.page-faq {
  background: var(--ink-950);
  color: var(--paper);
  overflow-x: clip;
}

.page-faq__crumbs {
  padding-top: 1.25rem;
  padding-bottom: .5rem;
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 1.5rem 0 3.75rem;
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .3;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(115% 85% at 88% 0%, rgba(198, 255, 74, .16), transparent 62%),
    linear-gradient(180deg, rgba(7, 26, 20, .4) 0%, rgba(7, 26, 20, .92) 78%, var(--ink-950) 100%);
}

.page-faq .faq-hero__inner {
  position: relative;
}

.page-faq .faq-hero__title {
  margin: .7rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 8.4vw, 4.9rem);
  line-height: 1.02;
  letter-spacing: -.02em;
  max-width: 15ch;
}

.page-faq .faq-hero__lede {
  margin: 1.1rem 0 0;
  max-width: 46ch;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(242, 239, 230, .86);
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem 1.6rem;
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding-left: .75rem;
  border-left: 2px solid var(--gold-deep);
}

.page-faq .faq-hero__stat-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .02em;
  color: var(--lime);
}

.page-faq .faq-hero__stat-label {
  font-size: .8rem;
  color: var(--fog);
}

/* 快速定位条 + 热门问题 */
.page-faq .faq-find {
  padding: 0 0 3.25rem;
}

.page-faq .faq-find__bar {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  margin-top: -2rem;
  padding: .95rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background: var(--glass);
  backdrop-filter: blur(14px);
  box-shadow: 0 22px 48px rgba(0, 0, 0, .42);
}

.page-faq .faq-find__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-faq .faq-chips {
  display: flex;
  gap: .45rem;
  overflow-x: auto;
  padding-bottom: .2rem;
  scrollbar-width: none;
}

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

.page-faq .faq-chips a {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 44px;
  padding: 0 .9rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--paper);
  text-decoration: none;
  font-size: .9rem;
  white-space: nowrap;
  transition: border-color .18s var(--ease), color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-chips__num {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--gold);
}

.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(198, 255, 74, .08);
  outline: none;
}

.page-faq .faq-chips a:focus-visible {
  box-shadow: 0 0 0 2px var(--lime-soft);
}

.page-faq .faq-find__title {
  margin: 2.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 5vw, 1.85rem);
  letter-spacing: -.01em;
}

.page-faq .faq-hot {
  display: grid;
  gap: .55rem;
  margin: 1.1rem 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hot a {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .85rem;
  min-height: 58px;
  padding: .85rem 1rem;
  border-left: 2px solid var(--line-strong);
  background: var(--ink-900);
  color: var(--paper);
  text-decoration: none;
  font-size: .95rem;
  line-height: 1.5;
  transition: transform .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-hot a:hover,
.page-faq .faq-hot a:focus-visible {
  transform: translateY(-3px);
  border-left-color: var(--lime);
  background: var(--ink-800);
  outline: none;
}

.page-faq .faq-hot a:focus-visible {
  box-shadow: 0 0 0 2px var(--lime-soft);
}

.page-faq .faq-hot__num {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--gold);
  letter-spacing: .06em;
}

.page-faq .faq-hot__arrow {
  color: var(--fog);
  font-size: .95rem;
  transition: color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-hot a:hover .faq-hot__arrow {
  color: var(--lime);
  transform: translateX(3px);
}

/* 问答主体 */
.page-faq .faq-answers {
  padding: 0 0 3.5rem;
}

.page-faq .faq-answers__inner {
  display: grid;
  gap: 2rem;
}

.page-faq .faq-index {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: rgba(12, 43, 34, .62);
  padding: .45rem;
}

.page-faq .faq-index__title {
  margin: .35rem .55rem .55rem;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fog);
}

.page-faq .faq-index__list {
  display: flex;
  gap: .35rem;
  overflow-x: auto;
  margin: 0;
  padding: 0 .1rem .2rem;
  list-style: none;
  scrollbar-width: none;
}

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

.page-faq .faq-index__list a {
  display: flex;
  align-items: center;
  gap: .5rem;
  min-height: 44px;
  padding: .45rem .75rem;
  color: var(--paper);
  text-decoration: none;
  font-size: .9rem;
  white-space: nowrap;
  border-left: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}

.page-faq .faq-index__num {
  font-family: var(--font-mono);
  font-size: .74rem;
  color: var(--gold);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--lime);
  border-left-color: var(--lime);
  background: rgba(198, 255, 74, .07);
  outline: none;
}

.page-faq .faq-index__list a:focus-visible {
  box-shadow: 0 0 0 2px var(--lime-soft);
}

