:root {
            --primary: #2563eb;
            --primary-light: #eff6ff;
            --secondary: #7c3aed;
            --accent: #06b6d4;
            --success: #10b981;
            --warning: #f59e0b;
            --text-main: #0f172a;
            --text-muted: #475569;
            --bg-main: #f8fafc;
            --bg-card: #ffffff;
            --border: #e2e8f0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* Base styles */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-main);
            color: var(--text-main);
        }
        body {
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            color: var(--text-main);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            height: 70px;
            display: flex;
            align-items: center;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .brand-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .brand-name {
            font-size: 1.3rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-links {
            display: flex;
            gap: 24px;
            align-items: center;
        }
        .nav-link {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
        }

        /* Hero Section (No Images) */
        .hero-section {
            background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 247, 0.05) 90.2%), var(--bg-card);
            padding: 100px 0 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            border-radius: 50px;
            margin-bottom: 24px;
            border: 1px solid rgba(37, 99, 235, 0.2);
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            color: var(--text-main);
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 50px;
        }

        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }
        .stat-card {
            background: var(--bg-card);
            padding: 30px 20px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.08);
        }
        .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* About Us Section */
        .about-section {
            background: var(--bg-card);
        }
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }
        .about-text p {
            color: var(--text-muted);
            margin-bottom: 16px;
            font-size: 1.05rem;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }
        .about-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .about-feature-item svg {
            color: var(--success);
            flex-shrink: 0;
            margin-top: 4px;
        }
        .about-feature-item h4 {
            font-size: 0.95rem;
            margin-bottom: 4px;
        }
        .about-feature-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* AIGC Services Models */
        .services-section {
            background: var(--bg-main);
        }
        .models-container {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }
        .models-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .model-tag {
            background: var(--bg-main);
            border: 1px solid var(--border);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .model-tag:hover {
            background: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* One-stop Creative */
        .creative-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .creative-card {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .creative-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }
        .creative-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        .creative-card h3 {
            margin-bottom: 12px;
            font-size: 1.25rem;
        }
        .creative-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Solutions */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .solution-card {
            background: var(--bg-card);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .solution-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.08);
        }
        .solution-info {
            padding: 30px;
        }
        .solution-tag {
            display: inline-block;
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 15px;
        }
        .solution-info h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .solution-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Service Network & Technical Standards */
        .grid-two-columns {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .info-block {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border);
        }
        .info-block h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .network-list, .standards-list {
            list-style: none;
        }
        .network-list li, .standards-list li {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .network-list li:last-child, .standards-list li:last-child {
            border-bottom: none;
        }
        .status-badge {
            background: var(--primary-light);
            color: var(--primary);
            padding: 2px 10px;
            border-radius: 50px;
            font-size: 0.8rem;
        }

        /* Standardized Process */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            background: var(--bg-card);
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
        }
        .process-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
            font-weight: 700;
        }
        .process-step h4 {
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Case Center */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .case-card {
            background: var(--bg-card);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }
        .case-img-wrapper {
            position: relative;
            background: var(--border);
            overflow: hidden;
            aspect-ratio: 16/10;
        }
        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-info {
            padding: 20px;
        }
        .case-category {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .case-info h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
        .case-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* Evaluation Block */
        .evaluation-section {
            background: linear-gradient(135deg, #1e1b4b, #311042);
            color: white;
        }
        .evaluation-section .section-header h2 {
            color: white;
        }
        .evaluation-section .section-header p {
            color: #cbd5e1;
        }
        .evaluation-container {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 50px;
            align-items: center;
        }
        .score-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            backdrop-filter: blur(10px);
        }
        .score-stars {
            color: #fbbf24;
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        .score-num {
            font-size: 4rem;
            font-weight: 800;
            line-height: 1;
            margin-bottom: 5px;
            background: linear-gradient(90deg, #38bdf8, #a78bfa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .score-max {
            font-size: 1.2rem;
            color: #94a3b8;
        }
        .score-label {
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 15px;
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: rgba(255,255,255,0.02);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.05);
        }
        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .comparison-table th {
            background: rgba(255,255,255,0.05);
            font-weight: 600;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comp-check {
            color: #10b981;
            font-weight: bold;
        }
        .comp-cross {
            color: #ef4444;
            font-weight: bold;
        }

