:root {
            --primary: #7c3aed;
            --primary-hover: #6d28d9;
            --secondary: #db2777;
            --accent: #f472b6;
            --bg-main: #fcfaff;
            --bg-card: #ffffff;
            --text-dark: #1e1b4b;
            --text-gray: #4b5563;
            --border-color: #e9e3f8;
            --shadow-sm: 0 4px 6px -1px rgba(124, 58, 237, 0.05), 0 2px 4px -1px rgba(124, 58, 237, 0.03);
            --shadow-md: 0 10px 15px -3px rgba(124, 58, 237, 0.08), 0 4px 6px -2px rgba(124, 58, 237, 0.04);
            --shadow-lg: 0 20px 25px -5px rgba(124, 58, 237, 0.12), 0 10px 10px -5px rgba(124, 58, 237, 0.06);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
        }

        /* Base Resets */
        *, *::before, *::after {
            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-dark);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

        /* Layout Container */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.25;
        }
        
        p {
            color: var(--text-gray);
        }

        /* Buttons & Badges */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.5rem;
            border-radius: 9999px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(124, 58, 237, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
            filter: brightness(1.05);
        }

        .btn-secondary {
            background-color: var(--primary-light, #ede9fe);
            color: var(--primary);
        }

        .btn-secondary:hover {
            background-color: #ddd6fe;
            transform: translateY(-2px);
        }

        .badge {
            display: inline-block;
            padding: 0.25rem 0.75rem;
            background-color: #f3e8ff;
            color: var(--primary);
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 0.75rem;
            border: 1px solid #e9d5ff;
        }

        /* Header & Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }

        .logo-box {
            display: flex;
            align-items: center;
            height: 2.5rem;
        }

        .logo-box img {
            max-height: 100%;
            width: auto;
        }

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            list-style: none;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 0.5rem 0.25rem;
            position: relative;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

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

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

        .nav-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Section Layouts */
        section {
            padding: 6rem 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 4rem auto;
        }

        .section-header h2 {
            font-size: 2.25rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--text-dark), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* HERO Section (Strictly NO Images allowed here) */
        .hero {
            padding-top: 10rem;
            padding-bottom: 7rem;
            background: radial-gradient(circle at 80% 20%, #f5eefb 0%, var(--bg-main) 100%);
            text-align: center;
        }

        .hero-badge {
            background: linear-gradient(135deg, #ede9fe, #fae8ff);
            color: var(--primary);
            padding: 0.35rem 1rem;
            border-radius: 9999px;
            font-size: 0.875rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 1.5rem;
            border: 1px solid #d8b4fe;
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, var(--text-dark) 30%, var(--primary) 70%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 2.5rem auto;
            color: var(--text-gray);
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            margin-bottom: 4rem;
        }

        /* Data metrics grid (Hero secondary) */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .metric-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 1.5rem;
            border-radius: 1rem;
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: #c084fc;
        }

        .metric-number {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.25rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .metric-label {
            font-size: 0.875rem;
            color: var(--text-gray);
            font-weight: 500;
        }

        /* About Us Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }

        .about-content p {
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

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

        .about-list li {
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 500;
        }

        .about-list li::before {
            content: '✓';
            color: var(--secondary);
            font-weight: bold;
        }

        /* Image Display Grid (Used standard content area instead of hero) */
        .promo-media-container {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        
        .promo-media-container img {
            width: 100%;
            border-radius: 1rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .promo-media-container img:hover {
            transform: scale(1.02);
        }

        /* AIGC Service System Section */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .service-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: #d8b4fe;
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }

        .service-card p {
            font-size: 0.95rem;
        }

        /* Tag Cloud component */
        .tags-wrapper {
            margin-top: 3rem;
            text-align: center;
        }
        
        .tags-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-gray);
            margin-bottom: 1rem;
        }

        .tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .tag-item {
            background-color: #f5f3ff;
            color: var(--primary);
            border: 1px solid #ddd6fe;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .tag-item:hover {
            background-color: var(--primary);
            color: #ffffff;
            transform: translateY(-1px);
        }

        /* Workflow Step Layout */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            position: relative;
        }

        .workflow-step {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 2rem;
            border-radius: 1rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            position: relative;
            z-index: 2;
        }

        .workflow-step::after {
            content: '➔';
            position: absolute;
            right: -1rem;
            top: 50%;
            transform: translateY(-50%);
            color: var(--primary);
            font-size: 1.5rem;
            z-index: 1;
        }

