/* CSS Reset & Variables */
        :root {
            --primary-candy-pink: #FF6B8B;
            --primary-candy-blue: #1E90FF;
            --primary-candy-green: #2ED573;
            --primary-candy-orange: #FFA502;
            --primary-candy-purple: #9B59B6;
            --bg-light: #FFFDF9;
            --bg-pure: #FFFFFF;
            --text-dark: #2D3748;
            --text-muted: #718096;
            --border-color: #EDF2F7;
            --gradient-candy: linear-gradient(135deg, #FF6B8B 0%, #1E90FF 100%);
            --gradient-soft: linear-gradient(135deg, #FFF0F5 0%, #E6F2FF 100%);
            --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        /* Utility Classes */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 100px 0;
        }

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

        .section-title h2 {
            font-size: 2.2rem;
            color: #1A202C;
            margin-bottom: 12px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

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

        .badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 15px;
        }

        .badge-pink { background: rgba(255, 107, 139, 0.1); color: var(--primary-candy-pink); }
        .badge-blue { background: rgba(30, 144, 255, 0.1); color: var(--primary-candy-blue); }
        .badge-green { background: rgba(46, 213, 115, 0.1); color: var(--primary-candy-green); }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-primary {
            background: var(--gradient-candy);
            color: var(--bg-pure);
            box-shadow: 0 8px 20px rgba(255, 107, 139, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(255, 107, 139, 0.4);
        }

        .btn-secondary {
            background: var(--bg-pure);
            color: var(--text-dark);
            border: 2px solid var(--border-color);
        }

        .btn-secondary:hover {
            border-color: var(--primary-candy-blue);
            color: var(--primary-candy-blue);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 253, 249, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

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

        .ai-page-logo {
            height: 45px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 24px;
        }

        .nav-link {
            text-decoration: none;
            color: var(--text-dark);
            font-size: 0.95rem;
            font-weight: 600;
            transition: var(--transition);
        }

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

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        /* Hero Section (No Images Allowed) */
        .hero-section {
            padding-top: 160px;
            padding-bottom: 100px;
            background: var(--gradient-soft);
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,107,139,0.15) 0%, rgba(255,255,255,0) 70%);
            top: -100px;
            right: -100px;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(30,144,255,0.12) 0%, rgba(255,255,255,0) 70%);
            bottom: -150px;
            left: -150px;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.25;
            color: #1A202C;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero-content h1 span {
            background: var(--gradient-candy);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 60px;
        }

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

        .stat-card {
            background: var(--bg-pure);
            border-radius: 20px;
            padding: 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(30, 144, 255, 0.3);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-candy-blue);
            margin-bottom: 4px;
        }

        .stat-card:nth-child(2) .stat-num { color: var(--primary-candy-pink); }
        .stat-card:nth-child(3) .stat-num { color: var(--primary-candy-green); }
        .stat-card:nth-child(4) .stat-num { color: var(--primary-candy-orange); }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* About Section */
        .about-section {
            background: var(--bg-pure);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: #1A202C;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .about-highlight-box {
            background: #FFFDF9;
            border-left: 4px solid var(--primary-candy-pink);
            padding: 20px;
            border-radius: 0 16px 16px 0;
            margin: 30px 0;
        }

        .about-highlight-box p {
            font-style: italic;
            color: var(--text-dark);
            margin: 0;
            font-weight: 600;
        }

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

        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .about-feat-item span {
            color: var(--primary-candy-green);
            font-size: 1.3rem;
        }

        /* AIGC Services Area */
        .services-section {
            background: #FFFDF9;
        }

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

        .service-card {
            background: var(--bg-pure);
            border-radius: 24px;
            padding: 40px 30px;
            box-shadow: var(--shadow-sm);
            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: 6px;
            background: var(--gradient-candy);
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

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

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 24px;
            background: rgba(255, 107, 139, 0.1);
            color: var(--primary-candy-pink);
        }

        .service-card:nth-child(2) .service-icon {
            background: rgba(30, 144, 255, 0.1);
            color: var(--primary-candy-blue);
        }

        .service-card:nth-child(3) .service-icon {
            background: rgba(46, 213, 115, 0.1);
            color: var(--primary-candy-green);
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
            color: #1A202C;
        }

