:root {
            --primary: #FF6A00;
            --primary-hover: #E05D00;
            --primary-light: #FFF0E6;
            --secondary: #FF4500;
            --text-main: #2C3E50;
            --text-muted: #7F8C8D;
            --bg-light: #FDFBF7;
            --bg-white: #FFFFFF;
            --bg-gray: #F8F9FA;
            --border-color: #EAEAEA;
            --transition: all 0.3s ease;
            --shadow: 0 4px 20px rgba(255, 106, 0, 0.08);
            --shadow-hover: 0 10px 30px rgba(255, 106, 0, 0.15);
        }

        /* Reset & Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.6;
            font-size: 16px;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-hover);
        }

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            color: #1A1A1A;
            line-height: 1.3;
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
            color: #1A1A1A;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

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

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            outline: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #FFFFFF;
            box-shadow: 0 4px 15px rgba(255, 70, 0, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 70, 0, 0.4);
            color: #FFFFFF;
        }

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

        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .brand-name {
            font-size: 1.4rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 25px;
        }

        .nav-link {
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
            position: relative;
            padding: 8px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

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

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

        /* Hero Section (No Images!) */
        .hero-section {
            padding: 100px 0 80px;
            background: radial-gradient(circle at top right, rgba(255, 106, 0, 0.08), transparent 40%),
                        radial-gradient(circle at bottom left, rgba(255, 69, 0, 0.05), transparent 45%);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 25px;
            border: 1px solid rgba(255, 106, 0, 0.15);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        .hero-title {
            font-size: 3rem;
            color: #111111;
            margin-bottom: 25px;
            line-height: 1.25;
            letter-spacing: -0.5px;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

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

        /* Stats Cards (Integrated with Hero) */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }

        .stats-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px 20px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .stats-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stats-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }

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

        /* About Section */
        .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: #1A1A1A;
        }

        .about-content p {
            color: var(--text-main);
            margin-bottom: 20px;
            line-height: 1.8;
        }

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

        .about-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .about-feature-item svg {
            color: var(--primary);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .about-feature-text h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }

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

        .about-visual {
            background: linear-gradient(135deg, var(--primary-light), #FFEBDD);
            border-radius: 20px;
            padding: 40px;
            border: 1px dashed rgba(255, 106, 0, 0.3);
            text-align: center;
        }

        .visual-badge {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 15px;
        }

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

        .service-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px 25px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 106, 0, 0.2);
        }

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

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 12px;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
        }

        .service-icon svg {
            width: 30px;
            height: 30px;
        }

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

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* Model Aggregation / Badges */
        .model-cloud-section {
            background-color: var(--bg-white);
        }

        .model-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .model-tag {
            background-color: var(--bg-gray);
            border: 1px solid var(--border-color);
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
            cursor: default;
        }

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

        /* Solutions Section */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 35px;
        }

        .solution-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 35px;
            display: flex;
            gap: 20px;
            transition: var(--transition);
        }

        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .solution-num {
            font-size: 2rem;
            font-weight: 800;
            color: rgba(255, 106, 0, 0.2);
            line-height: 1;
        }

        .solution-info h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

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

        /* Steps Section */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(255, 106, 0, 0.3);
            position: relative;
            z-index: 2;
        }

        .step-item h3 {
            font-size: 1.05rem;
            margin-bottom: 10px;
        }

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

        /* Grid Network Map Component */
        .network-section {
            background-color: var(--bg-white);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .network-node {
            background-color: var(--bg-gray);
            padding: 15px 20px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            font-weight: 600;
        }

        /* Compare Table Section */
        .compare-section {
            background-color: var(--bg-gray);
        }

        .compare-header-box {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .rating-badge {
            background: #FFFFFF;
            padding: 15px 30px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .rating-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
        }

        .rating-stars {
            color: #FFC107;
            font-size: 1.2rem;
        }

        .table-responsive {
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background-color: var(--bg-white);
            box-shadow: var(--shadow);
        }

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

        th, td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background-color: var(--bg-white);
            font-weight: 700;
            color: #1A1A1A;
        }

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

        tr.highlight-row {
            background-color: var(--primary-light);
        }

        td.highlight-cell {
            font-weight: 700;
            color: var(--primary);
        }

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

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

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

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

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

        .case-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .case-body {
            padding: 25px;
        }

        .case-body h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

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

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

        .token-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .token-item:hover {
            border-color: var(--primary);
            background-color: var(--primary-light);
        }

