.page-faq {
  --faq-pad: clamp(20px, 4vw, 52px);
  --faq-glass: rgba(18, 51, 73, 0.52);
  --faq-glass-strong: rgba(18, 51, 73, 0.78);
  background:
    radial-gradient(900px 480px at 88% 0%, rgba(123, 209, 232, 0.10), transparent 65%),
    radial-gradient(700px 420px at 3% 32%, rgba(182, 242, 74, 0.06), transparent 70%),
    var(--ink-900);
  color: var(--fg);
  overflow-x: clip;
}

.page-faq #steps,
.page-faq #fees,
.page-faq #versions,
.page-faq #downloads,
.page-faq #account {
  scroll-margin-top: clamp(72px, 12vh, 120px);
}

.page-faq .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.page-faq .faq-inline-link {
  color: var(--lime-500);
  text-decoration: none;
  border-bottom: 1px dashed rgba(182, 242, 74, 0.6);
}

.page-faq .faq-inline-link:hover {
  color: var(--lime-300);
  border-bottom-color: var(--lime-300);
}

/* ---------- 首屏框景 ---------- */
.page-faq .faq-hero {
  padding-top: clamp(20px, 3.4vw, 48px);
}

.page-faq .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: var(--gap-m);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-faq .breadcrumb a:hover {
  color: var(--lime-500);
}

.page-faq .breadcrumb span:last-child {
  color: var(--white);
}

.page-faq .faq-hero__frame {
  position: relative;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: var(--faq-pad);
  background: linear-gradient(
    158deg,
    rgba(18, 51, 73, 0.72),
    rgba(5, 19, 31, 0.32) 58%,
    rgba(11, 35, 52, 0.66)
  );
  overflow: hidden;
}

.page-faq .faq-hero__frame::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: repeating-linear-gradient(90deg, rgba(30, 74, 99, 0.95) 0 1px, transparent 1px 16px);
}

.page-faq .faq-hero__frame::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 92px;
  height: 3px;
  background: var(--lime-500);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-l);
}

.page-faq .faq-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(30px, 5.8vw, 62px);
  font-weight: 300;
  line-height: 1.12;
  letter-spacing: -0.02em;
  max-width: 20ch;
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-hero__lead .num {
  color: var(--lime-500);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--gap-m);
}

.page-faq .faq-hero__side {
  background: var(--faq-glass);
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-radius: var(--radius);
  padding: clamp(16px, 2.4vw, 24px);
}

.page-faq .faq-side-list {
  list-style: none;
  margin: 14px 0 16px;
  padding: 0;
}

.page-faq .faq-side-list li {
  border-top: 1px solid var(--edge-soft);
}

.page-faq .faq-side-list li:last-child {
  border-bottom: 1px solid var(--edge-soft);
}

.page-faq .faq-side-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--white);
  text-decoration: none;
  transition: color 180ms ease;
}

.page-faq .faq-side-list a::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--lime-500);
}

.page-faq .faq-side-list a:hover,
.page-faq .faq-side-list a:focus-visible {
  color: var(--lime-300);
}

.page-faq .faq-hero__side-note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-faq .faq-hero__side-note .num {
  color: var(--white);
  word-break: break-all;
}

/* ---------- 四步速查 ---------- */
.page-faq .faq-group__head {
  max-width: 66ch;
  margin-bottom: var(--gap-m);
}

.page-faq .faq-group__head h2 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3.6vw, 36px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

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

.page-faq .faq-track {
  list-style: none;
  margin: var(--gap-m) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-m);
}

.page-faq .faq-track__item {
  position: relative;
  padding-top: 26px;
  border-top: 1px dashed rgba(123, 209, 232, 0.32);
}

.page-faq .faq-track__item::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--lime-500);
  box-shadow: 0 0 0 4px rgba(182, 242, 74, 0.14);
}

.page-faq .faq-track__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-faq .faq-track__title {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--white);
}

.page-faq .faq-track__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-faq .media-frame {
  margin: var(--gap-m) 0 0;
}

.page-faq .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--edge);
  border-radius: var(--radius);
}

.page-faq .faq-steps__figure {
  margin-top: var(--gap-l);
}

.page-faq .media-frame--angled img {
  border: 0;
  clip-path: polygon(0 0, 100% 3.5%, 100% 100%, 0 96.5%);
}

