/* CSS Variables - 明艳撞色风 (浅色底) */
        :root {
            --primary: #4f46e5;       /* 靛蓝 */
            --primary-hover: #4338ca;
            --secondary: #f97316;     /* 活力橙 (撞色点缀) */
            --secondary-hover: #ea580c;
            --accent: #06b6d4;        /* 极客青 */
            --bg-main: #f8fafc;       /* 浅底色 */
            --bg-card: #ffffff;       /* 卡片白色 */
            --text-dark: #0f172a;     /* 深色标题 */
            --text-muted: #475569;    /* 中灰正文 */
            --border-color: #e2e8f0;
            --radius-lg: 16px;
            --radius-md: 8px;
            --container-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Reset & Global */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-main);
            color: var(--text-muted);
            line-height: 1.6;
            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: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Typography */
        h1, h2, h3, h4 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary {
            background-color: var(--primary);
            color: #ffffff;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background-color: var(--secondary);
            color: #ffffff;
        }
        .btn-secondary:hover {
            background-color: var(--secondary-hover);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background-color: var(--primary);
            color: #ffffff;
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
        }
        .nav-link {
            font-weight: 500;
            color: var(--text-dark);
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-link:hover {
            color: var(--primary);
            background-color: #f1f5f9;
        }
        .nav-btn {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* Hero Section (No Image, Light Gradient, CSS Accent Lines) */
        .hero {
            background: linear-gradient(135deg, #f5f3ff 0%, #e0f2fe 100%);
            padding: 100px 0 80px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(249,115,22,0.1) 0%, transparent 70%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -5%;
            left: -5%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(79,70,229,0.1) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-tag {
            display: inline-block;
            background-color: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(79, 70, 229, 0.2);
        }
        .hero-h1 {
            font-size: 3rem;
            margin-bottom: 24px;
            background: linear-gradient(90deg, #1e1b4b, #4f46e5);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero p {
            font-size: 1.25rem;
            margin-bottom: 40px;
            color: var(--text-muted);
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 60px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            max-width: 750px;
            margin: 0 auto;
        }
        .stat-card {
            background-color: var(--bg-card);
            padding: 24px;
            border-radius: var(--radius-lg);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }
        .stat-card:nth-child(2) {
            border-top-color: var(--secondary);
        }
        .stat-card:nth-child(3) {
            border-top-color: var(--accent);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* General Section style */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .section-alt {
            background-color: #ffffff;
        }

        /* About Section & Platform Info */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }
        .about-text p {
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        .features-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 30px;
        }
        .feature-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            color: var(--text-dark);
        }
        .feature-item svg {
            color: var(--secondary);
            flex-shrink: 0;
        }
        .about-media-box {
            position: relative;
            background: linear-gradient(135deg, rgba(79,70,229,0.1), rgba(249,115,22,0.1));
            padding: 20px;
            border-radius: var(--radius-lg);
        }
        .about-media-box img {
            border-radius: var(--radius-md);
            box-shadow: 0 8px 30px rgba(0,0,0,0.15);
        }

        /* AIGC Services Grid */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .service-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 12px 30px rgba(79, 70, 229, 0.1);
        }
        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            background-color: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        .service-card:nth-child(even) .service-icon {
            background-color: rgba(249, 115, 22, 0.1);
            color: var(--secondary);
        }
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .service-card p {
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .model-tag {
            font-size: 0.8rem;
            background-color: #f1f5f9;
            color: var(--text-muted);
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* One-stop creation workflow */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            margin-top: 40px;
        }
        .workflow-step {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
            z-index: 2;
        }
        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--secondary);
            color: #ffffff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 1.1rem;
            box-shadow: 0 4px 10px rgba(249, 115, 22, 0.3);
        }
        .workflow-step h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        /* Solutions */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .solution-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }
        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 25px rgba(0, 0, 0, 0.1);
        }
        .solution-body {
            padding: 24px;
        }
        .solution-body h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        /* Standards & Network */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .grid-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .grid-item-inline {
            display: flex;
            gap: 16px;
            background-color: var(--bg-card);
            padding: 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
        }
        .grid-item-inline h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        /* Cases Center */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .case-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: var(--primary);
            color: #ffffff;
            padding: 4px 10px;
            font-size: 0.8rem;
            border-radius: 4px;
            font-weight: 600;
        }
        .case-info {
            padding: 20px;
        }
        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        /* Comparison Table Section */
        .comparison-table-wrap {
            width: 100%;
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }
        .comp-table th, .comp-table td {
            padding: 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .comp-table th {
            background-color: #f1f5f9;
            color: var(--text-dark);
            font-weight: 700;
        }
        .comp-table tr.highlight-row {
            background-color: rgba(79, 70, 229, 0.03);
        }
        .comp-table tr.highlight-row td {
            font-weight: 600;
            color: var(--text-dark);
        }
        .star-rating {
            color: #fbbf24;
            font-size: 1.1rem;
        }
        .badge-score {
            display: inline-block;
            background-color: var(--secondary);
            color: #ffffff;
            padding: 2px 8px;
            font-size: 0.85rem;
            border-radius: 4px;
            font-weight: 700;
        }

