/* 全局样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        
        body {
            background-color: #f9f9f9;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* 导航栏 */
        header {
            background-color: #4a7c59;
            color: white;
            padding: 20px 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 28px;
            font-weight: bold;
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 40px;
            margin-right: 10px;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 30px;
        }
        
        .nav-links a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .nav-links a:hover {
            color: #d8f3dc;
        }
        
        /* 英雄区域 */
        .hero {
            background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1586671267731-da2cf3ceeb80?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
            background-size: cover;
            background-position: center;
            height: 500px;
            display: flex;
            align-items: center;
            text-align: center;
            color: white;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
        }
        
        .hero p {
            font-size: 20px;
            margin-bottom: 30px;
        }
        
        .btn {
            display: inline-block;
            background-color: #ff9f1c;
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        
        .btn:hover {
            background-color: #ffbf69;
            transform: translateY(-3px);
        }
        
        /* 产品展示 */
        .products {
            padding: 80px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .section-title h2 {
            font-size: 36px;
            color: #4a7c59;
            margin-bottom: 15px;
        }
        
        .section-title p {
            color: #777;
            max-width: 700px;
            margin: 0 auto;
        }
        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, 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-img {
            height: 250px;
            overflow: hidden;
        }
        
        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .product-card:hover .product-img img {
            transform: scale(1.1);
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-info h3 {
            font-size: 22px;
            margin-bottom: 10px;
            color: #4a7c59;
        }
        
        .product-info p {
            color: #666;
            margin-bottom: 15px;
            min-height: 60px;
        }
        
        .product-price {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .price {
            font-size: 20px;
            font-weight: bold;
            color: #ff9f1c;
        }
        
        .add-to-cart {
            background-color: #4a7c59;
            color: white;
            border: none;
            padding: 8px 15px;
            border-radius: 5px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .add-to-cart:hover {
            background-color: #3a6a49;
        }
        
        /* 关于我们 */
        .about {
            padding: 80px 0;
            background-color: #e8f4ea;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }
        
        .about-img {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .about-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h2 {
            font-size: 36px;
            color: #4a7c59;
            margin-bottom: 20px;
        }
        
        .about-text p {
            margin-bottom: 20px;
            color: #555;
        }
        
        /* 客户评价 */
        .testimonials {
            padding: 80px 0;
        }
        
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 30px;
        }
        
        .testimonial-card {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .testimonial-card .quote {
            font-style: italic;
            margin-bottom: 20px;
            color: #555;
        }
        
        .customer {
            display: flex;
            align-items: center;
        }
        
        .customer img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
            margin-right: 15px;
        }
        
        .customer-info h4 {
            color: #4a7c59;
            margin-bottom: 5px;
        }
        
        .customer-info p {
            color: #777;
            font-size: 14px;
        }
        
        /* 订阅区域 */
        .newsletter {
            padding: 80px 0;
            background-color: #4a7c59;
            color: white;
            text-align: center;
        }
        
        .newsletter h2 {
            font-size: 36px;
            margin-bottom: 20px;
        }
        
        .newsletter p {
            max-width: 600px;
            margin: 0 auto 30px;
        }
        
        .newsletter-form {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
        }
        
        .newsletter-form input {
            flex: 1;
            padding: 15px;
            border: none;
            border-radius: 30px 0 0 30px;
            font-size: 16px;
        }
        
        .newsletter-form button {
            background-color: #ff9f1c;
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 30px 30px 0;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .newsletter-form button:hover {
            background-color: #ffbf69;
        }
        
        /* 页脚 */
        footer {
            background-color: #2d3e3f;
            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: 20px;
            margin-bottom: 20px;
            color: #ff9f1c;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column ul li a {
            color: #ddd;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .footer-column ul li a:hover {
            color: #ff9f1c;
            padding-left: 5px;
        }
        
        .social-links {
            display: flex;
            gap: 15px;
        }
        
        .social-links a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: #3a4a4b;
            border-radius: 50%;
            color: white;
            text-align: center;
            line-height: 40px;
            transition: all 0.3s ease;
        }
        
        .social-links a:hover {
            background-color: #ff9f1c;
            transform: translateY(-3px);
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3a4a4b;
            color: #aaa;
            font-size: 14px;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .hero h1 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .newsletter-form {
                flex-direction: column;
            }
            
            .newsletter-form input {
                border-radius: 30px;
                margin-bottom: 10px;
            }
            
            .newsletter-form button {
                border-radius: 30px;
                padding: 15px;
            }
        }