.page-faq {
  --faq-sticky: 92px;
  --faq-item-bg: var(--card);
  --faq-radius: var(--r-md);
  padding-bottom: 24px;
}

.page-faq .breadcrumbs {
  margin-top: 20px;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}

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

.page-faq .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover {
  color: var(--signal);
}

/* 首屏 */
.page-faq .faq-hero {
  padding: 26px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-faq .faq-hero h1 {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(34px, 8vw, 78px);
  line-height: .94;
  letter-spacing: -.025em;
  color: var(--fog);
}

.page-faq .faq-hero__lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--steel);
}

.page-faq .faq-hero__stats .figure {
  font-size: 22px;
}

.page-faq .faq-hero__media {
  margin: 26px 0 0;
}

.page-faq .media {
  border-radius: var(--r-lg);
  overflow: hidden;
}

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

/* 布局 */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 34px 0 56px;
}

/* 索引 */
.page-faq .faq-index {
  min-width: 0;
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--steel);
}

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

.page-faq .faq-index__list::-webkit-scrollbar {
  height: 4px;
}

.page-faq .faq-index__list::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 2px;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, .03);
  color: var(--mist);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur-micro) var(--ease), border-color var(--dur-micro) var(--ease), background-color var(--dur-micro) var(--ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--fog);
  border-color: var(--orange);
  background: rgba(255, 90, 31, .1);
}

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

.page-faq .faq-index__n {
  font-family: var(--font-data);
  font-size: 12px;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-index__count {
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--steel);
}

.page-faq .faq-index__foot {
  margin: 14px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--signal);
  background: rgba(255, 197, 61, .07);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-index__foot a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 197, 61, .5);
}

.page-faq .faq-index__foot a:hover {
  color: var(--fog);
}

/* 分组 */
.page-faq .faq-body {
  min-width: 0;
}

.page-faq .faq-group {
  padding: 0 0 40px;
  scroll-margin-top: 78px;
}

.page-faq .faq-group + .faq-group {
  border-top: 1px dashed var(--line);
  padding-top: 34px;
}

.page-faq .faq-group__head {
  margin-bottom: 18px;
}

.page-faq .faq-group__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(26px, 5vw, 42px);
  line-height: 1.02;
  letter-spacing: -.02em;
  color: var(--fog);
}

.page-faq .faq-group__desc {
  margin: 10px 0 0;
  max-width: 44ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* 问答手风琴 */
.page-faq .faq-list {
  display: grid;
  gap: 10px;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--faq-item-bg);
  transition: border-color var(--dur-panel) var(--ease), background-color var(--dur-panel) var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(255, 90, 31, .45);
  background: linear-gradient(180deg, rgba(255, 90, 31, .07), rgba(25, 31, 33, .9) 46%);
}

.page-faq .faq-item summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: -2px;
  border-radius: var(--faq-radius);
}

.page-faq .faq-item__n {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  line-height: 1.6;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--fog);
}

.page-faq .faq-item__sign {
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin-top: 4px;
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--signal);
  transform: translateY(-50%);
  transition: transform var(--dur-panel) var(--ease), opacity var(--dur-micro) var(--ease);
}

.page-faq .faq-item__sign::after {
  transform: translateY(-50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign::after {
  transform: translateY(-50%) rotate(0deg);
  opacity: 0;
}

.page-faq .faq-item__a {
  padding: 0 16px 18px 16px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
}

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

.page-faq .faq-item__a ol {
  margin: 0 0 10px;
  padding-left: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-item__a ol > li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 8px;
  counter-increment: faqstep;
}

.page-faq .faq-item__a ol > li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--font-data);
  font-size: 11px;
  color: var(--signal);
  border: 1px solid rgba(255, 197, 61, .35);
  border-radius: var(--r-sm);
  padding: 0 4px;
}

.page-faq .faq-item__a a {
  color: var(--orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 90, 31, .45);
}

.page-faq .faq-item__a a:hover {
  color: var(--signal);
}

.page-faq .faq-item__next {
  margin-top: 12px;
  font-size: 13px;
}

.page-faq .faq-item__next a {
  display: inline-block;
  color: var(--signal);
  border-bottom: 1px solid rgba(255, 197, 61, .5);
}

.page-faq .faq-contact {
  display: grid;
  gap: 8px;
  margin: 0 0 6px;
  padding: 0;
  list-style: none;
}

.page-faq .faq-contact li {
  display: grid;
  gap: 2px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  background: rgba(47, 74, 63, .32);
}

.page-faq .faq-contact span {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--steel);
}

.page-faq .faq-contact strong {
  font-family: var(--font-data);
  font-size: 14px;
  font-weight: 600;
  color: var(--fog);
  word-break: break-word;
}

/* 红黄牌分组图文 */
.page-faq .faq-group__body--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: start;
}

.page-faq .faq-media {
  margin: 0;
}

.page-faq .faq-media img {
  max-height: 420px;
}

/* 下一步 */
.page-faq .faq-next {
  margin-top: 8px;
  padding: 26px 0 8px;
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-next h2 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 4vw, 32px);
  letter-spacing: -.01em;
  color: var(--fog);
}

.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-faq .faq-next__card {
  display: grid;
  gap: 4px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
  color: var(--mist);
  text-decoration: none;
  transition: border-color var(--dur-micro) var(--ease), transform var(--dur-panel) var(--ease);
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

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

.page-faq .faq-next__card--orange {
  border-left: 3px solid var(--orange);
  background: linear-gradient(120deg, rgba(255, 90, 31, .14), var(--panel) 62%);
}

.page-faq .faq-next__card--signal {
  border-left: 3px solid var(--signal);
  background: linear-gradient(120deg, rgba(255, 197, 61, .12), var(--panel) 62%);
}

.page-faq .faq-next__n {
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--steel);
}

.page-faq .faq-next__card strong {
  font-size: 15px;
  color: var(--fog);
}

.page-faq .faq-next__card span:last-child {
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel);
}

.page-faq .faq-next__top {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .faq-next__top a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px dashed var(--line-strong);
}

.page-faq .faq-next__top a:hover {
  color: var(--signal);
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-faq .faq-hero__lead {
    font-size: 17px;
  }

  .page-faq .faq-item summary {
    padding: 17px 20px;
  }

  .page-faq .faq-item__a {
    padding: 0 20px 20px 20px;
    font-size: 15px;
  }

  .page-faq .faq-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 桌面：左索引 + 右手风琴 */
@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding: 40px 0 36px;
  }

  .page-faq .faq-hero__media img {
    max-height: 380px;
  }

  .page-faq .faq-layout {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 56px;
    padding: 48px 0 76px;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky);
    padding-right: 8px;
    border-right: 1px solid var(--line);
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__link {
    width: 100%;
    justify-content: flex-start;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    background: transparent;
    padding: 11px 12px;
    white-space: normal;
  }

  .page-faq .faq-index__link:hover,
  .page-faq .faq-index__link:focus-visible {
    border-left-color: var(--orange);
    background: rgba(255, 90, 31, .08);
  }

  .page-faq .faq-index__count {
    margin-left: auto;
  }

  .page-faq .faq-group {
    scroll-margin-top: var(--faq-sticky);
  }

  .page-faq .faq-group__body--split {
    grid-template-columns: minmax(0, 1fr) 208px;
    gap: 22px;
  }

  .page-faq .faq-media img {
    max-height: 340px;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-layout {
    grid-template-columns: 296px minmax(0, 1fr);
    gap: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item,
  .page-faq .faq-index__link,
  .page-faq .faq-next__card,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after {
    transition: none;
  }

  .page-faq .faq-next__card:hover {
    transform: none;
  }
}