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<!DOCTYPE html>
    <html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>用户管理系统</title>
        <style>
            body { font-family: Arial, sans-serif; margin: 0; padding: 20px; background: #f5f5f5; }
            .container { max-width: 1200px; margin: 0 auto; background: white; padding: 20px; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
            .header { background: #4CAF50; color: white; padding: 10px 20px; margin: -20px -20px 20px -20px; border-radius: 5px 5px 0 0; }
            .nav { margin-bottom: 20px; }
            .nav a { margin-right: 15px; color: #333; text-decoration: none; }
            .nav a:hover { text-decoration: underline; }
            .form-group { margin-bottom: 15px; }
            label { display: block; margin-bottom: 5px; }
            input[type="text"], input[type="email"], input[type="password"], select { width: 300px; padding: 8px; border: 1px solid #ddd; border-radius: 3px; }
            button, .btn { background: #4CAF50; color: white; border: none; padding: 10px 20px; border-radius: 3px; cursor: pointer; text-decoration: none; display: inline-block; }
            button:hover, .btn:hover { background: #45a049; }
            .error { color: #f44336; background: #ffebee; padding: 10px; border-radius: 3px; margin-bottom: 15px; }
            .success { color: #4CAF50; background: #e8f5e8; padding: 10px; border-radius: 3px; margin-bottom: 15px; }
            .table { width: 100%; border-collapse: collapse; margin-top: 20px; }
            .table th, .table td { border: 1px solid #ddd; padding: 8px; text-align: left; }
            .table th { background: #f2f2f2; }
            .pagination { margin-top: 20px; }
            .pagination a { margin-right: 10px; }
            .status-active { color: green; }
            .status-inactive { color: red; }
        </style>
    </head>
    <body>
    <div class="container">
        <div class="header">
            <h1>用户管理系统</h1>
        </div>
        <div class="nav"><a href="?url=https%3A%2F%2Fweb.daaee.cn%2F%3F">首页</a><a href="?url=https%3A%2F%2Fweb.daaee.cn%2F%3Faction%3Dlogin">登录</a><a href="?url=https%3A%2F%2Fweb.daaee.cn%2F%3Faction%3Dregister">注册</a></div><h2>欢迎使用用户管理系统</h2>
        <p>这是一个单文件的用户注册登录系统，支持：</p>
        <ul>
            <li>用户注册、登录、退出</li>
            <li>邮箱验证和密码加密</li>
            <li>IP地址记录和限制</li>
            <li>第三方网站接口调用</li>
            <li>用户状态管理</li>
            <li>超级管理员功能</li>
        </ul>
        <p>请选择以下操作：</p>
        <p><a href="?url=https%3A%2F%2Fweb.daaee.cn%2F%3Faction%3Dlogin" class="btn">登录</a> <a href="?url=https%3A%2F%2Fweb.daaee.cn%2F%3Faction%3Dregister" class="btn">注册</a></p>
        
        <h3>API接口说明</h3>
        <p>第三方网站可以通过以下接口集成：</p>
        <pre>
登录接口：
POST web.daaee.cn/2026/user.php?api=1&action=login
参数：email, password, site(站点名称), callback(回调URL)

验证Token：
GET web.daaee.cn/2026/user.php?api=1&action=verify_token&token=TOKEN&site=SITE_NAME

用户注册：
POST web.daaee.cn/2026/user.php?api=1&action=register
参数：email, password, nickname

退出登录：
GET web.daaee.cn/2026/user.php?api=1&action=logout&token=TOKEN
        </pre></div></body></html>