* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            color: #333;
            line-height: 1.6;
            background-color: #f8f9fa;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

         /* 顶部关键词 */
        .top-keywords {
            background-color: #2c3e50;
            color: white;
            padding: 8px 0;
            font-size: 14px;
        }

        .keywords-scroll {
            white-space: nowrap;
            overflow: hidden;
            position: relative;
        }

        .keywords-scroll span {
            display: inline-block;
            padding-left: 100%;
            animation: scroll 20s linear infinite;
        }

        @keyframes scroll {
            0% { transform: translate(0, 0); }
            100% { transform: translate(-100%, 0); }
        }

    
        /* 头部区域 */
        .header {
            background: white;
            padding: 15px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .logo-section {
            display: flex;
            align-items: center;
            flex: 1;
        }

     .logo-area {
            display: flex;
            align-items: center;
            min-width: 200px;
        }
        .logo {
            height: 40px;
            margin-right: 15px;
        }
        .site-name {
            font-size: 1.5rem;
            color: #333;
        }
        .search-area {
            flex: 1;
            display: flex;
            justify-content: center;
            min-width: 300px;
        }
        .search-box {
            padding: 8px 15px;
            border: 2px solid #ffd700;
            border-radius: 25px;
            width:50%;
            min-width: 100px;
            outline: none;
        }
        .search-btn {
            padding: 8px 20px;
            background: #ffd700;
            border: none;
            border-radius: 25px;
            margin-left: 10px;
            cursor: pointer;
        }
   
        /* 导航栏 */
      .nav-container {
            background:#c0392b;
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .navbar {
            display: flex;
            justify-content: center;
            overflow-x: auto;
            padding: 0 15px;
        }

        .navbar::-webkit-scrollbar {
            display: none;
        }

        .navbar a {
            color: white;
            text-decoration: none;
            padding: 15px 20px;
            white-space: nowrap;
            display: inline-block;
            transition: background 0.3s;
        }

        .navbar a:hover {
            background: #3498db;
        }
        /* 产品简介区域 */
        .product-intro {
            padding: 20px 10;
            background-color: white;
            border-radius: 10px;
            margin-top: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .product-title {
            font-size: 32px;
            margin-bottom: 20px;
            color: #2c3e50;
            text-align: center;
            position: relative;
            padding-bottom: 15px;
        }
        
        .product-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, #4a6de5 0%, #ff6b6b 100%);
            border-radius: 2px;
        }
        
        .product-content {
            display: flex;
            flex-wrap: wrap;
            margin: 30px 0;
        }
        
        .product-image {
            flex: 1;
            min-width: 300px;
            padding: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .product-image img {
            width: 100%;
            max-width: 400px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }
        
        .product-image img:hover {
            transform: scale(1.02);
        }
        
 .product-image1 {
            flex: 1;
            min-width: 300px;
            padding: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .product-image1 img {
            width: 100%;
            max-width: 400px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s;
        }
        
        .product-image1 img:hover {
            transform: scale(1.02);
        }


        .product-params {
            flex: 1;
            min-width: 300px;
            padding: 15px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .param-item {
            display: flex;
            margin-bottom: 15px;
            padding: 12px 15px;
            background: linear-gradient(to right, #f8f9fa, #eef2ff);
            border-radius: 8px;
            border-left: 4px solid #4a6de5;
        }
        
        .param-name {
            font-weight: bold;
            min-width: 80px;
            color: #4a6de5;
        }
        
        .param-value {
            font-weight: 500;
        }
        
        .price {
            color: #ff6b6b;
            font-size: 1.2em;
            font-weight: bold;
        }
        
        .company-info {
            flex: 1;
            min-width: 300px;
            padding: 20px;
            background: linear-gradient(135deg, #f8f9fa 0%, #eef2ff 100%);
            border-radius: 10px;
            margin: 15px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            border: 1px solid #e2e8f0;
        }
        
        .company-logo {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, #4a6de5 0%, #3a5bc7 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            margin-bottom: 15px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        
        .company-info h3 {
            color: #2c3e50;
            margin-bottom: 15px;
            padding-bottom: 10px;
            border-bottom: 2px solid #4a6de5;
        }
        
