.page-faq {
  --faq-index-w: 232px;
  --faq-quiet: rgba(230, 241, 236, 0.76);
  --faq-hair: rgba(36, 74, 61, 0.9);
}

/* 面包屑与首屏 */
.page-faq .breadcrumb {
  padding-block: 20px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-faq .breadcrumb a {
  color: var(--slate);
  text-decoration: none;
}

.page-faq .breadcrumb a:hover {
  color: var(--lime);
}

.page-faq .breadcrumb__sep {
  padding-inline: 8px;
  color: var(--line);
}

.page-faq .faq-hero {
  display: grid;
  gap: 28px;
  padding-block: 24px 40px;
  border-bottom: 1px solid var(--line);
}

.page-faq .eyebrow {
  margin: 0 0 14px;
  color: var(--lime);
  letter-spacing: 0.16em;
  font-size: 11px;
}

.page-faq .faq-hero h1 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(34px, 8vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-faq .lead {
  margin: 18px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--faq-quiet);
}

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

.page-faq .faq-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(198, 255, 74, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(198, 255, 74, 0.07) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

.page-faq .faq-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.05);
}

.page-faq .faq-hero__caption {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 1;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--lime);
  background: rgba(6, 17, 13, 0.72);
  padding: 3px 8px;
}

/* 检索条 */
.page-faq .faq-search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  padding: 12px 14px;
  border: 1px solid rgba(124, 157, 184, 0.5);
  background: rgba(19, 42, 34, 0.72);
  border-radius: var(--radius);
}

.page-faq .faq-search__icon {
  color: var(--lime);
  font-size: 16px;
  line-height: 1;
}

.page-faq .faq-search__input {
  flex: 1 1 170px;
  min-width: 0;
  padding: 4px 0;
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-faq .faq-search__input::placeholder {
  color: var(--slate);
  opacity: 1;
}

.page-faq .faq-search__input:focus-visible {
  outline: 1px solid var(--lime);
  outline-offset: 4px;
}

.page-faq .faq-search__hint {
  flex: 0 0 auto;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 热门问题 */
.page-faq .faq-hot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-hot a {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid rgba(124, 157, 184, 0.42);
  border-radius: var(--radius);
  color: var(--slate);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-hot a:hover,
.page-faq .faq-hot a:focus-visible {
  border-color: var(--lime);
  background: var(--lime-soft);
  color: var(--paper);
}

/* 主体分栏 */
.page-faq .faq-body {
  display: grid;
  gap: 32px;
  padding-block: 36px 44px;
}

.page-faq .faq-index__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

.page-faq .faq-index ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .faq-index a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  border-radius: var(--radius);
  color: var(--slate);
  font-size: 13px;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-index a .mono {
  font-size: 10px;
  color: var(--line);
  letter-spacing: 0.06em;
}

.page-faq .faq-index a:hover,
.page-faq .faq-index a:focus-visible {
  border-color: rgba(198, 255, 74, 0.45);
  border-left-color: var(--lime);
  background: rgba(19, 42, 34, 0.7);
  color: var(--paper);
}

.page-faq .faq-index a:hover .mono,
.page-faq .faq-index a:focus-visible .mono {
  color: var(--lime);
}

.page-faq .faq-index__note {
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

/* 问答分组 */
.page-faq .faq-group {
  scroll-margin-top: calc(var(--rail-h) + 24px);
}

.page-faq .faq-group + .faq-group {
  margin-top: 40px;
}

.page-faq .faq-group__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-faq .faq-group__idx {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.1em;
  color: var(--orange);
}

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

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

.page-faq .faq-item > summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 0 15px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper);
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease);
}

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

.page-faq .faq-item > summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 3px;
  height: 14px;
  background: var(--line);
  transition: height var(--dur) var(--ease), top var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-faq .faq-item[open] > summary::before {
  top: 16px;
  height: 24px;
  background: var(--lime);
}

.page-faq .faq-item > summary::after {
  content: "+";
  margin-left: auto;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.5;
  color: var(--slate);
}

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

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

.page-faq .faq-item > summary:focus-visible {
  outline: 1px solid var(--lime);
  outline-offset: 2px;
}

