.page-faq {
  --faq-space: clamp(28px, 5vw, 56px);
  --faq-head-offset: calc(var(--mk-header-offset) + 20px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-top {
  padding-top: 26px;
}

.page-faq .faq-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 18px 0 0;
  padding: 9px 16px;
  width: fit-content;
  max-width: 100%;
  border: 1px solid var(--mk-line);
  border-radius: 999px;
  background: var(--mk-ink-2);
}

.page-faq .faq-meta__dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mk-orange);
  animation: faq-breathe 2.4s ease-in-out infinite;
}

@keyframes faq-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-meta__dot { animation: none; }
}

.page-faq .faq-meta__time {
  color: var(--mk-white);
  font-size: 0.8125rem;
}

.page-faq .faq-meta__state {
  color: var(--mk-lime);
  font-size: 0.8125rem;
}

.page-faq .faq-meta__src {
  color: var(--mk-mist);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
}

.page-faq .faq-title {
  margin: 22px 0 0;
  font-family: var(--mk-serif);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--mk-white);
}

.page-faq .faq-lede {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mk-mist);
}

.page-faq .faq-banner {
  margin: var(--faq-space) 0 0;
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 2px solid var(--mk-line);
  border-radius: var(--mk-radius);
  box-shadow: var(--mk-shadow);
}

.page-faq .faq-banner__cap {
  margin-top: 12px;
  font-family: var(--mk-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--mk-mist);
}

/* ---------- 主体：索引带 + 问答列 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding-block: var(--faq-space);
}

.page-faq .faq-rail__label {
  margin: 0 0 10px;
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mk-orange);
}

.page-faq .faq-rail__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  scrollbar-width: thin;
}

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

.page-faq .faq-rail__link {
  display: block;
  padding: 7px 13px;
  white-space: nowrap;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--mk-mist);
  text-decoration: none;
  border: 1px solid var(--mk-line);
  border-radius: 999px;
  transition: color 140ms ease, border-color 140ms ease, background 140ms ease;
}

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

/* ---------- 筛选条 ---------- */
.page-faq .faq-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 2px dashed var(--mk-line);
}

.page-faq .faq-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-faq .faq-filter__tag {
  display: inline-block;
  padding: 6px 13px;
  font-size: 0.8125rem;
  line-height: 1.4;
  color: var(--mk-mist);
  background: transparent;
  border: 1px solid var(--mk-line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 140ms ease, background 140ms ease, border-color 140ms ease;
}

.page-faq .faq-filter__tag:hover {
  border-color: var(--mk-lime-deep);
  color: var(--mk-white);
}

.page-faq .faq-filter__input:checked + .faq-filter__tag {
  background: var(--mk-lime);
  border-color: var(--mk-lime);
  color: var(--mk-ink);
  font-weight: 700;
}

.page-faq .faq-filter__input:focus-visible + .faq-filter__tag {
  outline: 3px solid var(--mk-lime);
  outline-offset: 2px;
}

/* 用 :has 实现无脚本筛选 */
.page-faq:has(#faqcat-pre:checked) .faq-item:not(.cat-pre),
.page-faq:has(#faqcat-pre:checked) .faq-group:not(:has(.cat-pre)),
.page-faq:has(#faqcat-field:checked) .faq-item:not(.cat-field),
.page-faq:has(#faqcat-field:checked) .faq-group:not(:has(.cat-field)),
.page-faq:has(#faqcat-list:checked) .faq-item:not(.cat-list),
.page-faq:has(#faqcat-list:checked) .faq-group:not(:has(.cat-list)),
.page-faq:has(#faqcat-mobile:checked) .faq-item:not(.cat-mobile),
.page-faq:has(#faqcat-mobile:checked) .faq-group:not(:has(.cat-mobile)),
.page-faq:has(#faqcat-fix:checked) .faq-item:not(.cat-fix),
.page-faq:has(#faqcat-fix:checked) .faq-group:not(:has(.cat-fix)),
.page-faq:has(#faqcat-biz:checked) .faq-item:not(.cat-biz),
.page-faq:has(#faqcat-biz:checked) .faq-group:not(:has(.cat-biz)) {
  display: none;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 38px;
  scroll-margin-top: var(--faq-head-offset);
}

.page-faq .faq-group:last-of-type {
  margin-bottom: 26px;
}

.page-faq .faq-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 2px dashed var(--mk-line);
}

.page-faq .faq-group__idx {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--mk-orange);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--mk-serif);
  font-weight: 800;
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--mk-white);
}

.page-faq .faq-figure {
  margin: 0 0 18px;
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 2px solid var(--mk-line);
  border-radius: var(--mk-radius);
}

.page-faq .faq-figure__cap {
  margin-top: 10px;
  font-family: var(--mk-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mk-mist);
}

/* ---------- 手风琴条目 ---------- */
.page-faq .faq-item {
  margin-bottom: 12px;
  background: var(--mk-ink-2);
  border: 2px solid var(--mk-line);
  border-radius: var(--mk-radius);
  overflow: hidden;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.page-faq .faq-item:hover {
  border-color: var(--mk-lime-deep);
  transform: translateY(-2px);
  box-shadow: var(--mk-shadow-hover);
}

.page-faq .faq-item[open] {
  border-color: var(--mk-lime);
  box-shadow: var(--mk-shadow-hover);
}

