.home-ad-rail {
  position: fixed;
  top: 112px;
  z-index: 2;
  display: grid;
  width: 140px;
  min-height: 420px;
  place-items: center;
  border: 1px dashed rgba(31, 27, 39, .2);
  color: #98939e;
  font: 9px/1 "DM Mono", monospace;
  letter-spacing: .17em;
  writing-mode: vertical-rl;
}
.home-ad-left { left: max(18px, calc(50% - 650px)); }
.home-ad-right { right: max(18px, calc(50% - 650px)); }
@media (max-width: 1280px) { .home-ad-rail { display: none; } }