.page-faq {
  background: var(--ink-900);
  color: var(--paper);
}

.page-faq .faq-shell {
  padding-block: 20px 72px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  padding: 6px 0 30px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .faq-hero__title {
  margin: 0 0 14px;
  font-size: clamp(27px, 6.4vw, 46px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  max-width: 18em;
}

.page-faq .faq-hero__lead {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
  max-width: 42em;
}

.page-faq .faq-hint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
  background: linear-gradient(90deg, rgba(34, 224, 214, .07), rgba(34, 224, 214, 0) 62%);
}

.page-faq .faq-hint__label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--orange);
}

.page-faq .faq-hint__text {
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--paper);
  line-height: 1.6;
}

/* ---------- 主体分栏 ---------- */
.page-faq .faq-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

/* ---------- 左侧分类索引 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-faq .faq-index__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-faq .faq-index__item {
  display: grid;
  grid-template-columns: 34px 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 14px 10px 14px 0;
  border-bottom: 1px solid var(--line);
  color: var(--paper);
  text-decoration: none;
  transition: padding-left .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-index__item:hover,
.page-faq .faq-index__item:focus-visible {
  padding-left: 8px;
  border-bottom-color: var(--cyan);
  color: var(--cyan);
}

.page-faq .faq-index__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-faq .faq-index__name {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
}

.page-faq .faq-index__count {
  font-family: var(--mono);
  font-size: 12.5px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.page-faq .faq-index__fig {
  margin: 0 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-faq .faq-index__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist, var(--muted));
  padding-left: 12px;
  border-left: 2px solid var(--teal);
}

/* ---------- 右侧问答流 ---------- */
.page-faq .faq-group {
  margin: 0 0 34px;
  scroll-margin-top: 104px;
}

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

.page-faq .faq-group__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.page-faq .faq-group__num {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-faq .faq-group__name {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-faq .faq-group__count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}

.page-faq .faq-group__fig {
  margin: 18px 0 4px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}

.page-faq .faq-q {
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: border-left-color .2s var(--ease), background-color .2s var(--ease);
}

.page-faq .faq-q[open] {
  border-left-color: var(--cyan);
  background: linear-gradient(90deg, rgba(34, 224, 214, .06), rgba(34, 224, 214, 0) 74%);
}

.page-faq .faq-q__q {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 15px 12px 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.62;
  color: var(--paper);
  transition: color .18s var(--ease);
}

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

.page-faq .faq-q__q:hover {
  color: var(--cyan);
}

.page-faq .faq-q__mark {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--orange);
}

.page-faq .faq-q__q::after {
  content: "+";
  margin-left: auto;
  padding-left: 10px;
  font-family: var(--mono);
  font-size: 16px;
  line-height: 1.3;
  color: var(--muted);
  transition: color .18s var(--ease);
}

.page-faq .faq-q[open] .faq-q__q::after {
  content: "−";
  color: var(--cyan);
}

.page-faq .faq-q__a {
  padding: 0 14px 18px 0;
  max-width: 60em;
  font-size: 14.5px;
  line-height: 1.86;
  color: var(--muted);
}

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

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

.page-faq .faq-q__a a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, .4);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-faq .faq-q__a a:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ---------- 版本对照表 ---------- */
.page-faq .faq-version {
  margin-top: 44px;
  scroll-margin-top: 104px;
}

.page-faq .faq-table {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
  overflow: hidden;
}

.page-faq .faq-table__head {
  display: none;
}

.page-faq .faq-table__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-table__row:last-child {
  border-bottom: 0;
}

.page-faq .faq-table__cell {
  font-size: 14px;
  line-height: 1.74;
  color: var(--muted);
}

.page-faq .faq-table__cell--key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-faq .faq-table__ver {
  display: block;
  margin-bottom: 2px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--orange);
}

/* ---------- 数字读法 ---------- */
.page-faq .faq-read-section {
  margin-top: 44px;
}

.page-faq .faq-read {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 18px;
}

.page-faq .faq-read__item {
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: var(--ink-800);
  box-shadow: var(--shadow-1);
  transition: border-color .2s var(--ease), transform .2s var(--ease);
}

.page-faq .faq-read__item:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-faq .faq-read__num {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 26px;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: var(--cyan);
}

.page-faq .faq-read__name {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-faq .faq-read__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 继续咨询 ---------- */
.page-faq .faq-contact {
  position: relative;
  margin-top: 52px;
  padding: 40px 22px 32px;
  background: var(--sand);
  color: #16202F;
  clip-path: polygon(0 0, 100% 14px, 100% 100%, 0 100%);
}

.page-faq .faq-contact__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 4.4vw, 28px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: #0B1220;
}

.page-faq .faq-contact__text {
  margin: 0 0 20px;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.8;
  color: #35404F;
}

.page-faq .faq-contact__list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  border-top: 1px solid rgba(11, 18, 32, .18);
  padding-top: 16px;
}

.page-faq .faq-contact__key {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--teal);
  margin-bottom: 3px;
}

.page-faq .faq-contact__val {
  display: block;
  font-family: var(--mono);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
  color: #0B1220;
  word-break: break-word;
}

.page-faq .faq-contact__links {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #35404F;
}

.page-faq .faq-contact__links a {
  color: #0E6E6A;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 110, 106, .45);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-contact__links a:hover {
  color: #FF7A29;
  border-bottom-color: #FF7A29;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-faq .faq-read {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-faq .faq-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 28px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-shell {
    padding-block: 28px 96px;
  }

  .page-faq .faq-body {
    grid-template-columns: 292px minmax(0, 1fr);
    gap: 44px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-faq .faq-table__head,
  .page-faq .faq-table__row {
    display: grid;
    grid-template-columns: 132px minmax(0, 1fr) minmax(0, 1fr);
    gap: 0;
    padding: 0;
  }

  .page-faq .faq-table__head {
    border-bottom: 1px solid var(--line);
    background: var(--ink-700);
  }

  .page-faq .faq-table__head .faq-table__cell {
    padding: 11px 16px;
    font-family: var(--mono);
    font-size: 11.5px;
    letter-spacing: .14em;
    color: var(--muted);
    text-transform: uppercase;
  }

  .page-faq .faq-table__row .faq-table__cell {
    padding: 15px 16px;
    border-left: 1px solid var(--line);
    font-size: 13.5px;
    line-height: 1.76;
  }

  .page-faq .faq-table__row .faq-table__cell--key {
    border-left: 0;
    padding-top: 17px;
    color: var(--paper);
    letter-spacing: .1em;
  }

  .page-faq .faq-table__ver {
    display: none;
  }

  .page-faq .faq-q__q {
    font-size: 16px;
  }

  .page-faq .faq-q__a {
    padding-right: 32px;
  }

  .page-faq .faq-contact {
    padding: 48px 40px 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__item,
  .page-faq .faq-q,
  .page-faq .faq-q__q,
  .page-faq .faq-read__item,
  .page-faq .faq-q__a a,
  .page-faq .faq-contact__links a {
    transition: none;
  }

  .page-faq .faq-read__item:hover {
    transform: none;
  }
}
<<<END>>>

.page-faq {
  --mist: currentColor;
}