.page-faq {
  --faq-gap: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: clamp(3rem, 7vw, 5rem);
  overflow-x: clip;
}

.page-faq .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-faq .faq-hero {
  position: relative;
  padding: clamp(1rem, 3vw, 1.75rem) 0 clamp(1.5rem, 3vw, 2.25rem);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.18;
  font-size: clamp(1.8rem, 4.4vw, 3rem);
  color: var(--paper);
  margin: 0.65rem 0 0;
  max-width: 22ch;
}

.page-faq .faq-hero__lead {
  margin: 1rem 0 0;
  max-width: 48ch;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.8;
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.75rem;
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
}

.page-faq .faq-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding-left: 0.8rem;
  border-left: 1px solid var(--line-strong);
}

.page-faq .faq-stats__num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-stats__label {
  font-size: 0.8125rem;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.9rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-jump__prefix {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .faq-jump__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
  color: var(--paper);
  font-size: 0.8125rem;
  text-decoration: none;
  transition: border-color 160ms var(--ease), background 160ms var(--ease), transform 160ms var(--ease);
}

.page-faq .faq-jump__link:hover {
  border-color: var(--cyan-soft);
  background: var(--glass-2);
  transform: translateY(-1px);
}

.page-faq .faq-jump__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-jump__link .index-num {
  font-size: 0.75rem;
  color: var(--gold);
}

.page-faq .faq-section {
  padding-block: var(--faq-gap);
  border-bottom: 1px solid var(--line);
}

.page-faq .section-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  font-size: clamp(1.35rem, 2.6vw, 1.9rem);
  color: var(--paper);
  margin: 0.4rem 0 0.65rem;
}

.page-faq .section-head p {
  margin: 0;
  max-width: 54ch;
  color: var(--mist);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.page-faq .guide-top {
  display: grid;
  gap: 1.25rem;
}

.page-faq .guide-top__figure {
  margin: 0;
}

.page-faq .guide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .guide-card {
  position: relative;
  padding: 1.25rem 1.15rem 1.35rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, rgba(25, 230, 255, 0.1), rgba(6, 20, 33, 0.65) 58%);
  box-shadow: inset 0 1px 0 rgba(234, 247, 255, 0.06);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-faq .guide-card:hover {
  transform: translateY(-3px);
  border-color: var(--cyan-soft);
}

.page-faq .guide-card__num {
  display: inline-flex;
  margin: 0 0 0.75rem;
  padding: 0.2rem 0.5rem;
  border: 1px solid var(--gold-soft);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-faq .guide-card__title {
  margin: 0 0 0.55rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--paper);
  line-height: 1.5;
}

.page-faq .guide-card__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .guide-card__meta {
  margin: 0.9rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-faq .guide-note {
  margin: 1.25rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .guide-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: var(--faq-gap);
}

.page-faq .faq-rail__sticky {
  position: static;
}

.page-faq .faq-rail__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-faq .faq-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.25rem;
}

.page-faq .faq-rail__link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--paper);
  font-size: 0.875rem;
  text-decoration: none;
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-rail__link:hover {
  background: var(--glass);
  border-color: var(--line);
}

.page-faq .faq-rail__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-faq .faq-rail__count {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist);
}

.page-faq .faq-rail__figure {
  margin: 1.25rem 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-faq .faq-rail__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .faq-rail__top {
  display: inline-block;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--mist);
  text-decoration: none;
}

.page-faq .faq-rail__top:hover {
  color: var(--cyan);
}

.page-faq .faq-group {
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group--last {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  margin-bottom: 0.85rem;
}

.page-faq .faq-group__head h2 {
  position: relative;
  margin: 0 0 0.3rem;
  padding-left: 0.85rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.28em;
  bottom: 0.28em;
  width: 3px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-faq .faq-group__head p {
  margin: 0;
  padding-left: 0.85rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .qa-item {
  border-top: 1px solid var(--line);
}

.page-faq .qa-item summary {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.9rem 0.25rem 0.9rem 0;
  list-style: none;
  cursor: pointer;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  transition: color 160ms var(--ease);
}

.page-faq .qa-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .qa-item summary:hover {
  color: var(--cyan);
}

.page-faq .qa-item summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.page-faq .qa-item[open] summary {
  color: var(--cyan);
}

.page-faq .qa-item__icon {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 0.15rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .qa-item summary:hover .qa-item__icon,
.page-faq .qa-item[open] .qa-item__icon {
  border-color: var(--cyan-soft);
  background: var(--cyan-ghost);
}

.page-faq .qa-item__icon::before,
.page-faq .qa-item__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
}

.page-faq .qa-item__icon::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .qa-item__icon::after {
  width: 1.5px;
  height: 10px;
  transition: transform 180ms var(--ease), opacity 180ms var(--ease);
}

.page-faq .qa-item[open] .qa-item__icon::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-faq .qa-item__a {
  padding: 0 0 1rem 2.35rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-faq .qa-item__a a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .qa-item__mail {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .escape-panel {
  padding: clamp(1.1rem, 3vw, 1.75rem);
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--coral);
  border-radius: var(--radius);
  background: var(--ink-900);
}

.page-faq .escape-panel__lead {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
  max-width: 54ch;
}

.page-faq .escape-list {
  counter-reset: esc;
  list-style: none;
  margin: 1rem 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.page-faq .escape-list li {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .escape-list li::before {
  counter-increment: esc;
  content: counter(esc, decimal-leading-zero);
  flex: none;
  padding-top: 0.15rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--coral);
}

.page-faq .escape-panel__mail {
  margin: 0.9rem 0 0;
  font-size: 0.875rem;
  line-height: 1.9;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-faq .escape-panel__actions {
  margin-top: 1.25rem;
  flex-wrap: wrap;
  gap: 0.6rem;
}

@media (min-width: 720px) {
  .page-faq .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .guide-card:first-child {
    grid-column: span 2;
  }

  .page-faq .faq-stats li {
    padding-left: 1rem;
  }
}

@media (min-width: 900px) {
  .page-faq .guide-top {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: center;
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-faq .faq-body {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail__sticky {
    position: sticky;
    top: 5.5rem;
  }

  .page-faq .qa-item__a {
    padding-left: 2.5rem;
  }
}

@media (min-width: 1000px) {
  .page-faq .guide-grid {
    grid-template-columns: 1.15fr 0.95fr 1fr;
  }

  .page-faq .guide-card:first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .guide-card,
  .page-faq .faq-jump__link,
  .page-faq .qa-item__icon::after {
    transition: none;
  }

  .page-faq .guide-card:hover,
  .page-faq .faq-jump__link:hover {
    transform: none;
  }
}