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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
        }

        /* Header */
        .header {
            background: #000;
            color: white;
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            display: flex;
            align-items: center;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-menu a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
        }

        .nav-menu a:hover {
            color: #ccbc9a;
        }

        .nav-actions {
            display: flex;
            gap: 1rem;
            align-items: center;
        }

        .language-switcher {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }

        .language-switcher button {
			height: 30px;
            background: none;
            border: 1px solid white;
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 3px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .language-switcher button:hover,
        .language-switcher button.active {
            background: #ccbc9a;
            border-color: #ccbc9a;
        }

        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 0.5rem;
        }

        .mobile-menu-toggle span {
            width: 25px;
            height: 3px;
            background: white;
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 2px;
        }

        .mobile-menu-toggle.active span:nth-child(1) {
            transform: rotate(-45deg) translate(-5px, 6px);
        }

        .mobile-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .mobile-menu-toggle.active span:nth-child(3) {
            transform: rotate(45deg) translate(-5px, -6px);
        }

        /* Mobile Menu */
        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            background: #333;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            transform: translateY(-100%);
            transition: transform 0.3s ease;
            opacity: 0;
            visibility: hidden;
        }

        .mobile-nav.active {
            display: block;
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        .mobile-nav ul {
            list-style: none;
            padding: 1rem 0;
        }

        .mobile-nav ul li {
            padding: 0.8rem 2rem;
            border-bottom: 1px solid #444;
        }

        .mobile-nav ul li:last-child {
            border-bottom: none;
        }

        .mobile-nav ul li a {
            color: white;
            text-decoration: none;
            font-size: 1.1rem;
            transition: color 0.3s;
        }

        .mobile-nav ul li a:hover {
            color: #e74c3c;
        }

        .mobile-language-switcher {
            padding: 1rem 2rem;
            border-top: 1px solid #444;
            display: flex;
            gap: 0.5rem;
        }

        .mobile-language-switcher button {
            height: 30px;
            background: none;
            border: 1px solid white;
            color: white;
            padding: 0.3rem 0.8rem;
            border-radius: 3px;
            cursor: pointer;
            transition: all 0.3s;
        }

        .mobile-language-switcher button:hover,
        .mobile-language-switcher button.active {
            background: #e74c3c;
            border-color: #e74c3c;
        }

        .btn {
            padding: 0.5rem 1rem;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.3s;
            display: inline-block;
        }

        .btn-primary {
            background: #e74c3c;
            color: white;
        }

        .btn-primary:hover {
            background: #c0392b;
            transform: translateY(-2px);
        }

        /* Hero Banner Section */
        .hero-banner {
            height: 100vh;
            position: relative;
            overflow: hidden;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            background-size: cover;
            background-position: center;
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.2);
            z-index: 1;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            position: relative;
        }

        /*.section-title h2::after {
            content: '';
            width: 50px;
            height: 3px;
            background: #ccbc9a;
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }*/

        /* Product Filter Styles */
        .product-filter {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            margin-bottom: 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 2rem;
        }

        .filter-group {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .filter-label {
            font-weight: bold;
            color: #333;
            min-width: 80px;
        }

        .category-filters {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .category-btn {
            padding: 0.5rem 1rem;
            border: 2px solid #ddd;
            background: white;
            border-radius: 20px;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 0.9rem;
            white-space: nowrap;
        }

        .category-btn:hover {
            border-color: #ccbc9a;
            color: #ccbc9a;
        }

        .category-btn.active {
            background: #ccbc9a;
            border-color: #ccbc9a;
            color: white;
        }

        .brand-select {
            padding: 0.5rem 1rem;
            border: 2px solid #ddd;
            border-radius: 5px;
            background: white;
            cursor: pointer;
            min-width: 150px;
            font-size: 0.9rem;
            transition: border-color 0.3s;
        }

        .brand-select:focus {
            outline: none;
            border-color: #ccbc9a;
        }

        /* Products Section */
        .products-section {
            padding: 5rem 0;
            background: #f8f9fa;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-top: 2rem;
            /*height: 20rem;*/
        }

        .product-card {
            /*background: white;*/
            /*border-radius: 10px;*/
            overflow: hidden;
            /*box-shadow: 0 5px 15px rgba(0,0,0,0.1);*/
            transition: transform 0.3s;
            cursor: pointer;
            position: relative;
            width: 100%;
        }

