:root {
            --bg-color: #07040d;
            --card-bg: #130f24;
            --card-border: rgba(188, 52, 250, 0.2);
            --primary: #ff2a85;
            --secondary: #bc34fa;
            --accent: #00f0ff;
            --text-main: #f3f0f7;
            --text-muted: #a59fb6;
            --gradient-accent: linear-gradient(135deg, #ff2a85 0%, #bc34fa 100%);
            --gradient-dark: linear-gradient(180deg, #07040d 0%, #11091d 100%);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --max-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-color);
            background-image: radial-gradient(circle at 10% 20%, rgba(188, 52, 250, 0.15) 0%, transparent 40%),
                              radial-gradient(circle at 90% 80%, rgba(0, 240, 255, 0.1) 0%, transparent 40%);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

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

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

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }

        /* Section Global style */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(188, 52, 250, 0.1);
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            background: linear-gradient(90deg, #ffffff, #ff2a85, #00f0ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 15px;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block;
        }

        .section-header p {
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto;
            font-size: 1rem;
        }

        /* Navbar */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 4, 13, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(188, 52, 250, 0.2);
            transition: var(--transition);
        }

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

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

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 25px;
        }

        .nav-menu a {
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary);
            border-bottom: 2px solid var(--primary);
        }

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

        /* Button design */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            border-radius: 50px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            outline: none;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(255, 42, 133, 0.4);
        }

        .btn-primary:hover {
            box-shadow: 0 6px 20px rgba(255, 42, 133, 0.6);
            transform: translateY(-2px);
            color: #ffffff;
        }

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

        .btn-outline:hover {
            background: rgba(188, 52, 250, 0.15);
            transform: translateY(-2px);
            border-color: var(--accent);
        }

        .btn-sm {
            padding: 8px 16px;
            font-size: 0.85rem;
        }

        /* 1. Hero / Home Section (NO IMAGES HERE) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 90px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(188, 52, 250, 0.25) 0%, transparent 60%);
            transform: translate(-50%, -50%);
            pointer-events: none;
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(188, 52, 250, 0.15);
            border: 1px solid var(--secondary);
            color: var(--accent);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 25px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        .hero-section h1 {
            font-size: 3rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 25px;
            background: linear-gradient(135deg, #ffffff 30%, #ff2a85 70%, #00f0ff 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

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

        /* 2. Stats Section */
        .stats-section {
            background: rgba(19, 15, 36, 0.5);
            padding: 40px 0;
            border-top: 1px solid rgba(188, 52, 250, 0.1);
            border-bottom: 1px solid rgba(188, 52, 250, 0.1);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .stat-item h3 {
            font-size: 2.8rem;
            color: var(--accent);
            font-weight: 800;
            margin-bottom: 5px;
        }

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

        /* 3. About Us */
        .about-section {
            background: var(--gradient-dark);
        }

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

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #ffffff;
        }

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

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

        .about-feat-item {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 20px;
            border-radius: 12px;
            transition: var(--transition);
        }

        .about-feat-item:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .about-feat-item h4 {
            color: var(--accent);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .about-feat-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .about-contact-info {
            background: linear-gradient(135deg, rgba(188, 52, 250, 0.1) 0%, rgba(255, 42, 133, 0.1) 100%);
            border: 1px solid var(--card-border);
            padding: 30px;
            border-radius: 16px;
        }

        .about-contact-info h4 {
            font-size: 1.25rem;
            margin-bottom: 20px;
            color: #ffffff;
            border-bottom: 1px solid rgba(255, 42, 133, 0.2);
            padding-bottom: 10px;
        }

        .about-info-list li {
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        .about-info-list span {
            color: var(--primary);
            font-weight: 600;
            display: inline-block;
            width: 80px;
        }

        /* 4. AIGC Service System */
        .services-section {
            background: rgba(7, 4, 13, 0.8);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

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

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: var(--transition);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: rgba(255, 42, 133, 0.4);
            box-shadow: 0 10px 25px rgba(188, 52, 250, 0.15);
        }

        .service-card h3 {
            font-size: 1.35rem;
            color: #ffffff;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .service-card h3::after {
            content: '⚡';
            color: var(--accent);
            font-size: 1rem;
        }

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

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .model-tag {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: var(--accent);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
        }

        /* 5. Automatic Workflow */
        .workflow-section {
            background: var(--gradient-dark);
        }

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

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

        .flow-step-item:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
        }

        .flow-num {
            width: 50px;
            height: 50px;
            line-height: 50px;
            background: var(--gradient-accent);
            border-radius: 50%;
            color: #ffffff;
            font-weight: 800;
            font-size: 1.25rem;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(188, 52, 250, 0.4);
        }

        .flow-step-item h3 {
            color: #ffffff;
            font-size: 1.2rem;
            margin-bottom: 12px;
        }

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

        /* 6. Solutions */
        .solutions-section {
            background: rgba(7, 4, 13, 0.9);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

