:root {
            --primary-color: #30A0FF;
            --secondary-color: #000000;
            --light-blue: #E6F3FF;
            --dark-blue: #1E40AF;
            --success-green: #10B981;
            --whatsapp-green: #25D366;
        }
        
        body {
            font-family: 'Inter', sans-serif;
            line-height: 1.6;
            color: var(--secondary-color);
        }
        
        .primary-color { color: var(--primary-color); }
        .bg-primary { background-color: var(--primary-color); }
        .border-primary { border-color: var(--primary-color); }
        .bg-light-blue { background-color: var(--light-blue); }
        
        .hero-gradient {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--dark-blue) 100%);
        }
        
        .section-divider {
            height: 3px;
            background: linear-gradient(90deg, var(--primary-color) 0%, transparent 100%);
            margin: 2rem 0;
        }
        
        .highlight-box {
            border-left: 4px solid var(--primary-color);
            background-color: var(--light-blue);
            padding: 1.5rem;
            margin: 1.5rem 0;
        }
        
        .faq-item {
            border: 2px solid #E5E7EB;
            border-radius: 8px;
            margin-bottom: 1rem;
            transition: all 0.3s ease;
        }
        
        .faq-item:hover {
            border-color: var(--primary-color);
            box-shadow: 0 4px 12px rgba(48, 160, 255, 0.1);
        }
        
        .comparison-table {
            border-collapse: collapse;
            width: 100%;
            margin: 2rem 0;
        }
        
        .comparison-table th {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem;
            text-align: left;
        }
        
        .comparison-table td {
            padding: 1rem;
            border-bottom: 1px solid #E5E7EB;
        }
        
        .comparison-table tr:nth-child(even) {
            background-color: #F9FAFB;
        }
        
        .product-card {
            background: white;
            border-radius: 12px;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            margin-bottom: 2rem;
        }
        
        .product-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(48, 160, 255, 0.15);
        }
        
        .toc-link {
            color: var(--primary-color);
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .toc-link:hover {
            color: var(--dark-blue);
            text-decoration: underline;
        }
        
        .inquiry-button {
            display: inline-flex;
            align-items: center;
            padding: 12px 24px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            margin: 8px;
        }
        
        .email-inquiry {
            background-color: var(--primary-color);
            color: white;
        }
        
        .email-inquiry:hover {
            background-color: var(--dark-blue);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(48, 160, 255, 0.3);
        }
        
        .whatsapp-inquiry {
            background-color: var(--whatsapp-green);
            color: white;
        }
        
        .whatsapp-inquiry:hover {
            background-color: #128C7E;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
        }
        
        .product-link {
            color: var(--primary-color);
            text-decoration: none;
            font-weight: 500;
            border-bottom: 1px solid transparent;
            transition: all 0.3s ease;
        }
        
        .product-link:hover {
            color: var(--dark-blue);
            border-bottom-color: var(--primary-color);
        }
        
        .inquiry-section {
            background: linear-gradient(135deg, var(--light-blue) 0%, white 100%);
            border: 2px solid var(--primary-color);
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
            text-align: center;
        }
        
        @media print {
            body { font-size: 12px; }
            .no-print { display: none !important; }
        }
        
        .expo-info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 2rem 0;
        }
        
        .info-card {
            background: white;
            border: 2px solid var(--primary-color);
            border-radius: 8px;
            padding: 1.5rem;
            text-align: center;
        }
        
        .stats-highlight {
            background: linear-gradient(135deg, var(--primary-color), var(--dark-blue));
            color: white;
            padding: 2rem;
            border-radius: 12px;
            margin: 2rem 0;
        }