.page-faq {
  --faq-gap: clamp(14px, 2.4vw, 24px);
  background: var(--ink);
  color: var(--white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

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

.page-faq a {
  color: inherit;
  text-decoration: none;
}

.page-faq .breadcrumbs a {
  color: var(--dim);
}

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

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  position: relative;
  padding: clamp(18px, 3vw, 30px) 0 clamp(34px, 6vw, 68px);
  border-bottom: 1px solid var(--line);
  background:
    repeating-linear-gradient(115deg, rgba(200, 255, 61, 0.055) 0 1px, transparent 1px 48px),
    radial-gradient(130% 90% at 88% -20%, rgba(54, 200, 255, 0.16), transparent 62%),
    radial-gradient(90% 80% at 4% 110%, rgba(255, 106, 42, 0.12), transparent 60%),
    var(--ink);
}

.page-faq .faq-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .faq-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 8.6vw, 88px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .faq-hero__title br {
  display: none;
}

.page-faq .faq-hero__lede {
  max-width: 46ch;
  margin: 20px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--dim);
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-faq .faq-hero__panel {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  background: rgba(14, 18, 16, 0.74);
  padding: clamp(18px, 3vw, 26px);
}

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

.page-faq .faq-channel {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-faq .faq-channel li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--dim);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-faq .faq-channel li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-faq .faq-channel__key {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue);
}

.page-faq .faq-panel__foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim-2);
}

/* ---------- 阶段导航 ---------- */
.page-faq .faq-stages {
  padding: clamp(40px, 7vw, 78px) 0 clamp(24px, 4vw, 40px);
}

.page-faq .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(26px, 4.4vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .section-note {
  max-width: 60ch;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--dim);
}

.page-faq .stage-rail {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(20px, 3vw, 30px);
}

.page-faq .stage-card {
  display: grid;
  gap: 6px;
  padding: 20px 20px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  background: linear-gradient(170deg, rgba(14, 18, 16, 0.94), rgba(7, 26, 20, 0.72));
  transition: border-color 0.24s ease, transform 0.24s ease, background 0.24s ease;
}

.page-faq .stage-card:hover,
.page-faq .stage-card:focus-visible {
  border-color: var(--lime);
  transform: translateY(-3px);
  outline: none;
}

.page-faq .stage-card__num {
  font-family: var(--font-mono);
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.2px var(--lime);
  letter-spacing: 0.02em;
}

.page-faq .stage-card__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-faq .stage-card__sub {
  font-size: 14px;
  line-height: 1.65;
  color: var(--dim);
}

.page-faq .stage-card__count {
  margin-top: 6px;
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  color: var(--blue);
}

.page-faq .faq-jump {
  display: grid;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
  padding-top: clamp(18px, 3vw, 26px);
  border-top: 1px solid var(--line);
}

.page-faq .faq-jump__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim-2);
}

.page-faq .jump-pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 15px;
  border-radius: var(--pill);
  border: 1px solid var(--line-strong);
  font-size: 14px;
  color: var(--white);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-faq .jump-pill:hover,
.page-faq .jump-pill:focus-visible {
  background: var(--blue);
  border-color: var(--blue);
  color: var(--ink);
  outline: none;
}

/* ---------- 问答区块 ---------- */
.page-faq .qa-block {
  padding: clamp(34px, 6vw, 68px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 24px;
}

.page-faq .qa-block__head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(12px, 2.4vw, 22px);
  align-items: start;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-faq .index-num {
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 62px);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--lime);
}

.page-faq .index-num--ink {
  -webkit-text-stroke: 1.4px var(--orange);
}

.page-faq .qa-block__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-faq .qa-block__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
}

.page-faq .qa-list {
  display: grid;
}

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

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

.page-faq .qa__summary {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(15px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.55;
  color: var(--white);
}

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

.page-faq .qa__summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 4px;
  border-radius: 6px;
}

.page-faq .qa__sign {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--dim);
  transition: transform 0.22s ease, background 0.22s ease, color 0.22s ease, border-color 0.22s ease;
}

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

.page-faq .qa__a {
  padding: 0 0 20px 44px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dim);
}

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

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

.page-faq .qa__a a {
  color: var(--blue);
  border-bottom: 1px solid rgba(54, 200, 255, 0.4);
}

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

.page-faq .qa__steps {
  margin: 10px 0;
  padding-left: 20px;
  display: grid;
  gap: 6px;
}

