.page-faq {
  --faq-toc-w: 236px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero {
  border-bottom: 1px solid var(--rc-line);
  padding-block: clamp(2.4rem, 7vw, 5rem) clamp(1.6rem, 4vw, 3rem);
}

.page-faq .faq-hero__inner {
  max-width: 980px;
}

.page-faq .faq-hero__title {
  margin: .85rem 0 0;
  max-width: 20ch;
}

.page-faq .faq-hero__lede {
  margin-top: 1.3rem;
  max-width: 62ch;
  color: var(--rc-silver-2);
}

.page-faq .faq-hero__facts {
  list-style: none;
  margin: 2.1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .7rem 1.8rem;
  font-family: var(--rc-font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--rc-silver);
}

.page-faq .faq-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: .5rem;
  padding-right: 1.8rem;
  border-right: 1px solid var(--rc-line);
}

.page-faq .faq-hero__facts li:last-child {
  border-right: 0;
  padding-right: 0;
}

.page-faq .faq-hero__facts .rc-num {
  font-size: 1.4rem;
  color: var(--rc-gold);
  letter-spacing: 0;
}

/* ---------- 两栏骨架 ---------- */
.page-faq .faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  padding-block: clamp(2rem, 5vw, 3.4rem) clamp(3rem, 7vw, 5.5rem);
}

.page-faq .faq-toc {
  border: 1px solid var(--rc-line);
  border-radius: 4px;
  background: var(--rc-void-2);
  padding: 1rem 1.1rem 1.15rem;
}

.page-faq .faq-toc__label {
  margin: 0;
  font-family: var(--rc-font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--rc-silver);
}

.page-faq .faq-toc__list {
  list-style: none;
  margin: .85rem 0 0;
  padding: 0;
  display: grid;
  gap: .2rem;
}

.page-faq .faq-toc__link {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  padding: .42rem 0;
  color: var(--rc-silver-2);
  font-size: .93rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color .2s var(--rc-ease);
}

.page-faq .faq-toc__link:hover,
.page-faq .faq-toc__link:focus-visible {
  color: var(--rc-gold-hi);
}

.page-faq .faq-toc__num {
  flex: none;
  font-family: var(--rc-font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--rc-gold);
}

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

.page-faq .faq-body {
  min-width: 0;
  display: grid;
  gap: clamp(3rem, 8vw, 5.5rem);
}

.page-faq .faq-block {
  scroll-margin-top: calc(var(--rc-header-h-compact) + 1.5rem);
}

.page-faq .faq-block__head {
  max-width: 64ch;
}

.page-faq .faq-block__head .rc-heading {
  margin: .7rem 0 0;
}

.page-faq .faq-block__lede {
  margin: .9rem 0 0;
  color: var(--rc-silver-2);
}

/* ---------- 分类导航网格 ---------- */
.page-faq .faq-cat-grid {
  margin-top: 1.9rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--rc-line);
  border: 1px solid var(--rc-line);
  border-radius: 4px;
  overflow: hidden;
}

.page-faq .faq-cat {
  display: grid;
  gap: .5rem;
  padding: 1.4rem 1.25rem 1.5rem;
  background: var(--rc-void-2);
  text-decoration: none;
  transition: background .25s var(--rc-ease);
}

.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-visible {
  background: var(--rc-card);
}

.page-faq .faq-cat__num {
  font-family: var(--rc-font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--rc-gold);
}

.page-faq .faq-cat__name {
  font-family: var(--rc-font-display);
  font-size: 1.2rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--rc-ivory);
}

.page-faq .faq-cat__desc {
  font-size: .9rem;
  line-height: 1.7;
  color: var(--rc-silver-2);
}

.page-faq .faq-cat__go {
  margin-top: .25rem;
  font-family: var(--rc-font-mono);
  font-size: .72rem;
  letter-spacing: .12em;
  color: var(--rc-violet);
  transition: color .2s var(--rc-ease);
}

.page-faq .faq-cat:hover .faq-cat__go,
.page-faq .faq-cat:focus-visible .faq-cat__go {
  color: var(--rc-gold-hi);
}

/* ---------- 配图 ---------- */
.page-faq .faq-figure {
  margin: 1.9rem 0 0;
}

.page-faq .faq-figure .rc-media {
  border: 1px solid var(--rc-line);
  border-radius: 4px;
  overflow: hidden;
  background: var(--rc-void-2);
}

