            margin-bottom: 10px;
            font-size: 1.1rem;
            color: var(--text-main);
        }
        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Network Map Section */
        .network-section {
            background: #0f172a;
            color: #ffffff;
        }
        .network-section .section-desc {
            color: var(--text-light);
        }
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .network-card {
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .network-card h4 {
            color: #38bdf8;
            margin-bottom: 8px;
        }

        /* Glossary & Self troubleshooting */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .glossary-item {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }
        .glossary-item strong {
            display: block;
            margin-bottom: 6px;
            color: #6366f1;
        }

        /* FAQ Accordion */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-header {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.3s;
        }
        .faq-header:hover {
            background: #f8fafc;
        }
        .faq-icon {
            transition: transform 0.3s;
        }
        .faq-body {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 0px solid transparent;
        }
        .faq-item.active .faq-body {
            padding: 20px;
            max-height: 500px;
            border-top: 1px solid var(--border-color);
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* User Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .review-card {
            background: var(--bg-card);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
        }
        .review-text {
            font-style: italic;
            color: var(--text-muted);
            margin-bottom: 20px;
            position: relative;
        }
        .review-text::before {
            content: "“";
            font-size: 3rem;
            color: rgba(99, 102, 241, 0.1);
            position: absolute;
            left: -15px;
            top: -25px;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }
        .review-info h5 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .review-info span {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* Form Section */
        .form-section {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.02) 0%, rgba(236, 72, 153, 0.02) 100%);
        }
        .form-wrapper {
            max-width: 700px;
            margin: 0 auto;
            background: var(--bg-card);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 25px rgba(0,0,0,0.02);
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group-full {
            grid-column: span 2;
        }
        .form-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
        }
        .form-control {
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .form-control:focus {
            border-color: #6366f1;
        }
        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* Articles list */
        .articles-list {
            list-style: none;
            max-width: 800px;
            margin: 0 auto;
        }
        .articles-list li {
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .articles-list a {
            color: var(--text-main);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        .articles-list a:hover {
            color: #6366f1;
        }

        /* Footer & Links */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h4 {
            color: #ffffff;
            margin-bottom: 15px;
            font-size: 1.2rem;
        }
        .footer-brand p {
            margin-bottom: 15px;
            line-height: 1.5;
        }
        .footer-links h4 {
            color: #ffffff;
            margin-bottom: 15px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .footer-contact h4 {
            color: #ffffff;
            margin-bottom: 15px;
        }
        .contact-methods {
            margin-bottom: 15px;
        }
        .contact-methods p {
            margin-bottom: 8px;
        }
        .qrcode-box {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .qrcode-box img {
            width: 80px;
            height: 80px;
            border-radius: 4px;
            background: #ffffff;
            padding: 4px;
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }
        .friend-links {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        .friend-links a {
            color: #64748b;
            text-decoration: none;
            font-size: 0.85rem;
        }
        .friend-links a:hover {
            color: #94a3b8;
        }

        /* Floating Contact Widget */
        .floating-widget {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .widget-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-grad);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            cursor: pointer;
            text-decoration: none;
            font-size: 1.2rem;
            position: relative;
        }
        .widget-qrcode {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: none;
            border: 1px solid var(--border-color);
        }
        .widget-qrcode img {
            width: 120px;
            height: 120px;
            display: block;
        }
        .widget-btn:hover .widget-qrcode {
            display: block;
        }

        /* Media Queries */
        @media (max-width: 992px) {
            .about-grid, .token-grid, .glossary-grid {
                grid-template-columns: 1fr;
            }
            .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .network-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #ffffff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid, .reviews-grid, .network-grid {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }