/* 20-timeline-flow */
.nav-document--timeline {
  border-left: 2px solid var(--border); margin-left: 8px; padding-left: 20px;
  display: flex; flex-direction: column; gap: 20px;
}
.nav-document--timeline > .nav-doc-part {
  position: relative; border: 0; margin: 0; padding: 0;
}
.nav-document--timeline > .nav-doc-part::before {
  content: ""; position: absolute; left: -27px; top: 6px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--nav-prefix);
  box-shadow: 0 0 0 3px var(--nav-soft);
}
.nav-document--timeline > .nav-doc-part + .nav-doc-part { border: 0; margin: 0; padding: 0; }