/* CSS reset & variables */
        :root {
            --brand-yellow: #FFD300;
            --brand-yellow-hover: #E6BD00;
            --dark-gray: #1E2022;
            --text-dark: #2C3E50;
            --text-muted: #6C7A89;
            --bg-light: #F7F9FB;
            --bg-white: #FFFFFF;
            --border-color: #E2E8F0;
            --transition-speed: 0.3s;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
        }

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

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

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

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        /* Section Title Styling */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.25rem;
            color: var(--dark-gray);
            font-weight: 800;
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--brand-yellow);
            border-radius: 2px;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-top: 15px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            border-radius: 8px;
            transition: all var(--transition-speed) ease;
            text-decoration: none;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--brand-yellow);
            color: var(--dark-gray);
            box-shadow: 0 4px 12px rgba(255, 211, 0, 0.25);
        }

        .btn-primary:hover {
            background-color: var(--brand-yellow-hover);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: var(--dark-gray);
            color: #fff;
        }

        .btn-secondary:hover {
            background-color: #333;
            transform: translateY(-2px);
        }

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

        .btn-outline:hover {
            background-color: var(--dark-gray);
            color: #fff;
            transform: translateY(-2px);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

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

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

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

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color var(--transition-speed);
        }

        .nav-menu a:hover {
            color: var(--brand-yellow-hover);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark-gray);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* Hero Section (Strictly NO Images) */
        .hero-section {
            background: linear-gradient(135deg, #111115 0%, #1e1e24 100%);
            color: #fff;
            padding: 120px 0 90px;
            text-align: center;
            position: relative;
            overflow: hidden;
            border-bottom: none;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle at 20% 30%, rgba(255, 211, 0, 0.15) 0%, transparent 50%),
                              radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-badge {
            background-color: rgba(255, 211, 0, 0.15);
            color: var(--brand-yellow);
            border: 1px solid var(--brand-yellow);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block;
            margin-bottom: 25px;
        }

        .hero-section h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 25px;
            letter-spacing: -0.5px;
            color: #fff;
        }

        .hero-section h1 span {
            color: var(--brand-yellow);
        }

        .hero-section p.hero-desc {
            font-size: 1.25rem;
            max-width: 800px;
            margin: 0 auto 40px;
            color: #cbd5e1;
            line-height: 1.8;
        }

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

        .hero-btns .btn-visit {
            background-color: transparent;
            border: 2px solid var(--brand-yellow);
            color: var(--brand-yellow);
        }

        .hero-btns .btn-visit:hover {
            background-color: var(--brand-yellow);
            color: var(--dark-gray);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 40px;
        }

        .stat-card h3 {
            font-size: 2rem;
            color: var(--brand-yellow);
            font-weight: 700;
            margin-bottom: 5px;
        }

        .stat-card p {
            color: #94a3b8;
            font-size: 0.9rem;
        }

        /* Section: About Us & Software Intro */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

        .about-content p {
            color: var(--text-dark);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .platform-intro-box {
            background-color: var(--bg-white);
            border-left: 5px solid var(--brand-yellow);
            padding: 24px;
            border-radius: 0 12px 12px 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
        }

        .platform-intro-box h4 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .platform-intro-box ul {
            list-style: none;
        }

        .platform-intro-box li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }

        .platform-intro-box li::before {
            content: '✓';
            color: var(--brand-yellow-hover);
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        /* Service Cards & Supporting Models */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .service-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 35px 25px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
            transition: all var(--transition-speed);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
            border-color: var(--brand-yellow);
        }

        .service-card:hover::before {
            background-color: var(--brand-yellow);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(255, 211, 0, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark-gray);
        }

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

        .model-support-box {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.04);
            text-align: center;
        }

        .model-support-box h3 {
            margin-bottom: 25px;
            font-size: 1.4rem;
        }

        .model-tags-wrap {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .model-tag {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-dark);
            transition: all 0.2s;
        }

        .model-tag:hover {
            background-color: var(--brand-yellow);
            border-color: var(--brand-yellow);
            color: var(--dark-gray);
        }

