:root {
            --primary: #10b981;
            --primary-hover: #059669;
            --primary-light: #ecfdf5;
            --accent: #0f766e;
            --text-main: #1f2937;
            --text-muted: #4b5563;
            --bg-light: #f9fafb;
            --bg-mint: #f0fdf4;
            --border-color: #e5e7eb;
            --max-width: 1200px;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: #ffffff;
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            color: #111827;
            line-height: 1.25;
        }

        h2 {
            font-size: 2.25rem;
            text-align: center;
            margin-bottom: 3rem;
            position: relative;
        }

        h2::after {
            content: '';
            display: block;
            width: 50px;
            height: 4px;
            background-color: var(--primary);
            margin: 10px auto 0;
            border-radius: 2px;
        }

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

        /* Header */
        header {
            position: sticky;
            top: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
        }

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

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

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

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            align-items: center;
        }

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

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

        .nav-cta {
            display: inline-block;
            background-color: var(--primary);
            color: #ffffff !important;
            padding: 0.5rem 1.2rem;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.2);
        }

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

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

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

        /* Hero (No image as per guidelines) */
        .hero {
            background: linear-gradient(135deg, var(--bg-mint) 0%, #ffffff 100%);
            padding: 8rem 0 6rem;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 40%;
            height: 60%;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.08) 0%, transparent 70%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            right: -10%;
            width: 50%;
            height: 50%;
            background: radial-gradient(circle, rgba(15, 118, 110, 0.05) 0%, transparent 70%);
            z-index: 1;
        }

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

        .hero-tag {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary-hover);
            padding: 0.4rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 1.5rem;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .hero h1 {
            font-size: 3rem;
            color: var(--text-main);
            margin-bottom: 1.5rem;
            letter-spacing: -0.02em;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 2.5rem;
        }

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

        .btn {
            display: inline-block;
            padding: 0.8rem 2rem;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            border: none;
            transition: var(--transition);
        }

        .btn-primary {
            background-color: var(--primary);
            color: #ffffff;
            box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3);
        }

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

        .btn-secondary {
            background-color: #ffffff;
            color: var(--text-main);
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

        .btn-secondary:hover {
            background-color: var(--bg-light);
            transform: translateY(-2px);
        }

        /* Stats Section */
        .stats-section {
            padding: 3rem 0;
            background-color: #ffffff;
            border-bottom: 1px solid var(--border-color);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
        }

        .stat-card {
            text-align: center;
            padding: 1.5rem;
            background-color: var(--bg-light);
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(16, 185, 129, 0.05);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-hover);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

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

        section:nth-child(even) {
            background-color: var(--bg-light);
        }

        /* Grid layouts */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

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

        /* Cards styling */
        .card {
            background-color: #ffffff;
            padding: 2.5rem 2rem;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
            border-color: var(--primary-light);
        }

        .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 12px;
            color: var(--primary);
            margin-bottom: 1.5rem;
            font-size: 1.5rem;
        }

        .card-title {
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .card-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Platform Tag Cloud */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
            margin-top: 2rem;
        }

        .tag-item {
            background-color: #ffffff;
            color: var(--text-main);
            padding: 0.5rem 1.2rem;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .tag-item:hover {
            background-color: var(--primary-light);
            color: var(--primary-hover);
            border-color: var(--primary);
        }

        /* Flow steps */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-number {
            width: 60px;
            height: 60px;
            background-color: var(--primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 auto 1.5rem;
            border: 5px solid var(--primary-light);
        }

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

        /* Tables */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            background-color: #ffffff;
        }

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

        th, td {
            padding: 1.2rem 1.5rem;
            border-bottom: 1px solid var(--border-color);
        }

        th {
            background-color: var(--bg-mint);
            font-weight: 600;
            color: var(--text-main);
        }

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

        /* Rating Highlight */
        .score-badge {
            background-color: #fef08a;
            color: #854d0e;
            padding: 0.25rem 0.75rem;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.9rem;
        }

        /* FAQ Accordion */
        .faq-item {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            width: 100%;
            padding: 1.5rem;
            text-align: left;
            background: none;
            border: none;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--bg-light);
        }

        .faq-answer-content {
            padding: 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }

        .testimonial-card {
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 2rem;
            position: relative;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .user-avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 600;
        }

        .user-meta h4 {
            font-size: 0.95rem;
            margin-bottom: 0.1rem;
        }

        .user-meta span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Article / News */
        .article-card {
            background-color: #ffffff;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .article-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
        }

        .article-content {
            padding: 1.5rem;
        }

        .article-title {
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }

        .article-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* Form Area */
        .contact-form {
            background-color: #ffffff;
            padding: 3rem;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-label {
            display: block;
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }

        .form-control {
            width: 100%;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
        }

        /* Grid layouts custom */
        .grid-left-heavy {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 4rem;
        }

        .contact-sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            justify-content: center;
        }

        .contact-card {
            background-color: var(--bg-mint);
            padding: 2rem;
            border-radius: 12px;
            border: 1px solid rgba(16, 185, 129, 0.2);
            text-align: center;
        }

        .contact-qr-wrap {
            max-width: 160px;
            margin: 1.5rem auto 0;
            background-color: #ffffff;
            padding: 10px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .contact-qr-wrap img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Media grid */
        .media-showcase {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .media-item {
            background-color: #ffffff;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .media-item img {
            width: 100%;
            height: auto;
            object-fit: cover;
            display: block;
        }

        .media-item:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        }

        /* Footer */
        footer {
            background-color: var(--gray-900);
            color: #d1d5db;
            padding: 4rem 0 2rem;
            border-top: 1px solid #1f2937;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-logo-wrap {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .footer-logo-wrap .ai-page-logo {
            
        }

        .footer-col h4 {
            color: #ffffff;
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }

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

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
        }

        .friend-links a {
            background-color: #1f2937;
            padding: 0.4rem 0.8rem;
            border-radius: 4px;
            font-size: 0.85rem;
            border: 1px solid #374151;
        }

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

        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid #374151;
            text-align: center;
            font-size: 0.85rem;
        }

        /* Floating Components */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
            cursor: pointer;
            transition: var(--transition);
            font-weight: bold;
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.1);
        }

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            width: 200px;
            background-color: #ffffff;
            border: 1px solid var(--border-color);
            padding: 1rem;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
            display: none;
            text-align: center;
            color: var(--text-main);
        }

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

        .float-btn img {
            width: 100%;
            height: auto;
            margin-top: 10px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .grid-2, .grid-left-heavy {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
        }

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

            .nav-menu {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                padding: 2rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
                display: none;
            }

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

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