.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(155deg, var(--pitch) 0%, var(--night) 70%);
  color: var(--chalk);
  padding-block: clamp(22px, 4vw, 44px) clamp(34px, 6vw, 70px);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(244, 241, 232, .055) 0 1px, transparent 1px 76px),
    repeating-linear-gradient(0deg, rgba(244, 241, 232, .04) 0 1px, transparent 1px 76px);
  pointer-events: none;
}

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

.page-faq .faq-hero .breadcrumb a,
.page-faq .faq-hero .breadcrumb li {
  color: rgba(244, 241, 232, .68);
}

.page-faq .faq-hero .breadcrumb li[aria-current="page"] {
  color: var(--cyan);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(20px, 3.5vw, 38px);
}

.page-faq .faq-hero .eyebrow {
  color: var(--orange);
}

.page-faq .faq-hero h1 {
  margin: 10px 0 0;
  color: var(--chalk);
  max-width: 20ch;
  line-height: 1.16;
}

.page-faq .faq-hero__text {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: var(--fs-md);
  line-height: 1.8;
  color: rgba(244, 241, 232, .82);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero .ledger-chip {
  background: rgba(244, 241, 232, .07);
  color: var(--chalk);
  border: 1px solid var(--hair-dark);
}

.page-faq .faq-hero .ledger-chip--cyan {
  color: var(--cyan);
}

.page-faq .faq-hero .ledger-chip--paper {
  color: var(--gold);
}

.page-faq .faq-hero__side {
  border: 1px solid var(--hair-dark);
  border-radius: var(--r-lg);
  background: rgba(244, 241, 232, .05);
  padding: clamp(16px, 3vw, 24px);
}

.page-faq .faq-hero__side-title {
  margin: 0 0 14px;
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-quicklist {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  border-top: 1px dashed var(--hair-dark);
}

.page-faq .faq-quicklist li {
  border-bottom: 1px dashed var(--hair-dark);
}

.page-faq .faq-quicklist a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 2px;
  color: var(--chalk);
  text-decoration: none;
  font-size: var(--fs-sm);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-faq .faq-quicklist a:hover {
  color: var(--cyan);
  padding-left: 8px;
}

.page-faq .faq-quicklist .mono {
  color: var(--gold);
  font-size: var(--fs-xs);
  letter-spacing: .06em;
}

.page-faq .faq-hero__side .link-arrow {
  color: var(--orange);
}

/* 工具条 */
.page-faq .faq-toolbar {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-count {
  margin: 0;
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--muted);
}

.page-faq .faq-count span {
  color: var(--pitch);
  font-weight: 700;
}

/* 两栏布局 */
.page-faq .faq-layout {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  margin-top: clamp(22px, 4vw, 40px);
}

.page-faq .faq-index {
  background: var(--night);
  border-radius: var(--r-lg);
  padding: 16px;
  box-shadow: var(--shadow-card);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: var(--fs-xs);
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-faq .faq-index__list li {
  flex: 0 0 auto;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--hair-dark);
  color: var(--chalk);
  text-decoration: none;
  font-size: var(--fs-sm);
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-faq .faq-index__no {
  color: var(--gold);
  font-size: var(--fs-xs);
  letter-spacing: .06em;
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(56, 225, 198, .08);
}

/* 答案组 */
.page-faq .faq-answers {
  display: grid;
  gap: clamp(18px, 3vw, 26px);
  min-width: 0;
}

.page-faq .faq-group {
  background: var(--card);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-lg);
  padding: clamp(18px, 3.2vw, 30px);
  box-shadow: var(--shadow-card);
  scroll-margin-top: 90px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hair);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.35;
  color: var(--pitch);
}

.page-faq .faq-item {
  border-bottom: 1px dashed var(--hair);
}

.page-faq .faq-item:last-of-type {
  border-bottom: 0;
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 34px 16px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-md);
  font-weight: 600;
  line-height: 1.6;
  color: var(--ink);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 1px;
  margin-top: 13px;
  background: var(--gold);
}

.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 4px;
  top: 26px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-item summary:hover {
  color: var(--pitch);
}

.page-faq .faq-item summary:hover::after {
  border-color: var(--cyan);
}

.page-faq .faq-item[open] summary {
  color: var(--pitch);
}

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

.page-faq .faq-item__body {
  padding: 0 0 20px 30px;
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 68ch;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ink);
}

.page-faq .faq-item__body a {
  color: var(--pitch);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  color: var(--orange);
}

.page-faq .faq-figure {
  margin: 18px 0 4px;
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-group__foot {
  margin: 18px 0 0;
}

.page-faq .faq-group__foot .link-arrow {
  color: var(--pitch);
}

.page-faq .faq-group__foot .link-arrow:hover {
  color: var(--orange);
}

.page-faq .filter-empty {
  margin: 0;
  padding: 28px 20px;
  text-align: center;
  border: 1px dashed var(--hair);
  border-radius: var(--r-md);
  color: var(--muted);
  font-size: var(--fs-sm);
}

/* 底部引导 */
.page-faq .faq-cta {
  display: grid;
  gap: 20px;
  margin-top: clamp(28px, 5vw, 52px);
  padding: clamp(22px, 4vw, 38px);
  border-radius: var(--r-lg);
  background: linear-gradient(120deg, var(--night) 0%, var(--pitch) 100%);
  color: var(--chalk);
  box-shadow: var(--shadow-float);
}

.page-faq .faq-cta .eyebrow {
  margin: 0 0 8px;
  color: var(--orange);
}

.page-faq .faq-cta__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-xl);
  letter-spacing: -.01em;
  color: var(--chalk);
}

.page-faq .faq-cta__text p {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: rgba(244, 241, 232, .82);
}

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

.page-faq .faq-cta .btn--ink {
  background: transparent;
  border: 1px solid var(--hair-dark);
  color: var(--chalk);
}

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

@media (min-width: 760px) {
  .page-faq .faq-toolbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }

  .page-faq .faq-cta {
    grid-template-columns: 1.6fr 1fr;
    align-items: center;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 262px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 26px;
    padding: 20px 18px;
  }

  .page-faq .faq-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-index__list li {
    border-bottom: 1px dashed var(--hair-dark);
  }

  .page-faq .faq-index__list li:last-child {
    border-bottom: 0;
  }

  .page-faq .faq-index__list a {
    border: 0;
    border-radius: 0;
    background: transparent;
    padding: 13px 2px;
    white-space: normal;
    line-height: 1.5;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    background: transparent;
    padding-left: 10px;
  }

  .page-faq .faq-group__head {
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
  }

  .page-faq .faq-group__title {
    font-size: var(--fs-xl);
    max-width: 30ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq * {
    transition-duration: 1ms !important;
    animation-duration: 1ms !important;
  }
}