/* CSS Reset & Variables */
        :root {
            --primary: #7928ca;
            --primary-light: #9f5cf0;
            --secondary: #ff007f;
            --dark: #0f0f1a;
            --text-main: #1d1d2f;
            --text-muted: #5e5e7a;
            --bg-main: #fafaff;
            --bg-card: #ffffff;
            --border-color: #eaeaea;
            --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: var(--bg-main);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* Common Container */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.3;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 12px;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-desc {
            text-align: center;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 50px;
            font-size: 1.1rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background: var(--gradient);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(121, 40, 202, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 0, 127, 0.4);
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* Header Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(250, 250, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

        .nav-menu {
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .nav-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            padding: 5px 0;
            position: relative;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient);
            transition: var(--transition);
        }

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

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background: var(--primary);
            transition: var(--transition);
        }

        /* Hero Section (No Image) */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 0, 127, 0.08) 0%, rgba(121, 40, 202, 0.05) 50%, rgba(250, 250, 255, 1) 100%);
            text-align: center;
        }

        .hero-inner {
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(121, 40, 202, 0.1);
            color: var(--primary);
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 24px;
            letter-spacing: 1px;
            border: 1px solid rgba(121, 40, 202, 0.2);
        }

        .hero-title {
            font-size: 3.5rem;
            margin-bottom: 24px;
            color: var(--dark);
            letter-spacing: -1px;
        }

        .hero-title span {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 48px;
        }

        /* Stats Cards */
        .stats {
            padding: 40px 0 80px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stats-card {
            background: var(--bg-card);
            padding: 30px 24px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(121, 40, 202, 0.05);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stats-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.1);
            border-color: rgba(255, 0, 127, 0.2);
        }

        .stats-num {
            font-size: 2.8rem;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stats-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* Section Global Spacing */
        .section-padding {
            padding: 80px 0;
        }

        /* About Us & Platform Intro */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .platform-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .p-feature-item {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .p-feature-icon {
            font-size: 1.5rem;
            color: var(--secondary);
            flex-shrink: 0;
        }

        .p-feature-info h4 {
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--dark);
        }

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

        /* AIGC Services (Grid) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

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

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(121, 40, 202, 0.08);
            border-color: rgba(121, 40, 202, 0.2);
        }

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

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(121, 40, 202, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

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

        .model-tag {
            background: var(--bg-main);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid rgba(121, 40, 202, 0.1);
        }

        /* One-stop Production Blocks */
        .prod-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .prod-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 35px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

        .prod-card:hover {
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.08);
            border-color: rgba(255, 0, 127, 0.15);
        }

        .prod-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .prod-card p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .prod-features-list {
            margin-bottom: 30px;
        }

        .prod-features-list li {
            margin-bottom: 10px;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
        }

        .prod-features-list li::before {
            content: "✓";
            color: var(--secondary);
            font-weight: 900;
        }

        /* Industry Solutions */
        .sol-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .sol-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            transition: var(--transition);
        }

        .sol-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(121, 40, 202, 0.06);
            border-color: var(--primary-light);
        }

        .sol-icon {
            font-size: 2rem;
            margin-bottom: 16px;
            display: block;
        }

        .sol-card h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        /* Service Network & Timeline */
        .network-section {
            background: #f0f0f8;
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .timeline {
            position: relative;
            padding-left: 30px;
            border-left: 2px solid var(--primary-light);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -37px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--secondary);
            border: 3px solid #f0f0f8;
        }

        .timeline-time {
            font-weight: 800;
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        .timeline-title {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 6px;
        }

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

        /* Workflow & Technical Standards */
        .wf-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 60px;
        }

        .wf-step {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 12px;
            position: relative;
        }

        .wf-step-num {
            position: absolute;
            right: 20px;
            top: 15px;
            font-size: 2rem;
            font-weight: 900;
            color: rgba(121, 40, 202, 0.1);
        }

        .wf-step h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--primary);
        }

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

        .standards-box {
            background: linear-gradient(135deg, rgba(121, 40, 202, 0.03) 0%, rgba(255, 0, 127, 0.03) 100%);
            border: 1px dashed var(--primary-light);
            border-radius: 20px;
            padding: 40px;
        }

        .standards-title {
            text-align: center;
            font-size: 1.5rem;
            margin-bottom: 30px;
            color: var(--dark);
        }

        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .std-card {
            background: var(--bg-card);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .std-card h5 {
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

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

        /* Case Studies (with required images) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(121, 40, 202, 0.08);
        }

        .case-img-container {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: #eee;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--gradient);
            color: #fff;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .case-info {
            padding: 24px;
        }

        .case-info h4 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .case-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .case-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
        }

        /* Evaluation Table Section (9.9, Five Star) */
        .eval-section {
            background: linear-gradient(to bottom, #fafaff 0%, #f3f3fc 100%);
        }

        .eval-score-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            background: var(--bg-card);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(121, 40, 202, 0.05);
            margin-bottom: 50px;
            border: 1px solid var(--border-color);
        }

        .score-num-wrap {
            text-align: center;
        }

        .score-huge {
            font-size: 4.5rem;
            font-weight: 900;
            line-height: 1;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .score-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 700;
        }

        .rating-stars {
            color: #ffb800;
            font-size: 2rem;
            margin-bottom: 8px;
        }

        .rating-desc {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .eval-table th, .eval-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .eval-table th {
            background: rgba(121, 40, 202, 0.04);
            font-weight: 700;
            color: var(--dark);
        }

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

        .eval-table tr:hover td {
            background: rgba(121, 40, 202, 0.01);
        }