        /* Flow & Timeline */
        .process-flow {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-bottom: 50px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .process-step {
            flex: 1;
            min-width: 200px;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--brand-yellow);
            color: var(--dark-gray);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 20px;
        }

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

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

        /* Solutions Grids */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-item {
            background-color: var(--bg-white);
            border-radius: 12px;
            padding: 30px;
            display: flex;
            gap: 20px;
            border: 1px solid var(--border-color);
        }

        .solution-icon-side {
            font-size: 2rem;
            line-height: 1;
            padding-top: 5px;
        }

        .solution-desc h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--dark-gray);
        }

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

        /* Network & Technical Standards */
        .network-standards-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
        }

        .network-panel, .standards-panel {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
        }

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

        .standards-list li {
            display: flex;
            justify-content: space-between;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .standards-list li:last-child {
            border-bottom: none;
        }

        .standards-label {
            font-weight: 600;
            color: var(--dark-gray);
        }

        .standards-val {
            color: var(--text-muted);
        }

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

        .network-node {
            background-color: var(--bg-light);
            border-radius: 8px;
            padding: 15px;
            border-left: 4px solid var(--brand-yellow);
        }

        .network-node h4 {
            font-size: 1rem;
            margin-bottom: 5px;
        }

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

        /* Cases Grid (With specified images) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }

        .case-img-container {
            width: 100%;
            height: 240px;
            overflow: hidden;
            position: relative;
            background-color: #eaeaea;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-speed) ease;
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 25px;
        }

        .case-info h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--dark-gray);
        }

        .case-info p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .case-badge {
            background-color: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 4px 12px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        .square-case-grid {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 30px;
            margin-top: 30px;
        }

        .square-case-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
        }

        .square-case-img {
            width: 180px;
            height: 180px;
            flex-shrink: 0;
            overflow: hidden;
        }

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

        .square-case-details {
            padding: 25px;
        }

        /* Review Section */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            font-style: italic;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 45px;
            height: 45px;
            background-color: var(--brand-yellow);
            color: var(--dark-gray);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .author-meta h4 {
            font-size: 0.95rem;
            color: var(--dark-gray);
        }

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

        /* Comparison Section */
        .compare-card {
            background-color: var(--bg-white);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        .compare-score-box {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--dark-gray);
            color: #fff;
            padding: 20px 40px;
            border-radius: 12px;
            margin-bottom: 35px;
        }

        .score-info h3 {
            font-size: 1.1rem;
            color: #a1a1aa;
        }

        .score-info p {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--brand-yellow);
        }

        .score-stars {
            font-size: 1.8rem;
            color: var(--brand-yellow);
        }

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

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

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

        .compare-table th {
            background-color: var(--bg-light);
            font-weight: 700;
            color: var(--dark-gray);
        }

        .compare-table td.highlight-cell {
            background-color: rgba(255, 211, 0, 0.05);
            font-weight: 600;
        }

        /* Token Price Compare */
        .token-compare-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
        }

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

        .token-info-card {
            background-color: var(--dark-gray);
            color: #fff;
            border-radius: 16px;
            padding: 35px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .token-info-card h3 {
            color: var(--brand-yellow);
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .token-info-card p {
            color: #cbd5e1;
            margin-bottom: 25px;
            font-size: 0.95rem;
        }

        /* Professional Training (工信部) */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px 20px;
            text-align: center;
            transition: all var(--transition-speed);
        }

        .training-card:hover {
            border-color: var(--brand-yellow);
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }

        .training-icon {
            font-size: 2.2rem;
            margin-bottom: 15px;
            display: block;
        }

        .training-card h4 {
            font-size: 1.05rem;
            color: var(--dark-gray);
            margin-bottom: 10px;
        }

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

        /* FAQs & Accordion */
        .faq-accordion {
            max-width: 900px;
            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: all var(--transition-speed);
        }

