.page-faq {
  background-color: var(--ink);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(1.75rem, 4vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: radial-gradient(130% 110% at 10% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(130% 110% at 10% 0%, #000 0%, transparent 74%);
  pointer-events: none;
  z-index: 0;
}

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

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  align-items: end;
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 1.5rem;
}

.page-faq .faq-hero__eyebrow {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0 0 1.15rem;
  max-width: 17em;
  font-size: clamp(2rem, 5.2vw, 3.7rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-faq .faq-hero__lede {
  margin: 0 0 1.6rem;
  max-width: 34em;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-faq .faq-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hero__meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-faq .faq-hero__meta li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(45, 226, 230, 0.16);
}

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

.page-faq .faq-hero__media .media-frame__inner {
  border: 1px solid rgba(45, 226, 230, 0.28);
}

/* ---------- 工具栏：场景索引 + 筛选 ---------- */
.page-faq .faq-toolbar {
  position: relative;
  border-bottom: 1px solid var(--line);
  background: var(--ink-2);
}

.page-faq .faq-toolbar__inner {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1.75rem;
  padding-block: 0.7rem;
}

.page-faq .faq-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 1.2rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index__list a {
  display: inline-block;
  padding: 0.3rem 0;
  font-size: 0.875rem;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--amber);
  outline: none;
}

.page-faq .faq-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.page-faq .faq-filters__input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
}

.page-faq .faq-filters__chip {
  cursor: pointer;
  padding: 0.3rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--muted);
  user-select: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-faq .faq-filters__chip:hover {
  color: var(--paper);
  border-color: var(--muted);
}

.page-faq .faq-filters__input:checked + .faq-filters__chip {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-faq .faq-filters__input:focus-visible + .faq-filters__chip {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-faq:has(#fq-entry:checked) .faq-block:not([data-cat="entry"]),
.page-faq:has(#fq-version:checked) .faq-block:not([data-cat="version"]),
.page-faq:has(#fq-records:checked) .faq-block:not([data-cat="records"]),
.page-faq:has(#fq-platform:checked) .faq-block:not([data-cat="platform"]),
.page-faq:has(#fq-support:checked) .faq-block:not([data-cat="support"]) {
  display: none;
}

/* ---------- 区块头 ---------- */
.page-faq .faq-block {
  border-bottom: 1px solid var(--line);
}

.page-faq .section--deep.faq-block,
.page-faq .section--wine.faq-block {
  border-bottom-color: rgba(245, 241, 232, 0.14);
}

.page-faq .faq-block__head {
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
}

.page-faq .faq-block__kicker {
  display: block;
  margin: 0 0 0.6rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-block__title {
  margin: 0;
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.page-faq .faq-block__note {
  margin: 0.7rem 0 0;
  max-width: 40em;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 折叠条目 ---------- */
.page-faq .faq-list {
  display: grid;
  gap: 0.55rem;
}

.page-faq .faq-item {
  border: 1px solid var(--line);
  border-left: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-2);
  transition: border-color 0.28s var(--ease), background-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.page-faq .section--deep .faq-item,
.page-faq .section--wine .faq-item {
  background: rgba(26, 28, 31, 0.52);
  border-color: rgba(245, 241, 232, 0.14);
  border-left-color: rgba(245, 241, 232, 0.14);
}

.page-faq .faq-item:hover {
  border-left-color: var(--amber);
}

.page-faq .faq-item[open] {
  border-left-color: var(--cyan);
  box-shadow: 0 22px 46px -36px rgba(45, 226, 230, 0.85);
}

.page-faq .faq-item__q {
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr) 1rem;
  gap: 0 0.5rem;
  align-items: start;
  padding: 0.95rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item__q:hover {
  color: var(--amber-2);
}

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

.page-faq .faq-item__no {
  padding-top: 0.32em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-faq .faq-item__chev {
  justify-self: end;
  width: 0.5rem;
  height: 0.5rem;
  margin-top: 0.48em;
  border-right: 1.5px solid var(--amber);
  border-bottom: 1.5px solid var(--amber);
  transform: rotate(45deg);
  transition: transform 0.3s var(--ease);
}

.page-faq .faq-item[open] .faq-item__chev {
  transform: rotate(225deg);
}

.page-faq .faq-item__a {
  padding: 0 1.25rem 1.05rem 3.6rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--muted);
}

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

.page-faq .faq-item__a p + p {
  margin-top: 0.55rem;
}

.page-faq .faq-item__a a {
  color: var(--amber-2);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 193, 78, 0.42);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

/* ---------- 记录查询：图文并置 ---------- */
.page-faq .faq-records {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

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

.page-faq .faq-records__figure .media-frame__inner {
  border: 1px solid rgba(45, 226, 230, 0.3);
}

.page-faq .faq-records__figure .media-frame__caption {
  color: var(--muted);
}

/* ---------- 联系客服 ---------- */
.page-faq .faq-support {
  display: grid;
  gap: 0.75rem;
  margin-bottom: 1.75rem;
}

.page-faq .faq-support__card {
  padding: 1.05rem 1.15rem;
  border: 1px solid rgba(245, 241, 232, 0.16);
  border-top: 2px solid var(--amber);
  border-radius: var(--radius);
  background: rgba(26, 28, 31, 0.34);
}

.page-faq .faq-support__card--soft {
  border-top-color: var(--cyan);
}

.page-faq .faq-support__label {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-faq .faq-support__value {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  overflow-wrap: break-word;
  word-break: break-word;
}

.page-faq .faq-support__hint {
  margin: 0.4rem 0 0;
  font-size: 0.8125rem;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-support {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-faq .faq-block__head {
    display: grid;
    grid-template-columns: 3.5rem minmax(0, 1fr);
    column-gap: 1.25rem;
    align-items: start;
  }

  .page-faq .faq-block__kicker {
    grid-column: 1;
    grid-row: 1;
    margin: 0.28rem 0 0;
  }

  .page-faq .faq-block__title {
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .faq-block__note {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-faq .faq-records {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: start;
  }
}

@media (max-width: 620px) {
  .page-faq .faq-toolbar__inner {
    align-items: flex-start;
  }

  .page-faq .faq-item__q {
    grid-template-columns: 1.7rem minmax(0, 1fr) 1rem;
    gap: 0 0.4rem;
    font-size: 0.9375rem;
  }

  .page-faq .faq-item__a {
    padding: 0 1rem 1rem 1rem;
  }
}