.help-hero {
  position: relative;
  padding-top: 78px;
  padding-bottom: 68px;
  overflow: clip;
  border-bottom: 1px solid var(--color-line);
  background:
    linear-gradient(var(--color-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-line) 1px, transparent 1px),
    var(--color-page);
  background-size: 44px 44px;
}

.help-hero::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: var(--color-accent);
  content: "";
  pointer-events: none;
}

.help-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.75fr);
  align-items: end;
  gap: 64px;
}

.help-heading {
  padding: 34px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-page);
  box-shadow: var(--shadow-card);
}

.help-heading h1 {
  margin-top: 15px;
}

.help-heading .lead {
  max-width: 720px;
  margin-top: 22px;
}

.help-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.help-route-card {
  padding: 24px;
  border: 1px solid var(--color-ink);
  border-radius: var(--radius-md);
  background: var(--color-ink);
  color: var(--color-on-dark);
  box-shadow: var(--shadow-card);
}

.help-route-label,
.help-band-code {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.help-route-label {
  padding-bottom: 15px;
  border-bottom: 1px solid var(--color-ruler-tick);
  color: var(--color-on-dark);
}

.help-route-list {
  display: grid;
  list-style: none;
}

.help-route-list li {
  display: grid;
  grid-template-columns: minmax(62px, auto) minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding-top: 17px;
  padding-bottom: 17px;
  border-bottom: 1px solid var(--color-ruler-tick);
}

.help-route-list li:last-child {
  border-bottom: 0;
}

.help-route-list span {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 12px;
}

.help-route-list strong {
  color: var(--color-on-dark);
  font-size: 14px;
}

.help-toc-wrap {
  position: relative;
  z-index: 10;
  padding-top: 20px;
}

.help-toc-wrap .toc-tabs {
  top: 8px;
}

.help-category-grid {
  display: grid;
  grid-template-columns: minmax(230px, 0.48fr) minmax(0, 1.52fr);
  align-items: start;
  gap: 54px;
}

.help-category-head {
  position: sticky;
  top: calc(var(--toc-offset) + 16px);
}

.help-category-head::before {
  display: block;
  width: 44px;
  height: 4px;
  margin-bottom: 20px;
  background: var(--color-accent);
  content: "";
}

.help-band-code {
  margin-bottom: 10px;
  color: var(--color-muted);
}

.help-category-head h2 {
  font-size: clamp(30px, 3.5vw, 44px);
}

.help-category-head > p:last-child {
  margin-top: 18px;
  color: var(--color-muted);
  line-height: 1.8;
}

.help-category .faq-list {
  gap: 12px;
}

.help-category .faq-item {
  box-shadow: 0 1px 2px var(--color-shadow-soft);
}

.help-category .faq-item[open] {
  border-color: var(--color-ink);
}

.help-category .faq-item summary {
  min-height: 68px;
  padding-top: 21px;
  padding-right: 58px;
  padding-bottom: 21px;
  padding-left: 22px;
  font-size: 17px;
}

.help-category .faq-answer {
  padding-right: 22px;
  padding-bottom: 24px;
  padding-left: 22px;
  border-top: 1px solid var(--color-line);
}

.help-category .faq-answer p {
  padding-top: 18px;
}

.help-escalation {
  padding-top: 72px;
  padding-bottom: 96px;
}

.help-escalation-panel {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 34px;
  padding: 34px;
  overflow: clip;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.help-escalation-panel::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  background: var(--color-accent);
  content: "";
}

.help-escalation-panel h2 {
  margin-top: 8px;
  font-size: clamp(28px, 3vw, 40px);
}

.help-escalation-panel p:last-child {
  max-width: 760px;
  margin-top: 12px;
  color: var(--color-muted);
  line-height: 1.8;
}

@media (max-width: 900px) {
  .help-hero::after {
    display: none;
  }

  .help-hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 18px;
  }

  .help-route-card {
    max-width: 620px;
  }

  .help-category-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }

  .help-category-head {
    position: static;
    max-width: 720px;
  }
}

@media (max-width: 700px) {
  .help-hero {
    padding-top: 48px;
    padding-bottom: 48px;
    background-size: 32px 32px;
  }

  .help-heading {
    padding: 24px;
  }

  .help-heading .lead {
    font-size: 17px;
  }

  .help-facts {
    align-items: flex-start;
    flex-direction: column;
  }

  .help-route-card {
    padding: 20px;
  }

  .help-escalation-panel {
    grid-template-columns: minmax(0, 1fr);
    padding: 26px;
  }
}

@media (max-width: 480px) {
  .help-heading {
    padding: 20px;
  }

  .help-route-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 5px;
  }

  .help-category .faq-item summary {
    padding-top: 18px;
    padding-right: 48px;
    padding-bottom: 18px;
    padding-left: 18px;
    font-size: 16px;
  }

  .help-category .faq-answer {
    padding-right: 18px;
    padding-bottom: 20px;
    padding-left: 18px;
  }
}