        .token-name {
            font-weight: 700;
            color: #1A1A1A;
        }

        .token-cost {
            text-align: right;
        }

        .token-cost-val {
            color: var(--secondary);
            font-weight: 800;
            font-size: 1.1rem;
        }

        .token-cost-label {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

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

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

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

        .cert-card {
            background-color: var(--bg-gray);
            border-radius: 12px;
            padding: 20px;
            border-left: 5px solid var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .cert-info h4 {
            font-size: 1.1rem;
            color: #1A1A1A;
            margin-bottom: 5px;
        }

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

        .cert-badge {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 5px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* FAQ Accordion */
        .faq-grid {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 25px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            color: #1A1A1A;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 400;
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: '−';
        }

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

        .faq-answer-content {
            padding: 20px 25px;
            color: var(--text-main);
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 200px; /* Approximate max height */
        }

        /* Troubleshooting & Encyclopedia Hub */
        .help-hub {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-top: 50px;
        }

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

        .help-card h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
        }

        .trouble-list li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        .trouble-list li::before {
            content: '●';
            color: var(--primary);
            position: absolute;
            left: 0;
            font-size: 0.8rem;
        }

        .wiki-list li {
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        .wiki-term {
            font-weight: 700;
            color: var(--primary);
        }

        /* Review / Testimonials */
        .reviews-section {
            background-color: var(--bg-white);
        }

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

        .review-card {
            background-color: var(--bg-gray);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .review-quote {
            font-size: 1.2rem;
            color: var(--primary);
            position: absolute;
            top: 15px;
            left: 20px;
            font-family: Georgia, serif;
        }

        .review-text {
            font-size: 0.95rem;
            color: var(--text-main);
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
            line-height: 1.7;
        }

        .reviewer-meta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

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

        .reviewer-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

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

        /* Form & Contact (SubmitForm Integration) */
        .form-section {
            background: linear-gradient(185deg, var(--bg-light), #FFEBDD 100%);
        }

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

        .contact-info-panel h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

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

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qr-box {
            display: inline-block;
            background-color: #FFFFFF;
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--shadow);
            margin-top: 25px;
            text-align: center;
            max-width: 180px;
        }

        .qr-box img {
            width: 100%;
            margin-bottom: 10px;
        }

        .qr-box span {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .interactive-form-box {
            background-color: var(--bg-white);
            border-radius: 20px;
            padding: 40px;
            box-shadow: var(--shadow-hover);
            border: 1px solid var(--border-color);
        }

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

        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 8px;
            color: #1A1A1A;
            font-size: 0.95rem;
        }

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

        .form-control:focus {
            border-color: var(--primary);
            background-color: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.1);
        }

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

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

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

        .article-card {
            background-color: var(--bg-gray);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .article-card h3 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            line-height: 1.5;
        }

        .article-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 15px;
        }

        /* Footer */
        footer {
            background-color: #1A1A1A;
            color: #E0E0E0;
            padding: 60px 0 30px;
            border-top: 3px solid var(--primary);
        }

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

        .footer-col h3 {
            color: #FFFFFF;
            font-size: 1.15rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }

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

        .footer-links a {
            color: #B0B0B0;
            font-size: 0.9rem;
        }

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

        .footer-contact li {
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: #B0B0B0;
        }

        .footer-bottom {
            border-top: 1px solid #333333;
            padding-top: 25px;
            text-align: center;
            font-size: 0.85rem;
            color: #888888;
        }

        .friend-links {
            margin-top: 15px;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            font-size: 0.8rem;
        }

        .friend-links a {
            color: #888888;
        }

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

        /* Float Widget */
        .float-widget {
            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: #FFFFFF;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

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

        .float-btn-wechat .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: #FFFFFF;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
        }

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

        .float-btn-wechat .qr-popup img {
            width: 100%;
            margin-bottom: 5px;
        }

        .float-btn-wechat .qr-popup p {
            color: var(--text-main);
            font-size: 0.75rem;
            font-weight: 600;
        }

        /* Responsive Styles */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .cases-grid, .reviews-grid, .token-list-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-container {
                grid-template-columns: repeat(3, 1fr);
                gap: 30px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .about-grid, .network-grid, .training-grid, .form-grid, .help-hub {
                grid-template-columns: 1fr;
            }
            .services-grid, .cases-grid, .reviews-grid, .token-list-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
            .steps-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }