:root {
            --bg-main: #0a0516;
            --bg-card: #130b24;
            --bg-card-hover: #1d1136;
            --primary: #ff007f;
            --secondary: #9d00ff;
            --accent: #00f0ff;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --border: rgba(255, 0, 127, 0.15);
            --border-hover: rgba(0, 240, 255, 0.4);
            --gradient-primary: linear-gradient(135deg, #ff007f 0%, #9d00ff 100%);
            --gradient-cyber: linear-gradient(90deg, #ff007f, #00f0ff);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            background-color: var(--bg-main);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(255, 0, 127, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.05) 0%, transparent 40%);
        }

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

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 5, 22, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }

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

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

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--gradient-cyber);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
        }

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

        .nav-link {
            color: var(--text-main);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            opacity: 0.85;
        }

        .nav-link:hover {
            color: var(--accent);
            opacity: 1;
        }

        .nav-btn {
            background: var(--gradient-primary);
            color: #fff;
            padding: 8px 20px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.3);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 240, 255, 0.4);
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 2px;
            background-color: var(--text-main);
            transition: var(--transition);
        }

        /* Section Global */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(255, 0, 127, 0.05);
        }

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

        .section-tag {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent);
            margin-bottom: 10px;
            display: inline-block;
            font-weight: 700;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            background: linear-gradient(to right, #fff, #b8a6ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-desc {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1rem;
        }

        /* Hero Section (No Images Allowed) */
        .hero {
            padding-top: 160px;
            padding-bottom: 100px;
            position: relative;
            background: radial-gradient(circle at 50% 30%, rgba(157, 0, 255, 0.15) 0%, transparent 60%);
        }

        .hero-content {
            text-align: center;
            max-width: 850px;
            margin: 0 auto;
        }

        .hero-tag {
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid rgba(255, 0, 127, 0.3);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 25px;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.1);
        }

        h1.hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 25px;
            background: linear-gradient(135deg, #fff 30%, #ff007f 70%, #00f0ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

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

        .btn-primary {
            background: var(--gradient-primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 0 30px rgba(255, 0, 127, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.6);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
            padding: 14px 32px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 1rem;
            font-weight: 700;
            transition: var(--transition);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient-cyber);
            opacity: 0;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-hover);
        }

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

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 10px;
            font-family: monospace, sans-serif;
        }

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

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

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px 30px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--border-hover);
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.1);
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: #fff;
        }

        .service-list {
            list-style: none;
            margin-bottom: 20px;
        }

        .service-list li {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            padding-left: 15px;
            position: relative;
        }

        .service-list li::before {
            content: '•';
            color: var(--primary);
            position: absolute;
            left: 0;
        }

        /* Platform Grid Tag Cloud */
        .platform-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 40px;
            margin-top: 50px;
        }

        .platform-title {
            font-size: 1.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 30px;
        }

        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .platform-tag {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: var(--transition);
            color: var(--text-muted);
        }

        .platform-tag:hover {
            border-color: var(--primary);
            color: #fff;
            background: rgba(255, 0, 127, 0.1);
            transform: scale(1.05);
        }

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

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

        .step-item:hover {
            border-color: var(--accent);
            background: var(--bg-card-hover);
        }

        .step-num {
            width: 45px;
            height: 45px;
            line-height: 45px;
            background: var(--gradient-primary);
            border-radius: 50%;
            margin: 0 auto 20px;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.4);
        }

        .step-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Compare Table */
        .table-responsive {
            overflow-x: auto;
            border: 1px solid var(--border);
            border-radius: 16px;
            background: var(--bg-card);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .compare-table th, .compare-table td {
            padding: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .compare-table th {
            background: rgba(255, 255, 255, 0.02);
            color: #fff;
            font-weight: 700;
        }

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

        .compare-table td.highlight {
            background: rgba(255, 0, 127, 0.05);
            font-weight: 600;
        }

        .badge-star {
            color: #ffd700;
            font-weight: 800;
        }

        /* Case & Images */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-hover);
        }

        .case-img-container {
            width: 100%;
            position: relative;
            overflow: hidden;
            display: block;
        }

        .case-img-container img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }

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

        .case-body {
            padding: 25px;
        }

        .case-tag {
            color: var(--accent);
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

