.page-faq {
  --faq-line: rgba(28, 69, 87, .62);
  --faq-amber-glow: rgba(242, 166, 59, .18);
  --faq-indent: 24px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(18px, 4vw, 40px);
}

.page-faq .faq-hero .breadcrumbs {
  margin-bottom: 18px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  align-items: end;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-size: clamp(2.3rem, 9vw, 4.7rem);
  line-height: .96;
}

.page-faq .faq-hero__copy .lede {
  margin-top: 18px;
  max-width: 46ch;
}

.page-faq .faq-hero__meta {
  display: block;
  margin-top: 22px;
  padding-top: 12px;
  border-top: 1px dashed var(--faq-line);
  color: var(--amber);
}

.page-faq .faq-hero__media {
  position: relative;
}

.page-faq .faq-hero__media > .media-frame {
  aspect-ratio: 3 / 2;
}

.page-faq .faq-hero__mark {
  position: absolute;
  top: -20px;
  left: 0;
  z-index: 2;
  display: block;
  width: 58px;
  height: 58px;
  color: var(--amber);
  pointer-events: none;
}

.page-faq .faq-hero__mark svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* ---------- 分组跳转 ---------- */
.page-faq .faq-jump {
  display: flex;
  gap: 10px;
  margin-top: clamp(26px, 5vw, 52px);
  padding: 14px 2px;
  overflow-x: auto;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-jump::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-jump__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--rule);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 0 100%);
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  color: var(--ink);
  background-color: var(--amber);
  border-color: var(--amber);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-block {
  padding-top: clamp(38px, 6vw, 74px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
}

.page-faq .faq-group__no {
  flex: 0 0 auto;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-faq .faq-group__head .t-section {
  margin: 0;
  font-size: clamp(1.5rem, 4.6vw, 2.35rem);
}

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

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

.page-faq .faq-item > summary {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr) 16px;
  align-items: start;
  gap: 12px;
  padding: 18px 2px;
  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-item > summary:focus-visible {
  outline: 1px dashed var(--check);
  outline-offset: 3px;
}

.page-faq .faq-item__marker {
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  background-color: var(--rule);
  box-shadow: 0 0 0 0 rgba(242, 166, 59, 0);
  transition: background-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-faq .faq-item[open] .faq-item__marker {
  background-color: var(--amber);
  box-shadow: 0 0 0 4px var(--faq-amber-glow);
}

.page-faq .faq-item__text {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.0625rem, 3.4vw, 1.3rem);
  line-height: 1.36;
  color: var(--cream);
  transition: color .2s var(--ease);
}

.page-faq .faq-item > summary:hover .faq-item__text {
  color: var(--amber);
}

.page-faq .faq-item__sign {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 7px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  background-color: var(--check);
  transition: transform .25s var(--ease), background-color .25s var(--ease);
}

.page-faq .faq-item__sign::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 1.5px;
}

.page-faq .faq-item__sign::after {
  left: 6px;
  top: 0;
  width: 1.5px;
  height: 14px;
}

.page-faq .faq-item[open] .faq-item__sign::before {
  background-color: var(--amber);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-item__a {
  padding: 0 2px 20px var(--faq-indent);
  animation: faqReveal .3s var(--ease) both;
}

.page-faq .faq-item__a p {
  margin: 0;
  max-width: 64ch;
  font-size: .975rem;
  line-height: 1.75;
  color: var(--paper);
}

.page-faq .faq-item__a a {
  color: var(--check);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-item__a a:hover {
  color: var(--amber);
}

@keyframes faqReveal {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 中段呼吸口 ---------- */
.page-faq .faq-break {
  padding: clamp(34px, 7vw, 80px) 0 clamp(6px, 2vw, 18px);
}

.page-faq .faq-break .media-frame {
  aspect-ratio: 14 / 9;
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  padding-top: clamp(42px, 7vw, 88px);
}

.page-faq .faq-cta__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: clamp(24px, 4vw, 40px);
}

.page-faq .faq-cta__copy .t-sub {
  margin: 10px 0 12px;
}

.page-faq .faq-cta__copy .para {
  margin: 0;
  max-width: 58ch;
}

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

/* ---------- 平板 ---------- */
@media (min-width: 720px) {
  .page-faq {
    --faq-indent: 32px;
  }

  .page-faq .faq-item > summary {
    grid-template-columns: 14px minmax(0, 1fr) 18px;
    gap: 16px;
    padding: 20px 2px;
  }

  .page-faq .faq-item__text {
    font-size: 1.25rem;
  }

  .page-faq .faq-item__a p {
    font-size: 1rem;
  }

  .page-faq .faq-cta__panel {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, .5fr);
    align-items: center;
    gap: 40px;
  }

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

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-faq .faq-hero__mark {
    top: -26px;
    left: -26px;
    width: 68px;
    height: 68px;
  }

  .page-faq .faq-item__a {
    max-width: 72ch;
  }
}

/* ---------- 降低动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__a {
    animation: none;
  }

  .page-faq .faq-item__marker,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-jump__link,
  .page-faq .faq-item__text {
    transition: none;
  }
}