@charset "utf-8";
/* CSS Document */

    <style>
	

	 .image-carousel {
		 clear:inherit;
            position: relative;
            width: 1920px;
            height: 400px;
            margin: 50px auto;
            overflow: hidden;
			
			
			
        }
        .carousel-item {
            position: absolute;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s ease;
        }
        .carousel-item.active {
            opacity: 1;
        }
		
		
		
      /*  * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        } /*

        /* 导航栏 */
		
	.nav-item a{ text-decoration:none; color:#333; font-size:18px; padding:25px 20px; transition: all 0.3s ease;}	
	.nav-item a.active{ color:#fff; background-color:#2c8ef4; }
    .nav-item a:hover{ color:#fff; background-color:#2c8ef4;}
	
	
	
	
	
	

        .nav-container {
            display: flex;
            justify-content: center;
            align-items: center;
            height: 80px; /* 导航栏高度 */
            background-color: #fff; /* 背景色 */
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); /* 阴影效果 */
        }

        .logo {
            margin-right: 100px; /* 与导航项间距 */
        }

        .nav-list {
            display: flex;
            list-style: none;
			margin-left:200px;
        }

        .nav-item {
            margin: 0 10px;
			font-size:18px;/* 导航项左右间距 */
			
			
        }
		
		
		

    
	
	
	
	
	

   
    
     /*.header {
            background: #fff; 
			
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
			width:1000px; height:100px;
			 margin-left:auto; margin-right:auto;
			 margin-top:100px;
        }
        .nav { float:left;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 15px;
        }
        .nav-logo {
            height: 40px; margin-left:300px; margin-right:300px;
        }
        .nav-menu {
             padding-left:100px;
			float:right;
			   margin-top:5px; margin-bottom:5px;
        }
        .nav-menu a {
            margin: 0 15px;
            text-decoration: none;
            color: #333;
        }
		/*

        /* 横幅部分 */
      /*  .banner {
            position: relative;
            color: white;
            padding: 80px 20px;
            background: linear-gradient(rgba(0,0,0,0.3), rgba(0,0,0,0.3)), 
                        url('banner-bg.jpg') center/cover;
        }
        .banner-content {
            max-width: 800px;
            margin: 0 auto;
        }

        /* 产品中心 */
		
		 .product-center {
			
				 position: relative;
            padding: 40px 20px;
            text-align: center;
			font-size:25px;
        }
		
		 .product-center2 {
			
			 margin-top:930px;
			 position: relative;
            padding: 40px 20px;
            text-align: center;
			font-size:25px;
        }
		
        .product-center1 {
			
			
            padding: 40px 20px;
            text-align: center;
			font-size:25px;
        }
        .product-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-top: 30px;
        }
        .product-item i {
            font-size: 40px;
            color: #4285f4;
        }

        /* 关于我们 */
		
	
        .about-us {
            padding: 50px 20px;
            display: flex;
            align-items: center;
            gap: 40px;
			
        }
		
		
		
		
		 .container {
            display: flex;
            align-items: flex-start;
            padding: 20px;
           
            color: #000;
        }

        .left-image {
            flex: 1;
            max-width: 600px;
            margin-right: 20px;
        }

        .left-image img {
            width: 100%;
            height: auto;
			margin-left:200px;
        }

		
		.right-content {
            flex: 1;
            max-width: 600px;
		    position:relative;
			margin-left:300px;
			text-align: left;
        }

        .company-name {
            font-size: 28px;
            margin-bottom: 20px;
        }

        .company-desc {
            line-height: 1.9;
            margin-bottom: 30px;
			font-size:20px;
        }

        .click-btn {
            display: inline-block;
            padding: 12px 40px;
            background-color: #0099ff;
            color: #fff;
            text-decoration: none;
            border-radius: 25px;
            font-size: 18px;
            transition: background-color 0.3s;
        }

        .click-btn:hover {
            background-color: #007acc;
        }
		
		
		
	
		
		
		
		
		
		
		
		
		
		
		
		
		

        /* 视讯前沿 */
        .video-section {
		
            padding: 50px 20px;
            text-align: center;
			
        }
        .video-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            
			
        }
		
        /* 产品手册 */
        .product-manual {
           
            text-align: center;
			font-size:25px;
			
			
        }
		
		.product-manual img{ margin-top:30px;}
        .manual-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin-top: 30px;
			
        }

        /* 企业资讯 */
        .news-section {
            padding: 50px 20px;
            text-align: center;
        }
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 30px;
        }

        /* 底部 */
          .footer-container {
            background: #2c2c2c; /* 深灰色背景 */
            color: #fff;
            padding: 40px;
            display: flex;
            justify-content: center;
            gap: 120px; /* 列间距 */
			
        }

        .link-column {
            list-style: none;
        }

        .link-column li {
            margin: 15px 0;
			font-size:18px;
        }

        .link-column a {
            color: #ccc;
            text-decoration: none;
            font-size: 18px;
            transition: color 0.3s;
        }

        .link-column a:hover {
            color: #fff;
        }

        .qr-code-section {
            text-align: center;
        }

        .qr-code-section img {
            width: 120px;
            height: auto;
            margin-bottom: 10px;
        }

        .qr-code-section p {
            font-size: 14px;
            color: #999;
        }

        /* 按钮样式 */
        .btn {
            display: inline-block;
            padding: 10px 30px;
            background: #4285f4;
            color: white;
            text-decoration: none;
            border-radius: 25px;
            margin-top: 20px;
        }
    </style>