:root {
            --primary: #2563eb;
            --primary-hover: #1d4ed8;
            --secondary: #7c3aed;
            --accent: #06b6d4;
            --accent-light: #ecfeff;
            --dark: #0f172a;
            --gray-light: #f8fafc;
            --gray-border: #e2e8f0;
            --text-main: #334155;
            --text-dark: #0f172a;
            --white: #ffffff;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            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(--white);
            color: var(--text-main);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

        /* Layout Container */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Typography & Headings */
        h1, h2, h3, h4 {
            color: var(--text-dark);
            font-weight: 700;
            line-height: 1.3;
        }

        h2 {
            font-size: 2.2rem;
            text-align: center;
            margin-bottom: 12px;
            position: relative;
        }

        .section-desc {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
            color: var(--text-main);
            font-size: 1.1rem;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--gray-border);
        }

        .bg-light {
            background-color: var(--gray-light);
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            box-shadow: 0 4px 14px 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-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

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

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

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ai-page-logo {
            height: 40px;
            display: block;
        }

        .brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 550;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

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

        /* Hamburger Menu */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* Hero Section (FIRST SCREEN - NO IMAGES) */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 237, 0.05) 90%);
            padding: 100px 0 120px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background-color: var(--accent-light);
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 700;
            border-radius: 50px;
            margin-bottom: 24px;
            border: 1px solid rgba(6, 182, 212, 0.2);
        }

        .hero-title {
            font-size: 3rem;
            max-width: 900px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--text-dark) 40%, var(--primary) 70%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            max-width: 750px;
            margin: 0 auto 36px;
            color: var(--text-main);
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }

        /* Data Cards / Counters inside Hero */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .stat-card {
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 24px 15px;
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-main);
            font-weight: 600;
        }

        /* About Us Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-text p {
            margin-bottom: 16px;
            font-size: 1.05rem;
        }

        .about-highlight {
            background-color: var(--accent-light);
            border-left: 4px solid var(--accent);
            padding: 20px;
            border-radius: 0 8px 8px 0;
            margin-top: 24px;
        }

        /* AIGC Services Grid */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 35px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border-color: var(--secondary);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--text-main);
        }

        /* Ecosystem / Model list */
        .model-ecosystem {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0;
            text-align: center;
        }

        .model-ecosystem h3 {
            color: var(--white);
            font-size: 1.8rem;
            margin-bottom: 30px;
        }

        .model-grid {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .model-badge {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 550;
            color: var(--white);
            transition: var(--transition);
        }

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

        /* Solutions Section */
        .solution-tabs {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            margin-bottom: 40px;
        }

        .tab-btn {
            background: var(--white);
            border: 1px solid var(--gray-border);
            padding: 15px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            text-align: center;
            transition: var(--transition);
        }

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

        .solution-content {
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .solution-panel {
            display: none;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .solution-panel.active {
            display: grid;
        }

        /* Service Network & Timeline */
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .timeline-node {
            position: relative;
            background: var(--white);
            border: 1px solid var(--gray-border);
            padding: 24px;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
        }

        .timeline-node::after {
            content: '➔';
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.5rem;
            color: var(--primary);
            opacity: 0.7;
        }

        .timeline-node:last-child::after {
            display: none;
        }

        .node-num {
            width: 35px;
            height: 35px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 15px;
        }

        /* Cases Grid (CONTAINING MEDIA) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--gray-border);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        .case-img-box {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
            background-color: var(--gray-light);
        }

        .case-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-img-box img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--accent-light);
            color: var(--accent);
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 750;
            margin-bottom: 12px;
        }

        /* Comparison Board */
        .comparison-board {
            background: linear-gradient(135deg, var(--gray-light), #eff6ff);
            border-radius: 20px;
            padding: 50px 40px;
            border: 1px solid var(--gray-border);
        }

        .rating-box {
            display: flex;
            align-items: center;
            justify-content: space-around;
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            margin-bottom: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            flex-wrap: wrap;
            gap: 20px;
        }

        .score-circle {
            text-align: center;
        }

        .score-val {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .score-label {
            font-size: 0.9rem;
            color: var(--text-main);
            margin-top: 5px;
            font-weight: 600;
        }

        .stars-box {
            text-align: center;
        }

        .stars {
            color: #fbbf24;
            font-size: 2.2rem;
            letter-spacing: 5px;
        }

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

        .comp-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            min-width: 600px;
        }

        .comp-table th, .comp-table td {
            padding: 18px;
            text-align: left;
            border-bottom: 1px solid var(--gray-border);
        }

        .comp-table th {
            background: var(--dark);
            color: var(--white);
            font-weight: 600;
        }

        .comp-table tr:hover td {
            background-color: rgba(37, 99, 235, 0.02);
        }

        .highlight-col {
            background-color: rgba(37, 99, 235, 0.05);
            font-weight: 600;
            color: var(--primary);
        }

        /* Token Price Table */
        .price-table-wrapper {
            margin-top: 30px;
            width: 100%;
            overflow-x: auto;
        }

        .price-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 650px;
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 10px;
            overflow: hidden;
        }

