/* ===== 常见问答 / faqs ===== */
.page-faq {
  --faq-edge: rgba(198, 220, 240, 0.14);
  --faq-edge-strong: rgba(198, 220, 240, 0.26);
  --faq-gold-soft: rgba(214, 164, 65, 0.08);
  background: var(--void);
  color: var(--paper);
  font-family: var(--sans);
  overflow-wrap: break-word;
}

/* --- 首屏 --- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--faq-edge-strong);
  background:
    radial-gradient(140% 100% at 92% -10%, rgba(214, 164, 65, 0.16), transparent 58%),
    radial-gradient(90% 80% at -10% 110%, rgba(194, 60, 44, 0.12), transparent 60%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--void) 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(118deg, rgba(214, 164, 65, 0.055) 0 1px, transparent 1px 16px);
  pointer-events: none;
}

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

.page-faq .faq-hero .crumbs {
  padding-top: 20px;
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: 24px;
  padding: 18px 0 26px;
}

.page-faq .faq-hero__lead h1 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.9rem, 7.4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  margin: 12px 0 16px;
  max-width: 22ch;
}

.page-faq .faq-hero__lead .lede {
  max-width: 58ch;
  color: var(--paper-dim);
  font-size: clamp(0.94rem, 2.4vw, 1.05rem);
  line-height: 1.9;
  margin: 0;
}

.page-faq .faq-note {
  display: grid;
  gap: 14px;
  align-content: start;
  border-left: 2px solid var(--gold);
  padding: 4px 0 4px 16px;
}

.page-faq .faq-note__item {
  display: grid;
  gap: 4px;
  margin: 0;
}

.page-faq .faq-note__k {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--paper-mute);
}

.page-faq .faq-note__v {
  font-size: 0.86rem;
  line-height: 1.65;
  color: var(--paper-dim);
}

.page-faq .faq-hero__figure {
  margin: 24px 0 0;
}

/* --- 分类索引 --- */
.page-faq .faq-jump {
  padding: 34px 0 0;
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .faq-index {
  display: grid;
  grid-template-columns: 1fr;
  list-style: none;
  margin: 0 0 -1px;
  padding: 0;
  border-top: 1px solid var(--faq-edge);
  border-left: 1px solid var(--faq-edge);
}

.page-faq .faq-index li {
  border-right: 1px solid var(--faq-edge);
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .faq-index a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 16px;
  color: var(--paper-dim);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.4;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  background: var(--faq-gold-soft);
  color: var(--paper);
}

.page-faq .faq-index .mono {
  color: var(--gold);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
}

/* --- 问答分组 --- */
.page-faq .faq-group {
  padding: 42px 0;
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .faq-group__grid {
  display: grid;
  gap: 24px;
}

.page-faq .faq-group__num {
  display: block;
  color: rgba(214, 164, 65, 0.3);
  -webkit-text-stroke: 1px var(--gold);
  font-size: clamp(2.4rem, 9vw, 4rem);
  line-height: 0.86;
  letter-spacing: 0.02em;
}

.page-faq .faq-group__head h2 {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.5rem, 4.6vw, 2.05rem);
  letter-spacing: 0.02em;
  line-height: 1.25;
  margin: 10px 0 10px;
}

.page-faq .faq-group__desc {
  margin: 0;
  max-width: 32ch;
  color: var(--paper-mute);
  font-size: 0.87rem;
  line-height: 1.75;
}

.page-faq .faq-group__link {
  margin: 20px 0 0;
}

/* --- 问答条目 --- */
.page-faq .qa {
  margin: 0;
  border-top: 1px solid var(--faq-edge);
}

.page-faq .qa__item {
  padding: 18px 0 20px 16px;
  border-left: 3px solid transparent;
  border-bottom: 1px solid var(--faq-edge);
  transition: border-left-color 0.2s ease, background-color 0.2s ease;
}

.page-faq .qa__item:hover {
  border-left-color: var(--gold);
  background: rgba(214, 164, 65, 0.045);
}

.page-faq .qa__q {
  margin: 0 0 9px;
  color: var(--paper);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
}

.page-faq .qa__q::before {
  content: "Q";
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-right: 10px;
}

.page-faq .qa__a {
  margin: 0;
  max-width: 66ch;
  color: var(--paper-dim);
  font-size: 0.91rem;
  line-height: 1.85;
}

/* --- 服务与支持 --- */
.page-faq .faq-support {
  padding: 42px 0;
  border-bottom: 1px solid var(--faq-edge);
  background: linear-gradient(180deg, rgba(22, 34, 45, 0.5) 0%, rgba(7, 11, 16, 0) 100%);
}

.page-faq .faq-support__grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-support__body .faq-group__head {
  margin-bottom: 22px;
}

.page-faq .faq-channels {
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--faq-edge);
}

.page-faq .faq-channels__item {
  display: grid;
  gap: 4px;
  padding: 13px 0 14px;
  border-bottom: 1px solid var(--faq-edge);
}

.page-faq .faq-channels__item dt {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--paper-mute);
}

.page-faq .faq-channels__item dd {
  margin: 0;
  color: var(--paper);
  font-size: 0.9rem;
  line-height: 1.7;
}

.page-faq .faq-support__figure {
  margin: 0;
  align-self: start;
}

/* --- 收尾引导 --- */
.page-faq .faq-cta-wrap {
  padding: 40px 0 56px;
}

.page-faq .faq-cta {
  display: grid;
  gap: 20px;
  padding: 24px 20px;
  border: 1px solid var(--faq-edge-strong);
  border-top: 3px solid var(--cinnabar);
  box-shadow: var(--shadow-hard);
  background: var(--ink-800);
}

.page-faq .faq-cta__text {
  margin: 0;
  max-width: 62ch;
  color: var(--paper-dim);
  font-size: 0.93rem;
  line-height: 1.85;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* --- 响应式 --- */
@media (min-width: 560px) {
  .page-faq .faq-index {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero .crumbs {
    padding-top: 26px;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.68fr) minmax(230px, 0.62fr);
    gap: 56px;
    align-items: end;
    padding: 46px 0 40px;
  }

  .page-faq .faq-hero__figure {
    margin-top: 30px;
  }

  .page-faq .faq-jump {
    padding-top: 44px;
  }

  .page-faq .faq-index {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-faq .faq-group {
    padding: 58px 0;
  }

  .page-faq .faq-group__grid {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 56px;
  }

  .page-faq .faq-group__head {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-faq .faq-group__link {
    grid-column: 2;
    margin-top: 22px;
  }

  .page-faq .faq-support {
    padding: 58px 0;
  }

  .page-faq .faq-support__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(240px, 0.65fr);
    gap: 52px;
    align-items: start;
  }

  .page-faq .faq-support__body .faq-group__head {
    position: static;
  }

  .page-faq .faq-cta-wrap {
    padding: 52px 0 72px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
    padding: 30px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index a,
  .page-faq .qa__item {
    transition: none;
  }
}