        /* Token Comparison */
        .token-section {
            background: var(--bg-card);
        }
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .token-card {
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px 24px;
            background: var(--bg-main);
            text-align: center;
        }
        .token-model-name {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 15px;
        }
        .token-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .token-price span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: normal;
        }
        .token-features {
            list-style: none;
            margin: 20px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .token-features li {
            padding: 6px 0;
        }

        /* Training Sections */
        .training-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .training-card {
            background: var(--bg-card);
            border-radius: 16px;
            border: 1px solid var(--border);
            padding: 40px;
        }
        .training-card h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
            color: var(--primary);
        }
        .training-list {
            list-style: none;
        }
        .training-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .training-list li:last-child {
            border-bottom: none;
        }

        /* Agent Join */
        .agent-section {
            background: linear-gradient(135deg, var(--primary-light), rgba(124,58,247,0.05));
            border-radius: 20px;
            padding: 60px 40px;
            text-align: center;
        }
        .agent-title {
            font-size: 2rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .agent-desc {
            max-width: 700px;
            margin: 0 auto 30px;
            color: var(--text-muted);
        }
        .agent-benefits {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-bottom: 40px;
        }
        .benefit-item {
            background: var(--bg-card);
            padding: 20px;
            border-radius: 10px;
            border: 1px solid var(--border);
        }
        .benefit-item h4 {
            margin-bottom: 8px;
            color: var(--secondary);
        }

        /* Knowledge Base */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: 12px;
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .news-info {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .news-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .news-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .news-link {
            font-size: 0.9rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* AI术语百科 & 自助排查 */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .encyclopedia-card, .trouble-card {
            background: var(--bg-card);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid var(--border);
        }
        .term-item, .trouble-item {
            margin-bottom: 20px;
        }
        .term-title, .trouble-title {
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .term-desc, .trouble-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            position: relative;
        }
        .testimonial-quote {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            font-style: italic;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .user-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .user-info p {
            font-size: 0.8rem;
            color: var(--primary);
        }

        /* FAQ Accordion */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-question {
            padding: 20px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
        }
        .faq-question:hover {
            background: var(--primary-light);
        }
        .faq-icon {
            transition: var(--transition);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .faq-item.active .faq-answer {
            padding: 0 20px 20px 20px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* Contact & Form Section */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 50px;
        }
        .contact-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .contact-methods {
            margin-top: 30px;
        }
        .method-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }
        .method-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .form-container {
            background: var(--bg-card);
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.03);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            font-size: 0.9rem;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: var(--bg-main);
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background: var(--bg-card);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        /* Footer */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            color: white;
            font-size: 1.4rem;
            margin-bottom: 15px;
        }
        .footer-links h4 {
            color: white;
            margin-bottom: 15px;
        }
        .footer-links ul {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: white;
        }
        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 15px;
        }
        .friendship-links a {
            background: #1e293b;
            color: #cbd5e1;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            transition: var(--transition);
        }
        .friendship-links a:hover {
            background: var(--primary);
            color: white;
        }
        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid #1e293b;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* Float elements */
        .float-bar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 99;
        }
        .float-item {
            width: 50px;
            height: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: relative;
            transition: var(--transition);
        }
        .float-item:hover {
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-3px);
        }
        .float-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-card);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 160px;
        }
        .float-qr img {
            width: 130px;
            height: 130px;
            margin-bottom: 8px;
        }
        .float-qr p {
            font-size: 0.75rem;
            color: var(--text-main);
        }
        .float-item:hover .float-qr {
            display: block;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .creative-grid, .case-grid, .token-grid, .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-two-columns, .info-grid, .training-container, .contact-grid {
                grid-template-columns: 1fr;
            }
            .evaluation-container {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid var(--border);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2rem;
            }
            .about-content, .solutions-grid {
                grid-template-columns: 1fr;
            }
            .creative-grid, .case-grid, .token-grid, .testimonials-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
        }