        .price-table th, .price-table td {
            padding: 15px 20px;
            text-align: center;
            border-bottom: 1px solid var(--gray-border);
        }

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

        /* Interactive Forms */
        .form-section-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: start;
        }

        .form-container {
            background: var(--white);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
            border: 1px solid var(--gray-border);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--text-dark);
        }

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

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
        }

        textarea.form-control {
            height: 120px;
            resize: none;
        }

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

        .review-card {
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.06);
            border-color: var(--primary);
        }

        .reviewer-meta {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-top: 20px;
        }

        .reviewer-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--accent-light);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.2rem;
        }

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

        .reviewer-details span {
            font-size: 0.8rem;
            color: var(--text-main);
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: var(--transition);
            color: var(--primary);
        }

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

        .faq-answer-content {
            padding: 20px 24px;
            border-top: 1px solid var(--gray-border);
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .faq-item.active .faq-answer {
            max-height: 250px;
        }

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

        /* Glossary and Self-troubleshoot widgets */
        .widgets-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .widget-box {
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 35px;
        }

        .widget-box h3 {
            font-size: 1.4rem;
            margin-bottom: 24px;
            border-bottom: 2px solid var(--gray-light);
            padding-bottom: 10px;
        }

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

        .trouble-item {
            margin-bottom: 16px;
        }

        .trouble-q {
            font-weight: 650;
            color: var(--text-dark);
            margin-bottom: 6px;
        }

        .trouble-a {
            font-size: 0.9rem;
            color: var(--text-main);
        }

        .glossary-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .glossary-tag {
            background: var(--gray-light);
            border: 1px solid var(--gray-border);
            padding: 8px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .glossary-tag:hover {
            border-color: var(--primary);
            background: var(--accent-light);
            color: var(--primary);
        }

        /* Article / Knowledge Base */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 8px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
            text-decoration: none;
            color: inherit;
        }

        .article-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(0,0,0,0.04);
        }

        .article-title {
            font-size: 0.95rem;
            font-weight: 650;
            color: var(--text-dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-more {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 600;
        }

        /* Contact Section */
        .contact-info-card {
            background: linear-gradient(135deg, var(--dark), #1e293b);
            color: var(--white);
            padding: 40px;
            border-radius: 16px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-card h3 {
            color: var(--white);
            font-size: 1.6rem;
            margin-bottom: 24px;
        }

        .contact-details {
            list-style: none;
        }

        .contact-details li {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .contact-details span.icon {
            font-size: 1.2rem;
            color: var(--accent);
        }

        .qr-section {
            margin-top: 30px;
            display: flex;
            align-items: center;
            gap: 20px;
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 10px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .qr-section img {
            width: 90px;
            height: 90px;
            border-radius: 6px;
        }

        .qr-text h5 {
            color: var(--white);
            margin-bottom: 4px;
            font-size: 1rem;
        }

        .qr-text p {
            font-size: 0.8rem;
            color: #94a3b8;
        }

        /* Agent Section */
        .agent-container {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 20px;
            padding: 60px 40px;
            color: var(--white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .agent-container h2 {
            color: var(--white);
            margin-bottom: 16px;
        }

        .agent-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin: 40px 0;
        }

        .agent-item {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 30px;
            border-radius: 12px;
            backdrop-filter: blur(5px);
        }

        .agent-item h4 {
            color: var(--white);
            margin-bottom: 12px;
            font-size: 1.2rem;
        }

        /* Footer & Friend Links */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }

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

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-logo img {
            height: 35px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            margin-bottom: 20px;
        }

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

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .friend-links-area {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            margin-top: 30px;
        }

        .friend-links-area h5 {
            color: var(--white);
            margin-bottom: 15px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links a {
            color: #64748b;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            margin-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .ai-page-home-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: bold;
        }

        /* Floating Widgets */
        .floating-widget {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--white);
            border: 1px solid var(--gray-border);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .float-btn:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-3px);
        }

        .float-btn .tooltip-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            border: 1px solid var(--gray-border);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            flex-direction: column;
            align-items: center;
            width: 140px;
        }

        .float-btn .tooltip-qr img {
            width: 110px;
            height: 110px;
            margin-bottom: 5px;
        }

        .float-btn .tooltip-qr span {
            font-size: 0.75rem;
            color: var(--text-dark);
            white-space: nowrap;
        }

        .float-btn:hover .tooltip-qr {
            display: flex;
        }

        /* Responsive Utilities */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.5rem; }
            .about-grid, .form-section-layout, .solution-panel { grid-template-columns: 1fr; }
            .timeline-grid { grid-template-columns: repeat(2, 1fr); }
            .timeline-node::after { display: none; }
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--white);
                border-bottom: 1px solid var(--gray-border);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .hero-stats { grid-template-columns: repeat(2, 1fr); }
            .solution-tabs { grid-template-columns: repeat(2, 1fr); }
            .reviews-grid { grid-template-columns: 1fr; }
            .widgets-grid { grid-template-columns: 1fr; }
            .article-grid { grid-template-columns: 1fr; }
            .agent-grid { grid-template-columns: 1fr; }
        }