.page-faq {
  --faq-rail: 208px;
  --faq-gap: clamp(32px, 5vw, 72px);
  --faq-dot: 7px;
}

.page-faq .faq-crumbs {
  padding-top: clamp(18px, 3vw, 34px);
}

/* ── 首屏 ── */
.page-faq .faq-hero {
  padding-top: clamp(22px, 3.6vw, 44px);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(28px, 4vw, 52px);
}

.page-faq .faq-hero__lead h1 {
  margin: 16px 0 0;
  max-width: 11em;
}

.page-faq .faq-hero__lead .lead {
  margin: 22px 0 0;
  max-width: 32em;
}

.page-faq .faq-hero__lead .plate {
  margin: 24px 0 0;
  max-width: 30em;
}

.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  align-self: end;
}

.page-faq .faq-stats__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: clamp(14px, 2vw, 20px) clamp(14px, 2vw, 18px);
  background: rgba(18, 48, 42, 0.72);
}

.page-faq .faq-stats__num {
  font-family: var(--font-num);
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--gold-soft);
}

.page-faq .faq-stats__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: clamp(40px, 6vw, 88px);
  }
}

/* ── 主体骨架 ── */
.page-faq .faq-shell {
  display: grid;
  gap: var(--faq-gap);
  padding-top: clamp(40px, 6vw, 84px);
  padding-bottom: clamp(64px, 9vw, 128px);
}

/* 分类索引 */
.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
  padding-top: 10px;
  border-top: 1px solid rgba(201, 162, 39, 0.55);
}

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

.page-faq .faq-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 14px;
  color: var(--muted);
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--paper);
  border-color: var(--cyan-dim);
  background: rgba(59, 240, 208, 0.08);
}

.page-faq .faq-index__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .faq-index__note a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--top-h) + 32px);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-faq .faq-index__link {
    position: relative;
    padding: 11px 0 11px 20px;
    border: 0;
    border-left: 1px solid var(--line);
    border-radius: 0;
    font-size: 15px;
  }

  .page-faq .faq-index__link::before {
    content: "";
    position: absolute;
    left: calc(var(--faq-dot) / -2 - 0.5px);
    top: 50%;
    width: var(--faq-dot);
    height: var(--faq-dot);
    margin-top: calc(var(--faq-dot) / -2);
    border-radius: 50%;
    background: var(--line);
    transition: background-color 200ms var(--ease), transform 200ms var(--ease);
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    background: none;
    border-left-color: var(--cyan-dim);
    color: var(--gold-soft);
  }

  .page-faq .faq-index__link:hover::before,
  .page-faq .faq-index__link:focus-visible::before {
    background: var(--cyan);
    transform: scale(1.35);
  }
}

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

.page-faq .faq-group + .faq-group {
  margin-top: clamp(56px, 8vw, 112px);
  padding-top: clamp(34px, 4.5vw, 58px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 2vw, 24px);
  padding-bottom: 8px;
}

.page-faq .faq-group__no {
  font-family: var(--font-num);
  font-size: clamp(40px, 5.4vw, 58px);
  font-weight: 700;
  line-height: 0.85;
  letter-spacing: -0.02em;
  color: var(--gold);
  flex: none;
}

.page-faq .faq-group__meta {
  padding-top: 4px;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__desc {
  margin: 8px 0 0;
  padding-top: 8px;
  border-top: 1px solid rgba(201, 162, 39, 0.6);
  max-width: 30em;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

/* ── 图 ── */
.page-faq .faq-figure {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
}

/* ── 手风琴 ── */
.page-faq .accordion {
  margin-top: clamp(18px, 2.4vw, 28px);
}

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

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

.page-faq .accordion__trigger {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 1.6vw, 18px);
  width: 100%;
  padding: clamp(15px, 1.9vw, 20px) 0;
  border: 0;
  background: none;
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  color: var(--paper);
  cursor: pointer;
  transition: color 200ms var(--ease);
}

.page-faq .accordion__trigger:hover,
.page-faq .accordion__trigger:focus-visible {
  color: var(--gold-soft);
}

.page-faq .accordion__idx {
  flex: none;
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.9;
  color: var(--gold);
  letter-spacing: 0.04em;
}

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

.page-faq .accordion__sign {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-top: 7px;
  border: 1px solid var(--line);
  transition: border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-faq .accordion__sign::before,
.page-faq .accordion__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 8px;
  height: 1.5px;
  background: var(--muted);
  transform: translate(-50%, -50%);
  transition: background-color 200ms var(--ease), transform 200ms var(--ease), opacity 200ms var(--ease);
}

.page-faq .accordion__sign::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .accordion__trigger:hover .accordion__sign,
.page-faq .accordion__trigger:focus-visible .accordion__sign {
  border-color: var(--cyan);
}

.page-faq .accordion__trigger:hover .accordion__sign::before,
.page-faq .accordion__trigger:hover .accordion__sign::after,
.page-faq .accordion__trigger:focus-visible .accordion__sign::before,
.page-faq .accordion__trigger:focus-visible .accordion__sign::after {
  background: var(--cyan);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__sign {
  border-color: var(--cyan);
  background: rgba(59, 240, 208, 0.12);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__sign::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .accordion__trigger[aria-expanded="true"] .accordion__sign::before {
  background: var(--cyan);
}

/* 玻璃层 → 实色层 */
.page-faq .accordion__panel {
  overflow: hidden;
  border-left: 1px solid var(--line);
  background: rgba(18, 48, 42, 0.34);
  transition: background-color 240ms var(--ease), border-color 240ms var(--ease);
}

.page-faq .accordion__panel[data-open] {
  background: var(--ink-2);
  border-left-color: var(--cyan-dim);
}

.page-faq .accordion__body {
  padding: 4px clamp(14px, 2vw, 24px) clamp(18px, 2.4vw, 26px);
}

.page-faq .accordion__body p {
  margin: 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
}

.page-faq .accordion__body p + p {
  margin-top: 12px;
}

.page-faq .accordion__body p.plate {
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-faq .accordion__body a {
  color: var(--gold-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

/* ── 内嵌三步条 ── */
.page-faq .steps {
  display: grid;
  gap: 14px;
  margin: 4px 0 16px;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-faq .steps__item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(201, 162, 39, 0.45);
}

.page-faq .steps__no {
  flex: none;
  font-family: var(--font-num);
  font-size: clamp(30px, 3.4vw, 40px);
  font-weight: 700;
  line-height: 0.9;
  color: var(--gold);
}

.page-faq .steps__txt {
  padding-top: 2px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
}

@media (min-width: 760px) {
  .page-faq .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
}

/* ── 组尾行动区 ── */
.page-faq .faq-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 2.6vw, 32px);
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3vw, 30px) clamp(20px, 3vw, 34px);
  border-radius: 2px;
}

.page-faq .faq-cta__text {
  flex: 1 1 300px;
  min-width: 0;
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-cta__desc {
  margin: 10px 0 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

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