:root {
            --primary: #10b981;
            --primary-hover: #059669;
            --primary-light: #e6fbf4;
            --accent: #34d399;
            --dark: #0f172a;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --bg-main: #f8fafc;
            --bg-tint: #f0fdf4;
            --white: #ffffff;
            --border: #e2e8f0;
            --shadow: 0 10px 30px -10px rgba(16, 185, 129, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        /* Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 8px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
        }

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

        .btn-secondary {
            background-color: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .btn-secondary:hover {
            background-color: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* Typography */
        section {
            padding: 90px 0;
            position: relative;
        }

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

        .section-header .tag {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 32px;
            color: var(--dark);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto;
        }

        /* Navigation */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
        }

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

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

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: 0.5px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero Section (No Images allowed) */
        .hero {
            background: linear-gradient(135deg, var(--bg-tint) 0%, #ffffff 100%);
            padding: 120px 0 100px 0;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(52, 211, 153, 0.1) 0%, transparent 70%);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .hero p {
            font-size: 20px;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
        }

        /* Metrics / Tags Grid */
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero-tag-item {
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 14px;
            color: var(--text-main);
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

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

        /* Service Cards */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: var(--white);
            border-radius: 16px;
            padding: 40px 30px;
            border: 1px solid var(--border);
            transition: var(--transition);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--primary);
            transform: scaleY(0);
            transition: var(--transition);
            transform-origin: bottom;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px -15px rgba(16, 185, 129, 0.15);
        }

        .service-card:hover::before {
            transform: scaleY(1);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background-color: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 14px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 15px;
        }

        /* Flow steps */
        .process-timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .process-step {
            display: flex;
            gap: 24px;
            margin-bottom: 40px;
            position: relative;
        }

        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 20px;
            top: 40px;
            bottom: -30px;
            width: 2px;
            background-color: var(--border);
        }

        .step-num {
            width: 42px;
            height: 42px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            z-index: 2;
            flex-shrink: 0;
        }

        .step-content {
            background-color: var(--white);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border);
            flex-grow: 1;
        }

        .step-content h4 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        /* Network & Map */
        .network-section {
            background-color: var(--bg-tint);
        }

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

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

        .network-item {
            background: var(--white);
            padding: 20px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow);
        }

        .network-item h5 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .network-item p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Comparison Table */
        .table-responsive {
            overflow-x: auto;
            background-color: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

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

        th, td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border);
        }

        th {
            background-color: var(--primary-light);
            color: var(--dark);
            font-weight: 700;
        }

        tr:last-child td {
            border-bottom: none;
        }

        .rating-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: #f1c40f;
            font-weight: 700;
        }

        /* Token Table */
        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .badge-green {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
        }

        /* Grid for Showcase & Banner Images */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .showcase-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .showcase-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }

        .showcase-img-box {
            position: relative;
            background: #f1f5f9;
            overflow: hidden;
        }

        .showcase-img-box img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            transition: var(--transition);
        }

        .showcase-card:hover .showcase-img-box img {
            transform: scale(1.05);
        }

        .showcase-info {
            padding: 20px;
        }

        .showcase-info h4 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .showcase-info p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* Double Banner Area */
        .banner-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-top: 50px;
        }

        .banner-split-item {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .banner-split-img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }

        .banner-split-content {
            padding: 24px;
        }

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

        .training-card {
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 24px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .training-card h4 {
            color: var(--dark);
            margin-bottom: 12px;
            font-size: 16px;
        }

        .training-card p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* FAQ Accordion */
        .faq-grid {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--dark);
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background-color: var(--bg-tint);
        }

        .faq-answer-inner {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 15px;
            border-top: 1px solid var(--border);
        }

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

        .testimonial-card {
            background-color: var(--white);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .testimonial-text {
            color: var(--text-muted);
            font-size: 15px;
            font-style: italic;
            margin-bottom: 20px;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .user-info h5 {
            font-size: 16px;
            color: var(--dark);
        }

        .user-info span {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Forms */
        .contact-section {
            background-color: var(--bg-tint);
        }

        .form-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            background: var(--white);
            border-radius: 24px;
            padding: 50px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .contact-info-panel h3 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .contact-info-list {
            margin-bottom: 40px;
        }

        .contact-info-item {
            display: flex;
            gap: 16px;
            margin-bottom: 20px;
            align-items: flex-start;
        }

        .contact-info-icon {
            font-size: 20px;
            color: var(--primary);
        }

        .qrcode-box {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--bg-main);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .qrcode-box img {
            width: 90px;
            height: 90px;
            border-radius: 8px;
        }

        .form-panel form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .form-group-full {
            grid-column: span 2;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--dark);
        }

        input, select, textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 15px;
            color: var(--text-main);
            background-color: var(--bg-main);
            transition: var(--transition);
        }

        input:focus, select:focus, textarea:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
        }

        /* Articles & Wiki */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .article-card {
            background-color: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-height: 200px;
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: var(--primary);
        }

        .article-card h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .article-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Glossary Term Tag cloud */
        .glossary-terms {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .glossary-term {
            background: var(--white);
            padding: 10px 20px;
            border-radius: 30px;
            border: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-main);
            font-weight: 500;
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 80px 0 30px 0;
            border-top: 3px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-logo-desc h4 {
            color: var(--white);
            font-size: 22px;
            margin-bottom: 16px;
        }

        .footer-links h5 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 20px;
        }

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

        .footer-links ul li {
            margin-bottom: 12px;
        }

        .footer-links ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-qr {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .footer-qr-img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            background: white;
            padding: 4px;
        }

        .friend-links {
            border-top: 1px solid #334155;
            padding: 30px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 14px;
        }

        .friend-links a {
            color: #64748b;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            text-align: center;
            font-size: 14px;
            color: #64748b;
        }

        /* Float Widget */
        .float-widget {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .float-item:hover {
            background-color: var(--primary);
            color: var(--white);
        }

        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            padding: 16px;
            display: none;
            text-align: center;
            width: 140px;
            border: 1px solid var(--border);
        }

        .float-item:hover .float-popover {
            display: block;
        }

        .float-popover img {
            width: 100px;
            height: 100px;
            margin-bottom: 8px;
        }

        .float-popover p {
            font-size: 12px;
            color: var(--dark);
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .form-layout {
                grid-template-columns: 1fr;
                padding: 30px;
            }
            .network-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 76px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
            }

            .nav-links.active {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

            .hero h1 {
                font-size: 32px;
            }

            .banner-split {
                grid-template-columns: 1fr;
            }

            .form-panel form {
                grid-template-columns: 1fr;
            }

            .form-group-full {
                grid-column: span 1;
            }
        }