.page-faq {
  --faq-toc-w: 264px;
  --faq-radius: var(--bw-radius-sm);
}

/* 首屏 */
.page-faq .faq-hero {
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-faq .faq-hero .bw-breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-faq .faq-hero__title {
  max-width: 20ch;
  margin: 10px 0 0;
}

.page-faq .faq-hero__lede {
  max-width: 68ch;
  margin-top: 20px;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--bw-line-soft);
  border-top: 1px solid var(--bw-line);
  border-bottom: 1px solid var(--bw-line);
}

.page-faq .faq-hero__stat {
  padding: 18px 16px 18px 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-faq .faq-hero__num {
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 600;
  color: var(--bw-signal);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-hero__cap {
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--bw-mist);
}

/* 主体布局 */
.page-faq .faq-main {
  padding-top: clamp(32px, 5vw, 64px);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

/* 索引侧栏 */
.page-faq .faq-toc {
  border: 1px solid var(--bw-line);
  border-radius: var(--bw-radius);
  padding: 20px 18px;
  background: rgba(28, 36, 34, 0.55);
}

.page-faq .faq-toc__title {
  margin: 0 0 14px;
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--bw-mist);
}

.page-faq .faq-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 10px;
}

.page-faq .faq-toc__link {
  display: flex;
  gap: 9px;
  align-items: baseline;
  padding: 8px 6px;
  border-radius: var(--faq-radius);
  color: var(--bw-cream);
  text-decoration: none;
  font-size: 0.92rem;
  line-height: 1.4;
  transition: background-color 0.25s var(--bw-ease), color 0.25s var(--bw-ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  background: rgba(230, 255, 63, 0.1);
  color: var(--bw-signal);
}

.page-faq .faq-toc__link:focus-visible {
  outline: 2px solid var(--bw-signal);
  outline-offset: 2px;
}

.page-faq .faq-toc__num {
  flex: none;
  font-size: 0.74rem;
  color: var(--bw-signal);
  opacity: 0.85;
}

.page-faq .faq-toc__card {
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px dashed var(--bw-line);
}

.page-faq .faq-toc__card-text {
  margin: 0 0 14px;
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--bw-mist);
}

.page-faq .faq-toc__card-btn {
  width: 100%;
  justify-content: center;
}

/* 问答分组 */
.page-faq .faq-body {
  display: flex;
  flex-direction: column;
  gap: clamp(36px, 6vw, 72px);
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: 96px;
  min-width: 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px 16px;
  align-items: start;
  padding-bottom: 18px;
  border-bottom: 2px solid var(--bw-moss);
}

.page-faq .faq-group__num {
  font-size: 0.86rem;
  color: var(--bw-signal);
  padding-top: 8px;
}

.page-faq .faq-group__title {
  margin: 0;
  line-height: 1.15;
}

.page-faq .faq-group__desc {
  margin: 10px 0 0;
  max-width: 62ch;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--bw-mist);
}

.page-faq .faq-group__icon {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(63, 107, 74, 0.35);
  color: var(--bw-signal);
}

.page-faq .faq-group__icon svg {
  width: 20px;
  height: 20px;
}

/* 折叠问答 */
.page-faq .faq-list {
  margin-top: 6px;
}

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

.page-faq .faq-item:first-child {
  border-top: 1px solid var(--bw-line);
}

.page-faq .faq-q {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--bw-cream);
  transition: color 0.25s var(--bw-ease);
}

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

.page-faq .faq-q:hover {
  color: var(--bw-signal);
}

.page-faq .faq-q:focus-visible {
  outline: 2px solid var(--bw-signal);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-faq .faq-q::after {
  content: "";
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: 9px;
  border-right: 2px solid var(--bw-clay);
  border-bottom: 2px solid var(--bw-clay);
  transform: rotate(45deg);
  transition: transform 0.32s var(--bw-ease), border-color 0.25s var(--bw-ease);
}

.page-faq .faq-item[open] .faq-q {
  color: var(--bw-signal);
}

.page-faq .faq-item[open] .faq-q::after {
  transform: rotate(-135deg);
  border-color: var(--bw-signal);
}

.page-faq .faq-a {
  padding: 0 30px 22px 4px;
}

.page-faq .faq-a p {
  margin: 0;
  max-width: 74ch;
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--bw-mist);
}

/* 配图 */
.page-faq .faq-figure {
  margin: clamp(24px, 4vw, 38px) 0 0;
}

.page-faq .faq-figure .bw-frame {
  border-radius: var(--bw-radius);
  overflow: hidden;
  background: var(--bw-grad);
}

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

.page-faq .faq-figure .bw-note {
  margin-top: 14px;
}

/* 结尾行动区 */
.page-faq .faq-cta {
  margin-top: clamp(30px, 5vw, 52px);
  padding: clamp(24px, 4vw, 38px);
  border-radius: var(--bw-radius);
  background: linear-gradient(135deg, rgba(10, 61, 58, 0.9) 0%, rgba(45, 125, 255, 0.28) 100%);
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.page-faq .faq-cta__lead {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--bw-cream);
}

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

@media (min-width: 560px) {
  .page-faq .faq-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-hero__stat {
    padding: 20px 20px 20px 0;
  }

  .page-faq .faq-cta {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .page-faq .faq-cta__actions {
    flex: none;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 68px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 104px;
    padding: 24px 20px;
  }

  .page-faq .faq-toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-faq .faq-q {
    font-size: 1.08rem;
    padding: 22px 4px;
  }

  .page-faq .faq-group__title {
    font-size: clamp(1.7rem, 2.4vw, 2.2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-q::after,
  .page-faq .faq-toc__link,
  .page-faq .faq-q {
    transition: none;
  }
}