.page-faq .qa__steps li {
  line-height: 1.75;
}

.page-faq .qa-sub {
  margin: clamp(26px, 4vw, 44px) 0 14px;
  padding-left: 14px;
  border-left: 3px solid var(--lime);
  scroll-margin-top: 24px;
}

.page-faq .qa-sub__title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.4vw, 21px);
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-faq .qa-sub__note {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
}

/* ---------- 图片 ---------- */
.page-faq .qa-block__figure,
.page-faq .qa-figure-row {
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-faq .media-frame {
  margin: 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
}

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

.page-faq .media-frame__caption {
  padding: 10px 14px 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--dim-2);
  background: rgba(14, 18, 16, 0.9);
}

/* ---------- 纸色导出区 ---------- */
.page-faq .qa-block--paper {
  background: var(--paper);
  color: var(--paper-ink);
  border-top-color: rgba(26, 29, 25, 0.2);
}

.page-faq .qa-block--paper .qa-block__title {
  color: var(--paper-ink);
}

.page-faq .qa-block--paper .qa-block__note {
  color: rgba(26, 29, 25, 0.66);
}

.page-faq .qa-block--paper .qa {
  border-bottom-color: rgba(26, 29, 25, 0.18);
}

.page-faq .qa-block--paper .qa:first-child {
  border-top-color: rgba(26, 29, 25, 0.18);
}

.page-faq .qa-block--paper .qa__summary {
  color: var(--paper-ink);
}

.page-faq .qa-block--paper .qa__sign {
  border-color: rgba(26, 29, 25, 0.28);
  color: rgba(26, 29, 25, 0.6);
}

.page-faq .qa-block--paper .qa[open] .qa__sign {
  background: var(--paper-ink);
  border-color: var(--paper-ink);
  color: var(--paper);
}

.page-faq .qa-block--paper .qa__a {
  color: rgba(26, 29, 25, 0.78);
}

.page-faq .qa-block--paper .qa__a a {
  color: var(--lime-ink);
  border-bottom-color: rgba(95, 125, 6, 0.45);
}

.page-faq .qa-block--paper .qa__a a:hover,
.page-faq .qa-block--paper .qa__a a:focus-visible {
  color: var(--paper-ink);
  border-bottom-color: var(--paper-ink);
}

.page-faq .qa-block--paper .qa__summary:focus-visible {
  outline-color: var(--lime-ink);
}

/* ---------- 下一步 ---------- */
.page-faq .faq-next {
  padding: clamp(38px, 6vw, 72px) 0 clamp(46px, 8vw, 88px);
  border-top: 1px solid var(--line);
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(200, 255, 61, 0.1), transparent 62%),
    var(--ink);
}

.page-faq .faq-next__grid {
  display: grid;
  gap: var(--faq-gap);
  margin-top: clamp(18px, 3vw, 28px);
}

.page-faq .next-card {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 20px 20px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-m);
  background: rgba(14, 18, 16, 0.8);
  transition: border-color 0.22s ease, transform 0.22s ease;
}

.page-faq .next-card:hover,
.page-faq .next-card:focus-visible {
  border-color: var(--lime);
  transform: translateY(-3px);
  outline: none;
}

.page-faq .next-card__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-faq .next-card__title {
  font-size: clamp(16px, 2.2vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-faq .next-card__arrow {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--dim);
}

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

  .page-faq .faq-jump {
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__title br {
    display: inline;
  }

  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.85fr);
    align-items: end;
  }

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

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

  .page-faq .qa-block__figure {
    float: none;
    max-width: 760px;
  }

  .page-faq .qa-figure-row {
    max-width: 880px;
    margin-left: auto;
  }

  .page-faq .qa__summary {
    padding: 20px 0;
  }

  .page-faq .qa__a {
    padding-left: 44px;
    max-width: 74ch;
  }
}

@media (min-width: 1180px) {
  .page-faq .qa-block:nth-of-type(odd) .qa-list {
    max-width: 980px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .stage-card,
  .page-faq .next-card,
  .page-faq .qa__sign {
    transition: none;
  }

  .page-faq .stage-card:hover,
  .page-faq .stage-card:focus-visible,
  .page-faq .next-card:hover,
  .page-faq .next-card:focus-visible {
    transform: none;
  }
}
<<<END>>>