.page-faq {
  display: block;
  --faq-gap-sm: clamp(10px, 1.6vw, 16px);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  padding-block: clamp(16px, 3vw, 26px) 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 36px);
  align-items: end;
  padding-block: clamp(20px, 4vw, 52px) clamp(20px, 3vw, 40px);
}

.page-faq .faq-hero__media {
  margin: 0;
  order: 2;
  max-width: 420px;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-hero__body {
  order: 1;
}

.page-faq .faq-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(31px, 7.2vw, 66px);
  line-height: 1.04;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-jump {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-jump__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line-strong);
  color: var(--text);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background 160ms var(--ease);
}

.page-faq .faq-jump__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ref);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--pulse);
  color: var(--paper);
  background: rgba(49, 226, 200, 0.08);
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-faq .faq-hero__media {
    order: 1;
    max-width: none;
  }
  .page-faq .faq-hero__body {
    order: 2;
  }
}

/* ---------- 概况数据带 ---------- */
.page-faq .faq-band {
  padding-block: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(31, 92, 62, 0.30), rgba(11, 27, 43, 0) 62%),
    var(--ink);
}

.page-faq .faq-band__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(14px, 2.4vw, 24px);
}

.page-faq .faq-band__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--grass-lite);
}

.page-faq .faq-band__item .stat-value {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.6vw, 28px);
  letter-spacing: 0.02em;
  color: var(--paper);
  line-height: 1.1;
}

.page-faq .faq-band__item .stat-label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

@media (min-width: 760px) {
  .page-faq .faq-band__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 主体：索引 + 问答 ---------- */
.page-faq .faq-layout {
  align-items: start;
  padding-block: clamp(26px, 5vw, 56px) clamp(30px, 6vw, 72px);
}

.page-faq .faq-index {
  padding: 18px 16px;
  border: 1px solid var(--line);
  background: var(--ink-2);
  box-shadow: 0 22px 48px -34px rgba(0, 0, 0, 0.9);
}

.page-faq .faq-index .toc-title {
  margin: 0 0 12px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

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

.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 8px;
  border-top: 1px solid var(--line);
  color: var(--text-dim);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 160ms var(--ease), background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--ref);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  background: rgba(47, 138, 92, 0.18);
  border-top-color: var(--grass-lite);
}

.page-faq .faq-index__link[aria-current="true"] {
  color: var(--pulse);
  border-top-color: var(--pulse);
}

.page-faq .faq-index__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-faq .faq-index__hint a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 226, 200, 0.4);
}

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

@media (min-width: 900px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 60px);
}

.page-faq .faq-group__head {
  display: grid;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--pulse);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.24;
  color: var(--paper);
}

.page-faq .faq-group__note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-list {
  display: grid;
  gap: 0;
}

.page-faq .qa-item {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(18, 40, 58, 0.55), rgba(18, 40, 58, 0) 78%);
  transition: background 200ms var(--ease);
}

.page-faq .qa-item[open] {
  background: linear-gradient(90deg, rgba(31, 92, 62, 0.28), rgba(18, 40, 58, 0) 78%);
}

.page-faq .qa-q {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: baseline;
  gap: 8px;
  padding: 16px 14px 16px 4px;
  border-left: 2px solid transparent;
  cursor: pointer;
  list-style: none;
  color: var(--paper);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

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

.page-faq .qa-q:hover,
.page-faq .qa-q:focus-visible {
  border-left-color: var(--grass-lite);
  outline: none;
}

.page-faq .qa-item[open] .qa-q {
  border-left-color: var(--pulse);
}

.page-faq .qa-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray);
}

.page-faq .qa-a {
  padding: 0 16px 18px 54px;
}

.page-faq .qa-a p {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

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

.page-faq .qa-a a {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 226, 200, 0.42);
}

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

.page-faq .qa-meta {
  margin-top: 12px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gray);
}

@media (max-width: 560px) {
  .page-faq .qa-q {
    grid-template-columns: 34px minmax(0, 1fr);
    font-size: 15px;
  }
  .page-faq .qa-a {
    padding-left: 14px;
  }
}

/* ---------- 章节配图 ---------- */
.page-faq .faq-figure {
  margin: 24px 0 0;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding-block: 0 clamp(36px, 6vw, 88px);
}

.page-faq .faq-cta__panel {
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(31, 92, 62, 0.34), rgba(11, 27, 43, 0) 58%),
    var(--ink-2);
}

.page-faq .faq-cta__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.24;
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
}

.page-faq .faq-cta__actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}