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

/* ---------- 折叠步骤 ---------- */
.page-faq .faq-steps {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: .7rem;
}

.page-faq .faq-step {
  border: 1px solid var(--rc-line);
  border-radius: 4px;
  background: var(--rc-void-2);
  transition: border-color .25s var(--rc-ease);
}

.page-faq .faq-step[open] {
  border-color: var(--rc-line-gold);
}

.page-faq .faq-step__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: .9rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
}

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

.page-faq .faq-step__sum::marker {
  content: "";
}

.page-faq .faq-step__num {
  font-family: var(--rc-font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--rc-gold);
}

.page-faq .faq-step__title {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.55;
  color: var(--rc-ivory);
}

.page-faq .faq-step__sign {
  position: relative;
  width: 12px;
  height: 12px;
  flex: none;
}

.page-faq .faq-step__sign::before,
.page-faq .faq-step__sign::after {
  content: "";
  position: absolute;
  background: var(--rc-gold);
  transition: transform .25s var(--rc-ease), opacity .25s var(--rc-ease);
}

.page-faq .faq-step__sign::before {
  left: 0;
  right: 0;
  top: 5px;
  height: 1px;
}

.page-faq .faq-step__sign::after {
  top: 0;
  bottom: 0;
  left: 5px;
  width: 1px;
}

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

.page-faq .faq-step__body {
  padding: 0 1.15rem 1.2rem;
  border-top: 1px solid var(--rc-line);
  margin-top: 0;
  padding-top: 1rem;
}

.page-faq .faq-step__body > p {
  margin: 0;
  max-width: 64ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--rc-silver-2);
}

/* ---------- 提示框 ---------- */
.page-faq .faq-note {
  margin-top: 1.9rem;
  padding: 1.15rem 1.25rem 1.25rem;
  background: var(--rc-card);
  border-left: 3px solid var(--rc-gold);
  border-radius: 0 4px 4px 0;
}

.page-faq .faq-note__title {
  margin: 0 0 .55rem;
  font-family: var(--rc-font-display);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--rc-ivory);
}

.page-faq .faq-note p {
  margin: 0;
  max-width: 64ch;
  font-size: .93rem;
  line-height: 1.8;
  color: var(--rc-silver-2);
}

.page-faq .faq-note a {
  color: var(--rc-violet);
  text-decoration: none;
  border-bottom: 1px solid var(--rc-line);
  transition: color .2s var(--rc-ease), border-color .2s var(--rc-ease);
}

.page-faq .faq-note a:hover,
.page-faq .faq-note a:focus-visible {
  color: var(--rc-gold-hi);
  border-color: var(--rc-line-gold);
}

/* ---------- 筛选行 / 说明行 ---------- */
.page-faq .faq-filters,
.page-faq .faq-facts {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  border-top: 1px solid var(--rc-line);
}

.page-faq .faq-filters__row,
.page-faq .faq-facts__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .3rem;
  padding: .95rem 0 1rem;
  border-bottom: 1px solid var(--rc-line);
}

.page-faq .faq-filters__num,
.page-faq .faq-facts__num {
  font-family: var(--rc-font-mono);
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--rc-gold);
}

.page-faq .faq-filters__name,
.page-faq .faq-facts__name {
  font-size: .98rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--rc-ivory);
}

.page-faq .faq-filters__desc,
.page-faq .faq-facts__desc {
  font-size: .92rem;
  line-height: 1.75;
  color: var(--rc-silver-2);
}

.page-faq .faq-facts__desc a {
  color: var(--rc-violet);
  text-decoration: none;
  border-bottom: 1px solid var(--rc-line);
}

.page-faq .faq-facts__desc a:hover,
.page-faq .faq-facts__desc a:focus-visible {
  color: var(--rc-gold-hi);
  border-color: var(--rc-line-gold);
}

.page-faq .faq-tail {
  margin: 1.5rem 0 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--rc-silver);
}

.page-faq .faq-tail a {
  color: var(--rc-violet);
  text-decoration: none;
  border-bottom: 1px solid var(--rc-line);
  transition: color .2s var(--rc-ease), border-color .2s var(--rc-ease);
}

