.page-faq {
  background: var(--night);
  color: var(--cream);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 54px;
  background:
    radial-gradient(88% 70% at 90% -18%, rgba(200, 255, 61, 0.16), transparent 62%),
    radial-gradient(66% 58% at 2% -6%, rgba(255, 212, 71, 0.12), transparent 60%),
    linear-gradient(180deg, #0B1410 0%, #101D16 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    90deg,
    rgba(111, 174, 94, 0.09) 0 44px,
    transparent 44px 88px
  );
  pointer-events: none;
}

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

.page-faq .breadcrumb {
  margin-bottom: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: end;
}

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

.page-faq .faq-hero h1 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 7vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.005em;
  color: var(--cream);
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-faq .faq-hero .lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

.page-faq .faq-board {
  list-style: none;
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-strong);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 12px;
}

.page-faq .faq-board li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.page-faq .faq-board__num {
  font-family: var(--font-mono);
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
  letter-spacing: -0.02em;
}

.page-faq .faq-board li:nth-child(2) .faq-board__num {
  color: var(--lamp);
}

.page-faq .faq-board li:nth-child(3) .faq-board__num {
  color: var(--green-mid);
}

.page-faq .faq-board li:nth-child(4) .faq-board__num {
  color: var(--cream);
}

.page-faq .faq-board__label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-faq .faq-hero__media {
  position: relative;
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-md);
  filter: contrast(1.06) saturate(0.92);
}

.page-faq .faq-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--r-md);
  box-shadow: inset 0 0 0 1px rgba(200, 255, 61, 0.26);
  pointer-events: none;
}

.page-faq .faq-hero__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body {
  padding: 52px 0 30px;
  background: var(--night);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: start;
}

.page-faq .faq-index {
  min-width: 0;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-index__title,
.page-faq .faq-index__more .idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--sage);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-faq .faq-index__list li {
  min-width: 0;
}

.page-faq .faq-index__list a {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px 9px 13px;
  border-radius: var(--r-sm);
  color: var(--ink-dim);
  font-size: 13px;
  text-decoration: none;
  background: rgba(244, 235, 211, 0.04);
  transition: color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-index__list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  bottom: 9px;
  width: 2px;
  background: var(--neon);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.2s var(--ease);
}

.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible {
  color: var(--cream);
  background: rgba(200, 255, 61, 0.09);
  outline: none;
}

.page-faq .faq-index__list a:hover::before,
.page-faq .faq-index__list a:focus-visible::before {
  transform: scaleY(1);
}

.page-faq .faq-index__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green-mid);
  letter-spacing: 0.04em;
}

.page-faq .faq-index__list em {
  margin-left: auto;
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--sage);
}

.page-faq .faq-index__more {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin-top: 22px;
  padding-top: 16px;
  border-top: 1px dashed var(--line);
}

.page-faq .faq-index__more .idx {
  flex-basis: 100%;
}

.page-faq .faq-index__more a {
  color: var(--cream);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-index__more a:hover,
.page-faq .faq-index__more a:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
  outline: none;
}

/* 分组 */
.page-faq .faq-list {
  min-width: 0;
}

.page-faq .faq-group + .faq-group {
  margin-top: 46px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 12px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line-strong);
}

.page-faq .faq-group__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--neon);
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(200, 255, 61, 0.1);
}

.page-faq .faq-group:nth-of-type(2) .faq-group__no {
  color: var(--lamp);
  background: rgba(255, 212, 71, 0.12);
}

.page-faq .faq-group:nth-of-type(3) .faq-group__no {
  color: var(--green-mid);
  background: rgba(111, 174, 94, 0.14);
}

.page-faq .faq-group:nth-of-type(4) .faq-group__no {
  color: var(--yellow);
  background: rgba(242, 183, 5, 0.14);
}

.page-faq .faq-group:nth-of-type(5) .faq-group__no {
  color: var(--red);
  background: rgba(229, 72, 63, 0.14);
}

.page-faq .faq-group__head h2 {
  margin: 0;
  font-size: clamp(1.25rem, 4vw, 1.65rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--cream);
}

.page-faq .faq-group__head p {
  flex-basis: 100%;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--sage);
}

/* 手风琴 */
.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 17px 38px 17px 4px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--cream);
  transition: color 0.18s var(--ease);
}

