/* CSS Reset & Variables */
        :root {
            --primary: #4f46e5;
            --primary-light: #818cf8;
            --dark: #0f172a;
            --slate-700: #334155;
            --slate-600: #475569;
            --light: #f8fafc;
            --white: #ffffff;
            
            /* Rainbow Colors */
            --rainbow-1: #ff6b6b;
            --rainbow-2: #ff9f43;
            --rainbow-3: #feca57;
            --rainbow-4: #1dd1a1;
            --rainbow-5: #2e86de;
            --rainbow-6: #9b59b6;
            
            --rainbow-grad: linear-gradient(135deg, var(--rainbow-1), var(--rainbow-2), var(--rainbow-3), var(--rainbow-4), var(--rainbow-5), var(--rainbow-6));
            --btn-rainbow: linear-gradient(45deg, #ff6b6b, #2e86de, #1dd1a1, #feca57);
            
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.08), 0 4px 6px -4px rgb(0 0 0 / 0.08);
            --shadow-hover: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
        }

        * {
            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;
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* Layout Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark);
        }

        section {
            padding: 5rem 0;
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            background-color: var(--white);
        }
        
        section:nth-child(even) {
            background-color: var(--light);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 3.5rem;
        }

        .section-tag {
            display: inline-block;
            padding: 0.25rem 1rem;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            border-radius: 9999px;
            margin-bottom: 1rem;
            color: var(--white);
            background: var(--rainbow-grad);
            background-size: 200% 200%;
            animation: moveGradient 5s ease infinite;
        }

        .section-title {
            font-size: 2.25rem;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--dark) 30%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-desc {
            color: var(--slate-600);
            font-size: 1.1rem;
        }

        /* Rainbow Accents & Animations */
        @keyframes moveGradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }

        .rainbow-bar {
            height: 4px;
            width: 100%;
            background: var(--rainbow-grad);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.75rem 1.75rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 0.5rem;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            border: 1px solid transparent;
            box-shadow: var(--shadow);
        }

        .btn-primary {
            background: var(--btn-rainbow);
            background-size: 300% 100%;
            color: var(--white);
            border: none;
        }

        .btn-primary:hover {
            background-position: 100% 0;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.15);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--slate-700);
            border-color: rgba(148, 163, 184, 0.5);
        }

        .btn-outline:hover {
            background-color: rgba(241, 245, 249, 0.9);
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        .header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
        }

        .header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 4.5rem;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .logo-area .ai-page-logo {
            height: 2.5rem;
            width: auto;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(to right, var(--primary), var(--rainbow-5));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--slate-700);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
        }

        .nav-toggle span {
            display: block;
            width: 1.5rem;
            height: 2px;
            background-color: var(--dark);
            margin: 4px 0;
            transition: var(--transition);
        }

        /* Hero Section (No images) */
        .hero {
            position: relative;
            background: radial-gradient(circle at 10% 20%, rgba(248, 250, 252, 0.9) 0%, rgba(255, 255, 255, 0.9) 100%), linear-gradient(135deg, rgba(255,107,107,0.05), rgba(46,134,222,0.05), rgba(29,209,161,0.05));
            padding: 7rem 0 6rem;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(29,209,161,0.15) 0%, transparent 70%);
            filter: blur(50px);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(46,134,222,0.1) 0%, transparent 70%);
            filter: blur(60px);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 1);
            padding: 0.5rem 1.25rem;
            border-radius: 9999px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--slate-700);
            box-shadow: var(--shadow);
            margin-bottom: 2rem;
        }

        .hero-badge span {
            color: var(--rainbow-1);
        }

        .hero h1 {
            font-size: 3rem;
            letter-spacing: -0.025em;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #1e293b 0%, #3b82f6 50%, #9333ea 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--slate-600);
            max-width: 750px;
            margin: 0 auto 2.5rem;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 4rem;
        }

        /* Metric Grid */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .metric-card {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 1rem;
            padding: 1.5rem;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary-light);
        }

        .metric-num {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 0.5rem;
            background: var(--rainbow-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--slate-600);
            font-weight: 500;
        }

        /* Cards and Grids General */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .card {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 1rem;
            padding: 2rem;
            transition: var(--transition);
            box-shadow: var(--shadow);
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: transparent;
            transition: var(--transition);
        }

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

        .card:hover::before {
            background: var(--rainbow-grad);
        }

        .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 0.75rem;
            margin-bottom: 1.5rem;
            background: var(--light);
            color: var(--primary);
            font-size: 1.5rem;
        }

        .card-title {
            font-size: 1.25rem;
            margin-bottom: 0.75rem;
        }

