body.has-series-topnav {
  padding-top: 37px;
}

body.has-series-topnav .layout > nav {
  top: 37px;
  height: calc(100vh - 37px);
}

.series-topnav {
  position: fixed;
  top: 3px;
  left: 0;
  right: 0;
  z-index: 55;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 18px;
  background: rgba(247, 246, 243, 0.94);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid #e5e1d8;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12.5px;
  letter-spacing: 0.01em;
}

.series-topnav a {
  color: #5f5b55;
  text-decoration: none;
  transition: color 0.15s ease;
}

.series-topnav a:hover {
  color: #1c1b1a;
}

.series-topnav .home {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  white-space: nowrap;
}

.series-topnav .home-arrow {
  font-size: 14px;
  line-height: 1;
  opacity: 0.75;
}

.series-topnav .section-link {
  color: #5f5b55;
  opacity: 0.9;
  white-space: nowrap;
}

@media (max-width: 640px) {
  .series-topnav {
    padding: 0 14px;
    font-size: 12px;
  }

  .series-topnav .section-link {
    display: none;
  }
}