/* CSS Reset & Variables */
        :root {
            --primary: #0d9488;
            --primary-light: #06b6d4;
            --secondary: #0f172a;
            --text-main: #334155;
            --text-dark: #0f172a;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --bg-teal-light: #f0fdfa;
            --accent: #2563eb;
            --border-color: #e2e8f0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-w: 1200px;
        }

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

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

        body {
            overflow-x: hidden;
        }

        /* Common Layout Utilities */
        .container {
            width: 100%;
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

        .section-title h2 {
            font-size: 2.2rem;
            color: var(--text-dark);
            margin-bottom: 15px;
            font-weight: 700;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            display: block;
            width: 50%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--primary-light));
            margin: 8px auto 0;
            border-radius: 2px;
        }

        .section-title p {
            font-size: 1.1rem;
            color: #64748b;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: var(--bg-white);
            box-shadow: 0 4px 15px rgba(13, 148, 136, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(13, 148, 136, 0.4);
            filter: brightness(1.05);
        }

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

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

        /* Header & Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

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

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

        .logo-wrap img {
            height: 45px;
            width: auto;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 8px 12px;
            border-radius: 4px;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary);
            background-color: var(--bg-teal-light);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .nav-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            margin: 5px 0;
            transition: var(--transition);
        }

        /* Hero Section (No Images allowed in Hero) */
        .hero-section {
            padding-top: 160px;
            padding-bottom: 100px;
            background: linear-gradient(135deg, #f0fdf4 0%, #ecfeff 50%, #e0f2fe 100%);
            display: flex;
            align-items: center;
            min-height: calc(100vh - 80px);
            overflow: hidden;
        }

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

        .hero-content h1 {
            font-size: 2.8rem;
            line-height: 1.25;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-main);
            margin-bottom: 35px;
            line-height: 1.6;
        }

        .hero-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-tag {
            background-color: rgba(255, 255, 255, 0.7);
            border: 1px solid var(--border-color);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* CSS-based Tech Abstract Graphic for Hero (No Images) */
        .hero-graphic {
            position: relative;
            width: 100%;
            height: 380px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .tech-circle {
            position: absolute;
            border: 2px dashed rgba(13, 148, 136, 0.2);
            border-radius: 50%;
            animation: rotate 20s linear infinite;
        }

        .tech-circle-1 { width: 320px; height: 320px; }
        .tech-circle-2 { width: 220px; height: 220px; animation-direction: reverse; }
        .tech-circle-3 { 
            width: 120px; 
            height: 120px; 
            background: linear-gradient(135deg, rgba(13, 148, 136, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
            border: 1px solid rgba(13, 148, 136, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .tech-core {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: 50%;
            box-shadow: 0 0 30px rgba(13, 148, 136, 0.6);
            animation: pulse 2s infinite ease-in-out;
        }

        /* Data Counter Section */
        .data-section {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 40px 0;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .data-card h3 {
            font-size: 2.5rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 5px;
        }

        .data-card p {
            color: #64748b;
            font-size: 0.95rem;
        }

        /* Platform Intro Section */
        .about-section {
            background-color: var(--bg-white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

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

        .about-features {
            list-style: none;
            margin: 25px 0;
        }

        .about-features li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
            font-size: 1rem;
        }

        .about-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 2px;
            width: 20px;
            height: 20px;
            background-color: var(--bg-teal-light);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.75rem;
        }

        .models-marquee {
            background-color: var(--bg-light);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .models-title {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: #64748b;
            margin-bottom: 20px;
            font-weight: 600;
        }

        .models-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .model-chip {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 8px 10px;
            border-radius: 6px;
            text-align: center;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
        }

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

        /* Services的能力卡片 */
        .service-section {
            background-color: var(--bg-light);
        }

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

        .service-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 35px 30px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border-color: var(--primary-light);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--bg-teal-light);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            color: var(--text-dark);
            margin-bottom: 15px;
        }

        .service-card p {
            color: #64748b;
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* Step by Step Flow & Tech Standards */
        .flow-section {
            background-color: var(--bg-white);
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .flow-card {
            position: relative;
            text-align: center;
            padding: 30px 20px;
        }

        .flow-num {
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 20px;
            position: relative;
            z-index: 2;
        }

        .flow-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .flow-card p {
            font-size: 0.85rem;
            color: #64748b;
        }

        /* Solutions & Service Network */
        .solutions-section {
            background-color: var(--bg-light);
        }

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

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

        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 35px rgba(0,0,0,0.06);
        }

        .solution-body {
            padding: 30px;
        }

        .solution-body h3 {
            font-size: 1.3rem;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .solution-body p {
            color: #64748b;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        /* CSS CSS Service Network (Map mockup) */
        .network-wrap {
            margin-top: 50px;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 40px;
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .network-map {
            flex: 1;
            height: 250px;
            background: radial-gradient(circle, rgba(13, 148, 136, 0.05) 0%, rgba(255,255,255,1) 70%);
            border: 1px dashed var(--border-color);
            border-radius: 8px;
            position: relative;
        }

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

        .map-dot::after {
            content: '';
            position: absolute;
            width: 24px;
            height: 24px;
            border: 1px solid var(--primary);
            border-radius: 50%;
            top: -8px;
            left: -8px;
            animation: pulse 2s infinite;
        }

        /* Evaluation Section */
        .eval-section {
            background-color: var(--bg-white);
        }

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

        .eval-score-card {
            background: linear-gradient(135deg, var(--secondary) 0%, #1e293b 100%);
            color: var(--bg-white);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
        }

        .eval-score-card .score-num {
            font-size: 4.5rem;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 10px;
        }

        .eval-stars {
            color: #fbbf24;
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--bg-white);
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 0.9rem;
            min-width: 600px;
        }

