.page-faq {
  --faq-gap: clamp(28px, 5vw, 60px);
  --faq-pad: clamp(18px, 3vw, 34px);
  --faq-space: clamp(48px, 7vw, 96px);
  background:
    radial-gradient(120% 70% at 100% 0%, rgba(52, 231, 210, 0.07), transparent 62%),
    var(--c-base);
  color: var(--c-ink);
  font-size: 16px;
  line-height: 1.75;
  padding-block: clamp(20px, 4vw, 44px) clamp(64px, 9vw, 120px);
}

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

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-muted);
}

.page-faq .breadcrumbs__link {
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .breadcrumbs__link:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-faq .breadcrumbs__sep {
  color: var(--c-line);
}

.page-faq .breadcrumbs__current {
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  margin-top: clamp(20px, 3vw, 36px);
  max-width: 64rem;
}

.page-faq .faq-hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  padding: 6px 12px;
  border: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-faq .faq-hero__dot {
  width: 6px;
  height: 6px;
  background: var(--c-cyan);
  flex: 0 0 auto;
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  max-width: 16em;
  font-size: clamp(28px, 5.4vw, 56px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.015em;
  overflow-wrap: break-word;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--c-muted);
}

/* ---------- 关键节奏条 ---------- */
.page-faq .faq-facts {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-faq .faq-facts li {
  background: var(--c-deep);
  padding: 16px clamp(14px, 2vw, 22px);
  min-width: 0;
}

.page-faq .faq-facts__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 500;
  line-height: 1.1;
  color: var(--c-cyan);
}

.page-faq .faq-facts__unit {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  margin-left: 6px;
}

.page-faq .faq-facts__label {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--c-muted);
}

/* ---------- 头图 ---------- */
.page-faq .faq-figure {
  margin: clamp(28px, 4vw, 46px) 0 0;
  border: 1px solid var(--c-line);
  background: var(--c-steel);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  padding: 11px clamp(14px, 2vw, 22px);
  border-top: 1px solid var(--c-line);
  background: var(--c-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

/* ---------- 索引 + 问答主区 ---------- */
.page-faq .faq-deck {
  margin-top: var(--faq-space);
  display: grid;
  gap: var(--faq-gap);
}

.page-faq .faq-deck__index {
  min-width: 0;
}

.page-faq .faq-deck__thumb {
  margin: 0 0 16px;
  max-width: 150px;
  border: 1px solid var(--c-line);
  background: var(--c-deep);
}

.page-faq .faq-deck__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-faq .faq-deck__indexlabel {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-muted);
}

.page-faq .faq-seg {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.page-faq .faq-seg .segmented__tab {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 10px;
  width: 100%;
  padding: 12px 12px 12px 14px;
  text-align: left;
  font: inherit;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-muted);
  background: transparent;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-line);
  border-radius: 0;
  cursor: pointer;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-faq .faq-seg .segmented__tab:hover {
  color: var(--c-ink);
  background: var(--c-steel);
}

.page-faq .faq-seg .segmented__tab:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-faq .faq-seg .segmented__tab[aria-selected="true"] {
  color: var(--c-ink);
  background: var(--c-deep);
  border-left-color: var(--c-cyan);
}

.page-faq .faq-seg__idx {
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-faq .faq-seg__label {
  min-width: 0;
  overflow-wrap: break-word;
}

.page-faq .faq-deck__panels {
  min-width: 0;
}

/* ---------- 问答面板 ---------- */
.page-faq .faq-panel {
  min-width: 0;
  padding: var(--faq-pad);
  background: var(--c-deep);
  border: 1px solid var(--c-line);
}

.page-faq .faq-panel:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.page-faq .faq-panel__head {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--c-line);
}

.page-faq .faq-panel__idx {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--c-cyan-deep);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-faq .faq-panel__title {
  margin: 14px 0 8px;
  font-size: clamp(20px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-faq .faq-panel__lead {
  margin: 0;
  max-width: 44em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-muted);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa {
  border-bottom: 1px solid var(--c-line);
}

