/* CSS Reset & Variables */
        :root {
            --primary: #0D6EFD;
            --primary-light: #e6f0ff;
            --secondary: #00D2FC;
            --accent: #FF3E6C;
            --dark: #0f172a;
            --gray-dark: #334155;
            --gray-light: #f8fafc;
            --border-color: #e2e8f0;
            --white: #ffffff;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s ease;
            --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
        }

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

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

        /* Layout Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

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

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

        section {
            padding: 5rem 0;
            border-bottom: 1px solid var(--border-color);
            background-color: var(--white);
        }

        section:nth-child(even) {
            background-color: var(--gray-light);
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--dark);
        }

        .section-title {
            text-align: center;
            font-size: 2.25rem;
            margin-bottom: 1rem;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 0.75rem auto 0;
            border-radius: 2px;
        }

        .section-subtitle {
            text-align: center;
            color: var(--gray-dark);
            max-width: 700px;
            margin: 0 auto 3rem;
            font-size: 1.1rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            border-radius: 0.5rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            box-shadow: 0 4px 14px rgba(13, 110, 253, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(13, 110, 253, 0.6);
        }

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

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

        /* Header & Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            list-style: none;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--gray-dark);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

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

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

        /* Hero Section (No Images Allowed) */
        .hero {
            background: radial-gradient(circle at 80% 20%, #f0f7ff 0%, #ffffff 100%);
            padding: 7rem 0 5rem;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-badge {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(13, 110, 253, 0.2);
        }

        .hero h1 {
            font-size: 3rem;
            letter-spacing: -0.03em;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--dark) 30%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--gray-dark);
            max-width: 800px;
            margin: 0 auto 2.5rem;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 3.5rem;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .stat-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 1.5rem;
            border-radius: 0.75rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.25rem;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--gray-dark);
            font-weight: 500;
        }

        /* About Us Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            margin-bottom: 1.25rem;
            color: var(--primary);
        }

        .about-content p {
            color: var(--gray-dark);
            margin-bottom: 1.25rem;
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
            color: var(--dark);
        }

        .about-feat-item svg {
            color: var(--primary);
            flex-shrink: 0;
        }

        /* AIGC Service System */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .service-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }

        .service-card h3 {
            font-size: 1.35rem;
            margin-bottom: 0.75rem;
        }

        .service-card p {
            color: var(--gray-dark);
            font-size: 0.95rem;
            margin-bottom: 1.25rem;
        }

        /* Model List Tags */
        .model-tags-container {
            margin-top: 3rem;
            background-color: var(--gray-light);
            border: 1px solid var(--border-color);
            padding: 2rem;
            border-radius: 1rem;
            text-align: center;
        }

        .model-tags-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            color: var(--dark);
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
        }

        .model-tag {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            color: var(--gray-dark);
            padding: 0.4rem 0.9rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .model-tag:hover {
            background-color: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        /* Workflow Steps */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            position: relative;
        }

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

        .step-num {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            font-size: 1.5rem;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
            box-shadow: 0 4px 10px rgba(13,110,253,0.3);
        }

        .workflow-step h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }

        .workflow-step p {
            color: var(--gray-dark);
            font-size: 0.9rem;
        }

        /* Solutions */
        .solution-tabs-nav {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2.5rem;
            flex-wrap: wrap;
        }

        .solution-tab-btn {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 0.75rem 1.5rem;
            border-radius: 0.5rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .solution-tab-btn.active, .solution-tab-btn:hover {
            background-color: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        .solution-tab-content {
            display: none;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 3rem;
            align-items: center;
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }

        .solution-tab-content.active {
            display: grid;
        }

        .solution-detail h3 {
            font-size: 1.75rem;
            margin-bottom: 1rem;
        }

        .solution-detail ul {
            list-style: none;
            margin-top: 1.25rem;
        }

        .solution-detail li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.75rem;
            font-size: 1rem;
            color: var(--gray-dark);
        }

        /* Network Section */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 3rem;
            align-items: center;
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .network-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 1.25rem;
            border-radius: 0.75rem;
            box-shadow: var(--shadow);
        }

        .network-card h4 {
            color: var(--primary);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

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

        .map-mockup {
            background-color: var(--primary-light);
            border: 2px dashed var(--primary);
            border-radius: 1rem;
            padding: 4rem 2rem;
            text-align: center;
            font-weight: 700;
            color: var(--primary);
        }

        /* Process Standards & Technical */
        .grid-2col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
        }

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

        .std-item, .tech-item {
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        .std-item:last-child, .tech-item:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }

        .std-item h4, .tech-item h4 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .std-item p, .tech-item p {
            color: var(--gray-dark);
            font-size: 0.95rem;
        }

        /* Cases Grid (With specified banner images) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .case-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 0.75rem;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .case-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background-color: #f1f5f9;
        }

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

        .case-info {
            padding: 1.25rem;
        }

        .case-tag {
            font-size: 0.75rem;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 0.5rem;
        }

        .case-info h4 {
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
        }

        .case-info p {
            color: var(--gray-dark);
            font-size: 0.85rem;
        }

        /* Comparison Evaluation Table */
        .comparison-wrapper {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }

        .score-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: var(--primary-light);
            border-radius: 0.75rem;
            padding: 1.5rem 2.5rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .score-info h4 {
            font-size: 1.25rem;
            color: var(--primary);
        }

