<!doctype html>
<html lang="zh">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>报名看板测试</title>
<style>
body{font-family:system-ui;margin:0;display:flex;min-height:100vh;align-items:center;justify-content:center;background:#f5f7fb;}
.card{background:#fff;padding:24px;border-radius:16px;border:1px solid #eee;box-shadow:0 10px 30px rgba(0,0,0,.08);text-align:center;max-width:520px;width:90%;}
.big{font-size:40px;font-weight:800;margin:10px 0;color:#1a4fff;}
.muted{opacity:.6;font-size:14px;}
</style>
</head>
<body>
<div class="card">
<div class="muted">部署成功的话你会看到这行</div>
<div class="big">✅ Dashboard Online</div>
<div class="muted">下一步再加倒计时、学校 logo、飞书链接</div>
</div>
</body>
</html>