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

        .solution-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(255, 42, 133, 0.15);
        }

        .solution-body {
            padding: 30px;
        }

        .solution-body h3 {
            color: var(--accent);
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .solution-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .solution-points li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            font-size: 0.85rem;
            color: var(--text-main);
        }

        .solution-points li::before {
            content: '✔';
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        /* 7. Service Network */
        .network-section {
            background: var(--gradient-dark);
            text-align: center;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

        .cloud-tag {
            background: rgba(188, 52, 250, 0.1);
            border: 1px solid rgba(188, 52, 250, 0.3);
            color: var(--text-main);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .cloud-tag:hover {
            background: var(--gradient-accent);
            color: #ffffff;
            border-color: transparent;
            transform: scale(1.05);
        }

        /* 8. Standard Process */
        .process-section {
            background: rgba(7, 4, 13, 0.95);
        }

        .timeline {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: var(--card-border);
            transform: translateX(-50%);
        }

        .timeline-item {
            margin-bottom: 40px;
            position: relative;
            width: 50%;
            padding: 0 40px;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-dot {
            width: 16px;
            height: 16px;
            background: var(--accent);
            border: 4px solid var(--bg-color);
            border-radius: 50%;
            position: absolute;
            top: 10px;
            z-index: 10;
        }

        .timeline-item:nth-child(odd) .timeline-dot {
            right: -8px;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            left: -8px;
        }

        .timeline-content {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 20px;
            border-radius: 12px;
        }

        .timeline-content h3 {
            color: var(--primary);
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

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

        /* 9. Technical Standards */
        .standards-section {
            background: var(--gradient-dark);
        }

        .standards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .standard-card {
            background: rgba(19, 15, 36, 0.6);
            border: 1px solid var(--card-border);
            padding: 25px;
            border-radius: 16px;
            transition: var(--transition);
        }

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

        .standard-card h3 {
            color: #ffffff;
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

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

        /* 10. Case Center */
        .cases-section {
            background: rgba(7, 4, 13, 0.8);
        }

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

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

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

        .case-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #110c22;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: var(--transition);
        }

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

        .case-body {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            background: rgba(188, 52, 250, 0.15);
            color: var(--secondary);
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

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

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

        /* 11. Evaluation */
        .evaluation-section {
            background: var(--gradient-dark);
        }

        .eval-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .eval-score-card {
            background: linear-gradient(135deg, rgba(188, 52, 250, 0.15) 0%, rgba(255, 42, 133, 0.15) 100%);
            border: 2px solid var(--primary);
            padding: 40px;
            border-radius: 20px;
            text-align: center;
        }

        .eval-score-card h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: #ffffff;
        }

        .score-num {
            font-size: 5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
            text-shadow: 0 0 20px rgba(255, 42, 133, 0.5);
        }

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

        .eval-table-wrap {
            overflow-x: auto;
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 500px;
        }

        .eval-table th, .eval-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(188, 52, 250, 0.15);
        }

        .eval-table th {
            background: rgba(188, 52, 250, 0.1);
            color: var(--accent);
            font-weight: 600;
        }

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

        .eval-table tr:hover td {
            color: #ffffff;
            background: rgba(255, 42, 133, 0.05);
        }

        /* 12. Token Price Compare */
        .token-section {
            background: rgba(7, 4, 13, 0.9);
        }

        .token-table-wrap {
            overflow-x: auto;
            border: 1px solid var(--card-border);
            border-radius: 12px;
        }

        .token-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .token-table th, .token-table td {
            padding: 15px 20px;
            border-bottom: 1px solid rgba(188, 52, 250, 0.15);
        }

        .token-table th {
            background: rgba(19, 15, 36, 0.8);
            color: var(--accent);
        }

        .token-table td {
            font-size: 0.9rem;
        }

        .tag-recommend {
            background: var(--primary);
            color: #ffffff;
            font-size: 0.75rem;
            padding: 2px 6px;
            border-radius: 4px;
            margin-left: 8px;
        }

        /* 13. Vocational Training & 14. AI Training */
        .training-section {
            background: var(--gradient-dark);
        }

        .training-intro {
            background: rgba(188, 52, 250, 0.05);
            border: 1px solid var(--card-border);
            padding: 30px;
            border-radius: 16px;
            margin-bottom: 40px;
        }

        .training-intro h3 {
            color: var(--accent);
            margin-bottom: 15px;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

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

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

        .training-card h4 {
            color: #ffffff;
            font-size: 1.15rem;
            margin-bottom: 12px;
            border-left: 3px solid var(--primary);
            padding-left: 10px;
        }

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

        /* 15. Smart Match Form */
        .match-section {
            background: rgba(7, 4, 13, 0.9);
        }

        .match-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 50px;
        }

        .match-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--accent);
        }

        .match-info p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }

        .match-steps-list li {
            margin-bottom: 15px;
            position: relative;
            padding-left: 30px;
        }

