.page-faq {
  --faq-rail: 272px;
  --faq-gap: clamp(24px, 3.6vw, 56px);
  --faq-soft: rgba(18, 24, 56, .92);
  background: var(--qp-indigo);
  color: var(--qp-paper);
  font-family: var(--qp-font-body);
  padding-bottom: clamp(56px, 8vw, 120px);
}

.page-faq .qp-section {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-faq .qp-lede {
  color: var(--qp-mist);
  max-width: 52em;
  margin-top: 0;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 4vw, 52px) 0 clamp(34px, 5vw, 64px);
  border-bottom: 1px solid var(--qp-line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 170%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(46% 58% at 16% 14%, rgba(231, 178, 76, .18), transparent 68%),
    radial-gradient(40% 56% at 88% 2%, rgba(70, 192, 174, .12), transparent 70%),
    radial-gradient(58% 66% at 62% 102%, rgba(242, 118, 74, .09), transparent 72%);
}

.page-faq .faq-hero__eyebrow {
  font-family: var(--qp-font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--qp-gold);
  margin: 0 0 14px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--qp-font-display);
  font-weight: 900;
  font-size: clamp(2.05rem, 5.4vw, 3.9rem);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--qp-paper);
  max-width: 20em;
}

.page-faq .faq-hero__lede {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 46em;
  font-size: clamp(1rem, 1.3vw, 1.0625rem);
  line-height: 1.9;
  color: var(--qp-mist);
}

/* ---------- 检索框 ---------- */

.page-faq .faq-search {
  margin-top: clamp(26px, 3.4vw, 40px);
  max-width: 640px;
}

.page-faq .faq-search__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--qp-font-label);
  font-size: .8125rem;
  letter-spacing: .14em;
  color: var(--qp-mist);
}

.page-faq .faq-search__field {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 2px 16px;
  border: 1px solid rgba(231, 178, 76, .4);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(18, 24, 56, .96), rgba(10, 14, 42, .96));
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.page-faq .faq-search__field:focus-within {
  border-color: var(--qp-gold);
  box-shadow: 0 0 0 3px rgba(231, 178, 76, .16);
}

.page-faq .faq-search__glyph {
  flex: 0 0 auto;
  font-family: var(--qp-font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--qp-gold);
}

.page-faq .faq-search__field input {
  flex: 1 1 auto;
  min-width: 0;
  padding: 15px 0;
  border: 0;
  background: transparent;
  color: var(--qp-paper);
  font-family: var(--qp-font-body);
  font-size: 1rem;
  line-height: 1.6;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search__field input::placeholder {
  color: rgba(166, 163, 192, .72);
}

.page-faq .faq-search__empty {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--qp-jade);
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--qp-jade);
}

.page-faq .faq-quick {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 0;
  padding: 0;
}

.page-faq .faq-quick a {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid rgba(36, 42, 85, .95);
  border-radius: 2px;
  background: rgba(36, 42, 85, .42);
  color: var(--qp-mist);
  font-family: var(--qp-font-label);
  font-size: .8125rem;
  letter-spacing: .08em;
  text-decoration: none;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.page-faq .faq-quick a:hover,
.page-faq .faq-quick a:focus-visible {
  color: var(--qp-paper);
  border-color: var(--qp-gold);
  background: rgba(231, 178, 76, .12);
  outline: none;
}

/* ---------- 类目目录 + 问答 ---------- */

.page-faq .faq-catalog {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(26px, 3.6vw, 46px);
}

.page-faq .faq-tree {
  min-width: 0;
  padding-top: 16px;
  border-top: 1px solid var(--qp-line);
}

.page-faq .faq-tree__cap {
  margin: 0 0 14px;
  font-family: var(--qp-font-label);
  font-size: .8125rem;
  letter-spacing: .14em;
  color: var(--qp-gold);
}

.page-faq .faq-tree__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--qp-line);
}

.page-faq .faq-tree__link {
  position: relative;
  display: grid;
  grid-template-columns: 5.6em minmax(0, 1fr);
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px 9px 20px;
  color: var(--qp-mist);
  font-size: .9375rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 160ms ease, background 160ms ease;
}