.page-faq .media-frame__caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

/* ---------- 分组胶囊 ---------- */
.page-faq .faq-jump {
  margin-top: var(--gap-l);
}

.page-faq .faq-jump__inner {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 10px;
  scroll-snap-type: x proximity;
  scrollbar-width: thin;
}

.page-faq .faq-pill {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--edge);
  border-radius: 999px;
  background: rgba(18, 51, 73, 0.42);
  color: var(--white);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.page-faq .faq-pill .num {
  font-size: 12px;
  color: var(--lime-500);
}

.page-faq .faq-pill:hover,
.page-faq .faq-pill:focus-visible {
  border-color: var(--lime-500);
  background: rgba(182, 242, 74, 0.10);
  color: var(--lime-300);
}

/* ---------- 问题分组 ---------- */
.page-faq .faq-group--alt {
  background: linear-gradient(180deg, rgba(11, 35, 52, 0.72), rgba(5, 19, 31, 0.12));
  border-top: 1px solid var(--edge-soft);
  border-bottom: 1px solid var(--edge-soft);
}

.page-faq .faq-group__figure {
  margin: 0 0 var(--gap-m);
}

.page-faq .faq-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-s);
}

.page-faq .faq-card {
  background: var(--faq-glass);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  padding: 0 16px;
  transition: border-color 180ms ease, background 180ms ease;
}

.page-faq .faq-card:hover {
  border-color: var(--ink-600);
}

.page-faq .faq-card[open] {
  border-color: var(--lime-500);
  background: var(--faq-glass-strong);
}

.page-faq .faq-card summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 15px 0;
  list-style: none;
  cursor: pointer;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
  transition: color 180ms ease;
}

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

.page-faq .faq-card[open] summary {
  color: var(--lime-300);
}

.page-faq .faq-card__sign {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
  margin-left: auto;
  transform: translateY(2px);
}

.page-faq .faq-card__sign::before,
.page-faq .faq-card__sign::after {
  content: "";
  position: absolute;
  background: var(--lime-500);
  transition: transform 180ms ease, background 180ms ease;
}

.page-faq .faq-card__sign::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 2px;
}

.page-faq .faq-card__sign::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
}

.page-faq .faq-card[open] .faq-card__sign::after {
  transform: scaleY(0);
}

.page-faq .faq-card__body {
  padding: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
  border-top: 1px solid var(--edge-soft);
  padding-top: 12px;
  margin-top: 2px;
}

.page-faq .faq-card__body p {
  margin: 0 0 8px;
}

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

.page-faq .faq-card__body .num {
  color: var(--amber-500);
  font-weight: 500;
  word-break: break-all;
}

/* ---------- 结尾求助带 ---------- */
.page-faq .faq-help__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap-m);
  padding: clamp(22px, 4vw, 46px);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  background:
    radial-gradient(520px 260px at 92% 8%, rgba(255, 180, 84, 0.14), transparent 70%),
    linear-gradient(135deg, rgba(30, 74, 99, 0.62), rgba(5, 19, 31, 0.42));
}

.page-faq .faq-help__text h2 {
  margin: 10px 0 12px;
  font-size: clamp(21px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.25;
}

.page-faq .faq-help__text p {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .faq-help__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: var(--gap-m);
}

.page-faq .faq-help__ways {
  list-style: none;
  margin: 0;
  padding: 0;
  align-self: start;
  border-top: 1px solid var(--edge-soft);
}

.page-faq .faq-help__ways li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--edge-soft);
  font-size: 14px;
}

.page-faq .faq-help__ways span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-faq .faq-help__ways strong {
  font-weight: 500;
  color: var(--white);
  word-break: break-all;
}

.page-faq .faq-help__ways strong.num {
  color: var(--amber-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-faq .faq-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(250px, 0.78fr);
    align-items: start;
  }

  .page-faq .faq-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--gap-m);
  }

  .page-faq .faq-help__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1100px) {
  .page-faq .faq-hero__title {
    font-size: clamp(44px, 4.6vw, 64px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-card,
  .page-faq .faq-card summary,
  .page-faq .faq-card__sign::before,
  .page-faq .faq-card__sign::after,
  .page-faq .faq-pill,
  .page-faq .faq-side-list a {
    transition: none;
  }

  .page-faq .faq-card[open] .faq-card__sign::after {
    transform: scaleY(0);
  }
}
<<<END>>>