        .workflow-step:last-child::after {
            display: none;
        }

        .step-number {
            width: 3rem;
            height: 3rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .workflow-step h3 {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
        }

        /* Solutions Section */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .solution-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .solution-body {
            padding: 2rem;
        }

        .solution-body h3 {
            margin-bottom: 0.75rem;
            font-size: 1.35rem;
        }

        .solution-features {
            list-style: none;
            margin: 1.25rem 0;
        }

        .solution-features li {
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.95rem;
        }

        .solution-features li::before {
            content: '•';
            color: var(--secondary);
            font-size: 1.5rem;
            line-height: 0;
        }

        /* Service Network & Delivery Standards */
        .network-standards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }

        .info-card-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
        }

        .info-card-box h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid #f3e8ff;
            padding-bottom: 0.5rem;
        }

        .timeline-vertical {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .timeline-item {
            position: relative;
            padding-left: 2rem;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 0.4rem;
            top: 0.35rem;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--secondary);
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            left: 0.65rem;
            top: 1rem;
            bottom: -1.75rem;
            width: 2px;
            background-color: var(--border-color);
        }

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

        .timeline-title {
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-gray);
        }

        /* Case Studies */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .case-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .case-img-wrap {
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
            background-color: #f3e8ff;
        }

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

        .case-body {
            padding: 1.5rem;
        }

        .case-body h3 {
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
        }

        .case-metric {
            display: inline-block;
            background-color: #f5f3ff;
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            margin-top: 0.75rem;
        }

        /* Evaluation Section */
        .evaluation-layout {
            background: linear-gradient(135deg, #f5f3ff 0%, #fae8ff 100%);
            border-radius: 1.5rem;
            padding: 3rem;
            border: 1px solid #ddd6fe;
        }

        .evaluation-intro-box {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            align-items: center;
        }

        .score-block {
            text-align: center;
            background-color: var(--bg-card);
            padding: 2.5rem;
            border-radius: 1rem;
            box-shadow: var(--shadow-md);
            border: 1px solid #e9d5ff;
        }

        .score-stars {
            color: #fbbf24;
            font-size: 1.75rem;
            margin-bottom: 0.5rem;
        }

        .score-number {
            font-size: 4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .score-max {
            font-size: 1rem;
            color: var(--text-gray);
            font-weight: 500;
        }

        .eval-table-wrapper {
            overflow-x: auto;
            margin-top: 2rem;
            background-color: var(--bg-card);
            border-radius: 1rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .eval-table th, .eval-table td {
            padding: 1rem 1.5rem;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }

        .eval-table th {
            background-color: #f9f8ff;
            font-weight: 600;
            color: var(--text-dark);
        }

        .eval-table tr:last-child td {
            border-bottom: none;
        }

        .badge-advantage {
            background-color: #dcfce7;
            color: #15803d;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            font-weight: 600;
            font-size: 0.8rem;
        }

        /* Token Price Section */
        .token-price-section {
            background-color: var(--bg-card);
        }

        /* Training & Certifications */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .training-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: #d8b4fe;
        }

        .training-card h3 {
            font-size: 1.2rem;
            margin-bottom: 0.75rem;
            color: var(--primary);
        }

        .training-meta {
            font-size: 0.85rem;
            background-color: #f3e8ff;
            color: var(--primary);
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        /* FAQ Accordions */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }

        .faq-item {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 0.75rem;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-trigger {
            width: 100%;
            padding: 1.25rem;
            background: none;
            border: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.25rem;
            color: var(--primary);
            font-weight: bold;
            transition: var(--transition);
        }

        .faq-item.active .faq-trigger::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            padding: 0 1.25rem;
        }

        .faq-item.active .faq-panel {
            max-height: 1000px;
            padding-bottom: 1.25rem;
            transition: max-height 0.5s ease-in-out;
        }

        /* Troubleshooter & Glossary Grid */
        .trouble-glossary-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
        }

        .panel-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
        }

        .panel-box h3 {
            margin-bottom: 1.25rem;
            color: var(--primary);
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 0.5rem;
        }

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

        .check-list li {
            margin-bottom: 0.75rem;
            padding-left: 1.5rem;
            position: relative;
        }

        .check-list li::before {
            content: 'ℹ';
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: bold;
        }

