.product-description {         font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;         color: #333;         line-height: 1.6;         margin: 0;         padding: 0;         background-color: #fff;         font-size: 16px;     }     .product-description p {         margin-bottom: 20px;     }     .product-description h4 {         color: #222;         margin-top: 20px;         margin-bottom: 10px;     }     .features {         list-style: none;         padding: 0;     }     .features li {         margin: 8px 0;         position: relative;         padding-left: 20px;     }     .features li:before {         content: "✓";         position: absolute;         left: 0;         color: #28a745;         font-weight: bold;     }