        .faq-trigger {
            width: 100%;
            padding: 20px 25px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark-gray);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.4rem;
            transition: transform var(--transition-speed);
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-speed) ease-out;
            background-color: #fafbfd;
        }

        .faq-content p {
            padding: 20px 25px;
            color: var(--text-dark);
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

        /* Glossary & Help Desk */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .glossary-card {
            background-color: var(--bg-white);
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .glossary-card h4 {
            font-size: 1.1rem;
            color: var(--dark-gray);
            margin-bottom: 10px;
            border-bottom: 2px solid var(--brand-yellow);
            display: inline-block;
            padding-bottom: 4px;
        }

        .glossary-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 10px;
        }

        /* Articles / Knowledge Base */
        .article-section {
            background-color: var(--bg-white);
        }

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

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

        .article-card:hover {
            border-color: var(--brand-yellow);
        }

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

        .article-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

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

        .article-link:hover {
            color: var(--brand-yellow-hover);
        }

        /* Lead Form & Contact Us */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .form-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--dark-gray);
        }

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

        .form-control:focus {
            border-color: var(--brand-yellow);
        }

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

        .contact-info-panel {
            background-color: var(--dark-gray);
            color: #fff;
            border-radius: 16px;
            padding: 45px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-panel h3 {
            color: var(--brand-yellow);
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .contact-details {
            list-style: none;
            margin-bottom: 30px;
        }

        .contact-details li {
            margin-bottom: 15px;
            font-size: 0.95rem;
            color: #cbd5e1;
        }

        .qr-wrapper {
            display: flex;
            gap: 20px;
            align-items: center;
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 12px;
        }

        .qr-wrapper img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            background-color: #fff;
            padding: 5px;
        }

        .qr-text h5 {
            font-size: 1rem;
            color: var(--brand-yellow);
            margin-bottom: 5px;
        }

        .qr-text p {
            font-size: 0.8rem;
            color: #94a3b8;
        }

        /* Footer & Friend Links */
        .site-footer {
            background-color: #111115;
            color: #a1a1aa;
            padding: 60px 0 30px;
            border-top: 1px solid #27272a;
        }

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

        .footer-logo-desc img {
            height: 45px;
            margin-bottom: 15px;
        }

        .footer-links-col h4, .footer-contact-col h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

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

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

        .footer-links-col a {
            color: #a1a1aa;
            text-decoration: none;
            transition: color var(--transition-speed);
        }

        .footer-links-col a:hover {
            color: var(--brand-yellow);
        }

        .friend-links-box {
            border-top: 1px solid #27272a;
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links-box h5 {
            color: #fff;
            margin-bottom: 15px;
        }

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

        .friend-links-wrap a {
            color: #71717a;
            text-decoration: none;
            font-size: 0.85rem;
            transition: color var(--transition-speed);
        }

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

        .footer-copyright {
            text-align: center;
            border-top: 1px solid #27272a;
            padding-top: 25px;
            font-size: 0.8rem;
            color: #71717a;
        }

        .footer-copyright a {
            color: #71717a;
            text-decoration: none;
        }

        .footer-copyright a:hover {
            color: var(--brand-yellow);
        }

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

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--dark-gray);
            border: 2px solid var(--brand-yellow);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            transition: all var(--transition-speed);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--brand-yellow);
            color: var(--dark-gray);
            transform: scale(1.05);
        }

        .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.15);
            border: 1px solid var(--border-color);
            display: none;
            text-align: center;
        }

        .float-qr img {
            width: 120px;
            height: 120px;
            display: block;
            margin-bottom: 5px;
        }

        .float-qr span {
            font-size: 0.75rem;
            color: var(--dark-gray);
            font-weight: bold;
        }

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

        /* Responsive Layouts */
        @media (max-width: 1024px) {
            .about-grid, .network-standards-grid, .token-compare-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .service-grid, .reviews-grid, .articles-grid, .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .square-case-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            }
            .nav-menu.show {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .reviews-grid, .articles-grid, .training-grid, .glossary-grid {
                grid-template-columns: 1fr;
            }
            .solutions-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
        }