/* First sidebar slot: Bashe 300×100. Fills the column; ratio stays 3:1. */
a.site-sidebar-ad {
  display: block;
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  line-height: 0;
  text-decoration: none;
  border: 0;
  border-radius: 14px;
  overflow: hidden;
  background: #fff8ee;
  box-sizing: border-box;
}

a.site-sidebar-ad img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 0;
}

/* Product pages unwrap the sidebar on small screens, so the banner needs its own inset. */
@media screen and (max-width: 767px) {
  html[data-snap="product"] a.site-sidebar-ad {
    width: auto;
    margin: 0 var(--sn-gutter, 16px) 14px;
  }
}