/* CSS Root and Typography */
        :root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --primary-dark: #5b21b6;
            --accent: #ec4899;
            --accent-light: #f472b6;
            --bg-base: #fcfaff;
            --bg-card: #ffffff;
            --text-main: #1f2937;
            --text-muted: #4b5563;
            --text-light: #9ca3af;
            --border-color: #e5e7eb;
            --glow-color: rgba(124, 58, 237, 0.15);
            --container-max: 1200px;
        }

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

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

        /* Ambient Glow Effects (Strictly Background Only) */
        .ambient-glow {
            position: absolute;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(167, 139, 250, 0.15) 0%, rgba(236, 72, 153, 0.05) 50%, rgba(255, 255, 255, 0) 100%);
            border-radius: 50%;
            z-index: -1;
            pointer-events: none;
        }
        .glow-1 { top: 10%; left: -200px; }
        .glow-2 { top: 40%; right: -200px; }
        .glow-3 { top: 75%; left: 10%; }

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

        /* Headers & Sections */
        section {
            padding: 90px 0;
            border-bottom: 1px solid rgba(124, 58, 237, 0.08);
            position: relative;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-title {
            font-size: 2.2rem;
            color: #1e1b4b;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 15px auto 0 auto;
        }

        /* Buttons & Badges */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            text-decoration: none;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #ffffff;
            box-shadow: 0 4px 15px var(--glow-color);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.3);
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), #db2777);
            color: #ffffff;
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.15);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: rgba(124, 58, 237, 0.05);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-block;
            padding: 6px 12px;
            background: rgba(124, 58, 237, 0.08);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 12px;
        }

        /* Navigation */
        .header-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: all 0.3s;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--text-main);
            font-weight: 700;
            font-size: 1.25rem;
        }
        .ai-page-logo {
            height: 38px;
            width: auto;
        }
        .nav-links {
            display: flex;
            gap: 25px;
            align-items: center;
            list-style: none;
        }
        .nav-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .burger-menu {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
            padding: 5px;
        }
        .burger-menu span {
            display: block;
            width: 25px;
            height: 3px;
            background: var(--text-main);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* HERO - STRICT NO IMAGE RULE */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(167, 139, 250, 0.08) 0%, rgba(255, 255, 255, 0) 60%), #ffffff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
        }
        .hero-title-h1 {
            font-size: 3rem;
            line-height: 1.25;
            color: #1e1b4b;
            font-weight: 800;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
        }
        .hero-title-h1 span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-description {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .hero-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .hero-feat-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(124, 58, 237, 0.1);
            padding: 20px;
            border-radius: 12px;
            backdrop-filter: blur(5px);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
            transition: all 0.3s;
        }
        .hero-feat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-light);
            box-shadow: 0 8px 25px var(--glow-color);
        }
        .hero-feat-card h3 {
            font-size: 1.1rem;
            color: #1e1b4b;
            margin-bottom: 8px;
        }
        .hero-feat-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Metrics / Status Indicators */
        .metrics-section {
            background: #ffffff;
            padding: 60px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .metric-card {
            padding: 20px;
            border-right: 1px solid var(--border-color);
        }
        .metric-card:last-child {
            border-right: none;
        }
        .metric-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .metric-label {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Service Cards (Grid) */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: opacity 0.3s;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(124, 58, 237, 0.12);
            border-color: rgba(124, 58, 237, 0.2);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }
        .service-card h3 {
            font-size: 1.35rem;
            color: #1e1b4b;
            margin-bottom: 12px;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .service-tag {
            font-size: 0.75rem;
            background: #f3f4f6;
            color: var(--text-muted);
            padding: 4px 10px;
            border-radius: 4px;
        }

        /* Model Badge Grid (Aggregations) */
        .model-cloud {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(124, 58, 237, 0.1);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
        }
        .model-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-top: 25px;
        }
        .model-badge {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.02);
            transition: all 0.2s;
        }
        .model-badge:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            transform: scale(1.05);
            box-shadow: 0 4px 10px rgba(124, 58, 237, 0.1);
        }

