.page-faq {
  --faq-panel: rgba(18, 56, 46, 0.46);
  --faq-panel-strong: rgba(18, 56, 46, 0.78);
  --faq-soft: rgba(12, 39, 32, 0.72);
  background: var(--ink);
  color: var(--mist);
  font-family: var(--sans);
}

.page-faq a {
  color: inherit;
}

.page-faq .mono {
  font-family: var(--mono);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  padding: 28px 0 52px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(95% 130% at 6% 0%, #12382E 0%, #0C2720 50%, #071A16 100%);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--line-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-faint) 1px, transparent 1px);
  background-size: 86px 86px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 85%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.9), transparent 85%);
}

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

.page-faq .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-faq .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-faq .breadcrumbs a {
  color: var(--steel);
  text-decoration: none;
}

.page-faq .breadcrumbs a:hover,
.page-faq .breadcrumbs a:focus-visible {
  color: var(--gold-lit);
}

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

.page-faq .faq-hero-grid {
  display: grid;
  gap: 30px;
}

.page-faq .faq-title {
  margin: 14px 0 0;
  font-family: var(--serif);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 66px);
  line-height: 1.1;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-faq .faq-lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-quicklinks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-quicklinks a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(7, 26, 22, 0.5);
  color: var(--paper);
  font-size: 13px;
  line-height: 1.3;
  text-decoration: none;
  transition: border-color 0.22s var(--ease), color 0.22s var(--ease), background 0.22s var(--ease);
}

.page-faq .faq-quicklinks a .mono {
  font-size: 10px;
  color: var(--seal-warm);
  letter-spacing: 0.08em;
}

.page-faq .faq-quicklinks a:hover,
.page-faq .faq-quicklinks a:focus-visible {
  border-color: var(--gold);
  background: rgba(18, 56, 46, 0.7);
  color: var(--gold-lit);
}

.page-faq .faq-hero-fig {
  margin: 0;
  border: 1px solid var(--line);
  background: #05130F;
}

.page-faq .fig-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-faq .fig-cap {
  padding: 10px 12px 12px;
  font-family: var(--mono);
  font-size: 11px;
  line-height: 1.7;
  color: var(--steel);
  border-top: 1px solid var(--line-faint);
}

/* ---------- 主体布局 ---------- */
.page-faq .faq-body {
  background: linear-gradient(180deg, #071A16 0%, #0A211B 45%, #071A16 100%);
}

.page-faq .faq-layout {
  display: grid;
  gap: 34px;
}

.page-faq .faq-aside {
  display: grid;
  gap: 18px;
}

.page-faq .faq-toc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--faq-soft);
  padding: 18px 18px 20px;
}

.page-faq .faq-toc-title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-toc-list li + li {
  border-top: 1px solid var(--line-faint);
}

.page-faq .faq-toc-list a {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 8px;
  padding: 10px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}

.page-faq .faq-toc-list a:hover,
.page-faq .faq-toc-list a:focus-visible {
  color: var(--gold-lit);
  padding-left: 4px;
}

.page-faq .faq-toc-num {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--steel);
  padding-top: 3px;
}

.page-faq .faq-aside-fig {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: #05130F;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin: 0 0 44px;
  scroll-margin-top: 108px;
}

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

.page-faq .faq-group-head {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-group-idx {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--seal-warm);
}

.page-faq .faq-group-title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(21px, 4.4vw, 31px);
  line-height: 1.3;
  color: var(--paper);
}

.page-faq .faq-group-lede {
  margin: 14px 0 20px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-item {
  margin-bottom: 10px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--faq-panel);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease);
}

.page-faq .faq-item[open] {
  border-color: rgba(201, 162, 75, 0.62);
  background: var(--faq-panel-strong);
}

.page-faq .faq-item > summary {
  position: relative;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 15px 46px 15px 16px;
  list-style: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper);
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 12px;
  font-family: var(--mono);
  font-size: 18px;
  line-height: 1.4;
  color: var(--gold);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
  color: var(--seal-warm);
}

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

.page-faq .faq-q {
  flex: none;
  padding-top: 4px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-faq .faq-answer {
  padding: 2px 18px 18px;
  border-top: 1px solid var(--line-faint);
}

.page-faq .faq-answer p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-answer .faq-concl {
  padding-left: 12px;
  border-left: 2px solid var(--gold);
  color: var(--paper);
  font-weight: 600;
}

.page-faq .faq-steps {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
}

.page-faq .faq-steps li {
  counter-increment: faqstep;
  position: relative;
  padding: 6px 0 6px 30px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-steps li::before {
  content: counter(faqstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 8px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--steel);
}

.page-faq .faq-link {
  color: var(--gold-lit);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--paper);
  background: rgba(201, 162, 75, 0.16);
}

/* ---------- 收束区 ---------- */
.page-faq .faq-final {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px 24px;
  background:
    linear-gradient(158deg, rgba(179, 58, 43, 0.2) 0%, rgba(12, 39, 32, 0.92) 58%, rgba(7, 26, 22, 0.96) 100%);
}

.page-faq .faq-final-title {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}

.page-faq .faq-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 10px;
  align-items: baseline;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line-faint);
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-faq .faq-checklist li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-faq .faq-checklist .mono {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--seal-warm);
}

.page-faq .faq-final-note {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .faq-final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 34px 0 64px;
  }

  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: 38px;
  }

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

  .page-faq .faq-checklist li {
    border-bottom: 1px solid var(--line-faint);
  }

  .page-faq .faq-answer {
    padding: 2px 22px 22px;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: minmax(210px, 3fr) minmax(0, 8fr);
    gap: 56px;
    align-items: start;
  }

  .page-faq .faq-aside {
    position: sticky;
    top: 96px;
  }

  .page-faq .faq-group {
    margin-bottom: 52px;
  }

  .page-faq .faq-item > summary {
    padding: 17px 52px 17px 20px;
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>