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

        .service-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .service-tag {
            background: #F7FAFC;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Platform list (Aggregated Models) */
        .platform-ticker {
            background: var(--bg-pure);
            padding: 40px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .ticker-title {
            text-align: center;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--text-muted);
            margin-bottom: 24px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .ticker-wrapper {
            display: flex;
            overflow: hidden;
            user-select: none;
        }

        .ticker-list {
            display: flex;
            gap: 30px;
            animation: scroll 30s linear infinite;
            white-space: nowrap;
        }

        .ticker-item {
            padding: 10px 24px;
            background: #FFF0F5;
            color: var(--primary-candy-pink);
            font-weight: 700;
            border-radius: 50px;
            font-size: 0.95rem;
            box-shadow: var(--shadow-sm);
        }

        .ticker-list:nth-child(even) .ticker-item {
            background: #E6F2FF;
            color: var(--primary-candy-blue);
        }

        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* Production Studio Section */
        .studio-section {
            background: var(--bg-pure);
        }

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

        .studio-card {
            background: #FFFDF9;
            border-radius: 20px;
            padding: 30px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .studio-card:hover {
            transform: translateY(-5px);
            background: #FFF0F5;
            border-color: rgba(255, 107, 139, 0.2);
        }

        .studio-card-num {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--primary-candy-orange);
            color: white;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .studio-card h4 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #1A202C;
        }

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

        /* Solutions Section */
        .solutions-section {
            background: #F8FAFC;
        }

        .solutions-tabs-nav {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 12px 24px;
            border: none;
            background: var(--bg-pure);
            border-radius: 50px;
            font-weight: 700;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .tab-btn.active, .tab-btn:hover {
            background: var(--primary-candy-pink);
            color: white;
        }

        .solutions-content {
            background: var(--bg-pure);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .solution-pane {
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .solution-pane.active {
            display: grid;
        }

        .sol-text h3 {
            font-size: 1.6rem;
            margin-bottom: 16px;
            color: #1A202C;
        }

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

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

        .sol-list li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }

        .sol-list li span {
            color: var(--primary-candy-pink);
        }

        .sol-media img {
            border-radius: 20px;
            width: 100%;
            height: auto;
            box-shadow: var(--shadow-md);
        }

        /* Service Network */
        .network-section {
            background: var(--bg-pure);
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .network-card {
            background: #FFFDF9;
            border-radius: 20px;
            padding: 30px 24px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
        }

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

        .network-city {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

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

        /* Standardization Process (Timeline) */
        .process-section {
            background: #FFFDF9;
        }

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

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }

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

        .timeline-container::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--bg-pure);
            border: 4px solid var(--primary-candy-pink);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left-timeline {
            left: 0;
        }

        .right-timeline {
            left: 50%;
        }

        .right-timeline::after {
            left: -10px;
        }

        .timeline-content {
            padding: 24px;
            background: var(--bg-pure);
            position: relative;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .timeline-step {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--primary-candy-pink);
            margin-bottom: 6px;
        }

        .timeline-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* Technical Standards */
        .tech-section {
            background: var(--bg-pure);
        }

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

        .tech-card {
            border-radius: 20px;
            padding: 30px;
            background: #FFFDF9;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .tech-card:hover {
            transform: scale(1.02);
            box-shadow: var(--shadow-md);
        }

        .tech-card h4 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            color: #1A202C;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tech-card h4 span {
            color: var(--primary-candy-purple);
        }

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

        /* Cases Grid */
        .cases-section {
            background: #FFFDF9;
        }

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

        .case-card {
            background: var(--bg-pure);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .case-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .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: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(30, 144, 255, 0.1);
            color: var(--primary-candy-blue);
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 6px;
            margin-bottom: 12px;
        }

        .case-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #1A202C;
        }

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

        /* Rating & Evaluation Section */
        .eval-section {
            background: var(--bg-pure);
        }

        .eval-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 50px;
            align-items: center;
        }

        .eval-left-card {
            background: var(--gradient-soft);
            border-radius: 24px;
            padding: 40px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 2px dashed rgba(255, 107, 139, 0.3);
        }

        .eval-score-num {
            font-size: 4.5rem;
            font-weight: 900;
            color: var(--primary-candy-pink);
            line-height: 1;
            margin-bottom: 10px;
        }

        .eval-stars {
            color: #FFD700;
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .eval-left-card h4 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

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

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

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

        .eval-table th, .eval-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .eval-table th {
            background-color: #F8FAFC;
            font-weight: 700;
            color: var(--text-dark);
        }

