.page-faq {
  --faq-accent: var(--ky-cyan);
  --faq-panel: rgba(20, 38, 77, 0.62);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--ky-line-soft);
}

.page-faq .faq-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  margin-top: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-hero__title {
  font-size: clamp(1.9rem, 7vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0.5rem 0 1rem;
}

.page-faq .faq-hero__lead {
  color: var(--ky-mist);
  font-size: clamp(1rem, 2.4vw, 1.08rem);
  line-height: 1.85;
  max-width: 48ch;
  margin: 0;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(1.1rem, 3vw, 2.25rem);
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--ky-line-soft);
}

.page-faq .faq-stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.page-faq .faq-stat__num {
  color: var(--ky-cyan);
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-faq .faq-stat__label {
  color: var(--ky-mist);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
}

.page-faq .faq-hero__media {
  border: 2px solid var(--ky-cyan);
  background: var(--ky-deep);
  box-shadow: 12px 12px 0 rgba(33, 230, 193, 0.16);
  margin: 0;
}

.page-faq .faq-hero__media .ky-media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 布局：左索引 + 右问答 ---------- */
.page-faq .faq-body {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

.page-faq .faq-rail__title {
  font-family: var(--ky-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--ky-mist);
  margin: 0 0 0.6rem;
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0 0 0.4rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .faq-rail__item {
  flex: 0 0 auto;
}

.page-faq .faq-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--ky-line);
  color: var(--ky-mist);
  font-size: 0.85rem;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ky-ease), border-color 0.18s var(--ky-ease), background-color 0.18s var(--ky-ease);
}

.page-faq .faq-rail__dot {
  width: 0.5rem;
  height: 0.5rem;
  flex: 0 0 auto;
  background: var(--ky-cyan);
}

.page-faq .faq-rail__link--gold .faq-rail__dot { background: var(--ky-gold); }
.page-faq .faq-rail__link--signal .faq-rail__dot { background: var(--ky-signal); }

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible {
  color: var(--ky-paper);
  border-color: var(--ky-cyan);
  background: rgba(33, 230, 193, 0.1);
}

/* ---------- 分类块 ---------- */
.page-faq .faq-block {
  scroll-margin-top: 5rem;
  margin-bottom: clamp(2rem, 5vw, 3.25rem);
}

.page-faq .faq-block--cyan { --faq-accent: var(--ky-cyan); }
.page-faq .faq-block--gold { --faq-accent: var(--ky-gold); }
.page-faq .faq-block--signal { --faq-accent: var(--ky-signal); }

.page-faq .faq-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 0.9rem;
  padding-bottom: 0.85rem;
  margin-bottom: 1.1rem;
  border-bottom: 2px solid var(--faq-accent);
}

.page-faq .faq-block__code {
  font-size: 1rem;
  color: var(--faq-accent);
  border: 2px solid var(--faq-accent);
  padding: 0.1rem 0.45rem;
  line-height: 1.4;
}

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

.page-faq .faq-block__note {
  margin: 0 0 0 auto;
  color: var(--ky-mist);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

/* ---------- 三步条 ---------- */
.page-faq .faq-steps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0 0 1.1rem;
  padding: 0;
}

.page-faq .faq-steps__item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--ky-line);
  background: var(--faq-panel);
  color: var(--ky-paper);
  font-size: 0.88rem;
}

.page-faq .faq-steps__idx {
  color: var(--ky-cyan);
  font-size: 0.78rem;
}

/* ---------- 折叠面板 ---------- */
.page-faq .faq-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-faq .faq-item {
  border: 1px solid var(--ky-line);
  background: var(--faq-panel);
  transition: border-color 0.18s var(--ky-ease), box-shadow 0.18s var(--ky-ease);
}

.page-faq .faq-item:hover {
  border-color: rgba(143, 163, 184, 0.6);
}

.page-faq .faq-item[open] {
  border-color: var(--faq-accent);
  box-shadow: 8px 8px 0 rgba(11, 23, 51, 0.75);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
  color: var(--ky-paper);
  font-size: clamp(0.98rem, 2.3vw, 1.05rem);
  font-weight: 600;
  line-height: 1.55;
}

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

.page-faq .faq-item__q:focus-visible {
  outline: 2px solid var(--faq-accent);
  outline-offset: -2px;
}

.page-faq .faq-item__num {
  flex: 0 0 auto;
  min-width: 1.9rem;
  padding-top: 0.2rem;
  color: var(--faq-accent);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-item__text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__sign {
  flex: 0 0 auto;
  width: 1.4rem;
  height: 1.4rem;
  display: grid;
  place-items: center;
  border: 1px solid var(--faq-accent);
  color: var(--faq-accent);
  font-family: var(--ky-mono);
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 0.2s var(--ky-ease);
}

.page-faq .faq-item[open] .faq-item__sign {
  transform: rotate(45deg);
}

.page-faq .faq-item__a {
  padding: 0 1.1rem 1.1rem 3.85rem;
  color: var(--ky-mist);
  font-size: 0.95rem;
  line-height: 1.85;
}

.page-faq .faq-link {
  color: var(--ky-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible {
  color: var(--ky-gold);
}

