.page-faq {
  --faq-index-w: 264px;
  --faq-reveal-shift: 14px;
}

/* —— 首屏 —— */
.page-faq .faq-hero {
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-faq .breadcrumbs {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-faq .faq-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: end;
}

.page-faq .faq-hero h1 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(32px, 6vw, 62px);
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--paper);
  margin: 12px 0 0;
}

.page-faq .faq-lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

/* 数字栏 */
.page-faq .faq-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-faq .faq-stat {
  background: var(--ink);
  padding: 13px 15px;
}

.page-faq .faq-stat dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  margin-bottom: 6px;
}

.page-faq .faq-stat dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 16px;
  color: var(--paper);
}

.page-faq .faq-stat dd .mono {
  font-size: 22px;
  color: var(--gold-lt);
  letter-spacing: 0.04em;
}

/* 通栏氛围图 */
.page-faq .faq-banner {
  margin: 0;
  height: clamp(150px, 24vw, 280px);
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--slate);
}

.page-faq .faq-banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.55) brightness(0.6) contrast(1.06);
}

/* —— 主体双栏 —— */
.page-faq .faq-body {
  padding-block: clamp(38px, 6vw, 76px);
}

.page-faq .faq-body-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 56px);
  align-items: start;
}

/* 左栏索引 */
.page-faq .faq-index-inner {
  border-top: 1px solid var(--line-strong);
  padding-top: 16px;
}

.page-faq .faq-index-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-faq .faq-index-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
}

.page-faq .idx {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 9px;
  padding: 9px 10px;
  text-decoration: none;
  color: var(--paper);
  border-left: 2px solid transparent;
  transition: background-color 140ms var(--ease), border-color 140ms var(--ease), color 140ms var(--ease);
}

.page-faq .idx:hover,
.page-faq .idx:focus-visible {
  background: var(--glass);
  border-left-color: var(--gold);
  color: var(--gold-lt);
}

.page-faq .idx-no {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: 0.06em;
}

.page-faq .idx-name {
  font-size: 14px;
  letter-spacing: 0.03em;
}

.page-faq .idx-ct {
  font-size: 11px;
  color: var(--mist);
}

.page-faq .faq-index-note {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--mist);
  letter-spacing: 0.03em;
}

.page-faq .faq-index-fig {
  margin: clamp(22px, 4vw, 38px) 0 0;
  padding: 10px;
  background: var(--slate);
  border: 1px solid var(--line);
}

.page-faq .faq-index-fig img {
  display: block;
  width: 100%;
  height: auto;
  filter: saturate(0.5) brightness(0.72);
}

.page-faq .faq-index-fig figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* —— 右栏问答 —— */
.page-faq .faq-groups {
  display: grid;
  gap: clamp(34px, 5vw, 60px);
}

.page-faq .faq-group {
  scroll-margin-top: calc(var(--beam-h) + 26px);
}

.page-faq .faq-group-head {
  padding-bottom: 13px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--line-strong);
}

.page-faq .faq-group-head h2 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(21px, 3vw, 30px);
  letter-spacing: 0.02em;
  color: var(--paper);
  transition: color 200ms var(--ease);
}

.page-faq .faq-group-sub {
  margin: 8px 0 0;
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--gold);
}

.page-faq .faq-group:target .faq-group-head h2 {
  color: var(--gold-lt);
}

/* 手风琴条目 */
.page-faq .qa {
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 200ms var(--ease);
}

.page-faq .qa[open] {
  background: var(--slate);
  border-bottom-color: var(--line);
}

.page-faq .qa summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  padding: 15px 12px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--paper);
  transition: color 160ms var(--ease);
}

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

.page-faq .qa summary::marker {
  content: "";
}

.page-faq .qa summary:hover {
  color: var(--gold-lt);
}

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

.page-faq .qa[open] summary {
  color: var(--gold-lt);
}

.page-faq .qa-no {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--gold);
  padding-top: 4px;
}

.page-faq .qa-caret {
  position: relative;
  width: 13px;
  height: 13px;
  margin-top: 6px;
  flex: none;
}