        .eval-table td {
            font-size: 0.95rem;
        }

        .eval-status {
            font-weight: 700;
            color: var(--primary-candy-green);
        }

        /* Pricing & Token比价 */
        .token-section {
            background: #FFFDF9;
        }

        .token-table-wrap {
            max-width: 1000px;
            margin: 0 auto;
            background: var(--bg-pure);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .token-table {
            width: 100%;
            border-collapse: collapse;
        }

        .token-table th, .token-table td {
            padding: 20px 24px;
            text-align: center;
        }

        .token-table th {
            background: var(--gradient-soft);
            font-weight: 800;
            color: var(--text-dark);
        }

        .token-table tr:not(:last-child) td {
            border-bottom: 1px solid var(--border-color);
        }

        .token-table td:first-child {
            font-weight: 700;
            text-align: left;
        }

        .price-tag-low {
            color: var(--primary-candy-green);
            font-weight: 700;
        }

        /* Trainings Grid */
        .training-section {
            background: var(--bg-pure);
        }

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

        .training-card {
            background: #FFFDF9;
            border-radius: 20px;
            padding: 30px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary-candy-purple);
            box-shadow: var(--shadow-md);
        }

        .train-icon {
            font-size: 2.2rem;
            margin-bottom: 16px;
            color: var(--primary-candy-purple);
        }

        .training-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: #1A202C;
            font-weight: 700;
        }

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

        /* AI training syllabus & timeline */
        .syllabus-section {
            background: #FFFDF9;
        }

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

        .syllabus-box {
            background: var(--bg-pure);
            border-radius: 24px;
            padding: 35px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .syllabus-box h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #1A202C;
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .syllabus-list li {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .syllabus-list li span:last-child {
            color: var(--primary-candy-pink);
            font-weight: 700;
        }

        /* FAQ Accordion */
        .faq-section {
            background: var(--bg-pure);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFFDF9;
            border-radius: 16px;
            margin-bottom: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 22px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-dark);
        }

        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary-candy-pink);
            transition: var(--transition);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--bg-pure);
        }

        .faq-content {
            padding: 24px 30px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* Self troubleshoot section */
        .troubleshoot-section {
            background: #FFFDF9;
        }

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

        .troubleshoot-card {
            background: var(--bg-pure);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .troubleshoot-card h4 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            color: #1A202C;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .troubleshoot-card h4 span {
            color: var(--primary-candy-orange);
        }

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

        /* AI Encyclopedia */
        .ency-section {
            background: var(--bg-pure);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .tag-item {
            padding: 10px 20px;
            background: #FFFDF9;
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            transition: var(--transition);
        }

        .tag-item:hover {
            background: var(--primary-candy-pink);
            color: white;
            border-color: var(--primary-candy-pink);
            transform: translateY(-2px);
        }

        /* Testimonials */
        .testimonials-section {
            background: #FFFDF9;
        }

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

        .testi-card {
            background: var(--bg-pure);
            border-radius: 24px;
            padding: 35px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .testi-card::before {
            content: '“';
            position: absolute;
            top: 20px;
            left: 24px;
            font-size: 5rem;
            color: rgba(255, 107, 139, 0.08);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .testi-text {
            color: var(--text-dark);
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .testi-user {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .testi-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--gradient-soft);
            color: var(--primary-candy-pink);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .testi-meta h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
        }

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

        /* Articles & Knowledge Base */
        .news-section {
            background: var(--bg-pure);
        }

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

        .news-card {
            background: #FFFDF9;
            border-radius: 20px;
            padding: 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-candy-blue);
            box-shadow: var(--shadow-sm);
        }

        .news-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 16px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            font-size: 0.85rem;
            color: var(--primary-candy-blue);
            text-decoration: none;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-link:hover {
            color: var(--primary-candy-pink);
        }

        /* Contact & Lead Matching Form */
        .contact-section {
            background: #FFFDF9;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
        }

        .contact-info-wrap {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details h3 {
            font-size: 1.8rem;
            margin-bottom: 24px;
        }

        .contact-details p {
            color: var(--text-muted);
            margin-bottom: 30px;
            font-size: 1.05rem;
        }

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

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
        }

        .contact-item-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(30, 144, 255, 0.1);
            color: var(--primary-candy-blue);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .contact-item-info h4 {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 4px;
        }

