.page-faq {
  --faq-hair: 2px solid var(--ink);
  background: var(--paper);
  color: var(--graphite);
}

.page-faq .crumbs {
  padding: 20px 0 4px;
}

/* 首屏导览牌 */
.page-faq .faq-hero {
  background: var(--ink);
  color: var(--paper);
  border-bottom: 6px solid var(--clay);
  padding: 28px 0 44px;
  margin-top: 16px;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: 28px;
}

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

.page-faq .faq-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 2px;
  border-top: 1px solid rgba(220, 233, 228, 0.22);
  color: var(--screen);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.4;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-faq .faq-index__list li:last-child a {
  border-bottom: 1px solid rgba(220, 233, 228, 0.22);
}

.page-faq .faq-index__code {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  flex: none;
}

.page-faq .faq-index__list a:hover {
  color: var(--amber);
  border-top-color: var(--amber);
}

.page-faq .faq-index__list a:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
  color: var(--amber);
}

.page-faq .faq-hero__h1 {
  margin: 10px 0 16px;
  font-weight: 900;
  letter-spacing: -0.01em;
  line-height: 1.02;
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 34em;
  color: var(--screen);
  font-size: 16px;
  line-height: 1.8;
}

.page-faq .faq-hero__meta {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-faq .faq-hero__meta .num {
  color: var(--amber);
  font-size: 16px;
}

/* 问答主体 */
.page-faq .faq-body {
  padding: 8px 0 0;
}

.page-faq .faq-group {
  padding: 32px 0 36px;
  border-top: 3px solid var(--ink);
  scroll-margin-top: calc(var(--topbar-h) + 20px);
}

.page-faq .faq-group:target {
  border-top-color: var(--clay);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
}

.page-faq .faq-group__code {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  padding: 4px 9px;
  background: var(--ink);
  color: var(--amber);
  flex: none;
}

.page-faq .faq-group__title {
  margin: 0;
  font-weight: 900;
}

.page-faq .faq-item {
  border-top: var(--faq-hair);
}

.page-faq .faq-list .faq-item:last-child {
  border-bottom: var(--faq-hair);
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.55;
  color: var(--ink);
}

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

.page-faq .faq-q::after {
  content: "▸";
  flex: none;
  color: var(--clay);
  font-size: 14px;
  line-height: 1.9;
  transition: transform 0.2s ease, color 0.2s ease;
}

.page-faq .faq-q:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(90deg);
  color: var(--clay-dark);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--clay-dark);
}

.page-faq .faq-a {
  padding: 0 0 20px;
  border-top: 1px dashed var(--muted);
  margin-top: -2px;
  padding-top: 14px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-faq .faq-a a {
  color: var(--clay-dark);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-a a:hover {
  color: var(--ink);
}

.page-faq .faq-a a:focus-visible {
  outline: 3px solid var(--amber);
  outline-offset: 2px;
}

.page-faq .faq-a .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  background: var(--amber);
  color: var(--graphite);
  padding: 0 5px;
  font-weight: 700;
}

/* 图片停顿 */
.page-faq .faq-figure {
  margin: 0 0 36px;
  border: var(--faq-hair);
  background: var(--screen);
  box-shadow: var(--shadow-soft);
}

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

.page-faq .faq-figure__cap {
  border-top: var(--faq-hair);
  padding: 10px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--seat);
}

.page-faq .faq-split {
  display: grid;
  gap: 24px;
  min-width: 0;
}

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

.page-faq .faq-figure--side {
  margin: 0;
  align-self: start;
}

/* 末尾赭红窄条 */
.page-faq .faq-cta {
  background: var(--clay);
  color: var(--paper);
  border-top: 6px solid var(--ink);
  padding: 32px 0 40px;
}

.page-faq .faq-cta__inner {
  display: grid;
  gap: 20px;
}

.page-faq .faq-cta__copy h2 {
  margin: 0 0 8px;
  font-weight: 900;
  color: var(--paper);
}

.page-faq .faq-cta__copy p {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--paper);
}

.page-faq .faq-cta__copy .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--amber);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 36px 0 56px;
  }

  .page-faq .faq-hero__inner {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }

  .page-faq .faq-group {
    padding: 40px 0 44px;
  }

  .page-faq .faq-q {
    font-size: 18px;
  }

  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 40px;
    align-items: start;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1080px) {
  .page-faq .faq-split {
    grid-template-columns: minmax(0, 1fr) 340px;
  }

  .page-faq .faq-a p {
    font-size: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q::after,
  .page-faq .faq-index__list a {
    transition: none;
  }
}
<<<END>>>