.page-faq {
  --faq-line: rgba(111, 127, 122, .26);
  --faq-line-soft: rgba(169, 199, 194, .22);
  background: var(--paper);
  color: var(--body-ink);
  font-family: var(--font-body);
  padding-bottom: calc(var(--baseline) * 9);
}

.page-faq .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-500);
  margin: 0;
}

.page-faq .mono { font-family: var(--font-mono); }

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: calc(var(--baseline) * 4) 0 calc(var(--baseline) * 7);
  background: linear-gradient(180deg, var(--paper-soft) 0%, var(--paper) 82%);
  border-bottom: 1px solid var(--hairline-gold);
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: calc(var(--baseline) * 5);
  align-items: end;
}

.page-faq .breadcrumbs { margin-bottom: calc(var(--baseline) * 3); }

.page-faq .title-xl {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(29px, 5.1vw, 52px);
  line-height: 1.16;
  letter-spacing: .012em;
  color: var(--ink-900);
  margin: calc(var(--baseline) * 2) 0 calc(var(--baseline) * 2.5);
  max-width: 20ch;
}

.page-faq .lede {
  font-size: 16px;
  line-height: 1.9;
  color: var(--body-ink);
  max-width: 58ch;
  margin: 0;
}

.page-faq .faq-search {
  margin-top: calc(var(--baseline) * 4);
  padding: calc(var(--baseline) * 2.5) calc(var(--baseline) * 2.5);
  border: 1px solid var(--hairline-strong);
  background: var(--paper-soft);
  box-shadow: inset 3px 0 0 var(--gold-500);
  display: grid;
  gap: calc(var(--baseline) * 1.5);
  max-width: 560px;
}

.page-faq .faq-search__bar {
  margin: 0;
  font-size: 14px;
  color: var(--ink-900);
  line-height: 1.6;
}

.page-faq .faq-search__bar .mono {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  border: 1px solid var(--gold-500);
  color: var(--ink-700);
  font-size: 12px;
  letter-spacing: .08em;
}

.page-faq .faq-search__tip {
  margin: 0;
  font-size: 13px;
  color: var(--mist);
  line-height: 1.7;
}

.page-faq .faq-search p:last-child { margin: 0; }

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--hairline-gold);
  background: var(--ink-900);
  padding: 10px;
  position: relative;
}

.page-faq .faq-hero__figure .img-frame { display: block; }

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

.page-faq .faq-hero__figure .img-cap {
  display: block;
  padding: 10px 2px 2px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--on-dark-soft);
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-cats {
  background: var(--ink-900);
  color: var(--on-dark);
  padding: calc(var(--baseline) * 6) 0;
  border-bottom: 1px solid rgba(201, 164, 92, .28);
}

.page-faq .faq-cats__head { margin-bottom: calc(var(--baseline) * 4); }

.page-faq .faq-cats .section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-500);
  margin: 0 0 calc(var(--baseline) * 1.5);
}

.page-faq .faq-cats__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(23px, 3.4vw, 32px);
  line-height: 1.3;
  color: var(--paper);
  margin: 0 0 calc(var(--baseline) * 1.5);
  letter-spacing: .02em;
}

.page-faq .faq-cats__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--on-dark-soft);
  max-width: 52ch;
}

.page-faq .faq-cats__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(169, 199, 194, .18);
  border: 1px solid rgba(169, 199, 194, .18);
}

.page-faq .faq-cat a {
  display: grid;
  gap: 6px;
  padding: calc(var(--baseline) * 2.5) calc(var(--baseline) * 2);
  background: var(--ink-900);
  text-decoration: none;
  color: var(--on-dark);
  transition: background .25s var(--ease), border-color .25s var(--ease);
  border-left: 2px solid transparent;
  height: 100%;
}

.page-faq .faq-cat a:hover,
.page-faq .faq-cat a:focus-visible {
  background: var(--ink-700);
  border-left-color: var(--gold-500);
  outline: none;
}

.page-faq .faq-cat__no {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold-500);
}

.page-faq .faq-cat__name {
  font-family: var(--font-display);
  font-size: 20px;
  color: var(--paper);
  letter-spacing: .06em;
}

.page-faq .faq-cat__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-soft);
}

