.page-faq {
  --faq-sidebar-w: 280px;
  padding-bottom: calc(var(--space-section) * 0.75);
}

.page-faq .faq-hero {
  padding: 1.5rem 0 2.25rem;
  border-bottom: 1px solid var(--c-line);
  background:
    repeating-linear-gradient(120deg, rgba(0, 240, 255, 0.05) 0 1px, transparent 1px 22px),
    linear-gradient(135deg, var(--c-deep-space) 0%, var(--c-ink) 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.75rem;
}

.page-faq .faq-hero__main .page-title {
  margin-top: 0.75rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
}

.page-faq .faq-hero__main .page-lead {
  color: var(--c-text-dim);
  line-height: 1.8;
  max-width: 60ch;
}

.page-faq .faq-hero__aside {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem 1rem 1rem 1.25rem;
  border-left: 3px solid var(--c-orange);
  background: rgba(15, 36, 56, 0.55);
}

.page-faq .faq-hero__aside .edge-label {
  color: var(--c-cyan);
}

.page-faq .faq-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 0.35rem;
  font-size: 14px;
}

.page-faq .stat-num {
  font-family: var(--font-num);
  font-size: 2rem;
  line-height: 1;
  color: var(--c-lime);
}

.page-faq .faq-hero__note {
  margin: 0.5rem 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-dim);
}

.page-faq .faq-layout {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.page-faq .faq-index__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.page-faq .faq-index__label {
  margin: 0 0 0.25rem;
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-dim);
}

.page-faq .faq-index__nav {
  display: flex;
  gap: 0.5rem;
  padding: 0.125rem 0 0.25rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-faq .faq-index__nav::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  text-decoration: none;
  font-size: 14px;
  color: var(--c-text-dim);
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--c-line);
  border-radius: 4px;
  background: rgba(15, 36, 56, 0.6);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link.is-active {
  color: var(--c-text);
  border-color: var(--c-orange);
  background: rgba(255, 107, 26, 0.1);
}

.page-faq .faq-index__num {
  font-family: var(--font-num);
  color: var(--c-cyan);
}

.page-faq .faq-index__card {
  display: block;
  text-decoration: none;
  padding: 1rem;
  background: var(--c-dark-sea);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-lime);
  border-radius: 4px;
}

.page-faq .faq-index__card-title {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-text);
}

.page-faq .faq-index__card-text {
  display: block;
  margin-top: 0.35rem;
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-text-dim);
}

.page-faq .faq-chapter {
  position: relative;
  margin-bottom: 2rem;
  padding: 1.25rem;
  background: rgba(15, 36, 56, 0.66);
  border: 1px solid var(--c-line);
  border-radius: 6px;
  overflow: hidden;
}

.page-faq .faq-chapter::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 4px;
  background: var(--c-orange);
  transform: skewX(-24deg);
  transform-origin: top left;
}

.page-faq .faq-chapter__head {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-top: 0.5rem;
}

.page-faq .faq-chapter__num {
  font-family: var(--font-num);
  font-size: 1.75rem;
  line-height: 1;
  color: var(--c-cyan);
}

.page-faq .faq-chapter__title {
  margin: 0;
  font-size: 1.375rem;
  line-height: 1.35;
}

.page-faq .faq-chapter__desc {
  margin: 0.35rem 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-dim);
}

.page-faq .faq-chapter__more {
  margin: 1rem 0 0;
  font-size: 14px;
  color: var(--c-text-dim);
}

.page-faq .faq-chapter__more a {
  color: var(--c-cyan);
  text-underline-offset: 3px;
}

.page-faq .faq-list {
  display: grid;
  gap: 0.75rem;
}

.page-faq .faq-entry {
  border: 1px solid var(--c-line);
  border-radius: 5px;
  background: rgba(8, 18, 32, 0.55);
  overflow: hidden;
}

.page-faq .faq-entry[open] {
  border-color: rgba(0, 240, 255, 0.45);
  background: rgba(8, 18, 32, 0.78);
}

.page-faq .faq-entry__summary {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.875rem 1rem;
  cursor: pointer;
  list-style: none;
  color: var(--c-text);
}

.page-faq .faq-entry__summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-entry__summary:hover {
  background: rgba(0, 240, 255, 0.04);
}

.page-faq .faq-entry__num {
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-orange);
}

.page-faq .faq-entry__question {
  flex: 1;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.page-faq .faq-entry__icon {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  margin-right: 2px;
  border-right: 2px solid var(--c-cyan);
  border-bottom: 2px solid var(--c-cyan);
  transform: rotate(45deg);
  transition: transform 0.25s ease;
}

.page-faq .faq-entry[open] .faq-entry__icon {
  transform: rotate(225deg);
}

.page-faq .faq-entry__body {
  padding: 0.125rem 1rem 1rem calc(1rem + 2.5rem);
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-text-dim);
}

.page-faq .faq-entry__body p {
  margin: 0 0 0.5rem;
}

.page-faq .faq-entry__body p:last-child {
  margin-bottom: 0;
}

.page-faq .faq-entry__body a {
  color: var(--c-cyan);
}

.page-faq .faq-figure {
  margin: 1.25rem 0 0;
  background: var(--c-ink);
  border: 1px solid var(--c-line);
  border-radius: 5px;
  overflow: hidden;
}

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

.page-faq .faq-figure figcaption {
  padding: 0.625rem 0.875rem;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-text-dim);
  border-top: 1px solid var(--c-line);
}

.page-faq .faq-exit {
  margin-top: 2.5rem;
  padding: 1.75rem;
  background:
    linear-gradient(135deg, rgba(255, 107, 26, 0.08), rgba(0, 240, 255, 0.04)),
    var(--c-dark-sea);
  border: 1px solid var(--c-line);
  border-radius: 6px;
}

.page-faq .faq-exit__title {
  margin: 0;
  font-size: 1.25rem;
  line-height: 1.4;
}

.page-faq .faq-exit__text {
  margin: 0.5rem 0 1rem;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text-dim);
}

.page-faq .faq-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

@media (min-width: 768px) {
  .page-faq .faq-hero {
    padding: 2.5rem 0 3rem;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: end;
  }

  .page-faq .faq-chapter {
    padding: 1.75rem;
  }

  .page-faq .faq-entry__summary {
    padding: 1rem 1.125rem;
  }

  .page-faq .faq-entry__body {
    padding-left: calc(1.125rem + 2.75rem);
  }

  .page-faq .faq-exit {
    padding: 2rem 2.25rem;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-sidebar-w) minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
    margin-top: 2.5rem;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-index__inner {
    display: block;
  }

  .page-faq .faq-index__nav {
    display: grid;
    gap: 0.4rem;
    padding: 0;
    overflow: visible;
  }

  .page-faq .faq-index__link {
    display: flex;
    padding: 0.75rem 0.875rem;
    border: none;
    border-radius: 0;
    border-left: 3px solid var(--c-line);
    background: transparent;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link.is-active {
    background: rgba(255, 107, 26, 0.08);
    border-left-color: var(--c-orange);
  }

  .page-faq .faq-index__card {
    margin-top: 1.25rem;
  }
}