.page-faq {
  --faq-radius: 4px;
  --faq-card-pad: 22px;
}

.page-faq .breadcrumbs {
  padding-top: 20px;
}

.page-faq .faq-hero {
  display: grid;
  gap: 32px;
  padding-top: 28px;
  padding-bottom: 56px;
  align-items: end;
}

.page-faq .faq-hero-main {
  min-width: 0;
}

.page-faq .faq-eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lime);
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7.4vw, 4.25rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper);
  text-wrap: balance;
}

.page-faq .faq-lead {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .faq-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-stats li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 14px;
  border-left: 1px solid var(--line);
}

.page-faq .faq-stat-num {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 500;
  color: var(--lime);
  line-height: 1.1;
}

.page-faq .faq-stat-label {
  font-size: 12px;
  color: var(--fog);
  letter-spacing: 0.04em;
}

.page-faq .faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-faq .faq-hero-figure {
  margin: 0;
  min-width: 0;
}

.page-faq .faq-hero-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--fog);
}

.page-faq .faq-hero-figure img,
.page-faq .faq-inline-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* 01 问题索引 */
.page-faq .faq-index-lead {
  margin: 0 0 32px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fog);
}

.page-faq .faq-rail {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 24px;
  opacity: 0.9;
}

.page-faq .faq-groups {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-faq .faq-group {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "num title meta"
    "num desc desc";
  gap: 6px 14px;
  align-items: baseline;
  padding: var(--faq-card-pad);
  border: 1px solid var(--line);
  border-radius: var(--faq-radius);
  background: var(--ink-800);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.page-faq .faq-group:hover,
.page-faq .faq-group:focus-visible {
  transform: translateY(-2px);
  border-color: var(--lime);
  background: var(--ink-700);
}

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

.page-faq .faq-group-num {
  grid-area: num;
  align-self: center;
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 1px var(--line);
}

.page-faq .faq-group:hover .faq-group-num,
.page-faq .faq-group:focus-visible .faq-group-num {
  -webkit-text-stroke-color: var(--lime);
}

.page-faq .faq-group-title {
  grid-area: title;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group-meta {
  grid-area: meta;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--lime);
  white-space: nowrap;
}

.page-faq .faq-group-desc {
  grid-area: desc;
  font-size: 13px;
  line-height: 1.7;
  color: var(--fog);
}

/* 02–05 问答 */
.page-faq .faq-qa {
  border-top: 1px solid var(--line);
}

.page-faq .faq-qa-grid {
  display: grid;
  gap: 28px;
}

.page-faq .faq-qa-side {
  min-width: 0;
}

.page-faq .faq-qa-side .section-title {
  margin-top: 4px;
}

.page-faq .faq-side-note {
  margin: 14px 0 0;
  max-width: 34ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog);
}

.page-faq .faq-qa-list {
  min-width: 0;
}

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

.page-faq .faq-item {
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-item summary {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  padding: 18px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
  transition: color var(--dur) var(--ease);
}

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

.page-faq .faq-item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  color: var(--lime);
}

.page-faq .faq-item[open] summary::after {
  content: "−";
}

.page-faq .faq-item summary:hover {
  color: var(--lime-soft);
}

.page-faq .faq-item summary:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .faq-answer {
  padding: 0 0 20px;
}

.page-faq .faq-answer p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--fog);
}

.page-faq .faq-answer .num {
  font-family: var(--font-mono);
  color: var(--paper);
}

.page-faq .faq-next {
  margin-top: 12px;
}

.page-faq .faq-next a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-next a:hover,
.page-faq .faq-next a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-faq .faq-next a:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* 06 准备清单 */
.page-faq .faq-prepare {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-checklist {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-checklist li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 18px var(--faq-card-pad);
  border: 1px solid var(--line);
  border-left: 2px solid var(--lime);
  border-radius: var(--faq-radius);
  background: var(--ink-900);
}

.page-faq .faq-check-num {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.9;
  color: var(--lime);
}

.page-faq .faq-checklist h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-checklist p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog);
}

.page-faq .faq-checklist .num {
  font-family: var(--font-mono);
  color: var(--paper);
}

.page-faq .faq-prepare-action {
  margin: 32px 0 0;
}

/* 07 下一步 */
.page-faq .faq-step-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-faq .faq-step {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-faq .faq-step:hover,
.page-faq .faq-step:focus-visible {
  transform: translateY(-2px);
  border-color: var(--lime);
}

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

.page-faq .faq-step .tag {
  align-self: flex-start;
}

.page-faq .faq-step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-step p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--fog);
}

.page-faq .faq-step-arrow {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--lime);
}

@media (min-width: 720px) {
  .page-faq .faq-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 56px;
    padding-bottom: 88px;
  }

  .page-faq .faq-groups {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-faq .faq-group {
    grid-template-columns: 1fr;
    grid-template-areas:
      "num"
      "title"
      "meta"
      "desc";
    gap: 10px;
    border-right-width: 0;
    border-radius: 0;
  }

  .page-faq .faq-group:first-child {
    border-radius: var(--faq-radius) 0 0 var(--faq-radius);
  }

  .page-faq .faq-group:last-child {
    border-right-width: 1px;
    border-radius: 0 var(--faq-radius) var(--faq-radius) 0;
  }

  .page-faq .faq-group-num {
    font-size: 3.4rem;
  }

  .page-faq .faq-qa-grid {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    gap: 32px 64px;
    align-items: start;
  }

  .page-faq .faq-qa-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-faq .faq-qa-list {
    padding-left: 8px;
  }

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

  .page-faq .faq-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
  }
}
</
PAGE_CSS>>>