.page-faq {
  --faq-card: var(--ink-800);
  --faq-rule: 1px solid var(--ink-700);
}

/* ---------- 页头 ---------- */
.page-faq .faq-head {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-faq .faq-head__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: end;
  padding-bottom: clamp(28px, 5vw, 56px);
  border-bottom: var(--line);
}

.page-faq .faq-head__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--gold-300);
}

.page-faq .faq-head__eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--gold-500);
}

.page-faq .faq-head h1 {
  margin: 0 0 18px;
  font-size: clamp(38px, 7vw, 76px);
  font-weight: 900;
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--text);
}

.page-faq .faq-head__lead {
  margin: 0 0 22px;
  max-width: 56ch;
  font-size: clamp(16px, 1.6vw, 19px);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-head__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
}

.page-faq .faq-head__facts li {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--gold-300);
}

.page-faq .faq-head__facts li::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  background: var(--jade);
}

.page-faq .faq-head__figure {
  margin: 0;
  border: var(--line);
  background: var(--ink-800);
  box-shadow: var(--hard);
}

.page-faq .faq-head__figure .media {
  display: block;
}

.page-faq .faq-head__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 分类索引 ---------- */
.page-faq .group-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .group-card {
  display: block;
}

.page-faq .group-card__link {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 22px 20px 26px;
  border: var(--line);
  background: var(--faq-card);
  color: var(--text);
  text-decoration: none;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s var(--ease);
}

.page-faq .group-card__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: var(--gold-500);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .26s var(--ease);
}

.page-faq .group-card__link:hover,
.page-faq .group-card__link:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: var(--hard);
  border-color: var(--gold-500);
  outline: none;
}

.page-faq .group-card__link:hover::before,
.page-faq .group-card__link:focus-visible::before {
  transform: scaleY(1);
}

.page-faq .group-card__num {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold-500);
}

.page-faq .group-card__title {
  font-size: clamp(18px, 2vw, 21px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-faq .group-card__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-faq .group-card__count {
  margin-top: 4px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gold-300);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  padding-top: clamp(30px, 5vw, 58px);
}

.page-faq .faq-group__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-faq .faq-group__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: clamp(40px, 7vw, 64px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.05em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--gold-500);
}

.page-faq .faq-group__title {
  margin: 0 0 10px;
  font-size: clamp(22px, 2.6vw, 28px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--text);
}

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

.page-faq .qa-list {
  display: grid;
  gap: 12px;
}

.page-faq .qa {
  border: var(--line);
  background: var(--faq-card);
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .qa[open] {
  border-color: var(--gold-500);
  box-shadow: var(--hard);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 17px 18px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--text);
  transition: color .2s var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--gold-300);
}

.page-faq .qa__q:focus-visible {
  outline: 2px solid var(--gold-300);
  outline-offset: -4px;
}

.page-faq .qa__idx {
  font-size: 12px;
  line-height: 1.95;
  letter-spacing: .06em;
  color: var(--gold-500);
}

.page-faq .qa__icon {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: var(--gold-500);
  transition: transform .28s var(--ease), color .28s var(--ease);
}

.page-faq .qa__icon svg {
  display: block;
  width: 18px;
  height: 18px;
}

.page-faq .qa[open] .qa__icon {
  transform: rotate(45deg);
  color: var(--jade);
}

.page-faq .qa__a {
  padding: 16px 18px 20px;
  border-top: var(--faq-rule);
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .qa__a p {
  margin: 0 0 12px;
}

.page-faq .qa__a p:last-child,
.page-faq .qa__a ul:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a ul {
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
}

.page-faq .qa__a li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 8px;
}

.page-faq .qa__a li:last-child {
  margin-bottom: 0;
}

.page-faq .qa__a li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 6px;
  height: 6px;
  background: var(--gold-500);
}

.page-faq .qa__a strong {
  color: var(--text);
  font-weight: 700;
}

.page-faq .qa__a a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 201, 107, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible {
  color: var(--gold-500);
  border-bottom-color: var(--gold-500);
}

.page-faq .faq-hl {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--gold-300);
}

/* ---------- 地图配图 ---------- */
.page-faq .faq-map-figure {
  margin: 0 0 16px;
  border: var(--line);
  background: var(--ink-900);
}

.page-faq .faq-map-figure .media {
  display: block;
}

.page-faq .faq-map-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-faq .faq-map-figure figcaption {
  padding: 10px 16px;
  border-top: var(--faq-rule);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

/* ---------- 联系支持 ---------- */
.page-faq .faq-support__panel {
  padding: clamp(24px, 4vw, 40px);
}

.page-faq .faq-support__panel h2 {
  margin: 12px 0 14px;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.015em;
  color: var(--text);
}

.page-faq .faq-support__lead {
  margin: 0 0 24px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}

.page-faq .faq-support__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-faq .faq-support__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: var(--faq-rule);
  background: var(--ink-900);
}

.page-faq .faq-support__key {
  font-size: 10px;
  letter-spacing: .24em;
  color: var(--gold-500);
}

.page-faq .faq-support__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-faq .faq-support__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-support__note a {
  color: var(--gold-300);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 201, 107, .45);
}

.page-faq .faq-support__note a:hover,
.page-faq .faq-support__note a:focus-visible {
  color: var(--gold-500);
  border-bottom-color: var(--gold-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .group-index {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-support__list {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-faq .faq-support__item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-head__grid {
    grid-template-columns: 1.15fr 1fr;
    gap: clamp(32px, 5vw, 60px);
  }

  .page-faq .faq-group__grid {
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 68px);
  }

  .page-faq .faq-group__side {
    position: sticky;
    top: 108px;
    align-self: start;
  }
}

@media (min-width: 1080px) {
  .page-faq .group-index {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .group-card__link,
  .page-faq .group-card__link::before,
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__icon {
    transition: none;
  }

  .page-faq .group-card__link:hover,
  .page-faq .group-card__link:focus-visible {
    transform: none;
  }
}