        .card-desc {
            color: var(--slate-600);
            font-size: 0.95rem;
        }

        /* 3. AIGC Services Section */
        .service-platforms {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 1.5rem;
        }

        .platform-tag {
            background-color: var(--light);
            color: var(--slate-700);
            padding: 0.35rem 0.75rem;
            border-radius: 0.5rem;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

        .platform-tag:hover {
            background-color: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        /* 4. One-stop AIGC Production */
        .workflow-features {
            margin-top: 2rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .feature-bullet {
            color: var(--rainbow-4);
            font-size: 1.25rem;
            line-height: 1;
        }

        /* 7. Standardized Flow (Timeline) */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 2rem 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: rgba(226, 232, 240, 1);
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 3rem;
            width: 100%;
            position: relative;
        }

        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .timeline-node {
            position: absolute;
            left: 50%;
            top: 0;
            transform: translateX(-50%);
            width: 2rem;
            height: 2rem;
            border-radius: 50%;
            background: var(--white);
            border: 4px solid var(--primary);
            z-index: 10;
        }

        .timeline-content {
            width: 45%;
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            padding: 1.5rem;
            border-radius: 0.75rem;
            box-shadow: var(--shadow);
        }

        /* 10. Comparison & Rating */
        .comparison-wrapper {
            margin-top: 3rem;
            overflow-x: auto;
            background-color: var(--white);
            border-radius: 1rem;
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: var(--shadow-lg);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        .comparison-table th, .comparison-table td {
            padding: 1.25rem 1.5rem;
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

        .comparison-table th {
            background-color: var(--light);
            font-weight: 700;
            color: var(--dark);
        }

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

        .rating-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            background-color: #fef3c7;
            color: #d97706;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 700;
        }

        .check-icon {
            color: #10b981;
            font-weight: bold;
        }

        .cross-icon {
            color: #ef4444;
            font-weight: bold;
        }

        /* 12. Token Price Comparison */
        .token-price-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .price-card {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 1rem;
            padding: 1.75rem;
            text-align: center;
            transition: var(--transition);
        }

        .price-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .price-card.featured::after {
            content: "最省首选";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--rainbow-grad);
            color: var(--white);
            padding: 0.25rem 1rem;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 9999px;
        }

        .price-value {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--primary);
            margin: 1rem 0;
        }

        /* 13 & 14. Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .training-card {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .training-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .cert-authority {
            display: inline-block;
            background-color: #fee2e2;
            color: #ef4444;
            padding: 0.25rem 0.75rem;
            border-radius: 0.25rem;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        /* 15 & 16. Help Center & FAQ Accordions */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 0.75rem;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .faq-header {
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 700;
            color: var(--dark);
            background-color: var(--white);
            user-select: none;
            transition: var(--transition);
        }

        .faq-header:hover {
            background-color: var(--light);
        }

        .faq-icon {
            transition: var(--transition);
            font-size: 1.25rem;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
            background-color: var(--white);
            color: var(--slate-600);
            font-size: 0.95rem;
        }

        .faq-body-content {
            padding: 1.25rem 1.5rem;
            border-top: 1px solid rgba(226, 232, 240, 0.8);
        }

        .faq-item.active .faq-body {
            max-height: 250px;
        }

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

        /* 18. AI Dictionary */
        .term-badge-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            margin-top: 2rem;
        }

        .term-card {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 0.75rem;
            padding: 1.25rem;
            max-width: 320px;
            box-shadow: var(--shadow);
        }

        /* 19. Articles / Knowledge Base */
        .article-card {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .article-img-placeholder {
            height: 180px;
            background: linear-gradient(135deg, #e2e8f0 0%, #cbd5e1 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--slate-600);
            font-weight: 700;
        }

        .article-content {
            padding: 1.5rem;
        }

        .article-title {
            font-size: 1.15rem;
            margin-bottom: 0.75rem;
            line-height: 1.4;
        }

        .article-title a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .article-meta {
            font-size: 0.8rem;
            color: var(--slate-600);
        }

        /* 20. Form & Contact Us */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: start;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .info-card {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            padding: 1.5rem;
            border-radius: 0.75rem;
            box-shadow: var(--shadow);
        }

        .info-card-icon {
            font-size: 1.75rem;
            color: var(--primary);
        }

        .info-card-text h4 {
            font-size: 1.1rem;
            margin-bottom: 0.25rem;
        }

        .info-card-text p {
            color: var(--slate-600);
            font-size: 0.95rem;
        }

        .qr-section {
            display: flex;
            gap: 2rem;
            align-items: center;
            margin-top: 1rem;
        }

