.page-faq {
  --faq-shadow: 6px 6px 0 rgba(19, 28, 51, .9), 10px 10px 0 rgba(240, 138, 36, .14);
  --faq-card-pad: clamp(18px, 2.4vw, 26px);
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(28px, 4.5vw, 68px) 0 clamp(28px, 4vw, 56px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 224, 210, .09), transparent 58%),
    radial-gradient(100% 80% at 4% 100%, rgba(139, 92, 246, .1), transparent 60%),
    var(--c-space);
}

.page-faq .faq-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(114deg, transparent 0 58%, rgba(240, 138, 36, .1) 58% 58.4%, transparent 58.4%),
    linear-gradient(114deg, transparent 0 70%, rgba(53, 224, 210, .09) 70% 70.35%, transparent 70.35%);
}

.page-faq .faq-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(24px, 3.2vw, 44px);
  align-items: center;
}

.page-faq .breadcrumb {
  margin-bottom: clamp(18px, 2.4vw, 28px);
  font-size: 13px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.page-faq .faq-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(27px, 4.4vw, 48px);
  line-height: 1.22;
  letter-spacing: .01em;
  color: var(--c-mist);
  text-shadow: 0 0 26px rgba(240, 138, 36, .24);
}

.page-faq .faq-hero__lede {
  margin: 0;
  max-width: 54ch;
  font-size: clamp(15.5px, 1.4vw, 17px);
  line-height: 1.9;
  color: var(--c-mist);
  opacity: .9;
}

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

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  border: 1px solid var(--c-steel);
  border-radius: var(--r-md);
  box-shadow: var(--faq-shadow);
  background: var(--c-night);
}

/* ---------- 本节导航条 ---------- */
.page-faq .faq-jump {
  background: var(--c-night);
  border-top: 1px solid var(--c-steel);
  border-bottom: 1px solid var(--c-steel);
  padding: clamp(14px, 2vw, 20px) 0;
}

.page-faq .faq-jump__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  grid-template-columns: 1fr;
}

.page-faq .faq-jump__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--c-steel);
  border-radius: var(--r-sm);
  background: rgba(10, 17, 34, .55);
  color: var(--c-mist);
  text-decoration: none;
  font-size: 14.5px;
  transition: border-color .24s var(--ease), transform .24s var(--ease), color .24s var(--ease);
}

.page-faq .faq-jump__link:hover,
.page-faq .faq-jump__link:focus-visible {
  border-color: var(--c-orange);
  color: var(--c-orange-hi);
  transform: translateY(-2px);
}

.page-faq .faq-jump__num {
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--c-cyan);
}

/* ---------- 快速解答 ---------- */
.page-faq .faq-answers {
  background: var(--c-space);
}

.page-faq .faq-answers__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(26px, 3.6vw, 44px);
}

.page-faq .faq-toc {
  border-left: 2px solid var(--c-steel);
  padding-left: 16px;
}

.page-faq .faq-toc__cap {
  margin: 0 0 12px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  color: var(--c-mist);
  opacity: .76;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color .2s var(--ease), opacity .2s var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--c-orange-hi);
  opacity: 1;
}

.page-faq .faq-toc__num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--c-orange);
}

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

.page-faq .faq-item {
  background: var(--c-paper);
  color: var(--c-ink);
  border: 1px solid var(--c-ink);
  border-radius: var(--r-md);
  box-shadow: var(--faq-shadow);
  scroll-margin-top: 150px;
}

.page-faq .faq-item__q {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(16px, 2vw, 22px) var(--faq-card-pad);
  font-family: var(--font-editorial);
  font-weight: 600;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.55;
  color: var(--c-ink);
}

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

.page-faq .faq-item__q::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--c-orange);
}

.page-faq .faq-item[open] .faq-item__q::after {
  content: "\2212";
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-orange);
}

.page-faq .faq-item__label {
  flex: 1 1 auto;
}

.page-faq .faq-item__a {
  padding: 16px var(--faq-card-pad) clamp(18px, 2.2vw, 24px);
  border-top: 1px solid rgba(43, 59, 87, .34);
}

.page-faq .faq-item__a p {
  margin: 0 0 10px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-steel);
}

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

/* ---------- 图例与符号 ---------- */
.page-faq .faq-legend {
  background: var(--c-night);
  border-top: 1px solid var(--c-steel);
  border-bottom: 1px solid var(--c-steel);
}

.page-faq .faq-legend__figure {
  margin: clamp(26px, 3.6vw, 44px) 0 clamp(24px, 3.4vw, 40px);
}

.page-faq .faq-legend__figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--c-steel);
  border-radius: var(--r-md);
  background: var(--c-space);
  object-fit: cover;
}

