"<!DOCTYPE html>\r\n<html lang=\"zh-CN\">\r\n<head>\r\n    <meta charset=\"UTF-8\">\r\n    <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\r\n    <title>OA系统API服务<\/title>\r\n    <style>\r\n        body {\r\n            font-family: 'Helvetica Neue', Arial, sans-serif;\r\n            background-color: #f7f9fc;\r\n            color: #333;\r\n            margin: 0;\r\n            padding: 0;\r\n            display: flex;\r\n            justify-content: center;\r\n            align-items: center;\r\n            height: 100vh;\r\n            text-align: center;\r\n        }\r\n        .container {\r\n            max-width: 800px;\r\n            padding: 40px;\r\n            background-color: #fff;\r\n            border-radius: 10px;\r\n            box-shadow: 0 8px 30px rgba(0,0,0,0.08);\r\n        }\r\n        h1 {\r\n            color: #2c3e50;\r\n            margin-bottom: 20px;\r\n            font-size: 2.5rem;\r\n        }\r\n        .logo {\r\n            margin-bottom: 30px;\r\n            font-size: 60px;\r\n            color: #3498db;\r\n        }\r\n        p {\r\n            color: #7f8c8d;\r\n            line-height: 1.7;\r\n            margin-bottom: 25px;\r\n        }\r\n        .api-info {\r\n            background-color: #f1f5f9;\r\n            border-radius: 6px;\r\n            padding: 20px;\r\n            margin-bottom: 30px;\r\n            text-align: left;\r\n        }\r\n        .footer {\r\n            margin-top: 40px;\r\n            font-size: 0.9rem;\r\n            color: #95a5a6;\r\n        }\r\n        .badge {\r\n            display: inline-block;\r\n            background-color: #3498db;\r\n            color: white;\r\n            padding: 5px 15px;\r\n            border-radius: 20px;\r\n            font-size: 0.9rem;\r\n            margin-bottom: 30px;\r\n        }\r\n    <\/style>\r\n<\/head>\r\n<body>\r\n    <div class=\"container\">\r\n        <div class=\"logo\">🌐<\/div>\r\n        <h1>OA系统API服务<\/h1>\r\n        <div class=\"badge\">API版本 v1.0<\/div>\r\n        \r\n        <p>这是OA系统的API服务端接口。该接口仅供授权的客户端应用程序使用，需要进行身份验证才能访问。<\/p>\r\n        \r\n        <div class=\"api-info\">\r\n            <p><strong>API文档：<\/strong>请联系系统管理员获取API文档和访问权限<\/p>\r\n            <p><strong>状态：<\/strong>服务运行正常<\/p>\r\n            <p><strong>鉴权方式：<\/strong>JWT Token \/ API Key<\/p>\r\n        <\/div>\r\n        \r\n        <p>如果您是该系统的用户，请使用配套的客户端应用程序访问，或联系您的系统管理员获取帮助。<\/p>\r\n        \r\n        <div class=\"footer\">\r\n            <p>Copyright &copy; <?php echo date('Y'); ?> 乐信源 OA系统. All Rights Reserved.<\/p>\r\n        <\/div>\r\n    <\/div>\r\n<\/body>\r\n<\/html>"