.page-faq {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(115% 85% at 100% 0%, rgba(166, 124, 46, 0.18), transparent 62%),
    radial-gradient(80% 60% at 0% 100%, rgba(107, 78, 31, 0.22), transparent 70%),
    var(--ink);
  border-bottom: 1px solid var(--line-gold);
}

.page-faq .faq-crumbs {
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--warm);
  margin-bottom: clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-crumbs a {
  color: var(--warm);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-crumbs a:hover {
  color: var(--gold-bright);
  border-bottom-color: var(--gold);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3rem);
}

.page-faq .faq-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6.4vw, 3.9rem);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--paper);
  margin: 0.85rem 0 1.25rem;
}

.page-faq .faq-hl {
  color: var(--gold-bright);
}

.page-faq .faq-lead {
  max-width: 58ch;
  margin: 0 0 1.6rem;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  color: var(--paper-2);
}

.page-faq .faq-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-faq .faq-meta-note {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--warm);
}

.page-faq .faq-hero-frame {
  width: 100%;
  margin: 0;
}

.page-faq .faq-hero-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 正文区 ---------- */
.page-faq .faq-body {
  padding: clamp(2rem, 5vw, 3.75rem) 0 clamp(3rem, 7vw, 5rem);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 22%, var(--ink-2) 82%, var(--ink) 100%);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

/* ---------- 主题索引 ---------- */
.page-faq .faq-index {
  padding: 1.25rem 1.15rem;
  border: 1px solid var(--line-gold);
  background: linear-gradient(180deg, rgba(166, 124, 46, 0.1), rgba(166, 124, 46, 0.01));
}

.page-faq .faq-index-title {
  margin: 0 0 0.85rem;
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--gold-bright);
}

.page-faq .faq-index-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
}

.page-faq .faq-index-list a {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.6rem 0.45rem;
  font-size: 0.95rem;
  color: var(--paper-2);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  color: var(--gold-bright);
  border-left-color: var(--gold);
  background: rgba(166, 124, 46, 0.1);
}

.page-faq .faq-index-num {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.page-faq .faq-index-links {
  display: grid;
  gap: 0.3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line-gold-soft);
}

.page-faq .faq-index-links .faq-index-title {
  margin-bottom: 0.4rem;
}

.page-faq .faq-index-links a {
  padding: 0.22rem 0;
  font-size: 0.9rem;
  color: var(--warm);
  text-decoration: none;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.page-faq .faq-index-links a:hover,
.page-faq .faq-index-links a:focus-visible {
  color: var(--gold-bright);
  padding-left: 0.25rem;
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(2rem, 5vw, 3.25rem);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--head-h) + 1.25rem);
}

.page-faq .faq-group-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding-bottom: 0.7rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-faq .faq-group-title {
  position: relative;
  margin: 0;
  padding-left: 1.6rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.25rem, 3.2vw, 1.6rem);
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-faq .faq-group-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 1rem;
  height: 2px;
  background: var(--gold);
}

.page-faq .faq-group-count {
  margin-left: auto;
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  color: var(--warm);
  white-space: nowrap;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  background: var(--ink-2);
  border: 1px solid var(--line-gold-soft);
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-faq .qa + .qa {
  margin-top: 0.6rem;
}

.page-faq .qa[open] {
  background: var(--rock);
  border-color: var(--line-gold);
}

.page-faq .qa > summary {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.15rem;
  font-size: clamp(0.98rem, 2vw, 1.05rem);
  font-weight: 600;
  color: var(--paper);
  cursor: pointer;
  list-style: none;
  transition: color 0.18s ease;
}

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

.page-faq .qa > summary:hover {
  color: var(--gold-bright);
}

.page-faq .qa > summary:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: -2px;
}

.page-faq .qa-mark {
  position: relative;
  flex: 0 0 auto;
  width: 15px;
  height: 15px;
  margin-top: 0.36rem;
  border: 1px solid var(--gold);
  transition: border-color 0.18s ease;
}

.page-faq .qa-mark::before,
.page-faq .qa-mark::after {
  content: "";
  position: absolute;
  background: var(--gold-bright);
  transition: background 0.18s ease;
}

.page-faq .qa-mark::before {
  left: 50%;
  top: 3px;
  bottom: 3px;
  width: 1px;
  transform: translateX(-50%);
}

.page-faq .qa-mark::after {
  top: 50%;
  left: 3px;
  right: 3px;
  height: 1px;
  transform: translateY(-50%);
}

.page-faq .qa[open] .qa-mark {
  border-color: var(--cinnabar);
}

.page-faq .qa[open] .qa-mark::before {
  display: none;
}

.page-faq .qa[open] .qa-mark::after {
  background: var(--cinnabar);
}

.page-faq .qa-a {
  padding: 0.95rem 1.15rem 1.2rem calc(1.15rem + 15px + 0.85rem);
  border-top: 1px solid var(--line-gold-soft);
  font-size: 0.95rem;
  color: var(--paper-2);
}

.page-faq .qa-a p {
  margin: 0;
}

.page-faq .qa-a a,
.page-faq .faq-tail a {
  color: var(--gold-bright);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold);
  transition: border-color 0.18s ease;
}

.page-faq .qa-a a:hover,
.page-faq .faq-tail a:hover {
  border-bottom-color: var(--gold-bright);
}

.page-faq .faq-path {
  display: inline;
  font-size: 0.85em;
  color: var(--gold-bright);
  background: rgba(166, 124, 46, 0.14);
  border: 1px solid var(--line-gold-soft);
  padding: 0.03em 0.4em;
  letter-spacing: 0.02em;
  word-break: break-word;
}

/* ---------- 配图 ---------- */
.page-faq .faq-route-fig {
  margin: 0 0 1rem;
}

.page-faq .faq-route-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  padding: 1.1rem 1.25rem;
  border-left: 3px solid var(--gold);
  background: rgba(166, 124, 46, 0.08);
  font-size: 0.95rem;
  color: var(--paper-2);
}

.page-faq .faq-tail p {
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 961px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-faq .faq-layout {
    grid-template-columns: 264px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--head-h) + 1.25rem);
  }
}

@media (max-width: 600px) {
  .page-faq .qa > summary {
    padding: 0.85rem 0.9rem;
    gap: 0.7rem;
  }

  .page-faq .qa-a {
    padding: 0.85rem 0.9rem 1.05rem calc(0.9rem + 15px + 0.7rem);
  }

  .page-faq .faq-group-head {
    flex-wrap: wrap;
    gap: 0.4rem;
  }

  .page-faq .faq-group-count {
    margin-left: 0;
  }

  .page-faq .faq-hero-frame img,
  .page-faq .faq-route-fig img {
    aspect-ratio: 16 / 9;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa-mark,
  .page-faq .qa-mark::before,
  .page-faq .qa-mark::after,
  .page-faq .qa > summary,
  .page-faq .faq-crumbs a,
  .page-faq .faq-index-list a,
  .page-faq .faq-index-links a {
    transition: none;
  }
}