.page-faq {
  --faq-sticky-top: calc(var(--owl-header-space, 88px) + 1rem);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-masthead {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--owl-header-space, 88px) + 1.5rem);
  padding-bottom: clamp(1.5rem, 4vw, 2.75rem);
}

.page-faq .faq-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--owl-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--owl-grid) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 88% 8%, #000 0%, transparent 68%);
  mask-image: radial-gradient(120% 90% at 88% 8%, #000 0%, transparent 68%);
  pointer-events: none;
}

.page-faq .faq-masthead::after {
  content: "?";
  position: absolute;
  right: clamp(.5rem, 4vw, 4rem);
  top: 44%;
  transform: translateY(-50%);
  font-family: var(--font-head);
  font-size: clamp(10rem, 26vw, 20rem);
  line-height: 1;
  color: rgba(198, 255, 61, .045);
  pointer-events: none;
  user-select: none;
}

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

.page-faq .faq-masthead .owl-breadcrumb {
  margin-bottom: clamp(1rem, 3vw, 1.75rem);
}

.page-faq .faq-masthead__grid {
  display: grid;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}

.page-faq .faq-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.05rem, 6.4vw, 3.6rem);
  line-height: 1.03;
  letter-spacing: -.015em;
  margin: .5rem 0 .9rem;
  max-width: 20ch;
}

.page-faq .faq-lede {
  max-width: 56ch;
  color: var(--owl-muted);
  margin: 0;
}

.page-faq .faq-masthead__aside {
  display: grid;
  gap: .75rem;
}

.page-faq .faq-masthead__plate {
  border: 1px solid var(--owl-line);
  border-radius: var(--owl-radius);
  background: rgba(22, 35, 63, .62);
  padding: .9rem 1rem;
}

.page-faq .faq-masthead__plate p {
  margin: .55rem 0 0;
  font-size: .875rem;
  line-height: 1.65;
  color: var(--owl-muted);
}

.page-faq .faq-masthead__plate b {
  font-family: var(--font-num);
  font-weight: 700;
  color: var(--owl-white);
  letter-spacing: .02em;
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  padding-block: clamp(.75rem, 2.5vw, 1.5rem) clamp(2.25rem, 6vw, 3.5rem);
}

.page-faq .faq-layout {
  display: grid;
  gap: clamp(1rem, 2.5vw, 2rem);
  align-items: start;
}

.page-faq .faq-rail {
  display: grid;
  gap: .65rem;
}

.page-faq .faq-rail__label {
  margin: 0;
  font-family: var(--font-num);
  font-size: .6875rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--owl-dim);
}

.page-faq .faq-rail__live {
  margin: 0;
  font-family: var(--font-num);
  font-size: .75rem;
  letter-spacing: .04em;
  color: var(--owl-dim);
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: nowrap;
  gap: .5rem;
  overflow-x: auto;
  padding: .25rem .25rem .5rem;
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

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

.page-faq .faq-filters .owl-filter {
  flex: 0 0 auto;
  border-radius: 999px;
  white-space: nowrap;
  scroll-snap-align: start;
}

.page-faq .faq-filters .owl-filter.is-active,
.page-faq .faq-filters .owl-filter[aria-pressed="true"],
.page-faq .faq-filters .owl-filter[data-active="true"] {
  background: var(--owl-lime);
  border-color: var(--owl-lime);
  color: var(--owl-charcoal);
  font-weight: 700;
}

/* ---------- 问答流 ---------- */
.page-faq .faq-stream {
  display: grid;
  gap: .7rem;
  min-width: 0;
}

.page-faq .faq-stream__head {
  margin: 0 0 .35rem;
  font-family: var(--font-num);
  font-weight: 600;
  font-size: .75rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--owl-dim);
}

.page-faq [data-filter-item].is-hidden {
  display: none;
}

.page-faq .faq-card {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--owl-line);
  border-radius: var(--owl-radius);
  background: var(--owl-slate);
  transition: border-color .25s var(--owl-ease), background .25s var(--owl-ease);
}

