.page-faq {
  --faq-line: 1px solid var(--line);
  --faq-line-strong: 1px solid var(--line-strong);
  --faq-body-text: rgba(245, 241, 232, .8);
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 72px;
}

.page-faq .breadcrumb {
  margin-top: 22px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  margin-top: 18px;
  border-top: var(--faq-line);
  border-bottom: var(--faq-line);
  overflow: hidden;
  background:
    radial-gradient(120% 150% at 88% 0%, rgba(62, 122, 120, .30) 0%, rgba(62, 122, 120, 0) 58%),
    linear-gradient(180deg, var(--ink-soft) 0%, var(--ink) 100%);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  padding-top: 36px;
  padding-bottom: 42px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(34px, 7.4vw, 74px);
  line-height: 1.14;
  letter-spacing: -.02em;
  max-width: 14em;
  text-wrap: balance;
}

.page-faq .faq-hero__intro {
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--faq-body-text);
  max-width: 34em;
}

.page-faq .faq-hero__note {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 34em;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-console {
  border: var(--faq-line-strong);
  background: rgba(11, 26, 43, .68);
  padding: 20px;
}

.page-faq .faq-console__head {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: var(--faq-line);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-faq .faq-console__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.page-faq .faq-console__stats li {
  padding: 16px 0;
  border-bottom: var(--faq-line);
}

.page-faq .faq-console__stats li:nth-child(odd) {
  padding-right: 14px;
}

.page-faq .faq-console__stats li:nth-child(even) {
  padding-left: 14px;
  border-left: var(--faq-line);
}

.page-faq .faq-console__stats li:nth-last-child(-n+2) {
  border-bottom: none;
}

.page-faq .faq-console__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.1;
  letter-spacing: .02em;
  color: var(--gold-bright);
}

.page-faq .faq-console__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--slate);
}

.page-faq .faq-console__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--faq-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 区块通用 ---------- */

.page-faq .faq-block {
  padding-top: 60px;
  padding-bottom: 6px;
}

.page-faq .faq-block__head {
  max-width: 720px;
}

.page-faq .faq-block__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(25px, 4.4vw, 38px);
  line-height: 1.26;
  letter-spacing: -.01em;
}

.page-faq .faq-block__lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-body-text);
  max-width: 36em;
}

.page-faq .faq-figure {
  margin: 26px 0 0;
  border: var(--faq-line);
  background: var(--ink-soft);
}

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

/* ---------- 七个分类横向索引 ---------- */

.page-faq .faq-cats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 16px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  scroll-padding-left: 0;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-cats::-webkit-scrollbar {
  height: 6px;
}

.page-faq .faq-cats::-webkit-scrollbar-track {
  background: rgba(140, 155, 168, .14);
}

.page-faq .faq-cats::-webkit-scrollbar-thumb {
  background: var(--slate-deep);
}

.page-faq .faq-cat {
  flex: 0 0 246px;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 20px 18px 22px;
  border: var(--faq-line);
  background: linear-gradient(180deg, rgba(18, 41, 63, .92) 0%, rgba(11, 26, 43, .92) 100%);
  transition: border-color .24s var(--ease), background .24s var(--ease);
}

.page-faq .faq-cat::before {
  content: "";
  flex: none;
  display: block;
  width: 26px;
  height: 2px;
  margin-bottom: 14px;
  background: var(--gold);
  transition: width .24s var(--ease), background .24s var(--ease);
}

.page-faq .faq-cat:hover {
  border-color: var(--line-strong);
}

.page-faq .faq-cat:hover::before {
  width: 46px;
  background: var(--gold-bright);
}

.page-faq .faq-cat__no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-cat__title {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 21px;
  line-height: 1.35;
  letter-spacing: -.01em;
}

.page-faq .faq-cat__count {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--slate);
}

.page-faq .faq-cat__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(245, 241, 232, .72);
}

/* ---------- 高频问题折叠 ---------- */

.page-faq .faq-qa-list {
  margin-top: 26px;
  border-top: var(--faq-line-strong);
}

.page-faq .faq-qa {
  border-bottom: var(--faq-line);
  background: linear-gradient(90deg, rgba(18, 41, 63, .58) 0%, rgba(18, 41, 63, .18) 100%);
  transition: background .26s var(--ease), box-shadow .26s var(--ease);
}

