.page-faq {
  --faq-rule: #D8CCB8;
  --faq-ink-soft: rgba(36, 30, 26, .74);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  background: var(--paper-cream);
  color: var(--black-brown);
  padding: calc(var(--header-h) + clamp(1.75rem, 5vw, 3.5rem)) 0 clamp(2rem, 4vw, 3.25rem);
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  margin: 0 0 clamp(1.5rem, 3vw, 2.5rem);
  padding: 0;
  list-style: none;
  font-size: var(--step-index);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green-deep);
}

.page-faq .breadcrumb-list li + li::before {
  content: '/';
  margin-right: .4rem;
  font-family: var(--font-mono);
  color: var(--rust-orange);
}

.page-faq .breadcrumb-list a {
  color: inherit;
  text-decoration: none;
}

.page-faq .breadcrumb-list a:hover,
.page-faq .breadcrumb-list a:focus-visible {
  color: var(--rust-orange);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-eyebrow {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: var(--step-index);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--rust-orange);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 5.2vw, 3.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--black-brown);
}

.page-faq .faq-hero-side .lede {
  margin: 0 0 1.5rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.25rem;
  margin: 0;
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--faq-rule);
  list-style: none;
}

.page-faq .faq-hero-facts li {
  display: flex;
  flex-direction: column;
  gap: .15rem;
  min-width: 0;
}

.page-faq .faq-fact-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.375rem;
  font-weight: 600;
  letter-spacing: -.01em;
  color: var(--green-deep);
}

.page-faq .faq-fact-label {
  font-size: var(--step-note);
  line-height: 1.4;
  color: var(--faq-ink-soft);
}

/* ---------- 阅读层外壳 ---------- */
.page-faq .faq-body {
  background: var(--paper-cream);
  color: var(--black-brown);
  padding: clamp(2rem, 4vw, 3rem) 0 clamp(3rem, 6vw, 5rem);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 3vw, 2.75rem);
  align-items: start;
}

/* ---------- 左列类别索引 ---------- */
.page-faq .faq-rail-inner {
  background: var(--ink-deep);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
  padding: 1.1rem 1rem 1.25rem;
}

.page-faq .faq-rail-title {
  margin: 0 0 .75rem;
  font-family: var(--font-mono);
  font-size: var(--step-index);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist-gray);
}

.page-faq .faq-toc {
  margin: 0 0 1.5rem;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc li + li {
  border-top: 1px solid var(--line-hair);
}

.page-faq .faq-toc a {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: .5rem;
  padding: .55rem 0;
  color: var(--paper-cream);
  font-size: .875rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-toc a:hover,
.page-faq .faq-toc a:focus-visible {
  color: var(--signal-green);
}

.page-faq .faq-toc-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--step-index);
  letter-spacing: .06em;
  color: var(--rust-orange);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-toc a:hover .faq-toc-num,
.page-faq .faq-toc a:focus-visible .faq-toc-num {
  color: var(--signal-green);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

/* ---------- 右列问答 ---------- */
.page-faq .faq-questions {
  min-width: 0;
  display: grid;
  gap: clamp(2.25rem, 4vw, 3.25rem);
}

.page-faq .faq-cat {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}

.page-faq .faq-cat-head {
  display: flex;
  align-items: baseline;
  gap: .75rem;
  margin-bottom: 1.25rem;
  padding-bottom: .7rem;
  border-bottom: 2px solid var(--black-brown);
}

.page-faq .faq-cat-num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1rem;
  letter-spacing: .08em;
  color: var(--rust-orange);
  transition: color var(--dur) var(--ease);
}

.page-faq .faq-cat.is-active .faq-cat-num {
  color: var(--green-deep);
}

.page-faq .faq-cat-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-section);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--black-brown);
}

.page-faq .faq-figure {
  margin: 0 0 1.5rem;
}

.page-faq .faq-figure--wide {
  margin-top: 1.5rem;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  object-fit: cover;
  background: var(--ink-panel);
}

