.page-faq {
  --faq-line: rgba(59, 255, 143, 0.3);
  --faq-glass: rgba(243, 239, 228, 0.045);
  --faq-glass-soft: rgba(243, 239, 228, 0.02);
  --faq-w: 720px;
  padding-bottom: 54px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: 30px 0 34px;
  overflow: hidden;
  border-bottom: 1px solid var(--steel);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 380px;
  background:
    radial-gradient(58% 100% at 16% 0%, rgba(59, 255, 143, 0.16), transparent 70%),
    radial-gradient(48% 92% at 88% 12%, rgba(255, 90, 43, 0.13), transparent 72%);
  pointer-events: none;
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(243, 239, 228, 0.05) 0 1px, transparent 1px 68px),
    repeating-linear-gradient(to bottom, rgba(243, 239, 228, 0.05) 0 1px, transparent 1px 68px);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 78%);
  pointer-events: none;
}

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

.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--mist);
  margin-bottom: 26px;
}

.page-faq .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--faq-line);
}

.page-faq .breadcrumbs [aria-current="page"] {
  color: var(--paper);
}

.page-faq .faq-sep {
  color: var(--steel);
}

.page-faq .faq-hero .h-display {
  margin: 14px 0 0;
  max-width: 15em;
}

.page-faq .faq-hero .lede {
  margin-top: 20px;
  max-width: 640px;
  color: var(--mist);
}

.page-faq .faq-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.page-faq .chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--steel);
  border-radius: 999px;
  background: rgba(18, 27, 46, 0.72);
  color: var(--paper);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .chip:hover,
.page-faq .chip:focus-visible {
  border-color: var(--faq-line);
  color: var(--neon);
  background: rgba(15, 59, 49, 0.55);
}

/* ---------- 分组骨架 ---------- */
.page-faq .faq-group {
  position: relative;
  padding: 42px 0 10px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 10px;
  border-top: 1px solid var(--steel);
}

.page-faq .faq-group + .faq-group::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 62px;
  height: 2px;
  background: var(--neon);
}

.page-faq .faq-group__wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 34px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(147, 162, 188, 0.45);
}

.page-faq .faq-group__body {
  min-width: 0;
  max-width: var(--faq-w);
}

.page-faq .faq-group__body > .h2 {
  position: relative;
  padding-left: 16px;
  margin: 0 0 12px;
}

.page-faq .faq-group__body > .h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.22em;
  width: 4px;
  height: 1.05em;
  background: var(--neon);
  border-radius: 1px;
}

.page-faq .faq-group__intro {
  margin: 0 0 20px;
  max-width: 600px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--mist);
}

/* ---------- 手风琴 ---------- */
.page-faq .accordion {
  border-top: 1px solid var(--steel);
}

.page-faq .accordion__item {
  border-bottom: 1px solid var(--steel);
  scroll-margin-top: 84px;
}

.page-faq .accordion__h {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.page-faq .accordion__trigger {
  width: 100%;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 2px;
  background: none;
  border: 0;
  color: var(--paper);
  font-family: inherit;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.52;
  text-align: left;
  cursor: pointer;
  transition: color 0.22s var(--ease);
}

.page-faq .accordion__trigger:hover,
.page-faq .accordion__trigger:focus-visible {
  color: var(--neon);
}

.page-faq .accordion__sign {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  margin-top: 1px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
  background: rgba(255, 194, 75, 0.13);
  border: 1px solid rgba(255, 194, 75, 0.42);
  border-radius: var(--radius);
  transition: color 0.24s var(--ease), background 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-faq .accordion__item.is-open .accordion__sign,
.page-faq .accordion__item[data-open] .accordion__sign {
  color: var(--neon);
  background: rgba(59, 255, 143, 0.14);
  border-color: rgba(59, 255, 143, 0.46);
}

.page-faq .accordion__panel {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.34s var(--ease);
}

.page-faq .accordion__inner {
  overflow: hidden;
}

.page-faq .accordion__item.is-open > .accordion__panel,
.page-faq .accordion__panel.is-open {
  grid-template-rows: 1fr;
}

.page-faq .faq-answer {
  margin: 0 0 18px;
  padding: 15px 18px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
  background: linear-gradient(180deg, var(--faq-glass), var(--faq-glass-soft));
  border-left: 2px solid var(--faq-line);
  border-radius: 0 var(--radius) var(--radius) 0;
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 26px 0 4px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--panel);
  border: 1px solid var(--steel);
  border-radius: var(--radius);
}

.page-faq .faq-figure figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 末组引导 ---------- */
.page-faq .faq-group--last {
  padding-bottom: 8px;
}

.page-faq .faq-resolve {
  display: grid;
  gap: 20px;
  padding: 22px;
  background:
    linear-gradient(135deg, rgba(15, 59, 49, 0.6), rgba(18, 27, 46, 0.78));
  border: 1px solid var(--steel);
  border-radius: var(--radius);
}

.page-faq .faq-resolve__text p {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--paper);
}

.page-faq .faq-resolve__note {
  color: var(--mist) !important;
  font-size: 14px !important;
}

.page-faq .faq-resolve__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

.page-faq .faq-resolve__links {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-resolve__links a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid var(--faq-line);
}

.page-faq .faq-resolve__links a:hover,
.page-faq .faq-resolve__links a:focus-visible {
  color: var(--paper);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    padding: 40px 0 46px;
  }

  .page-faq .faq-hero .h-display {
    margin-top: 18px;
  }

  .page-faq .faq-jump {
    margin-top: 34px;
  }

  .page-faq .faq-group {
    padding: 56px 0 12px;
  }

  .page-faq .faq-group__wrap {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 34px;
  }

  .page-faq .faq-group__num {
    font-size: 60px;
    justify-self: end;
    transform: translateY(-6px);
    color: rgba(147, 162, 188, 0.34);
  }

  .page-faq .accordion__trigger {
    font-size: 18px;
    padding: 20px 2px;
  }

  .page-faq .faq-answer {
    margin-left: 40px;
    padding: 16px 22px;
  }

  .page-faq .faq-figure {
    margin: 30px 0 6px;
  }

  .page-faq .faq-resolve {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 26px;
    padding: 26px 28px;
  }

  .page-faq .faq-resolve__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1180px) {
  .page-faq .faq-group__num {
    font-size: 68px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .accordion__panel,
  .page-faq .accordion__sign,
  .page-faq .chip,
  .page-faq .accordion__trigger {
    transition: none;
  }

  .page-faq .faq-group__num {
    transform: none;
  }
}