.pagination {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            margin: 2rem 0;
            padding: 0;
            list-style: none;
        }
        .pagination .page-item {
            margin: 0;
        }
        .pagination .page-link {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0.5rem 0.75rem;
            color: #333;
            text-decoration: none;
            background-color: #fff;
            border: 1px solid #dee2e6;
            border-radius: 4px;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        .pagination .page-link:hover {
            color: #fff;
            background-color: #007bff;
            border-color: #007bff;
            transform: translateY(-2px);
            box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
        }
        .pagination .page-item.active .page-link {
            color: #fff;
            background-color: #007bff;
            border-color: #007bff;
            cursor: default;
            box-shadow: 0 2px 8px rgba(0, 123, 255, 0.3);
        }
        .pagination .page-item.disabled .page-link {
            color: #6c757d;
            background-color: #fff;
            border-color: #dee2e6;
            cursor: not-allowed;
            opacity: 0.6;
        }
        .pagination .page-item.disabled .page-link:hover {
            transform: none;
            box-shadow: none;
            background-color: #fff;
            border-color: #dee2e6;
            color: #6c757d;
        }
        .pagination .page-info {
            margin-left: 1rem;
            padding: 0.5rem 1rem;
            color: #6c757d;
            font-size: 0.9rem;
        }
        .pagination .page-info-text {
            display: inline-block;
        }
        .pagination .page-info-text strong {
            color: #007bff;
            font-weight: 600;
        }
        @media (max-width: 576px) {
            .pagination {
                gap: 0.25rem;
            }
            .pagination .page-link {
                min-width: 36px;
                height: 36px;
                padding: 0.375rem 0.5rem;
                font-size: 0.875rem;
            }
            .pagination .page-info {
                margin-left: 0.5rem;
                font-size: 0.8rem;
            }
        }

        /* Breadcrumb Styles */
        .breadcrumb-nav {
            margin: 1.5rem 0;
        }
        .breadcrumb-custom {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .breadcrumb-item-custom {
            display: flex;
            align-items: center;
            margin: 0;
        }
        .breadcrumb-link {
            display: flex;
            align-items: center;
            color: #6c757d;
            text-decoration: none;
            transition: color 0.3s ease;
            font-weight: 500;
            font-size: 0.95rem;
        }
        .breadcrumb-link:hover {
            color: #007bff;
        }
        .breadcrumb-link i {
            font-size: 0.85rem;
            margin-right: 0.25rem;
        }
        .breadcrumb-separator {
            display: flex;
            align-items: center;
            color: #adb5bd;
            font-size: 0.75rem;
            margin: 0;
        }
        .breadcrumb-current {
            color: #212529;
            font-weight: 600;
            font-size: 0.95rem;
        }

        /* Product Styles - 标题在图片上方 */
        .sigma_product.style-2 {
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .sigma_product-header {
            margin-bottom: 0.75rem;
            min-height: 60px;
            display: flex;
            align-items: flex-start;
            justify-content: center; /* 添加这行 */
    text-align: center; /* 添加这行 */
        }

        .sigma_product-title {
            margin: 0;
            line-height: 1.3;
        }

        .sigma_product-title a {
            color: #000000;
            text-decoration: none;
            font-size: 1rem;
            font-weight: 600;
            transition: color 0.3s ease;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            text-overflow: ellipsis;
            text-align: center;
        }

        .sigma_product-title a:hover {
            color: #007bff;
        }

        .sigma_product-thumb {
            position: relative;
            overflow: hidden;
            border-radius: 8px;
            border: 2px solid transparent;
            transition: all 0.3s ease;
            flex-grow: 1;
            display: flex;
            aspect-ratio: 1 / 1; /* 固定占位为正方形，避免抖动 */
            background: #f6f7f8;
        }

        .sigma_product-thumb .img-placeholder {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, #f6f7f8 0%, #ececec 50%, #f6f7f8 100%);
            background-size: 200% 100%;
            animation: shimmer 1.2s ease-in-out infinite;
            transition: opacity 0.3s ease;
        }

        .sigma_product-thumb.img-loaded .img-placeholder {
            opacity: 0;
            visibility: hidden;
        }

        @keyframes shimmer {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        .sigma_product-thumb:hover {
            border-color: #000000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .sigma_product-thumb a {
            display: block;
            position: relative;
            width: 100%;
            height: 100%;
        }

        .sigma_product-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.3s ease, opacity 0.3s ease;
            opacity: 0;
        }

        .sigma_product-thumb.img-loaded img {
            opacity: 1;
        }

        .sigma_product-thumb:hover img {
            transform: scale(1.05);
        }

        /* Sidebar Styles */
        .sidebar {
            position: sticky;
            top: 20px;
        }

        /* Category Item Card Styles - 每个分类项是独立的卡片 */
        .category-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .category-item {
            margin: 0;
        }
        .category-link {
            display: flex;
            align-items: center;
            padding: 1rem 1.25rem;
            color: #495057;
            text-decoration: none;
            background-color: #ffffff;
            border: 1px solid #e9ecef;
            border-radius: 8px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
            position: relative;
            overflow: hidden;
        }
        .category-link::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 4px;
            background: #007bff;
            transform: scaleY(0);
            transition: transform 0.3s ease;
        }
        .category-link:hover {
            background-color: #ffffff;
            color: #007bff;
            border-color: #007bff;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 123, 255, 0.2);
        }
        .category-link:hover::before {
            transform: scaleY(1);
        }
        .category-link i {
            font-size: 0.75rem;
            margin-right: 0.75rem;
            transition: transform 0.3s ease;
            color: #6c757d;
        }
        .category-link:hover i {
            transform: translateX(5px);
            color: #007bff;
        }
        .category-link span {
            flex: 1;
            font-weight: 500;
            font-size: 0.95rem;
        }

        /* Responsive Styles */
        @media (max-width: 991px) {
            .sidebar {
                position: static;
                margin-top: 2rem;
            }
        }
        @media (max-width: 576px) {
            .breadcrumb-nav {
                margin: 1rem 0;
            }
            .breadcrumb-link {
                font-size: 0.85rem;
            }
            .breadcrumb-current {
                font-size: 0.85rem;
            }
            .breadcrumb-separator {
                font-size: 0.7rem;
            }
            .sigma_product-header {
                min-height: 50px;
                margin-bottom: 0.5rem;
            }
            .sigma_product-title a {
                font-size: 0.9rem;
            }
            .category-link {
                padding: 0.875rem 1rem;
                font-size: 0.9rem;
            }
            .category-link span {
                font-size: 0.9rem;
            }
        }