.page-faq .faq-figure figcaption {
  margin-top: .55rem;
  font-size: var(--step-note);
  line-height: 1.6;
  color: var(--faq-ink-soft);
}

/* 条目 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--faq-rule);
}

.page-faq .faq-item[hidden],
.page-faq .faq-item[aria-hidden="true"],
.page-faq .faq-item.is-hidden {
  display: none;
}

.page-faq .faq-q {
  display: flex;
  align-items: flex-start;
  gap: .875rem;
  margin: 0;
  padding: 1.05rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--black-brown);
  transition: color var(--dur) var(--ease);
}

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

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

.page-faq .faq-q-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-mark {
  position: relative;
  flex: none;
  width: .875rem;
  height: .875rem;
  margin-top: .4rem;
}

.page-faq .faq-mark::before,
.page-faq .faq-mark::after {
  content: '';
  position: absolute;
  background: var(--rust-orange);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-mark::before {
  left: 0;
  top: 50%;
  width: 100%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-mark::after {
  top: 0;
  left: 50%;
  width: 2px;
  height: 100%;
  transform: translateX(-50%);
}

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

.page-faq .faq-item[open] .faq-mark::before {
  background: var(--green-deep);
}

.page-faq .faq-item[open] .faq-mark::after {
  opacity: 0;
  transform: translateX(-50%) scaleY(0);
}

.page-faq .faq-a {
  max-width: 66ch;
  padding: 0 0 1.4rem;
  font-size: var(--step-body);
  line-height: 1.75;
  color: var(--black-brown);
}

.page-faq .faq-item[open] .faq-a {
  animation: faq-reveal 220ms var(--ease);
}

.page-faq .faq-a > p {
  margin: 0;
}

.page-faq .faq-a > p + p {
  margin-top: .8rem;
}

.page-faq .faq-a ul {
  margin: .8rem 0 0;
  padding-left: 1.1rem;
}

.page-faq .faq-a li + li {
  margin-top: .45rem;
}

.page-faq .faq-a a {
  color: var(--green-deep);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-a a:hover,
.page-faq .faq-a a:focus-visible {
  color: var(--rust-orange);
}

@keyframes faq-reveal {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* 状态标签与字段名 */
.page-faq .faq-status {
  display: inline-block;
  padding: .1rem .45rem;
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .04em;
  white-space: nowrap;
  vertical-align: baseline;
}

.page-faq .faq-status--done {
  background: var(--green-deep);
  color: var(--paper-cream);
}

.page-faq .faq-status--pending {
  background: var(--amber-node);
  color: var(--ink-deep);
}

.page-faq .faq-status--review {
  background: var(--paper-dim);
  color: var(--black-brown);
}

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

.page-faq .faq-status-list li + li {
  margin-top: .6rem;
}

.page-faq .faq-status-list .faq-status {
  margin-right: .5rem;
}

.page-faq .faq-fields {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem .5rem;
  margin: .85rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fields li {
  padding: .15rem .5rem;
  border: 1px solid var(--faq-rule);
  border-radius: var(--radius);
  background: var(--paper-dim);
  font-family: var(--font-mono);
  font-size: var(--step-note);
  letter-spacing: .02em;
  color: var(--black-brown);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-tail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: 1.35rem 1.25rem;
  background: var(--ink-deep);
  border: 1px solid var(--line-hair);
  border-radius: var(--radius);
}

.page-faq .faq-tail p {
  margin: 0;
  max-width: 58ch;
  font-size: .9375rem;
  line-height: 1.65;
  color: var(--paper-cream);
}

.page-faq .faq-tail a {
  color: var(--signal-green);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.page-faq .faq-tail .btn {
  flex: none;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: clamp(2rem, 4vw, 3rem);
    align-items: end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: calc(var(--header-h) + 1.25rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .faq-a {
    animation: none;
  }

  .page-faq .faq-mark::before,
  .page-faq .faq-mark::after,
  .page-faq .faq-q,
  .page-faq .faq-toc a,
  .page-faq .faq-cat-num {
    transition: none;
  }
}