:root {
            --primary: #4D96FF;
            --secondary: #6BCB77;
            --accent1: #FF6B6B;
            --accent2: #FFD93D;
            --accent3: #B983FF;
            --rainbow-grad: linear-gradient(135deg, #FF6B6B, #FFD93D, #6BCB77, #4D96FF, #B983FF);
            --rainbow-text: linear-gradient(90deg, #FF6B6B, #FF8E53, #FFD93D, #6BCB77, #4D96FF, #B983FF);
            --dark: #1E2022;
            --dark-gray: #4A4A4A;
            --light: #F9FAFC;
            --white: #FFFFFF;
            --border-color: #E8ECEF;
            --shadow: 0 10px 30px rgba(0,0,0,0.05);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        * {
            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(--dark);
            background-color: var(--light);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

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

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

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

        .section-header h2 {
            font-size: 2.2rem;
            margin-bottom: 15px;
            background: var(--rainbow-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .section-header p {
            color: var(--dark-gray);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--rainbow-grad);
            color: var(--white);
            box-shadow: 0 4px 15px rgba(77, 150, 255, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(77, 150, 255, 0.6);
        }

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

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

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

        header.scrolled {
            box-shadow: var(--shadow);
            padding: 5px 0;
        }

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

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

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

        .nav-links {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-links a {
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 5px 10px;
            border-radius: 4px;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary);
            background: rgba(77, 150, 255, 0.05);
        }

        .nav-btn {
            background: var(--rainbow-grad);
            color: var(--white) !important;
            padding: 8px 20px !important;
            border-radius: 20px !important;
            font-weight: 600;
        }

        .nav-btn:hover {
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        }

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero Section (NO IMAGES AS PER INSTRUCTIONS) */
        .hero {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 107, 107, 0.05) 0%, rgba(185, 131, 255, 0.05) 90%);
            text-align: center;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 25px;
            box-shadow: var(--shadow);
        }

        .hero-badge span {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--secondary);
            margin-right: 8px;
            animation: pulse 2s infinite;
        }

        .hero h1 {
            font-size: 3rem;
            max-width: 900px;
            margin: 0 auto 20px;
            background: var(--rainbow-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p.lead {
            font-size: 1.25rem;
            color: var(--dark-gray);
            max-width: 700px;
            margin: 0 auto 35px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
        }

        .hero-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 50px;
        }

        .hero-feat-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 25px 20px;
            border-radius: 16px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

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

        .hero-feat-card p {
            font-size: 0.85rem;
            color: var(--dark-gray);
        }

        .hero-feat-icon {
            font-size: 2rem;
            margin-bottom: 15px;
            display: inline-block;
        }

        /* About Us & Platform Intro */
        .about {
            background: var(--white);
        }

        .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: var(--dark);
        }

        .about-content p {
            color: var(--dark-gray);
            margin-bottom: 25px;
            font-size: 1.05rem;
        }

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

        .platform-feat-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .platform-feat-item i {
            font-size: 1.5rem;
            color: var(--primary);
            background: rgba(77,150,255,0.1);
            padding: 10px;
            border-radius: 10px;
        }

        .platform-feat-item h4 {
            font-size: 1rem;
            margin-bottom: 5px;
        }

        .platform-feat-item p {
            font-size: 0.85rem;
            margin: 0;
        }

        .about-stats {
            background: var(--rainbow-grad);
            padding: 40px;
            border-radius: 24px;
            color: var(--white);
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .stat-box {
            border-bottom: 1px solid rgba(255,255,255,0.2);
            padding-bottom: 20px;
        }

        .stat-box:last-child {
            border: none;
            padding: 0;
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            margin-bottom: 5px;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.95rem;
            opacity: 0.9;
        }

        /* Services的能力卡片 */
        .services {
            background: var(--light);
        }

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

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

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

        .service-card:hover {
            transform: translateY(-10px);
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 25px;
            background: var(--light);
            display: inline-flex;
            padding: 15px;
            border-radius: 16px;
        }

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

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

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

        .service-tag {
            font-size: 0.75rem;
            background: var(--light);
            padding: 4px 10px;
            border-radius: 20px;
            color: var(--dark-gray);
            font-weight: 500;
        }

        /* One-stop Production */
        .production {
            background: var(--white);
        }

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

        .prod-img-box {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 8px solid var(--white);
        }

        .prod-img-box img {
            width: 100%;
            display: block;
            object-fit: cover;
            transition: var(--transition);
        }

        .prod-img-box img:hover {
            transform: scale(1.05);
        }

        .prod-content h3 {
            font-size: 1.8rem;
            margin-bottom: 25px;
        }

        .prod-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .prod-list li {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .prod-list-icon {
            color: var(--white);
            background: var(--rainbow-grad);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }

        .prod-list-text h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .prod-list-text p {
            font-size: 0.9rem;
            color: var(--dark-gray);
        }