.page-faq .qa-caret::before,
.page-faq .qa-caret::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 240ms var(--ease), opacity 240ms var(--ease);
}

.page-faq .qa-caret::before {
  left: 0;
  top: 6px;
  width: 13px;
  height: 1px;
}

.page-faq .qa-caret::after {
  left: 6px;
  top: 0;
  width: 1px;
  height: 13px;
}

.page-faq .qa[open] .qa-caret::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-faq .qa-a {
  padding: 0 14px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-faq .qa-a p {
  margin: 0 0 10px;
  max-width: 62ch;
}

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

.page-faq .qa-a a {
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color 140ms var(--ease);
}

.page-faq .qa-a a:hover {
  border-bottom-color: var(--gold-lt);
}

.page-faq .qa-steps {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  max-width: 62ch;
  color: var(--paper);
}

.page-faq .qa-steps li::marker {
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-faq .qa-a .copy-btn {
  margin-top: 12px;
}

.page-faq .faq-copy-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

/* 四步流程图 */
.page-faq .faq-flow {
  margin: 16px 0 0;
  padding: 14px 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.page-faq .faq-flow svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 480px;
}

.page-faq .faq-flow .flow-node {
  fill: rgba(10, 12, 11, 0.6);
  stroke: var(--gold);
  stroke-width: 1;
}

.page-faq .faq-flow .flow-node--on {
  fill: rgba(200, 162, 74, 0.16);
  stroke: var(--gold-lt);
}

.page-faq .faq-flow .flow-num {
  fill: var(--gold-lt);
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.page-faq .faq-flow .flow-lbl {
  fill: var(--mist);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-faq .faq-flow .flow-arrow {
  stroke: var(--line-strong);
  stroke-width: 1;
}

.page-faq .faq-flow figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 收尾 */
.page-faq .faq-cta {
  margin-top: clamp(38px, 5vw, 66px);
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--line-strong);
  background: linear-gradient(115deg, rgba(200, 162, 74, 0.13), rgba(10, 12, 11, 0) 58%);
  display: grid;
  gap: 18px;
}

.page-faq .faq-cta-text {
  margin: 0;
  max-width: 60ch;
  font-family: var(--font-serif);
  font-size: clamp(17px, 2.2vw, 22px);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--paper);
}

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

/* 入场 */
.js-ready .page-faq [data-reveal] {
  opacity: 0;
  transform: translateY(var(--faq-reveal-shift));
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

.js-ready .page-faq [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .js-ready .page-faq [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-faq .qa-caret::before,
  .page-faq .qa-caret::after {
    transition: none;
  }
}

/* —— 中等宽度 —— */
@media (min-width: 760px) {
  .page-faq .faq-index-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .qa summary {
    padding: 17px 16px;
    font-size: 16px;
  }

  .page-faq .qa-a {
    padding: 0 20px 22px 46px;
  }
}

/* —— 桌面双栏 —— */
@media (min-width: 1000px) {
  .page-faq .faq-hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.55fr);
  }

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

  .page-faq .faq-body-grid {
    grid-template-columns: var(--faq-index-w) minmax(0, 1fr);
  }

  .page-faq .faq-index-inner {
    position: sticky;
    top: calc(var(--beam-h) + 24px);
  }

  .page-faq .faq-index-nav {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-faq .faq-cta {
    margin-left: calc(var(--faq-index-w) + clamp(30px, 4vw, 56px));
  }
}

/* —— 窄屏收口 —— */
@media (max-width: 599px) {
  .page-faq .faq-lede {
    font-size: 15px;
  }

  .page-faq .faq-stat dd .mono {
    font-size: 19px;
  }

  .page-faq .qa summary {
    padding: 13px 10px;
    font-size: 15px;
    gap: 9px;
  }

  .page-faq .qa-a {
    padding: 0 12px 16px;
    font-size: 14.5px;
  }

  .page-faq .faq-flow {
    padding: 10px 8px;
  }

  .page-faq .faq-cta-actions .btn {
    width: 100%;
    text-align: center;
  }
}
<<<PAGE_CSS_END>>>