/* Base Variables & Modern Colorful Theme */
        :root {
            --bg-primary: #fbfbfd;
            --bg-secondary: #f3f4f6;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --color-white: #ffffff;
            
            /* Gradient System (斑斓彩调风) */
            --gradient-primary: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #db2777 100%);
            --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 50%, #6366f1 100%);
            --gradient-warm: linear-gradient(135deg, #f59e0b 0%, #e11d48 100%);
            --gradient-accent: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
            --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
            --card-shadow-hover: 0 20px 40px rgba(99, 102, 241, 0.12);
            --border-radius: 16px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Reset & Base Styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: var(--bg-primary);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

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

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

        .section-padding {
            padding: 90px 0;
        }

        /* Text Gradient Utility */
        .text-gradient {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .text-gradient-secondary {
            background: var(--gradient-secondary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-gradient {
            background: var(--gradient-primary);
            color: var(--color-white);
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.3);
        }

        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-main);
            border: 2px solid #e2e8f0;
        }

        .btn-outline:hover {
            border-color: #7c3aed;
            color: #7c3aed;
            transform: translateY(-2px);
        }

        /* Badge */
        .badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            background: rgba(124, 58, 237, 0.08);
            color: #7c3aed;
            border: 1px solid rgba(124, 58, 237, 0.15);
        }

        /* Headings */
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* 1. Header Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

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

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

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
        }

        .nav-link:hover {
            color: #7c3aed;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        /* 2. Hero Section (NO IMAGES) */
        .hero {
            padding-top: 140px;
            padding-bottom: 90px;
            position: relative;
            background: radial-gradient(circle at 10% 20%, rgba(243, 239, 255, 0.7) 0%, rgba(235, 247, 255, 0.6) 90%);
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: var(--gradient-primary);
            filter: blur(140px);
            opacity: 0.12;
            top: -100px;
            right: -50px;
            pointer-events: none;
        }

        .hero-content {
            max-width: 860px;
            margin: 0 auto;
            position: relative;
            z-index: 10;
        }

        .hero-title-h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 24px;
            color: var(--text-main);
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            margin-bottom: 36px;
            max-width: 650px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 50px;
        }

        /* 3. Metrics Cards (数据指标) */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .metric-card {
            background: var(--color-white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: var(--border-radius);
            padding: 24px 16px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

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

        .metric-num {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 4. About Us & Platform Intro */
        .about {
            background: var(--color-white);
        }

        .about-wrapper {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .about-feature-item {
            padding: 24px;
            border-radius: var(--border-radius);
            background: var(--bg-primary);
            border-left: 4px solid #7c3aed;
            transition: var(--transition);
        }

        .about-feature-item:hover {
            transform: scale(1.03);
            background: var(--color-white);
            box-shadow: var(--card-shadow);
        }

        .about-feature-item h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .about-feature-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 5. AIGC Services Grid (斑斓卡片) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--color-white);
            border-radius: var(--border-radius);
            padding: 32px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:nth-child(2n)::before {
            background: var(--gradient-primary);
        }

        .service-card:nth-child(3n)::before {
            background: var(--gradient-warm);
        }

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

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--color-white);
            font-weight: bold;
        }

        .service-icon.blue { background: var(--gradient-secondary); }
        .service-icon.purple { background: var(--gradient-primary); }
        .service-icon.orange { background: var(--gradient-warm); }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-tag {
            font-size: 11px;
            background: var(--bg-secondary);
            padding: 4px 8px;
            border-radius: 4px;
            color: var(--text-main);
        }

        /* 6. Standardized AIGC Workflow */
        .workflow {
            background: var(--bg-secondary);
        }

        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .workflow-step {
            background: var(--color-white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            position: relative;
            z-index: 2;
        }

        .step-num {
            font-size: 40px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 16px;
            opacity: 0.15;
        }

        .workflow-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .workflow-step p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 7. Industry Solutions & Global Network */
        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .network-map-area {
            background: var(--color-white);
            border-radius: var(--border-radius);
            padding: 40px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .solutions-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .solution-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            background: var(--bg-primary);
            border-radius: var(--border-radius);
            transition: var(--transition);
        }

        .solution-item:hover {
            background: var(--color-white);
            box-shadow: var(--card-shadow);
            transform: translateX(5px);
        }