        .contact-item-info p {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 0;
        }

        .contact-qr-box {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--bg-pure);
            padding: 20px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            margin-top: 30px;
        }

        .contact-qr-box img {
            width: 100px;
            height: 100px;
            border-radius: 10px;
        }

        .contact-qr-text h5 {
            font-size: 1rem;
            margin-bottom: 6px;
            color: var(--text-dark);
        }

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

        /* Lead Form Card */
        .lead-form-card {
            background: var(--bg-pure);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }

        .lead-form-card h3 {
            font-size: 1.5rem;
            margin-bottom: 8px;
            color: #1A202C;
        }

        .lead-form-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 24px;
        }

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

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

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 18px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background: #F8FAFC;
            font-family: inherit;
            font-size: 0.95rem;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary-candy-pink);
            background: var(--bg-pure);
            box-shadow: 0 0 0 4px rgba(255, 107, 139, 0.1);
        }

        .form-textarea {
            height: 120px;
            resize: none;
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
        }

        /* Agent Program (Passive Income) */
        .agent-section {
            background: var(--gradient-soft);
            text-align: center;
        }

        .agent-box {
            max-width: 800px;
            margin: 0 auto;
        }

        .agent-features-small {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin: 40px 0;
        }

        .agent-feat-box {
            background: var(--bg-pure);
            padding: 20px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
        }

        .agent-feat-box h4 {
            font-size: 1.1rem;
            color: var(--primary-candy-pink);
            margin-bottom: 6px;
        }

        .agent-feat-box p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* Footer */
        footer {
            background: #1A202C;
            color: #E2E8F0;
            padding: 80px 0 40px 0;
            border-top: 1px solid #2D3748;
        }

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

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

        .footer-brand p {
            font-size: 0.9rem;
            color: #A0AEC0;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--bg-pure);
            margin-bottom: 24px;
            position: relative;
        }

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

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

        .footer-links a {
            color: #A0AEC0;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .footer-social-wrap {
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 0.9rem;
            color: #A0AEC0;
        }

        .footer-social-wrap span {
            color: var(--bg-pure);
            font-weight: 700;
        }

        .footer-bottom {
            border-top: 1px solid #2D3748;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-copyright {
            font-size: 0.85rem;
            color: #A0AEC0;
        }

        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
            color: #A0AEC0;
        }

        .footer-friend-links a {
            color: #A0AEC0;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-friend-links a:hover {
            color: var(--primary-candy-pink);
        }

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

        .float-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-pure);
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--text-dark);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            color: var(--primary-candy-pink);
        }

        .float-qr-hover {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: var(--bg-pure);
            padding: 16px;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            display: none;
            flex-direction: column;
            align-items: center;
            width: 160px;
        }

        .float-qr-hover img {
            width: 128px;
            height: 128px;
            margin-bottom: 8px;
        }

        .float-qr-hover p {
            font-size: 0.8rem;
            color: var(--text-dark);
            margin: 0;
            text-align: center;
        }

        .float-btn-kefu:hover .float-qr-hover {
            display: flex;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .hero-stats { grid-template-columns: repeat(2, 1fr); }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .studio-grid { grid-template-columns: repeat(2, 1fr); }
            .cases-grid { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
            .news-grid { grid-template-columns: repeat(3, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .eval-grid { grid-template-columns: 1fr; }
            .contact-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .section-padding { padding: 60px 0; }
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: var(--bg-pure);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active { display: flex; }
            .mobile-toggle { display: block; }
            .hero-content h1 { font-size: 2.2rem; }
            .about-grid { grid-template-columns: 1fr; gap: 40px; }
            .solution-pane { grid-template-columns: 1fr; }
            .timeline::after { left: 31px; }
            .timeline-container { width: 100%; padding-left: 70px; padding-right: 25px; }
            .timeline-container::after { left: 21px; right: auto; }
            .right-timeline { left: 0%; }
            .tech-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: 1fr; }
            .troubleshoot-grid { grid-template-columns: 1fr; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .agent-features-small { grid-template-columns: 1fr; }
        }

        @media (max-width: 480px) {
            .hero-stats { grid-template-columns: 1fr; }
            .services-grid { grid-template-columns: 1fr; }
            .studio-grid { grid-template-columns: 1fr; }
            .cases-grid { grid-template-columns: 1fr; }
            .training-grid { grid-template-columns: 1fr; }
        }