.page-faq {
  --faq-sidebar-w: 264px;
  --faq-item-bg: rgba(27, 42, 74, 0.75);
  --faq-item-line: rgba(141, 153, 174, 0.22);
  padding: clamp(1.5rem, 4vw, 3rem) 0 4rem;
  position: relative;
}

.page-faq .faq-hero {
  margin: clamp(1.5rem, 4vw, 2.5rem) 0;
  position: relative;
  padding-block: 1rem 2.25rem;
  border-bottom: 1px solid var(--line-dim);
}

.page-faq .faq-hero-index {
  font-family: var(--f-data);
  font-size: 0.9rem;
  color: var(--c-neon);
  letter-spacing: 0.2em;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
}

.page-faq .faq-hero-index::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--c-neon);
  display: inline-block;
}

.page-faq .faq-hero h1 {
  font-family: var(--f-display);
  font-size: clamp(2rem, 5vw, 3.4rem);
  margin: 0.75rem 0 0.5rem;
  line-height: 1.1;
  letter-spacing: 0.02em;
}

.page-faq .faq-hero-desc {
  color: var(--t-muted);
  max-width: 720px;
  font-size: 1rem;
  line-height: 1.7;
  margin: 0;
}

.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: stretch;
}

.page-faq .faq-index {
  border: 1px solid var(--line-dim);
  background: linear-gradient(160deg, rgba(27, 42, 74, 0.95), rgba(10, 22, 40, 0.92));
  border-radius: var(--r-l);
  padding: 1.25rem;
  position: relative;
  z-index: 5;
}

.page-faq .faq-index-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--f-data);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--t-muted);
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line-dim);
}

.page-faq .faq-index-dot {
  width: 8px;
  height: 8px;
  background: var(--c-neon);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(0, 230, 118, 0.6);
  display: inline-block;
}

.page-faq .faq-index-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.75rem 0;
}

.page-faq .faq-index-link {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.55rem 0.6rem;
  border-radius: var(--r-s);
  color: var(--t-body);
  text-decoration: none;
  font-size: 0.95rem;
  transition: background var(--speed) var(--ease), color var(--speed) var(--ease);
}

.page-faq .faq-index-link:hover {
  background: rgba(0, 230, 118, 0.08);
  color: #ffffff;
}

.page-faq .faq-index-num {
  font-family: var(--f-data);
  font-size: 0.75rem;
  color: var(--c-neon);
}

.page-faq .faq-index-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line-dim);
}

.page-faq .faq-index-actions .btn {
  flex: 1 1 auto;
}

.page-faq .faq-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 5vw, 4rem);
}

.page-faq .faq-section {
  border-top: 1px solid var(--line-dim);
  padding-top: 1.5rem;
}

.page-faq .faq-section-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.5rem 1rem;
  align-items: baseline;
  margin-bottom: 1.25rem;
}

.page-faq .faq-section-head .section-index {
  font-family: var(--f-display);
  font-size: 2.2rem;
  line-height: 1;
  color: rgba(0, 230, 118, 0.25);
  grid-row: 1 / 3;
}

.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(1.4rem, 3vw, 2rem);
  letter-spacing: 0.02em;
}

.page-faq .faq-section-lead {
  color: var(--t-muted);
  font-size: 0.95rem;
  margin: 0;
  line-height: 1.5;
}

.page-faq .faq-item {
  background: var(--faq-item-bg);
  border: 1px solid var(--faq-item-line);
  border-radius: var(--r-m);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color var(--speed) var(--ease), background var(--speed) var(--ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(0, 230, 118, 0.35);
}

.page-faq .faq-item[open] {
  border-color: rgba(0, 230, 118, 0.5);
  background: rgba(27, 42, 74, 0.92);
}

.page-faq .faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.2rem;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.45;
  color: var(--t-heading);
  user-select: none;
}

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

.page-faq .faq-item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  background: var(--c-ember);
  transform: rotate(45deg);
  transition: background var(--speed) var(--ease), transform var(--speed) var(--ease);
}

.page-faq .faq-item[open] summary::before {
  background: var(--c-neon);
  transform: rotate(135deg);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--c-neon);
  outline-offset: -2px;
}

.page-faq .faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s var(--ease);
}

.page-faq .faq-item[open] .faq-answer {
  grid-template-rows: 1fr;
}

.page-faq .faq-answer-inner {
  overflow: hidden;
}

.page-faq .faq-answer-inner p {
  margin: 0;
  padding: 0 1.2rem 1.15rem 2.65rem;
  color: var(--t-body);
  font-size: 0.95rem;
  line-height: 1.7;
  border-top: 1px solid var(--line-dim);
}

.page-faq .faq-figure {
  margin: 1.5rem 0 0.75rem;
  border-radius: var(--r-l);
  overflow: hidden;
  border: 1px solid var(--line-dim);
  background: rgba(27, 42, 74, 0.5);
  display: block;
}

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

.page-faq .faq-figure figcaption {
  padding: 0.75rem 1rem;
  color: var(--t-muted);
  font-size: 0.85rem;
  font-family: var(--f-data);
  border-top: 1px solid var(--line-dim);
}

.page-faq .faq-note {
  margin-top: 1.5rem;
  border-left: 3px solid var(--c-chili);
  padding: 1rem 1.25rem;
  background: rgba(230, 57, 70, 0.08);
  border-radius: 0 var(--r-m) var(--r-m) 0;
}

.page-faq .faq-note p {
  margin: 0;
  color: var(--t-body);
  font-size: 0.9rem;
  line-height: 1.6;
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }

  .page-faq .faq-index {
    flex: 0 0 var(--faq-sidebar-w);
    position: sticky;
    top: calc(var(--header-topbar-h) + 1.5rem);
  }

  .page-faq .faq-content {
    flex: 1;
  }
}