.page-faq {
  --faq-rail: 236px;
  --faq-gap: 48px;
  --faq-ink: #131716;
  --faq-ink-soft: #4a514d;
  --faq-card-bg: #E4DACB;
  --faq-card-bg-hover: #DCD0BC;
  background: var(--yb-paper);
  color: var(--faq-ink);
}

.page-faq .faq-sr-title {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ============ 首屏 ============ */
.page-faq .faq-hero {
  position: relative;
  padding: 88px 0 0;
  overflow: hidden;
  color: var(--yb-paper);
  background:
    radial-gradient(90% 70% at 84% 6%, rgba(200, 240, 75, .12), transparent 62%),
    radial-gradient(70% 90% at 2% 102%, rgba(180, 118, 58, .20), transparent 60%),
    linear-gradient(158deg, #0C2B25 0%, #14453A 52%, #0A241F 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(228, 218, 203, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(228, 218, 203, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 88%);
}

.page-faq .faq-hero .yb-shell {
  position: relative;
  z-index: 1;
}

.page-faq .faq-hero .yb-crumb__link,
.page-faq .faq-hero .yb-crumb__sep,
.page-faq .faq-hero .yb-crumb__current {
  color: var(--yb-text-dim);
}

.page-faq .faq-hero .yb-crumb__link:hover,
.page-faq .faq-hero .yb-crumb__link:focus-visible {
  color: var(--yb-copper-lt);
}

.page-faq .faq-hero__eyebrow {
  margin: 26px 0 0;
  color: var(--yb-lime);
  letter-spacing: .14em;
}

.page-faq .faq-hero__title {
  margin: 14px 0 0;
  max-width: 900px;
  font-family: var(--yb-font-display);
  font-weight: 900;
  font-size: clamp(1.875rem, 5.4vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--yb-paper);
}

.page-faq .faq-hero__lede {
  margin: 22px 0 0;
  max-width: 40em;
  font-family: var(--yb-font-body);
  font-size: var(--yb-fs-16);
  line-height: 1.78;
  color: var(--yb-text-soft);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stat {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: var(--yb-fs-14);
  line-height: 1.6;
  color: var(--yb-text-dim);
}

.page-faq .faq-hero__stat b {
  font-family: var(--yb-font-data);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--yb-lime);
  letter-spacing: .01em;
}

.page-faq .faq-hero__figure {
  position: relative;
  z-index: 1;
  margin: 54px 0 0;
  padding: 0 24px;
  border-top: 1px solid var(--yb-line);
  border-radius: var(--yb-r-img) var(--yb-r-img) 0 0;
  overflow: hidden;
  background: rgba(46, 93, 76, .28);
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  max-width: var(--yb-shell);
  margin: 0 auto;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ============ 主体 ============ */
.page-faq .faq-main {
  padding: 64px 0 96px;
  background: var(--yb-paper);
}

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

/* ---- 左侧索引 ---- */
.page-faq .faq-index {
  position: relative;
}

.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--yb-font-headline);
  font-size: var(--yb-fs-14);
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--yb-rock);
}

.page-faq .faq-index__list {
  position: relative;
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0 0 0 18px;
  list-style: none;
}

.page-faq .faq-index__list::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(180, 118, 58, .55), rgba(180, 118, 58, .10));
}

.page-faq .faq-index__item {
  min-width: 0;
}

.page-faq .faq-index__link {
  position: relative;
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 8px 9px 6px;
  border-radius: 10px;
  color: var(--faq-ink);
  text-decoration: none;
  font-size: var(--yb-fs-14);
  line-height: 1.55;
  transition: background-color .2s ease, color .2s ease;
}

.page-faq .faq-index__link::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 15px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--yb-paper);
  border: 1.5px solid var(--yb-copper);
  transition: background-color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  background: rgba(180, 118, 58, .12);
  color: var(--faq-ink);
}

.page-faq .faq-index__link:hover::before,
.page-faq .faq-index__link:focus-visible::before {
  background: var(--yb-lime);
  border-color: var(--yb-copper-lt);
  box-shadow: 0 0 0 3px rgba(200, 240, 75, .30);
}

.page-faq .faq-index__link:focus-visible {
  outline: 2px solid var(--yb-lime);
  outline-offset: 2px;
}

.page-faq .faq-index__num {
  flex: none;
  font-family: var(--yb-font-data);
  font-size: var(--yb-fs-12);
  letter-spacing: .06em;
  color: var(--yb-copper);
}

.page-faq .faq-index__text {
  display: block;
  min-width: 0;
}

/* ---- 筛选 chip ---- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 30px;
  padding: 0 0 22px;
  border-bottom: 1px solid rgba(19, 23, 22, .14);
}

.page-faq .faq-filter .yb-chip {
  padding: 7px 16px;
  border: 1px solid rgba(19, 23, 22, .18);
  border-radius: 10px;
  background: transparent;
  color: var(--faq-ink);
  font-family: var(--yb-font-body);
  font-size: var(--yb-fs-14);
  line-height: 1.4;
  cursor: pointer;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease;
}

.page-faq .faq-filter .yb-chip:hover {
  border-color: var(--yb-copper);
  background: rgba(180, 118, 58, .10);
}

.page-faq .faq-filter .yb-chip[data-chip-active],
.page-faq .faq-filter .yb-chip[aria-pressed="true"] {
  border-color: var(--yb-copper);
  background: rgba(180, 118, 58, .16);
  font-weight: 700;
}

