<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>登录管理后台</title>
<link href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.3.0/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/bootstrap-icons/1.10.0/font/bootstrap-icons.css">
<style>
.login-container { max-width: 400px; margin-top: 100px; }
.login-card { border: none; box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15); }
</style>
</head>
<body class="bg-light">
<div class="container">
<div class="login-container mx-auto">
<div class="card login-card">
<div class="card-body p-4">
<h3 class="text-center mb-4"><i class="bi bi-graph-up"></i> 无名港美股监控系统</h3>
<form method="post" action="?action=login">
<div class="mb-3">
<label for="username" class="form-label">用户名</label>
<input type="text" class="form-control" id="username" name="username" required>
</div>
<div class="mb-3">
<label for="password" class="form-label">密码</label>
<input type="password" class="form-control" id="password" name="password" required>
</div>
<button type="submit" class="btn btn-primary w-100"><i class="bi bi-box-arrow-in-right"></i> 登录</button>
</form>
</div>
</div>
</div>
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/5.3.0/js/bootstrap.bundle.min.js"></script>
</body>
</html>