.page-faq {
  --faq-panel-pad: clamp(16px, 2.4vw, 22px);
  --faq-rule: rgba(242, 96, 60, 0.42);
}

.page-faq .breadcrumbs {
  padding-top: clamp(14px, 2.4vw, 24px);
}

/* 引导区 */
.page-faq .faq-hero {
  padding: clamp(20px, 3.6vw, 40px) 0 clamp(24px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3.4vw, 40px);
  align-items: end;
}

.page-faq .faq-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 6.4vw, 3.9rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 10px 0 16px;
  color: var(--chalk);
}

.page-faq .faq-hero__lead {
  font-size: clamp(0.95rem, 1.5vw, 1.05rem);
  line-height: 1.8;
  color: var(--mist);
  max-width: 36em;
  margin: 0;
}

.page-faq .faq-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.22);
  overflow: hidden;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.9) contrast(1.05);
}

/* 控制台骨架 */
.page-faq .faq-main {
  padding: clamp(26px, 4.4vw, 56px) 0 0;
}

.page-faq .faq-console {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3.4vw, 44px);
  align-items: start;
}

/* 左侧分组索引 */
.page-faq .faq-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin: 0 0 -4px;
  scrollbar-width: none;
}

.page-faq .faq-rail::-webkit-scrollbar {
  display: none;
}

.page-faq .faq-rail__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--mist);
  font-size: 0.82rem;
  line-height: 1.3;
  white-space: nowrap;
  text-decoration: none;
  transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.page-faq .faq-rail__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--chalk);
  border-color: var(--line-strong);
}

/* 分组 */
.page-faq .faq-group {
  padding-bottom: clamp(20px, 3vw, 32px);
  margin-bottom: clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--faq-rule);
  scroll-margin-top: 112px;
}

.page-faq .faq-group--last {
  border-bottom: 0;
  margin-bottom: 0;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-faq .faq-group__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-faq .faq-group__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 1.85rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--chalk);
}

.page-faq .faq-group__note {
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--mist);
  margin: 0 0 16px;
  max-width: 42em;
}

/* 折叠问答 */
.page-faq .faq-item__btn {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 15px 2px;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.6;
  text-align: left;
  cursor: pointer;
  transition: color 160ms var(--ease-out);
}

.page-faq .faq-item__btn:hover,
.page-faq .faq-item__btn:focus-visible {
  color: var(--orange);
}

.page-faq .faq-item__q {
  display: block;
  padding-right: 4px;
}

.page-faq .faq-item__dot {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--mist);
  transition: background 180ms var(--ease-out), box-shadow 180ms var(--ease-out);
}

.page-faq .faq-item__btn[aria-expanded="true"] .faq-item__dot {
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(67, 211, 198, 0.16);
}

.page-faq .faq-item__btn[aria-expanded="false"] + .faq-item__panel {
  display: none;
}

.page-faq .faq-item__panel {
  background: var(--paper);
  color: var(--ink);
  padding: var(--faq-panel-pad);
  margin: 0 0 14px;
  font-size: 0.95rem;
  line-height: 1.8;
  box-shadow: 0 2px 0 var(--paper-shadow), 0 10px 22px rgba(0, 0, 0, 0.26);
}

.page-faq .faq-item__panel p {
  margin: 0 0 0.85em;
}

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

.page-faq .faq-item__figure {
  margin: 14px 0 0;
  border: 1px solid var(--paper-line);
  overflow: hidden;
}

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

/* 直接联系分组 */
.page-faq .faq-reach {
  border-left: 2px solid var(--orange);
  padding-left: clamp(14px, 2.4vw, 20px);
}

.page-faq .faq-reach p {
  margin: 0 0 0.9em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--chalk);
  max-width: 42em;
}

.page-faq .faq-reach__addr {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  color: var(--mist);
}

/* 收束区 */
.page-faq .faq-cta {
  padding: clamp(30px, 5vw, 60px) 0 clamp(44px, 7vw, 84px);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  border-top: 1px solid var(--line-strong);
  padding-top: clamp(22px, 3.6vw, 38px);
}

.page-faq .faq-cta__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, 2.1rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 8px 0 10px;
  color: var(--chalk);
}

.page-faq .faq-cta__lead {
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--mist);
  margin: 0;
  max-width: 38em;
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-console {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-faq .faq-rail {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: 104px;
  }

  .page-faq .faq-rail__link {
    border: 0;
    border-left: 1px solid var(--line);
    padding: 10px 0 10px 14px;
    font-size: 0.88rem;
    transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-left-color: var(--orange);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__dot,
  .page-faq .faq-rail__link,
  .page-faq .faq-item__btn {
    transition-duration: 120ms;
  }
}
<<<END>>>