.page-faq .faq-filter .yb-chip:focus-visible {
  outline: 2px solid var(--yb-copper);
  outline-offset: 2px;
}

/* ---- 答案卡片 ---- */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-card {
  position: relative;
  margin: 0 0 28px;
  padding: 30px 28px 26px;
  border: 1px solid rgba(180, 118, 58, .30);
  border-radius: var(--yb-r-card);
  background: var(--faq-card-bg);
  color: var(--faq-ink);
  scroll-margin-top: 110px;
  transition: border-color .24s ease, background-color .24s ease;
}

.page-faq .faq-card:hover {
  border-color: var(--yb-copper);
  background: var(--faq-card-bg-hover);
}

.page-faq .faq-card:target {
  border-color: var(--yb-copper);
  box-shadow: 0 0 0 3px rgba(180, 118, 58, .20);
}

.page-faq .faq-card__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-faq .faq-card__num {
  flex: none;
  font-family: var(--yb-font-data);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--yb-copper);
  letter-spacing: .02em;
}

.page-faq .faq-card__q {
  margin: 0;
  font-family: var(--yb-font-headline);
  font-size: 1.375rem;
  font-weight: 700;
  line-height: 1.36;
  color: var(--faq-ink);
}

.page-faq .faq-card p {
  max-width: 44em;
  margin: 0 0 14px;
  font-family: var(--yb-font-body);
  font-size: var(--yb-fs-16);
  line-height: 1.78;
  color: var(--faq-ink);
}

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

/* 编号步骤 */
.page-faq .faq-steps {
  counter-reset: faqstep;
  display: grid;
  gap: 10px;
  max-width: 44em;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-steps li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-family: var(--yb-font-body);
  font-size: var(--yb-fs-16);
  line-height: 1.74;
  color: var(--faq-ink);
}

.page-faq .faq-steps li::before {
  counter-increment: faqstep;
  content: counter(faqstep);
  flex: none;
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  margin-top: 2px;
  border: 1.5px solid var(--yb-copper);
  border-radius: 8px;
  background: rgba(246, 242, 234, .58);
  font-family: var(--yb-font-data);
  font-size: var(--yb-fs-12);
  font-weight: 700;
  color: var(--yb-copper);
}

/* 字段说明 */
.page-faq .faq-fields {
  display: grid;
  gap: 10px;
  max-width: 44em;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-fields li {
  display: grid;
  gap: 3px;
  padding: 12px 14px;
  border-radius: 10px;
  border-left: 3px solid var(--yb-copper);
  background: rgba(246, 242, 234, .64);
}

.page-faq .faq-fields b {
  font-family: var(--yb-font-headline);
  font-size: var(--yb-fs-16);
  font-weight: 700;
  color: var(--faq-ink);
}

.page-faq .faq-fields span {
  font-size: var(--yb-fs-14);
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* 卡片尾注 */
.page-faq .faq-card__foot {
  max-width: 44em;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid rgba(19, 23, 22, .16);
  font-size: var(--yb-fs-14);
  line-height: 1.72;
  color: var(--faq-ink-soft);
}

.page-faq .faq-link {
  color: #8A5620;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(180, 118, 58, .55);
  transition: color .2s ease, text-decoration-color .2s ease;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--yb-copper);
  text-decoration-color: var(--yb-copper);
}

.page-faq .faq-link:focus-visible {
  outline: 2px solid var(--yb-copper);
  outline-offset: 2px;
  border-radius: 4px;
}

/* 纠错卡片配图 */
.page-faq .faq-card__media {
  margin: 22px 0 0;
  border: 1px solid rgba(180, 118, 58, .32);
  border-radius: var(--yb-r-img);
  overflow: hidden;
  background: rgba(46, 93, 76, .16);
}

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

/* ============ 响应式 ============ */
@media (max-width: 959px) {
  .page-faq .faq-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 10px;
    padding-left: 0;
  }

  .page-faq .faq-index__list::before,
  .page-faq .faq-index__link::before {
    display: none;
  }

  .page-faq .faq-index__link {
    padding-left: 10px;
    background: rgba(228, 218, 203, .55);
  }
}

@media (min-width: 820px) {
  .page-faq .faq-card--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 30px;
    align-items: start;
  }

  .page-faq .faq-card--split .faq-card__media {
    margin-top: 6px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-rail) minmax(0, 1fr);
    gap: var(--faq-gap);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-card {
    padding: 34px 34px 30px;
  }
}

@media (max-width: 640px) {
  .page-faq .faq-hero {
    padding-top: 62px;
  }

  .page-faq .faq-hero__lede {
    font-size: var(--yb-fs-16);
  }

  .page-faq .faq-hero__stats {
    gap: 10px 22px;
    margin-top: 26px;
  }

  .page-faq .faq-hero__figure {
    margin-top: 38px;
    padding: 0 16px;
  }

  .page-faq .faq-main {
    padding: 46px 0 72px;
  }

  .page-faq .faq-card {
    padding: 24px 20px 22px;
  }

  .page-faq .faq-card__q {
    font-size: 1.1875rem;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-index__link,
  .page-faq .faq-index__link::before,
  .page-faq .faq-filter .yb-chip,
  .page-faq .faq-link {
    transition-duration: .01ms;
  }
}