.page-faq {
  --faq-answer: #CBD3DF;
  background: var(--ink);
  color: var(--white);
  padding-bottom: 88px;
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-faq .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible {
  color: var(--gold);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-lead {
  padding: 34px 0 46px;
}

.page-faq .faq-lead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: start;
}

.page-faq .faq-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--cyan);
}

.page-faq .faq-h1 {
  margin: 0 0 20px;
  max-width: 18ch;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-faq .faq-h1 em {
  font-style: normal;
  color: var(--gold);
}

.page-faq .faq-lead__intro {
  margin: 0;
  max-width: 58ch;
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-facts__label {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-faq .faq-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-faq .faq-facts__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-facts__row dt {
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-faq .faq-facts__row dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-top: 8px;
}

.page-faq .faq-layout {
  display: flex;
  flex-direction: column;
  gap: 34px;
}

/* 分组索引 */
.page-faq .faq-index {
  counter-reset: faqidx;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-faq .faq-index .side-index__link {
  counter-increment: faqidx;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-index .side-index__link::before {
  content: counter(faqidx, decimal-leading-zero);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-faq .faq-index .side-index__link:hover,
.page-faq .faq-index .side-index__link:focus-visible {
  color: var(--gold);
  border-color: var(--amber);
  outline: none;
}

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

.page-faq .faq-index .side-index__link.is-active {
  color: var(--gold);
  border-color: var(--gold);
  background: rgba(242, 193, 78, 0.08);
}

/* 分组 */
.page-faq .faq-groups {
  display: flex;
  flex-direction: column;
  gap: 54px;
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--bar-h-sm) + 26px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
}

.page-faq .faq-group__num {
  margin: 0;
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(19px, 3.6vw, 27px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--white);
}

/* 插图 */
.page-faq .faq-group__figure {
  margin: 0 0 26px;
}

.page-faq .faq-group__figure--square {
  max-width: 360px;
}

.page-faq .faq-group__figure .figure__media {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
}

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

.page-faq .faq-group__figure .figure__cap {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--mist);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa-item {
  border-top: 1px solid var(--line);
}

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

.page-faq .qa-item__q {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 17px 42px 17px 0;
  cursor: pointer;
  list-style: none;
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa-item__q::marker {
  content: "";
}

.page-faq .qa-item__q:hover .qa-item__text {
  color: var(--gold);
}

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

.page-faq .qa-item__q::after {
  content: "+";
  position: absolute;
  right: 2px;
  top: 50%;
  width: 22px;
  height: 22px;
  margin-top: -11px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: 50%;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-faq .qa-item[open] .qa-item__q::after {
  content: "\2212";
  color: var(--gold);
  border-color: var(--amber);
  transform: rotate(180deg);
}

.page-faq .qa-item__num {
  flex: 0 0 auto;
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
  transition: color var(--dur) var(--ease);
}

.page-faq .qa-item[open] .qa-item__num {
  color: var(--gold);
}

.page-faq .qa-item__text {
  font-family: var(--body);
  font-size: 15.5px;
  line-height: 1.55;
  letter-spacing: 0.01em;
  color: var(--white);
  transition: color var(--dur) var(--ease);
}

.page-faq .qa-item__a {
  padding: 4px 22px 22px 34px;
  margin-bottom: 4px;
  background: linear-gradient(180deg, rgba(30, 34, 42, 0.6), rgba(20, 22, 26, 0.92));
  border-left: 2px solid var(--gold);
}

.page-faq .qa-item__a p {
  margin: 0;
  max-width: 60ch;
  font-family: var(--body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--faq-answer);
}

.page-faq .qa-item__a a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 193, 78, 0.4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-faq .qa-item__a a:hover,
.page-faq .qa-item__a a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* ---------- 延伸入口 ---------- */
.page-faq .faq-next {
  padding-top: 72px;
}

.page-faq .faq-next__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-next__title {
  margin: 0;
  font-family: var(--display);
  font-weight: 900;
  font-size: clamp(19px, 3.6vw, 27px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--white);
}

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

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 20px;
  background: var(--ink-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  border-color: var(--gold);
  background: var(--slab);
  transform: translateY(-2px);
  outline: none;
}

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

.page-faq .faq-next__num {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-next__card-title {
  font-family: var(--display);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-faq .faq-next__desc {
  font-family: var(--body);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa-item__text {
    font-size: 16px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-lead {
    padding: 40px 0 58px;
  }

  .page-faq .faq-lead__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: 24px;
  }

  .page-faq .faq-lead__main {
    grid-column: 1 / span 7;
  }

  .page-faq .faq-lead__aside {
    grid-column: 9 / span 4;
  }

  .page-faq .faq-body {
    padding-top: 26px;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 184px minmax(0, 1fr);
    column-gap: 56px;
    align-items: start;
  }

  .page-faq .faq-index {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: calc(var(--bar-h-sm) + 30px);
  }

  .page-faq .faq-index .side-index__link {
    justify-content: flex-start;
    padding: 12px 0;
    border: none;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
    background: none;
    font-size: 12.5px;
  }

  .page-faq .faq-index .side-index__link.is-active {
    background: none;
    border-bottom-color: var(--gold);
  }

  .page-faq .faq-groups {
    gap: 64px;
  }

  .page-faq .qa-item__q {
    padding: 19px 48px 19px 0;
    gap: 22px;
  }

  .page-faq .qa-item__a {
    padding: 6px 28px 26px 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-next__card,
  .page-faq .qa-item__q::after,
  .page-faq .qa-index .side-index__link {
    transition: none;
  }

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