:root {
            --primary-color: #4a6bff;
            --secondary-color: #00d1b2;
            --dark-color: #1a1a2e;
            --light-color: #f8f9fa;
            --text-color: #333;
            --text-light: #666;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: #f5f7fa;
            overflow-x: hidden;
        }
        
        a {
            text-decoration: none;
            color: var(--primary-color);
            transition: all 0.3s ease;
        }
        
        a:hover {
            color: var(--secondary-color);
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* Header */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(5px);
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: 700;
            color: var(--dark-color);
        }
        
        .logo i {
            color: var(--primary-color);
            margin-right: 10px;
            font-size: 28px;
        }
        
        nav ul {
            display: flex;
            list-style: none;
        }
        
        nav ul li {
            margin-left: 30px;
        }
        
        nav ul li a {
            color: var(--text-color);
            font-weight: 500;
            position: relative;
        }
        
        nav ul li a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            bottom: -5px;
            left: 0;
            transition: width 0.3s ease;
        }
        
        nav ul li a:hover:after {
            width: 100%;
        }
        
        .mobile-menu {
            display: none;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* Banner */
        .banner {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 150px 0 100px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('aiglasses1.jpg') center/cover no-repeat;
            opacity: 0.3;
            z-index: 0;
        }
        
        .banner-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .banner h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
        }
        
        .banner p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--secondary-color);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }
        
        .btn:hover {
            background-color: #00b7a1;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .btn-outline {
            background-color: transparent;
            border: 2px solid white;
            margin-left: 15px;
        }
        
        .btn-outline:hover {
            background-color: white;
            color: var(--primary-color);
        }
        
        /* Features */
        .features {
            padding: 80px 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2:after {
            content: '';
            position: absolute;
            width: 50px;
            height: 3px;
            background: var(--primary-color);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .section-title p {
            color: var(--text-light);
            max-width: 700px;
            margin: 0 auto;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background-color: var(--light-color);
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .feature-icon {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        
        /* About */
        .about {
            padding: 80px 0;
            background-color: #f5f7fa;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.5s ease;
        }
        
        .about-image:hover img {
            transform: scale(1.05);
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h2 {
            font-size: 2.5rem;
            color: var(--dark-color);
            margin-bottom: 20px;
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: var(--text-light);
        }
        
        /* Why Choose Us */
        .why-choose-us {
            padding: 80px 0;
            background-color: white;
        }
        
        .reasons {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        
        .reason {
            text-align: center;
            padding: 30px;
            border-radius: 10px;
            transition: all 0.3s ease;
            background-color: var(--light-color);
        }
        
        .reason:hover {
            background-color: var(--primary-color);
            color: white;
        }
        
        .reason:hover h3, .reason:hover p, .reason:hover .reason-icon {
            color: white;
        }
        
        .reason-icon {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 20px;
        }
        
        .reason h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark-color);
        }
        
        .reason p {
            color: var(--text-light);
        }
        
        /* E-commerce Section */
        .ecommerce {
            padding: 80px 0;
            background-color: #f5f7fa;
        }
        
        .shop-section {
            margin-bottom: 60px;
        }
        
        .shop-header {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
        }
        
        .shop-logo {
            width: 50px;
            height: 50px;
            margin-right: 15px;
            border-radius: 50%;
            background-color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .shop-logo i {
            font-size: 24px;
        }
        
        .taobao-logo {
            color: #FF4200;
        }
        
        .wechat-logo {
            color: #07C160;
        }
        
        .shop-title {
            font-size: 1.8rem;
            color: var(--dark-color);
        }
        
        .products {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: all 0.3s ease;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .product-image {
            width: 100%;
            height: 250px;
            object-fit: cover;
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-title {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark-color);
        }
        
        .product-desc {
            color: var(--text-light);
            margin-bottom: 15px;
            font-size: 0.9rem;
        }
        
        .product-price {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 15px;
        }
        
        .product-price span {
            font-size: 0.9rem;
            color: var(--text-light);
            text-decoration: line-through;
            margin-left: 10px;
        }
        
        .product-btn {
            display: block;
            width: 100%;
            padding: 10px;
            background-color: var(--primary-color);
            color: white;
            text-align: center;
            border-radius: 5px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .product-btn:hover {
            background-color: #3a5bed;
        }
        
        /* CTA */
        .cta {
            background: linear-gradient(135deg, #6B73FF 0%, #000DFF 100%);
            color: white;
            padding: 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        
        .cta::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('aiglasses3.jpg') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        
        .cta-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .cta h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        
        .cta p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        /* Footer */
        footer {
            background-color: var(--dark-color);
            color: white;
            padding: 60px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        
        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3:after {
            content: '';
            position: absolute;
            width: 40px;
            height: 2px;
            background: var(--primary-color);
            bottom: 0;
            left: 0;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: #aaa;
            transition: all 0.3s ease;
        }
        
        .footer-column ul li a:hover {
            color: white;
            padding-left: 5px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background-color: var(--primary-color);
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }
        
        .friend-links {
            text-align: center;
            padding: 20px 0;
           
        }
        
        .friend-links a {
            margin: 0 10px;
            color: var(--text-light);
            font-size: 0.9rem;
        }
        
        .friend-links a:hover {
            color: var(--primary-color);
        }
        
        /* Responsive */
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .about-image, .about-text {
                flex: none;
                width: 100%;
            }
        }
        
        @media (max-width: 768px) {
            .header-container {
                padding: 15px;
            }
            
            nav {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 80%;
                height: calc(100vh - 70px);
                background-color: white;
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
                transition: all 0.3s ease;
                z-index: 999;
            }
            
            nav.active {
                left: 0;
            }
            
            nav ul {
                flex-direction: column;
                padding: 20px;
            }
            
            nav ul li {
                margin: 15px 0;
            }
            
            .mobile-menu {
                display: block;
            }
            
            .banner h1 {
                font-size: 2.5rem;
            }
            
            .btn {
                display: block;
                width: 100%;
                margin-bottom: 15px;
            }
            
            .btn-outline {
                margin-left: 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .cta h2 {
                font-size: 2rem;
            }
            
            .shop-title {
                font-size: 1.5rem;
            }
        }
        
        @media (max-width: 576px) {
            .banner h1 {
                font-size: 2rem;
            }
            
            .banner p, .cta p {
                font-size: 1rem;
            }
            
            .section-title h2, .about-text h2, .cta h2 {
                font-size: 1.8rem;
            }
            
            .feature-card, .reason {
                padding: 20px;
            }
        }
        .section {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: #1D2939;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: #165DFF;
            border-radius: 2px;
        }
        
        .section-title p {
            font-size: 1.1rem;
            color: #667085;
            max-width: 700px;
            margin: 0 auto;
        }
		
		       /* 图片展示样式 */
        .gallery {
            background-color: white;
        }
        
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
        }
        
        .gallery-item {
            border-radius: 15px;
            overflow: hidden;
            height: 300px;
            position: relative;
            cursor: pointer;
        }
        
        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .gallery-item:hover img {
            transform: scale(1.1);
        }
        
        .gallery-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
            color: white;
            padding: 20px;
            transform: translateY(100%);
            transition: transform 0.3s ease;
        }
        
        .gallery-item:hover .gallery-caption {
            transform: translateY(0);
        }