/* ---------- 奶油纸分类块 ---------- */
.page-faq .faq-block--paper {
  --faq-accent: var(--ky-ink);
  background: var(--ky-paper);
  color: var(--ky-ink);
  border: 2px solid var(--ky-ink);
  padding: clamp(1.1rem, 3vw, 1.9rem);
  box-shadow: 12px 12px 0 rgba(33, 230, 193, 0.16);
}

.page-faq .faq-block--paper .faq-block__note {
  color: rgba(26, 20, 16, 0.62);
}

.page-faq .faq-block--paper .faq-item {
  background: transparent;
  border-color: rgba(26, 20, 16, 0.32);
}

.page-faq .faq-block--paper .faq-item__q {
  color: var(--ky-ink);
}

.page-faq .faq-block--paper .faq-item[open] {
  box-shadow: 8px 8px 0 rgba(26, 20, 16, 0.22);
}

.page-faq .faq-block--paper .faq-item__a {
  color: rgba(26, 20, 16, 0.78);
}

.page-faq .faq-block--paper .faq-link {
  color: #0C5F52;
}

.page-faq .faq-fit__media {
  margin: 1.25rem 0 0;
  border: 2px solid var(--ky-ink);
  background: var(--ky-night);
}

.page-faq .faq-fit__media .ky-media__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-faq .faq-fit__media .ky-media__cap {
  display: block;
  padding: 0.6rem 0.8rem;
  background: var(--ky-ink);
  color: var(--ky-paper);
  font-family: var(--ky-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
}

/* ---------- 联系方式 ---------- */
.page-faq .faq-contact {
  margin-top: 1.35rem;
  padding-top: 0.4rem;
  border-top: 1px dashed var(--ky-line);
}

.page-faq .ky-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.9rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--ky-line-soft);
}

.page-faq .ky-contact__key {
  flex: 0 0 auto;
  min-width: 4.6rem;
  color: var(--ky-mist);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
}

.page-faq .ky-contact__val {
  flex: 1 1 auto;
  min-width: 0;
  color: var(--ky-paper);
  font-family: var(--ky-mono);
  font-size: 0.92rem;
  word-break: break-all;
}

.page-faq .ky-copy {
  flex: 0 0 auto;
  font: inherit;
  font-size: 0.76rem;
  padding: 0.3rem 0.7rem;
  background: transparent;
  border: 1px solid var(--ky-cyan);
  color: var(--ky-cyan);
  cursor: pointer;
  transition: background-color 0.18s var(--ky-ease), color 0.18s var(--ky-ease);
}

.page-faq .ky-copy:hover,
.page-faq .ky-copy:focus-visible {
  background: var(--ky-cyan);
  color: var(--ky-night);
}

.page-faq .ky-copy[data-copied="true"] {
  background: var(--ky-gold);
  border-color: var(--ky-gold);
  color: var(--ky-night);
}

.page-faq .ky-copy__status {
  flex: 0 0 auto;
  color: var(--ky-gold);
  font-size: 0.74rem;
}

/* ---------- 收尾入口 ---------- */
.page-faq .faq-next {
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--ky-line-soft);
}

.page-faq .faq-next__head {
  max-width: 52ch;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-faq .faq-next__lead {
  margin: 0.6rem 0 0;
  color: var(--ky-mist);
  line-height: 1.8;
}

.page-faq .faq-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-faq .faq-next__card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.15rem 1.2rem;
  border: 2px solid var(--ky-line);
  background: var(--faq-panel);
  color: var(--ky-paper);
  text-decoration: none;
  transition: transform 0.18s var(--ky-ease), border-color 0.18s var(--ky-ease), box-shadow 0.18s var(--ky-ease);
}

.page-faq .faq-next__card:hover,
.page-faq .faq-next__card:focus-visible {
  transform: translate(-4px, -4px);
}

.page-faq .faq-next__card--cyan { border-color: var(--ky-cyan); box-shadow: 8px 8px 0 rgba(33, 230, 193, 0.18); }
.page-faq .faq-next__card--gold { border-color: var(--ky-gold); box-shadow: 8px 8px 0 rgba(232, 180, 90, 0.18); }
.page-faq .faq-next__card--signal { border-color: var(--ky-signal); box-shadow: 8px 8px 0 rgba(255, 90, 60, 0.18); }

.page-faq .faq-next__code {
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ky-mist);
}

.page-faq .faq-next__title {
  font-size: 1.15rem;
  font-weight: 700;
}

.page-faq .faq-next__desc {
  color: var(--ky-mist);
  font-size: 0.88rem;
  line-height: 1.7;
}

.page-faq .faq-next__note {
  margin: 1.35rem 0 0;
  color: var(--ky-mist);
  font-size: 0.85rem;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-faq .faq-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

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

@media (min-width: 1024px) {
  .page-faq .faq-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: 2.5rem;
    padding-right: 0.5rem;
    border-right: 1px solid var(--ky-line-soft);
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-rail__item {
    flex: 0 0 auto;
  }

  .page-faq .faq-rail__link {
    display: flex;
    width: 100%;
    justify-content: flex-start;
  }

  .page-faq .faq-item__a {
    padding-right: 2.5rem;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item__sign,
  .page-faq .faq-rail__link,
  .page-faq .faq-next__card,
  .page-faq .ky-copy {
    transition: none;
  }

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