.page-faq {
  --faq-gap: clamp(28px, 5vw, 64px);
  --faq-index-w: 226px;
  background:
    radial-gradient(120% 78% at 88% -12%, rgba(18, 58, 46, 0.9), transparent 62%),
    radial-gradient(90% 60% at 0% 30%, rgba(26, 31, 36, 0.75), transparent 65%),
    var(--night);
  color: var(--mist);
  padding-bottom: clamp(56px, 9vw, 108px);
}

.page-faq .faq-crumbs {
  padding-top: clamp(20px, 3vw, 36px);
}

.page-faq .breadcrumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dust);
}

.page-faq .breadcrumbs a {
  color: var(--dust);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(26px, 4vw, 54px);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: end;
}

.page-faq .eyebrow {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dust);
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-faq .faq-hero__text h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 6.6vw, 64px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  margin: 0 0 20px;
  max-width: 18ch;
}

.page-faq .faq-hero__text .lead {
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.75;
  color: rgba(232, 237, 240, 0.82);
  max-width: 62ch;
  margin: 0;
}

.page-faq .faq-hero__text .lead a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 243, 74, 0.45);
}

.page-faq .faq-hero__text .lead a:hover {
  border-bottom-color: var(--lime);
}

.page-faq .faq-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-facts > div {
  background: rgba(11, 31, 42, 0.92);
  padding: 12px 14px;
}

.page-faq .faq-facts dt {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dust);
  margin: 0;
}

.page-faq .faq-facts dd {
  margin: 5px 0 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
  letter-spacing: 0.01em;
}

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

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

.page-faq .media-caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--dust);
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body {
  padding-top: clamp(44px, 7vw, 90px);
}

.page-faq .faq-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
}

.page-faq .faq-index {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-faq .faq-index__title {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--dust);
  margin: 0 0 12px;
}

.page-faq .toc {
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.page-faq .toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex: none;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--dust);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-faq .toc__link .num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--dust);
  opacity: 0.75;
}

.page-faq .toc__link:hover,
.page-faq .toc__link:focus-visible {
  color: var(--mist);
  background: rgba(216, 243, 74, 0.05);
}

.page-faq .toc__link.is-active {
  color: var(--lime);
  border-bottom-color: var(--lime);
  background: rgba(216, 243, 74, 0.06);
}

.page-faq .toc__link.is-active .num {
  color: var(--lime);
  opacity: 1;
}

/* ---------- 问答组 ---------- */
.page-faq .faq-group + .faq-group {
  margin-top: clamp(34px, 5vw, 60px);
  padding-top: clamp(34px, 5vw, 60px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-group__head {
  margin-bottom: 20px;
}

.page-faq .faq-group__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 3px 9px;
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  font-weight: 800;
  margin: 12px 0 8px;
}

.page-faq .faq-group__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dust);
  max-width: 62ch;
}

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

.page-faq .qa {
  position: relative;
  border-top: 1px solid var(--line);
}

.page-faq .qa::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: transparent;
  transition: background-color 0.28s var(--ease);
}

.page-faq .qa[open]::before {
  background: var(--lime);
}

.page-faq .qa__q {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 18px 6px 18px 16px;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.5vw, 17px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--mist);
  transition: color 0.24s var(--ease), background-color 0.24s var(--ease);
}

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

.page-faq .qa__q:hover,
.page-faq .qa__q:focus-visible {
  color: var(--lime);
  background: rgba(216, 243, 74, 0.04);
}

.page-faq .qa__mark {
  position: relative;
  width: 20px;
  height: 20px;
  color: var(--dust);
  transition: transform 0.3s var(--ease), color 0.3s var(--ease);
}

.page-faq .qa__mark::before,
.page-faq .qa__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: currentColor;
}

.page-faq .qa__mark::before {
  width: 12px;
  height: 1.5px;
  transform: translate(-50%, -50%);
}

.page-faq .qa__mark::after {
  width: 1.5px;
  height: 12px;
  transform: translate(-50%, -50%);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(45deg);
  color: var(--lime);
}

.page-faq .qa__a {
  padding: 0 6px 20px 16px;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(232, 237, 240, 0.82);
}

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

.page-faq .qa__a a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 243, 74, 0.45);
}

.page-faq .qa__a a:hover {
  border-bottom-color: var(--lime);
}

.page-faq .faq-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.page-faq .faq-chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--amber);
  background: rgba(26, 31, 36, 0.85);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 4px 9px;
}

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

/* ---------- 收尾 ---------- */
.page-faq .faq-outro {
  margin-top: clamp(44px, 7vw, 84px);
}

.page-faq .faq-outro__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(18, 58, 46, 0.72), rgba(26, 31, 36, 0.92));
  padding: clamp(24px, 4vw, 42px);
}

.page-faq .faq-outro__text h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.8vw, 30px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  font-weight: 800;
  margin: 0 0 12px;
}

.page-faq .faq-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dust);
  max-width: 66ch;
}

.page-faq .faq-note a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 243, 74, 0.45);
}

.page-faq .faq-note a:hover {
  border-bottom-color: var(--lime);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .faq-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-body__grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
  }

  .page-faq .faq-index {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
  }

  .page-faq .toc {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding-bottom: 0;
  }

  .page-faq .toc__link {
    white-space: normal;
    border-bottom: none;
    border-left: 2px solid transparent;
    padding: 9px 10px;
  }

  .page-faq .toc__link.is-active {
    border-left-color: var(--lime);
  }
}
<<<END>>>