:root {
            --bg-main: #060913;
            --bg-card: rgba(13, 20, 38, 0.7);
            --bg-card-hover: rgba(20, 32, 61, 0.9);
            --accent-green: #00ffcc;
            --accent-pink: #ff007f;
            --accent-blue: #00bfff;
            --text-light: #f8fafc;
            --text-muted: #94a3b8;
            --border-color: rgba(0, 255, 204, 0.15);
            --border-glow: 0 0 15px rgba(0, 255, 204, 0.3);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        body {
            background-color: var(--bg-main);
            color: var(--text-light);
            font-family: var(--font-sans);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 255, 204, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(2ff, 0, 127, 0.05) 0%, transparent 40%);
        }

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

        /* Utilities */
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 3rem;
            position: relative;
            background: linear-gradient(135deg, var(--text-light) 30%, var(--accent-green) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
            letter-spacing: 1px;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-green), var(--accent-pink));
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .glow-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: bold;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: 2px solid transparent;
            font-size: 1rem;
        }
        .glow-btn-primary {
            background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
            color: #060913;
            box-shadow: 0 0 20px rgba(0, 255, 204, 0.4);
        }
        .glow-btn-primary:hover {
            box-shadow: 0 0 30px rgba(0, 255, 204, 0.7);
            transform: translateY(-2px);
        }
        .glow-btn-secondary {
            background: transparent;
            color: var(--accent-green);
            border-color: var(--accent-green);
        }
        .glow-btn-secondary:hover {
            background: rgba(0, 255, 204, 0.1);
            box-shadow: 0 0 15px rgba(0, 255, 204, 0.2);
            transform: translateY(-2px);
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 9, 19, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            padding: 15px 0;
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            display: block;
        }
        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--accent-green), var(--accent-pink));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }
        .nav-menu a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s;
            font-weight: 500;
        }
        .nav-menu a:hover {
            color: var(--accent-green);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--accent-green);
            transition: 0.3s;
        }

        /* Hero */
        .hero {
            padding: 180px 0 100px;
            text-align: center;
            position: relative;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(0, 255, 204, 0.1);
            border: 1px solid var(--accent-green);
            color: var(--accent-green);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 1px;
            text-shadow: 0 0 10px rgba(0, 255, 204, 0.2);
        }
        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 25px;
            font-weight: 800;
            background: linear-gradient(135deg, #ffffff 40%, var(--accent-green) 70%, var(--accent-pink) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        
        /* Stats Area */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 12px;
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            border-color: var(--accent-pink);
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.2);
            transform: translateY(-5px);
        }
        .stat-val {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1;
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* About Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--accent-green);
            margin-bottom: 20px;
        }
        .about-text p {
            margin-bottom: 15px;
            color: var(--text-muted);
        }
        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 25px;
        }
        .feat-item {
            background: rgba(255, 255, 255, 0.02);
            border-left: 3px solid var(--accent-pink);
            padding: 10px 15px;
            font-weight: 600;
        }
        .about-side {
            background: linear-gradient(135deg, rgba(0, 255, 204, 0.05), rgba(255, 0, 127, 0.05));
            border: 1px dashed var(--border-color);
            border-radius: 16px;
            padding: 40px 30px;
            text-align: center;
        }
        .side-title {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--accent-green);
        }

        /* AIGC Services */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s ease;
        }
        .service-card:hover {
            border-color: var(--accent-green);
            box-shadow: var(--border-glow);
            transform: translateY(-5px);
        }
        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            color: var(--accent-green);
        }
        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--text-light);
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* One-stop Production */
        .prod-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .prod-image-wrapper img {
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--border-glow);
        }
        .prod-list {
            list-style: none;
        }
        .prod-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 20px;
        }
        .prod-list li::before {
            content: '✦';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--accent-pink);
            font-size: 1.2rem;
        }
        .prod-list strong {
            color: var(--accent-green);
            display: block;
            margin-bottom: 5px;
        }

        /* Solutions */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .solution-card {
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px 25px;
            background: linear-gradient(180deg, var(--bg-card) 0%, rgba(6, 9, 19, 0.9) 100%);
            text-align: center;
        }
        .solution-card h3 {
            color: var(--accent-green);
            margin-bottom: 15px;
        }

        /* Network & Flow */
        .flow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
            position: relative;
        }
        .flow-step {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px 20px;
            position: relative;
            text-align: center;
        }
        .step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background: linear-gradient(90deg, var(--accent-pink), var(--accent-green));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: #060913;
        }

        /* Compare Table */
        .table-responsive {
            overflow-x: auto;
            margin-top: 30px;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .compare-table th {
            background-color: rgba(0, 255, 204, 0.05);
            color: var(--accent-green);
            font-weight: bold;
        }
        .compare-table tbody tr:hover {
            background-color: rgba(255, 255, 255, 0.02);
        }
        .highlight-row {
            background-color: rgba(255, 0, 127, 0.05) !important;
            border-left: 4px solid var(--accent-pink);
        }