        .solution-badge {
            background: var(--gradient-primary);
            color: var(--color-white);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* 8. Comparison Board (对比评测) */
        .comparison {
            background: var(--color-white);
        }

        .comparison-wrapper {
            margin-top: 40px;
        }

        .comparison-badge-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 30px;
        }

        .score-badge {
            background: var(--gradient-warm);
            color: var(--color-white);
            padding: 12px 24px;
            border-radius: var(--border-radius);
            text-align: center;
        }

        .score-badge .score-val {
            font-size: 28px;
            font-weight: 900;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: var(--color-white);
            min-width: 700px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 24px;
            border-bottom: 1px solid #f1f5f9;
        }

        .comparison-table th {
            background: var(--bg-secondary);
            font-weight: 700;
            color: var(--text-main);
        }

        .comparison-table tr:hover {
            background: rgba(248, 250, 252, 0.5);
        }

        .highlight-td {
            font-weight: 600;
            color: #7c3aed;
            background: rgba(124, 58, 237, 0.02);
        }

        /* 9. Token Price Reference */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 30px;
        }

        .token-card {
            background: var(--color-white);
            border-radius: var(--border-radius);
            padding: 24px;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

        .token-card:hover {
            transform: scale(1.02);
            box-shadow: var(--card-shadow-hover);
        }

        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid #f1f5f9;
            padding-bottom: 12px;
            margin-bottom: 16px;
        }

        .token-name {
            font-weight: 800;
            font-size: 18px;
        }

        .token-price {
            font-weight: 700;
            color: #10b981;
        }

        .token-features li {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* 10. AI Training & Professional Certs */
        .training {
            background: var(--bg-secondary);
        }

        .training-cards {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .train-card {
            background: var(--color-white);
            padding: 24px;
            border-radius: var(--border-radius);
            text-align: center;
            box-shadow: var(--card-shadow);
            border-top: 4px solid #7c3aed;
            transition: var(--transition);
        }

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

        .train-card h3 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .train-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 11. Customer Case Study (图片展示) */
        .cases {
            background: var(--color-white);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--color-white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--card-shadow-hover);
        }

        .case-img-container {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-secondary);
        }

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

        .case-info {
            padding: 20px;
        }

        .case-info h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-info p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 12. Testimonials (用户评论 6条) */
        .testimonials {
            background: var(--bg-secondary);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testi-card {
            background: var(--color-white);
            padding: 24px;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testi-quote {
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .testi-user-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-white);
            font-weight: bold;
            font-size: 14px;
        }

        .testi-meta h4 {
            font-size: 13px;
            font-weight: 700;
        }

        .testi-meta p {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* 13. FAQ折叠面板 & 自助排查 */
        .faq-section {
            background: var(--color-white);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-primary);
            border: 1px solid #e2e8f0;
            border-radius: var(--border-radius);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 16px 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
        }

        .faq-header h3 {
            font-size: 14px;
            font-weight: 700;
        }

        .faq-icon {
            font-size: 18px;
            transition: var(--transition);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            padding: 0 20px;
        }

        .faq-body p {
            padding-bottom: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .faq-item.active {
            border-color: #7c3aed;
            background: var(--color-white);
            box-shadow: var(--card-shadow);
        }

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

        .faq-item.active .faq-body {
            max-height: 300px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }

        /* Self troubleshoot & Term encyclopedia */
        .troubleshoot-area {
            background: var(--bg-primary);
            padding: 30px;
            border-radius: var(--border-radius);
            border: 1px dashed rgba(124, 58, 237, 0.3);
        }

        .troubleshoot-area h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .term-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }

        .term-item h4 {
            font-size: 13px;
            font-weight: 600;
            color: #7c3aed;
        }

        .term-item p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 14. News & Article Library */
        .news {
            background: var(--bg-secondary);
        }

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

        .news-card {
            background: var(--color-white);
            border-radius: var(--border-radius);
            padding: 20px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--card-shadow-hover);
        }

        .news-card h3 {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            color: var(--text-main);
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-link {
            font-size: 12px;
            color: #7c3aed;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* 15. Contact Us & Demand Submit Form */
        .contact {
            background: var(--color-white);
        }

