.page-faq {
  --faq-hair: rgba(122, 138, 160, .22);
  --faq-hair-strong: rgba(122, 138, 160, .42);
  --faq-dim: rgba(27, 20, 16, .55);
}

/* ---------- 顶部：标题与检索横梁 ---------- */
.page-faq .faq-hero {
  display: grid;
  gap: 30px;
  padding-top: clamp(24px, 5vw, 52px);
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  color: var(--paper);
}

.page-faq .faq-hero__lead {
  margin: 18px 0 0;
  max-width: 52ch;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--dark-muted);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--ink-800);
}

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

/* ---------- 快速定位 ---------- */
.page-faq .faq-index {
  margin-top: clamp(36px, 6vw, 68px);
}

.page-faq .faq-index__panel {
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-panel);
  padding: clamp(22px, 4vw, 34px);
}

.page-faq .faq-index__title {
  margin: 12px 0 0;
  font-size: clamp(1.25rem, 2.6vw, 1.6rem);
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-faq .faq-index__note {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--dark-muted);
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-faq .faq-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  text-decoration: none;
}

.page-faq .faq-chip .mono {
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--gold);
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-top: clamp(48px, 7vw, 90px);
  scroll-margin-top: 118px;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 18px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--faq-hair);
}

.page-faq .faq-group__num {
  padding-top: 6px;
  font-size: 1rem;
  letter-spacing: .12em;
  color: var(--gold);
  line-height: 1.5;
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: clamp(1.4rem, 3.2vw, 2rem);
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-group__desc {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: .94rem;
  line-height: 1.75;
  color: var(--dark-muted);
}

.page-faq .faq-group__list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 单条问答 ---------- */
.page-faq .qa {
  background: var(--paper);
  color: var(--ink-text);
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  scroll-margin-top: 118px;
  transition: transform 200ms var(--ease-out), border-color 200ms var(--ease-out);
}

.page-faq .qa:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
}

.page-faq .qa__head {
  margin: 0;
  font-size: 1rem;
}

.page-faq .qa .fold__trigger {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  margin: 0;
  padding: 20px 22px;
  background: none;
  border: 0;
  text-align: left;
  font: inherit;
  color: var(--ink-text);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .qa .fold__trigger:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
  border-radius: var(--radius-card);
}

.page-faq .qa__q {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: -.005em;
}

.page-faq .qa .fold__sign {
  flex: none;
  margin-top: 4px;
}

.page-faq .qa .fold__panel {
  border-top: 1px solid var(--paper-line);
}

.page-faq .qa .fold__inner {
  padding: 18px 22px 20px;
}

.page-faq .qa .fold__inner p {
  margin: 0 0 1em;
  max-width: 66ch;
  font-size: .955rem;
  line-height: 1.85;
  color: var(--ink-muted);
}

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

.page-faq .qa .fold__inner .qa__foot {
  margin: 16px 0 0;
}

.page-faq .qa__anchor {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border: 1px solid var(--paper-line);
  border-radius: 999px;
  font-size: .76rem;
  letter-spacing: .1em;
  color: var(--faq-dim);
  text-decoration: none;
  transition: color 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.page-faq .qa__anchor:hover,
.page-faq .qa__anchor:focus-visible {
  color: var(--ink-text);
  border-color: var(--gold);
}

/* ---------- 中段视觉块 ---------- */
.page-faq .faq-quadrant {
  margin-top: clamp(42px, 6vw, 76px);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-panel);
  overflow: hidden;
  background: var(--ink-800);
}

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

/* ---------- 底部联系区 ---------- */
.page-faq .faq-cta {
  margin-top: clamp(52px, 7vw, 92px);
  margin-bottom: clamp(40px, 6vw, 80px);
}

.page-faq .faq-cta__panel {
  display: grid;
  gap: 22px;
  padding: clamp(24px, 4vw, 40px);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius-panel);
}

.page-faq .faq-cta__title {
  margin: 12px 0 0;
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-faq .faq-cta__lead {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--dark-muted);
}

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

@media (min-width: 860px) {
  .page-faq .faq-cta__panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    align-items: center;
    gap: 40px;
  }

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

/* ---------- 中等宽度以上：非对称两栏 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: center;
  }

  .page-faq .faq-index__list {
    margin-top: 28px;
  }

  .page-faq .faq-group__head {
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 4px 26px;
    padding-bottom: 22px;
  }

  .page-faq .faq-group__num {
    font-size: 1.15rem;
    padding-top: 8px;
  }

  .page-faq .faq-group__list {
    margin-top: 28px;
    margin-left: 100px;
  }

  .page-faq .qa .fold__trigger {
    padding: 22px 26px;
  }

  .page-faq .qa .fold__inner {
    padding: 20px 26px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa,
  .page-faq .qa__anchor {
    transition: none;
  }

  .page-faq .qa:hover {
    transform: none;
  }
}