.page-faq {
  --faq-sticky: 84px;
  --faq-line: rgba(14, 43, 71, 0.12);
  --faq-quiet: rgba(14, 43, 71, 0.07);
  padding-bottom: 40px;
}

@media (min-width: 960px) {
  .page-faq {
    --faq-sticky: 104px;
  }
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: 22px;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  font-family: var(--lx-font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--lx-navy);
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.78;
  color: var(--lx-ink);
}

.page-faq .faq-hero__media {
  margin-top: 30px;
  border-radius: var(--lx-r-panel);
  overflow: hidden;
  border: 1px solid var(--faq-line);
  box-shadow: var(--lx-shadow-1);
  aspect-ratio: 1.5 / 1;
  background: var(--lx-sand);
}

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

@media (min-width: 760px) {
  .page-faq .faq-hero__media {
    aspect-ratio: 2.6 / 1;
  }
}

.page-faq .faq-hero__caption {
  margin: 12px 0 0;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--lx-stone);
}

/* ---------- 常驻分类胶囊 ---------- */
.page-faq .faq-index {
  position: sticky;
  top: var(--faq-sticky);
  z-index: 20;
  margin: 26px 0 24px;
  padding: 10px;
  border-radius: var(--lx-r-pill);
  background: rgba(253, 251, 247, 0.9);
  border: 1px solid var(--faq-line);
  box-shadow: var(--lx-shadow-2);
  backdrop-filter: blur(12px);
}

.page-faq .faq-index__label {
  margin: 0 0 8px 12px;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--lx-stone);
}

.page-faq .faq-capsules {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-capsule {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 18px;
  border-radius: var(--lx-r-pill);
  background: var(--lx-gold-soft);
  border: 1px solid rgba(227, 163, 60, 0.4);
  color: var(--lx-navy);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms var(--lx-ease), color 160ms var(--lx-ease), border-color 160ms var(--lx-ease);
}

.page-faq .faq-capsule__num {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--lx-gold-ink);
  transition: color 160ms var(--lx-ease);
}

.page-faq .faq-capsule:hover,
.page-faq .faq-capsule:focus-visible {
  background: var(--lx-gold);
  border-color: var(--lx-gold);
  color: var(--lx-navy-deep);
}

.page-faq .faq-capsule:hover .faq-capsule__num,
.page-faq .faq-capsule:focus-visible .faq-capsule__num {
  color: var(--lx-navy-deep);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-faq .faq-side {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: 30px;
  min-width: 0;
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(196px, 23%) minmax(0, 1fr);
    gap: 44px;
  }

  .page-faq .faq-side {
    position: sticky;
    top: var(--faq-sticky);
    align-self: start;
  }
}

/* ---------- 侧栏 ---------- */
.page-faq .faq-toc {
  position: relative;
  padding: 18px 16px;
  border-radius: var(--lx-r-card);
  background: var(--lx-sand);
  border: 1px solid var(--faq-quiet);
  overflow: hidden;
}

.page-faq .faq-toc::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--lx-gold) 0%, var(--lx-gold-soft) 100%);
}

.page-faq .faq-toc .lx-toc__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lx-stone);
}

.page-faq .faq-toc .lx-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc .lx-toc__link {
  display: block;
  padding: 7px 10px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--lx-stone);
  text-decoration: none;
  transition: background 160ms var(--lx-ease), color 160ms var(--lx-ease);
}

.page-faq .faq-toc .lx-toc__link:hover,
.page-faq .faq-toc .lx-toc__link:focus-visible {
  background: var(--lx-gold-soft);
  color: var(--lx-navy);
}

.page-faq .faq-side__note {
  padding: 18px 16px;
  border-radius: var(--lx-r-card);
  background: linear-gradient(165deg, var(--lx-navy) 0%, var(--lx-navy-mid) 100%);
  color: var(--lx-sand);
}

.page-faq .faq-side__noteTitle {
  margin: 0 0 8px;
  font-family: var(--lx-font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--lx-gold-soft);
}

.page-faq .faq-side__noteBody {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(244, 237, 224, 0.86);
}

.page-faq .faq-side__noteLink {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--lx-gold-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(246, 217, 160, 0.5);
  padding-bottom: 2px;
}

.page-faq .faq-side__noteLink:hover,
.page-faq .faq-side__noteLink:focus-visible {
  color: var(--lx-paper);
  border-color: var(--lx-paper);
}

/* ---------- 口径层级速览 ---------- */
.page-faq .faq-layer {
  display: grid;
  gap: 22px;
  padding: 26px 22px;
  border-radius: var(--lx-r-panel);
  background: var(--lx-paper);
  border: 1px solid var(--faq-line);
  box-shadow: var(--lx-shadow-2);
}

.page-faq .faq-layer__title {
  margin: 10px 0 0;
  font-family: var(--lx-font-display);
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--lx-navy);
}

.page-faq .faq-layer__lede {
  margin: 12px 0 18px;
  max-width: 54ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--lx-ink);
}

.page-faq .faq-layer__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-layer__item {
  display: grid;
  grid-template-columns: 10px minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 2px;
  padding: 12px 14px;
  border-radius: 16px;
  background: var(--lx-sand);
}

.page-faq .faq-layer__dot {
  grid-row: 1 / span 2;
  align-self: center;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--lx-gold);
}

.page-faq .faq-layer__item--b .faq-layer__dot {
  background: var(--lx-navy-mid);
}

.page-faq .faq-layer__item--c .faq-layer__dot {
  background: var(--lx-euca);
}

.page-faq .faq-layer__name {
  margin: 0;
  font-family: var(--lx-font-display);
  font-size: 15px;
  font-weight: 800;
  color: var(--lx-navy);
}

.page-faq .faq-layer__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--lx-stone);
}

.page-faq .faq-layer__media {
  border-radius: var(--lx-r-card);
  overflow: hidden;
  background: var(--lx-sand);
}

.page-faq .faq-layer__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

@media (min-width: 860px) {
  .page-faq .faq-layer {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    padding: 30px 28px;
    gap: 30px;
  }
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  scroll-margin-top: 160px;
}

.page-faq .faq-group__head {
  position: relative;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-group__tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: var(--lx-r-pill);
  background: var(--lx-navy);
  color: var(--lx-gold-soft);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-faq .faq-group__title {
  margin: 14px 0 0;
  font-family: var(--lx-font-display);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  color: var(--lx-navy);
}

.page-faq .faq-group__lede {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--lx-stone);
}

.page-faq .faq-acc {
  padding-left: 16px;
  margin-left: -16px;
}

.page-faq .faq-item {
  position: relative;
  border-bottom: 1px solid var(--faq-quiet);
}

.page-faq .faq-item::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 12px;
  bottom: 12px;
  width: 3px;
  border-radius: 3px;
  background: var(--lx-gold);
  opacity: 0;
  transform: scaleY(0.4);
  transform-origin: top center;
  transition: opacity 240ms var(--lx-ease), transform 240ms var(--lx-ease);
}

.page-faq .faq-item[open]::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 6px 18px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--lx-font-display);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--lx-navy);
  transition: color 160ms var(--lx-ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--lx-gold-ink);
}

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

.page-faq .faq-item__mark {
  flex: 0 0 auto;
  margin-top: 2px;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--lx-gold-soft);
  position: relative;
  transition: background 160ms var(--lx-ease);
}

.page-faq .faq-item__mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--lx-gold-ink);
  border-bottom: 2px solid var(--lx-gold-ink);
  transform: translate(-50%, -72%) rotate(45deg);
  transition: transform 240ms var(--lx-ease);
}

.page-faq .faq-item[open] .faq-item__mark {
  background: var(--lx-gold);
}

.page-faq .faq-item[open] .faq-item__mark::before {
  transform: translate(-50%, -28%) rotate(225deg);
}

.page-faq .faq-item__a {
  display: grid;
  gap: 10px;
  padding: 0 6px 22px 0;
  max-width: 62ch;
}

.page-faq .faq-item__a p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--lx-ink);
}

.page-faq .faq-item__conclusion {
  font-family: var(--lx-font-mono);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--lx-navy);
  background: var(--lx-sand);
  border-left: 3px solid var(--lx-gold);
  border-radius: 0 14px 14px 0;
  padding: 11px 15px;
}

.page-faq .faq-sep {
  color: rgba(14, 43, 71, 0.16);
  height: 22px;
}

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

/* ---------- 收束段 ---------- */
.page-faq .faq-end {
  padding: 30px 24px;
  border-radius: var(--lx-r-panel);
  background: linear-gradient(160deg, var(--lx-navy) 0%, var(--lx-navy-mid) 100%);
  color: var(--lx-sand);
  box-shadow: var(--lx-shadow-1);
  scroll-margin-top: 160px;
}

.page-faq .faq-end__eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--lx-gold-soft);
}

.page-faq .faq-end__title {
  margin: 12px 0 20px;
  font-family: var(--lx-font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--lx-paper);
  max-width: 24ch;
}

.page-faq .faq-end__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-faq .faq-end__list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 237, 224, 0.92);
}

.page-faq .faq-end__num {
  font-size: 12.5px;
  letter-spacing: 0.08em;
  color: var(--lx-gold);
}

.page-faq .faq-end__closing {
  margin: 22px 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(246, 217, 160, 0.24);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(244, 237, 224, 0.82);
  max-width: 58ch;
}

.page-faq .faq-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-faq .lx-top {
  position: fixed;
  right: 18px;
  bottom: 22px;
  z-index: 30;
}

@media (min-width: 960px) {
  .page-faq .faq-end {
    padding: 38px 34px;
  }

  .page-faq .faq-layer {
    scroll-margin-top: 170px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item::before,
  .page-faq .faq-item__mark,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-capsule {
    transition: none;
  }
}