:root {
            --primary: #ec4899;
            --primary-hover: #db2777;
            --secondary: #a855f7;
            --accent: #06b6d4;
            --bg-dark: #0b071e;
            --bg-card: rgba(22, 14, 46, 0.7);
            --bg-light: #160e2e;
            --text-main: #f3f4f6;
            --text-muted: #9ca3af;
            --border-glow: rgba(236, 72, 153, 0.2);
            --max-w: 1200px;
        }

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

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

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

        /* Header / Navbar */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 7, 30, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(236, 72, 153, 0.15);
            transition: all 0.3s ease;
        }

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

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

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

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

        .nav-menu a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
            position: relative;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -5px;
            left: 0;
            background-color: var(--primary);
            transition: width 0.3s;
        }

        .nav-menu a:hover::after {
            width: 100%;
        }

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

        .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            text-decoration: none;
            font-size: 14px;
            font-weight: bold;
            box-shadow: 0 0 15px rgba(236, 72, 153, 0.4);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(236, 72, 153, 0.6);
        }

        /* Mobile Nav Toggle */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* Section Layouts */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(236, 72, 153, 0.05);
            position: relative;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 15px;
            background: linear-gradient(to right, var(--primary), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 50px auto;
            font-size: 1rem;
        }

        /* Section 1: Hero (No Images Allowed) */
        #hero {
            padding: 120px 0 100px 0;
            background: radial-gradient(circle at 50% 30%, rgba(168, 85, 247, 0.15), transparent 70%);
            text-align: center;
        }

        .hero-h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 30%, var(--primary) 70%, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 900;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 15px 35px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            box-shadow: 0 0 25px rgba(236, 72, 153, 0.4);
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 35px rgba(236, 72, 153, 0.7);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
            padding: 15px 35px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

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

        /* Data Indicators */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }

        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            padding: 30px 20px;
            border-radius: 15px;
            text-align: center;
            transition: transform 0.3s;
        }

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

        .metric-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 5px;
        }

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

        /* Section 2: About Us (Includes Square Image) */
        .about-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .about-image-container {
            border: 2px solid var(--border-glow);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(168, 85, 247, 0.2);
        }

        .about-image-container img {
            width: 100%;
            display: block;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .about-image-container img:hover {
            transform: scale(1.05);
        }

        /* Section 3: All Platform AIGC Services */
        .platform-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto;
        }

        .platform-tag {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-main);
            padding: 8px 18px;
            border-radius: 20px;
            font-size: 0.9rem;
            transition: all 0.3s;
            cursor: default;
        }

        .platform-tag:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
            box-shadow: 0 0 10px rgba(236, 72, 153, 0.5);
            border-color: var(--primary);
        }

        /* Section 4: One-stop AIGC Creation */
        .creation-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .creation-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s;
        }

        .creation-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(236, 72, 153, 0.1);
        }

        .creation-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            color: var(--accent);
        }

        .creation-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .creation-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        /* Section 5: Industry Solutions */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: linear-gradient(145deg, rgba(22, 14, 46, 0.9), rgba(11, 7, 30, 0.95));
            border-left: 4px solid var(--accent);
            padding: 30px;
            border-radius: 0 15px 15px 0;
        }

        .solution-card h3 {
            font-size: 1.4rem;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .solution-card p {
            color: var(--text-muted);
        }

        /* Section 6 & 8: Service Network & Technical Standards */
        .network-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-img img {
            width: 100%;
            border-radius: 15px;
            border: 1px solid var(--border-glow);
        }

        .network-list {
            list-style: none;
        }

        .network-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 15px;
            color: var(--text-muted);
        }

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

        /* Section 7: Standardized AIGC Workflow (Timeline) */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 2px;
            background: var(--border-glow);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -1px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: var(--accent);
            border: 4px solid var(--bg-dark);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left {
            left: 0;
        }

        .right {
            left: 50%;
        }

        .right::after {
            left: -8px;
        }

        .timeline-content {
            padding: 20px 30px;
            background: var(--bg-card);
            position: relative;
            border-radius: 8px;
            border: 1px solid var(--border-glow);
        }

        .timeline-content h3 {
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 8px;
        }

        /* Section 9: Customer Case Center (3 Banner Images) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .case-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .case-body {
            padding: 20px;
        }

        .case-body h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

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

        /* Section 10: Comparison Table (Must show 9.9/10, 5 stars) */
        .table-responsive {
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-glow);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            text-align: left;
        }

        .compare-table th, .compare-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(236, 72, 153, 0.1);
        }

        .compare-table th {
            background: rgba(168, 85, 247, 0.2);
            color: var(--text-main);
            font-weight: bold;
        }

        .compare-table td strong {
            color: var(--accent);
        }

        .rating-badge {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            margin-top: 30px;
            font-size: 1.2rem;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .rating-badge span {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            margin: 0 10px;
        }