.page-faq .faq-item__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 6px 12px;
  align-items: center;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-item__head:focus-visible {
  outline: 3px solid var(--mk-lime);
  outline-offset: -3px;
}

.page-faq .faq-item__num {
  grid-column: 1;
  grid-row: 1;
  font-family: var(--mk-mono);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--mk-lime);
}

.page-faq .faq-item__q {
  grid-column: 2;
  grid-row: 1;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--mk-white);
}

.page-faq .faq-item__cat {
  grid-column: 2 / 4;
  grid-row: 2;
  justify-self: start;
  padding: 3px 10px;
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--mk-lime-deep);
  border: 1px solid var(--mk-line);
  border-radius: 999px;
}

.page-faq .faq-item__toggle {
  position: relative;
  grid-column: 3;
  grid-row: 1;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  border: 2px solid var(--mk-line);
  border-radius: 6px;
}

.page-faq .faq-item__toggle::before,
.page-faq .faq-item__toggle::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  background: var(--mk-lime);
  transition: transform 160ms ease;
}

.page-faq .faq-item__toggle::before {
  width: 10px;
  height: 2px;
}

.page-faq .faq-item__toggle::after {
  width: 2px;
  height: 10px;
}

.page-faq .faq-item[open] .faq-item__toggle::after {
  transform: scaleY(0);
}

.page-faq .faq-item[open] .faq-item__toggle {
  border-color: var(--mk-lime);
}

.page-faq .faq-item__body {
  padding: 16px 18px 20px;
  background: var(--mk-cream);
  color: var(--mk-brown);
  border-top: 2px solid var(--mk-lime);
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.78;
}

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

.page-faq .faq-item__body a {
  color: var(--mk-ink);
  text-decoration: underline;
  text-decoration-color: var(--mk-orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-faq .faq-item__body a:hover {
  color: var(--mk-brown);
  text-decoration-color: var(--mk-lime-deep);
}

/* ---------- 尾部行动区 ---------- */
.page-faq .faq-cta {
  padding: 22px 20px;
  background: var(--mk-ink-2);
  border: 2px solid var(--mk-lime);
  border-radius: var(--mk-radius);
  box-shadow: var(--mk-shadow);
}

.page-faq .faq-cta__label {
  margin: 0 0 10px;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mk-orange);
}

.page-faq .faq-cta__text {
  margin: 0 0 18px;
  max-width: 56ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--mk-white);
}

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

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-title {
    max-width: 20ch;
  }

  .page-faq .faq-item__head {
    padding: 16px 20px;
  }

  .page-faq .faq-item__q {
    font-size: 1rem;
  }

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

@media (min-width: 960px) {
  .page-faq .faq-body {
    grid-template-columns: 216px minmax(0, 1fr);
    gap: 46px;
    align-items: start;
  }

  .page-faq .faq-rail {
    position: sticky;
    top: var(--faq-head-offset);
  }

  .page-faq .faq-rail__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0 0 0 4px;
    border-left: 2px solid var(--mk-line);
  }

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

  .page-faq .faq-rail__link {
    position: relative;
    white-space: normal;
    padding: 9px 12px 9px 16px;
    border: 0;
    border-radius: 0;
    font-size: 0.8125rem;
    line-height: 1.5;
  }

  .page-faq .faq-rail__link::before {
    content: "";
    position: absolute;
    left: -9px;
    top: 50%;
    width: 10px;
    height: 10px;
    transform: translateY(-50%);
    background: var(--mk-line);
    transition: background 140ms ease, transform 140ms ease;
  }

  .page-faq .faq-rail__link:hover::before,
  .page-faq .faq-rail__link:focus-visible::before {
    background: var(--mk-lime);
    transform: translateY(-50%) scale(1.15);
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible {
    border-color: transparent;
    color: var(--mk-lime);
  }

  .page-faq:has(#g1:target) .faq-rail__link[href="#g1"],
  .page-faq:has(#g2:target) .faq-rail__link[href="#g2"],
  .page-faq:has(#g3:target) .faq-rail__link[href="#g3"],
  .page-faq:has(#g4:target) .faq-rail__link[href="#g4"],
  .page-faq:has(#g5:target) .faq-rail__link[href="#g5"],
  .page-faq:has(#g6:target) .faq-rail__link[href="#g6"] {
    color: var(--mk-lime);
  }

  .page-faq:has(#g1:target) .faq-rail__link[href="#g1"]::before,
  .page-faq:has(#g2:target) .faq-rail__link[href="#g2"]::before,
  .page-faq:has(#g3:target) .faq-rail__link[href="#g3"]::before,
  .page-faq:has(#g4:target) .faq-rail__link[href="#g4"]::before,
  .page-faq:has(#g5:target) .faq-rail__link[href="#g5"]::before,
  .page-faq:has(#g6:target) .faq-rail__link[href="#g6"]::before {
    background: var(--mk-lime);
  }

  .page-faq .faq-item__head {
    grid-template-columns: 48px minmax(0, 1fr) auto auto;
    gap: 10px 14px;
    padding: 18px 22px;
  }

  .page-faq .faq-item__cat {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    margin-right: 6px;
  }

  .page-faq .faq-item__toggle {
    grid-column: 4;
    grid-row: 1;
  }

  .page-faq .faq-item__body {
    padding: 20px 22px 24px;
    padding-left: 84px;
  }

  .page-faq .faq-figure {
    margin-bottom: 22px;
  }
}
<<<END>>>