        .status-badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .status-perfect {
            background: rgba(255, 0, 127, 0.1);
            color: var(--secondary);
        }

        .status-normal {
            background: #eee;
            color: #666;
        }

        /* Token Pricing */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .pricing-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px 30px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .pricing-card.popular {
            border-color: var(--secondary);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.1);
        }

        .popular-badge {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--secondary);
            color: #fff;
            padding: 3px 10px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .pricing-card h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
        }

        .pricing-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 20px 0;
        }

        .pricing-price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .pricing-features {
            margin: 30px 0;
            text-align: left;
        }

        .pricing-features li {
            padding: 8px 0;
            border-bottom: 1px solid #f5f5f5;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .training-intro h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

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

        .cert-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 15px;
        }

        .cert-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .cert-name {
            font-weight: 700;
            color: var(--dark);
        }

        .cert-authority {
            font-size: 0.8rem;
            color: var(--secondary);
            background: rgba(255, 0, 127, 0.05);
            padding: 3px 10px;
            border-radius: 30px;
            font-weight: 600;
        }

        /* Agent Section */
        .agent-box {
            background: var(--gradient);
            color: #ffffff;
            border-radius: 24px;
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(121, 40, 202, 0.2);
        }

        .agent-box h3 {
            font-size: 2.2rem;
            margin-bottom: 15px;
        }

        .agent-box p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 700px;
            margin: 0 auto 35px;
        }

        .agent-perks {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 40px;
        }

        .perk-card {
            background: rgba(255, 255, 255, 0.1);
            padding: 24px;
            border-radius: 12px;
            backdrop-filter: blur(10px);
        }

        .perk-card h4 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }

        .perk-card p {
            font-size: 0.85rem;
            opacity: 0.8;
            margin: 0;
        }

        /* Matching & Contact Form */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.02);
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-group label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-main);
            color: var(--text-main);
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.15);
        }

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

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

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

        .info-card h4 {
            font-size: 1.15rem;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .info-list li {
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        .info-list strong {
            color: var(--dark);
        }

        /* FAQ Section */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto 50px;
        }

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

        .faq-trigger {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            background: none;
            border: none;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-trigger span::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-trigger span::after {
            content: '−';
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(121, 40, 202, 0.01);
        }

        .faq-content p {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        /* Troubleshooting & Glossary */
        .helper-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .helper-panel {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
        }

        .helper-panel h3 {
            font-size: 1.4rem;
            margin-bottom: 24px;
            color: var(--dark);
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
            display: inline-block;
        }

        .trouble-list li {
            margin-bottom: 16px;
        }

        .trouble-q {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }

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

        .glossary-list dt {
            font-weight: 700;
            color: var(--primary);
            margin-top: 12px;
        }

        .glossary-list dd {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-left: 0;
            margin-bottom: 12px;
        }

        /* Testimonials (6 comments) */
        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testi-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.01);
            position: relative;
        }

        .testi-card::before {
            content: "“";
            position: absolute;
            top: 15px;
            left: 20px;
            font-size: 4rem;
            color: rgba(255, 0, 127, 0.1);
            line-height: 1;
        }

        .testi-text {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .testi-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testi-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .testi-meta h5 {
            font-size: 0.95rem;
            color: var(--dark);
        }

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

        /* Knowledge Base Articles */
        .kb-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .kb-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            transition: var(--transition);
        }

        .kb-card:hover {
            border-color: var(--secondary);
            box-shadow: 0 8px 24px rgba(255, 0, 127, 0.05);
        }

        .kb-tag {
            font-size: 0.75rem;
            background: rgba(121, 40, 202, 0.05);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .kb-card h4 {
            font-size: 1.1rem;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .kb-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .kb-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* Footer & Links */
        .footer {
            background: var(--dark);
            color: #a0a0b0;
            padding: 80px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-desc {
            font-size: 0.85rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-title {
            color: #ffffff;
            font-size: 1.05rem;
            margin-bottom: 24px;
            position: relative;
            padding-bottom: 8px;
        }

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

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

        .footer-links a {
            color: #a0a0b0;
        }

        .footer-links a:hover {
            color: #ffffff;
            padding-left: 5px;
        }

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

        .footer-qrcode img {
            width: 110px;
            height: 110px;
            border-radius: 8px;
            background: #fff;
            padding: 5px;
        }

        .footer-qrcode span {
            font-size: 0.8rem;
        }

        .footer-bottom {
            border-top: 1px solid #1f1f2e;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .friend-links a {
            color: #707080;
            font-size: 0.8rem;
        }

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

        .copyright {
            font-size: 0.8rem;
        }

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

        .widget-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-card);
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border-color);
            font-size: 1.2rem;
            position: relative;
        }

        .widget-btn:hover {
            background: var(--gradient);
            color: #ffffff;
        }

        .widget-qr-panel {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 140px;
        }

        .widget-qr-panel img {
            width: 110px;
            height: 110px;
            margin-bottom: 8px;
        }

        .widget-qr-panel span {
            font-size: 0.75rem;
            color: var(--text-main);
            font-weight: 700;
        }

        .widget-btn:hover .widget-qr-panel {
            display: block;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .case-grid, .pricing-grid, .testi-grid, .kb-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .sol-grid, .wf-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .standards-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-card);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.show {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 2.3rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .about-grid, .network-grid, .training-grid, .contact-grid, .helper-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid, .services-grid, .case-grid, .pricing-grid, .testi-grid, .kb-grid, .sol-grid, .wf-grid, .prod-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .agent-perks {
                grid-template-columns: 1fr;
            }
        }