.page-faq {
  --faq-rail-w: 232px;
  --faq-hairline: rgba(217, 165, 68, .34);
  --faq-hairline-soft: rgba(217, 165, 68, .18);
}

/* ---------- 首屏声明 ---------- */
.page-faq .faq-intro {
  padding-top: 22px;
  padding-bottom: 6px;
}

.page-faq .faq-head {
  display: grid;
  gap: 16px;
  padding: 26px 0 30px;
  max-width: 900px;
}

.page-faq .faq-head__index {
  margin: 0;
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: .2em;
  color: var(--gold-deep);
}

.page-faq .faq-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(34px, 5.4vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
  overflow-wrap: break-word;
}

.page-faq .faq-head__lede {
  margin: 0;
  max-width: 60ch;
  font-size: var(--step-18);
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-head__lede a {
  color: var(--oasis);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-head__meta {
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--r-pill);
  background: var(--sand-soft);
  border: 1px solid var(--faq-hairline);
  font-size: var(--step-14);
  color: var(--mist);
  justify-self: start;
}

.page-faq .faq-head__meta-num {
  font-family: var(--font-data);
  font-size: var(--step-22);
  color: var(--gold-deep);
  letter-spacing: .02em;
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-top: 12px;
  padding-bottom: 64px;
}

/* ---------- 左栏分组索引 ---------- */
.page-faq .faq-rail {
  min-width: 0;
}

.page-faq .faq-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: .18em;
  color: var(--gold-deep);
}

.page-faq .faq-rail__list {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 9px 16px;
  border-radius: var(--r-pill);
  background: var(--warm-white);
  border: 1px solid var(--faq-hairline);
  color: var(--ink);
  text-decoration: none;
  font-size: var(--step-14);
  line-height: 1.3;
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-chip:hover,
.page-faq .faq-chip:focus-visible {
  background: var(--sand-soft);
  border-color: var(--gold);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(20, 22, 26, .08);
}

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

.page-faq .faq-chip__num {
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: .08em;
  color: var(--gold-deep);
}

.page-faq .faq-chip__name {
  font-weight: 500;
}

.page-faq .faq-chip__count {
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--mist);
  background: var(--sand);
  border-radius: var(--r-pill);
  padding: 2px 8px;
}

.page-faq .faq-rail__note {
  margin: 16px 0 0;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: var(--sand-soft);
  border-left: 3px solid var(--gold);
  font-size: var(--step-12);
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: break-word;
}

/* ---------- 右栏问答流 ---------- */
.page-faq .faq-stream {
  min-width: 0;
}

.page-faq .faq-group {
  padding-bottom: 44px;
  scroll-margin-top: calc(var(--header-h, 78px) + 26px);
}

.page-faq .faq-group:last-child {
  padding-bottom: 18px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--faq-hairline);
}

.page-faq .faq-group__num {
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: .16em;
  color: var(--gold-deep);
  flex: none;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 2.4vw, 32px);
  letter-spacing: -0.01em;
  color: var(--ink);
  overflow-wrap: break-word;
}

.page-faq .faq-group:target .faq-group__title {
  color: var(--oasis);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 22px 0 6px;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--sand-soft);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-lg);
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-faq .faq-figure--sync img {
  aspect-ratio: 10 / 7;
}

.page-faq .faq-figure__cap {
  display: block;
  padding: 10px 14px 0;
  font-size: var(--step-12);
  line-height: 1.6;
  color: var(--mist);
  letter-spacing: .02em;
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-item {
  border-bottom: 1px solid var(--faq-hairline-soft);
}

.page-faq .qa-item > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 4px;
  font-size: var(--step-18);
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color .2s var(--ease);
}

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

.page-faq .qa-item > summary::marker {
  content: "";
}

.page-faq .qa-item > summary:hover .qa-item__text,
.page-faq .qa-item[open] > summary .qa-item__text {
  color: var(--oasis);
}

.page-faq .qa-item > summary:focus-visible {
  outline: 2px solid var(--oasis);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

.page-faq .qa-item__idx {
  flex: none;
  min-width: 32px;
  padding-top: 4px;
  font-family: var(--font-data);
  font-size: var(--step-12);
  letter-spacing: .06em;
  color: var(--gold-deep);
}

.page-faq .qa-item__text {
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
  transition: color .2s var(--ease);
}

.page-faq .qa-item__arrow {
  flex: none;
  width: 15px;
  height: 15px;
  margin-top: 8px;
  border-right: 2px solid var(--gold-deep);
  border-bottom: 2px solid var(--gold-deep);
  border-radius: 0 0 8px 0;
  transform: rotate(45deg);
  transition: transform .32s var(--ease), border-color .32s var(--ease);
}

.page-faq .qa-item[open] .qa-item__arrow {
  transform: rotate(-135deg);
  border-color: var(--ochre);
}

.page-faq .qa-item__a {
  background: var(--sand-soft);
  border-radius: var(--r-md);
  padding: 18px 20px 20px;
  margin: 0 0 18px;
  font-size: var(--step-16);
  line-height: 1.82;
  color: var(--ink);
  animation: faq-open .32s var(--ease);
}

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

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

.page-faq .qa-item__a a {
  color: var(--oasis);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 步骤与关键数字 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 10px 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-faq .faq-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 14px;
  border-radius: var(--r-sm);
  background: var(--warm-white);
  border: 1px solid var(--faq-hairline-soft);
}

.page-faq .faq-steps__num {
  flex: none;
  min-width: 26px;
  font-family: var(--font-data);
  font-size: var(--step-14);
  letter-spacing: .06em;
  color: var(--gold-deep);
  line-height: 1.6;
}

.page-faq .faq-key {
  font-family: var(--font-data);
  font-weight: 600;
  color: var(--ochre);
  border-bottom: 1px solid rgba(168, 69, 46, .5);
  padding-bottom: 1px;
  white-space: nowrap;
}

/* ---------- 收尾一行 ---------- */
.page-faq .faq-tail {
  margin: 8px 0 0;
  padding: 16px 18px;
  border-radius: var(--r-md);
  background: var(--warm-white);
  border: 1px dashed var(--faq-hairline);
  font-size: var(--step-14);
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-tail a {
  color: var(--oasis);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 719px) {
  .page-faq .faq-head {
    padding: 18px 0 22px;
  }

  .page-faq .faq-rail__list {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
  }

  .page-faq .faq-chip {
    flex: none;
  }

  .page-faq .faq-chip__count {
    margin-left: 4px;
  }

  .page-faq .qa-item > summary {
    font-size: var(--step-16);
    gap: 10px;
    padding: 17px 2px;
  }

  .page-faq .qa-item__idx {
    min-width: 28px;
  }

  .page-faq .qa-item__a {
    padding: 15px 15px 17px;
  }

  .page-faq .faq-steps li {
    padding: 9px 11px;
  }
}

/* ---------- 桌面：左栏定住 ---------- */
@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    gap: 56px;
    padding-top: 20px;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h, 78px) + 22px);
    align-self: start;
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-faq .faq-chip {
    width: 100%;
  }

  .page-faq .faq-group__head {
    padding-bottom: 18px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .qa-item__a {
    animation: none;
  }

  .page-faq .faq-chip,
  .page-faq .qa-item__arrow,
  .page-faq .qa-item__text {
    transition: none;
  }

  .page-faq .faq-chip:hover,
  .page-faq .faq-chip:focus-visible {
    transform: none;
  }
}
<<<END>>>