/* CSS Reset & Variables */
        :root {
            --primary: #7928ca;
            --primary-light: #9b51e0;
            --secondary: #ff007a;
            --dark: #111215;
            --light-bg: #f8f9fc;
            --card-bg: #ffffff;
            --text-main: #2d3748;
            --text-muted: #718096;
            --border-color: #e2e8f0;
            --accent-glow: rgba(121, 40, 202, 0.08);
            --gradient-trend: linear-gradient(135deg, #ff007a 0%, #7928ca 50%, #00dfd8 100%);
            --gradient-subtle: linear-gradient(180deg, #ffffff 0%, #f7fafc 100%);
        }

        * {
            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-bg);
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        /* Layout Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Section Global */
        section {
            padding: 80px 0;
            position: relative;
        }

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

        .section-title h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--dark);
            position: relative;
            display: inline-block;
            margin-bottom: 12px;
        }

        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--gradient-trend);
            margin: 8px auto 0;
            border-radius: 2px;
        }

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

        /* Header Navigation */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

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

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

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

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--gradient-trend);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-links {
            display: flex;
            list-style: none;
            gap: 24px;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
        }

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

        .nav-btn {
            background: var(--gradient-trend);
            color: #fff;
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(121, 40, 202, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(121, 40, 202, 0.3);
        }

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* Hero Section (No Image Allowed) */
        .hero {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 0, 122, 0.05) 0%, rgba(121, 40, 202, 0.05) 40%, transparent 70%);
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(121, 40, 202, 0.08);
            border: 1px solid rgba(121, 40, 202, 0.15);
            border-radius: 30px;
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
            max-width: 900px;
            margin: 0 auto 24px;
        }

        .hero-title span {
            background: var(--gradient-trend);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 40px;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 50px;
        }

        .btn-primary {
            background: var(--gradient-trend);
            color: #fff !important;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1.05rem;
            font-weight: 700;
            box-shadow: 0 10px 25px rgba(255, 0, 122, 0.25);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 0, 122, 0.35);
        }

        .btn-secondary {
            background: #fff;
            color: var(--dark) !important;
            border: 1px solid var(--border-color);
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1.05rem;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }

        .btn-secondary:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(0,0,0,0.08);
        }

        /* Stats Cards in Hero */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-light);
            box-shadow: 0 10px 30px var(--accent-glow);
        }

        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            background: var(--gradient-trend);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* About Us Section */
        .about {
            background-color: var(--card-bg);
            border-bottom: 1px solid var(--border-color);
        }

        .about-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 20px;
        }

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

        .about-features {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .about-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.95rem;
        }

        .about-features li::before {
            content: '✓';
            color: #00dfd8;
            font-weight: 900;
            background: var(--gradient-trend);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .about-graphic {
            background: linear-gradient(135deg, rgba(255, 0, 122, 0.03) 0%, rgba(121, 40, 202, 0.03) 100%);
            border: 2px dashed var(--primary-light);
            border-radius: 24px;
            padding: 40px;
            text-align: center;
        }

        .about-graphic-title {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }

        /* Services Grid */
        .services {
            background-color: var(--light-bg);
        }

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

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 35px 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 15px 35px rgba(121, 40, 202, 0.1);
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--gradient-trend);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

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

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

        .service-card h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Model Aggregation / Badges */
        .models-marquee {
            margin-top: 50px;
            padding: 20px 0;
            background: rgba(255, 255, 255, 0.6);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .models-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            padding: 10px;
        }

        .model-badge {
            background: #fff;
            color: var(--dark);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
        }

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

        /* Solutions Section */
        .solutions {
            background: var(--card-bg);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .solution-item {
            display: flex;
            gap: 20px;
            padding: 30px;
            background: var(--light-bg);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .solution-item:hover {
            transform: translateY(-4px);
            border-color: var(--secondary);
            box-shadow: 0 10px 25px rgba(255, 0, 122, 0.05);
        }

        .solution-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: rgba(255, 0, 122, 0.15);
            line-height: 1;
        }

        .solution-info h3 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .solution-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Network & Process Map */
        .network-process {
            background-color: var(--light-bg);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .network-map {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 20px;
        }

        .network-tag {
            background: var(--light-bg);
            padding: 10px 16px;
            border-radius: 12px;
            font-size: 0.9rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .network-tag::before {
            content: '●';
            color: #00dfd8;
        }

        .timeline {
            position: relative;
            padding-left: 20px;
            border-left: 2px solid var(--border-color);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--gradient-trend);
            border: 2px solid #fff;
        }

        .timeline-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

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

        /* Compare Rating Section */
        .rating-compare {
            background: var(--card-bg);
        }

        .rating-box {
            background: var(--gradient-trend);
            border-radius: 24px;
            padding: 40px;
            color: #fff;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 50px;
            box-shadow: 0 15px 35px rgba(121, 40, 202, 0.2);
        }

        .rating-score {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .rating-num {
            font-size: 5rem;
            font-weight: 900;
            line-height: 1;
        }

        .rating-detail h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .rating-stars {
            font-size: 1.25rem;
            color: #ffd700;
        }

        .rating-badge {
            background: rgba(255, 255, 255, 0.2);
            padding: 10px 24px;
            border-radius: 30px;
            font-weight: 750;
            backdrop-filter: blur(10px);
        }

        .compare-table-wrapper {
            overflow-x: auto;
        }

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

        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .compare-table th {
            background-color: var(--light-bg);
            font-weight: 750;
            color: var(--dark);
        }

