/* 全局样式重置 */* { margin: 0; padding: 0; box-sizing: border-box;}body { font-family: 'Microsoft YaHei', Arial, sans-serif; line-height: 1.6; color: #333; background-color: #f8f8f8;}.container { max-width: 1200px; margin: 0 auto; padding: 0 20px;}/* 头部样式 */.header { background-color: #fff; box-shadow: 0 2px 4px rgba(0,0,0,0.1); position: sticky; top: 0; z-index: 1000;}.header-top { display: flex; justify-content: space-between; align-items: center; padding: 15px 0;}.logo img { max-height: 60px;}.header-right { display: flex; align-items: center; gap: 20px;}.language-switcher a { color: #333; text-decoration: none; margin-left: 15px; font-size: 14px;}.language-switcher a.active { color: #4CAF50; font-weight: bold;}.search-box { position: relative;}.search-box input { padding: 8px 12px; border: 1px solid #ddd; border-radius: 4px; width: 200px;}.search-box button { position: absolute; right: 0; top: 0; height: 100%; padding: 0 10px; border: none; background-color: #4CAF50; color: #fff; border-radius: 0 4px 4px 0; cursor: pointer;}/* 主导航 */.main-nav { border-top: 1px solid #eee; border-bottom: 1px solid #eee;}.main-nav ul { display: flex; list-style: none;}.main-nav ul li { position: relative;}.main-nav ul li a { display: block; padding: 15px 20px; color: #333; text-decoration: none; transition: color 0.3s;}.main-nav ul li a:hover { color: #4CAF50;}/* 下拉菜单 */.dropdown { position: relative;}.dropdown-menu { position: absolute; top: 100%; left: 0; background-color: #fff; box-shadow: 0 8px 16px rgba(0,0,0,0.15); min-width: 200px; border-radius: 8px; overflow: hidden; display: none; z-index: 1001; transform: translateY(10px); opacity: 0; transition: transform 0.3s ease, opacity 0.3s ease;}.dropdown:hover .dropdown-menu { display: block; transform: translateY(0); opacity: 1;}.dropdown-menu li { position: relative;}.dropdown-menu li a { padding: 12px 20px; border-bottom: 1px solid #f0f0f0; transition: all 0.3s ease; display: flex; align-items: center; gap: 8px;}.dropdown-menu li a:hover { background-color: #f8f8f8; color: #4CAF50; padding-left: 25px;}.dropdown-menu li:last-child a { border-bottom: none;}/* 下拉菜单箭头 */.dropdown > a::after { content: '▼'; font-size: 10px; margin-left: 8px; transition: transform 0.3s ease; display: inline-block;}.dropdown:hover > a::after { transform: rotate(180deg);}/* 按钮样式 */.btn { display: inline-block; padding: 10px 20px; border-radius: 4px; text-decoration: none; font-weight: bold; transition: all 0.3s; border: none; cursor: pointer;}.btn-primary { background-color: #4CAF50; color: #fff;}.btn-primary:hover { background-color: #45a049; transform: translateY(-2px);}.btn-secondary { background-color: #f1f1f1; color: #333; border: 1px solid #ddd;}.btn-secondary:hover { background-color: #e0e0e0;}/* 主横幅 */.hero { background-image: url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=beautiful%20dog%20and%20cat%20in%20natural%20setting%2C%20green%20grass%2C%20warm%20sunlight%2C%20high%20quality%20photography&image_size=landscape_16_9'); background-size: cover; background-position: center; height: 600px; display: flex; align-items: center; justify-content: center; text-align: center; color: #fff; position: relative;}.hero::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0,0,0,0.5);}.hero-content { position: relative; z-index: 1; max-width: 800px;}.hero h1 { font-size: 48px; margin-bottom: 20px; text-shadow: 2px 2px 4px rgba(0,0,0,0.5);}.hero p { font-size: 24px; margin-bottom: 30px; text-shadow: 1px 1px 2px rgba(0,0,0,0.5);}/* 产品系列 */.products-section { padding: 80px 0; background-color: #fff;}.products-section h2 { text-align: center; font-size: 36px; margin-bottom: 60px; color: #333;}.products-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px;}.product-card { background-color: #f9f9f9; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.1); transition: transform 0.3s, box-shadow 0.3s;}.product-card:hover { transform: translateY(-5px); box-shadow: 0 4px 8px rgba(0,0,0,0.15);}.product-card img { width: 100%; height: 200px; object-fit: cover;}.product-card h3 { padding: 20px 20px 10px; font-size: 20px; color: #333;}.product-card p { padding: 0 20px 20px; color: #666; margin-bottom: 20px;}.product-card .btn { margin: 0 20px 20px; width: calc(100% - 40px); text-align: center;}/* 品牌优势 */.features-section { padding: 80px 0; background-color: #f8f8f8;}.features-section h2 { text-align: center; font-size: 36px; margin-bottom: 60px; color: #333;}.