        /* User Testimonials */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .comment-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
        }

        .comment-text {
            font-style: italic;
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1rem;
        }

        .user-avatar {
            width: 2.5rem;
            height: 2.5rem;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #ffffff;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .user-info h4 {
            font-size: 0.9rem;
            margin-bottom: 0.1rem;
        }

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

        /* Interactive Match Form */
        .form-section {
            background: linear-gradient(135deg, #faf5ff 0%, #fdf2f8 100%);
        }

        .form-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1.5rem;
            padding: 3rem;
            box-shadow: var(--shadow-lg);
            max-width: 800px;
            margin: 0 auto;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

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

        .form-group label {
            font-weight: 600;
            font-size: 0.9rem;
        }

        .form-control {
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 0.5rem;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        /* Article / News List */
        .article-section {
            background-color: var(--bg-card);
        }

        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .article-card {
            background-color: var(--bg-main);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: #d8b4fe;
        }

        .article-card h3 {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            line-height: 1.4;
        }

        .article-link {
            text-decoration: none;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        .article-link:hover {
            color: var(--secondary);
        }

        /* Contact Details section with Map info & QR */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 3rem;
            align-items: start;
        }

        .contact-info-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .contact-item-box {
            display: flex;
            gap: 1rem;
            background-color: var(--bg-card);
            padding: 1.5rem;
            border-radius: 1rem;
            border: 1px solid var(--border-color);
        }

        .contact-icon {
            font-size: 1.75rem;
            color: var(--primary);
        }

        .contact-text h4 {
            margin-bottom: 0.25rem;
        }

        .qr-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 1rem;
            padding: 2rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .qr-card img {
            width: 100%;
            max-width: 180px;
            margin: 0 auto 1rem auto;
            display: block;
            border: 1px solid var(--border-color);
            padding: 0.5rem;
            background-color: #ffffff;
        }

        .qr-card h4 {
            margin-bottom: 0.5rem;
        }

        /* Footer Area */
        .footer {
            background-color: #0f0a1c;
            color: #d1d5db;
            padding: 5rem 0 2rem 0;
            border-top: none;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-brand h3 {
            color: #ffffff;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }

        .footer-brand p {
            color: #9ca3af;
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        .footer-links h4 {
            color: #ffffff;
            margin-bottom: 1.25rem;
            font-size: 1.1rem;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: #9ca3af;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: #ffffff;
            padding-left: 4px;
        }

        .friendly-links-container {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 1rem;
        }

        .friendly-links-container a {
            background-color: #1e152f;
            color: #a78bfa;
            border: 1px solid #2e1e4a;
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            text-decoration: none;
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .friendly-links-container a:hover {
            background-color: var(--primary);
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #2e1e4a;
            padding-top: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #6b7280;
        }

        .footer-bottom-links {
            display: flex;
            gap: 1.5rem;
        }

        .footer-bottom-links a {
            color: #6b7280;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-bottom-links a:hover {
            color: #ffffff;
        }

        /* Floating Sidebar Customer Support */
        .floating-support {
            position: fixed;
            right: 1.5rem;
            bottom: 1.5rem;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .floating-item {
            width: 3.25rem;
            height: 3.25rem;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .floating-item:hover {
            background-color: var(--primary);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .floating-item .qr-popover {
            position: absolute;
            right: 4rem;
            bottom: 0;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 1rem;
            border-radius: 0.75rem;
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
            width: 150px;
        }

        .floating-item .qr-popover img {
            width: 100%;
            height: auto;
            margin-bottom: 0.25rem;
        }

        .floating-item:hover .qr-popover {
            display: block;
        }

        /* Back to top button */
        #back-to-top {
            display: none;
        }

        /* Responsive Styles */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid, .workflow-timeline, .cases-grid, .training-grid, .comments-grid, .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .workflow-step::after {
                display: none;
            }
            .network-standards-grid, .about-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 4.5rem;
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid var(--border-color);
                display: none;
            }

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

            .nav-toggle {
                display: flex;
            }

            .hero h1 {
                font-size: 2.25rem;
            }

            .service-grid, .workflow-timeline, .cases-grid, .training-grid, .comments-grid, .article-grid, .solutions-grid, .faq-grid, .trouble-glossary-grid {
                grid-template-columns: 1fr;
            }

            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }

            .evaluation-intro-box {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
        }