.page-faq {
  --faq-line: rgba(191, 175, 208, .18);
  --faq-item-bg: rgba(20, 8, 32, .55);
  background:
    radial-gradient(1100px 520px at 78% -6%, rgba(59, 23, 96, .5), transparent 65%),
    radial-gradient(760px 420px at 4% 18%, rgba(20, 58, 50, .26), transparent 72%);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: center;
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(2.25rem, 5vw, 3.75rem);
}

.page-faq .faq-hero__text { max-width: 46rem; }

.page-faq .faq-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .55rem;
  margin-top: 1.5rem;
}

.page-faq .faq-hero__fact {
  display: inline-flex;
  align-items: baseline;
  gap: .4rem;
  padding: .38rem .8rem;
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--radius-pill);
  background: rgba(20, 8, 32, .5);
  font-size: .82rem;
  color: var(--c-mauve);
}

.page-faq .faq-hero__fact b {
  font-family: var(--font-mono);
  font-size: .95rem;
  font-weight: 600;
  color: var(--c-gold-bright);
}

.page-faq .faq-hero__visual { margin: 0; }

.page-faq .faq-hero__visual .img-frame { border-radius: var(--radius-lg); }

/* ---------- 左索引 + 右手风琴 ---------- */
.page-faq .faq-body {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-side {
  padding: 1.25rem 1.15rem 1.35rem;
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, rgba(43, 15, 69, .88), rgba(20, 8, 32, .94));
}

.page-faq .faq-side__list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: .3rem;
}

.page-faq .faq-side__link {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) auto;
  align-items: center;
  gap: .5rem;
  padding: .55rem .6rem;
  border-radius: var(--radius-xs);
  border-left: 2px solid transparent;
  color: var(--c-ivory);
  font-size: .95rem;
  text-decoration: none;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-side__link:hover,
.page-faq .faq-side__link:focus-visible {
  background: rgba(201, 162, 39, .12);
  border-left-color: var(--c-gold);
  color: var(--c-gold-bright);
}

.page-faq .faq-side__no {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--c-slate);
}

.page-faq .faq-side__count {
  padding: .05rem .45rem;
  border: 1px solid var(--line-cool);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--c-mauve);
}

.page-faq .faq-side__note {
  margin: 1.1rem 0 .9rem;
  padding-top: .9rem;
  border-top: 1px solid var(--line-gold-soft);
  font-size: .82rem;
  line-height: 1.7;
  color: var(--c-mauve);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group { scroll-margin-top: calc(var(--header-h) + 1.5rem); }

.page-faq .faq-group + .faq-group { margin-top: clamp(2rem, 4.5vw, 3rem); }

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .4rem 1rem;
  padding-bottom: .75rem;
  margin-bottom: 1.1rem;
  border-bottom: 1px solid var(--line-gold-soft);
}

.page-faq .faq-group__title {
  position: relative;
  margin: 0;
  padding-left: 1rem;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--c-ivory);
}

.page-faq .faq-group__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: .42em;
  width: .38rem;
  height: .38rem;
  background: var(--c-gold);
  transform: rotate(45deg);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: .85rem;
  color: var(--c-mauve);
}

.page-faq .faq-filter { margin-bottom: 1.1rem; }

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: .7rem;
}

.page-faq .faq-item {
  border: 1px solid var(--line-cool);
  border-radius: var(--radius-sm);
  background: var(--faq-item-bg);
  overflow: hidden;
  transition: border-color .2s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-item[hidden] { display: none; }

.page-faq .faq-item:hover { border-color: var(--line-gold); }

.page-faq .faq-item[open] {
  border-color: var(--line-gold);
  background: linear-gradient(155deg, rgba(59, 23, 96, .8), rgba(20, 8, 32, .95));
  box-shadow: var(--shadow-1);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr) 1rem;
  align-items: center;
  gap: .75rem;
  padding: 1rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--c-ivory);
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--c-gold-bright);
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--c-slate);
  letter-spacing: .04em;
}

.page-faq .faq-item[open] .faq-item__no { color: var(--c-gold-bright); }

.page-faq .faq-item__mark {
  position: relative;
  justify-self: end;
  width: 12px;
  height: 12px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--c-gold);
  border-radius: 1px;
  transition: transform .22s var(--ease), background .22s var(--ease);
}

