* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f9f9f9;
            display: flex;
            justify-content: center;
            padding: 20px;
            color: #333;
        }
        
        .product-page {
            width: 800px;
            background: white;
            box-shadow: 0 0 25px rgba(0, 0, 0, 0.15);
            border-radius: 12px;
            overflow: hidden;
        }
        
        /* Header Styles */
        header {
            background: linear-gradient(to right, #000 70%, #FF4500);
            color: white;
            padding: 18px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }
        
        .logo {
            font-size: 28px;
            font-weight: bold;
            display: flex;
            align-items: center;
        }
        
        .logo span {
            color: #FF4500;
            margin-left: 5px;
        }
        
        .logo-icon {
            font-size: 24px;
            margin-right: 10px;
            color: #FF4500;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav li {
            margin-left: 22px;
            position: relative;
        }
        
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
            font-size: 16px;
            padding: 5px 0;
            position: relative;
        }
        
        nav a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: #FF4500;
            transition: width 0.3s;
        }
        
        nav a:hover:after {
            width: 100%;
        }
        
        nav a:hover {
            color: #FF4500;
        }
        
        /* Promo Banner */
        .promo-banner {
            background-color: #FF4500;
            color: white;
            text-align: center;
            padding: 12px;
            font-size: 16px;
            font-weight: 500;
        }
        
        .promo-banner i {
            margin-right: 8px;
        }
        
        /* Product Container */
        .product-container {
            display: flex;
            flex-wrap: wrap;
        }
        
        .product-images {
            flex: 1;
            min-width: 300px;
            padding: 25px;
            background: #fafafa;
            border-right: 1px solid #eee;
        }
        
        .image-container {
            position: relative;
        }
        
        .main-image {
            width: 100%;
            border-radius: 10px;
            transition: transform 0.3s;
        }
        
        .main-image:hover {
            transform: scale(1.02);
        }
        
        .product-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background-color: #FF4500;
            color: white;
            padding: 8px 15px;
            border-radius: 20px;
            font-weight: bold;
            font-size: 14px;
        }
        
        .thumbnail-container {
            display: flex;
            gap: 12px;
            margin-top: 15px;
            justify-content: center;
        }
        
        .thumbnail {
            width: 70px;
            height: 70px;
            border-radius: 6px;
            cursor: pointer;
            border: 2px solid transparent;
            transition: all 0.3s;
            object-fit: cover;
        }
        
        .thumbnail:hover {
            border: 2px solid #FF4500;
            transform: translateY(-3px);
        }
        
        .zoom-text {
            text-align: center;
            margin-top: 10px;
            font-size: 14px;
            color: #777;
        }
        
        .product-info {
            flex: 1;
            min-width: 300px;
            padding: 25px;
            background-color: #fffaf8;
            position: relative;
        }
        
        h1 {
            font-size: 32px;
            margin-bottom: 8px;
            color: #000;
            line-height: 1.2;
        }
        
        .subtitle {
            color: #666;
            font-size: 18px;
            margin-bottom: 15px;
            font-weight: 400;
        }
        
        .price-container {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }
        
        .price {
            font-size: 28px;
            color: #FF4500;
            font-weight: bold;
            margin-right: 15px;
        }
        
        .original-price {
            font-size: 20px;
            color: #999;
            text-decoration: line-through;
        }
        
        .discount {
            background-color: #000;
            color: white;
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 14px;
            margin-left: 15px;
        }
        
        .description {
            margin-bottom: 20px;
            line-height: 1.7;
            color: #444;
        }
        
        .features {
            margin-bottom: 25px;
        }
        
        .features li {
            margin-bottom: 10px;
            list-style-type: none;
            padding-left: 28px;
            position: relative;
            color: #555;
        }
        
        .features li:before {
            content: "✓";
            color: #FF4500;
            position: absolute;
            left: 0;
            font-weight: bold;
            font-size: 18px;
        }
        
        .size-selector {
            margin-bottom: 25px;
        }
        
        .size-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 10px;
        }
        
        .size-guide {
            color: #FF4500;
            text-decoration: none;
            font-size: 14px;
        }
        
        .size-options {
            display: flex;
            gap: 10px;
            margin-top: 10px;
            flex-wrap: wrap;
        }
        
        .size-option {
            width: 50px;
            height: 50px;
            border: 1px solid #ddd;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            font-weight: 600;
            border-radius: 5px;
        }
        
        .size-option:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        }
        
        .size-option.selected {
            background-color: #FF4500;
            color: white;
            border-color: #FF4500;
        }
        
        .color-options {
            margin-bottom: 25px;
        }
        
        .color-choices {
            display: flex;
            gap: 15px;
            margin-top: 10px;
        }
        
        .color-option {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            cursor: pointer;
            transition: transform 0.3s;
            border: 2px solid transparent;
        }
        
        .color-option.selected {
            transform: scale(1.2);
            border: 2px solid #000;
        }
        
        .color-black {
            background-color: #000;
        }
        
        .color-orange {
            background-color: #FF4500;
        }
        
        .color-blue {
            background-color: #0066cc;
        }
        
        .action-buttons {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .cta-button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: #FF4500;
            color: white;
            padding: 16px 30px;
            text-decoration: none;
            font-weight: bold;
            border-radius: 8px;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s;
            text-align: center;
            flex: 1;
            gap: 10px;
            box-shadow: 0 4px 10px rgba(255, 69, 0, 0.3);
        }
        