        /* Token Table & Price */
        .price-badge {
            background: rgba(0, 255, 204, 0.1);
            color: var(--accent-green);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.85rem;
            border: 1px solid var(--border-color);
        }

        /* Training */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .course-card {
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .course-card:hover {
            box-shadow: var(--border-glow);
            transform: scale(1.02);
        }
        .course-header {
            background: linear-gradient(135deg, var(--accent-green), var(--accent-blue));
            padding: 20px;
            color: #060913;
            font-weight: bold;
            font-size: 1.2rem;
            text-align: center;
        }
        .course-body {
            padding: 25px;
        }
        .course-body ul {
            list-style: none;
            margin-bottom: 20px;
        }
        .course-body li {
            margin-bottom: 8px;
            padding-left: 20px;
            position: relative;
            color: var(--text-muted);
        }
        .course-body li::before {
            content: '✔';
            position: absolute;
            left: 0;
            color: var(--accent-green);
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            background: var(--bg-card);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
        }
        .faq-question {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background 0.3s;
        }
        .faq-question:hover {
            background: rgba(0, 255, 204, 0.05);
        }
        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--accent-green);
            transition: transform 0.3s;
        }
        .faq-item.active .faq-question::after {
            content: '-';
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(6, 9, 19, 0.5);
            color: var(--text-muted);
        }
        .faq-answer-inner {
            padding: 20px;
            border-top: 1px solid rgba(0, 255, 204, 0.1);
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .test-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            position: relative;
        }
        .test-card::before {
            content: '“';
            position: absolute;
            top: 15px;
            left: 20px;
            font-size: 4rem;
            color: rgba(255, 0, 127, 0.1);
            line-height: 1;
        }
        .test-user {
            margin-top: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-green), var(--accent-pink));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #060913;
        }

        /* Articles Section */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .article-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .article-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .article-body h4 {
            margin-bottom: 10px;
            font-size: 1.1rem;
            line-height: 1.4;
        }
        .article-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
            flex-grow: 1;
        }
        .article-body a {
            color: var(--accent-green);
            text-decoration: none;
            font-weight: bold;
            font-size: 0.9rem;
        }

        /* Contact & Form */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
        }
        .contact-info {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            gap: 25px;
        }
        .info-block h4 {
            color: var(--accent-green);
            font-size: 1.2rem;
            margin-bottom: 10px;
        }
        .contact-qr-wrapper {
            display: flex;
            gap: 20px;
            margin-top: 15px;
        }
        .qr-box {
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .qr-box img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            margin-bottom: 5px;
        }
        .contact-form {
            background: rgba(255, 255, 255, 0.01);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--border-glow);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            color: var(--accent-green);
            font-weight: 500;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            background: rgba(6, 9, 19, 0.8);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-light);
            outline: none;
            transition: all 0.3s;
        }
        .form-control:focus {
            border-color: var(--accent-pink);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.3);
        }

        /* Footer */
        footer {
            background-color: #03050a;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo-area p {
            margin: 15px 0;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .footer-links h5 {
            color: var(--accent-green);
            font-size: 1.1rem;
            margin-bottom: 20px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-links a:hover {
            color: var(--accent-green);
        }
        .friend-links a {
            display: inline-block;
            margin-right: 15px;
            margin-bottom: 10px;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.9rem;
        }
        .friend-links a:hover {
            color: var(--accent-pink);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Floating customer service */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-green));
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 5px 20px rgba(0, 255, 204, 0.4);
            transition: all 0.3s;
        }
        .floating-service:hover {
            transform: scale(1.1);
        }
        .floating-service svg {
            width: 28px;
            height: 28px;
            fill: #060913;
        }
        .floating-qr-box {
            position: absolute;
            bottom: 75px;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--border-glow);
            display: none;
            width: 150px;
            text-align: center;
        }
        .floating-qr-box img {
            width: 100%;
            border-radius: 6px;
        }
        .floating-qr-box p {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 8px;
        }

        /* Tag Cloud & Dictionary styling */
        .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-pill {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            transition: all 0.3s;
        }
        .tag-pill:hover {
            border-color: var(--accent-pink);
            color: var(--accent-pink);
            transform: scale(1.05);
        }

        /* Media Queries */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .solutions-grid, .training-grid, .testimonials-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-timeline {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .flow-timeline .flow-step {
                padding-top: 35px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-main);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .about-grid, .prod-grid, .contact-wrapper, .footer-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid, .services-grid, .solutions-grid, .training-grid, .testimonials-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
            .flow-timeline {
                grid-template-columns: 1fr;
            }
        }