.page-faq {
  --faq-hair: 2px solid var(--ak-ink);
  --faq-gap: clamp(20px, 3.2vw, 40px);
  --faq-pad-y: clamp(40px, 7vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-faq .page-faq__hero {
  padding: clamp(24px, 4vw, 44px) 0 clamp(32px, 5vw, 60px);
  background: var(--ak-cream);
  border-bottom: var(--faq-hair);
}

.page-faq .page-faq__crumbs {
  margin: 0 0 clamp(18px, 3vw, 32px);
}

.page-faq .page-faq__title {
  margin: 12px 0 0;
  font-family: var(--ak-font-display);
  font-weight: 300;
  font-size: clamp(2.1rem, 6.4vw, 4.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  max-width: 20ch;
  color: var(--ak-ink);
}

.page-faq .page-faq__lead {
  margin: clamp(18px, 2.6vw, 30px) 0 0;
  max-width: 62ch;
  color: var(--ak-ink-soft);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.8;
}

.page-faq .page-faq__quick {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: clamp(28px, 4vw, 48px) 0 0;
  border: var(--faq-hair);
  border-radius: var(--ak-radius);
  overflow: hidden;
  background: var(--ak-cream-2);
}

.page-faq .page-faq__quick-item {
  padding: 16px 18px;
  border-bottom: 1px solid rgba(34, 28, 23, 0.18);
  min-width: 0;
}

.page-faq .page-faq__quick-item:nth-child(odd) {
  border-right: 1px solid rgba(34, 28, 23, 0.18);
}

.page-faq .page-faq__quick-item:nth-child(n + 3) {
  border-bottom: 0;
}

.page-faq .page-faq__quick-item dt {
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--ak-ink-soft);
  margin-bottom: 6px;
}

.page-faq .page-faq__quick-item dd {
  margin: 0;
  font-family: var(--ak-font-mono);
  font-size: clamp(1.2rem, 3vw, 1.7rem);
  font-weight: 700;
  color: var(--ak-teal);
  font-variant-numeric: tabular-nums;
}

.page-faq .page-faq__quick-item dd .ak-num {
  font-size: inherit;
  color: inherit;
}

/* ---------- 布局 ---------- */
.page-faq .page-faq__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--faq-gap);
  padding-top: var(--faq-pad-y);
  padding-bottom: var(--faq-pad-y);
}

/* ---------- 左侧主题索引 ---------- */
.page-faq .page-faq__toc {
  background: var(--ak-night);
  color: var(--ak-cream);
  border: var(--faq-hair);
  border-radius: var(--ak-radius);
  box-shadow: var(--ak-shadow-sm);
  padding: 16px 16px 18px;
  min-width: 0;
}

.page-faq .page-faq__toc-title {
  margin: 0 0 12px;
  font-family: var(--ak-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ak-cyan);
}

.page-faq .page-faq__toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-faq .page-faq__toc-list li {
  flex: none;
}

.page-faq .page-faq__toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 14px;
  border: 1px solid rgba(124, 255, 224, 0.35);
  border-radius: 999px;
  color: var(--ak-cyan-soft);
  text-decoration: none;
  font-size: 0.88rem;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-faq .page-faq__toc-list a .ak-num {
  font-size: 0.72rem;
  color: var(--ak-cyan);
}

.page-faq .page-faq__toc-list a:hover,
.page-faq .page-faq__toc-list a:focus-visible {
  background: var(--ak-cyan);
  border-color: var(--ak-cyan);
  color: var(--ak-night);
}

.page-faq .page-faq__toc-list a:hover .ak-num,
.page-faq .page-faq__toc-list a:focus-visible .ak-num {
  color: var(--ak-night);
}

/* ---------- 问答分组 ---------- */
.page-faq .page-faq__groups {
  min-width: 0;
}

.page-faq .page-faq__group {
  scroll-margin-top: 96px;
}

.page-faq .page-faq__group + .page-faq__group {
  margin-top: clamp(38px, 5vw, 64px);
  padding-top: clamp(30px, 4vw, 50px);
  border-top: var(--faq-hair);
}

.page-faq .page-faq__group-head {
  position: relative;
  padding-left: 0;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-faq .page-faq__group-no {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.2em;
  color: var(--ak-teal);
  margin-bottom: 8px;
}

.page-faq .page-faq__group-title {
  margin: 0;
  font-family: var(--ak-font-display);
  font-weight: 300;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  letter-spacing: -0.01em;
  line-height: 1.15;
  color: var(--ak-ink);
}

.page-faq .page-faq__group-note {
  margin: 10px 0 0;
  max-width: 54ch;
  color: var(--ak-ink-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- 问题行 ---------- */
.page-faq .page-faq__list {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.page-faq .page-faq__item {
  border: var(--faq-hair);
  border-radius: var(--ak-radius);
  background: var(--ak-cream);
  box-shadow: var(--ak-shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.page-faq .page-faq__item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--ak-ink);
}