        /* Token Price Reference Table */
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .token-table-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 24px;
        }
        .token-table-card h3 {
            margin-bottom: 16px;
            font-size: 1.25rem;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }
        .token-table {
            width: 100%;
            border-collapse: collapse;
        }
        .token-table th, .token-table td {
            padding: 12px 10px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }
        .token-table th {
            color: var(--text-dark);
            font-weight: 600;
        }
        .price-low {
            color: #10b981;
            font-weight: 600;
        }

        /* Training Section */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .training-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition);
        }
        .training-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }
        .training-card svg {
            color: var(--primary);
            margin-bottom: 16px;
        }
        .training-card h3 {
            font-size: 1rem;
            margin-bottom: 10px;
        }
        .training-card p {
            font-size: 0.85rem;
        }

        /* Form section */
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }
        .form-info h3 {
            font-size: 1.8rem;
            margin-bottom: 16px;
        }
        .form-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        /* FAQ Section */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-trigger {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
        }
        .faq-icon {
            transition: var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid transparent;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
        }
        .faq-item.active {
            border-color: var(--primary);
        }

        /* Testimonials (6 reviews) */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .testimonial-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }
        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
        }
        .stars {
            color: #fbbf24;
            margin-bottom: 15px;
        }
        .testimonial-text {
            font-size: 0.95rem;
            margin-bottom: 20px;
            font-style: italic;
        }
        .user-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .user-detail h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .user-detail p {
            font-size: 0.8rem;
        }

        /* Term Encyclopedia & Troubleshooting */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }
        .glossary-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 30px;
            border: 1px solid var(--border-color);
        }
        .glossary-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .glossary-item h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--primary);
        }
        .trouble-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .trouble-card {
            background-color: #fffbeb;
            border-left: 4px solid var(--secondary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
        }
        .trouble-card h4 {
            color: #b45309;
            margin-bottom: 6px;
        }

        /* Article List (Latest) */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .news-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .news-body {
            padding: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            flex-grow: 1;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-body h3 {
            font-size: 0.95rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Footer */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }
        footer h3 {
            color: #ffffff;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            margin-bottom: 16px;
            
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-links a {
            color: #94a3b8;
        }
        .footer-links a:hover {
            color: #ffffff;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-qrcode {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .footer-qrcode img {
            width: 90px;
            height: 90px;
            background-color: #ffffff;
            padding: 4px;
            border-radius: 4px;
        }
        .friendship-links {
            border-top: 1px solid #334155;
            padding-top: 20px;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
        }
        .friendship-links a {
            color: #64748b;
        }
        .friendship-links a:hover {
            color: #ffffff;
        }
        .copyright-bar {
            border-top: 1px solid #334155;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
        }

        /* Floating customer service */
        .floating-contact {
            position: fixed;
            right: 20px;
            bottom: 80px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }
        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(79, 70, 229, 0.4);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }
        .float-item:hover {
            background-color: var(--secondary);
            box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
            transform: scale(1.1);
        }
        .float-popover {
            position: absolute;
            right: 65px;
            bottom: 0;
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: var(--radius-md);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: none;
            width: 200px;
            text-align: center;
        }
        .float-popover img {
            width: 120px;
            height: 120px;
            margin: 0 auto 8px;
        }
        .float-popover p {
            font-size: 0.85rem;
            color: var(--text-dark);
            font-weight: 600;
        }
        .float-item:hover .float-popover {
            display: block;
        }

        /* Responsiveness */
        @media (max-width: 1024px) {
            .hero-h1 { font-size: 2.5rem; }
            .solutions-grid, .cases-grid, .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .workflow-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .about-grid, .network-grid, .form-grid, .troubleshoot-grid, .token-grid {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .solutions-grid, .cases-grid, .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .hero-h1 { font-size: 2rem; }
        }

        @media (max-width: 480px) {
            .training-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .workflow-timeline {
                grid-template-columns: 1fr;
            }
        }