.page-faq {
  --faq-numw: 34px;
  --faq-rowgap: 12px;
}

/* ---------- 面包屑与首屏 ---------- */
.page-faq .crumb {
  margin: 22px 0 2px;
}

.page-faq .faq-hero {
  padding: 18px 0 26px;
  border-bottom: 1px solid var(--slate-100);
}

.page-faq .faq-hero .folio {
  margin-bottom: 12px;
}

.page-faq .faq-lede {
  max-width: 36em;
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-top: 22px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-faq .faq-stats span {
  position: relative;
  padding-left: 14px;
}

.page-faq .faq-stats span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 1px;
  background: var(--cinnabar);
}

/* ---------- 图版 ---------- */
.page-faq .faq-plate {
  margin: 32px 0 0;
}

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

.page-faq .faq-plate--square {
  margin-top: 40px;
  max-width: 520px;
}

/* ---------- 分组跳转 ---------- */
.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.page-faq .faq-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--slate-100);
  background: var(--paper-warm);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-jump a .mono {
  font-size: 12px;
  color: var(--cinnabar);
}

.page-faq .faq-jump a:hover {
  transform: translateY(-2px);
  background: var(--cinnabar-soft);
  border-color: var(--cinnabar);
}

/* ---------- 章节 ---------- */
.page-faq .faq-section {
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--slate-100);
  scroll-margin-top: 92px;
}

.page-faq .faq-section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
}

.page-faq .faq-section-head h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-faq .faq-section-note {
  max-width: 34em;
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-list {
  margin-top: 18px;
  border-top: 1px solid var(--slate-100);
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--slate-100);
  background: transparent;
  transition: background 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-faq .faq-item[open] {
  background: linear-gradient(180deg, var(--paper-warm) 0%, rgba(239, 233, 219, 0) 92%);
  box-shadow: inset 0 1px 0 rgba(30, 28, 26, 0.06);
}

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: var(--faq-numw) 1fr 20px;
  gap: var(--faq-rowgap);
  align-items: start;
  padding: 17px 2px 15px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-num {
  padding-top: 4px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cinnabar);
}

.page-faq .faq-q {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
}

.page-faq .faq-mark {
  justify-self: end;
  padding-top: 1px;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--cinnabar);
}

.page-faq .faq-mark::before {
  content: "＋";
}

.page-faq .faq-item[open] .faq-mark::before {
  content: "－";
}

.page-faq .faq-a {
  max-width: 58ch;
  padding: 0 2px 22px calc(var(--faq-numw) + var(--faq-rowgap));
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--slate);
}

.page-faq .faq-a p {
  margin: 0 0 0.9em;
}

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

.page-faq .faq-a a {
  color: var(--cinnabar);
  text-decoration: none;
  border-bottom: 1px solid var(--cinnabar-soft);
}

.page-faq .faq-a a:hover {
  border-bottom-color: var(--cinnabar);
}

.page-faq .faq-item > summary:focus-visible,
.page-faq .faq-jump a:focus-visible,
.page-faq .faq-desk-link:focus-visible,
.page-faq .faq-a a:focus-visible {
  outline: 2px solid var(--cinnabar);
  outline-offset: 3px;
}

/* ---------- 客服窄条 ---------- */
.page-faq .faq-desk {
  display: grid;
  gap: 22px;
  margin: 52px 0 30px;
  padding: 30px 22px;
  background: var(--deep);
  border-left: 4px solid var(--cinnabar);
  color: var(--paper);
}

.page-faq .faq-desk-title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--paper);
}

.page-faq .faq-desk-body {
  max-width: 40em;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 244, 236, 0.82);
}

.page-faq .faq-desk-facts {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(247, 244, 236, 0.82);
}

.page-faq .faq-desk-facts li {
  padding-top: 9px;
  border-top: 1px solid rgba(247, 244, 236, 0.22);
}

.page-faq .faq-desk-facts .mono {
  display: block;
  margin-bottom: 3px;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-faq .faq-desk-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  align-self: start;
  padding: 12px 22px;
  border: 1px solid var(--paper);
  background: var(--paper);
  color: var(--deep);
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), border-color 0.18s var(--ease), color 0.18s var(--ease);
}

.page-faq .faq-desk-link:hover {
  transform: translateY(-2px);
  background: var(--cinnabar);
  border-color: var(--cinnabar);
  color: var(--paper);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-faq {
    --faq-numw: 58px;
    --faq-rowgap: 18px;
  }

  .page-faq .crumb {
    margin-top: 30px;
  }

  .page-faq .faq-hero {
    padding: 26px 0 36px;
  }

  .page-faq .faq-section-head h2 {
    font-size: 24px;
  }

  .page-faq .faq-item > summary {
    grid-template-columns: var(--faq-numw) 1fr 24px;
    padding: 21px 6px 18px;
  }

  .page-faq .faq-q {
    font-size: 19px;
  }

  .page-faq .faq-a {
    padding-bottom: 26px;
    font-size: 16px;
  }

  .page-faq .faq-desk {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    margin: 64px 0 40px;
    padding: 40px 36px;
  }

  .page-faq .faq-desk-facts li {
    padding-top: 8px;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-plate--square {
    margin-left: auto;
    margin-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 0.01ms !important;
  }
}