.page-faq .faq-qa[open] {
  background: linear-gradient(90deg, rgba(18, 41, 63, .92) 0%, rgba(18, 41, 63, .34) 100%);
  box-shadow: inset 3px 0 0 0 var(--gold);
}

.page-faq .faq-qa > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 16px 18px 18px;
  list-style: none;
  cursor: pointer;
}

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

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

.page-faq .faq-qa__no {
  flex: none;
  width: 58px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-faq .faq-qa__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
}

.page-faq .faq-qa__caret {
  flex: none;
  align-self: center;
  width: 9px;
  height: 9px;
  margin-top: 2px;
  border-right: 1.5px solid var(--gold);
  border-bottom: 1.5px solid var(--gold);
  transform: translateY(-2px) rotate(45deg);
  transition: transform .26s var(--ease), border-color .26s var(--ease);
}

.page-faq .faq-qa[open] .faq-qa__caret {
  transform: translateY(1px) rotate(-135deg);
  border-color: var(--gold-bright);
}

.page-faq .faq-qa__body {
  padding: 0 18px 20px 18px;
}

.page-faq .faq-qa__body p {
  margin: 0 0 10px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--faq-body-text);
  max-width: 40em;
}

.page-faq .faq-qa__ref {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--slate);
}

/* ---------- 检索与筛选 ---------- */

.page-faq .faq-search {
  margin-top: 26px;
  display: grid;
  gap: 28px;
}

.page-faq .faq-search__figure {
  margin: 0;
  border: var(--faq-line);
  background: rgba(62, 122, 120, .12);
}

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

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

.page-faq .faq-steps li {
  padding: 18px 0;
  border-top: var(--faq-line);
}

.page-faq .faq-steps li:first-child {
  padding-top: 0;
  border-top: none;
}

.page-faq .faq-steps__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-faq .faq-steps h3 {
  margin: 7px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.4;
}

.page-faq .faq-steps p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--faq-body-text);
  max-width: 36em;
}

.page-faq .faq-search__meta {
  margin-top: 24px;
  padding: 18px 18px 8px;
  border: var(--faq-line);
  border-left: 3px solid var(--jade);
  background: rgba(62, 122, 120, .1);
}

.page-faq .faq-search__meta p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--faq-body-text);
  max-width: 38em;
}

.page-faq .faq-search__meta strong {
  color: var(--gold-bright);
  font-weight: 600;
}

/* ---------- 更新与复核 ---------- */

.page-faq .faq-refresh {
  list-style: none;
  margin: 26px 0 0;
  padding: 1px;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: var(--faq-line);
}

.page-faq .faq-refresh li {
  background: var(--ink);
  padding: 24px 20px;
}

.page-faq .faq-refresh__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 27px;
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--gold-bright);
}

.page-faq .faq-refresh__label {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--slate);
}

.page-faq .faq-refresh p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--faq-body-text);
}

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

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

/* ---------- 人工协助 ---------- */

.page-faq .faq-assist {
  margin-top: 4px;
  padding: 30px 22px;
  border: var(--faq-line-strong);
  background:
    linear-gradient(135deg, rgba(179, 58, 44, .16) 0%, rgba(11, 26, 43, .92) 48%, rgba(18, 41, 63, .92) 100%);
}

.page-faq .faq-assist h2 {
  margin: 10px 0 0;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.28;
  letter-spacing: -.01em;
}

.page-faq .faq-assist__lede {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-body-text);
  max-width: 36em;
}

.page-faq .faq-assist__need {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-assist__need li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(245, 241, 232, .86);
}

.page-faq .faq-assist__need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 10px;
  height: 1px;
  background: var(--gold);
}

.page-faq .faq-assist__note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: var(--faq-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
  max-width: 36em;
}

.page-faq .faq-assist__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-faq .faq-cat {
    flex-basis: 262px;
  }

  .page-faq .faq-qa > summary {
    padding: 20px 22px 20px 26px;
  }

  .page-faq .faq-qa__body {
    padding: 0 22px 22px 98px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-search {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-search__meta {
    margin-top: 28px;
  }

  .page-faq .faq-refresh {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-assist {
    padding: 44px 46px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: end;
    padding-top: 62px;
    padding-bottom: 66px;
  }

  .page-faq .faq-block {
    padding-top: 76px;
  }

  .page-faq .faq-cat {
    flex-basis: 280px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-cat::before,
  .page-faq .faq-qa,
  .page-faq .faq-qa__caret {
    transition: none;
  }
}
<<<END>>>