        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
        }

        .contact-info-panel {
            background: var(--bg-primary);
            padding: 40px;
            border-radius: var(--border-radius);
            border: 1px solid #e2e8f0;
        }

        .contact-method {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 24px;
        }

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

        .contact-method-detail h4 {
            font-size: 12px;
            color: var(--text-muted);
            text-transform: uppercase;
        }

        .contact-method-detail p {
            font-size: 15px;
            font-weight: 600;
        }

        .qr-gallery {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .qr-card {
            text-align: center;
            background: var(--color-white);
            padding: 16px;
            border-radius: 12px;
            border: 1px solid #e2e8f0;
        }

        .qr-card img {
            width: 100px;
            height: 100px;
            margin: 0 auto 8px;
            object-fit: cover;
        }

        .qr-card p {
            font-size: 11px;
            font-weight: 600;
            color: var(--text-main);
        }

        /* Form styling */
        .form-card {
            background: var(--color-white);
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--card-shadow);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

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

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

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-size: 14px;
            background: var(--bg-primary);
            transition: var(--transition);
        }

        .form-input:focus {
            outline: none;
            border-color: #7c3aed;
            background: var(--color-white);
            box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.1);
        }

        /* 16. Footer (友情链接在此) */
        .footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            border-top: 1px solid #1e293b;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #1e293b;
        }

        .footer-logo img {
            height: 38px;
            margin-bottom: 16px;
            
        }

        .footer-logo p {
            font-size: 13px;
            line-height: 1.6;
        }

        .footer-links h4, .footer-friend-links h4 {
            color: var(--color-white);
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .footer-links-grid a {
            font-size: 13px;
        }

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

        .footer-friend-links-box {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-friend-links-box a {
            font-size: 12px;
            background: #1e293b;
            padding: 4px 10px;
            border-radius: 4px;
            color: #94a3b8;
        }

        .footer-friend-links-box a:hover {
            color: var(--color-white);
            background: #334155;
        }

        .footer-bottom {
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

        .footer-bottom a:hover {
            color: var(--color-white);
        }

        /* 17. Floating Widget */
        .floating-widget {
            position: fixed;
            right: 24px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--color-white);
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.08);
            background: var(--gradient-primary);
            color: var(--color-white);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        /* QR Hover Box */
        .float-btn .float-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            width: 140px;
            background: var(--color-white);
            padding: 12px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
            opacity: 0;
            pointer-events: none;
            transform: translateY(10px);
            transition: var(--transition);
            text-align: center;
        }

        .float-btn:hover .float-qr {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .float-qr img {
            width: 100%;
            margin-bottom: 6px;
        }

        .float-qr p {
            font-size: 11px;
            color: var(--text-main);
            font-weight: 600;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-title-h1 { font-size: 36px; }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .workflow-timeline { grid-template-columns: repeat(2, 1fr); }
            .workflow-timeline::before { display: none; }
            .comparison-wrapper { overflow-x: auto; }
            .training-cards { grid-template-columns: repeat(3, 1fr); }
            .cases-grid { grid-template-columns: repeat(2, 1fr); }
            .testimonial-grid { grid-template-columns: repeat(2, 1fr); }
            .faq-layout { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: repeat(3, 1fr); }
            .contact-layout { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: 1fr; gap: 30px; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: var(--color-white);
                flex-direction: column;
                padding: 40px 24px;
                gap: 20px;
                transition: var(--transition);
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
            }

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

            .nav-toggle {
                display: block;
            }

            .about-wrapper { grid-template-columns: 1fr; }
            .solutions-grid { grid-template-columns: 1fr; }
            .training-cards { grid-template-columns: repeat(2, 1fr); }
            .cases-grid { grid-template-columns: 1fr; }
            .testimonial-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .form-row { grid-template-columns: 1fr; }
            .form-group.full-width { grid-column: span 1; }
            .hero-btn-group { flex-direction: column; align-items: center; }
            .hero-btn-group .btn { width: 100%; max-width: 300px; }
        }

        @media (max-width: 480px) {
            .hero-title-h1 { font-size: 28px; }
            .metrics-grid { grid-template-columns: 1fr; }
            .services-grid { grid-template-columns: 1fr; }
            .workflow-timeline { grid-template-columns: 1fr; }
            .training-cards { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
        }