.shelf-intro {
  max-width: var(--reading);
  margin-bottom: 36px;
}
.shelf-intro h1 {
  margin-top: 0;
  margin-bottom: 18px;
}
.shelf-lede {
  margin-bottom: 20px;
  color: var(--text-muted);
  font-size: var(--size-brand);
  line-height: 1.8;
}
.shelf-intro-note {
  margin-top: 20px;
  margin-bottom: 0;
  font-size: var(--size-small);
  line-height: 1.85;
}
.shelf-platforms {
  margin-bottom: 0;
}
.shelf-package-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin-top: 22px;
}
.shelf-download {
  width: 100%;
  min-height: 52px;
  padding-top: 12px;
  padding-bottom: 12px;
  overflow-wrap: anywhere;
}
.shelf-package .client-note {
  margin-top: 10px;
  margin-bottom: 0;
}
.shelf-client-stack {
  display: grid;
  gap: 24px;
}
.shelf-system {
  margin-top: 30px;
}
.shelf-system h3 {
  margin-top: 0;
}
.shelf-system .table-scroll {
  margin-bottom: 24px;
}
.shelf-system > :last-child {
  margin-bottom: 0;
}
.shelf-arm-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  margin-top: 20px;
  font-size: var(--size-small);
}
.shelf-arm-links .text-link {
  min-height: 44px;
}
.shelf-section {
  padding-top: 44px;
}
.shelf-section > h2:first-child {
  margin-top: 0;
}
.shelf-help-link {
  margin-top: 24px;
  margin-bottom: 0;
}
@media (max-width: 640px) {
  .shelf-package-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
  }
  .shelf-lede {
    font-size: var(--size-body);
  }
  .shelf-section {
    padding-top: 36px;
  }
}