.page-faq .page-faq__item[open] {
  background: var(--ak-cream-2);
  box-shadow: 6px 6px 0 var(--ak-ink);
}

.page-faq .page-faq__q {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.5;
  color: var(--ak-ink);
}

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

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

.page-faq .page-faq__no {
  flex: none;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--ak-sage);
}

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

.page-faq .page-faq__icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 18px;
  margin-left: auto;
  transition: transform 0.25s ease;
}

.page-faq .page-faq__icon::before,
.page-faq .page-faq__icon::after {
  content: "";
  position: absolute;
  background: var(--ak-teal);
  border-radius: 2px;
}

.page-faq .page-faq__icon::before {
  top: 8px;
  left: 0;
  width: 18px;
  height: 2px;
}

.page-faq .page-faq__icon::after {
  left: 8px;
  top: 0;
  width: 2px;
  height: 18px;
}

.page-faq .page-faq__item[open] .page-faq__icon {
  transform: rotate(135deg);
}

.page-faq .page-faq__a {
  padding: 0 16px 16px;
  border-top: 1px solid rgba(34, 28, 23, 0.16);
  margin-top: 2px;
  padding-top: 12px;
}

.page-faq .page-faq__a p {
  margin: 0;
  color: var(--ak-ink-soft);
  font-size: 0.95rem;
  line-height: 1.8;
}

.page-faq .page-faq__a a {
  color: var(--ak-teal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .page-faq__a a:hover {
  color: var(--ak-orange);
}

.page-faq .page-faq__item[open] .page-faq__a {
  animation: faq-reveal 0.24s ease both;
}

@keyframes faq-reveal {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 配图 ---------- */
.page-faq .page-faq__aside {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
  align-items: start;
}

.page-faq .page-faq__figure {
  margin: 0;
  border: var(--faq-hair);
  border-radius: var(--ak-radius);
  box-shadow: var(--ak-shadow-sm);
  background: var(--ak-green);
  overflow: hidden;
}

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

.page-faq .page-faq__figure--portrait {
  max-width: 320px;
}

.page-faq .page-faq__figure--portrait img {
  aspect-ratio: 3 / 4;
}

.page-faq .page-faq__figure--wide {
  margin-top: clamp(22px, 3vw, 34px);
}

.page-faq .page-faq__figure--wide img {
  aspect-ratio: 14 / 9;
}

.page-faq .page-faq__figure figcaption {
  padding: 12px 14px 14px;
  background: var(--ak-night);
  color: var(--ak-cyan-soft);
  font-size: 0.82rem;
  line-height: 1.65;
}

/* ---------- 底部行动区 ---------- */
.page-faq .page-faq__cta {
  border-top: var(--faq-hair);
}

.page-faq .page-faq__cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: center;
}

.page-faq .page-faq__cta-text p {
  margin: 12px 0 0;
  color: rgba(242, 237, 228, 0.78);
  font-size: 0.95rem;
  line-height: 1.75;
  max-width: 56ch;
}

.page-faq .page-faq__cta-title {
  margin: 8px 0 0;
  font-family: var(--ak-font-display);
  font-weight: 300;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.2;
  color: var(--ak-cream);
}

.page-faq .page-faq__cta-actions {
  display: grid;
  gap: 14px;
  justify-items: start;
}

.page-faq .page-faq__cta-link {
  color: var(--ak-cyan);
  font-size: 0.92rem;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-faq .page-faq__cta-link:hover {
  color: var(--ak-cyan-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-faq .page-faq__quick {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-faq .page-faq__quick-item {
    border-bottom: 0;
  }

  .page-faq .page-faq__quick-item:nth-child(n) {
    border-right: 1px solid rgba(34, 28, 23, 0.18);
  }

  .page-faq .page-faq__quick-item:last-child {
    border-right: 0;
  }
}

@media (min-width: 900px) {
  .page-faq .page-faq__aside {
    grid-template-columns: 300px minmax(0, 1fr);
  }

  .page-faq .page-faq__figure--portrait {
    max-width: none;
  }

  .page-faq .page-faq__cta-inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.8fr);
  }

  .page-faq .page-faq__cta-actions {
    justify-items: stretch;
  }
}

@media (min-width: 1000px) {
  .page-faq .page-faq__layout {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-faq .page-faq__toc {
    position: sticky;
    top: 104px;
    padding: 24px 20px 26px;
  }

  .page-faq .page-faq__toc-list {
    flex-direction: column;
    overflow: visible;
    gap: 2px;
    padding: 0;
  }

  .page-faq .page-faq__toc-list a {
    width: 100%;
    justify-content: flex-start;
    border: 0;
    border-radius: 8px;
    padding: 10px 10px;
    color: var(--ak-cream);
    font-size: 0.92rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .page-faq__item,
  .page-faq .page-faq__icon,
  .page-faq .page-faq__toc-list a {
    transition: none;
  }

  .page-faq .page-faq__item:hover {
    transform: none;
  }

  .page-faq .page-faq__item[open] .page-faq__a {
    animation: none;
  }
}
<<<END>>>