.page-faq .faq-hero {
  background: linear-gradient(160deg, var(--cream) 0%, var(--sage) 100%);
  border-bottom: 1px solid var(--hair-strong);
  padding-block: clamp(22px, 4vw, 44px) clamp(26px, 5vw, 52px);
}
.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(20px, 4vw, 44px);
  align-items: center;
}
.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--seed);
  margin: 10px 0 0;
  max-width: 15em;
}
.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  font-size: clamp(16px, 2.2vw, 18px);
  line-height: 1.85;
  color: var(--ink-soft);
  max-width: 36em;
}
.page-faq .faq-hero__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--seed);
  border-left: 4px solid var(--kiwi);
  padding-left: 12px;
  max-width: 32em;
}
.page-faq .faq-hero__fig {
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--hair-strong);
  box-shadow: 8px 8px 0 rgba(95, 174, 63, .22);
}
.page-faq .faq-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}
.page-faq .faq-hero__cap {
  display: block;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--ink-soft);
  border-top: 1px solid var(--hair);
}

/* 热门问题横滑条 */
.page-faq .faq-hot {
  background: var(--paper);
  border-bottom: 1px solid var(--hair-strong);
  padding-block: 12px;
}
.page-faq .faq-hot__inner {
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-faq .faq-hot__label {
  flex: 0 0 auto;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--berry);
  border: 1px solid var(--berry);
  padding: 4px 8px;
  white-space: nowrap;
}
.page-faq .faq-hot__rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
  scroll-snap-type: x proximity;
}
.page-faq .faq-hot__link {
  flex: 0 0 auto;
  text-decoration: none;
  white-space: nowrap;
  scroll-snap-align: start;
}

/* 主体：左索引 + 右问答 */
.page-faq .faq-shell {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  padding-block: clamp(24px, 4vw, 48px) clamp(40px, 6vw, 84px);
}
.page-faq .faq-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--ink-soft);
}
.page-faq .faq-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-faq .faq-index__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: 0 0 auto;
  padding: 9px 14px;
  background: var(--paper);
  border: 1px solid var(--hair-strong);
  color: var(--seed);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
}
.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--indigo);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: var(--kiwi);
  border-color: var(--seed);
  transform: translateY(-2px);
}
.page-faq .faq-index__link:hover .faq-index__num,
.page-faq .faq-index__link:focus-visible .faq-index__num {
  color: var(--seed);
}

/* 章节 */
.page-faq .faq-section {
  margin-bottom: clamp(30px, 5vw, 56px);
  scroll-margin-top: 24px;
}
.page-faq .faq-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 2px solid var(--seed);
  padding-bottom: 10px;
  margin-bottom: 6px;
}
.page-faq .faq-section__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--berry);
  letter-spacing: .08em;
}
.page-faq .faq-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--seed);
}

/* 折叠问答 */
.page-faq .faq-list {
  border-bottom: 1px solid var(--hair);
}
.page-faq .faq-item {
  border-top: 1px solid var(--hair);
}
.page-faq .faq-item:first-child {
  border-top: 0;
}
.page-faq .faq-item__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 4px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(16px, 2.1vw, 18px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--seed);
  transition: color .2s var(--ease), background .2s var(--ease);
}
.page-faq .faq-item__sum::-webkit-details-marker {
  display: none;
}
.page-faq .faq-item__sum:hover {
  color: var(--berry);
}
.page-faq .faq-item__sum:focus-visible {
  outline: 2px solid var(--kiwi);
  outline-offset: 3px;
}
.page-faq .faq-item__n {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--kiwi);
  letter-spacing: .06em;
  padding-top: 3px;
}
.page-faq .faq-item__q {
  flex: 1 1 auto;
}
.page-faq .faq-item__mark {
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  border: 1px solid var(--hair-strong);
  position: relative;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--seed);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.page-faq .faq-item__mark::before {
  width: 10px;
  height: 1.5px;
}
.page-faq .faq-item__mark::after {
  width: 1.5px;
  height: 10px;
  transition: opacity .2s var(--ease);
}
.page-faq .faq-item[open] .faq-item__mark {
  background: var(--kiwi);
  border-color: var(--seed);
}
.page-faq .faq-item[open] .faq-item__mark::after {
  opacity: 0;
}
.page-faq .faq-item__body {
  padding: 0 4px 18px 4px;
  max-width: 36em;
}
.page-faq .faq-item__body p {
  margin: 0;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.9;
  color: var(--ink-soft);
}
.page-faq .faq-item__body a {
  color: var(--indigo);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.page-faq .faq-item__body a:hover {
  color: var(--berry);
}
.page-faq .ver {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .88em;
  padding: 1px 6px;
  background: var(--lime);
  color: var(--seed);
  border-radius: 2px;
  white-space: nowrap;
}
.page-faq .faq-mail {
  font-family: var(--font-mono);
  font-size: .9em;
  color: var(--berry);
  word-break: break-all;
  border-bottom: 1px dashed var(--berry);
}

