/* Advertisement placement guardrails: rails only render on sufficiently wide desktops. */
.site-frame>.ad-rail:not(:empty){display:none}
.bottom-ad-slot:not(:empty){display:block;max-width:100%;min-height:90px;margin:20px auto;overflow:hidden;text-align:center}
.ad-unit{max-width:100%;line-height:0;overflow:hidden}
.ad-unit iframe{display:block;max-width:100%;border:0}
.ad-rail .ad-unit{width:160px}
.bottom-ad-slot .ad-unit--728x90{width:min(728px,100%);margin-inline:auto}
@media(min-width:1600px){
  .site-frame{max-width:1960px;grid-template-columns:minmax(160px,1fr) minmax(0,1120px) minmax(160px,1fr)}
  .site-frame>.ad-rail:not(:empty){display:flex;justify-content:center;align-items:flex-start;width:160px;max-width:160px;min-height:600px;position:sticky;top:20px;overflow:hidden;grid-row:1}
}
@media(min-width:1051px) and (max-width:1599px){
  .site-frame>.ad-rail:not(:empty){display:none}
}
@media(max-width:1050px){
  .site-frame>.ad-rail{display:none}
}
@media(max-width:760px){
  .bottom-ad-slot:not(:empty){display:none}
}