.page-faq .qa__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 4px 18px 0;
  list-style: none;
  cursor: pointer;
  font-size: clamp(15px, 1.7vw, 17px);
  font-weight: 600;
  line-height: 1.6;
  color: var(--c-ink);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .qa__q:hover {
  color: var(--c-cyan);
}

.page-faq .qa__mark {
  flex: 0 0 auto;
  width: 0;
  height: 0;
  margin-top: 9px;
  border-left: 7px solid var(--c-cyan);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transition: transform var(--dur) var(--ease);
}

.page-faq .qa[open] .qa__mark {
  transform: rotate(90deg);
}

.page-faq .qa[open] .qa__q {
  color: var(--c-cyan);
}

.page-faq .qa__text {
  min-width: 0;
}

.page-faq .qa__a {
  padding: 0 0 20px 21px;
  color: var(--c-muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-faq .qa__a p {
  margin: 0 0 10px;
  max-width: 42em;
}

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

.page-faq .qa__note {
  margin: 12px 0 0;
  padding: 12px 14px;
  background: var(--c-paper);
  color: var(--c-base);
  border-left: 3px solid var(--c-cyan);
  font-size: 14px;
  line-height: 1.7;
}

.page-faq .qa-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-cyan-deep);
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .qa-link:hover {
  color: var(--c-ink);
  border-bottom-color: var(--c-ink);
}

.page-faq .qa__note .qa-link {
  color: var(--c-cyan-deep);
  border-bottom-color: var(--c-cyan-deep);
}

/* ---------- 收尾：还有问题 ---------- */
.page-faq .faq-help {
  margin-top: clamp(56px, 8vw, 110px);
  padding: var(--faq-pad);
  border: 1px solid var(--c-line);
  background: linear-gradient(140deg, var(--c-steel) 0%, var(--c-deep) 58%, var(--c-base) 100%);
}

.page-faq .faq-help__idx {
  display: inline-block;
  padding: 2px 8px;
  border: 1px solid var(--c-line);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--c-cyan);
}

.page-faq .faq-help__title {
  margin: 14px 0 12px;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 800;
  line-height: 1.22;
}

.page-faq .faq-help__lead {
  margin: 0 0 clamp(22px, 3vw, 32px);
  max-width: 44em;
  font-size: 15px;
  color: var(--c-muted);
}

.page-faq .faq-help__grid {
  display: grid;
  gap: 14px;
}

.page-faq .faq-help__card {
  padding: 16px 18px;
  background: rgba(10, 22, 38, 0.72);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-cyan-deep);
}

.page-faq .faq-help__card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-faq .faq-help__card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-muted);
}

.page-faq .faq-contact {
  margin-top: clamp(24px, 3vw, 34px);
  display: grid;
  gap: 10px;
}

.page-faq .faq-contact .contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 12px;
  padding-top: 10px;
  border-top: 1px solid var(--c-line);
  font-size: 14.5px;
}

.page-faq .faq-contact .contact-line__k {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-faq .faq-contact .contact-line__v {
  min-width: 0;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-faq .faq-more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(24px, 3vw, 34px);
}

.page-faq .faq-more .btn {
  text-decoration: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-faq .faq-deck__thumb {
    max-width: 200px;
  }

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

  .page-faq .faq-help__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-faq .faq-seg .segmented__tab {
    font-size: 14px;
    padding: 13px 14px 13px 16px;
  }
}

@media (min-width: 920px) {
  .page-faq .faq-deck {
    grid-template-columns: minmax(220px, 288px) minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-deck__index {
    position: sticky;
    top: calc(var(--strip-h) + 24px);
  }

  .page-faq .faq-deck__thumb {
    max-width: none;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .qa__mark,
  .page-faq .qa__q,
  .page-faq .qa-link,
  .page-faq .faq-seg .segmented__tab,
  .page-faq .breadcrumbs__link {
    transition: none;
  }

  .page-faq .qa[open] .qa__mark {
    transform: none;
    border-left-color: var(--c-ink);
  }
}
<<<PAGE_CSS_DONE>>>