.step-guide {
  position: sticky;
  top: 92px;
  overflow: hidden;
  max-height: calc(100vh - 116px);
  overflow-y: auto;
  padding: 26px 24px;
}

.step-guide-head { padding: 0 2px 21px; }

.step-guide-head > p:last-child {
  margin: 9px 0 0;
  color: var(--portal-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.step-guide-list { display: grid; }

.guide-step {
  position: relative;
  border-top: 1px solid var(--portal-line);
}

.guide-step:last-child { border-bottom: 1px solid var(--portal-line); }

.guide-step summary {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 11px;
  align-items: start;
  padding: 16px 2px;
  color: var(--portal-text);
  cursor: pointer;
  list-style: none;
}

.guide-step summary::-webkit-details-marker { display: none; }

.guide-number {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--portal-line-strong);
  border-radius: 50%;
  color: var(--portal-muted);
  font-size: 0.7rem;
  font-weight: 800;
}

.guide-step summary > span:last-child { display: grid; gap: 3px; }
.guide-step summary strong { font-size: 0.82rem; line-height: 1.25; }
.guide-step summary small { color: var(--portal-muted); font-size: 0.67rem; }

.guide-step.is-done .guide-number {
  background: var(--portal-text);
  color: var(--portal-bg);
}

.guide-step.is-current .guide-number {
  border-color: var(--portal-accent);
  box-shadow: 0 0 16px var(--portal-glow);
  color: var(--portal-accent);
}

.guide-step.is-optional .guide-number { border-style: dashed; }
.guide-step.is-planned { opacity: 0.68; }

.guide-detail {
  margin: -3px 0 13px 41px;
  padding: 14px;
  border-left: 1px solid var(--portal-accent-border);
  background: var(--portal-accent-soft);
}

.guide-detail p,
.guide-detail li {
  color: var(--portal-muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.guide-detail p { margin: 0 0 9px; }

.guide-detail ul {
  display: grid;
  gap: 4px;
  margin: 0;
  padding-left: 17px;
}

.guide-detail .text-action {
  margin-top: 8px;
  font-size: 0.74rem;
  font-weight: 760;
}