.breadcrumb {
            max-width: 1200px;
            margin: 20px auto;
            padding: 0 20px;
            font-size: 14px;
            color: #666;
        }

        .breadcrumb a {
            color: #3498db;
            text-decoration: none;
        }

        .breadcrumb a:hover {
            text-decoration: underline;
        }

        /* Main Container */
        .main-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .product-section {
            background: #fff;
            border-radius: 8px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }

        /* Product Top Section */
        .product-top {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        /* Product Gallery */
        .product-gallery {
            flex: 1;
            min-width: 300px;
            max-width: 500px;
        }

        .main-image-container {
            position: relative;
            width: 100%;
            height: 400px;
            background-color: #f8f8f8;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
        }

        .main-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
            font-size: 18px;
            opacity: 0;
            transition: opacity 0.5s ease-in-out;
            background-color: #f8f8f8;
        }

        .main-image.active {
            opacity: 1;
        }

        .main-image img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

        /* Image Navigation Arrows */
        .image-nav {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            background-color: rgba(0,0,0,0.5);
            color: #fff;
            border: none;
            border-radius: 50%;
            cursor: pointer;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.3s;
            z-index: 10;
        }

        .image-nav:hover {
            background-color: rgba(0,0,0,0.8);
        }

        .image-nav.prev {
            left: 10px;
        }

        .image-nav.next {
            right: 10px;
        }

        /* Thumbnail List */
        .thumbnail-list {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding: 5px 0;
        }

        .thumbnail {
            width: 80px;
            height: 80px;
            min-width: 80px;
            background-color: #f8f8f8;
            border: 2px solid #e0e0e0;
            border-radius: 4px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #bbb;
            font-size: 12px;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .thumbnail:hover {
            border-color: #3498db;
            transform: scale(1.05);
        }

        .thumbnail.active {
            border-color: #3498db;
            box-shadow: 0 0 10px rgba(52, 152, 219, 0.3);
        }

        .thumbnail img {
            max-width: 100%;
            max-height: 100%;
            object-fit: cover;
        }

        /* Image Counter */
        .image-counter {
            position: absolute;
            bottom: 15px;
            left: 50%;
            transform: translateX(-50%);
            background-color: rgba(0,0,0,0.6);
            color: #fff;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 14px;
        }

        /* Zoom Effect */
        .main-image-container:hover .main-image.active {
            cursor: zoom-in;
        }

        /* Product Info */
        .product-info {
            flex: 1;
            min-width: 300px;
        }

        .product-title {
            font-size: 26px;
            color: #2c3e50;
            margin-bottom: 20px;
            line-height: 1.4;
        }

        .product-meta {
            margin-bottom: 25px;
            padding-bottom: 20px;
            border-bottom: 1px solid #eee;
        }

        .meta-item {
            display: flex;
            margin-bottom: 12px;
        }

        .meta-label {
            width: 140px;
            color: #666;
            font-weight: 500;
        }

        .meta-value {
            flex: 1;
            color: #333;
        }

        .product-short-desc {
            color: #666;
            margin-bottom: 20px;
            padding: 15px;
            background-color: #f9f9f9;
            border-radius: 4px;
            border-left: 3px solid #3498db;
        }

        /* Feature Tags */
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .feature-tag {
            padding: 8px 16px;
            background-color: #e8f4fc;
            color: #3498db;
            border-radius: 20px;
            font-size: 14px;
        }

        /* Section Title */
        .section-title {
            font-size: 20px;
            color: #2c3e50;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #3498db;
            display: inline-block;
        }

        /* Description Content */
        .description-content {
            color: #555;
            line-height: 1.8;
        }

        .description-content p {
            margin-bottom: 15px;
        }

        /* Specs Table */
        .specs-table {
            width: 100%;
            border-collapse: collapse;
        }

        .specs-table tr:nth-child(even) {
            background-color: #f9f9f9;
        }

        .specs-table td {
            padding: 12px 15px;
            border: 1px solid #eee;
        }

        .specs-table td:first-child {
            width: 30%;
            background-color: #f5f5f5;
            font-weight: 500;
            color: #555;
        }

        /* Features List */
        .features-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            padding: 15px;
            background-color: #f9f9f9;
            border-radius: 8px;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .feature-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            background-color: #3498db;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 20px;
            flex-shrink: 0;
        }

        .feature-text h4 {
            color: #2c3e50;
            margin-bottom: 5px;
        }

        .feature-text p {
            color: #666;
            font-size: 14px;
        }

        /* Related Products */
        .related-products {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .related-item {
            background: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            transition: transform 0.3s, box-shadow 0.3s;
            cursor: pointer;
        }

        .related-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }

        .related-image {
            height: 180px;
            background-color: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #999;
        }

        .related-info {
            padding: 15px;
            height: 78px;
            overflow: hidden;
        }

        .related-info h4 {
            color: #2c3e50;
            font-size: 14px;
            margin-bottom: 8px;
            line-height: 1.4;
        }