:root {
            --primary: #7000FF;
            --primary-glow: rgba(112, 0, 255, 0.15);
            --accent-pink: #FF2E93;
            --accent-orange: #FF8A00;
            --accent-cyan: #00F0FF;
            --dark: #0F172A;
            --light-bg: #F8FAFC;
            --card-bg: #FFFFFF;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --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(--light-bg);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* Navigation Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

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

        .brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            padding: 6px 12px;
            border-radius: 6px;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(112, 0, 255, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(112, 0, 255, 0.35);
        }

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

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

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background-color: var(--text-main);
            transition: var(--transition);
        }

        /* Hero Section (No Images Allowed) */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 46, 147, 0.08), transparent 40%),
                        radial-gradient(circle at 10% 80%, rgba(112, 0, 255, 0.08), transparent 40%),
                        var(--light-bg);
            text-align: center;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 100%;
            background-image: linear-gradient(var(--border-color) 1px, transparent 1px),
                              linear-gradient(90deg, var(--border-color) 1px, transparent 1px);
            background-size: 40px 40px;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, rgba(112, 0, 255, 0.1), rgba(255, 46, 147, 0.1));
            border: 1px solid rgba(112, 0, 255, 0.2);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            position: relative;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        .hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--dark) 30%, var(--primary), var(--accent-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            max-width: 800px;
            margin: 0 auto 40px;
            font-size: clamp(1rem, 2vw, 1.25rem);
            color: var(--text-muted);
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 10;
        }

        .hero-actions .btn {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 24px;
            margin-top: 80px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 12px 20px rgba(112, 0, 255, 0.1);
        }

        .stat-number {
            font-size: 2.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-orange));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Section Global Settings */
        section {
            padding: 100px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-tag {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--accent-pink);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
            display: block;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        /* Card styles for general sections */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        /* About Us & Platform Intro */
        .about-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: 30px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .feature-icon {
            background: var(--primary-glow);
            color: var(--primary);
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-weight: bold;
        }

        .feature-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .feature-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Services section */
        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 32px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--accent-pink);
            box-shadow: 0 20px 40px rgba(255, 46, 147, 0.1);
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin: 16px 0 12px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-pill {
            background: var(--light-bg);
            color: var(--text-main);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            border: 1px solid var(--border-color);
        }

        /* Grid of Supported Models */
        .models-marquee {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            margin-top: 40px;
        }

        .models-title {
            text-align: center;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-main);
        }

        .models-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .model-badge {
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
        }

        .model-badge:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* Process Steps */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            position: relative;
        }

        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            transition: var(--transition);
        }

        .step-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 15px 30px rgba(0, 240, 255, 0.15);
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 30px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--primary));
            color: #ffffff;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            box-shadow: 0 4px 10px rgba(0, 240, 255, 0.3);
        }

        /* Comparison Table */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

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

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

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

        .highlight-col {
            background: rgba(112, 0, 255, 0.02);
            font-weight: 600;
        }

        .badge-score {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: linear-gradient(135deg, var(--accent-orange), var(--accent-pink));
            color: #ffffff;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        /* Cases Grid (Strict Image Rules) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.08);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
            background: #e2e8f0;
        }

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

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 24px;
        }

        .case-info h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Token Price Reference Grid */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .token-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .token-card:hover {
            border-color: var(--accent-orange);
            box-shadow: 0 8px 20px rgba(255, 138, 0, 0.1);
        }

        .token-details h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .token-details p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .token-cost {
            text-align: right;
        }

        .token-price {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-orange);
        }

        .token-unit {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

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

        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        .user-avatar-placeholder {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .user-meta h5 {
            font-size: 0.95rem;
            font-weight: 700;
        }

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

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

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

        .faq-header {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-header h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
        }

        .faq-icon {
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-content {
            padding: 20px 24px;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active .faq-body {
            max-height: 200px;
        }

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

        /* Articles list section */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .article-card-link {
            text-decoration: none;
            color: inherit;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
        }

        .article-card-link:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .article-card-link h4 {
            font-size: 0.95rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .article-card-link span {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
        }

        /* Form & Contact Box */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .info-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
        }

        .info-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }

        .info-row:last-child {
            margin-bottom: 0;
        }

        .info-icon {
            background: var(--primary-glow);
            color: var(--primary);
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .info-text h4 {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .info-text p {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
        }

        .qr-section {
            text-align: center;
            background: var(--light-bg);
            border-radius: 12px;
            padding: 20px;
            border: 1px dashed var(--border-color);
        }

        .qr-section img {
            width: 140px;
            height: 140px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .qr-section p {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
        }

        /* Lead Form */
        .form-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.03);
        }

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

        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            transition: var(--transition);
            background-color: var(--light-bg);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px var(--primary-glow);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        /* Floating Widgets */
        .float-bar {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            color: var(--text-main);
        }

        .float-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(112, 0, 255, 0.2);
            border-color: var(--primary);
            color: var(--primary);
        }

        .float-btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent-pink));
            color: #ffffff !important;
            border: none;
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: #94A3B8;
            padding: 80px 0 40px;
            border-top: 1px solid #1E293B;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 24px;
            font-weight: 700;
        }

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

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

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #ffffff;
            padding-left: 4px;
        }

        .friend-links-container {
            background: rgba(255, 255, 255, 0.03);
            border-radius: 12px;
            padding: 24px;
            margin-bottom: 40px;
        }

        .friend-links-title {
            color: #ffffff;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .friend-links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }

        .friend-links-grid a {
            color: #64748B;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .friend-links-grid a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-copy {
            font-size: 0.85rem;
        }

        .ai-page-home-link {
            color: var(--accent-cyan);
            text-decoration: none;
            font-weight: 600;
        }

        .ai-page-home-link:hover {
            text-decoration: underline;
        }

        /* Mobile Responsive adjustments */
        @media (max-width: 991px) {
            .nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }

            .nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }

            .menu-toggle {
                display: flex;
            }

            .menu-toggle.active span:nth-child(1) {
                transform: translateY(8px) rotate(45deg);
            }

            .menu-toggle.active span:nth-child(2) {
                opacity: 0;
            }

            .menu-toggle.active span:nth-child(3) {
                transform: translateY(-8px) rotate(-45deg);
            }

            section {
                padding: 60px 0;
            }
        }