.page-faq .faq-anchor {
  scroll-margin-top: calc(var(--rail-h) + 80px);
}

.page-faq .faq-item:has(.faq-anchor:target) {
  background: linear-gradient(90deg, var(--lime-soft), transparent 62%);
  box-shadow: inset 3px 0 0 var(--lime);
}

.page-faq .faq-answer {
  padding: 0 0 20px 16px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--faq-quiet);
}

.page-faq .faq-answer p {
  margin: 0 0 10px;
}

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

.page-faq .faq-answer a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 74, 0.35);
}

.page-faq .faq-answer a:hover {
  color: var(--lime-bright);
}

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

/* 标签色卡图例 */
.page-faq .tag-legend {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-faq .tag-legend li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--faq-quiet);
}

.page-faq .tag-legend strong {
  color: var(--paper);
  font-weight: 700;
}

.page-faq .tag-legend__swatch {
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-radius: 1px;
}

.page-faq .tag-legend__swatch--lime {
  background: var(--lime);
}

.page-faq .tag-legend__swatch--orange {
  background: var(--orange);
}

.page-faq .tag-legend__swatch--slate {
  background: var(--slate);
}

/* 版本面板 */
.page-faq .version-panel {
  display: grid;
  gap: 18px;
  margin-top: 22px;
  padding: 18px;
  border: 1px solid var(--line);
  background: var(--ink-700);
}

.page-faq .version-panel__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(36, 74, 61, 0.8);
}

.page-faq .version-panel__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-faq .version-panel__label {
  margin: 0;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-faq .version-panel__num {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(38px, 10vw, 58px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-faq .version-panel__text {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--faq-quiet);
}

.page-faq .version-panel__badge {
  display: inline-block;
  margin: 14px 0 0;
  padding: 5px 10px;
  border: 1px solid rgba(255, 138, 61, 0.55);
  background: var(--orange-soft);
  color: var(--orange);
  font-size: 10px;
  letter-spacing: 0.12em;
}

/* 团队与规模 */
.page-faq .faq-capacity {
  padding-block: 34px 8px;
  border-top: 1px solid var(--line);
}

.page-faq .faq-capacity__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 4vw, 28px);
  color: var(--paper);
}

.page-faq .faq-capacity__lead {
  margin: 10px 0 0;
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-faq .faq-stats {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  border: 1px solid var(--line);
  background: var(--line);
}

.page-faq .faq-stat {
  padding: 16px 14px;
  background: var(--ink-900);
}

.page-faq .faq-stat__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1.1;
  color: var(--lime);
}

.page-faq .faq-stat__label {
  margin: 6px 0 0;
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* 结尾行动区 */
.page-faq .faq-cta {
  display: grid;
  gap: 18px;
  margin-block: 34px 56px;
  padding: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--ink-700), var(--ink-800));
}

.page-faq .faq-cta__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 4vw, 25px);
  color: var(--paper);
}

.page-faq .faq-cta__text {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--faq-quiet);
}

.page-faq .faq-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 中等屏幕 */
@media (min-width: 700px) {
  .page-faq .tag-legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-faq .version-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    padding: 22px;
  }

  .page-faq .faq-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 28px;
  }
}

/* 桌面端 */
@media (min-width: 900px) {
  .page-faq .faq-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: end;
    padding-block: 32px 56px;
  }

  .page-faq .faq-body {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
    gap: 56px;
    padding-block: 52px 64px;
  }

  .page-faq .faq-index {
    align-self: start;
    position: sticky;
    top: calc(var(--rail-h) + 20px);
    border-right: 1px solid var(--line);
    padding-right: 18px;
  }

  .page-faq .faq-index ol {
    display: block;
  }

  .page-faq .faq-index a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    padding: 10px 0 10px 14px;
  }

  .page-faq .faq-index a:hover,
  .page-faq .faq-index a:focus-visible {
    background: transparent;
    border-left-color: var(--lime);
  }

  .page-faq .faq-item > summary {
    padding: 18px 0 18px 20px;
    font-size: 16px;
  }

  .page-faq .faq-answer {
    padding: 0 0 22px 20px;
  }

  .page-faq .faq-stats {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}
<<<PAGE_CSS_END>>>