* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; }
        .container { max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { font-size: 2.2rem; margin-bottom: 20px; color: #2c3e50; border-bottom: 3px solid #3498db; padding-bottom: 10px; }
        h2 { font-size: 1.8rem; margin: 30px 0 15px; color: #34495e; }
        h3 { font-size: 1.4rem; margin: 20px 0 10px; color: #2980b9; }
        p { margin-bottom: 15px; font-size: 1rem; }
        ul { margin: 10px 0 20px 25px; }
        li { margin-bottom: 8px; }
        .product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 15px; margin: 20px 0; }
        .product-item { padding: 12px; border: 1px solid #eee; border-radius: 4px; background: #fafafa; }
        .cta-box { background: #2c3e50; color: #fff; padding: 25px; border-radius: 6px; margin: 30px 0; text-align: center; }
        .cta-box h2, .cta-box p, .cta-box strong { color: #fff; }
        .faq-item { margin: 15px 0; padding: 15px; border-left: 4px solid #3498db; background: #f8f9fa; }
        @media (max-width: 768px) {
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .container { padding: 15px; }
            .product-grid { grid-template-columns: 1fr; }
        }