        .score-info p {
            font-size: 0.95rem;
            color: var(--gray-dark);
        }

        .score-num-wrap {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .score-stars {
            color: #fbbf24;
            font-size: 1.5rem;
        }

        .score-big {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
        }

        .score-max {
            font-size: 1rem;
            color: var(--gray-dark);
        }

        .comp-table-container {
            width: 100%;
            overflow-x: auto;
        }

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .comp-table th, .comp-table td {
            padding: 1rem 1.25rem;
            border-bottom: 1px solid var(--border-color);
        }

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

        .comp-table tr:hover {
            background-color: rgba(13, 110, 253, 0.02);
        }

        .highlight-col {
            background-color: rgba(13, 110, 253, 0.04);
            font-weight: 600;
            border-left: 2px solid var(--primary);
            border-right: 2px solid var(--primary);
        }

        /* Token Price Comparison */
        .token-price-wrapper {
            margin-top: 3rem;
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.25rem;
        }

        .training-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 0.75rem;
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .training-card svg {
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .training-card h4 {
            font-size: 1.05rem;
            margin-bottom: 0.5rem;
            min-height: 2.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        /* FAQ Folders */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 0.5rem;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .faq-question {
            padding: 1.25rem;
            font-weight: 600;
            background-color: var(--white);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            background-color: var(--gray-light);
        }

        .faq-question::after {
            content: '+';
            font-size: 1.25rem;
            font-weight: bold;
            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;
            background-color: var(--gray-light);
            border-top: 0px solid var(--border-color);
        }

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

        .faq-answer-inner {
            padding: 1.25rem;
            font-size: 0.95rem;
            color: var(--gray-dark);
        }

        /* Troubleshooting & Glossary Tabs */
        .help-tabs-container {
            margin-top: 3rem;
        }

        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .help-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 0.75rem;
            padding: 1.5rem;
            box-shadow: var(--shadow);
        }

        .help-card h3 {
            font-size: 1.25rem;
            margin-bottom: 1rem;
            color: var(--primary);
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 0.5rem;
        }

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

        .help-list li {
            margin-bottom: 0.75rem;
            font-size: 0.95rem;
        }

        .help-list strong {
            color: var(--dark);
        }

        /* Articles & Knowledge Base */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.5rem;
        }

        .article-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 0.5rem;
            padding: 1.25rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
        }

        .article-card h4 {
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }

        .article-card a {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            margin-top: auto;
        }

        /* User Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .review-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 0.75rem;
            padding: 2rem;
            box-shadow: var(--shadow);
            position: relative;
        }

        .review-card::before {
            content: '"';
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            font-size: 4rem;
            color: var(--primary-light);
            font-family: Georgia, serif;
            line-height: 1;
        }

        .review-text {
            color: var(--gray-dark);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            position: relative;
            z-index: 1;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .avatar-placeholder {
            width: 45px;
            height: 45px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .user-meta h4 {
            font-size: 0.95rem;
            margin-bottom: 0.15rem;
        }

        .user-meta p {
            font-size: 0.8rem;
            color: var(--gray-dark);
        }

        /* Contact & Form Section */
        .contact-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 3.5rem;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .contact-method {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
        }

        .contact-icon {
            width: 40px;
            height: 40px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .contact-detail h4 {
            font-size: 1rem;
            margin-bottom: 0.25rem;
        }

        .contact-detail p, .contact-detail a {
            color: var(--gray-dark);
            font-size: 0.95rem;
        }

        .qr-box {
            margin-top: 1rem;
            display: flex;
            gap: 1.5rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            border: 1px solid var(--border-color);
            padding: 0.25rem;
            border-radius: 0.5rem;
            background-color: var(--white);
        }

        .qr-item p {
            font-size: 0.8rem;
            margin-top: 0.5rem;
            font-weight: 600;
        }

        /* Form styling */
        .form-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 2.5rem;
            border-radius: 1rem;
            box-shadow: var(--shadow-lg);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
        }

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

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 0.5rem;
            background-color: var(--gray-light);
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.15);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 4rem 0 2rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand .ai-page-logo {
            filter: brightness(0) invert(1);
            margin-bottom: 1rem;
        }

        .footer-brand p {
            margin-bottom: 1.5rem;
        }

        .footer-title {
            color: var(--white);
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }

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

        .footer-links li {
            margin-bottom: 0.75rem;
        }

        .footer-links a:hover {
            color: var(--white);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }

        .friend-links a {
            color: #94a3b8;
            font-size: 0.85rem;
        }

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

        /* Floating Widgets */
        .floating-widgets {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            z-index: 999;
        }

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

        .float-btn:hover {
            background-color: var(--primary);
            color: var(--white);
        }

        .float-btn-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 0.5rem;
            border-radius: 0.5rem;
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
        }

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

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

        /* Responsive Design */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .service-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .articles-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                padding: 1.5rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-lg);
            }
            .nav-menu.show {
                display: flex;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .solution-tab-content, .network-grid, .grid-2col, .faq-grid, .contact-grid, .help-grid {
                grid-template-columns: 1fr;
            }
            .cases-grid, .service-grid, .reviews-grid {
                grid-template-columns: 1fr;
            }
            .training-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
        }

        @media (max-width: 480px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .training-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
        }