<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>页面未找到 - 青岛京轩仪器有限公司</title>
    <meta name="robots" content="noindex, follow">
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: 'Microsoft YaHei', sans-serif;
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
        }
        .brand-logo {
            max-width: 180px;
            margin-bottom: 30px;
        }
        .error-code {
            font-size: 8rem;
            font-weight: 700;
            color: #2c7be5;
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .error-code { font-size: 5rem; }
        }
        .error-title {
            font-size: 2rem;
            margin-bottom: 20px;
            color: #2a2a2a;
        }
        .error-description {
            font-size: 1.1rem;
            max-width: 600px;
            margin-bottom: 30px;
            color: #555;
        }
        .action-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
        }
        .btn {
            padding: 12px 30px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        .btn-primary {
            background-color: #2c7be5;
            color: white;
            border: 1px solid #2c7be5;
        }
        .btn-primary:hover {
            background-color: #1c6bd2;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background-color: transparent;
            color: #2c7be5;
            border: 1px solid #2c7be5;
        }
        .btn-secondary:hover {
            background-color: #f0f5ff;
        }
        .search-box {
            max-width: 500px;
            width: 100%;
            margin-bottom: 30px;
        }
        .search-form {
            display: flex;
            border: 1px solid #ddd;
            border-radius: 4px;
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 12px 15px;
            border: none;
            font-size: 1rem;
        }
        .search-button {
            padding: 0 20px;
            background: #2c7be5;
            color: white;
            border: none;
            cursor: pointer;
        }
        .product-links {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            width: 100%;
            max-width: 800px;
            margin-bottom: 40px;
        }
        .link-card {
            background: white;
            border: 1px solid #eee;
            padding: 20px;
            border-radius: 4px;
            text-align: left;
            transition: transform 0.3s ease;
        }
        .link-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .link-card h3 {
            color: #2c7be5;
            margin-bottom: 10px;
        }
        .link-card ul {
            list-style: none;
        }
        .link-card li {
            margin-bottom: 8px;
        }
        .link-card a {
            color: #555;
            text-decoration: none;
        }
        .link-card a:hover {
            color: #2c7be5;
            text-decoration: underline;
        }
        .contact-info {
            margin-top: 20px;
            color: #777;
        }
        .contact-info a {
            color: #2c7be5;
            text-decoration: none;
        }
        .feedback-link {
            margin-top: 15px;
            color: #777;
            font-size: 0.9rem;
        }
    </style>
</head>
<body>
    <div class="container">
        <!-- 品牌标识 -->
        <img src="http://dd-logistics.com.cn/image/logo.jpg" alt="青岛京轩仪器有限公司" class="brand-logo">
        
        <!-- 错误代码 -->
        <div class="error-code">404</div>
        
        <!-- 错误标题 -->
        <h1 class="error-title">抱歉，您访问的页面不存在</h1>
        
        <!-- 错误描述 -->
        <p class="error-description">
            可能的原因：页面已被移除、网址输入错误或链接失效。</br>您可以通过以下方式继续访问：
        </p>
        
        <!-- 主要操作按钮 -->
        <div class="action-container">
            <a href="http://dd-logistics.com.cn/" class="btn btn-primary">返回首页</a>
            <a href="http://dd-logistics.com.cn/html/product_1.html" class="btn btn-secondary">浏览产品中心</a>
        </div>
        
        <!-- 搜索功能 -->
    <div class="search-box">
        <form name="searchform" class="search-form" action="http://dd-logistics.com.cn/plus/search/index.asp" method="post">
            <input type="text" id="key" onKeyUp="searchSuggest();" class="search-input" placeholder="搜索仪器产品或服务..." name="key">
            <input type="submit" value="搜索" name="Submit1" class="search-button">
        </form>
    </div>
        
        <!-- 产品分类导航 -->
        <div class="product-links">
            <div class="link-card">
                <h3>热门产品</h3>
                <ul>
                    <li><a href="http://dd-logistics.com.cn/Item/list.asp?id=41">实验仪器设备</a></li>
                    <li><a href="http://dd-logistics.com.cn/Item/list.asp?id=38">光学仪器系列</a></li>
                    <li><a href="http://dd-logistics.com.cn/Item/list.asp?id=37">环境检测仪器</a></li>
                    <li><a href="http://dd-logistics.com.cn/Item/list.asp?id=36">电工测试仪表</a></li>
                </ul>
            </div>
            <div class="link-card">
                <h3>服务支持</h3>
                <ul>
                    <li><a href="http://dd-logistics.com.cn/Item/list.asp?id=27">技术文档</a></li>
                    <li><a href="http://dd-logistics.com.cn/Item/list.asp?id=28">产品选型</a></li>
                    <li><a href="http://dd-logistics.com.cn/Item/list.asp?id=168">产品应用</a></li>
                    <li><a href="http://dd-logistics.com.cn/Item/list.asp?id=67">联系我们</a></li>
                </ul>
            </div>
        </div>
        
        <!-- 联系信息 -->
        <div class="contact-info">
            需要帮助？致电：<a href="tel:0532-83486999">0532-83486999</a> | 
            邮箱：<a href="mailto:info@053217.com">info@053217.com</a>
        </div>
        
        <!-- 用户反馈 -->
        <div class="feedback-link">
            <a href="http://dd-logistics.com.cn/Item/list.asp?id=68">报告链接问题</a>
        </div>
    </div>
</body>
</html>