/* CSS Reset & Variables */
        :root {
            --primary: #D32F2F; /* 艳红热烈风主色 */
            --primary-light: #FFEBEE;
            --primary-dark: #B71C1C;
            --accent: #FFC107; /* 辅助金色 */
            --dark: #1E1E24;
            --light-bg: #FAFAFA;
            --white: #FFFFFF;
            --gray-text: #666666;
            --border-color: #E0E0E0;
            --max-width: 1200px;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            background-color: var(--light-bg);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        ul {
            list-style: none;
        }

        /* Common Components */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            color: var(--primary-dark);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            border-radius: 2px;
        }

        .section-title p {
            color: var(--gray-text);
            margin-top: 15px;
            font-size: 1.1rem;
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 4px;
            font-weight: bold;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(211, 47, 47, 0.4);
        }

        .btn-accent {
            background-color: var(--accent);
            color: var(--dark);
        }

        .btn-accent:hover {
            background-color: #ffb300;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(255, 193, 7, 0.4);
        }

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

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

        /* Header & Nav */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

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

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

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

        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-menu a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--dark);
            padding: 5px 10px;
        }

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

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

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

        /* Hero Section (No Image Restriction) */
        .hero {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #7F0000 100%);
            color: var(--white);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle, rgba(255,193,7,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.2);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            margin-bottom: 20px;
            letter-spacing: 1px;
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 25px;
            color: var(--white);
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: 1.2rem;
            margin-bottom: 40px;
            opacity: 0.9;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* Data Badges Grid */
        .data-badges {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }

        .badge-card {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
        }

        .badge-card h3 {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 5px;
        }

        .badge-card p {
            font-size: 0.9rem;
            margin-bottom: 0;
            opacity: 0.8;
        }

        /* About Us Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

        .about-text p {
            color: var(--gray-text);
            margin-bottom: 15px;
            font-size: 1.05rem;
        }

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

        .feature-item {
            background-color: var(--white);
            padding: 20px;
            border-radius: 6px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .feature-item h4 {
            color: var(--dark);
            margin-bottom: 8px;
        }

        .feature-item p {
            font-size: 0.9rem;
            color: var(--gray-text);
            margin-bottom: 0;
        }

        /* AIGC Services */
        .service-intro {
            background-color: var(--primary-light);
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 40px;
            text-align: center;
            border: 1px solid rgba(213, 47, 47, 0.2);
        }

        .service-intro h3 {
            color: var(--primary-dark);
            margin-bottom: 15px;
        }

        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 15px;
            margin-top: 30px;
        }

        .platform-tag {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 10px 15px;
            border-radius: 6px;
            text-align: center;
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .platform-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.05);
        }

        /* Workflows */
        .workflow-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .workflow-card {
            background-color: var(--white);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }

        .workflow-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(213, 47, 47, 0.1);
        }

        .workflow-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--dark);
        }

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

        /* Solutions */
        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            padding: 10px 25px;
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }

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

        .solutions-content {
            background-color: var(--white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .solution-pane {
            display: none;
        }

        .solution-pane.active {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .solution-info ul {
            margin-top: 20px;
        }

        .solution-info li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 10px;
            color: var(--gray-text);
        }

        .solution-info li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        .solution-showcase {
            background-color: var(--light-bg);
            border-radius: 8px;
            padding: 30px;
            border-left: 4px solid var(--accent);
        }

        /* Service Network & Flow */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .network-card {
            background-color: var(--white);
            padding: 25px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border-color);
        }

        .network-card h4 {
            color: var(--primary-dark);
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .network-card p {
            color: var(--gray-text);
            font-size: 0.9rem;
        }

        .timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .timeline-step {
            flex: 1;
            min-width: 150px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px auto;
            font-weight: bold;
            font-size: 1.2rem;
            border: 4px solid var(--primary-light);
        }

        .timeline-step h4 {
            margin-bottom: 8px;
            color: var(--dark);
        }

        .timeline-step p {
            font-size: 0.85rem;
            color: var(--gray-text);
        }

        /* Technical Standards */
        .standards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 30px;
        }

        .standard-box {
            background-color: var(--white);
            padding: 30px;
            border-radius: 8px;
            border-bottom: 4px solid var(--primary);
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
        }

        .standard-box h4 {
            color: var(--primary-dark);
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        .standard-box p {
            color: var(--gray-text);
            font-size: 0.9rem;
        }

        /* Cases Section */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--white);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
        }

        .case-img-wrap {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #eaeaea;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .case-body {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-dark);
            padding: 3px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: bold;
            margin-bottom: 10px;
        }

        .case-body h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .case-body p {
            color: var(--gray-text);
            font-size: 0.88rem;
        }

        /* Comparison Section */
        .comparison-wrapper {
            background-color: var(--white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            margin-top: 30px;
        }

        .score-bar {
            display: flex;
            justify-content: space-around;
            align-items: center;
            background-color: var(--primary-light);
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 45px;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .score-item span {
            display: block;
            font-size: 0.9rem;
            color: var(--gray-text);
        }

        .score-item strong {
            font-size: 2.2rem;
            color: var(--primary-dark);
        }

        .stars {
            color: var(--accent);
            font-size: 1.5rem;
        }

        .table-responsive {
            overflow-x: auto;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        th, td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background-color: var(--light-bg);
            color: var(--dark);
            font-weight: 700;
        }

        tr:hover {
            background-color: rgba(0,0,0,0.01);
        }

        td.highlight {
            color: var(--primary-dark);
            font-weight: bold;
            background-color: rgba(211, 47, 47, 0.02);
        }

        /* Token Price Table */
        .price-badge {
            background-color: #E8F5E9;
            color: #2E7D32;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: bold;
        }

