/* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        
        body {
            line-height: 1.6;
            color: #333;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 导航栏 */
        header {
            background-color: #2c3e50;
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 100;
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 24px;
            font-weight: bold;
        }
        
        .nav-links {
            display: flex;
        }
        
        .nav-links li {
            margin-left: 20px;
        }
        
        .nav-links a {
            padding: 5px 10px;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: #3498db;
        }
        
        .menu-toggle {
            display: none;
            cursor: pointer;
            font-size: 24px;
        }
        
        /* Banner 区域 */
        .banner {
            height: 650px;
            background-image: /*linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)),*/ url('../images/airwheel-se3sl-scooter-suitcase.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            display: flex;
            align-items: center;
            text-align: center;
        }
        
        .banner-content {
            width: 100%;
        }
        
        .banner h1 {
            font-size: 48px;
            margin-bottom: 20px;
        }
        
        .banner p {
            font-size: 20px;
            margin-bottom: 30px;
        }
        
        .btn {
            display: inline-block;
            background-color: #3498db;
            color: white;
            padding: 10px 30px;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        
        .btn:hover {
            background-color: #2980b9;
        }
        
        /* 产品区域 */
        .products {
            padding: 60px 0;
            background-color: #f9f9f9;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: #2c3e50;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background: white;
            border-radius: 5px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }
        
        .product-card:hover {
            transform: translateY(-10px);
        }
        
        .product-img {
            height: 330px;
            background-color: #ddd;
            background-size: cover;
            background-position: center;
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-info h3 {
            margin-bottom: 10px;
            font-size: 20px;
        }
        
        .product-info p {
            color: #666;
            margin-bottom: 15px;
        }
        
        /* 新闻区域 */
        .news {
            padding: 60px 0;
        }
        
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .news-card {
            border: 1px solid #eee;
            border-radius: 5px;
            overflow: hidden;
        }
        
        .news-img {
            height: 180px;
            background-color: #ddd;
            background-size: cover;
            background-position: center;
        }
        
        .news-content {
            padding: 20px;
        }
        
        .news-date {
            color: #3498db;
            font-size: 14px;
            margin-bottom: 10px;
        }
        
        .news-content h3 {
            margin-bottom: 6px;
            font-size: 14px;
        }
        
        .news-content p {
            color: #666;
            margin-bottom: 15px;
        }
        
        .read-more {
            color: #3498db;
            font-weight: bold;
        }
        
        /* 底部页脚 */
        footer {
            background-color: #2c3e50;
            color: white;
            padding: 50px 0 20px;
        }
        
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 50px;
            height: 2px;
            background-color: #3498db;
        }
        
        .footer-column p {
            margin-bottom: 15px;
            color: #bbb;
        }
        
        .footer-links li {
            margin-bottom: 10px;
        }
        
        .footer-links a {
            color: #bbb;
            transition: color 0.3s;
        }
        
        .footer-links a:hover {
            color: white;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: #34495e;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            transition: background-color 0.3s;
        }
        
        .social-links a:hover {
            background-color: #3498db;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #34495e;
            color: #bbb;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background-color: #2c3e50;
                flex-direction: column;
                align-items: center;
                padding-top: 30px;
                transition: left 0.3s;
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 15px 0;
            }
            
            .banner h1 {
                font-size: 36px;
            }
            
            .banner p {
                font-size: 18px;
            }
        }
        
        @media (max-width: 480px) {
            .banner {
                height: 300px;
            }
            
            .banner h1 {
                font-size: 28px;
            }
            
            .section-title h2 {
                font-size: 28px;
            }
        }