/* CSS Reset & Variables */
        :root {
            --primary: #FF6B8B;
            --primary-light: #FF8E9C;
            --secondary: #4D96FF;
            --secondary-light: #6BCBFF;
            --accent: #2EECB7;
            --accent-light: #85F4D6;
            --warning: #FFD93D;
            --dark: #2D3748;
            --light-bg: #FAF9F6;
            --white: #FFFFFF;
            --gray-100: #F7FAFC;
            --gray-200: #EDF2F7;
            --gray-300: #E2E8F0;
            --gray-600: #4A5568;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 20px 25px -5px rgba(255, 107, 139, 0.15), 0 10px 10px -5px rgba(77, 150, 255, 0.1);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--light-bg);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 800;
            color: var(--dark);
            line-height: 1.3;
        }

        h2 {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        h2::after {
            content: '';
            display: block;
            width: 60%;
            height: 6px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 3px;
            margin: 8px auto 0;
        }

        p {
            color: var(--gray-600);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 700;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--white);
            box-shadow: 0 8px 20px rgba(255, 107, 139, 0.3);
        }

        .btn-primary:hover {
            box-shadow: 0 12px 24px rgba(255, 107, 139, 0.5);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: var(--white);
            box-shadow: 0 8px 20px rgba(77, 150, 255, 0.3);
        }

        .btn-secondary:hover {
            box-shadow: 0 12px 24px rgba(77, 150, 255, 0.5);
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: var(--dark);
            box-shadow: 0 8px 20px rgba(46, 236, 183, 0.3);
        }

        /* Header Navigation */
        .site-header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--gray-200);
            padding: 15px 0;
        }

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

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

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

        .brand-text {
            font-size: 1.4rem;
            font-weight: 850;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            font-weight: 600;
            color: var(--dark);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
        }

        .nav-menu a:hover {
            background-color: var(--gray-100);
            color: var(--primary);
        }

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            transition: all 0.3s ease;
        }

        /* Hero Section (No images) */
        .hero {
            padding: 100px 0 80px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 107, 139, 0.08) 0%, rgba(77, 150, 255, 0.08) 90.1%);
            position: relative;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50px;
            left: -50px;
            width: 200px;
            height: 200px;
            background: var(--warning);
            filter: blur(100px);
            opacity: 0.3;
            z-index: 0;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -50px;
            right: -50px;
            width: 300px;
            height: 300px;
            background: var(--accent);
            filter: blur(120px);
            opacity: 0.3;
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 850px;
            margin: 0 auto;
        }

        .hero-badge {
            background-color: rgba(255, 107, 139, 0.1);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 107, 139, 0.2);
        }

        .hero-title-main {
            font-size: 2.8rem;
            color: var(--dark);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--gray-600);
            margin-bottom: 35px;
            font-weight: 500;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

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

        /* Data Metrics Grid */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .metric-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border-top: 4px solid var(--primary);
            transition: transform 0.3s ease;
        }

        .metric-card:nth-child(2) { border-top-color: var(--secondary); }
        .metric-card:nth-child(3) { border-top-color: var(--accent); }
        .metric-card:nth-child(4) { border-top-color: var(--warning); }

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

        .metric-num {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 5px;
            background: linear-gradient(135deg, var(--dark), var(--gray-600));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .metric-label {
            font-size: 0.95rem;
            color: var(--gray-600);
            font-weight: 600;
        }

        /* About Us Section */
        .about-section {
            background-color: var(--white);
        }

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

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .about-feat-item {
            background-color: var(--gray-100);
            padding: 20px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--secondary);
        }

        .about-feat-item h4 {
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

        .about-feat-item p {
            font-size: 0.9rem;
        }

        /* Services Cards */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .service-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 35px 25px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--gray-200);
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 6px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

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

        .service-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(77, 150, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--secondary);
            font-size: 1.5rem;
            font-weight: bold;
        }

        .service-card:nth-child(2n) .service-icon {
            background-color: rgba(255, 107, 139, 0.1);
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        /* Support Platforms Tag Cloud */
        .platforms-box {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            margin-top: 50px;
            border: 1px solid var(--gray-200);
        }

        .platforms-box h3 {
            text-align: center;
            margin-bottom: 25px;
            font-size: 1.4rem;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .tag-item {
            background-color: var(--gray-100);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--gray-600);
            transition: all 0.2s ease;
            border: 1px solid var(--gray-200);
        }

        .tag-item:hover {
            background-color: var(--primary);
            color: var(--white);
            transform: scale(1.05);
            border-color: var(--primary);
        }

        /* One-stop Production & Solutions & Service Network */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .solution-card {
            background: linear-gradient(180deg, var(--white), var(--gray-100));
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            transition: all 0.3s;
        }

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

        .network-section {
            background-color: var(--white);
            text-align: center;
        }

        .network-map {
            margin-top: 30px;
            background: radial-gradient(circle, rgba(237,242,247,0.5) 0%, rgba(255,255,255,1) 70%);
            padding: 40px;
            border-radius: var(--radius-lg);
        }

        .network-nodes {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .node {
            background-color: var(--white);
            padding: 12px 25px;
            border-radius: 50px;
            border: 1px solid var(--gray-200);
            box-shadow: var(--shadow-sm);
            font-weight: 700;
            color: var(--dark);
        }

        /* Timeline / Standardized Process */
        .process-timeline {
            position: relative;
            max-width: 800px;
            margin: 50px auto 0;
            padding: 20px 0;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background-color: var(--gray-300);
            transform: translateX(-50%);
        }