        /* Models Showcase Cloud (标签云) */
        .models-cloud {
            padding: 50px 0;
            background: linear-gradient(rgba(249, 250, 252, 0.8), rgba(249, 250, 252, 0.8));
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .cloud-title {
            text-align: center;
            font-size: 1.2rem;
            color: var(--dark-gray);
            margin-bottom: 30px;
            font-weight: 600;
        }

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

        .cloud-tag {
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--dark);
            box-shadow: 0 2px 5px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .cloud-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

        /* Solutions */
        .solutions {
            background: var(--light);
        }

        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .tab-btn.active, .tab-btn:hover {
            background: var(--rainbow-grad);
            color: var(--white);
            border-color: transparent;
        }

        .solutions-container {
            background: var(--white);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

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

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

        .sol-details h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
        }

        .sol-details p {
            color: var(--dark-gray);
            margin-bottom: 25px;
        }

        .sol-points {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .sol-points li {
            position: relative;
            padding-left: 20px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .sol-points li::before {
            content: "✓";
            color: var(--secondary);
            font-weight: 800;
            position: absolute;
            left: 0;
            top: 0;
        }

        /* Service Network & Time-line */
        .network-and-process {
            background: var(--white);
        }

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

        .network-box {
            background: var(--light);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 24px;
        }

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

        .network-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--white);
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .network-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary);
        }

        /* Time-line */
        .timeline {
            position: relative;
            padding-left: 30px;
            border-left: 2px dashed var(--border-color);
            margin-left: 10px;
        }

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

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-badge {
            position: absolute;
            left: -42px;
            top: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--white);
            border: 4px solid var(--primary);
            z-index: 10;
        }

        .timeline-content {
            background: var(--light);
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .timeline-content h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--dark-gray);
            margin: 0;
        }

        /* Case Studies (含图片要求) */
        .cases {
            background: var(--light);
        }

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

        .case-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
        }

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

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

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

        .case-body {
            padding: 25px;
        }

        .case-body h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .case-body p {
            font-size: 0.9rem;
            color: var(--dark-gray);
            margin-bottom: 20px;
        }

        .case-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .case-metric {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--accent1);
        }

        .case-metric-label {
            font-size: 0.75rem;
            color: var(--gray);
        }

        /* Comparison Evaluation */
        .comparison {
            background: var(--white);
        }

        .rating-hero {
            background: var(--light);
            border-radius: 24px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 50px;
            border: 1px solid var(--border-color);
        }

        .rating-info h3 {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }

        .rating-stars {
            display: flex;
            gap: 5px;
            margin-bottom: 10px;
        }

        .star {
            color: #FFD93D;
            font-size: 1.8rem;
        }

        .score-box {
            text-align: right;
        }

        .score-num {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .score-max {
            font-size: 1.2rem;
            color: var(--dark-gray);
        }

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

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

        .comparison-table th, .comparison-table td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background: var(--light);
            font-weight: 700;
        }

        .comparison-table tr:hover td {
            background: rgba(77, 150, 255, 0.02);
        }

        .badge-pro {
            background: var(--rainbow-grad);
            color: var(--white);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* Token Comparison & Price */
        .token-price {
            background: var(--light);
        }

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

        .price-card {
            background: var(--white);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            padding: 40px 30px;
            text-align: center;
            box-shadow: var(--shadow);
            position: relative;
        }

        .price-card.featured {
            border: 2px solid var(--primary);
        }

        .price-card.featured::after {
            content: '最佳性价比';
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: var(--white);
            padding: 4px 15px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 600;
        }

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

        .price-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .price-unit {
            font-size: 0.85rem;
            color: var(--dark-gray);
            margin-bottom: 25px;
        }

        .price-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .price-features li {
            font-size: 0.9rem;
            color: var(--dark-gray);
            position: relative;
            padding-left: 20px;
        }

        .price-features li::before {
            content: "✓";
            color: var(--secondary);
            position: absolute;
            left: 0;
        }

        /* Training & Certification */
        .training {
            background: var(--white);
        }

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

        .train-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

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

        .train-item {
            background: var(--light);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 16px;
            transition: var(--transition);
        }

        .train-item:hover {
            border-color: var(--primary);
            transform: translateX(5px);
        }

        .train-item h4 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .train-item p {
            font-size: 0.85rem;
            color: var(--dark-gray);
            margin: 0;
        }

        .train-badge-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 25px;
        }

        .train-badge-group span {
            background: rgba(77, 150, 255, 0.1);
            color: var(--primary);
            padding: 5px 12px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        /* Franchise / Agency */
        .franchise {
            background: linear-gradient(135deg, rgba(77, 150, 255, 0.05), rgba(185, 131, 255, 0.05));
        }

        .franchise-banner {
            background: var(--white);
            border-radius: 24px;
            padding: 50px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .franchise-banner h3 {
            font-size: 2rem;
            margin-bottom: 15px;
            background: var(--rainbow-text);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .franchise-banner p {
            max-width: 800px;
            margin: 0 auto 35px;
            color: var(--dark-gray);
            font-size: 1.1rem;
        }