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

.page-faq .faq-item summary::before {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 12px;
  height: 2px;
  margin-top: -1px;
  background: var(--neon);
  transition: background 0.18s var(--ease);
}

.page-faq .faq-item summary::after {
  content: "";
  position: absolute;
  right: 13px;
  top: 50%;
  width: 2px;
  height: 12px;
  margin-top: -6px;
  background: var(--neon);
  transition: transform 0.22s var(--ease), opacity 0.22s var(--ease),
    background 0.18s var(--ease);
}

.page-faq .faq-item summary:hover,
.page-faq .faq-item summary:focus-visible {
  color: var(--neon);
  outline: none;
}

.page-faq .faq-item summary:focus-visible {
  box-shadow: inset 0 0 0 1px rgba(200, 255, 61, 0.45);
  border-radius: var(--r-sm);
}

.page-faq .faq-item[open] > summary {
  color: var(--lamp);
}

.page-faq .faq-item[open] summary::before {
  background: var(--lamp);
}

.page-faq .faq-item[open] summary::after {
  transform: scaleY(0);
  opacity: 0;
  background: var(--lamp);
}

.page-faq .faq-item__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--lamp);
  padding-top: 3px;
}

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

.page-faq .faq-item__a {
  padding: 0 38px 18px 40px;
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-dim);
}

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

.page-faq .faq-item__a a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系区 ---------- */
.page-faq .faq-contact {
  padding: 54px 0 72px;
  background: linear-gradient(180deg, #101D16 0%, #0B1410 100%);
}

.page-faq .faq-contact__head {
  max-width: 660px;
  margin-bottom: 28px;
}

.page-faq .faq-contact__head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.005em;
}

.page-faq .faq-contact__head .lede {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-dim);
}

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

.page-faq .faq-contact__stage > img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--r-md);
  filter: contrast(1.05) saturate(0.9);
}

.page-faq .faq-contact__panel {
  position: relative;
  margin: -46px 10px 0;
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  border-radius: var(--r-md);
  border: 1px solid rgba(200, 255, 61, 0.22);
  background: rgba(11, 20, 16, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

.page-faq .faq-contact__cell .idx {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--sage);
}

.page-faq .faq-contact__value {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--neon);
  overflow-wrap: anywhere;
}

.page-faq .faq-contact__value--sm {
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--cream);
}

.page-faq .faq-contact__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--sage);
}

.page-faq .faq-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 0;
}

.page-faq .faq-contact__links a {
  font-size: 13.5px;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 255, 61, 0.45);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .faq-contact__links a:hover,
.page-faq .faq-contact__links a:focus-visible {
  color: var(--neon);
  border-color: var(--neon);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-hero {
    padding: 30px 0 64px;
  }

  .page-faq .faq-board {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-board__num {
    font-size: 40px;
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: -56px 24px 0;
    padding: 24px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 34px 0 78px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
  }

  .page-faq .faq-hero__media img {
    aspect-ratio: 4 / 3;
  }

  .page-faq .faq-body {
    padding: 66px 0 40px;
  }

  .page-faq .faq-body__grid {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 60px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 28px;
    border-bottom: none;
    padding-bottom: 0;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
    margin-top: 16px;
    border-top: 1px solid var(--line);
    padding-top: 12px;
  }

  .page-faq .faq-index__list a {
    background: transparent;
    padding: 10px 8px 10px 14px;
  }

  .page-faq .faq-index__list a::before {
    top: 8px;
    bottom: 8px;
  }

  .page-faq .faq-index__list a:hover,
  .page-faq .faq-index__list a:focus-visible {
    background: rgba(200, 255, 61, 0.07);
  }

  .page-faq .faq-item summary {
    font-size: 16.5px;
    padding: 19px 40px 19px 0;
  }

  .page-faq .faq-item__a {
    padding: 0 60px 22px 42px;
  }

  .page-faq .faq-item__a p {
    font-size: 15px;
  }

  .page-faq .faq-contact {
    padding: 72px 0 96px;
  }

  .page-faq .faq-contact__panel {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: -64px 40px 0;
    gap: 22px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__list a,
  .page-faq .faq-index__list a::before,
  .page-faq .faq-item summary,
  .page-faq .faq-item summary::after,
  .page-faq .faq-index__more a,
  .page-faq .faq-contact__links a {
    transition: none;
  }
}