.page-faq .faq-groups {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 3rem;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.2rem, 4.6vw, 1.55rem);
  letter-spacing: -.01em;
  scroll-margin-top: 90px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: .85rem;
  font-weight: 700;
  color: var(--lime);
  letter-spacing: .08em;
}

.page-faq .faq-group__lede {
  margin: .55rem 0 1.1rem;
  max-width: 52ch;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--fog);
}

.page-faq .qa {
  border-top: 1px solid var(--line);
  scroll-margin-top: 92px;
}

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

.page-faq .qa__head {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: .8rem;
  min-height: 56px;
  padding: .95rem .6rem .95rem 1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .qa__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: .9rem;
  bottom: .9rem;
  width: 2px;
  background: var(--line-strong);
  transition: background .2s var(--ease), top .2s var(--ease), bottom .2s var(--ease);
}

.page-faq .qa__head:hover::before {
  background: var(--lime-soft);
}

.page-faq .qa[open] .qa__head::before {
  background: var(--lime);
  top: .55rem;
  bottom: .55rem;
}

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

.page-faq .qa__num {
  padding-top: .22rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--fog);
  transition: color .2s var(--ease);
}

.page-faq .qa[open] .qa__num {
  color: var(--lime);
}

.page-faq .qa__q {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-faq .qa__mark {
  position: relative;
  width: 16px;
  height: 16px;
  margin-top: .3rem;
  flex: 0 0 auto;
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  background: var(--fog);
  transition: transform .22s var(--ease), background .22s var(--ease);
}

.page-faq .qa__mark::before {
  left: 0;
  top: 7px;
  width: 16px;
  height: 2px;
}

.page-faq .qa__mark::after {
  left: 7px;
  top: 0;
  width: 2px;
  height: 16px;
}

.page-faq .qa[open] .qa__mark::after {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__mark::before,
.page-faq .qa[open] .qa__mark::after {
  background: var(--lime);
}

.page-faq .qa__body {
  padding: 0 .6rem 1.2rem 2.35rem;
}

.page-faq .qa__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.78;
  color: rgba(242, 239, 230, .82);
}

.page-faq .qa__link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 74, .45);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .qa__link:hover,
.page-faq .qa__link:focus-visible {
  color: var(--lime-soft);
  border-bottom-color: var(--lime-soft);
  outline: none;
}

.page-faq .qa__link:focus-visible {
  box-shadow: 0 0 0 2px var(--lime-soft);
}

/* 联系客服 */
.page-faq .faq-help {
  padding: 0 0 4rem;
}

.page-faq .faq-help__inner {
  display: grid;
  gap: 1.5rem;
  align-items: center;
}

.page-faq .faq-help__panel {
  padding: 1.6rem 1.25rem;
  border: 1px solid var(--line-strong);
  border-radius: var(--r);
  background:
    linear-gradient(160deg, rgba(18, 59, 48, .85), rgba(12, 43, 34, .9));
  box-shadow: inset 0 1px 0 rgba(198, 255, 74, .12);
}

.page-faq .faq-help__title {
  margin: .55rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 5.2vw, 2rem);
  line-height: 1.15;
  letter-spacing: -.01em;
}

.page-faq .faq-help__lede {
  margin: .8rem 0 0;
  max-width: 44ch;
  font-size: .94rem;
  line-height: 1.75;
  color: rgba(242, 239, 230, .84);
}

.page-faq .faq-help__list {
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-faq .faq-help__row {
  display: grid;
  gap: .15rem;
  padding: .6rem 0;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-help__row dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-help__row dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.5rem;
}

.page-faq .faq-help__media {
  min-width: 0;
}

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

@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 2.25rem 0 4.5rem;
  }

  .page-faq .faq-hero__inner {
    max-width: 60rem;
  }

  .page-faq .faq-hot {
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-help__row {
    grid-template-columns: 7rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }

  .page-faq .qa__head {
    padding: 1.05rem 1rem 1.05rem 1.15rem;
  }

  .page-faq .qa__body {
    padding: 0 1rem 1.35rem 2.9rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__title {
    max-width: 16ch;
  }

  .page-faq .faq-answers__inner {
    grid-template-columns: 258px minmax(0, 1fr);
    gap: 3.5rem;
    align-items: start;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 96px;
  }

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

  .page-faq .faq-index__list a {
    border-left: 2px solid transparent;
    padding: .55rem .7rem;
  }

  .page-faq .faq-help__inner {
    grid-template-columns: 1.08fr .92fr;
    gap: 2.5rem;
  }

  .page-faq .faq-help__panel {
    padding: 2.25rem 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-hot a,
  .page-faq .qa__mark::before,
  .page-faq .qa__mark::after,
  .page-faq .qa__head::before {
    transition: none;
  }

  .page-faq .faq-hot a:hover {
    transform: none;
  }
}