.page-faq .faq-item__mark::before { left: 0; top: 5px; width: 12px; height: 2px; }

.page-faq .faq-item__mark::after { left: 5px; top: 0; width: 2px; height: 12px; }

.page-faq .faq-item[open] .faq-item__mark::before { background: var(--c-gold-bright); }

.page-faq .faq-item[open] .faq-item__mark::after { transform: scaleY(0); }

.page-faq .faq-item__a {
  padding: 0 1.05rem 1.1rem;
  font-size: .93rem;
  line-height: 1.85;
  color: var(--c-mauve);
}

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

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

/* ---------- 四步流程 ---------- */
.page-faq .faq-steps {
  display: grid;
  gap: .55rem;
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-step {
  padding: .7rem .75rem;
  border: 1px solid rgba(111, 210, 196, .3);
  border-radius: var(--radius-xs);
  background: rgba(20, 58, 50, .45);
}

.page-faq .faq-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--c-teal);
}

.page-faq .faq-step__name {
  display: block;
  margin-top: .3rem;
  font-size: .9rem;
  color: var(--c-ivory);
}

/* ---------- 分类层级图 ---------- */
.page-faq .faq-map {
  display: grid;
  gap: .6rem;
  margin-top: 1.25rem;
}

.page-faq .faq-map__cell {
  padding: .85rem .9rem;
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--radius-xs);
  background: rgba(43, 15, 69, .45);
}

.page-faq .faq-map__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--c-gold-bright);
}

.page-faq .faq-map__t {
  display: block;
  margin-top: .15rem;
  font-size: .9rem;
  color: var(--c-ivory);
}

.page-faq .faq-map__d {
  display: block;
  margin-top: .35rem;
  font-size: .82rem;
  line-height: 1.7;
  color: var(--c-mauve);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure { margin: 1.35rem 0 0; }

.page-faq .faq-figure .img-frame { border-radius: var(--radius-md); }

.page-faq .faq-figure figcaption {
  margin-top: .65rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--c-slate);
}

/* ---------- 服务与响应 ---------- */
.page-faq .faq-service {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-top: 1px solid var(--line-gold-soft);
}

.page-faq .faq-service__grid { margin-top: 2rem; }

.page-faq .faq-service .kpi {
  background: linear-gradient(160deg, rgba(43, 15, 69, .7), rgba(20, 8, 32, .9));
  border: 1px solid var(--line-gold-soft);
}

/* ---------- 联系入口 ---------- */
.page-faq .faq-cta { padding-bottom: clamp(3rem, 7vw, 5rem); }

.page-faq .faq-cta__panel {
  display: grid;
  gap: 1.5rem;
  padding: clamp(1.5rem, 4vw, 2.5rem);
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(106, 22, 48, .55), rgba(43, 15, 69, .9) 55%, rgba(20, 8, 32, .95));
  box-shadow: var(--shadow-2);
}

.page-faq .faq-cta__text h2 {
  margin: .5rem 0 .85rem;
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  color: var(--c-ivory);
}

.page-faq .faq-cta__text p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.85;
  color: var(--c-mauve);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.35rem;
}

.page-faq .faq-cta__list {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 1rem 1.1rem;
  list-style: none;
  border: 1px solid var(--line-gold-soft);
  border-radius: var(--radius-md);
  background: rgba(20, 8, 32, .6);
  font-size: .9rem;
  color: var(--c-ivory);
}

.page-faq .faq-cta__list li {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  word-break: break-word;
}

.page-faq .faq-cta__list span {
  min-width: 3rem;
  font-family: var(--font-mono);
  font-size: .76rem;
  color: var(--c-gold-bright);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-steps { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .page-faq .faq-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }

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

  .page-faq .faq-item__a { padding-left: 3.9rem; }
}

@media (min-width: 960px) {
  .page-faq .faq-hero { grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr); }

  .page-faq .faq-hero__visual { transform: rotate(-1.2deg); }

  .page-faq .faq-cta__panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-body {
    grid-template-columns: 252px minmax(0, 1fr);
    align-items: start;
  }

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