<!DOCTYPE html>
<html>
<head>
<meta charset='UTF-8'>
<meta http-equiv='refresh' content='2'>
<title>正在下载API文件...</title>
<style>
body { font-family: Arial, sans-serif; background: #f5f5f5; padding: 20px; }
.container { max-width: 800px; margin: 0 auto; background: white; border-radius: 10px; padding: 30px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
.progress { margin: 20px 0; }
.progress-bar { height: 30px; background: #f0f0f0; border-radius: 15px; overflow: hidden; }
.progress-fill { height: 100%; background: #4CAF50; width: 10%; transition: width 0.3s; }
.loading { text-align: center; padding: 20px; }
.loading:after { content: '...'; animation: dots 1.5s steps(4, end) infinite; }
@keyframes dots { 0%, 20% { content: '.'; } 40% { content: '..'; } 60%, 100% { content: '...'; } }
</style>
</head>
<body>
<div class='container'>
<h1>📥 正在下载API文件</h1>
<p>正在从 Bing Wallpaper Archive 获取历史数据...</p>
<div class='progress'>
<div class='progress-bar'><div class='progress-fill' style='width: 10%;'></div></div>
</div>
<div class='loading'>首次下载可能需要10-30秒，请稍候</div>
</div>
</body>
</html><br />
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