:root {
            --primary: #E91E63;
            --primary-hover: #D81B60;
            --primary-light: #FFF0F3;
            --accent: #9C27B0;
            --text-main: #2D3748;
            --text-muted: #718096;
            --bg-white: #FFFFFF;
            --bg-light: #F7FAFC;
            --bg-pink: #FFF5F7;
            --border-color: #EDF2F7;
            --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(233, 30, 99, 0.1), 0 4px 6px -2px rgba(233, 30, 99, 0.05);
            --radius: 12px;
            --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(--bg-light);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
        }

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

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

        /* Navigation Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 70px;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 5px 10px;
            border-radius: 6px;
        }

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

        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--bg-white) !important;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
        }

        /* Hero Section (No Images) */
        .hero {
            padding: 160px 0 100px;
            background: linear-gradient(135deg, var(--bg-pink) 0%, var(--bg-white) 100%);
            position: relative;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 700;
            margin-bottom: 24px;
            border: 1px solid rgba(233, 30, 99, 0.2);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 800;
            color: #1A202C;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: var(--bg-white);
            box-shadow: var(--shadow-lg);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 20px rgba(233, 30, 99, 0.4);
        }

        .btn-secondary {
            background-color: var(--bg-white);
            color: var(--text-main);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background-color: var(--bg-light);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* Metrics Cards */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .metric-card {
            background-color: var(--bg-white);
            padding: 30px 20px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            border-top: 4px solid var(--primary);
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.08);
        }

        .metric-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .metric-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* Sections Styling */
        section {
            padding: 80px 0;
            background-color: var(--bg-white);
        }

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

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: #1A202C;
            margin-bottom: 16px;
            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 {
            font-size: 1.1rem;
            color: var(--text-muted);
        }

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

        .about-content h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-features {
            margin-top: 30px;
        }

        .about-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
        }

        .feature-icon-bullet {
            background-color: var(--primary-light);
            color: var(--primary);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }

        .about-image-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .about-img-wrap {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 4px solid var(--bg-white);
        }

        /* Service Cards */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .card {
            background-color: var(--bg-white);
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(233, 30, 99, 0.3);
        }

        .card-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 20px;
            background-color: var(--primary-light);
            width: 60px;
            height: 60px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .card-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #1A202C;
        }

        .card-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            flex-grow: 1;
        }

        /* Support Platforms & Cloud Tags */
        .platforms-box {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .tag {
            background-color: var(--bg-light);
            color: var(--text-main);
            padding: 8px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .tag:hover {
            background-color: var(--primary-light);
            color: var(--primary);
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* Steps Layout */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-item {
            background-color: var(--bg-white);
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            position: relative;
            z-index: 2;
        }

        .step-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 3rem;
            font-weight: 900;
            color: rgba(233, 30, 99, 0.08);
            line-height: 1;
        }

        .step-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--primary);
        }

        /* Media Gallery (Cases) */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .gallery-item {
            border-radius: var(--radius);
            overflow: hidden;
            background-color: var(--bg-white);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .gallery-img-box {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: #eaeaea;
        }

        .gallery-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .gallery-item:hover .gallery-img-box img {
            transform: scale(1.05);
        }

        .gallery-info {
            padding: 20px;
        }

        .gallery-category {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .gallery-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
        }

        /* Table Design */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background-color: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

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

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

        th {
            background-color: var(--bg-pink);
            color: var(--text-main);
            font-weight: 700;
        }

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

        .rating-badge {
            background-color: #4CAF50;
            color: white;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.85rem;
            font-weight: bold;
        }

        /* Form Design */
        .form-container {
            background-color: var(--bg-white);
            padding: 40px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            max-width: 800px;
            margin: 0 auto;
            border: 1px solid var(--border-color);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

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

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

        .form-control {
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            font-size: 1rem;
            background-color: var(--bg-light);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.15);
        }

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

        /* Testimonials Section */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .comment-card {
            background-color: var(--bg-white);
            padding: 30px;
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-style: italic;
            color: var(--text-main);
            margin-bottom: 20px;
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .author-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
        }

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

        /* FAQ Section */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

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

        .faq-question {
            padding: 20px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--bg-white);
            transition: var(--transition);
        }

        .faq-question:hover {
            background-color: var(--bg-pink);
            color: var(--primary);
        }

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

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

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

        .faq-answer-inner {
            padding: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 300px; /* Large enough to fit text */
        }

        /* Article & Informational Section */
        .article-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .article-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .article-title a:hover {
            color: var(--primary);
        }

        .article-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
            margin-top: 15px;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        /* Footer and Links */
        footer {
            background-color: #1A202C;
            color: #E2E8F0;
            padding: 60px 0 20px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h5 {
            color: var(--bg-white);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
        }

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

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul li a {
            color: #A0AEC0;
            font-size: 0.95rem;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .footer-qrcode-box {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .footer-qrcode-box img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            border: 4px solid var(--bg-white);
        }

        .friend-links {
            border-top: 1px solid #2D3748;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.85rem;
        }

        .friend-links a {
            color: #A0AEC0;
            background-color: #2D3748;
            padding: 4px 10px;
            border-radius: 4px;
        }

        .friend-links a:hover {
            color: var(--bg-white);
            background-color: var(--primary);
        }

        .copyright-area {
            border-top: 1px solid #2D3748;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #718096;
        }

        /* Floating Contact Box */
        .float-bar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--bg-white);
            border-radius: 50%;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

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

        .float-item svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            padding: 20px;
            width: 220px;
            display: none;
            flex-direction: column;
            align-items: center;
            text-align: center;
            color: var(--text-main);
        }

        .float-popover img {
            width: 130px;
            height: 130px;
            margin-bottom: 10px;
        }

        .float-popover p {
            font-size: 0.85rem;
            font-weight: bold;
        }

        .float-item:hover .float-popover {
            display: flex;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .metrics-grid, .steps-grid, .gallery-grid, .comments-grid, .article-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.show {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .metrics-grid, .steps-grid, .gallery-grid, .comments-grid, .article-list {
                grid-template-columns: 1fr;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }