.page-faq {
  --faq-gap: clamp(1.25rem, 3vw, 2.5rem);
  --faq-card-pad: clamp(1rem, 2.2vw, 1.4rem);
  background: var(--wk-ink);
  color: var(--wk-text);
  overflow-x: hidden;
}

.page-faq .wk-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--wk-font-head);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--wk-mint);
  margin: 0 0 .75rem;
}

/* ---------- 面包屑 ---------- */

.page-faq .wk-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem;
  font-size: .8125rem;
  letter-spacing: .03em;
  color: var(--wk-faint);
  margin-bottom: 1.75rem;
}

.page-faq .wk-breadcrumb__item a {
  color: var(--wk-faint);
  text-decoration: none;
  transition: color 120ms ease;
}

.page-faq .wk-breadcrumb__item a:hover,
.page-faq .wk-breadcrumb__item a:focus-visible {
  color: var(--wk-mint);
  outline: none;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(1.5rem, 3vw, 2.25rem) 0 clamp(2.5rem, 6vw, 4rem);
  background:
    radial-gradient(115% 85% at 90% 4%, rgba(56, 242, 166, .16), transparent 60%),
    linear-gradient(180deg, var(--wk-ink) 0%, var(--wk-night) 100%);
  border-bottom: 1px solid var(--wk-line);
}

.page-faq .faq-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

.page-faq .faq-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: .26;
  filter: saturate(.55) contrast(1.08);
}

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

.page-faq .faq-hero h1 {
  font-family: var(--wk-font-head);
  font-weight: 700;
  font-size: clamp(1.85rem, 7.4vw, 3.35rem);
  line-height: 1.08;
  letter-spacing: -.012em;
  color: var(--wk-strong);
  margin: 0 0 1rem;
  max-width: 22ch;
}

.page-faq .faq-hero .wk-lead {
  max-width: 60ch;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--wk-muted);
}

/* ---------- 五组问题索引 ---------- */

.page-faq .faq-index {
  display: grid;
  grid-template-columns: 1fr;
  gap: .5rem;
  margin-top: clamp(1.75rem, 4vw, 2.75rem);
}

.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: .8rem;
  row-gap: .2rem;
  align-items: baseline;
  padding: .85rem .95rem .9rem;
  border: 1px solid var(--wk-line);
  border-radius: var(--wk-radius);
  background: rgba(22, 36, 30, .62);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  text-decoration: none;
  min-width: 0;
  transition: border-color 140ms ease, background 140ms ease, transform 140ms ease;
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  border-color: var(--wk-mint);
  background: rgba(56, 242, 166, .09);
  transform: translateY(-2px);
  outline: none;
}

.page-faq .faq-index__item:focus-visible {
  box-shadow: 0 0 0 2px rgba(56, 242, 166, .55);
}

.page-faq .faq-index__no {
  grid-row: 1 / span 2;
  font-family: var(--wk-font-num);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  line-height: 1;
  padding-top: .12em;
  color: var(--wk-mint);
}

.page-faq .faq-index__label {
  font-family: var(--wk-font-head);
  font-weight: 700;
  font-size: .9375rem;
  line-height: 1.45;
  color: var(--wk-strong);
}

.page-faq .faq-index__hint {
  font-size: .75rem;
  line-height: 1.55;
  color: var(--wk-faint);
}

/* ---------- 问答分组 ---------- */

.page-faq .faq-group {
  padding: clamp(2.25rem, 6vw, 4.25rem) 0;
  border-bottom: 1px solid var(--wk-line);
  scroll-margin-top: 1.5rem;
}

.page-faq .faq-group--shade {
  background: var(--wk-night);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: flex-start;
  gap: clamp(.75rem, 2vw, 1.25rem);
  padding-bottom: 1.15rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--wk-line);
}

.page-faq .faq-group__no {
  flex: 0 0 auto;
  font-family: var(--wk-font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  line-height: 1;
  padding-top: .15em;
  color: var(--wk-amber);
}

.page-faq .faq-group__head h2 {
  font-family: var(--wk-font-head);
  font-weight: 700;
  font-size: clamp(1.3rem, 4.6vw, 1.85rem);
  line-height: 1.25;
  letter-spacing: -.008em;
  color: var(--wk-strong);
  margin: 0 0 .4rem;
  max-width: 30ch;
}

.page-faq .faq-group__sub {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.65;
  color: var(--wk-faint);
  max-width: 52ch;
}

/* ---------- 折叠面板 ---------- */

.page-faq .faq-item {
  border: 1px solid var(--wk-line);
  border-radius: var(--wk-radius);
  background: var(--wk-panel);
  margin-bottom: .625rem;
  overflow: hidden;
  transition: border-color 160ms ease, background 160ms ease;
}

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

.page-faq .faq-item[open] {
  border-color: rgba(56, 242, 166, .42);
  background: var(--wk-panel-up);
}

.page-faq .faq-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.05rem var(--faq-card-pad);
  cursor: pointer;
  list-style: none;
  font-family: var(--wk-font-head);
  font-weight: 700;
  font-size: clamp(.9375rem, 2.6vw, 1.0625rem);
  line-height: 1.55;
  color: var(--wk-strong);
  transition: color 130ms ease;
}

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

.page-faq .faq-item > summary::marker {
  content: "";
}

.page-faq .faq-item > summary:hover {
  color: var(--wk-mint);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--wk-mint);
  outline-offset: -3px;
}

.page-faq .faq-item__q {
  flex: 1 1 auto;
  min-width: 0;
}

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

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  background: var(--wk-mint);
  transition: transform 180ms ease, opacity 180ms ease;
}

.page-faq .faq-item__mark::before {
  left: 0;
  right: 0;
  top: 50%;
  height: 2px;
  transform: translateY(-50%);
}

.page-faq .faq-item__mark::after {
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: translateX(-50%) scaleY(0);
  opacity: 0;
}

.page-faq .faq-item__body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.15rem;
  padding: 1.15rem var(--faq-card-pad) 1.35rem;
  border-top: 1px solid var(--wk-line);
}

.page-faq .faq-item__text p {
  margin: 0 0 .85rem;
  max-width: 62ch;
  font-size: .9375rem;
  line-height: 1.82;
  color: var(--wk-text);
}

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

/* ---------- 右侧示例表 ---------- */

.page-faq .faq-item__demo {
  min-width: 0;
  padding: .8rem .85rem .9rem;
  border: 1px solid rgba(56, 242, 166, .24);
  border-radius: var(--wk-radius);
  background: rgba(11, 22, 19, .72);
}

.page-faq .faq-item__demo-title {
  margin: 0 0 .55rem;
  font-family: var(--wk-font-head);
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--wk-mint);
}

.page-faq .faq-mini {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .wk-table {
  width: 100%;
  min-width: 15rem;
  border-collapse: collapse;
  font-size: .8125rem;
  line-height: 1.55;
}

.page-faq .wk-table th,
.page-faq .wk-table td {
  padding: .5rem .55rem;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--wk-line);
}

.page-faq .wk-table th {
  font-family: var(--wk-font-head);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--wk-muted);
  border-bottom-color: rgba(56, 242, 166, .34);
}

.page-faq .wk-table td {
  color: var(--wk-text);
}

.page-faq .wk-table tbody tr:nth-child(even) {
  background: rgba(30, 47, 39, .5);
}

.page-faq .wk-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-faq .wk-table__num {
  text-align: right;
  font-family: var(--wk-font-num);
  font-variant-numeric: tabular-nums;
  color: var(--wk-mint);
}

.page-faq .wk-table__num .wk-num {
  font-family: inherit;
  font-variant-numeric: inherit;
}

/* ---------- 图 ---------- */

.page-faq .faq-figure {
  margin: 1.25rem 0 .625rem;
  border: 1px solid var(--wk-line);
  border-radius: var(--wk-radius);
  background: var(--wk-panel);
  overflow: hidden;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  opacity: .85;
}

.page-faq .faq-figure figcaption {
  padding: .65rem .9rem .7rem;
  border-top: 1px solid var(--wk-line);
  font-size: .78rem;
  line-height: 1.65;
  color: var(--wk-faint);
}

/* ---------- 兜底区块 ---------- */

.page-faq .faq-fallback {
  padding: clamp(2.25rem, 6vw, 4.25rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(90% 70% at 12% 100%, rgba(240, 169, 60, .12), transparent 65%),
    var(--wk-ink);
}

.page-faq .faq-fallback__card {
  padding: clamp(1.35rem, 3.6vw, 2.5rem);
  border: 1px solid rgba(240, 169, 60, .32);
  border-radius: var(--wk-radius);
  background: var(--wk-panel);
  box-shadow: var(--wk-shadow);
}

.page-faq .faq-fallback__card .wk-eyebrow {
  color: var(--wk-amber);
}

.page-faq .faq-fallback__card h2 {
  font-family: var(--wk-font-head);
  font-weight: 700;
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--wk-strong);
  margin: 0 0 .8rem;
  max-width: 26ch;
}

.page-faq .faq-fallback__lead {
  margin: 0 0 1.5rem;
  max-width: 58ch;
  font-size: .9375rem;
  line-height: 1.85;
  color: var(--wk-muted);
}

.page-faq .faq-fallback__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: .75rem;
  margin: 0 0 1.75rem;
  padding: 0;
}

.page-faq .faq-fallback__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: .2rem;
  padding: .7rem 0 .75rem;
  border-top: 1px solid var(--wk-line);
}

.page-faq .faq-fallback__row dt {
  font-family: var(--wk-font-head);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--wk-faint);
}

.page-faq .faq-fallback__row dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.6;
  color: var(--wk-strong);
  word-break: break-word;
}

.page-faq .faq-fallback__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .625rem;
}

.page-faq .wk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .65rem 1.25rem;
  border-radius: var(--wk-radius);
  border: 1px solid transparent;
  font-family: var(--wk-font-head);
  font-weight: 700;
  font-size: .875rem;
  letter-spacing: .03em;
  text-decoration: none;
  cursor: pointer;
  transition: background 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

.page-faq .wk-btn--primary {
  background: var(--wk-mint);
  color: #06251A;
  border-color: var(--wk-mint);
}

.page-faq .wk-btn--primary:hover,
.page-faq .wk-btn--primary:focus-visible {
  background: #5CF7BB;
  border-color: #5CF7BB;
  transform: translateY(-2px);
  outline: none;
}

.page-faq .wk-btn--ghost {
  background: transparent;
  color: var(--wk-text);
  border-color: var(--wk-line);
}

.page-faq .wk-btn--ghost:hover,
.page-faq .wk-btn--ghost:focus-visible {
  color: var(--wk-mint);
  border-color: var(--wk-mint);
  transform: translateY(-2px);
  outline: none;
}

/* ---------- 显现 ---------- */

.page-faq [data-reveal] {
  opacity: 1;
}

.wk-js .page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 380ms ease, transform 380ms ease;
}

.wk-js .page-faq [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: .625rem;
  }

  .page-faq .faq-index__item {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    row-gap: .45rem;
    align-items: start;
    padding: 1rem .9rem 1.1rem;
  }

  .page-faq .faq-index__no {
    grid-row: auto;
    font-size: 1.35rem;
    padding-top: 0;
  }

  .page-faq .faq-item__body {
    grid-template-columns: minmax(0, 1fr) minmax(0, 21rem);
    gap: 2rem;
    align-items: start;
  }

  .page-faq .faq-figure {
    max-width: 46rem;
  }

  .page-faq .faq-fallback__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
  }

  .page-faq .faq-fallback__row {
    border-top-color: rgba(240, 169, 60, .35);
  }
}

@media (min-width: 1024px) {
  .page-faq .faq-hero h1 {
    max-width: 24ch;
  }

  .page-faq .faq-group__head {
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .wk-js .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
  }
}