        .company-detail {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
        }
        
        .company-detail i {
            margin-right: 10px;
            color: #4a6de5;
            width: 20px;
            text-align: center;
        }
        
        .keywords {
            display: flex;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        
        .keyword {
            background: linear-gradient(135deg, #4a6de5 0%, #3a5bc7 100%);
            color: white;
            padding: 6px 15px;
            border-radius: 20px;
            margin-right: 10px;
            margin-bottom: 10px;
            font-size: 14px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        /* 产品详情区域 */
        .product-detail {
            padding: 40px 0;
            background-color: white;
            border-radius: 10px;
            margin: 20px 0;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .detail-title {
            font-size: 28px;
            margin-bottom: 25px;
            color: #2c3e50;
            position: relative;
            padding-bottom: 10px;
        }
        
        .detail-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, #4a6de5 0%, #ff6b6b 100%);
            border-radius: 2px;
        }
        
        .detail-content {
            line-height: 1.8;
        }
        
        .detail-content p {
            margin-bottom: 20px;
            text-align: justify;
        }
        
        .detail-content ul {
            margin-bottom: 20px;
            padding-left: 20px;
        }
        
        .detail-content li {
            margin-bottom: 10px;
            position: relative;
        }
        
        .detail-content li::before {
            content: '•';
            color: #4a6de5;
            font-weight: bold;
            display: inline-block;
            width: 1em;
            margin-left: -1em;
        }
        
        /* 页脚样式 */
      .footer {
            background: #2c3e50;
            color: white;
            padding: 40px 0 20px;
            margin-top: 40px;
        }

        .footer-section {
            margin-bottom: 30px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 20px;
        }

        .footer-links a {
            color: #ecf0f1;
            text-decoration: none;
        }

        .footer-links a:hover {
            color: #3498db;
        }

        .contact-methods {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .contact-methods p {
            display: flex;
            align-items: center;
        }

        .contact-methods i {
            margin-right: 10px;
            color: #3498db;
        }

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #3c5063;
            margin-top: 20px;
            color: #bdc3c7;
            font-size: 14px;
        }
        
       @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                align-items: stretch;
            }
            
            .logo-section {
                margin-bottom: 15px;
                justify-content: center;
            }
            
            .search-bar {
                justify-content: center;
            }
            
            .search-bar input {
                max-width: 100%;
            }
            
            .product-details {
                flex-direction: column;
            }
            
            .company-info {
                order: 3; /* 在移动端将公司信息移到下方 */
            }
            
            .navbar {
                justify-content: flex-start;
            }
        }  
 @media (max-width: 992px) {
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            
            .search-bar {
                margin-top: 15px;
                max-width: 100%;
                width: 100%;
            }
            
            nav {
                top: 142px;
            }
            
            .product-content {
                flex-direction: column;
            }
            
            .company-info {
                order: 3;
                margin: 30px 0 0;
            }
        }
        
        @media (max-width: 768px) {
            .site-name {
                font-size: 20px;
            }
            
            .product-title {
                font-size: 26px;
            }
            
            .nav-container {
                justify-content: flex-start;
            }
            
            .product-image, .product-params, .company-info {
                min-width: 100%;
            }
            
            .detail-title {
                font-size: 24px;
            }
            
            .contact-item {
                margin-right: 20px;
            }
        }
        
        @media (max-width: 480px) {
            .logo {
                width: 100px;
                height: 40px;
                font-size: 14px;
            }
            
            .site-name {
                font-size: 18px;
            }
            
            nav a {
                padding: 8px 15px;
                font-size: 14px;
            }
            
            .product-title {
                font-size: 22px;
            }
            
            .param-item {
                flex-direction: column;
            }
            
            .param-name {
                margin-bottom: 5px;
            }
            
            .footer-links a {
                margin-right: 15px;
                font-size: 14px;
            }
            
            .contact-item {
                margin-right: 15px;
                font-size: 14px;
            }
        }