/* v335 · dezente Wirbelsäule als strukturelles Hintergrundmotiv */
.systemwissen-hub-page .lexicon-editorial-surface {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.systemwissen-hub-page .lexicon-editorial-surface::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: url("/assets/systemwissen-spine.webp?v=335");
  background-position: 50% 48%;
  background-repeat: no-repeat;
  background-size: auto 92%;
  opacity: .055;
  -webkit-mask-image: linear-gradient(
    to bottom,
    transparent 4%,
    #000 18%,
    #000 82%,
    transparent 98%
  );
  mask-image: linear-gradient(
    to bottom,
    transparent 4%,
    #000 18%,
    #000 82%,
    transparent 98%
  );
}

.systemwissen-hub-page .lexicon-library {
  position: relative;
  z-index: 1;
}

@media (max-width: 1000px) {
  .systemwissen-hub-page .lexicon-editorial-surface::before {
    background-size: auto 82%;
    opacity: .035;
  }
}

@media (max-width: 620px) {
  .systemwissen-hub-page .lexicon-editorial-surface::before {
    display: none;
  }
}