.page-faq .faq-tail a:hover,
.page-faq .faq-tail a:focus-visible {
  color: var(--rc-gold-hi);
  border-color: var(--rc-line-gold);
}

/* ---------- 纠错步骤 ---------- */
.page-faq .faq-order {
  list-style: none;
  counter-reset: faqorder;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-faq .faq-order li {
  position: relative;
  counter-increment: faqorder;
  padding-left: 3.1rem;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--rc-silver-2);
}

.page-faq .faq-order li::before {
  content: counter(faqorder, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .18rem;
  width: 2.1rem;
  font-family: var(--rc-font-mono);
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--rc-gold);
}

.page-faq .faq-order strong {
  color: var(--rc-ivory);
  font-weight: 600;
}

/* ---------- 问答 ---------- */
.page-faq .faq-qa {
  margin-top: 1.9rem;
  border-top: 1px solid var(--rc-line);
}

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

.page-faq .faq-qa__q {
  position: relative;
  display: block;
  padding: 1.05rem 2.2rem 1.05rem 0;
  cursor: pointer;
  list-style: none;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--rc-ivory);
  transition: color .2s var(--rc-ease);
}

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

.page-faq .faq-qa__q::marker {
  content: "";
}

.page-faq .faq-qa__q:hover,
.page-faq .faq-qa__q:focus-visible {
  color: var(--rc-gold-hi);
}

.page-faq .faq-qa__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 1rem;
  font-family: var(--rc-font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--rc-gold);
}

.page-faq .faq-qa__item[open] .faq-qa__q::after {
  content: "\2212";
}

.page-faq .faq-qa__a {
  padding: 0 0 1.35rem;
}

.page-faq .faq-qa__a > p {
  margin: 0;
  max-width: 68ch;
  padding-left: 1rem;
  border-left: 1px solid var(--rc-line-gold);
  font-size: .93rem;
  line-height: 1.8;
  color: var(--rc-silver-2);
}

/* ---------- 收尾 ---------- */
.page-faq .faq-cta {
  border-top: 1px solid var(--rc-line);
  background: var(--rc-void-2);
}

.page-faq .faq-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
  padding-block: clamp(2.2rem, 6vw, 3.6rem);
}

.page-faq .faq-cta__inner .rc-heading {
  margin: 0;
}

.page-faq .faq-cta__inner p {
  margin: .8rem 0 0;
  max-width: 62ch;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--rc-silver-2);
  word-break: break-word;
}

.page-faq .faq-cta__inner .rc-btn {
  justify-self: start;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-faq .faq-cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-faq .faq-filters__row,
  .page-faq .faq-facts__row {
    grid-template-columns: 2.6rem 9rem minmax(0, 1fr);
    align-items: baseline;
    gap: 0 1rem;
    padding: 1.05rem 0;
  }

  .page-faq .faq-figure--square {
    max-width: 540px;
  }
}

@media (min-width: 860px) {
  .page-faq .faq-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 3rem;
  }
}

@media (min-width: 1000px) {
  .page-faq .faq-layout {
    grid-template-columns: var(--faq-toc-w) minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 5rem);
  }

  .page-faq .faq-toc {
    position: sticky;
    top: calc(var(--rc-header-h-compact) + 1.6rem);
    align-self: start;
    background: transparent;
    border: 0;
    border-left: 1px solid var(--rc-line);
    border-radius: 0;
    padding: .3rem 0 .3rem 1.2rem;
  }

  .page-faq .faq-toc__back {
    display: inline-block;
    margin-top: 1.5rem;
    padding-bottom: .2rem;
    font-size: .82rem;
    line-height: 1.5;
    color: var(--rc-violet);
    text-decoration: none;
    border-bottom: 1px solid var(--rc-line);
    transition: color .2s var(--rc-ease), border-color .2s var(--rc-ease);
  }

  .page-faq .faq-toc__back:hover,
  .page-faq .faq-toc__back:focus-visible {
    color: var(--rc-gold-hi);
    border-color: var(--rc-line-gold);
  }
}

/* ---------- 动效兼容 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-cat,
  .page-faq .faq-step,
  .page-faq .faq-step__sign::before,
  .page-faq .faq-step__sign::after,
  .page-faq .faq-qa__q,
  .page-faq .faq-toc__link,
  .page-faq .faq-cat__go {
    transition-duration: .12s;
  }
}
<<<END>>>