:root {
            --primary: #00f2fe;
            --secondary: #ff007f;
            --accent: #39ff14;
            --dark: #0f172a;
            --light: #f8fafc;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --card-bg: #ffffff;
            --border-color: #e2e8f0;
            --neon-glow: 0 0 15px rgba(0, 242, 254, 0.4);
            --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;
            color: var(--text-main);
            background-color: var(--light);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Container Alignment */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Typography & Headings */
        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.2;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 15px;
            color: var(--dark);
            position: relative;
        }

        .section-title span {
            background: linear-gradient(120deg, #00f2fe, #ff007f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-desc {
            text-align: center;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto 50px auto;
            font-size: 1.1rem;
        }

        /* Buttons & Badges */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background: linear-gradient(90deg, var(--primary), #4facfe);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 242, 254, 0.5);
        }

        .btn-neon {
            background: linear-gradient(90deg, var(--secondary), #7928ca);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.3);
        }

        .btn-neon:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(255, 0, 127, 0.5);
        }

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

        .btn-outline:hover {
            background: var(--border-color);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            height: 70px;
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

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

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

        .brand-name {
            font-size: 1.3rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--text-main);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
        }

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

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

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

        /* Hero Section (No Images as requested) */
        .hero-section {
            padding: 160px 0 100px 0;
            background: radial-gradient(circle at 90% 10%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(255, 0, 127, 0.08) 0%, transparent 40%),
                        #ffffff;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(0, 242, 254, 0.1);
            color: #0284c7;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            border: 1px solid rgba(0, 242, 254, 0.25);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 2.8rem;
            max-width: 850px;
            margin: 0 auto 20px auto;
            color: var(--dark);
        }

        .hero-title span {
            background: linear-gradient(90deg, #00f2fe, #ff007f);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }

        .hero-title span::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, #00f2fe, #ff007f);
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 35px auto;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .hero-highlights {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-highlight-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .hero-highlight-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: var(--neon-glow);
        }

        .hero-highlight-card h4 {
            color: var(--dark);
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

        .hero-highlight-card p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Statistics Cards */
        .stats-section {
            padding: 60px 0;
            background: var(--light);
            margin-top: -30px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--card-bg);
            border-left: 4px solid var(--primary);
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .stat-card:nth-child(even) {
            border-left-color: var(--secondary);
        }

        .stat-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Common Section Layout */
        .section-padding {
            padding: 80px 0;
        }

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

        .section-white {
            background-color: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        /* About Section / Platform Intro */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .about-feat-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .about-feat-item span {
            color: var(--secondary);
            font-weight: 800;
        }

        .about-feat-text h4 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .about-feat-text p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.4;
        }

        .about-visual {
            background: linear-gradient(135deg, rgba(0, 242, 254, 0.05) 0%, rgba(255, 0, 127, 0.05) 100%);
            border: 2px dashed var(--border-color);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
        }

        .badge-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }

        .badge-item {
            padding: 6px 14px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text-main);
            transition: var(--transition);
        }

        .badge-item:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Model Wall Grid (全平台AIGC服务) */
        .model-wall {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            gap: 15px;
            margin-top: 40px;
        }

        .model-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 15px 10px;
            text-align: center;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            color: var(--text-main);
        }

        .model-card:hover {
            transform: scale(1.05);
            border-color: var(--secondary);
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.15);
            background: linear-gradient(180deg, #ffffff, rgba(255, 0, 127, 0.02));
        }

        /* Cards Grid Layout (服务能力 / 场景) */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .feature-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.06);
            border-color: transparent;
        }

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

        .card-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .feature-card h3 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            font-size: 0.85rem;
            color: var(--text-main);
        }

        .feature-list li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .feature-list li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* Process Steps (标准化流程) */
        .process-flow {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            position: relative;
            margin-top: 50px;
        }

        .process-flow::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 50px;
            right: 50px;
            height: 2px;
            background: var(--border-color);
            z-index: 1;
        }

        .process-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 60px;
            height: 60px;
            background: #ffffff;
            border: 3px solid var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--dark);
            margin: 0 auto 20px auto;
            transition: var(--transition);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
        }

        .process-step:hover .step-num {
            background: var(--primary);
            color: #ffffff;
            box-shadow: var(--neon-glow);
        }