        .match-steps-list li::before {
            content: attr(data-step);
            position: absolute;
            left: 0;
            top: 0;
            width: 20px;
            height: 20px;
            line-height: 20px;
            background: var(--secondary);
            border-radius: 50%;
            color: #ffffff;
            font-size: 0.75rem;
            text-align: center;
        }

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

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: #ffffff;
        }

        .form-control {
            width: 100%;
            background: rgba(7, 4, 13, 0.6);
            border: 1px solid var(--card-border);
            border-radius: 8px;
            padding: 12px 15px;
            color: #ffffff;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

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

        /* 16. Help Center & 17. FAQ */
        .faq-section {
            background: var(--gradient-dark);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

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

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

        .faq-question {
            padding: 20px;
            background: rgba(19, 15, 36, 0.5);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 0.95rem;
            user-select: none;
        }

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

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: transparent;
        }

        .faq-answer-inner {
            padding: 20px;
            border-top: 1px solid rgba(188, 52, 250, 0.1);
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.7;
        }

        /* 18. Self-troubleshooting & 19. Glossary */
        .trouble-glossary-section {
            background: rgba(7, 4, 13, 0.9);
        }

        .trouble-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .trouble-list li {
            margin-bottom: 20px;
        }

        .trouble-list h4 {
            color: var(--accent);
            margin-bottom: 8px;
            font-size: 1.05rem;
        }

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

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

        .glossary-item {
            margin-bottom: 20px;
            border-bottom: 1px solid rgba(188, 52, 250, 0.1);
            padding-bottom: 15px;
        }

        .glossary-item:last-child {
            margin-bottom: 0;
            border-bottom: none;
            padding-bottom: 0;
        }

        .glossary-item dt {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
            font-size: 0.95rem;
        }

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

        /* 6 User Reviews */
        .testimonials-section {
            background: var(--gradient-dark);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

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

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

        .testimonial-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .user-info h4 {
            color: #ffffff;
            font-size: 1.05rem;
        }

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

        .stars {
            color: #ffd700;
            font-size: 0.9rem;
        }

        .testimonial-text {
            color: var(--text-muted);
            font-size: 0.85rem;
            line-height: 1.7;
        }

        /* 20. News / Articles */
        .articles-section {
            background: rgba(7, 4, 13, 0.8);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .article-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 30px;
            border-radius: 16px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .article-body h3 {
            font-size: 1.15rem;
            color: #ffffff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-body p {
            color: var(--text-muted);
            font-size: 0.85rem;
            margin-bottom: 20px;
        }

        .article-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--accent);
        }

        /* 21. Contact Us */
        .contact-section {
            background: var(--gradient-dark);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 35px;
        }

        .contact-card {
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 30px;
            border-radius: 16px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .contact-card img {
            max-width: 150px;
            margin-bottom: 20px;
            border: 4px solid var(--card-border);
        }

        .contact-card h3 {
            color: #ffffff;
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        .contact-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }

        .contact-card a {
            font-size: 0.95rem;
            font-weight: 600;
        }

        /* Footer */
        footer {
            background: #050308;
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(188, 52, 250, 0.2);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-area {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .footer-logo-area .ai-page-logo {
            max-height: 35px;
            width: auto;
            align-self: flex-start;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: var(--text-muted);
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .friendly-links-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .friendly-links-wrap a {
            background: rgba(19, 15, 36, 0.5);
            border: 1px solid var(--card-border);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .friendly-links-wrap a:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(188, 52, 250, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* Floating Widgets */
        .floating-widgets {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            color: var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background: var(--gradient-accent);
            border-color: transparent;
            transform: scale(1.1);
        }

        .float-btn .tooltip {
            position: absolute;
            right: 60px;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 8px 12px;
            border-radius: 8px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }

        .float-btn:hover .tooltip {
            opacity: 1;
        }

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--card-bg);
            border: 1px solid var(--card-border);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.5);
            display: none;
            text-align: center;
            width: 180px;
        }

        .qr-popup img {
            width: 100%;
            height: auto;
            margin-bottom: 8px;
        }

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

        /* Animations */
        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(188, 52, 250, 0.4);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(188, 52, 250, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(188, 52, 250, 0);
            }
        }

        /* Responsive Design */
        @media (max-width: 992px) {
            .hero-section h1 {
                font-size: 2.3rem;
            }
            .about-grid,
            .eval-layout,
            .match-layout,
            .trouble-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .timeline-dot {
                left: 12px !important;
                right: auto !important;
            }
            .faq-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: rgba(7, 4, 13, 0.98);
                flex-direction: column;
                padding: 40px 20px;
                gap: 20px;
                transition: var(--transition);
                overflow-y: auto;
            }
            .nav-menu.active {
                left: 0;
            }
            .nav-toggle {
                display: block;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }