:root {
            --bg-primary: #f8fafc;
            --bg-secondary: #ffffff;
            --text-main: #0f172a;
            --text-muted: #475569;
            --accent-glow: linear-gradient(135deg, #a5f3fc 0%, #c084fc 40%, #fbcfe8 100%);
            --accent-border: linear-gradient(90deg, #22d3ee, #c084fc, #f472b6);
            --primary-color: #7c3aed;
            --secondary-color: #06b6d4;
            --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
            --transition-smooth: 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-primary);
        }

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

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

        /* Laser Holographic Effects */
        .hologram-text {
            background: linear-gradient(120deg, #06b6d4, #7c3aed, #ec4899);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .hologram-btn {
            position: relative;
            background: var(--bg-secondary);
            border: 2px solid transparent;
            border-image: var(--accent-border) 1;
            color: var(--text-main);
            padding: 12px 32px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition-smooth);
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.15);
        }

        .hologram-btn:hover {
            box-shadow: 0 8px 25px rgba(124, 58, 237, 0.3);
            transform: translateY(-2px);
        }

        .glow-card {
            background: var(--bg-secondary);
            border: 1px solid rgba(192, 132, 252, 0.15);
            border-radius: 16px;
            padding: 32px;
            box-shadow: var(--card-shadow);
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .glow-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px -15px rgba(192, 132, 252, 0.25);
            border-color: rgba(192, 132, 252, 0.4);
        }

        /* Header Navigation */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition-smooth);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        nav a {
            text-decoration: none;
            color: var(--text-muted);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition-smooth);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--text-main);
        }

        /* Hero Section (No Images Allowed) */
        .hero {
            position: relative;
            padding: 120px 0 90px;
            text-align: center;
            background: radial-gradient(circle at 50% 50%, rgba(244, 114, 182, 0.05) 0%, rgba(192, 132, 252, 0.05) 40%, rgba(248, 250, 252, 0) 100%);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            height: 2px;
            background: var(--accent-border);
        }

        h1.hero-title {
            font-size: 44px;
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 760px;
            margin: 0 auto 40px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-badge-container {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 50px;
            flex-wrap: wrap;
        }

        .hero-badge {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 99px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* Section Headings */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 32px;
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
        }

        section {
            padding: 80px 0;
        }

        /* Data Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .stat-card {
            text-align: center;
        }

        .stat-val {
            font-size: 40px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .stat-lbl {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Services Grid */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-icon {
            font-size: 36px;
            margin-bottom: 20px;
            display: inline-block;
        }

        /* Model Logo Cloud */
        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-top: 30px;
        }

        .model-tag {
            background: #f1f5f9;
            padding: 6px 16px;
            border-radius: 99px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
            transition: var(--transition-smooth);
        }

        .model-tag:hover {
            background: var(--accent-glow);
            color: var(--text-main);
        }

        /* Workflow Timeline */
        .workflow-timeline {
            position: relative;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

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

        .step-num {
            width: 50px;
            height: 50px;
            background: var(--accent-glow);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            margin: 0 auto 20px;
            border: 2px solid var(--bg-secondary);
            box-shadow: 0 0 10px rgba(192, 132, 252, 0.3);
        }

        /* Pricing Table */
        .table-responsive {
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            background: var(--bg-secondary);
        }

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

        th, td {
            padding: 16px 24px;
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

        th {
            background-color: #f8fafc;
            font-weight: 600;
        }

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

        /* Evaluation Block */
        .rating-badge {
            background: linear-gradient(135deg, #fef08a 0%, #facc15 100%);
            padding: 8px 16px;
            border-radius: 8px;
            color: #713f12;
            font-weight: bold;
            display: inline-block;
            margin-bottom: 16px;
        }

        /* Case Center */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--bg-secondary);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .case-image-container {
            height: 200px;
            overflow: hidden;
            background-color: #e2e8f0;
            position: relative;
        }

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

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

        .case-content {
            padding: 24px;
        }

        /* Form Styling */
        .form-section {
            background: linear-gradient(185deg, #ffffff 0%, #f8fafc 100%);
            border-radius: 24px;
            padding: 50px 40px;
            box-shadow: var(--card-shadow);
            max-width: 800px;
            margin: 0 auto;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 24px;
        }

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

        .form-control {
            width: 100%;
            padding: 14px 16px;
            border: 1px solid rgba(226, 232, 240, 1);
            border-radius: 8px;
            font-size: 15px;
            background-color: var(--bg-secondary);
            transition: var(--transition-smooth);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            font-size: 14px;
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-secondary);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-header {
            padding: 20px 24px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-header::after {
            content: '+';
            font-size: 20px;
            transition: var(--transition-smooth);
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 15px;
        }

        .faq-item.active .faq-content {
            padding: 0 24px 20px;
            max-height: 500px;
        }

        /* Customer Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .review-card {
            background: var(--bg-secondary);
            border-radius: 16px;
            padding: 28px;
            box-shadow: var(--card-shadow);
            border-top: 4px solid transparent;
            border-image: var(--accent-border) 1;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            background: var(--accent-glow);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        /* Articles list */
        .articles-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .article-item {
            background: var(--bg-secondary);
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--card-shadow);
            transition: var(--transition-smooth);
        }

        .article-item:hover {
            transform: translateX(5px);
        }

        .article-item a {
            color: var(--text-main);
            text-decoration: none;
            font-weight: 600;
        }

        /* Float Widget */
        .float-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: var(--bg-secondary);
            padding: 16px;
            border-radius: 16px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            width: 140px;
            font-size: 12px;
            border: 2px solid transparent;
            border-image: var(--accent-border) 1;
        }

        .float-widget img {
            width: 100px;
            height: 100px;
            object-fit: cover;
        }

        /* Footer */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px;
        }

        footer a {
            color: #cbd5e1;
            text-decoration: none;
            transition: var(--transition-smooth);
        }

        footer a:hover {
            color: #38bdf8;
        }

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

        .footer-brand p {
            margin: 16px 0;
            line-height: 1.8;
        }

        .footer-links h4 {
            color: #ffffff;
            margin-bottom: 20px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid #334155;
        }

        .friend-links a {
            font-size: 13px;
            background: #1e293b;
            padding: 6px 12px;
            border-radius: 4px;
        }

        .copyright-bar {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #1e293b;
            font-size: 13px;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-actions {
                display: none;
            }

            .menu-toggle {
                display: block;
            }

            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-secondary);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid #e2e8f0;
            }

            nav.active {
                display: block;
            }

            nav ul {
                flex-direction: column;
                padding: 20px;
                gap: 16px;
            }

            .hero-title {
                font-size: 32px;
            }

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

            .form-group-full {
                grid-column: span 1;
            }

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

            .workflow-timeline {
                grid-template-columns: 1fr;
            }
        }