        /* Steps Layout */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }
        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            position: relative;
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(124, 58, 237, 0.2);
        }
        .step-item h4 {
            font-size: 1.1rem;
            color: #1e1b4b;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* Comparison Section & Evaluation */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
            margin-bottom: 40px;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }
        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }
        .comparison-table th {
            background-color: #f9fafb;
            font-weight: 700;
            color: #1e1b4b;
        }
        .comparison-table tbody tr:hover {
            background-color: rgba(124, 58, 237, 0.02);
        }
        .comparison-table .highlight-col {
            background-color: rgba(124, 58, 237, 0.04);
            font-weight: 600;
            color: var(--primary);
        }
        .score-card {
            background: linear-gradient(135deg, #1e1b4b, #2e1065);
            color: #ffffff;
            border-radius: 16px;
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }
        .score-info h3 {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        .score-info p {
            color: var(--primary-light);
        }
        .score-number {
            display: flex;
            align-items: baseline;
            gap: 10px;
        }
        .score-number .num {
            font-size: 4rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }
        .score-number .total {
            font-size: 1.5rem;
            color: #a78bfa;
        }

        /* Showcase Cards (Images present here) */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .showcase-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .showcase-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
        }
        .showcase-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #f3f4f6;
            position: relative;
        }
        .showcase-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .showcase-card:hover .showcase-img-container img {
            transform: scale(1.08);
        }
        .showcase-content {
            padding: 24px;
        }
        .showcase-content h4 {
            font-size: 1.15rem;
            color: #1e1b4b;
            margin-bottom: 8px;
        }
        .showcase-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* FAQ Accordion */
        .faq-grid {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .faq-item.active {
            border-color: var(--primary-light);
            box-shadow: 0 4px 15px var(--glow-color);
        }
        .faq-trigger {
            width: 100%;
            padding: 20px 25px;
            text-align: left;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: #1e1b4b;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        .faq-icon-arrow {
            width: 10px;
            height: 10px;
            border-right: 2px solid var(--text-muted);
            border-bottom: 2px solid var(--text-muted);
            transform: rotate(45deg);
            transition: transform 0.3s;
            margin-left: 15px;
            display: inline-block;
            flex-shrink: 0;
        }
        .faq-item.active .faq-icon-arrow {
            transform: rotate(-135deg);
        }
        .faq-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }
        .faq-content {
            padding: 0 25px 20px 25px;
            font-size: 0.95rem;
            color: var(--text-muted);
            border-top: 1px solid rgba(124, 58, 237, 0.05);
        }

        /* User Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
            position: relative;
        }
        .review-stars {
            color: #fbbf24;
            font-size: 1.1rem;
            margin-bottom: 15px;
        }
        .review-text {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-style: italic;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .review-avatar-text {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            color: #ffffff;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
        }
        .author-info h5 {
            font-size: 0.95rem;
            color: #1e1b4b;
        }
        .author-info p {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* Articles Listing Section */
        .articles-section {
            background: #fbf9ff;
        }
        .articles-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }
        .article-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .article-item:hover {
            border-color: var(--primary-light);
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
        }
        .article-item h4 {
            font-size: 1.15rem;
            color: #1e1b4b;
            margin-bottom: 12px;
        }
        .article-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }
        .article-link {
            font-size: 0.9rem;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-link:hover {
            color: var(--accent);
        }

