:root {
            --primary: #8c52ff;
            --primary-vibrant: #ff66c4;
            --dark-purple: #1d0e3b;
            --text-dark: #2b2b2b;
            --text-muted: #6c757d;
            --bg-light: #f8f7fd;
            --bg-card: #ffffff;
            --border-color: #e8e6f5;
            --shadow-sm: 0 4px 6px -1px rgba(140, 82, 255, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
            --shadow-md: 0 10px 15px -3px rgba(140, 82, 255, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
            --shadow-lg: 0 20px 25px -5px rgba(140, 82, 255, 0.12), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Base Reset */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--primary-vibrant);
        }

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

        section {
            padding: 80px 0;
            position: relative;
        }

        /* Headers style */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: linear-gradient(135deg, rgba(140, 82, 255, 0.1), rgba(255, 102, 196, 0.1));
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 2.2rem;
            color: var(--dark-purple);
            font-weight: 700;
            margin-bottom: 15px;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-vibrant));
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(140, 82, 255, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(140, 82, 255, 0.6);
            color: #ffffff;
        }

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

        .btn-outline:hover {
            background: rgba(140, 82, 255, 0.05);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark-purple);
            cursor: pointer;
        }

        /* Hero Section (No Images) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 102, 196, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(140, 82, 255, 0.15) 0%, transparent 50%),
                        linear-gradient(180deg, #ffffff 0%, var(--bg-light) 100%);
            text-align: center;
        }

        .hero-h1 {
            font-size: 3rem;
            line-height: 1.2;
            color: var(--dark-purple);
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }

        .hero-h1 span {
            background: linear-gradient(135deg, var(--primary), var(--primary-vibrant));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        /* Data Metrics Cards in Hero */
        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .metric-card {
            background: var(--bg-card);
            padding: 24px 15px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .metric-val {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
            background: linear-gradient(135deg, var(--primary), var(--primary-vibrant));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        /* About Section & Glossary */
        .about-section {
            background: #ffffff;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: start;
        }

        .about-text h3 {
            font-size: 1.6rem;
            color: var(--dark-purple);
            margin-bottom: 20px;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .highlight-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .highlight-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(140, 82, 255, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 3px;
        }

        .highlight-info h4 {
            font-size: 1rem;
            color: var(--dark-purple);
            margin-bottom: 4px;
        }

        .highlight-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* Glossary Component */
        .glossary-box {
            background: var(--bg-light);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .glossary-title {
            font-size: 1.2rem;
            color: var(--dark-purple);
            font-weight: 700;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 10px;
        }

        .glossary-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .glossary-item dt {
            font-weight: 600;
            color: var(--primary);
            font-size: 0.95rem;
        }

        .glossary-item dd {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-top: 4px;
            margin-left: 0;
        }

        /* Services & Features */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 20px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px 25px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(140, 82, 255, 0.3);
        }

        .feature-icon-wrapper {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(140, 82, 255, 0.1), rgba(255, 102, 196, 0.1));
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 1.5rem;
        }

        .feature-card h3 {
            font-size: 1.3rem;
            color: var(--dark-purple);
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .feature-tag {
            background: var(--bg-light);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 500;
        }

        /* Model Cloud (Tag Cloud) */
        .model-cloud-section {
            background: var(--bg-light);
            text-align: center;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .cloud-tag {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--dark-purple);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .cloud-tag:hover {
            background: linear-gradient(135deg, var(--primary), var(--primary-vibrant));
            color: #ffffff;
            transform: scale(1.05);
            border-color: transparent;
        }

        /* Solutions */
        .solutions-section {
            background: #ffffff;
        }

        .solutions-tabs-container {
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 40px;
            margin-top: 40px;
        }

        .solutions-menu {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .sol-tab-btn {
            padding: 15px 20px;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            transition: var(--transition);
        }

        .sol-tab-btn.active, .sol-tab-btn:hover {
            background: linear-gradient(135deg, var(--primary), var(--primary-vibrant));
            color: #ffffff;
            border-color: transparent;
        }

        .sol-content-pane {
            display: none;
            background: var(--bg-light);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .sol-content-pane.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

        .sol-pane-title {
            font-size: 1.5rem;
            color: var(--dark-purple);
            margin-bottom: 15px;
        }

        .sol-pane-desc {
            color: var(--text-muted);
            margin-bottom: 25px;
        }

        .sol-pane-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .sol-feat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-dark);
        }

        .sol-feat-item span {
            color: var(--primary-vibrant);
            font-weight: bold;
        }

