.page-faq {
  --faq-axis: 236px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-intro {
  padding-top: 4px;
  padding-bottom: 0;
}

.page-faq .faq-intro__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-family: var(--pg-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pg-cyan);
}

.page-faq .faq-intro__kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--pg-cyan);
}

.page-faq .faq-intro__lead {
  max-width: 640px;
  margin-top: 20px;
}

.page-faq .faq-figure {
  margin: 42px 0 0;
  border: 1px solid var(--pg-line);
  background: var(--pg-panel);
  box-shadow: 6px 6px 0 rgba(34, 227, 210, .10);
  overflow: hidden;
}

.page-faq .faq-figure--inset {
  margin: 4px 0 22px;
  box-shadow: 6px 6px 0 rgba(124, 92, 255, .14);
}

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

.page-faq .faq-figure__cap {
  display: block;
  padding: 11px 15px;
  border-top: 1px solid var(--pg-line);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--pg-muted);
}

/* ---------- 主体骨架 ---------- */
.page-faq .faq-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: start;
}

/* ---------- 左侧主题索引 ---------- */
.page-faq .faq-index__title {
  margin: 0 0 14px;
  font-family: var(--pg-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--pg-muted);
}

.page-faq .faq-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-faq .faq-index__link {
  display: flex;
  align-items: center;
  gap: 9px;
  flex: none;
  padding: 9px 13px 9px 10px;
  border-left: 2px solid transparent;
  font-size: 15px;
  color: var(--pg-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color .16s var(--pg-ease), border-color .16s var(--pg-ease), background-color .16s var(--pg-ease);
}

.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible {
  color: var(--pg-text);
  border-left-color: var(--pg-cyan);
  background: rgba(34, 227, 210, .07);
  outline: none;
}

.page-faq .faq-index__num {
  font-family: var(--pg-mono);
  font-size: 12px;
  color: var(--pg-violet);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group {
  margin-bottom: 64px;
  scroll-margin-top: 148px;
}

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

.page-faq .faq-group__bar {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--pg-line);
}

.page-faq .faq-group__num {
  font-family: var(--pg-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--pg-gold);
}

.page-faq .faq-group__title {
  margin: 0;
  font-size: 26px;
}

.page-faq .faq-group__hint {
  display: none;
  margin-left: auto;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--pg-muted);
  white-space: nowrap;
}

/* ---------- 问答条目 ---------- */
.page-faq .faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--pg-line);
  border-left: 3px solid var(--pg-cyan);
  background: var(--pg-panel);
  box-shadow: 3px 3px 0 rgba(10, 10, 30, .55);
  transition: transform .18s var(--pg-ease), box-shadow .18s var(--pg-ease);
}

.page-faq .faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 rgba(255, 154, 60, .32);
}

.page-faq .faq-item[open] {
  box-shadow: 3px 3px 0 rgba(34, 227, 210, .28);
}

.page-faq .faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 17px 18px 17px 20px;
  cursor: pointer;
  list-style: none;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--pg-text);
  transition: color .16s var(--pg-ease);
}

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

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

.page-faq .faq-item__q:focus-visible {
  outline: 1px solid var(--pg-cyan);
  outline-offset: -3px;
}

.page-faq .faq-item__mark {
  position: relative;
  flex: none;
  width: 15px;
  height: 15px;
  margin: 5px 0 0 auto;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 15px;
  height: 1.5px;
  background: var(--pg-cyan);
  transition: transform .18s var(--pg-ease), background-color .18s var(--pg-ease);
}

.page-faq .faq-item__mark::after {
  transform: rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__mark::after {
  transform: rotate(0deg);
}

.page-faq .faq-item:hover .faq-item__mark::before,
.page-faq .faq-item:hover .faq-item__mark::after {
  background: var(--pg-orange);
}

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

.page-faq .faq-item__a .pg-text {
  max-width: 62ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--pg-muted);
}

.page-faq .faq-num {
  display: inline-block;
  padding: 0 3px;
  font-family: var(--pg-mono);
  font-size: 1.15em;
  font-weight: 700;
  color: var(--pg-cyan);
  background: transparent;
  border-radius: var(--pg-radius);
  transition: background-color .15s var(--pg-ease);
}

.page-faq .faq-num:hover {
  background: rgba(34, 227, 210, .16);
}

/* ---------- 客服区 ---------- */
.page-faq .faq-group--support .faq-group__bar {
  border-bottom-color: rgba(255, 154, 60, .5);
}

.page-faq .faq-support {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: 22px;
  padding: 22px 22px 22px 20px;
  border: 1px solid rgba(255, 154, 60, .45);
  border-left: 3px solid var(--pg-orange);
  background: linear-gradient(120deg, rgba(255, 154, 60, .09) 0%, rgba(21, 18, 56, .9) 62%);
}

.page-faq .faq-support__lead {
  flex: 1 1 320px;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--pg-muted);
}

.page-faq .faq-support__mail {
  font-family: var(--pg-mono);
  font-size: 14.5px;
  color: var(--pg-text);
  word-break: break-all;
}

.page-faq .faq-support__btn {
  flex: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-faq .faq-group__hint {
    display: block;
  }

  .page-faq .faq-item__q {
    padding: 20px 24px 20px 24px;
    font-size: 17px;
  }

  .page-faq .faq-item__a {
    padding: 0 26px 22px 24px;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-shell {
    grid-template-columns: var(--faq-axis) minmax(0, 1fr);
    gap: 60px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: 136px;
  }

  .page-faq .faq-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-faq .faq-index__link {
    white-space: normal;
    padding: 10px 14px 10px 12px;
  }

  .page-faq .faq-group {
    margin-bottom: 88px;
  }
}
<<<END>>>