        .product-card:hover {
            /*transform: translateY(-5px);*/
        }

        .product-image {
            position: absolute;
            top: 0;
            left: 0;
            height: 260px;
            width: 100%;
            background: linear-gradient(45deg, #3498db, #2980b9);
            /*position: relative;*/
            overflow: hidden;
            transition: transform 0.3s ease;
            background-size: cover;
            background-position: center;
        }
        
        .product-card .product-image:first-child {
            z-index: 10;
        }
       

        .product-card:hover .product-image:first-child {
            display: none;
        }
        
        .product-card .product-image:last-child {
            z-index: 12;
        }
        
        .product-card:hover .product-image:last-child {
            transform: scale(1.1);
            display: block;
        }

        .product-card:hover .product-image {
            transform: scale(1.1);
        }

        .product-image-placeholder {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 3rem;
            color: white;
            text-shadow: 0 2px 4px rgba(0,0,0,0.3);
        }

        .product-content {
            padding: 1.5rem 0;
            padding-top: calc(260px + 1.5rem);
        }

        .product-card h4 {
            font-size: 1.2rem;
            margin-bottom: 0.8rem;
            color: #333;
            line-height: 1.4;
        }

        .product-brands {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem;
            margin-bottom: 0.8rem;
        }

        .brand-tag {
            background-color: #e3f2fd;
            color: #1976d2;
            padding: 0.2rem 0.5rem;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 500;
        }

        .product-categories {
            display: flex;
            flex-wrap: wrap;
            gap: 0.3rem;
            margin-bottom: 1rem;
        }

        .category-tag {
            background-color: #f3e5f5;
            color: #7b1fa2;
            padding: 0.2rem 0.5rem;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 500;
        }

        .product-price {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .current-price {
            color: #ccbc9a;
            font-weight: bold;
            font-size: 1.3rem;
        }

        .original-price {
            color: #999;
            text-decoration: line-through;
            font-size: 1rem;
        }

        .stock-info {
            font-size: 0.8rem;
            color: #666;
            margin-top: 0.5rem;
        }

        .stock-low {
            color: #ff6b6b;
        }

        .stock-empty {
            color: #dc3545;
            font-weight: bold;
        }

        /* Loading State */
        .loading {
            text-align: center;
            padding: 3rem;
            color: #666;
        }

        .loading-spinner {
            width: 40px;
            height: 40px;
            border: 4px solid #f3f3f3;
            border-top: 4px solid #e74c3c;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 1rem;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .error-message {
            text-align: center;
            padding: 3rem;
            color: #e74c3c;
            background: #ffeaea;
            border-radius: 8px;
            margin: 2rem 0;
        }

        .no-products {
            text-align: center;
            padding: 3rem;
            color: #666;
            font-style: italic;
        }

        /* Load More Button */
        .load-more-section {
            text-align: center;
            margin-top: 3rem;
            padding: 2rem 0;
        }

        .load-more-btn {
            background: #e74c3c;
            color: white;
            border: none;
            padding: 0.8rem 2rem;
            border-radius: 25px;
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
        }

        .load-more-btn:hover {
            background: #c0392b;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(231, 76, 60, 0.4);
        }

        .load-more-btn:disabled {
            background: #bdc3c7;
            cursor: not-allowed;
            transform: none;
            box-shadow: none;
        }

        /* Footer */
        .footer {
            background: #000;
            color: white;
            padding: 2rem 0;
            text-align: center;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .footer-copyright {
            flex: 1;
            text-align: center;
            font-size: 0.9rem;
            color: #ccc;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
            }

            .language-switcher {
                display: none;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .mobile-nav {
                display: block;
            }

            .products-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .footer-content {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }

            .footer-copyright {
                text-align: center;
            }

            .product-filter {
                flex-direction: column;
                gap: 1rem;
                align-items: stretch;
            }

            .filter-group {
                flex-direction: column;
                align-items: stretch;
                gap: 0.5rem;
            }

            .category-filters {
                justify-content: center;
            }

            .brand-select {
                min-width: auto;
            }
        }

        @media (max-width: 480px) {
            .products-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .load-more-btn {
                padding: 0.6rem 1.5rem;
                font-size: 0.9rem;
            }
        }

        /* Animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in {
            animation: fadeInUp 0.6s ease-out;
        }

        /* Scroll animations */
        .section {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease-out;
        }

        .section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 隐藏类 */
        .hidden {
            display: none !important;
        }