.page-faq {
  display: block;
  padding-bottom: 0;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-faq .breadcrumb {
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: clamp(24px, 4vw, 48px);
}

.page-faq .breadcrumb a {
  color: var(--muted);
  border-bottom: 1px solid transparent;
  transition: color var(--t-micro) var(--ease), border-color var(--t-micro) var(--ease);
}

.page-faq .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--grid);
}

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

.page-faq .faq-hero__lead h1 {
  font-size: var(--fs-display);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.03em;
  margin: 14px 0 20px;
  max-width: 13ch;
}

.page-faq .faq-hero__lead .lede {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
  max-width: 58ch;
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  border-top: 1px solid var(--grid);
  padding-top: 20px;
}

.page-faq .faq-stat dt {
  font-size: var(--fs-caption);
  color: var(--faint);
  margin-bottom: 8px;
  letter-spacing: 0.06em;
}

.page-faq .faq-stat dd {
  margin: 0;
  font-family: var(--font-data);
  font-weight: 500;
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  line-height: 1;
  color: var(--cyan);
}

.page-faq .faq-hero__figure {
  margin: clamp(36px, 5vw, 64px) 0 0;
}

.page-faq .faq-hero__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  border-radius: var(--r-lg);
}

.page-faq .faq-hero__figure .media__caption {
  margin-top: 12px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--faint);
}

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter {
  padding: clamp(40px, 6vw, 76px) 0 clamp(18px, 2vw, 28px);
}

.page-faq .faq-filter__label {
  display: block;
  font-family: var(--font-data);
  font-size: var(--fs-caption);
  letter-spacing: 0.18em;
  color: var(--faint);
  margin-bottom: 14px;
}

.page-faq .faq-filter__btns {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

.page-faq .faq-tab {
  flex: 0 0 auto;
  padding: 9px 18px;
  border: 1px solid var(--grid);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-head);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  transition: color var(--t-state) var(--ease), border-color var(--t-state) var(--ease), background-color var(--t-state) var(--ease);
}

.page-faq .faq-tab:hover {
  color: var(--text);
  border-color: var(--cyan-dim);
}

.page-faq .faq-tab[aria-pressed="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

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

/* ---------- 分组 ---------- */
.page-faq .faq-groups {
  display: grid;
  gap: 0;
}

.page-faq .faq-group {
  border-top: 1px solid var(--grid);
  padding: clamp(32px, 4.5vw, 56px) 0;
}

.page-faq .faq-group__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 20px;
  margin-bottom: 24px;
}

.page-faq .faq-group__index {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 7px;
}

.page-faq .faq-group__title {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.35;
  margin: 0 0 10px;
  max-width: 24ch;
}

.page-faq .faq-group__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-faq .faq-group__body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* ---------- 问题列表 ---------- */
.page-faq .faq-list {
  border-top: 1px solid var(--grid-soft);
}

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

.page-faq .faq-item summary {
  list-style: none;
}

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

.page-faq .faq-item__head {
  display: grid;
  grid-template-columns: 3.2em minmax(0, 1fr) 14px;
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  cursor: pointer;
}

.page-faq .faq-item__head:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 4px;
}

.page-faq .faq-item__num {
  font-family: var(--font-data);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--faint);
  padding-top: 5px;
}

.page-faq .faq-item__q {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--text);
  transition: color var(--t-micro) var(--ease);
}

.page-faq .faq-item__head:hover .faq-item__q {
  color: var(--cyan);
}

.page-faq .faq-item__caret {
  justify-self: end;
  width: 9px;
  height: 9px;
  margin-top: 9px;
  border-right: 1.5px solid var(--orange);
  border-bottom: 1.5px solid var(--orange);
  transform: rotate(45deg);
  transition: transform var(--t-state) var(--ease);
}

.page-faq .faq-item[open] .faq-item__caret {
  transform: rotate(-135deg);
}

.page-faq .faq-item__body {
  background: var(--ink);
  border-radius: var(--r-md);
  padding: 20px 22px;
  margin: 0 0 20px 0;
}

.page-faq .faq-item__body p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 66ch;
}

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

.page-faq .faq-item__link {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 0.8125rem;
  letter-spacing: 0.03em;
  color: var(--cyan);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--grid);
  transition: border-color var(--t-micro) var(--ease), color var(--t-micro) var(--ease);
}

.page-faq .faq-item__link::after {
  content: " →";
}

.page-faq .faq-item__link:hover {
  border-bottom-color: var(--cyan);
}

.page-faq .faq-item__link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* ---------- 分组配图 ---------- */
.page-faq .faq-group__figure {
  margin: 0;
  max-width: 340px;
}

.page-faq .faq-group__figure .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--r-lg);
}

.page-faq .faq-group__figure .media__caption {
  margin-top: 12px;
  font-size: 0.75rem;
  line-height: 1.6;
  color: var(--faint);
}

/* ---------- 收尾入口 ---------- */
.page-faq .faq-cta {
  border-top: 1px solid var(--grid);
  padding: clamp(40px, 5vw, 72px) 0 clamp(56px, 7vw, 96px);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-faq .faq-cta__inner h2 {
  font-size: var(--fs-h2);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.4;
  margin: 12px 0 14px;
  max-width: 22ch;
}

.page-faq .faq-cta__inner p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9375rem;
  line-height: 1.8;
  max-width: 60ch;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 768px) {
  .page-faq .faq-item__body {
    margin-left: 3.2em;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 80px);
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-group--media .faq-group__body {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: clamp(32px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-group--media .faq-group__figure {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .page-faq .faq-hero__stats {
    gap: 12px;
  }

  .page-faq .faq-item__head {
    grid-template-columns: 2.6em minmax(0, 1fr) 12px;
    gap: 10px;
  }

  .page-faq .faq-item__body {
    padding: 16px 16px;
  }

  .page-faq .faq-group__figure {
    max-width: none;
  }
}