   * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Helvetica Neue', Arial, sans-serif;
        }
        
        body {
            color: #333;
            line-height: 1.6;
            background-color: #f8f9fa;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 导航栏样式 */
        header {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        
        .logo {
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 50px;
            margin-right: 10px;
        }
        
        .logo-text {
            font-size: 22px;
            font-weight: bold;
            color: #0066cc;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 25px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-links a:hover {
            color: #0066cc;
        }
        
        /* Banner轮播图样式 */
        .banner {
            position: relative;
            height: 500px;
            overflow: hidden;
            margin-bottom: 40px;
            border-radius: 8px;
        }
        
        .slides {
            display: flex;
            transition: transform 0.5s ease-in-out;
            height: 100%;
        }
        
        .slide {
            min-width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        
        .slide::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.4);
        }
        
        .slide-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: white;
            padding: 0 20px;
            max-width: 800px;
        }
        
        .slide-content h1 {
            font-size: 42px;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
        }
        
        .slide-content p {
            font-size: 20px;
            margin-bottom: 30px;
        }
        
        .btn {
            display: inline-block;
            background-color: #0066cc;
            color: white;
            padding: 12px 30px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        
        .btn:hover {
            background-color: #0052a3;
        }
        
        /* 部分样式 */
        .section {
            padding: 60px 0;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        
        .section-title h2 {
            font-size: 32px;
            color: #0066cc;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: #0066cc;
        }
        
        .section-title p {
            color: #666;
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto;
        }
        
        /* 公司介绍样式 */
        .about-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-text h3 {
            font-size: 26px;
            margin-bottom: 20px;
            color: #333;
        }
        
        .about-text p {
            margin-bottom: 15px;
            font-size: 16px;
            line-height: 1.8;
        }
        
        .about-image {
            flex: 1;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        
        /* 合作伙伴样式 */
        .partners {
            background-color: #f1f7ff;
        }
        
        .partner-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
        }
        
        .partner-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
            text-align: center;
            padding: 25px 15px;
        }
        
        .partner-card:hover {
            transform: translateY(-5px);
        }
        
        .partner-logo {
            height: 80px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .partner-logo img {
            max-height: 100%;
            max-width: 100%;
        }
        
        .partner-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: #333;
        }
        
        .partner-card p {
            color: #666;
            font-size: 14px;
        }
        
        /* 品牌产品展示样式 */
        .brand-section {
            margin-bottom: 60px;
        }
        
        .brand-header {
            display: flex;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 2px solid #f0f0f0;
        }
        
        .brand-logo {
            width: 100px;
            height: 100px;
            margin-right: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: white;
            border-radius: 8px;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        .brand-logo img {
            max-width: 90%;
            max-height: 90%;
        }
        
        .brand-info h3 {
            font-size: 28px;
            color: #333;
            margin-bottom: 10px;
        }
        
        .brand-info p {
            color: #666;
            font-size: 16px;
        }
        
        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        
        .product-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
        }
        
        .product-image {
            height: 200px;
            overflow: hidden;
        }
        
        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        
        .product-card:hover .product-image img {
            transform: scale(1.05);
        }
        
        .product-info {
            padding: 20px;
        }
        
        .product-info h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: #333;
        }
        
        .product-info p {
            color: #666;
            margin-bottom: 15px;
            font-size: 14px;
        }
        
        .product-price {
            color: #0066cc;
            font-weight: bold;
            font-size: 18px;
            margin-bottom: 15px;
        }
        
        /* 经营理念样式 */
        .values {
            background-color: #f1f7ff;
            text-align: center;
        }
        
        .values-content {
            max-width: 800px;
            margin: 0 auto;
            font-size: 18px;
            line-height: 1.8;
        }
        
        .values-content p {
            margin-bottom: 20px;
        }
        
        /* 联系样式 */
        .contact-content {
            display: flex;
            gap: 40px;
        }
        
        .contact-info {
            flex: 1;
        }
        
        .contact-info h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: #333;
        }
        
        .contact-details {
            margin-bottom: 25px;
        }
        
        .contact-details p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
        }
        
        .contact-details i {
            margin-right: 10px;
            color: #0066cc;
            width: 20px;
        }
        
        .contact-form {
            flex: 1;
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 500;
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
        }
        
        .form-group textarea {
            height: 120px;
            resize: vertical;
        }
        
        /* 页脚样式 */
        footer {
            background-color: #002b5c;
            color: white;
            padding: 40px 0 20px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }
        
        .footer-column {
            flex: 1;
            min-width: 250px;
            margin-bottom: 20px;
        }
        
        .footer-column h3 {
            font-size: 18px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: #0066cc;
        }
        
        .footer-column ul {
            list-style: none;
        }
        
        .footer-column ul li {
            margin-bottom: 10px;
        }
        
        .footer-column a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }
        
        .footer-column a:hover {
            color: white;
        }
        
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: #ccc;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .about-content {
                flex-direction: column;
            }
            
            .contact-content {
                flex-direction: column;
            }
            
            .slide-content h1 {
                font-size: 32px;
            }
            
            .slide-content p {
                font-size: 18px;
            }
            
            .brand-header {
                flex-direction: column;
                text-align: center;
            }
            
            .brand-logo {
                margin-right: 0;
                margin-bottom: 15px;
            }
        }
        
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .banner {
                height: 400px;
            }
            
            .slide-content h1 {
                font-size: 28px;
            }
            
            .slide-content p {
                font-size: 16px;
            }
        }