.page-faq .faq-cat__count {
  font-size: 12px;
  color: var(--silver);
  letter-spacing: .08em;
  margin-top: calc(var(--baseline) * 1);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body { padding-top: calc(var(--baseline) * 7); }

.page-faq .faq-body__grid {
  display: grid;
  gap: calc(var(--baseline) * 5);
  min-width: 0;
}

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

.page-faq .toc {
  border-top: 2px solid var(--ink-900);
  padding-top: calc(var(--baseline) * 2);
}

.page-faq .toc-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--mist);
  margin: 0 0 calc(var(--baseline) * 1.5);
}

.page-faq .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .toc-link {
  display: inline-block;
  padding: 7px 12px;
  font-size: 13px;
  color: var(--ink-700);
  text-decoration: none;
  border: 1px solid var(--faq-line);
  background: transparent;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .toc-link:hover,
.page-faq .toc-link:focus-visible {
  border-color: var(--gold-500);
  color: var(--ink-900);
  background: var(--gold-200);
  outline: none;
}

.page-faq .toc-link[aria-current="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-faq .faq-aside__card {
  margin-top: calc(var(--baseline) * 3);
  padding: calc(var(--baseline) * 2.5) calc(var(--baseline) * 2);
  background: var(--ink-700);
  color: var(--on-dark);
  border-left: 2px solid var(--gold-500);
}

.page-faq .faq-aside__card-label {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold-500);
}

.page-faq .faq-aside__card-value {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  letter-spacing: .04em;
  color: var(--paper);
}

.page-faq .faq-aside__card-note {
  margin: 0 0 calc(var(--baseline) * 1.5);
  font-size: 13px;
  line-height: 1.75;
  color: var(--on-dark-soft);
}

.page-faq .faq-aside__card .link-underline { color: var(--gold-200); font-size: 13px; }

/* ---------- 问答分组 ---------- */
.page-faq .faq-main { min-width: 0; }

.page-faq .faq-group {
  margin-bottom: calc(var(--baseline) * 7);
  scroll-margin-top: 90px;
}

.page-faq .faq-group--last { margin-bottom: 0; }

.page-faq .faq-group__head {
  border-top: 1px solid var(--ink-900);
  padding-top: calc(var(--baseline) * 2);
  margin-bottom: calc(var(--baseline) * 3);
}

.page-faq .faq-group__head .section-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold-500);
  margin: 0 0 calc(var(--baseline) * 1.5);
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 29px);
  line-height: 1.36;
  letter-spacing: .02em;
  color: var(--ink-900);
  margin: 0 0 calc(var(--baseline) * 1.5);
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 56ch;
}

/* ---------- 手风琴 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--faq-line);
  transition: background .25s var(--ease);
}

.page-faq .qa[open] {
  background: linear-gradient(90deg, rgba(201, 164, 92, .1), rgba(201, 164, 92, 0) 68%);
}

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: start;
  padding: calc(var(--baseline) * 2.5) 8px calc(var(--baseline) * 2.5) 2px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-faq .qa__no {
  font-size: 12px;
  color: var(--mist);
  letter-spacing: .08em;
  padding-top: 4px;
}

.page-faq .qa__q {
  font-family: var(--font-display);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-900);
  letter-spacing: .015em;
  transition: color .2s var(--ease);
}

.page-faq .qa__summary:hover .qa__q { color: var(--ink-700); }

.page-faq .qa__mark {
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold-500);
  padding-top: 4px;
  transition: transform .25s var(--ease), color .2s var(--ease);
}

.page-faq .qa__mark::before { content: "+"; }
.page-faq .qa[open] .qa__mark::before { content: "–"; }
.page-faq .qa[open] .qa__mark { color: var(--ink-700); }

.page-faq .qa__body {
  padding: 0 12px calc(var(--baseline) * 3) 2px;
  max-width: 66ch;
  animation: faq-fade .28s var(--ease) both;
}

.page-faq .qa__body p {
  margin: 0 0 calc(var(--baseline) * 1.5);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--body-ink);
}

