<script>(function(){var cs=document.currentScript,sz=(cs.getAttribute("data-size")||"320x50").split("x"),w=+sz[0],h=+sz[1];var ifr=document.createElement("iframe");ifr.width=w;ifr.height=h;ifr.setAttribute("frameborder","0");ifr.setAttribute("scrolling","no");ifr.setAttribute("title","Test Ad "+w+"x"+h);ifr.setAttribute("aria-label","Advertisement");ifr.setAttribute("sandbox","allow-scripts allow-popups allow-popups-to-escape-sandbox");var bg=["#F2F2F2","#E8F5FF","#FFF7E6","#F9E6FF","#EAF7EA"][Math.floor(Math.random()*5)],txt="#222";var click="https://example.com/?ad=test-"+w+"x"+h;var html='<!doctype html><meta charset=utf-8><style>html,body{margin:0;padding:0} .ad{width:'+w+'px;height:'+h+'px;display:flex;align-items:center;justify-content:center;font:600 14px/1.2 system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:'+bg+';color:'+txt+';border:1px dashed #999;position:relative;box-sizing:border-box} .badge{position:absolute;top:2px;left:6px;font:10px/1 system-ui,sans-serif;color:#666;opacity:.85} a{color:inherit;text-decoration:none} .cta{position:absolute;right:6px;bottom:2px;font:10px/1.1 system-ui,sans-serif;padding:1px 4px;border-radius:3px;border:1px solid #888;background:#fff} .size{position:absolute;left:6px;bottom:2px;font:10px/1.1 system-ui,sans-serif;color:#555}</style><a class=ad href=\"'+click+'\" target=_blank rel=noopener><div class=badge>TEST AD</div><div>Mobile Banner</div><div class=cta>Tap →</div><div class=size>'+w+'×'+h+'</div></a>';ifr.srcdoc=html;cs.parentNode.insertBefore(ifr,cs)})();</script><script data-size="320x50"></script>
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