        .cta-button:hover {
            background-color: #e03d00;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(255, 69, 0, 0.4);
        }
        
        .cta-button.secondary {
            background-color: #000;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        }
        
        .cta-button.secondary:hover {
            background-color: #222;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
        }
        
        .shipping-info {
            margin-top: 25px;
            padding: 15px;
            background-color: #f5f5f5;
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .shipping-info i {
            font-size: 24px;
            color: #FF4500;
        }
        
        /* Product Details Tabs */
        .product-details {
            padding: 30px;
        }
        
        .tabs {
            display: flex;
            border-bottom: 2px solid #eee;
            margin-bottom: 25px;
        }
        
        .tab {
            padding: 15px 25px;
            cursor: pointer;
            font-weight: 600;
            color: #666;
            position: relative;
            transition: color 0.3s;
        }
        
        .tab.active {
            color: #FF4500;
        }
        
        .tab.active:after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: #FF4500;
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
        }
        
        .specs-table {
            width: 100%;
            border-collapse: collapse;
        }
        
        .specs-table tr {
            border-bottom: 1px solid #eee;
        }
        
        .specs-table td {
            padding: 12px 15px;
        }
        
        .specs-table td:first-child {
            font-weight: 600;
            width: 40%;
            color: #555;
        }
        
        /* Reviews Section */
        .reviews {
            padding: 30px;
            border-top: 1px solid #eee;
            background-color: #fafafa;
        }
        
        .reviews-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .rating-overview {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        
        .average-rating {
            font-size: 48px;
            font-weight: 700;
            color: #000;
        }
        
        .rating-details {
            flex: 1;
        }
        
        .rating-bar {
            display: flex;
            align-items: center;
            margin-bottom: 8px;
        }
        
        .rating-label {
            width: 80px;
            font-size: 14px;
            color: #555;
        }
        
        .bar-container {
            flex: 1;
            height: 8px;
            background-color: #eee;
            border-radius: 4px;
            overflow: hidden;
            margin: 0 10px;
        }
        
        .bar {
            height: 100%;
            background-color: #FF4500;
            border-radius: 4px;
        }
        
        .review {
            margin-bottom: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid #eee;
        }
        
        .review:last-child {
            border-bottom: none;
            margin-bottom: 0;
            padding-bottom: 0;
        }
        
        .reviewer {
            font-weight: bold;
            margin-bottom: 5px;
            display: flex;
            justify-content: space-between;
        }
        
        .review-date {
            color: #777;
            font-weight: normal;
            font-size: 14px;
        }
        
        .rating {
            color: #FF4500;
            margin-bottom: 10px;
        }
        
        /* Related Products */
        .related-products {
            padding: 30px;
            background-color: #fffaf8;
            border-top: 1px solid #eee;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 30px;
            font-size: 24px;
            color: #000;
            position: relative;
            padding-bottom: 15px;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background-color: #FF4500;
        }
        
        .products-grid {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .product-card {
            width: calc(50% - 20px);
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: transform 0.3s;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
        }
        
        .product-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        
        .product-card-content {
            padding: 15px;
        }
        
        .product-card-title {
            font-weight: 600;
            margin-bottom: 8px;
            color: #000;
        }
        
        .product-card-price {
            color: #FF4500;
            font-weight: bold;
        }
        
        /* FAQ Section */
        .faq {
            padding: 30px;
            background-color: white;
            border-top: 1px solid #eee;
        }
        
        .faq-item {
            margin-bottom: 20px;
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
        }
        
        .faq-question {
            padding: 15px 20px;
            background-color: #fafafa;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .faq-answer {
            padding: 20px;
            background-color: white;
            color: #555;
            line-height: 1.6;
        }
        
        /* Footer */
        footer {
            background: linear-gradient(to right, #000, #222);
            color: white;
            padding: 40px 30px 20px;
            text-align: center;
        }
        
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-around;
            margin-bottom: 30px;
            text-align: left;
        }
        
        .footer-column {
            flex: 1;
            min-width: 200px;
            margin-bottom: 20px;
        }
        
        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: #FF4500;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: #FF4500;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column li {
            margin-bottom: 12px;
        }
        
        .footer-column a {
            color: #ddd;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column a:hover {
            color: #FF4500;
        }
        
        .social-links {
            margin-bottom: 25px;
            display: flex;
            justify-content: center;
            gap: 20px;
        }
        
        .social-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: #333;
            color: white;
            border-radius: 50%;
            text-decoration: none;
            transition: all 0.3s;
        }
        
        .social-links a:hover {
            background-color: #FF4500;
            transform: translateY(-3px);
        }
        
        .copyright {
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #999;
            font-size: 14px;
        }
        
        /* Responsive Styles */
        @media (max-width: 830px) {
            .product-page {
                width: 100%;
            }
        }
        
        @media (max-width: 600px) {
            .product-container {
                flex-direction: column;
            }
            
            header {
                flex-direction: column;
                text-align: center;
                padding: 15px;
            }
            
            nav ul {
                margin-top: 15px;
                justify-content: center;
                flex-wrap: wrap;
            }
            
            nav li {
                margin: 5px 10px;
            }
            
            .size-options {
                justify-content: center;
            }
            
            .action-buttons {
                flex-direction: column;
            }
            
            .rating-overview {
                flex-direction: column;
                text-align: center;
            }
            
            .product-card {
                width: 100%;
            }
            
            .footer-content {
                flex-direction: column;
            }
        }