.page-faq {
  --faq-cell: 72px;
  --faq-body: rgba(241, 235, 221, .78);
  --faq-faint: rgba(241, 235, 221, .55);
}

.page-faq .faq-topbar {
  padding-top: clamp(14px, 3vw, 26px);
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--stone);
}

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

.page-faq .breadcrumb__list a:hover {
  color: var(--bone);
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--stone);
}

/* ---------- 首屏：问题路由 ---------- */

.page-faq .faq-hero {
  padding: clamp(26px, 5vw, 54px) 0 clamp(30px, 5vw, 58px);
  background-image:
    linear-gradient(90deg, rgba(94, 106, 114, .16) 1px, transparent 1px),
    linear-gradient(0deg, rgba(94, 106, 114, .16) 1px, transparent 1px);
  background-size: var(--faq-cell) var(--faq-cell);
  background-position: center top;
}

.page-faq .faq-hero__inner {
  display: grid;
  gap: clamp(18px, 2.6vw, 28px);
}

.page-faq .faq-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--fd, var(--cyan));
  color: var(--cyan);
}

.page-faq .faq-hero__eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--amber);
  flex: none;
}

.page-faq .faq-hero__eyebrow .mono {
  color: var(--amber);
  font-size: 12px;
  letter-spacing: .06em;
}

.page-faq .faq-hero__title {
  margin: 0;
  max-width: 17em;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 64px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--bone);
}

.page-faq .faq-hero__lead {
  margin: 0;
  max-width: 42em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .route-card {
  --tone: var(--cyan);
  position: relative;
  display: block;
  padding: 18px 18px 20px;
  border: 2px solid var(--line-strong);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
  text-decoration: none;
  color: inherit;
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .route-card::after {
  content: "→";
  position: absolute;
  right: 16px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--tone);
  opacity: .9;
  transition: transform .18s var(--ease);
}

.page-faq .route-card:hover,
.page-faq .route-card:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--tone);
  outline: none;
}

.page-faq .route-card:hover::after,
.page-faq .route-card:focus-visible::after {
  transform: translateX(3px);
}

.page-faq .route-card--adapt { --tone: var(--green); }
.page-faq .route-card--download { --tone: var(--orange); }
.page-faq .route-card--record { --tone: var(--cyan); }
.page-faq .route-card--feedback { --tone: var(--amber); }

.page-faq .route-card__num {
  display: block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--tone);
  margin-bottom: 10px;
}

.page-faq .route-card__title {
  display: block;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -.01em;
  color: var(--bone);
  margin-bottom: 6px;
}

.page-faq .route-card__hint {
  display: block;
  padding-right: 24px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--faq-faint);
}

/* ---------- 首屏配图 ---------- */

.page-faq .faq-figure-wrap {
  padding: 0 0 clamp(10px, 2vw, 20px);
}

.page-faq .faq-figure {
  margin: 0;
  background: var(--ink-2);
}

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

.page-faq .faq-figure--inner {
  margin-top: 18px;
}

/* ---------- 编号问答区块 ---------- */

.page-faq .faq-block {
  padding: clamp(34px, 5.5vw, 72px) 0;
  border-top: 1px solid var(--line-strong);
}

.page-faq .faq-block__inner {
  display: grid;
  gap: 22px;
}

.page-faq .faq-block__head {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-faq .faq-block__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(44px, 9vw, 76px);
  line-height: .9;
  letter-spacing: -.05em;
  color: rgba(241, 235, 221, .1);
  -webkit-text-stroke: 1px rgba(241, 235, 221, .38);
}

.page-faq .faq-block__title {
  margin: 4px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 28px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-faq .faq-block__note {
  margin: 6px 0 0;
  max-width: 30em;
  font-size: 13px;
  line-height: 1.8;
  color: var(--faq-faint);
  padding-left: 12px;
  border-left: 2px solid var(--clay);
}

.page-faq .faq-block__body {
  display: grid;
  gap: 20px;
}

.page-faq .faq-list {
  display: grid;
  border-top: 1px solid var(--line-strong);
}

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

.page-faq .faq-item > summary {
  position: relative;
  display: block;
  padding: 17px 46px 17px 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.55;
  color: var(--bone);
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--cyan);
  transition: color .16s var(--ease);
}

.page-faq .faq-item[open] > summary::after {
  content: "−";
  color: var(--amber);
}

.page-faq .faq-item > summary:hover {
  color: var(--amber);
}

.page-faq .faq-item > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-faq .faq-item__body {
  padding: 0 0 18px;
}

.page-faq .faq-item__body p {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-body);
}

.page-faq .faq-item__body strong {
  color: var(--amber);
  font-weight: 700;
}

/* ---------- 导出三步路径 ---------- */

.page-faq .export-path {
  border: 1px solid var(--line-strong);
  background: var(--ink-2);
  padding: clamp(16px, 3vw, 26px);
}

.page-faq .export-path__label {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ink);
  background: var(--orange);
}

.page-faq .steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .step {
  position: relative;
  padding: 14px 14px 16px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--orange);
  background: var(--ink-3);
}

.page-faq .step__index {
  display: block;
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--orange);
  margin-bottom: 8px;
}

.page-faq .step__title {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.4;
  color: var(--bone);
}

.page-faq .step__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--faq-faint);
}

.page-faq .copy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-faq .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--cyan);
  cursor: pointer;
  transition: background-color .16s var(--ease), border-color .16s var(--ease), color .16s var(--ease);
}

.page-faq .copy-btn:hover {
  background: rgba(53, 197, 192, .14);
  border-color: var(--cyan);
}

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

.page-faq .copy-btn[data-copied] {
  color: var(--green);
  border-color: var(--green);
  background: rgba(63, 175, 138, .14);
}

/* ---------- 收口 CTA ---------- */

.page-faq .faq-cta-wrap {
  padding: clamp(30px, 5vw, 64px) 0 clamp(40px, 6vw, 80px);
}

.page-faq .faq-cta {
  display: grid;
  gap: 18px;
  padding: clamp(22px, 4vw, 38px);
  border: 2px solid var(--amber);
  background: var(--ink-2);
  box-shadow: var(--shadow-hard);
}

.page-faq .faq-cta__title {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 28px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-faq .faq-cta__desc {
  margin: 0;
  max-width: 42em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--faq-body);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 桌面排布 ---------- */

@media (min-width: 720px) {
  .page-faq .route-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .page-faq .steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
  }

  .page-faq .faq-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .page-faq .faq-cta__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 960px) {
  .page-faq .route-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-faq .faq-block__inner {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-faq .faq-block__head {
    position: sticky;
    top: 96px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-faq .route-card,
  .page-faq .route-card::after,
  .page-faq .copy-btn {
    transition: none;
  }

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

.page-faq {
  --fd: currentColor;
}