.page-faq .faq-tree__link::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  width: 11px;
  height: 1px;
  background: var(--qp-violet);
  transform: translateY(-50%);
  transition: width 160ms ease, background 160ms ease;
}

.page-faq .faq-tree__link:hover,
.page-faq .faq-tree__link:focus-visible {
  color: var(--qp-paper);
  background: rgba(36, 42, 85, .52);
  outline: none;
}

.page-faq .faq-tree__link:hover::before,
.page-faq .faq-tree__link:focus-visible::before {
  width: 18px;
  background: var(--qp-gold);
}

.page-faq .faq-tree__no {
  font-family: var(--qp-font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--qp-gold);
}

.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(30px, 4vw, 50px);
  padding-top: clamp(30px, 4vw, 50px);
  border-top: 1px solid var(--qp-line);
}

.page-faq .faq-group__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--qp-font-heading);
  font-weight: 600;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.35;
  color: var(--qp-paper);
}

.page-faq .faq-group__no {
  padding: 3px 9px;
  border: 1px solid var(--qp-hairline);
  border-radius: 2px;
  font-family: var(--qp-font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--qp-gold);
}

.page-faq .faq-item {
  border-left: 2px solid rgba(231, 178, 76, .5);
  border-radius: 2px;
  background: linear-gradient(180deg, rgba(18, 24, 56, .94), rgba(10, 14, 42, .94));
  overflow: hidden;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.page-faq .faq-item + .faq-item {
  margin-top: 12px;
}

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

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  color: var(--qp-paper);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  font-family: var(--qp-font-mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--qp-jade);
}

.page-faq .faq-item[open] > summary::after {
  content: "–";
  color: var(--qp-gold);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--qp-gold);
  outline-offset: -3px;
}

.page-faq .faq-item__no {
  font-family: var(--qp-font-mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--qp-gold);
  line-height: 1.7;
}

.page-faq .faq-item__q {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.65;
}

.page-faq .faq-item__body {
  padding: 16px 18px 20px;
  border-top: 1px solid rgba(36, 42, 85, .95);
  color: var(--qp-mist);
  font-size: .9375rem;
  line-height: 1.85;
}

.page-faq .faq-item__lead {
  margin: 0;
  color: var(--qp-paper);
  font-weight: 500;
}

.page-faq .faq-item__body a {
  color: var(--qp-gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-steps {
  counter-reset: step;
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-faq .faq-steps > li {
  counter-increment: step;
  position: relative;
  padding-left: 2.7em;
  margin-top: 10px;
}

.page-faq .faq-steps > li::before {
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: .3em;
  font-family: var(--qp-font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--qp-gold);
}

/* ---------- 序号定位 ---------- */

.page-faq .faq-split {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-points {
  list-style: none;
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
}

.page-faq .faq-points > li {
  position: relative;
  padding-left: 22px;
  color: var(--qp-mist);
  font-size: .9375rem;
  line-height: 1.85;
}

.page-faq .faq-points > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .8em;
  width: 10px;
  height: 1px;
  background: var(--qp-gold);
}

.page-faq .faq-figure {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--qp-hairline);
  border-radius: 2px;
  background: rgba(18, 24, 56, .6);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 1px;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin-top: 12px;
  font-family: var(--qp-font-label);
  font-size: .8125rem;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--qp-mist);
}

/* ---------- 检索字段 ---------- */

.page-faq .faq-scope {
  list-style: none;
  margin: clamp(24px, 3vw, 38px) 0 0;
  padding: 0;
  border-top: 1px solid var(--qp-line);
}

.page-faq .faq-scope__row {
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 14px;
  border-bottom: 1px solid rgba(36, 42, 85, .85);
  transition: background 160ms ease;
}

.page-faq .faq-scope__row:hover {
  background: rgba(36, 42, 85, .42);
}

.page-faq .faq-scope__num {
  font-family: var(--qp-font-mono);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--qp-gold);
}

.page-faq .faq-scope__name {
  font-family: var(--qp-font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--qp-paper);
}