        .compare-table tr:hover td {
            background-color: rgba(121, 40, 202, 0.02);
        }

        .status-yes {
            color: #00dfd8;
            font-weight: 700;
        }

        .status-no {
            color: var(--text-muted);
        }

        /* Case & Articles (With Valid Images & Links) */
        .cases {
            background: var(--light-bg);
        }

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

        .case-card {
            background: var(--card-bg);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
            border-color: var(--secondary);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: var(--light-bg);
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .case-body {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(255, 0, 122, 0.08);
            color: var(--secondary);
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .case-body h3 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        .case-link {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Articles List Block */
        .articles-block {
            margin-top: 60px;
            background: var(--card-bg);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            padding: 40px;
        }

        .articles-block h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 24px;
            text-align: center;
        }

        .articles-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            list-style: none;
        }

        .articles-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 16px;
            border-bottom: 1px solid var(--border-color);
        }

        .articles-list a {
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            width: 100%;
            white-space: nowrap;
            overflow: hidden;
            text-transform: capitalize;
            text-overflow: ellipsis;
        }

        .articles-list a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        /* Training Program */
        .training {
            background: var(--card-bg);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .train-card {
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            transition: all 0.3s ease;
        }

        .train-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            background: #fff;
            box-shadow: 0 10px 25px var(--accent-glow);
        }

        .train-icon {
            font-size: 2.2rem;
            margin-bottom: 15px;
            display: inline-block;
        }

        .train-card h4 {
            font-size: 1rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
        }

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

        /* Matching & Form & Agent Contact */
        .matching-contact {
            background: var(--light-bg);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .form-card {
            background: var(--card-bg);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

        .form-group label {
            display: block;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            background: var(--light-bg);
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s ease;
        }

        .form-control:focus {
            border-color: var(--primary);
            background: #fff;
        }

        .submit-btn {
            width: 100%;
            background: var(--gradient-trend);
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 12px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(121, 40, 202, 0.2);
            transition: all 0.3s ease;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(121, 40, 202, 0.3);
        }

        .agent-info {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .agent-card {
            background: var(--card-bg);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
            margin-bottom: 20px;
        }

        .agent-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .agent-card p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }

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

        .contact-info-list li {
            margin-bottom: 12px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* FAQ Section */
        .faq {
            background: var(--card-bg);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .faq-item {
            background: var(--light-bg);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-header {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            color: var(--dark);
            user-select: none;
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }

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

        .faq-content {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid var(--border-color);
        }

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

        .faq-item.active .faq-body {
            max-height: 500px;
        }

        /* Diagnostics & Encyclopedia Section */
        .diagnose-dict {
            background: var(--light-bg);
        }

        .diagnose-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .diagnose-card, .dict-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
        }

        .diagnose-card h3, .dict-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 24px;
            color: var(--dark);
        }

        .diagnostic-step {
            position: relative;
            padding-left: 40px;
            margin-bottom: 24px;
        }

        .diagnostic-step::before {
            content: '?';
            position: absolute;
            left: 0;
            top: 0;
            width: 28px;
            height: 28px;
            background: rgba(255, 0, 122, 0.08);
            border: 1px solid var(--secondary);
            color: var(--secondary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
        }

        .diagnostic-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

        .diagnostic-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

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

        .dict-tag {
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            padding: 10px 16px;
            border-radius: 12px;
            text-align: left;
            width: 100%;
        }

        .dict-tag strong {
            display: block;
            font-size: 0.95rem;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .dict-tag span {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.4;
            display: block;
        }

        /* Testimonials Section */
        .testimonials {
            background: var(--card-bg);
        }

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

        .testimonial-card {
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            position: relative;
        }

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

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar-placeholder {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient-trend);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--dark);
        }

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

        /* Footer & Friendly Links */
        footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 20px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

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

        .footer-brand h4 {
            color: #fff;
            font-size: 1.25rem;
            margin-bottom: 16px;
            font-weight: 800;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 700;
        }

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

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

        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
        }

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

        .qr-item img {
            width: 80px;
            height: 80px;
            border-radius: 8px;
            margin-bottom: 8px;
            border: 2px solid rgba(255,255,255,0.1);
        }

        .qr-item p {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .friend-links {
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
            font-size: 0.85rem;
        }

        .friend-links-title {
            color: #fff;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .friend-links a {
            color: rgba(255, 255, 255, 0.6);
            margin-right: 15px;
            display: inline-block;
        }

        .friend-links a:hover {
            color: #00dfd8;
        }

        .footer-bottom {
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* Float Customer Service */
        .float-cs {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--gradient-trend);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(121, 40, 202, 0.3);
            cursor: pointer;
            position: relative;
            font-size: 1.25rem;
            transition: all 0.3s ease;
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            width: 180px;
            text-align: center;
            color: var(--dark);
        }

        .float-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .float-popover p {
            font-size: 0.8rem;
            font-weight: 700;
        }

        .float-btn:hover .float-popover {
            display: block;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 16px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }

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

            .about-wrapper, .solutions-grid, .network-grid, .contact-grid, .faq-grid, .diagnose-wrapper, .testimonials-grid {
                grid-template-columns: 1fr;
            }

            .rating-box {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .services-grid, .cases-grid, .training-grid {
                grid-template-columns: 1fr;
            }

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

            .footer-bottom {
                flex-direction: column;
            }
        }