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<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <title>嘟嘟噜 - 系统升级维护中</title>
    <style>
        * { box-sizing: border-box; }
        body {
            margin: 0;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            background: #0b0f19;
            color: #f8fafc;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            text-align: center;
            padding: 1.25rem;
        }
        .card {
            max-width: 440px;
            width: 100%;
            padding: 2.5rem 1.75rem;
            background: #1e293b;
            border-radius: 20px;
            border: 1px solid #334155;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
        }
        .icon {
            font-size: 3.5rem;
            margin-bottom: 1.25rem;
            line-height: 1;
        }
        h1 {
            font-size: 1.35rem;
            font-weight: 700;
            margin: 0 0 1rem;
            color: #38bdf8;
            letter-spacing: -0.01em;
        }
        p {
            font-size: 0.95rem;
            line-height: 1.7;
            color: #94a3b8;
            margin: 0 0 1.25rem;
        }
        .badge {
            display: inline-block;
            padding: 0.35rem 0.85rem;
            background: rgba(56, 189, 248, 0.1);
            color: #38bdf8;
            border: 1px solid rgba(56, 189, 248, 0.25);
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 500;
        }
    </style>
</head>
<body>
    <div class="card">
        <div class="icon">🚧</div>
        <h1>系统升级维护中</h1>
        <p>为提供更流畅稳定的追番体验，服务器正在进行架构迁移与扩容升级中，请稍候片刻再访问~</p>
        <div class="badge">嘟嘟噜 (dudulu.moe) 运维组</div>
    </div>
</body>
</html>