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

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 0 10px;
        }

        /* Tables (对比评测, Token比价) */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background: #ffffff;
            margin: 30px 0;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }

        .comparison-table th {
            background-color: #f1f5f9;
            color: var(--dark);
            font-weight: 700;
        }

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

        .comparison-table tr:hover td {
            background-color: rgba(0, 242, 254, 0.02);
        }

        .highlight-col {
            background-color: rgba(0, 242, 254, 0.03);
            font-weight: 600;
        }

        .rating-star {
            color: #f59e0b;
            font-size: 1.1rem;
        }

        /* Cases Section (Image grid with specific image tags) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.08);
            border-color: var(--primary);
        }

        .case-image-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(255, 0, 127, 0.08);
            color: var(--secondary);
            margin-bottom: 12px;
        }

        .case-info h4 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* Training section (工信部) */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: var(--neon-glow);
            transform: translateY(-3px);
        }

        .training-card h4 {
            font-size: 1.05rem;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

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

        .faq-header {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            background: #ffffff;
        }

        .faq-question {
            font-weight: 600;
            color: var(--dark);
            font-size: 1rem;
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: #fafcfd;
        }

        .faq-answer {
            padding: 0 24px 20px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(0, 242, 254, 0.05);
        }

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

        .faq-item.active .faq-content {
            max-height: 300px; /* arbitrary height to fit content */
        }

        /* Reviews Grid */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .review-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 12px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .review-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .review-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .review-user-info h4 {
            font-size: 0.95rem;
            color: var(--dark);
        }

        .review-user-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .review-body {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Contact & Form Section */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: start;
        }

        .contact-info {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
        }

        .contact-info h3 {
            font-size: 1.6rem;
            color: var(--dark);
            margin-bottom: 25px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-item-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }

        .contact-item-text h4 {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .contact-item-text p {
            font-size: 1.05rem;
            color: var(--dark);
            font-weight: 600;
        }

        .contact-qr-wrapper {
            margin-top: 30px;
            text-align: center;
            padding-top: 25px;
            border-top: 1px solid var(--border-color);
        }

        .contact-qr-wrapper img {
            width: 140px;
            height: 140px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 5px;
            background: #fff;
        }

        .contact-qr-wrapper p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        .form-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            outline: none;
            transition: var(--transition);
            font-size: 0.95rem;
            background-color: var(--light);
        }

        .form-control:focus {
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.15);
        }

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

        /* Articles Section */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .article-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-3px);
            border-color: var(--secondary);
        }

        .article-card h4 {
            font-size: 0.95rem;
            line-height: 1.4;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            height: 2.8rem;
        }

        .article-card h4 a {
            text-decoration: none;
            color: var(--dark);
        }

        .article-card h4 a:hover {
            color: var(--secondary);
        }

        .article-date {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Footer */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 20px 0;
            font-size: 0.9rem;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: #ffffff;
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: #ffffff;
            margin-bottom: 15px;
            font-size: 1.05rem;
        }

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

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

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

        .footer-links ul li a:hover {
            color: var(--primary);
        }

        .friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 10px;
        }

        .friendship-links a {
            color: #94a3b8;
            text-decoration: none;
            background: #1e293b;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .friendship-links a:hover {
            color: #ffffff;
            background: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* Floating Components */
        .float-panel {
            position: fixed;
            right: 20px;
            bottom: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            font-size: 1.2rem;
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff;
            border-color: transparent;
        }

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            width: 160px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 10px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            z-index: 1001;
        }

        .qr-popup img {
            width: 140px;
            height: 140px;
        }

        .qr-popup p {
            font-size: 0.75rem;
            color: var(--text-main);
            margin-top: 5px;
        }

        .float-btn-qr:hover .qr-popup {
            display: block;
        }

        /* Responsive Layouts */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-container {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: #ffffff;
                flex-direction: column;
                padding: 40px 20px;
                transition: 0.3s;
                border-top: 1px solid var(--border-color);
                align-items: flex-start;
                gap: 25px;
            }
            .nav-menu.active {
                left: 0;
            }
            .menu-toggle {
                display: flex;
            }
            .process-flow {
                flex-direction: column;
                gap: 30px;
            }
            .process-flow::before {
                display: none;
            }
            .cards-grid, .case-grid, .reviews-grid, .stats-grid, .training-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
        }