<!DOCTYPE html>
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<html lang="zh-CN">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>离线模式 - 小智控制台</title>
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<style>
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
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display: flex;
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justify-content: center;
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align-items: center;
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height: 100vh;
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margin: 0;
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background-color: #f5f7fa;
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color: #333;
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}
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.container {
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text-align: center;
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padding: 2rem;
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background: white;
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border-radius: 10px;
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box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
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max-width: 80%;
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}
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h1 {
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margin-bottom: 1rem;
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color: #409EFF;
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}
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p {
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margin-bottom: 1.5rem;
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line-height: 1.6;
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}
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.btn {
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background-color: #409EFF;
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color: white;
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border: none;
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padding: 0.8rem 1.5rem;
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border-radius: 4px;
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font-size: 1rem;
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cursor: pointer;
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transition: background-color 0.3s;
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}
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.btn:hover {
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background-color: #337ecc;
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}
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.icon {
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font-size: 4rem;
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margin-bottom: 1rem;
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color: #409EFF;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<div class="icon">📶</div>
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<h1>您当前处于离线模式</h1>
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<p>看起来您的网络连接有问题，无法连接到小智控制台服务器。</p>
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<p>部分已缓存的内容和静态资源可能仍然可用，但功能可能受到限制。</p>
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<button class="btn" onclick="window.location.reload()">重新尝试连接</button>
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</div>
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<script>
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// 检测网络状态变化
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window.addEventListener('online', () => {
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window.location.reload();
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});
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</script>
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</body>
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</html>
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