.page-faq {
  --faq-flow: 62ch;
  --faq-index-w: 268px;
}

/* ---------- 页首 ---------- */
.page-faq .faq-hero {
  padding-top: calc(var(--header-h) + 2.25rem);
  background: linear-gradient(180deg, rgba(10, 33, 56, 0.78) 0%, rgba(6, 24, 43, 0) 68%);
}

.page-faq .faq-hero .breadcrumb {
  margin-bottom: 1.4rem;
}

.page-faq .faq-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--coral);
  text-transform: uppercase;
  margin: 0;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-head);
  font-size: clamp(1.85rem, 4.6vw, 3rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--ink);
  margin: 0.7rem 0 0;
  max-width: 620px;
}

.page-faq .faq-hero .lede {
  margin: 1.1rem 0 0;
  max-width: 640px;
  font-size: 1.03rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-faq .faq-hero-media {
  position: relative;
  margin-top: 2.5rem;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--deep-800);
}

.page-faq .faq-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 480;
  object-fit: cover;
}

.page-faq .faq-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(30, 68, 104, 0.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 68, 104, 0.42) 1px, transparent 1px);
  background-size: 84px 84px;
}

/* ---------- 快捷跳转条 ---------- */
.page-faq .faq-jumpbar {
  border-bottom: 1px solid var(--line);
  background: var(--deep-800);
}

.page-faq .faq-jumpbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.55rem 0.5rem;
  padding: 0.95rem 0;
}

.page-faq .faq-jumpbar-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
  margin-right: 0.35rem;
}

.page-faq .faq-jump-link {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-jump-link:hover,
.page-faq .faq-jump-link:focus-visible {
  color: var(--deep-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  padding-top: 2.75rem;
  padding-bottom: 4rem;
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 4.5rem;
    padding-top: 3.5rem;
    padding-bottom: 6rem;
  }
}

/* ---------- 左侧问题索引 ---------- */
.page-faq .faq-index {
  border-top: 1px solid var(--line);
  padding-top: 1.1rem;
}

.page-faq .faq-index-title {
  margin: 0 0 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--slate);
}

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

.page-faq .faq-index-link {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  gap: 0.5rem;
  align-items: baseline;
  padding: 0.68rem 0.6rem 0.68rem 0.85rem;
  border-left: 2px solid transparent;
  border-bottom: 1px solid var(--grid-line);
  color: var(--mist);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.5;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-faq .faq-index-link:hover,
.page-faq .faq-index-link:focus-visible {
  color: var(--ink);
  background: var(--deep-800);
  border-left-color: var(--cyan);
}

.page-faq .faq-index-no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--slate);
  transition: color 0.18s var(--ease);
}

.page-faq .faq-index-link:hover .faq-index-no,
.page-faq .faq-index-link:focus-visible .faq-index-no {
  color: var(--cyan);
}

@media (min-width: 1000px) {
  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h-sm) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--header-h-sm) - 56px);
    overflow-y: auto;
    scrollbar-width: thin;
  }
}

/* ---------- 答案列 ---------- */
.page-faq .faq-answers {
  counter-reset: faq;
  min-width: 0;
}

.page-faq .faq-item {
  counter-increment: faq;
  border-top: 1px solid var(--line);
  padding: 1.75rem 0 2.6rem;
  scroll-margin-top: calc(var(--header-h-sm) + 24px);
}

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

.page-faq .faq-item::before {
  content: counter(faq, decimal-leading-zero);
  display: block;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--coral);
  margin-bottom: 0.6rem;
}

.page-faq .faq-item h2 {
  font-family: var(--font-head);
  font-size: clamp(1.16rem, 2.4vw, 1.5rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.012em;
  color: var(--ink);
  margin: 0 0 0.95rem;
}

.page-faq .faq-item-body {
  max-width: var(--faq-flow);
}

.page-faq .faq-item-body p {
  margin: 0 0 0.85rem;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--mist);
}

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

.page-faq .faq-item-body strong {
  color: var(--gold);
  font-weight: 600;
}

/* ---------- 图 ---------- */
.page-faq .faq-figure {
  margin: 1.6rem 0 0;
  max-width: 640px;
}

.page-faq .faq-figure-frame {
  position: relative;
  border: 1px solid var(--line);
  background: var(--deep-800);
  overflow: hidden;
}

.page-faq .faq-figure-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1000 / 640;
  object-fit: cover;
}

.page-faq .faq-figure-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(30, 68, 104, 0.36) 1px, transparent 1px);
  background-size: 56px 100%;
}

.page-faq .faq-figure figcaption {
  margin-top: 0.62rem;
  font-size: 0.78rem;
  line-height: 1.62;
  color: var(--slate);
}

/* ---------- 旁注 ---------- */
.page-faq .faq-note {
  max-width: var(--faq-flow);
  margin: 1.2rem 0 0;
  padding: 0.85rem 1.05rem;
  border-left: 2px solid var(--coral);
  background: var(--deep-800);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 620px) {
  .page-faq .faq-hero {
    padding-top: calc(var(--header-h) + 1.5rem);
  }

  .page-faq .faq-hero-media {
    margin-top: 1.75rem;
  }

  .page-faq .faq-hero-media img {
    aspect-ratio: 16 / 7;
  }

  .page-faq .faq-jumpbar-inner {
    gap: 0.45rem 0.4rem;
    padding: 0.8rem 0;
  }

  .page-faq .faq-jump-link {
    font-size: 0.72rem;
    padding: 0.26rem 0.55rem;
  }

  .page-faq .faq-layout {
    padding-top: 2rem;
    padding-bottom: 3rem;
  }

  .page-faq .faq-index-link {
    grid-template-columns: 1.9rem 1fr;
    font-size: 0.86rem;
  }

  .page-faq .faq-item {
    padding: 1.4rem 0 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump-link,
  .page-faq .faq-index-link,
  .page-faq .faq-index-no {
    transition: none;
  }
}
<<<END>>>