        /* Flow & Standards */
        .flow-section {
            background: var(--bg-light);
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 50px;
        }

        .flow-step-card {
            background: #ffffff;
            padding: 30px 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            position: relative;
            text-align: center;
        }

        .flow-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-vibrant));
            color: #ffffff;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(140, 82, 255, 0.3);
        }

        .flow-step-card h3 {
            font-size: 1.15rem;
            color: var(--dark-purple);
            margin-bottom: 10px;
        }

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

        /* Tech Standards Table */
        .standards-wrapper {
            background: #ffffff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .standards-title {
            font-size: 1.3rem;
            color: var(--dark-purple);
            margin-bottom: 20px;
            text-align: center;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

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

        .standards-table th, .standards-table td {
            padding: 15px;
            border-bottom: 1px solid var(--border-color);
        }

        .standards-table th {
            background: var(--bg-light);
            color: var(--dark-purple);
            font-weight: 600;
        }

        .standards-table td {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .standards-table tr:hover {
            background: rgba(140, 82, 255, 0.02);
        }

        /* Cases Section */
        .cases-section {
            background: #ffffff;
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 30px;
        }

        .case-card {
            background: var(--bg-light);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .case-img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #eaeaea;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-category {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .case-title {
            font-size: 1.1rem;
            color: var(--dark-purple);
            margin-bottom: 10px;
        }

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

        /* Evaluation Block */
        .eval-section {
            background: linear-gradient(135deg, #1d0e3b 0%, #3a1574 100%);
            color: #ffffff;
        }

        .eval-section .section-title {
            color: #ffffff;
        }

        .eval-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .eval-score-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            backdrop-filter: blur(10px);
        }

        .eval-stars {
            color: #ffd700;
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .eval-num {
            font-size: 4rem;
            font-weight: 800;
            line-height: 1;
            color: #ffffff;
            margin-bottom: 5px;
        }

        .eval-num span {
            font-size: 1.5rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .eval-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 1px;
        }

        .eval-table-wrapper {
            background: #ffffff;
            border-radius: 16px;
            padding: 20px;
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            color: var(--text-dark);
            font-size: 0.9rem;
        }

        .eval-table th {
            color: var(--dark-purple);
            font-weight: bold;
            border-bottom: 2px solid var(--border-color);
            padding: 12px;
        }

        .eval-table td {
            padding: 12px;
            border-bottom: 1px solid var(--border-color);
        }

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

        .eval-status {
            font-weight: bold;
            color: #28a745;
        }

        /* Token Pricing & Matcher */
        .token-section {
            background: var(--bg-light);
        }

        .token-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .token-card, .matcher-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .token-card h3, .matcher-card h3 {
            font-size: 1.3rem;
            color: var(--dark-purple);
            margin-bottom: 20px;
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }

        /* Pricing Table */
        .token-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 0.85rem;
        }

        .token-table th, .token-table td {
            padding: 12px 10px;
            border-bottom: 1px solid var(--border-color);
        }

        .token-table th {
            background: var(--bg-light);
            color: var(--dark-purple);
        }

        .token-trend-down {
            color: #dc3545;
            font-weight: 600;
        }

        /* Interactive Matcher */
        .matcher-form-group {
            margin-bottom: 15px;
        }

        .matcher-form-group label {
            display: block;
            font-size: 0.9rem;
            color: var(--text-dark);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .matcher-select {
            width: 100%;
            padding: 10px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            background-color: var(--bg-light);
            outline: none;
        }

        .matcher-result {
            margin-top: 20px;
            padding: 15px;
            background: rgba(140, 82, 255, 0.05);
            border-radius: 8px;
            border: 1px dashed var(--primary);
            display: none;
        }

        .matcher-result h4 {
            font-size: 0.95rem;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .matcher-result p {
            font-size: 0.85rem;
            color: var(--text-dark);
        }

        /* Training Section */
        .training-section {
            background: #ffffff;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .training-card {
            background: var(--bg-light);
            border-radius: 12px;
            padding: 24px 15px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-vibrant);
        }

        .train-badge {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(140, 82, 255, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

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

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

        /* Help Center & Troubleshooting */
        .help-section {
            background: var(--bg-light);
        }

        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .trouble-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .trouble-card h3 {
            font-size: 1.3rem;
            color: var(--dark-purple);
            margin-bottom: 20px;
            border-left: 4px solid var(--primary-vibrant);
            padding-left: 12px;
        }

        .trouble-step {
            display: flex;
            gap: 15px;
            margin-bottom: 20px;
        }