        /* Smart Matching Form Section & Contact */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }
        .matching-form-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            color: var(--text-main);
            background-color: #f9fafb;
            transition: all 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #ffffff;
            box-shadow: 0 0 0 3px var(--glow-color);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }
        .contact-info-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .info-list {
            list-style: none;
            margin-bottom: 30px;
        }
        .info-list li {
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        .info-icon {
            font-size: 1.2rem;
            color: var(--primary);
            width: 24px;
            text-align: center;
        }
        .info-text h5 {
            font-size: 1rem;
            color: #1e1b4b;
            margin-bottom: 4px;
        }
        .info-text p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .qr-section {
            text-align: center;
            border-top: 1px solid var(--border-color);
            padding-top: 25px;
        }
        .qr-wrap {
            max-width: 130px;
            margin: 15px auto 0 auto;
            border: 1px solid var(--border-color);
            padding: 8px;
            border-radius: 8px;
            background: #ffffff;
        }
        .qr-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Encyclopedia & Troubleshoot */
        .encyclopedia-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .encyclopedia-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
        }
        .encyclopedia-card h4 {
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 10px;
        }
        .encyclopedia-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }
        .troubleshoot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .troubleshoot-item {
            background: rgba(255,255,255,0.6);
            border-left: 4px solid var(--accent);
            padding: 20px;
            border-radius: 0 12px 12px 0;
            box-shadow: 0 2px 5px rgba(0,0,0,0.01);
        }
        .troubleshoot-item h4 {
            font-size: 1rem;
            color: #1e1b4b;
            margin-bottom: 6px;
        }
        .troubleshoot-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* Footer & Links */
        .footer-section {
            background: #111827;
            color: #d1d5db;
            padding: 60px 0 20px 0;
            font-size: 0.9rem;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #1f2937;
        }
        .footer-logo-desc h4 {
            color: #ffffff;
            font-size: 1.25rem;
            margin-bottom: 15px;
        }
        .footer-links-col ul {
            list-style: none;
        }
        .footer-links-col ul li {
            margin-bottom: 10px;
        }
        .footer-links-col ul li a {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.2s;
        }
        .footer-links-col ul li a:hover {
            color: #ffffff;
        }
        .footer-friendship-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 15px;
        }
        .footer-friendship-links a {
            color: #9ca3af;
            background: #1f2937;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            text-decoration: none;
            transition: all 0.2s;
        }
        .footer-friendship-links a:hover {
            color: #ffffff;
            background: var(--primary);
        }
        .footer-bottom {
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            color: #9ca3af;
            font-size: 0.8rem;
        }
        .ai-page-home-link {
            color: var(--primary-light);
            text-decoration: none;
        }
        .ai-page-home-link:hover {
            text-decoration: underline;
        }

        /* Floating Sidebar Support */
        .floating-support {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            background: #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;
            position: relative;
            transition: all 0.3s;
        }
        .float-btn:hover {
            transform: translateY(-3px);
            border-color: var(--primary-light);
            box-shadow: 0 6px 20px var(--glow-color);
        }
        .float-btn-svg {
            width: 24px;
            height: 24px;
            fill: var(--primary);
        }
        .float-qr-hover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 12px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: none;
            width: 140px;
            text-align: center;
        }
        .float-qr-hover img {
            width: 100%;
            height: auto;
            margin-bottom: 5px;
        }
        .float-qr-hover p {
            font-size: 0.75rem;
            color: var(--text-main);
            font-weight: 600;
        }
        .float-btn:hover .float-qr-hover {
            display: block;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .hero-title-h1 { font-size: 2.5rem; }
            .hero-features { grid-template-columns: repeat(2, 1fr); }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-container { grid-template-columns: repeat(2, 1fr); }
            .showcase-grid { grid-template-columns: repeat(2, 1fr); }
            .reviews-grid { grid-template-columns: repeat(2, 1fr); }
            .encyclopedia-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            section { padding: 60px 0; }
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-links.active { display: flex; }
            .burger-menu { display: flex; }
            .hero-title-h1 { font-size: 2rem; }
            .hero-features { grid-template-columns: 1fr; }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); }
            .metric-card { border-right: none; border-bottom: 1px solid var(--border-color); }
            .metric-card:last-child { border-bottom: none; }
            .services-grid { grid-template-columns: 1fr; }
            .steps-container { grid-template-columns: 1fr; }
            .showcase-grid { grid-template-columns: 1fr; }
            .reviews-grid { grid-template-columns: 1fr; }
            .encyclopedia-grid { grid-template-columns: 1fr; }
            .articles-list { grid-template-columns: 1fr; }
            .contact-layout { grid-template-columns: 1fr; }
            .footer-top { grid-template-columns: 1fr; }
            .troubleshoot-list { grid-template-columns: 1fr; }
        }