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px;}.feature-item { text-align: center; padding: 30px; background-color: #fff; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);}.feature-item i { font-size: 48px; color: #4CAF50; margin-bottom: 20px;}.feature-item h3 { font-size: 20px; margin-bottom: 15px; color: #333;}.feature-item p { color: #666;}/* 客户评价 */.testimonials-section { padding: 80px 0; background-color: #fff;}.testimonials-section h2 { text-align: center; font-size: 36px; margin-bottom: 60px; color: #333;}.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px;}.testimonial-card { background-color: #f9f9f9; border-radius: 8px; padding: 30px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);}.testimonial-content p { font-style: italic; margin-bottom: 20px; color: #666; line-height: 1.6;}.testimonial-author { display: flex; align-items: center; gap: 15px;}.testimonial-author img { width: 50px; height: 50px; border-radius: 50%; object-fit: cover;}.testimonial-author span { font-weight: bold; color: #333;}/* 联系我们 */.contact-section { padding: 80px 0; background-color: #f8f8f8;}.contact-section h2 { text-align: center; font-size: 36px; margin-bottom: 60px; color: #333;}.contact-content { display: grid; grid-template-columns: 1fr 1fr; gap: 40px;}.contact-info { background-color: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);}.contact-info p { margin-bottom: 20px; color: #666;}.contact-info ul { list-style: none;}.contact-info ul li { margin-bottom: 15px; display: flex; align-items: center; gap: 10px; color: #333;}.contact-info ul li i { color: #4CAF50; font-size: 18px;}.contact-form { background-color: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 4px rgba(0,0,0,0.1);}.form-group { margin-bottom: 20px;}.form-group input,.form-group textarea { width: 100%; padding: 12px; border: 1px solid #ddd; border-radius: 4px; font-size: 14px;}.form-group textarea { resize: vertical; min-height: 120px;}.contact-form .btn { width: 100%; padding: 12px; font-size: 16px;}/* 页脚 */.footer { background-color: #333; color: #fff; padding: 60px 0 30px;}.footer-content { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px;}.footer-column h3 { font-size: 18px; margin-bottom: 20px; color: #4CAF50;}.footer-column ul { list-style: none;}.footer-column ul li { margin-bottom: 10px;}.footer-column ul li a { color: #ccc; text-decoration: none; transition: color 0.3s;}.footer-column ul li a:hover { color: #4CAF50;}.footer-bottom { border-top: 1px solid #444; padding-top: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px;}.footer-social a { color: #ccc; font-size: 20px; margin-left: 15px; transition: color 0.3s;}.footer-social a:hover { color: #4CAF50;}.footer-copyright { font-size: 14px; color: #999;}/* 响应式设计 */@media (max-width: 992px) { .products-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; } .features-grid { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; } .testimonials-grid { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; } .contact-content { grid-template-columns: 1fr; gap: 30px; }}@media (max-width: 768px) { .header-top { flex-direction: column; gap: 15px; text-align: center; padding: 10px 0; } .header-right { flex-direction: column; gap: 10px; width: 100%; justify-content: center; } .search-box { width: 100%; max-width: 300px; margin: 0 auto; } .search-box input { width: 100%; } .main-nav ul { flex-direction: column; } .main-nav ul li a { padding: 12px 15px; border-bottom: 1px solid #eee; text-align: center; } .dropdown-menu { position: static; display: none; box-shadow: none; border-left: 2px solid #4CAF50; margin-left: 20px; width: calc(100% - 20px); } .dropdown-menu li a { text-align: left; } .hero { height: 400px; } .hero h1 { font-size: 36px; } .hero p { font-size: 18px; } .products-section, .features-section, .testimonials-section, .contact-section { padding: 60px 0; } .products-section h2, .features-section h2, .testimonials-section h2, .contact-section h2 { font-size: 28px; margin-bottom: 40px; } .footer-content { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 30px; } .footer-bottom { flex-direction: column; text-align: center; gap: 15px; } .footer-social a { margin: 0 10px; }}@media (max-width: 480px) { .hero { height: 350px; } .hero h1 { font-size: 28px; } .hero p { font-size: 16px; } .products-section h2, .features-section h2, .testimonials-section h2, .contact-section h2 { font-size: 24px; } .product-card, .feature-item, .testimonial-card { padding: 20px; } .contact-info, .contact-form { padding: 20px; } .footer-content { grid-template-columns: 1fr; text-align: center; } .footer-column ul li { margin-bottom: 8px; }}