.page-faq .faq-scope__desc {
  grid-column: 2;
  color: var(--qp-mist);
  font-size: .9375rem;
  line-height: 1.8;
}

.page-faq .faq-note-inline {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-left: 2px solid var(--qp-jade);
  background: rgba(18, 24, 56, .62);
  color: var(--qp-mist);
  font-size: .9375rem;
  line-height: 1.85;
}

.page-faq .faq-hit {
  padding: 0 3px;
  border-radius: 1px;
  background: rgba(70, 192, 174, .2);
  color: var(--qp-jade);
}

/* ---------- 常见说明 ---------- */

.page-faq .faq-facts {
  margin: clamp(24px, 3vw, 38px) 0 0;
  border-top: 1px solid var(--qp-line);
}

.page-faq .faq-facts__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 14px;
  border-bottom: 1px solid rgba(36, 42, 85, .85);
  transition: background 160ms ease;
}

.page-faq .faq-facts__row:hover {
  background: rgba(36, 42, 85, .38);
}

.page-faq .faq-facts dt {
  font-family: var(--qp-font-label);
  font-size: .8125rem;
  letter-spacing: .12em;
  color: var(--qp-gold);
}

.page-faq .faq-facts dd {
  margin: 0;
  color: var(--qp-paper);
  font-size: .9688rem;
  line-height: 1.85;
}

/* ---------- 下一步 ---------- */

.page-faq .faq-next {
  display: grid;
  gap: var(--faq-gap);
  align-items: start;
  padding-top: 8px;
}

.page-faq .faq-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-next__side {
  padding: 22px;
  border: 1px solid var(--qp-hairline);
  border-radius: 2px;
  background: linear-gradient(170deg, rgba(36, 42, 85, .58), rgba(10, 14, 42, .92));
}

.page-faq .faq-next__cap {
  margin: 0 0 16px;
  font-family: var(--qp-font-label);
  font-size: .8125rem;
  letter-spacing: .14em;
  color: var(--qp-gold);
}

.page-faq .faq-next__stats {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-faq .faq-next__stats > li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid rgba(36, 42, 85, .85);
}

.page-faq .faq-next__stats > li:last-child {
  border-bottom: 0;
}

.page-faq .faq-next__val {
  font-family: var(--qp-font-mono);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--qp-paper);
}

.page-faq .faq-next__key {
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--qp-mist);
  text-align: right;
}

.page-faq .faq-next__note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--qp-line);
  font-size: .875rem;
  line-height: 1.8;
  color: var(--qp-mist);
}

.page-faq .faq-tailnote {
  margin: 0;
  padding-top: 24px;
  border-top: 1px solid var(--qp-line);
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--qp-mist);
}

.page-faq .faq-tailnote a {
  color: var(--qp-gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 桌面栅格 ---------- */

@media (min-width: 720px) {
  .page-faq .faq-scope__row {
    grid-template-columns: 2.6em 9em minmax(0, 1fr);
    gap: 14px;
  }

  .page-faq .faq-scope__desc {
    grid-column: 3;
  }

  .page-faq .faq-facts__row {
    grid-template-columns: 9em minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 880px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-faq .faq-next {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 920px) {
  .page-faq .faq-catalog {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
  }

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

/* ---------- 窄屏收尾 ---------- */

@media (max-width: 560px) {
  .page-faq .faq-hero h1 {
    font-size: clamp(1.85rem, 8vw, 2.4rem);
  }

  .page-faq .faq-item > summary {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 10px;
    padding: 14px 14px;
  }

  .page-faq .faq-item > summary::after {
    grid-column: 2;
    justify-self: start;
    margin-top: 4px;
  }

  .page-faq .faq-item__body {
    padding: 14px 14px 18px;
  }

  .page-faq .faq-tree__link {
    grid-template-columns: 4.8em minmax(0, 1fr);
    padding-left: 16px;
  }

  .page-faq .faq-next__side {
    padding: 18px;
  }

  .page-faq .faq-next__stats > li {
    flex-direction: column;
    gap: 4px;
  }

  .page-faq .faq-next__key {
    text-align: left;
  }
}