.page-faq .faq-legend__figure figcaption {
  margin-top: 12px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--c-mist);
  opacity: .7;
}

.page-faq .faq-legend__grid {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
}

.page-faq .legend-card {
  border: 1px solid var(--c-steel);
  border-top: 3px solid var(--c-orange);
  border-radius: var(--r-md);
  padding: clamp(18px, 2.2vw, 26px);
  background: linear-gradient(180deg, rgba(10, 17, 34, .92), rgba(10, 17, 34, .58));
}

.page-faq .legend-card--cyan {
  border-top-color: var(--c-cyan);
}

.page-faq .legend-card--violet {
  border-top-color: var(--c-violet);
}

.page-faq .legend-card__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  letter-spacing: .05em;
  color: var(--c-mist);
}

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

.page-faq .legend-list__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-mist);
  opacity: .92;
}

.page-faq .legend-dot {
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.page-faq .legend-dot--orange {
  background: var(--c-orange);
  box-shadow: var(--glow-orange);
}

.page-faq .legend-dot--cyan {
  background: var(--c-cyan);
  box-shadow: var(--glow-cyan);
}

.page-faq .legend-dot--violet {
  background: var(--c-violet);
}

.page-faq .legend-code {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--font-data);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--c-cyan);
  border: 1px solid var(--c-steel);
  border-radius: var(--r-sm);
  background: rgba(53, 224, 210, .08);
}

.page-faq .legend-svg {
  display: block;
  width: 100%;
  max-width: 270px;
  height: auto;
  margin-top: 18px;
}

/* ---------- 更新与纠错 ---------- */
.page-faq .faq-cadence {
  background: var(--c-space);
}

.page-faq .faq-cadence__grid {
  display: grid;
  gap: clamp(16px, 2vw, 22px);
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-faq .cadence-card {
  padding: clamp(20px, 2.4vw, 28px);
  border: 1px solid var(--c-steel);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--r-sm);
  background: var(--c-night);
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-faq .cadence-card:hover {
  border-color: var(--c-orange);
  transform: translateY(-3px);
}

.page-faq .cadence-card__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: .04em;
  color: var(--c-orange-hi);
}

.page-faq .cadence-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-mist);
  opacity: .9;
}

.page-faq .faq-fix {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 0;
  counter-reset: faqfix;
  border-top: 1px solid var(--c-steel);
}

.page-faq .faq-fix__item {
  counter-increment: faqfix;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 18px 0;
  border-bottom: 1px solid var(--c-steel);
}

.page-faq .faq-fix__item::before {
  content: counter(faqfix, decimal-leading-zero);
  font-family: var(--font-data);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--c-orange);
}

.page-faq .faq-fix__item p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-faq .faq-cadence__note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--c-mist);
  opacity: .9;
}

.page-faq .faq-inline-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 210, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible {
  color: var(--c-orange-hi);
  border-color: var(--c-orange);
}

/* ---------- 还没解决 ---------- */
.page-faq .faq-stuck {
  background:
    radial-gradient(90% 70% at 12% 100%, rgba(240, 138, 36, .12), transparent 62%),
    var(--c-space);
}

.page-faq .faq-stuck__inner {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-faq .stuck-card {
  padding: clamp(24px, 3.4vw, 44px);
  background: var(--c-paper);
  color: var(--c-ink);
  border: 1px solid var(--c-ink);
  border-radius: var(--r-md);
  box-shadow: var(--faq-shadow);
}

.page-faq .stuck-card .section__title {
  margin-top: 8px;
}

.page-faq .stuck-card__text {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--c-steel);
}

.page-faq .stuck-card__actions {
  margin: 0;
}

.page-faq .stuck-contact {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-steel);
}

.page-faq .stuck-contact__item {
  padding: 16px 0;
  border-bottom: 1px solid var(--c-steel);
}

.page-faq .stuck-contact__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-faq .stuck-contact__value {
  display: block;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-mist);
  overflow-wrap: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-jump__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

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

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

  .page-faq .cadence-card:nth-child(2) {
    margin-top: 22px;
  }

  .page-faq .cadence-card:nth-child(3) {
    margin-top: 44px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-stuck__inner {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-answers__grid {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: clamp(28px, 3.6vw, 52px);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: 148px;
    align-self: start;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-item:nth-child(3n + 2) {
    margin-left: 22px;
  }

  .page-faq .faq-item:nth-child(3n + 3) {
    margin-left: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-jump__link,
  .page-faq .cadence-card,
  .page-faq .faq-toc__link,
  .page-faq .faq-inline-link {
    transition: none;
  }
}
<<<END>>>