        /* Training Section */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .training-card {
            background-color: var(--white);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            border-left: 5px solid var(--primary);
        }

        .training-card h3 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 20px;
        }

        .training-list li {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .training-list li:last-child {
            border-bottom: none;
        }

        .cert-tag {
            background-color: var(--accent);
            color: var(--dark);
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: bold;
        }

        /* Smart Matching Form */
        .form-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            background-color: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
        }

        .form-container {
            padding: 50px;
        }

        .form-container h3 {
            font-size: 1.8rem;
            color: var(--primary-dark);
            margin-bottom: 25px;
        }

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

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

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            font-weight: 600;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid var(--border-color);
            border-radius: 4px;
            background-color: var(--light-bg);
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
        }

        textarea.form-control {
            resize: vertical;
            height: 120px;
        }

        .form-sidebar {
            background-color: var(--primary-light);
            padding: 50px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .contact-info-box {
            margin-top: 30px;
        }

        .contact-info-item {
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .contact-info-item strong {
            display: block;
            color: var(--primary-dark);
            margin-bottom: 5px;
        }

        /* FAQ Accordion */
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--white);
            border-radius: 6px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .faq-header {
            padding: 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
        }

        .faq-header:hover {
            background-color: var(--primary-light);
            color: var(--primary-dark);
        }

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

        .faq-body {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--gray-text);
            font-size: 0.95rem;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-body {
            padding: 20px;
            border-top: 1px solid var(--border-color);
        }

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

        /* Troubleshooting & Glossary */
        .trouble-glossary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .trouble-card, .glossary-card {
            background-color: var(--white);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
        }

        .trouble-card h3, .glossary-card h3 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
        }

        .trouble-item {
            margin-bottom: 15px;
        }

        .trouble-item h5 {
            color: var(--dark);
            font-size: 1rem;
            margin-bottom: 5px;
        }

        .trouble-item p {
            font-size: 0.9rem;
            color: var(--gray-text);
        }

        .glossary-list dt {
            font-weight: bold;
            color: var(--dark);
            margin-top: 15px;
        }

        .glossary-list dd {
            font-size: 0.9rem;
            color: var(--gray-text);
            margin-left: 0;
            margin-bottom: 10px;
        }

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

        .review-card {
            background-color: var(--white);
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.03);
            border-top: 4px solid var(--accent);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-text {
            font-style: italic;
            color: var(--dark);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .review-user-info h5 {
            font-size: 0.95rem;
            color: var(--primary-dark);
        }

        .review-user-info span {
            font-size: 0.8rem;
            color: var(--gray-text);
        }

        /* Articles & Knowledge Base */
        .articles-wrapper {
            background-color: var(--white);
            border-radius: 8px;
            padding: 40px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
        }

        .article-placeholder {
            background-color: var(--primary-light);
            border: 1px dashed var(--primary);
            padding: 15px;
            border-radius: 6px;
            text-align: center;
            color: var(--primary-dark);
            font-weight: 500;
            margin-bottom: 25px;
        }

        .article-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px 30px;
        }

        .article-links li {
            position: relative;
            padding-left: 15px;
        }

        .article-links li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        .article-links a {
            color: var(--dark);
            font-size: 0.95rem;
        }

        .article-links a:hover {
            color: var(--primary);
        }

        /* Contact Details & QR Section */
        .contact-final-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .qrcode-box {
            background-color: var(--white);
            padding: 30px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
        }

        .qrcode-box img {
            width: 160px;
            height: 160px;
            margin-bottom: 15px;
        }

        .qrcode-box p {
            font-weight: bold;
            color: var(--primary-dark);
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 20px 0;
            font-size: 0.9rem;
            border-top: 5px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }

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

        .footer-col ul a {
            color: rgba(255,255,255,0.6);
        }

        .footer-col ul a:hover {
            color: var(--primary-light);
            padding-left: 5px;
        }

        .friend-links-wrap {
            background-color: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 6px;
            margin-bottom: 30px;
        }

        .friend-links-title {
            color: var(--white);
            margin-bottom: 10px;
            font-weight: bold;
        }

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

        .friend-links-list a {
            color: rgba(255,255,255,0.5);
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* Floating Contact Widget */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            position: relative;
            transition: var(--transition);
        }

        .float-item:hover {
            background-color: var(--primary-dark);
            transform: scale(1.05);
        }

        .float-item .popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--white);
            color: var(--dark);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.15);
            width: 180px;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .float-item:hover .popover {
            opacity: 1;
            visibility: visible;
        }

        .popover img {
            width: 100%;
            height: auto;
            margin-bottom: 8px;
        }

        /* Responsive Styles */
        @media (max-width: 1024px) {
            .about-grid, .training-grid, .form-layout, .contact-final-grid, .trouble-glossary-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .form-sidebar {
                padding: 30px;
            }
            .cases-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .network-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-color: var(--white);
                padding: 20px;
                border-bottom: 2px solid var(--primary);
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .data-badges {
                grid-template-columns: repeat(2, 1fr);
            }
            .solution-pane.active {
                grid-template-columns: 1fr;
            }
            .cases-grid, .reviews-grid, .network-grid {
                grid-template-columns: 1fr;
            }
            .timeline {
                flex-direction: column;
                align-items: flex-start;
                padding-left: 20px;
                border-left: 2px solid var(--primary-light);
            }
            .timeline-step {
                text-align: left;
                padding-left: 20px;
                margin-bottom: 30px;
            }
            .step-num {
                position: absolute;
                left: -45px;
                top: 0;
            }
            .standards-grid {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .form-container {
                padding: 30px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .article-links {
                grid-template-columns: 1fr;
            }
        }