        /* Section 11: Smart Requirement Matching & Section 20: Contact Us Form */
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .info-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 15px;
            padding: 40px;
        }

        .info-panel h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .info-list {
            list-style: none;
            margin-bottom: 30px;
        }

        .info-list li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 15px;
            color: var(--text-muted);
        }

        .info-list li strong {
            color: var(--text-main);
        }

        .form-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 15px;
            padding: 40px;
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-main);
            padding: 12px 15px;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(236, 72, 153, 0.3);
        }

        /* Section 12: Token Price Comparison */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .price-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 15px;
            padding: 30px;
            text-align: center;
            transition: all 0.3s;
        }

        .price-card.popular {
            border-color: var(--primary);
            transform: scale(1.05);
            box-shadow: 0 10px 25px rgba(236, 72, 153, 0.2);
        }

        .price-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .price-val {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            margin-bottom: 20px;
        }

        .price-features {
            list-style: none;
            margin-bottom: 25px;
            text-align: left;
            padding-left: 20px;
        }

        .price-features li {
            margin-bottom: 10px;
            color: var(--text-muted);
            position: relative;
        }

        .price-features li::before {
            content: '✓';
            position: absolute;
            left: -20px;
            color: var(--accent);
        }

        /* Section 13 & 14: AI Training & Certification */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--bg-card);
            border: 1px solid rgba(168, 85, 247, 0.2);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s;
        }

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

        .training-card h3 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }

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

        /* Section 15 & 16: FAQ Section */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-header {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-main);
            text-align: left;
            padding: 18px 25px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.3s;
        }

        .faq-header:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-header::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-header::after {
            content: '-';
        }

        .faq-content {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-content {
            padding: 0 25px 20px 25px;
        }

        /* Section 17: Self-service Troubleshooting */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .troubleshoot-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 12px;
            padding: 25px;
        }

        .troubleshoot-card h3 {
            color: var(--accent);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .troubleshoot-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Section 18: AI Glossary */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }

        .glossary-card {
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            padding: 15px;
            transition: all 0.3s;
        }

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

        .glossary-card h3 {
            font-size: 1rem;
            margin-bottom: 5px;
            color: var(--primary);
        }

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

        /* Section 19: Articles & News */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 12px;
            padding: 20px;
            transition: all 0.3s;
        }

        .article-card:hover {
            border-color: var(--accent);
        }

        .article-card h3 {
            font-size: 1.1rem;
            margin-bottom: 12px;
        }

        .article-card a {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: bold;
        }

        .article-card a:hover {
            text-decoration: underline;
        }

        /* Customer Reviews (6 items) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            margin-top: 40px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: 12px;
            padding: 25px;
            position: relative;
        }

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

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-author-info h4 {
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .review-author-info p {
            font-size: 0.8rem;
            color: var(--primary);
        }

        /* QR Code & Footer Links styling */
        .qr-section {
            text-align: center;
            margin-top: 40px;
            padding: 30px;
            background: var(--bg-card);
            border-radius: 15px;
            border: 1px solid var(--border-glow);
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
            position: relative;
        }

        .qr-section img {
            width: 150px;
            height: 150px;
            border-radius: 8px;
            margin-bottom: 15px;
        }

        /* Float Customer Service */
        .float-cs {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 1001;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(236, 72, 153, 0.4);
            cursor: pointer;
            transition: all 0.3s;
        }

        .float-cs:hover {
            transform: scale(1.1) rotate(10deg);
        }

        .float-cs svg {
            width: 30px;
            height: 30px;
            fill: white;
        }

        .cs-popover {
            display: none;
            position: absolute;
            bottom: 75px;
            right: 0;
            background: var(--bg-light);
            border: 1px solid var(--primary);
            border-radius: 12px;
            padding: 20px;
            width: 250px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.5);
            text-align: center;
        }

        .cs-popover img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
        }

        .cs-popover p {
            font-size: 0.9rem;
            color: var(--text-main);
        }

        /* Footer */
        footer {
            background: #060411;
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(236, 72, 153, 0.15);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: var(--text-main);
            margin-bottom: 15px;
            font-size: 1.1rem;
        }

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

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links ul li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .friend-links-area {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            margin-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .friend-links-area a {
            color: var(--text-muted);
            margin-right: 15px;
            text-decoration: none;
        }

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .creation-grid, .case-grid, .price-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-dark);
                border-bottom: 1px solid var(--border-glow);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.5);
            }

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

            .nav-toggle {
                display: flex;
            }

            .about-wrapper, .form-grid, .network-wrapper {
                grid-template-columns: 1fr;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .creation-grid, .case-grid, .price-grid, .reviews-grid, .troubleshoot-grid, .glossary-grid, .articles-list {
                grid-template-columns: 1fr;
            }

            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item::after {
                left: 23px;
            }

            .right {
                left: 0%;
            }

            .hero-h1 {
                font-size: 2.2rem;
            }
        }