        .qr-card {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            padding: 1rem;
            border-radius: 0.75rem;
            text-align: center;
            box-shadow: var(--shadow);
        }

        .qr-card img {
            width: 120px;
            height: 120px;
            border-radius: 0.5rem;
            margin-bottom: 0.5rem;
            object-fit: cover;
        }

        .qr-card p {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--dark);
        }

        /* Form Styling */
        .submit-form {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 1rem;
            padding: 2.5rem;
            box-shadow: var(--shadow-lg);
        }

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

        .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--slate-700);
            margin-bottom: 0.5rem;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            border: 1px solid rgba(203, 213, 225, 0.8);
            font-family: inherit;
            font-size: 0.95rem;
            color: var(--dark);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
        }

        /* 21. Reseller Program / Partner Banner */
        .reseller-banner {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.95) 0%, rgba(147, 51, 234, 0.95) 100%);
            color: var(--white);
            border-radius: 1.5rem;
            padding: 3rem;
            text-align: center;
            box-shadow: var(--shadow-lg);
            margin-top: 4rem;
        }

        .reseller-banner h3 {
            color: var(--white);
            font-size: 2rem;
            margin-bottom: 1rem;
        }

        .reseller-banner p {
            color: rgba(255, 255, 255, 0.9);
            max-width: 700px;
            margin: 0 auto 2rem;
            font-size: 1.1rem;
        }

        /* 9. Case Studies Images (Styled Container) */
        .case-image-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            border-radius: 0.5rem 0.5rem 0 0;
            background-color: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

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

        .review-card {
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: var(--shadow);
            position: relative;
        }

        .review-stars {
            color: #f59e0b;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

        .review-text {
            color: var(--slate-600);
            font-size: 0.95rem;
            font-style: italic;
            margin-bottom: 1.5rem;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .user-avatar-placeholder {
            width: 3rem;
            height: 3rem;
            border-radius: 50%;
            background: var(--rainbow-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
        }

        .user-info h4 {
            font-size: 0.95rem;
            margin-bottom: 0.15rem;
        }

        .user-info p {
            color: var(--slate-600);
            font-size: 0.8rem;
        }

        /* Footer */
        .footer {
            background-color: var(--dark);
            color: rgba(248, 250, 252, 0.8);
            padding: 4rem 0 2rem;
            border-top: 4px solid var(--rainbow-1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 2fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-column h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
        }

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

        .footer-links a, .ai-page-home-link {
            color: rgba(248, 250, 252, 0.7);
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .footer-links a:hover, .ai-page-home-link:hover {
            color: var(--white);
        }

        .friend-links-area {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.5rem;
            margin-top: 2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .friend-links-area a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            transition: var(--transition);
        }

        .friend-links-area a:hover {
            color: var(--white);
        }

        .copyright-area {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 2rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* Floating customer service */
        .floating-service {
            position: fixed;
            right: 2rem;
            bottom: 2rem;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .float-btn {
            width: 3.5rem;
            height: 3.5rem;
            border-radius: 50%;
            background-color: var(--white);
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid rgba(226, 232, 240, 0.8);
            position: relative;
        }

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

        .float-btn svg {
            width: 1.5rem;
            height: 1.5rem;
        }

        .float-btn.accent {
            background: var(--btn-rainbow);
            background-size: 300% 100%;
            color: var(--white);
            border: none;
        }

        .float-btn-pop {
            position: absolute;
            bottom: 4rem;
            right: 0;
            background-color: var(--white);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 0.75rem;
            padding: 1rem;
            width: 160px;
            text-align: center;
            box-shadow: var(--shadow-lg);
            display: none;
            opacity: 0;
            transform: translateY(10px);
            transition: var(--transition);
        }

        .float-btn:hover .float-btn-pop {
            display: block;
            opacity: 1;
            transform: translateY(0);
        }

        .float-btn-pop img {
            width: 120px;
            height: 120px;
            border-radius: 0.25rem;
            margin-bottom: 0.5rem;
        }

        .float-btn-pop p {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--dark);
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-layout {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 4.5rem;
                left: 0;
                right: 0;
                background-color: var(--white);
                padding: 1.5rem;
                border-bottom: 1px solid rgba(226, 232, 240, 0.8);
                box-shadow: var(--shadow-lg);
                gap: 1rem;
            }
            .nav.active {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .header-actions .btn {
                display: none;
            }
            .hero h1 {
                font-size: 2.25rem;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-node {
                left: 20px;
            }
            .timeline-item {
                flex-direction: row !important;
                padding-left: 45px;
                margin-bottom: 2rem;
            }
            .timeline-content {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .copyright-area {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
        }