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

        /* Token Rate Table */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .token-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            transition: var(--transition);
        }

        .token-card:hover {
            border-color: var(--accent);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
        }

        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            padding-bottom: 15px;
            margin-bottom: 15px;
        }

        .token-name {
            font-weight: 700;
            color: #fff;
        }

        .token-tag {
            font-size: 0.75rem;
            background: rgba(0, 240, 255, 0.1);
            color: var(--accent);
            padding: 3px 8px;
            border-radius: 10px;
        }

        .token-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin: 10px 0;
        }

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

        /* Training & Certification */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .train-card {
            background: linear-gradient(180deg, var(--bg-card) 0%, rgba(255, 0, 127, 0.05) 100%);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 30px;
            position: relative;
            transition: var(--transition);
        }

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

        .train-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: #fff;
        }

        .train-meta {
            font-size: 0.8rem;
            color: var(--accent);
            margin-bottom: 15px;
            font-weight: 600;
        }

        /* Testimonials */
        .comment-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

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

        .comment-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
        }

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

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

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #fff;
        }

        .user-info h4 {
            font-size: 0.95rem;
            color: #fff;
        }

        .user-info p {
            font-size: 0.8rem;
            color: var(--accent);
        }

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

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            margin-bottom: 15px;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--accent);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(255, 255, 255, 0.01);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-answer-inner {
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .faq-icon::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
            display: inline-block;
        }

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

        .faq-item.active .faq-answer {
            max-height: 250px;
        }

        /* Form & Contact */
        .contact-wrapper {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 40px;
            margin-top: 30px;
        }

        .contact-info {
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 40px;
            border-radius: 20px;
        }

        .info-item {
            margin-bottom: 25px;
        }

        .info-title {
            font-size: 0.85rem;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 5px;
            font-weight: 700;
        }

        .info-val {
            font-size: 1.1rem;
            color: #fff;
        }

        .qrcode-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .qrcode-card {
            text-align: center;
            background: rgba(255, 255, 255, 0.02);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .qrcode-card img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .qrcode-label {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .contact-form {
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 40px;
            border-radius: 20px;
        }

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

        .form-label {
            display: block;
            font-size: 0.9rem;
            margin-bottom: 8px;
            color: var(--text-main);
            font-weight: 600;
        }

        .form-control {
            width: 100%;
            background: rgba(10, 5, 22, 0.6);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }

        .form-submit-btn {
            width: 100%;
            background: var(--gradient-primary);
            color: #fff;
            padding: 14px;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.4);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 240, 255, 0.5);
        }

        /* Article / Knowledge Hub */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 25px;
            transition: var(--transition);
        }

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

        .article-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .article-title a {
            color: #fff;
            text-decoration: none;
            transition: var(--transition);
        }

        .article-title a:hover {
            color: var(--accent);
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 15px;
        }

        /* Float elements */
        .float-kefu {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            background: var(--gradient-primary);
            width: 55px;
            height: 55px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.5);
            cursor: pointer;
            transition: var(--transition);
        }

        .float-kefu:hover {
            transform: scale(1.1) rotate(10deg);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.7);
        }

        .float-kefu svg {
            width: 25px;
            height: 25px;
            fill: #fff;
        }

        .kefu-modal {
            display: none;
            position: fixed;
            right: 90px;
            bottom: 25px;
            width: 260px;
            background: var(--bg-card);
            border: 1px solid var(--accent);
            border-radius: 16px;
            padding: 20px;
            z-index: 999;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            text-align: center;
        }

        .kefu-modal img {
            width: 150px;
            height: 150px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .kefu-modal p {
            font-size: 0.85rem;
            color: var(--text-main);
        }

        /* Footer */
        footer {
            background: #06030e;
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #fff;
            margin-bottom: 20px;
            font-weight: 700;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--accent);
        }

        .flink-area {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 25px;
            margin-top: 25px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .flink-area a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .flink-area a:hover {
            color: var(--primary);
        }

        .copyright-area {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.8rem;
        }

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

        /* Mobile Menu */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-card);
                border-bottom: 1px solid var(--border);
                padding: 20px;
                gap: 15px;
                text-align: center;
            }

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

            .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);
            }
        }