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

        .eval-table th {
            background-color: var(--bg-light);
            font-weight: 600;
            color: var(--text-dark);
        }

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

        .highlight-cell {
            background-color: var(--bg-teal-light);
            color: var(--primary);
            font-weight: 600;
        }

        /* Token Price Section */
        .token-section {
            background-color: var(--bg-light);
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .token-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            padding: 30px;
            transition: var(--transition);
        }

        .token-card.popular {
            border-color: var(--primary);
            position: relative;
            transform: scale(1.03);
        }

        .token-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background-color: var(--primary);
            color: var(--bg-white);
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .token-card h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .token-price {
            font-size: 2rem;
            color: var(--primary);
            font-weight: 700;
            margin: 15px 0;
        }

        .token-price span {
            font-size: 0.9rem;
            color: #64748b;
        }

        .token-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .token-features li {
            padding: 8px 0;
            font-size: 0.85rem;
            border-bottom: 1px dashed var(--border-color);
        }

        /* Training Section */
        .training-section {
            background-color: var(--bg-white);
        }

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

        .training-card {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 25px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            background-color: var(--bg-teal-light);
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .training-card h3 {
            font-size: 1.1rem;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .training-card p {
            font-size: 0.8rem;
            color: #64748b;
        }

        /* Case Center */
        .case-section {
            background-color: var(--bg-light);
        }

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

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

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

        .case-img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #e2e8f0;
        }

        .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: 25px;
        }

        .case-info h3 {
            font-size: 1.15rem;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 0.85rem;
            color: #64748b;
        }

        /* Client Comments */
        .comments-section {
            background-color: var(--bg-white);
        }

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

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

        .comment-card p {
            font-style: italic;
            font-size: 0.95rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

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

        .comment-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .comment-user-info h4 {
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        .comment-user-info span {
            font-size: 0.8rem;
            color: #64748b;
        }

        /* FAQ Section */
        .faq-section {
            background-color: var(--bg-light);
        }

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

        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 24px;
            background-color: #fafafa;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 20px 24px;
            border-top: 1px solid var(--border-color);
        }

        /* Troubleshooting & Wiki */
        .wiki-section {
            background-color: var(--bg-white);
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .trouble-list {
            background-color: var(--bg-light);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .trouble-list h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .trouble-item {
            margin-bottom: 15px;
        }

        .trouble-item h4 {
            font-size: 0.95rem;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        .trouble-item p {
            font-size: 0.85rem;
            color: #64748b;
        }

        .wiki-wrap h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .wiki-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .wiki-chip {
            background-color: var(--bg-teal-light);
            border: 1px solid rgba(13, 148, 136, 0.2);
            color: var(--primary);
            padding: 10px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* Articles Section */
        .articles-section {
            background-color: var(--bg-light);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .article-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h3 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .article-card p {
            font-size: 0.9rem;
            color: #64748b;
            margin-bottom: 20px;
        }

        .article-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* Contact & Form Section */
        .contact-section {
            background-color: var(--bg-white);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
        }

        .contact-form-wrap {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
        }

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

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            margin-bottom: 20px;
        }

        .contact-item h4 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        .contact-item p {
            color: #64748b;
        }

        .agent-card {
            background-color: var(--bg-teal-light);
            border: 1px dashed var(--primary);
            border-radius: 12px;
            padding: 25px;
            margin-top: 30px;
        }

        .agent-card h3 {
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .qr-wrap {
            display: flex;
            gap: 20px;
            align-items: center;
            margin-top: 20px;
        }

        .qr-wrap img {
            width: 120px;
            height: 120px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 5px;
            background-color: #fff;
        }

        /* Footer */
        footer {
            background-color: var(--secondary);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-logo p {
            line-height: 1.6;
        }

        .footer-links h3 {
            color: var(--bg-white);
            font-size: 1rem;
            margin-bottom: 20px;
        }

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

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

        .footer-links ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links ul li a:hover {
            color: var(--primary-light);
        }

        .footer-friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 15px;
        }

        .footer-friend-links a {
            color: #64748b;
            text-decoration: none;
            font-size: 0.8rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* Floating Customer Service */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary-light);
            transform: translateY(-3px);
        }

        .float-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
        }

        .float-qr img {
            width: 120px;
            height: 120px;
            display: block;
        }

        .float-qr span {
            color: var(--text-dark);
            font-size: 0.75rem;
            margin-top: 5px;
            display: block;
        }

        .float-btn:hover .float-qr {
            display: block;
        }

        /* Animations */
        @keyframes rotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes pulse {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(13, 148, 136, 0.4); }
            70% { transform: scale(1); box-shadow: 0 0 0 15px rgba(13, 148, 136, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(13, 148, 136, 0); }
        }

        /* Mobile Responsive */
        @media (max-width: 992px) {
            .hero-grid, .about-grid, .eval-grid, .wiki-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-graphic {
                display: none; /* Hide hero CSS graphic on small screens for better spacing */
            }

            .service-grid, .solutions-grid, .token-grid, .comments-grid {
                grid-template-columns: 1fr 1fr;
            }

            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 40px 20px;
                transition: var(--transition);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

            .nav-menu.active {
                left: 0;
            }

            .nav-toggle {
                display: block;
            }

            .nav-cta {
                display: none;
            }

            .token-card.popular {
                transform: none;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }

            .section-title h2 {
                font-size: 1.8rem;
            }

            .hero-content h1 {
                font-size: 2.2rem;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-grid, .solutions-grid, .token-grid, .comments-grid, .flow-grid, .articles-grid {
                grid-template-columns: 1fr;
            }

            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .network-wrap {
                flex-direction: column;
                padding: 20px;
            }
        }