* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.7;
            color: #333;
            background: #fefefe;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .product-header {
            text-align: center;
            margin: 60px 0;
            padding: 0 20px;
        }

        .product-title {
            font-size: 2.8rem;
            font-weight: 300;
            color: #1a1a1a;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .product-subtitle {
            font-size: 1.3rem;
            color: #666;
            font-weight: 300;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .content-section {
            margin: 60px 0;
            padding: 0 20px;
        }

        .section-title {
            font-size: 1.5rem;
            font-weight: 400;
            color: #1a1a1a;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eaeaea;
        }

        .paragraph {
            margin-bottom: 24px;
            font-size: 1.1rem;
            color: #444;
            text-align: justify;
        }

        .highlight {
            background: linear-gradient(120deg, #f0f0f0 0%, #f8f8f8 100%);
            padding: 40px;
            margin: 40px 0;
            border-radius: 8px;
            border-left: 4px solid #1a1a1a;
        }

        .highlight-title {
            font-size: 1.3rem;
            font-weight: 500;
            margin-bottom: 20px;
            color: #1a1a1a;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .feature-card {
            padding: 30px;
            background: #fafafa;
            border-radius: 6px;
            border: 1px solid #eaeaea;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 500;
            margin-bottom: 15px;
            color: #1a1a1a;
        }

        .specs-container {
            background: #f8f9fa;
            padding: 40px;
            border-radius: 8px;
            margin: 40px 0;
        }

        .specs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 15px;
            margin-top: 25px;
        }

        .spec-item {
            display: flex;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid #e0e0e0;
        }

        .spec-name {
            font-weight: 500;
            color: #555;
        }

        .spec-value {
            font-weight: 600;
            color: #1a1a1a;
        }

        .cta-section {
            text-align: center;
            padding: 60px 40px;
            background: #1a1a1a;
            color: white;
            border-radius: 8px;
            margin: 60px 0;
        }

        .cta-title {
            font-size: 1.8rem;
            font-weight: 300;
            margin-bottom: 20px;
        }

        .cta-button {
            display: inline-block;
            background: white;
            color: #1a1a1a;
            padding: 15px 40px;
            text-decoration: none;
            border-radius: 6px;
            font-weight: 500;
            margin-top: 25px;
            transition: all 0.3s ease;
            border: 2px solid white;
        }

        .cta-button:hover {
            background: transparent;
            color: white;
        }

        @media (max-width: 768px) {
            .product-title {
                font-size: 2.2rem;
            }
            
            .feature-grid {
                grid-template-columns: 1fr;
            }
            
            .highlight, .specs-container {
                padding: 25px;
            }
            
            body {
                padding: 15px;
            }
        }

        @media (max-width: 480px) {
            .product-title {
                font-size: 1.8rem;
            }
            
            .product-subtitle {
                font-size: 1.1rem;
            }
            
            .content-section {
                padding: 0 10px;
            }
        }