/* 移动端适配区块 */
.page-faq .faq-section--mobile {
  background: var(--sage);
  border-top: 1px solid var(--hair-strong);
  border-bottom: 1px solid var(--hair-strong);
  padding: clamp(18px, 3vw, 30px) clamp(14px, 3vw, 28px) clamp(8px, 2vw, 14px);
}
.page-faq .faq-mobile-grid {
  display: grid;
  gap: clamp(16px, 3vw, 28px);
  align-items: start;
}
.page-faq .faq-mobile-fig {
  margin: 0;
  background: var(--paper);
  border: 1px solid var(--hair-strong);
}
.page-faq .faq-mobile-fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 5.2;
  object-fit: cover;
}
.page-faq .faq-mobile-fig__cap {
  display: block;
  padding: 9px 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  color: var(--ink-soft);
  border-top: 1px solid var(--hair);
}

/* 更多帮助 */
.page-faq .faq-more {
  background: var(--peel);
  color: var(--cream);
  padding: clamp(22px, 4vw, 38px);
  scroll-margin-top: 24px;
}
.page-faq .faq-more__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lime);
}
.page-faq .faq-more h2 {
  margin: 10px 0 22px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.8vw, 36px);
  line-height: 1.18;
  color: var(--cream);
  max-width: 16em;
}
.page-faq .faq-more__grid {
  display: grid;
  gap: 12px;
}
.page-faq .faq-more__card {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: rgba(247, 243, 232, .06);
  border: 1px solid var(--hair-light);
  color: var(--cream);
  text-decoration: none;
  transition: background .25s var(--ease), transform .25s var(--ease), border-color .25s var(--ease);
}
.page-faq .faq-more__card:hover,
.page-faq .faq-more__card:focus-visible {
  background: rgba(199, 243, 107, .14);
  border-color: var(--lime);
  transform: translateY(-3px);
}
.page-faq .faq-more__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  letter-spacing: .12em;
}
.page-faq .faq-more__title {
  font-size: clamp(17px, 2.2vw, 20px);
  font-weight: 700;
}
.page-faq .faq-more__desc {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(247, 243, 232, .82);
}

@media (min-width: 760px) {
  .page-faq .faq-more__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-mobile-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr);
  }
  .page-faq .faq-item__body {
    padding-left: 42px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }
  .page-faq .faq-index {
    position: sticky;
    top: 20px;
  }
  .page-faq .faq-index__list {
    flex-direction: column;
    overflow: visible;
  }
  .page-faq .faq-index__link {
    width: 100%;
    transition: background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease);
  }
  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    transform: translateX(4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__link,
  .page-faq .faq-item__sum,
  .page-faq .faq-item__mark,
  .page-faq .faq-more__card {
    transition: none;
  }
  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible,
  .page-faq .faq-more__card:hover,
  .page-faq .faq-more__card:focus-visible {
    transform: none;
  }
}