.page-faq .qa__body p:last-child { margin-bottom: 0; }

.page-faq .qa__body .tag {
  margin-right: 6px;
  vertical-align: 1px;
}

@keyframes faq-fade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 客服通道 ---------- */
.page-faq .faq-service {
  margin: calc(var(--baseline) * 2) 0 calc(var(--baseline) * 7);
  padding: calc(var(--baseline) * 5) calc(var(--baseline) * 2.5);
  background: var(--ink-900);
  color: var(--on-dark);
  border-top: 1px solid rgba(201, 164, 92, .34);
  border-bottom: 1px solid rgba(201, 164, 92, .34);
  scroll-margin-top: 90px;
}

.page-faq .faq-service__grid {
  display: grid;
  gap: calc(var(--baseline) * 4);
  align-items: start;
}

.page-faq .faq-service__kicker {
  margin: 0 0 calc(var(--baseline) * 1.5);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold-500);
}

.page-faq .faq-service__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.36;
  letter-spacing: .02em;
  color: var(--paper);
  margin: 0 0 calc(var(--baseline) * 2);
}

.page-faq .faq-service__lede {
  margin: 0 0 calc(var(--baseline) * 3);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--on-dark);
  max-width: 52ch;
}

.page-faq .faq-service__list {
  margin: 0 0 calc(var(--baseline) * 3);
  padding: 0;
  border-top: 1px solid rgba(169, 199, 194, .24);
}

.page-faq .faq-service__item {
  display: grid;
  gap: 4px;
  padding: calc(var(--baseline) * 1.75) 0;
  border-bottom: 1px solid rgba(169, 199, 194, .18);
}

.page-faq .faq-service__item dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--silver);
}

.page-faq .faq-service__item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-faq .faq-service__item dd.mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--gold-200);
}

.page-faq .faq-service__note {
  margin: 0 0 calc(var(--baseline) * 2.5);
  font-size: 13px;
  line-height: 1.8;
  color: var(--on-dark-soft);
  max-width: 54ch;
}

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

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

.page-faq .faq-service__figure .img-frame {
  display: block;
  border: 1px solid rgba(201, 164, 92, .42);
  background: var(--ink-950);
  padding: 8px;
}

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

.page-faq .faq-service__figure .img-cap {
  display: block;
  padding: 10px 2px 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--on-dark-soft);
}

/* ---------- 仍未解决 ---------- */
.page-faq .faq-unresolved {
  padding: calc(var(--baseline) * 3) calc(var(--baseline) * 2.5);
  border: 1px solid var(--faq-line);
  background: var(--paper-soft);
  border-left: 3px solid var(--cinnabar);
}

.page-faq .faq-unresolved > p {
  margin: 0 0 calc(var(--baseline) * 2.5);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--body-ink);
  max-width: 60ch;
}

.page-faq .faq-unresolved__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: calc(var(--baseline) * 1.5);
}

.page-faq .faq-unresolved__links .link-underline {
  font-size: 14px;
  color: var(--ink-700);
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-cats__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  .page-faq .toc-list { gap: 10px; }

  .page-faq .qa__summary { gap: 18px; }
}

@media (min-width: 920px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: calc(var(--baseline) * 7);
  }

  .page-faq .faq-cats__grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

  .page-faq .faq-service {
    padding: calc(var(--baseline) * 6) calc(var(--baseline) * 4);
  }

  .page-faq .faq-service__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: calc(var(--baseline) * 6);
  }

  .page-faq .qa__body { padding-left: 42px; }
  .page-faq .qa__q { font-size: 17px; }
}

@media (min-width: 1024px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: calc(var(--baseline) * 8);
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .toc-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-faq .toc-link {
    display: block;
    border: 0;
    border-bottom: 1px solid var(--faq-line-soft);
    padding: 9px 2px;
    font-size: 13.5px;
    background: transparent;
  }

  .page-faq .toc-link:hover,
  .page-faq .toc-link:focus-visible {
    padding-left: 10px;
    background: transparent;
    color: var(--ink-900);
    border-bottom-color: var(--gold-500);
  }

  .page-faq .toc-link[aria-current="true"] {
    background: transparent;
    color: var(--ink-900);
    border-bottom-color: var(--gold-500);
    box-shadow: inset 3px 0 0 var(--gold-500);
    padding-left: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__body { animation: none; }
  .page-faq .qa__mark,
  .page-faq .qa__q,
  .page-faq .toc-link,
  .page-faq .faq-cat a { transition: none; }
}
<<<END>>>