<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>网站维护中 | 敬请谅解</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', Arial, sans-serif;
        }
        body {
            background-color: #f5f7fa;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }
        .main-container {
            text-align: center;
            max-width: 600px;
            width: 100%;
            background: #fff;
            padding: 60px 30px;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        .main-container .icon {
            font-size: 80px;
            color: #409eff;
            margin-bottom: 30px;
        }
        .main-container h1 {
            font-size: 32px;
            color: #333;
            margin-bottom: 15px;
            font-weight: 600;
        }
        .main-container p {
            font-size: 16px;
            color: #666;
            line-height: 1.8;
            margin-bottom: 30px;
        }
        .main-container .maintain-time {
            font-size: 14px;
            color: #999;
            margin-bottom: 40px;
            padding: 15px;
            background: #f8f9fa;
            border-radius: 8px;
            display: inline-block;
        }
        .main-container .refresh-btn {
            padding: 12px 30px;
            background: #409eff;
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .main-container .refresh-btn:hover {
            background: #3088e0;
            transform: translateY(-2px);
        }
        .footer {
            margin-top: 40px;
            font-size: 14px;
            color: #999;
        }
        /* 移动端适配 */
        @media (max-width: 768px) {
            .main-container {
                padding: 40px 20px;
            }
            .main-container .icon {
                font-size: 60px;
            }
            .main-container h1 {
                font-size: 24px;
            }
            .main-container p {
                font-size: 14px;
            }
            .main-container .refresh-btn {
                padding: 10px 24px;
                font-size: 14px;
            }
        }
    </style>
</head>
<body>
    <div class="main-container">
        <div class="icon">🔧</div>
        <h1>网站正在维护中</h1>
        <p>为了给您提供更稳定、更优质的服务，我们正在进行系统维护升级。<br>给您带来的不便，我们深表歉意，感谢您的理解与支持！</p>
        <button class="refresh-btn" onclick="location.reload()">刷新页面</button>
    </div>
</body>
</html>