.page-faq {
  --faq-gap: 26px;
  --faq-divider-h: 6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 24px 0 42px;
}

.page-faq .crumbs {
  margin-bottom: 20px;
}

.page-faq .faq-hero__split {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
  align-items: start;
}

.page-faq .faq-hero__text .label {
  display: block;
  margin-bottom: 14px;
}

.page-faq .faq-hero__text .display--xl {
  margin: 0 0 18px;
}

.page-faq .faq-hero__text .lede {
  margin: 0;
  max-width: 46ch;
}

.page-faq .faq-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-mini {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-faq .faq-mini__num {
  font-size: 30px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.page-faq .faq-mini:nth-child(1) .faq-mini__num {
  color: var(--neon);
}

.page-faq .faq-mini:nth-child(2) .faq-mini__num {
  color: var(--amber);
}

.page-faq .faq-mini__label {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-faq .faq-hero__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

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

/* ---------- 主体两栏 ---------- */
.page-faq .faq-questions,
.page-faq .faq-rest {
  padding: 40px 0 46px;
}

.page-faq .faq-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--faq-gap);
}

/* ---------- 目录 ---------- */
.page-faq .faq-toc__toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 13px 16px;
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--chalk);
  font-family: var(--font-body);
  font-size: 15px;
  text-align: left;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-toc__toggle:hover,
.page-faq .faq-toc__toggle:focus-visible {
  border-color: var(--neon);
  color: var(--neon);
}

.page-faq .faq-toc__toggle-idx {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-faq .faq-toc__toggle-text {
  font-weight: 600;
}

.page-faq .faq-toc__list {
  margin-top: 12px;
  display: grid;
  gap: 2px;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 12px 10px 14px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--neon);
  border-left-color: var(--neon);
  background: rgba(61, 255, 160, 0.07);
}

.page-faq .faq-toc__idx {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--amber);
  flex: none;
}

.page-faq .faq-toc--quiet {
  display: none;
}

.page-faq .faq-toc__note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 问答组 ---------- */
.page-faq .faq-answers {
  min-width: 0;
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--top-h) + 32px);
}

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}

.page-faq .faq-group__idx {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber);
  flex: none;
}

.page-faq .faq-group__head .display--m {
  margin: 0;
}

/* ---------- 单条问答 ---------- */
.page-faq .faq-item {
  padding: 0;
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item > summary {
  position: relative;
  display: block;
  padding: 18px 40px 18px 18px;
  color: var(--chalk);
  font-size: 16.5px;
  font-weight: 600;
  line-height: 1.55;
  cursor: pointer;
  list-style: none;
  transition: color 0.2s var(--ease);
}

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

.page-faq .faq-item > summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 16px;
  bottom: 16px;
  width: 3px;
  border-radius: 2px;
  background: var(--ink-700);
  transition: background 0.22s var(--ease);
}

.page-faq .faq-item > summary::after {
  content: "+";
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 19px;
  line-height: 1;
  color: var(--muted);
  transition: color 0.2s var(--ease);
}

.page-faq .faq-item[open] > summary::before {
  background: var(--neon);
}

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

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible {
  color: var(--neon);
}

.page-faq .faq-item .fold__body {
  padding: 0 40px 20px 18px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-faq .faq-item .fold__body p {
  margin: 0;
}

.page-faq .faq-item[open] .fold__body {
  animation: faq-reveal 0.28s var(--ease) both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 组间窄分隔带 ---------- */
.page-faq .faq-divider {
  position: relative;
  height: var(--faq-divider-h);
  margin: 26px 0;
  border-radius: 3px;
  background: var(--ink-900);
  overflow: hidden;
}

.page-faq .faq-divider::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 68px;
  border-radius: 3px;
  background: var(--neon);
}

/* ---------- 中段口径示意区（纸面） ---------- */
.page-faq .faq-flow {
  padding: 52px 0 56px;
}

.page-faq .faq-flow__head {
  margin-bottom: 30px;
}

.page-faq .faq-flow__head .label {
  display: block;
  margin-bottom: 12px;
}

.page-faq .faq-flow__head .display--m {
  margin: 0;
  max-width: 24ch;
}

.page-faq .faq-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: start;
}

.page-faq .faq-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-faq .faq-step {
  position: relative;
  padding: 22px 22px 22px 24px;
  background: rgba(255, 255, 255, 0.42);
  border-radius: var(--radius);
  border-left: 4px solid var(--amber);
}

.page-faq .faq-step__num {
  display: block;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink-800);
  margin-bottom: 10px;
}

.page-faq .faq-step__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink-900);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-faq .faq-flow__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--paper-2);
}

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

/* ---------- 收尾 CTA ---------- */
.page-faq .faq-cta {
  padding: 50px 0 58px;
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

.page-faq .faq-cta__text .label {
  display: block;
  margin-bottom: 12px;
}

.page-faq .faq-cta__text .display--m {
  margin: 0 0 14px;
  max-width: 22ch;
}

.page-faq .faq-cta__lede {
  margin: 0;
  max-width: 44ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

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

/* ---------- 回到顶部 ---------- */
.page-faq .faq-top {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 40;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink-800);
  border: 1px solid var(--neon);
  color: var(--neon);
  font-family: var(--font-num);
  font-size: 17px;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 8px 22px rgba(6, 12, 24, 0.55);
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-faq .faq-top:hover,
.page-faq .faq-top:focus-visible {
  background: var(--neon);
  color: var(--ink-900);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-hero {
    padding: 34px 0 56px;
  }

  .page-faq .faq-hero__split {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: 44px;
    align-items: end;
  }

  .page-faq .faq-questions,
  .page-faq .faq-rest {
    padding: 56px 0 64px;
  }

  .page-faq .faq-divider {
    margin: 34px 0;
  }

  .page-faq .faq-flow {
    padding: 72px 0 78px;
  }

  .page-faq .faq-flow__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: center;
  }

  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
  }

  .page-faq .faq-top {
    right: 26px;
    bottom: 26px;
  }
}

/* ---------- 桌面：常驻目录 ---------- */
@media (min-width: 980px) {
  .page-faq .faq-layout {
    grid-template-columns: 244px minmax(0, 1fr);
    gap: 60px;
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--top-h) + 28px);
    align-self: start;
  }

  .page-faq .faq-toc__toggle {
    cursor: default;
    border-color: transparent;
    background: transparent;
    padding: 0 0 12px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

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

  .page-faq .faq-toc__list {
    margin-top: 14px;
  }

  .page-faq .faq-toc--quiet {
    display: block;
    position: static;
  }

  .page-faq .faq-item > summary {
    padding: 20px 46px 20px 20px;
    font-size: 17px;
  }

  .page-faq .faq-item .fold__body {
    padding: 0 46px 22px 20px;
    font-size: 16px;
  }

  .page-faq .faq-step {
    padding: 26px 26px 26px 28px;
  }
}

@media (min-width: 1200px) {
  .page-faq .faq-layout {
    grid-template-columns: 268px minmax(0, 1fr);
    gap: 76px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-item[open] .fold__body {
    animation: none;
  }

  .page-faq .faq-toc__link,
  .page-faq .faq-item > summary,
  .page-faq .faq-top,
  .page-faq .faq-toc__toggle {
    transition: none;
  }
}
</final>