        .trouble-step:last-child {
            margin-bottom: 0;
        }

        .trouble-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(255, 102, 196, 0.1);
            color: var(--primary-vibrant);
            font-weight: bold;
            font-size: 0.85rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .trouble-info h4 {
            font-size: 0.95rem;
            color: var(--dark-purple);
            margin-bottom: 5px;
        }

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

        /* FAQ Accordion */
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-trigger {
            width: 100%;
            padding: 16px 20px;
            background: none;
            border: none;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--dark-purple);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.2rem;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #fdfdfd;
        }

        .faq-content p {
            padding: 0 20px 16px 20px;
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Reviews */
        .reviews-section {
            background: #ffffff;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 30px;
        }

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

        .review-quote {
            font-size: 0.9rem;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-vibrant));
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.9rem;
        }

        .author-info h4 {
            font-size: 0.9rem;
            color: var(--dark-purple);
            margin-bottom: 2px;
        }

        .author-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Articles Section */
        .articles-section {
            background: var(--bg-light);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .article-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

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

        .article-title {
            font-size: 0.9rem;
            color: var(--dark-purple);
            font-weight: 600;
            margin-bottom: 12px;
            line-height: 1.4;
        }

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

        .article-link {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 500;
            margin-top: 15px;
            display: inline-block;
        }

        /* Contact & Partner Form */
        .contact-section {
            background: #ffffff;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: start;
        }

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

        .contact-info h3 {
            font-size: 1.5rem;
            color: var(--dark-purple);
            margin-bottom: 20px;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        .contact-item strong {
            color: var(--dark-purple);
        }

        .qrcode-box {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 10px;
            text-align: center;
            max-width: 180px;
        }

        .qrcode-box img {
            width: 100%;
            height: auto;
            border-radius: 6px;
        }

        .qrcode-box p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* Form styling */
        .contact-form-wrap {
            background: var(--bg-light);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
        }

        .contact-form-wrap h3 {
            font-size: 1.5rem;
            color: var(--dark-purple);
            margin-bottom: 25px;
            text-align: center;
        }

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

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

        .form-group label {
            display: block;
            font-size: 0.9rem;
            color: var(--text-dark);
            margin-bottom: 6px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background-color: #ffffff;
            color: var(--text-dark);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(140, 82, 255, 0.1);
        }

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

        .form-btn-wrap {
            text-align: center;
        }

        /* Footer */
        .site-footer {
            background: var(--dark-purple);
            color: #ffffff;
            padding: 60px 0 20px 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 40px;
            margin-bottom: 20px;
        }

        .footer-brand h4 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            font-weight: bold;
            color: #ffffff;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }

        .footer-links h5 {
            font-size: 1rem;
            margin-bottom: 15px;
            color: #ffffff;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-contact h5 {
            font-size: 1rem;
            margin-bottom: 15px;
            color: #ffffff;
        }

        .footer-contact p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
        }

        .friend-links-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 30px;
        }

        .friend-links-box h6 {
            color: #ffffff;
            margin-bottom: 10px;
            font-size: 0.85rem;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links-list a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
        }

        .friend-links-list a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.8rem;
            flex-wrap: wrap;
            gap: 15px;
        }

        .ai-page-home-link {
            color: rgba(255, 255, 255, 0.6);
            font-weight: 500;
        }

        .ai-page-home-link:hover {
            color: #ffffff;
        }

        /* Floating Components */
        .floating-tools {
            position: fixed;
            right: 20px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .float-btn:hover {
            background: linear-gradient(135deg, var(--primary), var(--primary-vibrant));
            color: #ffffff;
            transform: translateY(-3px);
        }

        .float-btn svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        .float-kefu-pop {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-kefu-pop img {
            width: 100px;
            height: 100px;
            border-radius: 4px;
        }

        .float-kefu-pop p {
            font-size: 0.75rem;
            color: var(--text-dark);
            margin-top: 5px;
        }

        .float-btn:hover .float-kefu-pop {
            display: block;
        }

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-metrics {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .articles-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-h1 {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .about-grid, .solutions-tabs-container, .token-grid, .help-grid, .contact-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .solutions-menu {
                flex-direction: row;
                overflow-x: auto;
                padding-bottom: 10px;
            }
            .sol-tab-btn {
                white-space: nowrap;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .eval-grid {
                grid-template-columns: 1fr;
            }
            .reviews-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: #ffffff;
                flex-direction: column;
                padding: 40px 20px;
                transition: var(--transition);
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active {
                left: 0;
            }
            .nav-actions {
                display: none;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .articles-grid {
                grid-template-columns: 1fr;
            }
        }