.page-faq {
  --faq-index-w: 268px;
  background: var(--dusk);
  color: var(--paper);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-faq .faq-crumb-row {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-faq .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--slate-blue);
}

.page-faq .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-faq .breadcrumb a {
  color: var(--slate-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--barley);
  border-bottom-color: var(--barley);
}

.page-faq .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

/* ---------- 首屏拼贴 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 26px;
  padding-top: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(30px, 5vw, 56px);
}

.page-faq .faq-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--lake);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: .06em;
  color: var(--paper-bright);
}

.page-faq .faq-hero .lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: var(--wash);
}

.page-faq .faq-hero-side {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 14px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.page-faq .faq-stat-num {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper-bright);
}

.page-faq .faq-stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .04em;
  color: var(--slate-blue);
}

.page-faq .faq-stat--barley {
  background: var(--barley);
  border-color: transparent;
}

.page-faq .faq-stat--barley .faq-stat-num {
  color: var(--ink);
}

.page-faq .faq-stat--barley .faq-stat-label {
  color: rgba(14, 16, 20, .72);
}

.page-faq .faq-stat--lake {
  background: var(--lake);
  border-color: transparent;
}

.page-faq .faq-stat--lake .faq-stat-num {
  color: var(--ink);
}

.page-faq .faq-stat--lake .faq-stat-label {
  color: rgba(14, 16, 20, .74);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  gap: 34px;
  align-items: start;
}

.page-faq .faq-index {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 12px;
  color: var(--barley);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
}

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

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

.page-faq .faq-index-list a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 11px 6px 11px 10px;
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  transition: background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-index-list a:hover,
.page-faq .faq-index-list a:focus-visible {
  background: rgba(242, 232, 213, .05);
  border-left-color: var(--barley);
  color: var(--paper-bright);
}

.page-faq .faq-idx-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--lake);
}

.page-faq .faq-idx-name {
  font-family: var(--font-display);
  letter-spacing: .04em;
}

.page-faq .faq-idx-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate-blue);
}

.page-faq .faq-index-note {
  margin: 18px 0 0;
  font-size: 11px;
  line-height: 1.9;
  color: var(--slate-blue);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(44px, 6vw, 72px);
}

.page-faq .faq-group-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 12px;
  align-items: baseline;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group-num {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--barley);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.4vw, 28px);
  line-height: 1.2;
  letter-spacing: .05em;
  color: var(--paper-bright);
}

.page-faq .faq-group-desc {
  grid-column: 1 / -1;
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-blue);
}

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

.page-faq .faq-item summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  padding: 16px 4px 16px 12px;
  border-left: 2px solid transparent;
  cursor: pointer;
  list-style: none;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

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

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  background: rgba(242, 232, 213, .05);
  border-left-color: var(--barley);
  outline: none;
}

.page-faq .faq-item[open] > summary {
  border-left-color: var(--barley);
}

.page-faq .faq-qnum {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--lake);
}

.page-faq .faq-qtext {
  font-family: var(--font-display);
  font-size: clamp(15px, 1.9vw, 17px);
  font-weight: 600;
  letter-spacing: .03em;
  line-height: 1.6;
  color: var(--paper-bright);
}

.page-faq .faq-arrow {
  align-self: center;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 1px solid var(--slate-blue);
  border-bottom: 1px solid var(--slate-blue);
  transform: rotate(45deg) translateY(-2px);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-item[open] .faq-arrow {
  transform: rotate(225deg) translateY(-2px);
  border-color: var(--barley);
}

.page-faq .faq-answer {
  padding: 0 4px 20px 12px;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--wash);
}

.page-faq .faq-answer p {
  margin: 0 0 12px;
  max-width: 66ch;
}

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

.page-faq .faq-answer ul {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  max-width: 66ch;
}

.page-faq .faq-answer li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 6px;
  font-size: 14.5px;
  line-height: 1.8;
}

.page-faq .faq-answer li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 6px;
  background: var(--lake);
}

.page-faq .faq-answer a {
  color: var(--lake);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 163, 199, .45);
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-answer a:hover,
.page-faq .faq-answer a:focus-visible {
  color: var(--paper-bright);
  background: rgba(79, 163, 199, .16);
  border-bottom-color: var(--barley);
}

.page-faq .faq-key {
  display: inline-block;
  padding: 1px 7px;
  font-family: var(--font-mono);
  font-size: .88em;
  letter-spacing: .03em;
  color: var(--paper-bright);
  background: rgba(79, 163, 199, .22);
  border-bottom: 1px solid var(--lake);
}

/* ---------- 图与指标 ---------- */
.page-faq .faq-figure {
  margin: 20px 0 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

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

.page-faq .faq-figure figcaption {
  padding: 10px 14px 12px;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--slate-blue);
  border-top: 1px solid var(--line);
}

.page-faq .faq-figure--narrow {
  max-width: 420px;
}

.page-faq .faq-metrics {
  margin: 18px 0 6px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-faq .faq-metrics figcaption {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--slate-blue);
  margin-bottom: 12px;
}

.page-faq .faq-metrics-chart {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
}

.page-faq .faq-bar-track {
  fill: rgba(138, 150, 163, .2);
}

.page-faq .faq-bar-fill--barley {
  fill: var(--barley);
}

.page-faq .faq-bar-fill--lake {
  fill: var(--lake);
}

.page-faq .faq-bar-fill--ochre {
  fill: var(--ochre);
}

.page-faq .faq-metrics-legend {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .03em;
  color: var(--wash);
}

.page-faq .faq-metrics-legend li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-dot {
  width: 7px;
  height: 7px;
  flex: none;
  display: inline-block;
}

.page-faq .faq-dot--barley {
  background: var(--barley);
}

.page-faq .faq-dot--lake {
  background: var(--lake);
}

.page-faq .faq-dot--ochre {
  background: var(--ochre);
}

/* ---------- 收束 ---------- */
.page-faq .faq-tail {
  margin-top: clamp(40px, 6vw, 64px);
  padding: 22px 20px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--barley);
  border-radius: var(--radius);
}

.page-faq .faq-tail-text {
  margin: 0 0 18px;
  max-width: 56ch;
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--wash);
}

.page-faq .faq-tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-group-head {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: baseline;
  }

  .page-faq .faq-group-desc {
    grid-column: 2;
  }

  .page-faq .faq-answer {
    padding-left: 54px;
    font-size: 16px;
  }

  .page-faq .faq-item summary {
    padding-left: 14px;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
    gap: 48px;
    align-items: end;
  }

  .page-faq .faq-hero-side {
    gap: 12px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 64px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 88px;
  }

  .page-faq .faq-figure {
    margin-left: 54px;
  }

  .page-faq .faq-figure--narrow {
    margin-left: 54px;
  }

  .page-faq .faq-metrics {
    margin-left: 54px;
    max-width: 460px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-arrow,
  .page-faq .faq-item summary,
  .page-faq .faq-index-list a,
  .page-faq .faq-answer a,
  .page-faq .breadcrumb a {
    transition: none;
  }
}
<<<END>>>