<!DOCTYPE html>
<html lang="zh-CN">
<head><meta charset="gb2312" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><title>
	页面未找到 - 404
</title>
    <style>
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body {
            font-family: "Microsoft YaHei", Arial, sans-serif;
            background: #f5f7fa;
            color: #333;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            text-align: center;
        }
        .error-container {
            max-width: 600px;
            padding: 40px 30px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.08);
        }
        .error-code {
            font-size: 100px;
            font-weight: 700;
            color: #3271a7;
            line-height: 1;
            margin-bottom: 10px;
            letter-spacing: 5px;
        }
        .error-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 15px;
            color: #222;
        }
        .error-desc {
            font-size: 15px;
            color: #666;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .btn-home {
            display: inline-block;
            padding: 12px 36px;
            background: #3271a7;
            color: #fff;
            text-decoration: none;
            border-radius: 6px;
            font-size: 16px;
            transition: background 0.3s;
        }
        .btn-home:hover {
            background: #265a86;
        }
        .footer {
            margin-top: 25px;
            font-size: 13px;
            color: #999;
        }
    </style>
</head>
<body>
    <div class="error-container">
        <div class="error-code">404</div>
        <div class="error-title">抱歉，您访问的页面不存在</div>
        <div class="error-desc">
            页面可能已被删除、更名或暂时不可用。<br />
            请检查网址是否正确，或返回首页继续浏览。
        </div>
        <a href="/" class="btn-home">返回首页</a>
        <div class="footer">上海科科阀门制造有限公司</div>
    </div>
</body>
</html>