        .franchise-benefits {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }

        .benefit-card {
            background: var(--light);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 16px;
        }

        .benefit-card i {
            font-size: 2rem;
            color: var(--accent1);
            margin-bottom: 15px;
            display: inline-block;
        }

        .benefit-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .benefit-card p {
            font-size: 0.85rem;
            color: var(--dark-gray);
            margin: 0;
        }

        /* User Reviews (6 Reviews) */
        .reviews {
            background: var(--light);
        }

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

        .review-card {
            background: var(--white);
            border-radius: 20px;
            padding: 35px 30px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-5px);
        }

        .review-stars {
            color: var(--accent2);
            margin-bottom: 15px;
        }

        .review-content {
            font-size: 0.95rem;
            color: var(--dark-gray);
            margin-bottom: 25px;
            line-height: 1.6;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-avatar-text {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--rainbow-grad);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }

        .user-info h4 {
            font-size: 1rem;
            margin-bottom: 3px;
        }

        .user-info p {
            font-size: 0.8rem;
            color: var(--gray);
            margin: 0;
        }

        /* Match Form & Contact Us */
        .contact {
            background: var(--white);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-box {
            background: var(--light);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 24px;
        }

        .form-box h3 {
            font-size: 1.6rem;
            margin-bottom: 25px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--white);
            font-size: 0.95rem;
            color: var(--dark);
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(77, 150, 255, 0.1);
        }

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

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

        .info-card {
            background: var(--light);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
        }

        .info-card h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
        }

        .info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .info-list li {
            font-size: 0.95rem;
            color: var(--dark-gray);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .qr-card {
            text-align: center;
            background: var(--light);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
        }

        .qr-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        .qr-wrapper {
            margin: 0 auto 15px;
            max-width: 150px;
            background: var(--white);
            padding: 10px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
        }

        .qr-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* FAQ (12 Questions) */
        .faq {
            background: var(--light);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

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

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            user-select: none;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--gray);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
            background: rgba(249, 250, 252, 0.5);
        }

        .faq-answer-inner {
            padding: 20px 24px;
            border-top: 1px solid var(--border-color);
            color: var(--dark-gray);
            font-size: 0.95rem;
        }

        /* Glossary */
        .glossary {
            background: var(--white);
        }

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

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

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

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

        .glossary-card p {
            font-size: 0.85rem;
            color: var(--dark-gray);
            margin: 0;
        }

        /* Articles & Knowledge Base */
        .articles {
            background: var(--light);
        }

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

        .article-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .article-body {
            padding: 20px;
        }

        .article-date {
            font-size: 0.75rem;
            color: var(--gray);
            margin-bottom: 10px;
            display: block;
        }

        .article-body h3 {
            font-size: 0.95rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .article-link {
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--primary);
            padding: 15px 20px;
            border-top: 1px solid var(--border-color);
        }

        /* Footer & Links */
        footer {
            background: var(--dark);
            color: #CCCCCC;
            padding: 60px 0 20px;
        }

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

        .footer-logo {
            
            height: 40px;
            margin-bottom: 20px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: #CCCCCC;
            font-size: 0.9rem;
        }

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

        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 0.9rem;
        }

        .footer-contact strong {
            color: var(--white);
        }

        /* Friend Links */
        .friend-links-box {
            border-top: 1px solid rgba(255,255,255,0.1);
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
            margin-bottom: 20px;
        }

        .friend-links-box h4 {
            color: var(--white);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

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

        .friend-links-wrap a {
            color: #999;
            font-size: 0.85rem;
        }

        .friend-links-wrap a:hover {
            color: var(--white);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: #777777;
        }

        /* Floating Widgets */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--white);
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.05);
            border-color: var(--primary);
        }

        .float-kefu:hover .kefu-qr-popup {
            opacity: 1;
            visibility: visible;
            transform: translateX(0);
        }

        .kefu-qr-popup {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            opacity: 0;
            visibility: hidden;
            transform: translateX(10px);
            transition: var(--transition);
            text-align: center;
            width: 150px;
        }

        .kefu-qr-popup img {
            width: 100%;
            height: auto;
            margin-bottom: 5px;
        }

        .kefu-qr-popup p {
            font-size: 0.75rem;
            color: var(--dark);
            margin: 0;
        }

        .back-to-top {
            display: none;
            background: var(--rainbow-grad);
            color: var(--white);
            border: none;
            font-weight: 700;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .services-grid, .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .articles-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-features, .franchise-benefits {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .about-grid, .prod-grid, .sol-pane, .grid-split, .train-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 30px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow);
                display: none;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 10px 0;
            }
            .services-grid, .cases-grid, .reviews-grid, .articles-grid, .hero-features, .franchise-benefits {
                grid-template-columns: 1fr;
            }
            .rating-hero {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }
            .score-box {
                text-align: center;
            }
        }

        /* Animation */
        @keyframes pulse {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(107, 203, 119, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(107, 203, 119, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(107, 203, 119, 0); }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }