.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(20px, 4vw, 38px);
  padding-bottom: clamp(44px, 7vw, 80px);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: min(560px, 66%);
  height: 74%;
  background: var(--lx-yellow-soft);
  opacity: .34;
  border-radius: 52% 44% 58% 40%;
  transform: rotate(-11deg);
  z-index: 0;
  pointer-events: none;
}

.page-faq .faq-hero > .lx-wrap {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  margin-top: clamp(18px, 3.2vw, 34px);
  align-items: center;
}

.page-faq .faq-hero__lead .lx-title-1 {
  margin: 10px 0 16px;
  max-width: 19ch;
}

.page-faq .faq-hero__lead .lx-lede {
  max-width: 46ch;
}

.page-faq .faq-hero__hint {
  margin: 18px 0 0;
  font-family: var(--lx-font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--lx-green-600);
}

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

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

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
}

/* ---------- 主体：左侧分类轨道 + 右侧说明列表 ---------- */

.page-faq .faq-body {
  padding-top: clamp(36px, 6vw, 72px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-faq .faq-rail__inner {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-faq .faq-rail__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-faq .faq-rail__nav .lx-anchor-nav__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border: 1px solid var(--lx-green-300);
  border-radius: var(--lx-r-sm);
  background: var(--lx-paper);
  font-family: var(--lx-font-head);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--lx-green-900);
  text-decoration: none;
  transition: background-color .18s var(--lx-ease), border-color .18s var(--lx-ease), color .18s var(--lx-ease);
}

.page-faq .faq-rail__nav .lx-anchor-nav__link:hover {
  background: var(--lx-yellow-soft);
  border-color: var(--lx-yellow);
}

.page-faq .faq-rail__nav .lx-anchor-nav__link[aria-current="true"] {
  background: var(--lx-green-900);
  border-color: var(--lx-green-900);
  color: var(--lx-paper);
}

.page-faq .faq-rail__count {
  font-family: var(--lx-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  opacity: .68;
}

.page-faq .faq-search {
  padding: 16px 16px 14px;
  background: var(--lx-cream);
  border-radius: var(--lx-r-md);
}

.page-faq .faq-search__label {
  display: block;
  font-family: var(--lx-font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--lx-green-900);
}

.page-faq .faq-search__input {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 11px 13px;
  font-family: var(--lx-font-mono);
  font-size: 14px;
  color: var(--lx-ink);
  background: var(--lx-paper);
  border: 1px solid var(--lx-green-300);
  border-radius: var(--lx-r-sm);
  -webkit-appearance: none;
  appearance: none;
}

.page-faq .faq-search__input::placeholder {
  color: var(--lx-index);
}

.page-faq .faq-search__input:focus {
  outline: 2px solid var(--lx-yellow);
  outline-offset: 2px;
  border-color: var(--lx-green-600);
}

.page-faq .faq-search__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.55;
  color: var(--lx-index);
}

.page-faq .faq-rail__figure {
  margin: 4px 0 0;
  display: none;
}

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

@media (min-width: 980px) {
  .page-faq .faq-body__grid {
    grid-template-columns: minmax(0, 28fr) minmax(0, 68fr);
    gap: clamp(34px, 4vw, 64px);
  }

  .page-faq .faq-rail__inner {
    position: sticky;
    top: 92px;
  }

  .page-faq .faq-rail__nav {
    flex-direction: column;
    flex-wrap: nowrap;
    align-items: stretch;
  }

  .page-faq .faq-rail__figure {
    display: block;
  }
}

/* ---------- 说明列表 ---------- */

.page-faq .faq-group {
  scroll-margin-top: 96px;
}

.page-faq .faq-group + .faq-group {
  margin-top: clamp(38px, 5vw, 66px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--lx-green-900);
}

.page-faq .faq-group__head .lx-title-3 {
  margin: 0;
  font-size: clamp(20px, 2.4vw, 26px);
}

.page-faq .faq-group__num {
  font-family: var(--lx-font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--lx-brick);
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--lx-font-mono);
  font-size: 13px;
  color: var(--lx-index);
  white-space: nowrap;
}

.page-faq .faq-item {
  border-bottom: 1px solid var(--lx-green-300);
  border-left: 3px solid transparent;
  padding-left: 14px;
  transition: border-left-color .22s var(--lx-ease), background-color .22s var(--lx-ease);
}

.page-faq .faq-item[open] {
  border-left-color: var(--lx-yellow);
  background: rgba(242, 193, 78, .07);
}

.page-faq .faq-item__q {
  position: relative;
  display: block;
  padding: 16px 40px 16px 0;
  font-family: var(--lx-font-head);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--lx-ink);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__q::after {
  content: "+";
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--lx-font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--lx-green-600);
  transition: color .18s var(--lx-ease);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2013";
  color: var(--lx-brick);
}

.page-faq .faq-item__q:hover {
  color: var(--lx-green-900);
}

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--lx-yellow);
  outline-offset: 2px;
  border-radius: var(--lx-r-sm);
}

.page-faq .faq-item__a {
  padding: 0 0 18px;
  max-width: 64ch;
}

.page-faq .faq-item__a p {
  margin: 0 0 12px;
  font-family: var(--lx-font-body);
  font-size: 16px;
  line-height: 1.78;
  color: #3B423C;
}

.page-faq .faq-jump {
  display: inline-block;
  padding: 6px 13px;
  border: 1px solid var(--lx-green-300);
  border-radius: 999px;
  background: var(--lx-cream);
  font-family: var(--lx-font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--lx-green-900);
  text-decoration: none;
  transition: background-color .18s var(--lx-ease), border-color .18s var(--lx-ease);
}

.page-faq .faq-jump::after {
  content: " →";
  color: var(--lx-brick);
}

.page-faq .faq-jump:hover {
  background: var(--lx-yellow-soft);
  border-color: var(--lx-yellow);
}

.page-faq .faq-jump:focus-visible {
  outline: 2px solid var(--lx-yellow);
  outline-offset: 2px;
}

/* ---------- 兜底区块 ---------- */

.page-faq .faq-fallback {
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-faq .faq-fallback__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-faq .faq-fallback__lead .lx-eyebrow {
  color: var(--lx-yellow-soft);
}

.page-faq .faq-fallback__lead .lx-title-3 {
  margin: 8px 0 14px;
  color: var(--lx-paper);
  max-width: 22ch;
}

.page-faq .faq-fallback__text {
  margin: 0 0 22px;
  max-width: 42ch;
  font-family: var(--lx-font-body);
  font-size: 16px;
  line-height: 1.75;
  color: rgba(247, 243, 232, .82);
}

.page-faq .faq-fallback__side {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid rgba(247, 243, 232, .22);
  border-radius: var(--lx-r-lg);
  background: rgba(247, 243, 232, .06);
}

.page-faq .faq-fallback__hint {
  margin: 0 0 16px;
  font-family: var(--lx-font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--lx-yellow-soft);
}

.page-faq .faq-fallback__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-faq .faq-fallback__list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-family: var(--lx-font-body);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(247, 243, 232, .9);
}

.page-faq .faq-fallback__list strong {
  color: var(--lx-paper);
  font-weight: 700;
}

.page-faq .faq-fallback__num {
  flex: none;
  font-family: var(--lx-font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--lx-yellow);
}

.page-faq .faq-fallback__side .lx-copy {
  margin-top: 22px;
  color: var(--lx-paper);
  border-color: rgba(247, 243, 232, .34);
  background: rgba(30, 33, 29, .22);
}

.page-faq .faq-fallback__side .lx-copy__text {
  font-family: var(--lx-font-mono);
}

@media (min-width: 860px) {
  .page-faq .faq-fallback__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 80px);
  }
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 640px) {
  .page-faq .faq-hero::after {
    width: 78%;
    height: 52%;
    opacity: .26;
  }

  .page-faq .faq-rail__nav .lx-anchor-nav__link {
    flex: 1 1 calc(50% - 8px);
    font-size: 14px;
    padding: 9px 11px;
  }

  .page-faq .faq-item__q {
    font-size: 16px;
    padding: 14px 34px 14px 0;
  }

  .page-faq .faq-item__a p {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-jump,
  .page-faq .faq-rail__nav .lx-anchor-nav__link {
    transition: none;
  }
}