.page-faq {
  --faq-cut: 14px;
  --faq-ink: var(--ink-900);
  background: var(--paper);
  color: var(--graphite);
  padding-bottom: 72px;
}

.page-faq .breadcrumb {
  margin: 34px 0 26px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-bottom: 40px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-faq .faq-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--index-gray);
}

.page-faq .faq-hero__eyebrow::before {
  content: "";
  width: 48px;
  height: 1px;
  background: var(--amber-500);
}

.page-faq .faq-hero__title {
  margin: 18px 0 20px;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(32px, 8vw, 60px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-faq .faq-hero__title strong {
  font-weight: 700;
}

.page-faq .faq-hero .lede {
  max-width: 30em;
  color: var(--ink-700);
}

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

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--paper-2);
  aspect-ratio: 11 / 7;
  overflow: hidden;
}

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

/* ---------- 索引 + 问答 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 28px;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--index-gray);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__card {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  min-width: 232px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--paper-2);
  color: var(--graphite);
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - var(--faq-cut)) 0, 100% var(--faq-cut), 100% 100%, 0 100%);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .faq-index__card:hover,
.page-faq .faq-index__card:focus-visible {
  border-color: var(--celadon-500);
  background: var(--celadon-100);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber-500);
}

.page-faq .faq-index__label {
  font-size: 15px;
  font-weight: 700;
}

.page-faq .faq-index__count {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  opacity: 0.65;
}

.page-faq .faq-index__card.is-current,
.page-faq .faq-layout:has(#g-search:target) .faq-index__card[href="#g-search"],
.page-faq .faq-layout:has(#g-compare:target) .faq-index__card[href="#g-compare"],
.page-faq .faq-layout:has(#g-download:target) .faq-index__card[href="#g-download"],
.page-faq .faq-layout:has(#g-contact:target) .faq-index__card[href="#g-contact"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--topbar-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  position: relative;
  margin-top: 56px;
  padding-top: 44px;
}

.page-faq .faq-group + .faq-group::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 132px;
  height: 10px;
  background: repeating-linear-gradient(118deg, var(--line) 0 2px, transparent 2px 9px);
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(22px, 4vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-faq .faq-group__note {
  margin: 8px 0 20px;
  max-width: 30em;
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.7;
  color: var(--index-gray);
}

.page-faq .faq-figure {
  margin: 0 0 24px;
  max-width: 520px;
  border: 1px solid var(--line);
  background: var(--paper-2);
}

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

/* ---------- 折叠问答 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--line);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 20px 2px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink-900);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-q::marker {
  content: "";
}

.page-faq .faq-q:hover,
.page-faq .faq-q:focus-visible {
  color: var(--celadon-ink);
}

.page-faq .faq-item[open] > .faq-q {
  color: var(--celadon-ink);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--celadon-500);
  outline-offset: 4px;
}

.page-faq .faq-q__no {
  flex: none;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--amber-500);
}

.page-faq .faq-q__text {
  flex: 1 1 auto;
}

.page-faq .faq-q__mark {
  flex: none;
  position: relative;
  top: -2px;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid var(--celadon-500);
  transition: transform var(--dur) var(--ease);
}

.page-faq .faq-item[open] .faq-q__mark {
  transform: rotate(180deg);
}

.page-faq .faq-a {
  padding: 0 0 22px 44px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--graphite);
}

.page-faq .faq-a > p {
  margin: 0 0 10px;
  max-width: 32em;
}

.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  max-width: 32em;
  list-style: none;
}

.page-faq .faq-steps > li {
  counter-increment: faqstep;
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  align-items: start;
  font-size: 0.9375rem;
}

.page-faq .faq-steps > li::before {
  content: counter(faqstep, decimal-leading-zero);
  padding: 2px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.5;
  letter-spacing: 0.08em;
  text-align: center;
  color: var(--celadon-ink);
  background: var(--celadon-100);
}

.page-faq .faq-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  text-decoration: none;
}

.page-faq .faq-link__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--celadon-ink);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-faq .faq-link:hover .faq-link__hint,
.page-faq .faq-link:focus-visible .faq-link__hint {
  opacity: 1;
  transform: none;
}

/* ---------- 收束 ---------- */
.page-faq .faq-tail {
  margin-top: 64px;
}

.page-faq .faq-tail__inner {
  display: grid;
  justify-items: start;
  gap: 16px;
  padding: 36px 26px;
  background: var(--ink-900);
  color: var(--paper);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-faq .faq-tail__title {
  margin: 0;
  font-size: clamp(20px, 3.6vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-faq .faq-tail__text {
  margin: 0;
  max-width: 30em;
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
  color: rgba(246, 244, 239, 0.78);
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .page-faq .faq-link__hint {
    opacity: 1;
    transform: none;
  }

  .page-faq .faq-a {
    padding-left: 0;
  }

  .page-faq .faq-tail__inner {
    padding: 30px 20px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 48px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 8px;
    overflow: visible;
    padding: 0;
  }

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

  .page-faq .faq-a {
    padding-left: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__card,
  .page-faq .faq-q,
  .page-faq .faq-q__mark,
  .page-faq .faq-link__hint {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>