.page-faq .faq-card:hover,
.page-faq .faq-card:focus-within {
  border-color: rgba(198, 255, 61, .5);
  background: #182742;
}

.page-faq .faq-card__no {
  display: grid;
  place-items: center;
  min-width: 2.9rem;
  padding: .95rem .5rem;
  font-family: var(--font-num);
  font-size: .8125rem;
  letter-spacing: .05em;
  color: var(--owl-paper);
  background: rgba(243, 235, 221, .07);
  border-right: 1px solid var(--owl-line);
}

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

.page-faq .faq-card__disclosure > .owl-disclosure__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .95rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--owl-white);
}

.page-faq .faq-card__disclosure > .owl-disclosure__summary::-webkit-details-marker {
  display: none;
}

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

.page-faq .faq-card__disclosure .owl-disclosure__mark {
  flex: 0 0 auto;
  width: 1.5rem;
  height: 1.5rem;
  position: relative;
  border: 1px solid var(--owl-line);
  border-radius: 999px;
  transition: background .25s var(--owl-ease), border-color .25s var(--owl-ease);
}

.page-faq .faq-card__disclosure .owl-disclosure__mark::before,
.page-faq .faq-card__disclosure .owl-disclosure__mark::after {
  content: "";
  position: absolute;
  left: 26%;
  right: 26%;
  top: 50%;
  height: 1px;
  background: var(--owl-lime);
  transform: translateY(-50%);
}

.page-faq .faq-card__disclosure .owl-disclosure__mark::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform .25s var(--owl-ease), opacity .2s var(--owl-ease);
}

.page-faq .faq-card__disclosure[open] .owl-disclosure__mark {
  background: rgba(198, 255, 61, .14);
  border-color: var(--owl-lime);
}

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

.page-faq .faq-card__a {
  padding: 0 1rem 1.05rem;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--owl-muted);
}

.page-faq .faq-card__a p {
  margin: 0;
}

.page-faq .faq-card__a .owl-link {
  color: var(--owl-lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 图形块 ---------- */
.page-faq .faq-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--owl-line);
  border-radius: var(--owl-radius);
  background: var(--owl-slate);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: .65rem .9rem;
  font-size: .8125rem;
  line-height: 1.6;
  color: var(--owl-dim);
  border-top: 1px solid var(--owl-line);
}

/* ---------- 底部引导 ---------- */
.page-faq .faq-help {
  padding-bottom: clamp(3rem, 8vw, 5rem);
}

.page-faq .faq-help__panel {
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.25rem, 4vw, 2.25rem);
  border: 1px solid var(--owl-line);
  border-radius: var(--owl-radius);
  background:
    linear-gradient(135deg, rgba(198, 255, 61, .08), transparent 58%),
    var(--owl-charcoal);
}

.page-faq .faq-help__copy h2 {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 4vw, 2.1rem);
  line-height: 1.1;
  margin: .5rem 0 .6rem;
}

.page-faq .faq-help__copy p {
  margin: 0;
  max-width: 52ch;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--owl-muted);
}

.page-faq .faq-help__copy .owl-link {
  color: var(--owl-lime);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-content: flex-start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-masthead__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(15rem, .7fr);
    align-items: end;
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-faq .faq-help__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 12rem;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(1.5rem, 3vw, 3rem);
  }

  .page-faq .faq-rail {
    position: sticky;
    top: var(--faq-sticky-top);
  }

  .page-faq .faq-filters {
    flex-direction: column;
    flex-wrap: wrap;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-filters .owl-filter {
    width: 100%;
    border-radius: var(--owl-radius);
    text-align: left;
    justify-content: flex-start;
  }

  .page-faq .faq-card__no {
    min-width: 3.4rem;
    font-size: .875rem;
  }

  .page-faq .faq-card__disclosure > .owl-disclosure__summary {
    padding: 1.05rem 1.25rem;
  }

  .page-faq .faq-card__a {
    padding: 0 1.25rem 1.15rem;
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-card__disclosure .owl-disclosure__mark,
  .page-faq .faq-card__disclosure .owl-disclosure__mark::after {
    transition: none;
  }
}