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

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

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

        .timeline-badge {
            position: absolute;
            top: 5px;
            right: -20px;
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            border-radius: 50%;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: bold;
            box-shadow: 0 0 0 5px var(--white);
        }

        .timeline-item:nth-child(even) .timeline-badge {
            left: -20px;
            background-color: var(--secondary);
        }

        .timeline-content {
            background-color: var(--white);
            padding: 25px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            display: inline-block;
            width: 100%;
        }

        /* Case Studies (Images) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .case-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s;
        }

        .case-card:hover {
            transform: scale(1.03);
        }

        .case-img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: var(--gray-200);
        }

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

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

        /* Comparison Board */
        .comparison-section {
            background-color: var(--white);
        }

        .score-box {
            text-align: center;
            margin-bottom: 40px;
        }

        .stars {
            color: var(--warning);
            font-size: 2rem;
            margin-bottom: 5px;
        }

        .rating-num {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
        }

        .rating-desc {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--gray-600);
        }

        .comp-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background-color: var(--white);
            min-width: 600px;
        }

        .comp-table th, .comp-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--gray-200);
        }

        .comp-table th {
            background-color: var(--gray-100);
            font-weight: 700;
        }

        .comp-table tr:hover {
            background-color: var(--gray-100);
        }

        .tag-yes {
            color: #2EECB7;
            font-weight: 700;
        }

        .tag-no {
            color: #FF6B8B;
            font-weight: 700;
        }

        /* Smart Match (Interactive Questionnaire) & Token Match */
        .smart-panel {
            background: linear-gradient(135deg, rgba(77, 150, 255, 0.05), rgba(255, 107, 139, 0.05));
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--gray-200);
        }

        .match-form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group label {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .form-group input, .form-group select, .form-group textarea {
            padding: 12px;
            border: 1px solid var(--gray-300);
            border-radius: var(--radius-sm);
            font-family: inherit;
            background-color: var(--white);
            font-size: 1rem;
            transition: border-color 0.2s;
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
        }

        .form-full {
            grid-column: span 2;
        }

        .form-submit-wrap {
            grid-column: span 2;
            text-align: center;
            margin-top: 20px;
        }

        /* Token Pricing List */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .token-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 25px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            text-align: center;
        }

        .token-price {
            font-size: 1.8rem;
            color: var(--primary);
            font-weight: 800;
            margin: 15px 0;
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .train-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border-left: 6px solid var(--primary);
        }

        .train-card:nth-child(even) {
            border-left-color: var(--secondary);
        }

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

        .faq-wrap {
            max-width: 850px;
            margin: 40px auto 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--gray-200);
            padding: 15px 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            padding: 10px 0;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            color: var(--gray-600);
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            margin-top: 10px;
        }

        .faq-icon {
            font-size: 1.3rem;
            transition: transform 0.3s;
        }

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

        /* Glossary */
        .glossary-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .gloss-card {
            background-color: var(--white);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--gray-200);
        }

        /* Article List */
        .article-section {
            background-color: var(--white);
        }

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

        .art-card {
            background-color: var(--gray-100);
            border-radius: var(--radius-md);
            padding: 25px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s;
        }

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

        .art-date {
            font-size: 0.85rem;
            color: var(--gray-600);
        }

        .art-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 10px 0;
        }

        .art-link {
            color: var(--secondary);
            font-weight: 700;
            display: inline-block;
            margin-top: 10px;
        }

        /* User Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .review-card {
            background-color: var(--white);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            position: relative;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-top: 20px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            background-color: var(--primary-light);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .review-card:nth-child(even) .user-avatar {
            background-color: var(--secondary-light);
        }

        .user-meta h4 {
            font-size: 0.95rem;
        }

        .user-meta p {
            font-size: 0.8rem;
        }

        /* Footer & Contact info */
        .site-footer {
            background-color: var(--dark);
            color: var(--gray-300);
            padding: 60px 0 20px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo-desc h3 {
            color: var(--white);
            margin-bottom: 15px;
        }

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

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

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

        .footer-links a {
            color: var(--gray-300);
        }

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

        .qrcode-wrap {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .qrcode-wrap img {
            width: 120px;
            height: 120px;
            border-radius: var(--radius-sm);
            background-color: var(--white);
            padding: 5px;
        }

        .friend-links {
            border-top: 1px solid var(--gray-600);
            padding-top: 20px;
            margin-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.9rem;
        }

        .friend-links a {
            color: var(--gray-300);
        }

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

        .copyright-bar {
            border-top: 1px solid var(--gray-600);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
        }

        /* Floating Contact Box */
        .floating-kefu {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            background-color: var(--white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-lg);
            padding: 15px;
            text-align: center;
            border: 2px solid var(--primary);
            max-width: 140px;
        }

        .floating-kefu img {
            width: 100px;
            height: 100px;
            margin-bottom: 8px;
        }

        .floating-kefu p {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--dark);
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .metrics-grid, .services-grid, .solutions-grid, .cases-grid, .reviews-grid, .token-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .glossary-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .hero-title-main {
                font-size: 2.2rem;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 76px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                padding: 20px;
                border-bottom: 1px solid var(--gray-200);
                box-shadow: var(--shadow-md);
            }
            .nav-menu.show {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .about-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .process-timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }
            .timeline-badge {
                left: 0 !important;
            }
            .timeline-item:nth-child(even) {
                left: 0;
            }
            .metrics-grid, .services-grid, .solutions-grid, .cases-grid, .reviews-grid, .token-grid, .articles-grid, .glossary-wrap {
                grid-template-columns: 1fr;
            }
            .match-form-grid {
                grid-template-columns: 1fr;
            }
            .form-full, .form-submit-wrap {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }