.page-faq {
  --faq-ink-soft: #3A4744;
  --faq-sticky-top: 28px;
  background: var(--paper);
  color: var(--charcoal);
  font-family: var(--font-body);
}

.page-faq .faq-crumb {
  padding: 20px 0 6px;
}

.page-faq .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--fog);
}

.page-faq .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--line-strong);
}

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

.page-faq .breadcrumb__list a:hover {
  color: var(--coral-ink);
}

/* 首屏 */
.page-faq .faq-hero {
  position: relative;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(250, 247, 240, .05) 0 1px, transparent 1px 84px),
    radial-gradient(120% 130% at 88% 0%, #1B5147 0%, var(--jade) 46%, var(--jade-deep) 100%);
  color: var(--paper);
}

.page-faq .faq-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 46px;
  background:
    repeating-linear-gradient(90deg, transparent 0 26px, rgba(224, 168, 59, .22) 26px 40px);
  mask-image: linear-gradient(to top, rgba(0, 0, 0, .55), transparent);
  -webkit-mask-image: linear-gradient(to top, rgba(0, 0, 0, .55), transparent);
  pointer-events: none;
}

.page-faq .faq-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
  padding: 36px 0 52px;
}

.page-faq .faq-hero__kicker {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-faq .faq-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 7vw, 48px);
  line-height: 1.24;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-faq .faq-hero__lede {
  margin: 18px 0 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(250, 247, 240, .84);
}

.page-faq .faq-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line-light);
}

.page-faq .faq-hero__stat {
  min-width: 0;
}

.page-faq .faq-hero__stat dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: rgba(250, 247, 240, .62);
}

.page-faq .faq-hero__stat dd {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  line-height: 1.3;
  color: var(--gold-soft);
  overflow-wrap: anywhere;
}

.page-faq .faq-hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 26px;
}

.page-faq .faq-hero__link {
  font-size: 14px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(250, 247, 240, .45);
  padding-bottom: 2px;
}

.page-faq .faq-hero__link:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

.page-faq .faq-hero__art {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid rgba(250, 247, 240, .18);
  box-shadow: 0 18px 44px -26px rgba(0, 0, 0, .7);
}

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

/* 主体：左索引 + 右问答流 */
.page-faq .faq-body {
  display: grid;
  gap: 26px;
  padding: 34px 0 68px;
}

.page-faq .faq-index {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(158deg, rgba(255, 255, 255, .88), var(--apricot) 96%);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.page-faq .faq-index__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--bronze);
}

.page-faq .faq-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-faq .faq-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--jade);
  text-decoration: none;
  transition: background-color .25s var(--ease), color .25s var(--ease);
}

.page-faq .faq-index__list a:hover {
  background: rgba(255, 255, 255, .72);
  color: var(--jade-deep);
}

.page-faq .faq-index__num {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--bronze);
}

.page-faq .faq-index__list a.is-current {
  background: var(--jade);
  color: var(--paper);
}

.page-faq .faq-index__list a.is-current .faq-index__num {
  color: var(--gold-soft);
}

.page-faq .faq-index__note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--fog);
}

.page-faq .faq-stream {
  min-width: 0;
}

/* 分组 */
.page-faq .faq-group {
  scroll-margin-top: 88px;
}

.page-faq .faq-group + .faq-group {
  margin-top: 46px;
}

.page-faq .faq-group__head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 2px solid var(--jade);
}

.page-faq .faq-group__num {
  flex: none;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--apricot);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--bronze);
}

.page-faq .faq-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 22px;
  line-height: 1.4;
  color: var(--jade-deep);
  overflow-wrap: anywhere;
}

.page-faq .faq-group__intro {
  margin: 12px 0 6px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

/* 六类总览 */
.page-faq .faq-overview {
  display: grid;
  gap: 1px;
  margin: 16px 0 0;
  padding: 1px;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-overview__item {
  display: flex;
  gap: 12px;
  padding: 15px 16px;
  background: var(--paper);
  color: var(--charcoal);
  text-decoration: none;
  transition: background-color .25s var(--ease);
}

.page-faq .faq-overview__item:hover {
  background: var(--apricot);
}

.page-faq .faq-overview__num {
  flex: none;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--celadon);
  color: var(--jade-deep);
  font-size: 11px;
}

.page-faq .faq-overview__text {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.page-faq .faq-overview__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--jade-deep);
}

.page-faq .faq-overview__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--faq-ink-soft);
}

/* 折叠问答 */
.page-faq .faq-q {
  border-bottom: 1px solid var(--line);
  background: transparent;
}

.page-faq .faq-q summary {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 4px;
  list-style: none;
  cursor: pointer;
}

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

.page-faq .faq-q summary h3 {
  flex: 1;
  margin: 0;
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.65;
  color: var(--charcoal);
  overflow-wrap: anywhere;
}

.page-faq .faq-q summary:hover h3 {
  color: var(--coral-ink);
}

.page-faq .faq-q__mark {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 2px;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transition: background-color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .faq-q__mark::before,
.page-faq .faq-q__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--jade);
  transform: translate(-50%, -50%);
  transition: transform .25s var(--ease), opacity .25s var(--ease);
}

.page-faq .faq-q__mark::before {
  width: 10px;
  height: 1.5px;
}

.page-faq .faq-q__mark::after {
  width: 1.5px;
  height: 10px;
}

.page-faq .faq-q[open] .faq-q__mark {
  background: var(--gold);
  border-color: var(--gold);
}

.page-faq .faq-q[open] .faq-q__mark::before,
.page-faq .faq-q[open] .faq-q__mark::after {
  background: var(--jade-deep);
}

.page-faq .faq-q[open] .faq-q__mark::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-q__body {
  padding: 0 4px 20px 38px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

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

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

.page-faq .faq-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: faqstep;
  display: grid;
  gap: 9px;
}

.page-faq .faq-steps li {
  position: relative;
  padding-left: 30px;
  counter-increment: faqstep;
}

.page-faq .faq-steps li::before {
  content: counter(faqstep);
  position: absolute;
  left: 0;
  top: 3px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--celadon);
  color: var(--jade-deep);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
}

.page-faq .copy-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: #fff;
  color: var(--jade-deep);
  cursor: pointer;
  transition: background-color .25s var(--ease), border-color .25s var(--ease);
}

.page-faq .copy-btn:hover {
  background: var(--apricot);
  border-color: var(--gold);
}

/* 版本章节配图 */
.page-faq .faq-figure {
  margin: 18px 0 6px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--mist);
}

.page-faq .faq-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.page-faq .faq-figure figcaption {
  margin: 10px 4px 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--fog);
}

/* 三步上手 */
.page-faq .faq-flow {
  display: grid;
  gap: 1px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-faq .faq-flow__step {
  padding: 18px 18px 20px;
  background: var(--paper);
}

.page-faq .faq-flow__num {
  display: inline-block;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--coral-ink);
}

.page-faq .faq-flow__step h3 {
  margin: 8px 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.5;
  color: var(--jade-deep);
}

.page-faq .faq-flow__step p {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--faq-ink-soft);
}

.page-faq .faq-flow__link {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--bronze);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-faq .faq-flow__link:hover {
  color: var(--coral-ink);
  border-bottom-color: var(--coral);
}

/* 未解决兜底 */
.page-faq .faq-group--fallback {
  margin-top: 52px;
}

.page-faq .faq-fallback {
  margin-top: 16px;
  padding: 22px 20px 24px;
  border-radius: var(--radius);
  background:
    radial-gradient(110% 120% at 100% 0%, #1B5147 0%, var(--jade) 52%, var(--jade-deep) 100%);
  color: rgba(250, 247, 240, .86);
}

.page-faq .faq-fallback > p {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
}

.page-faq .faq-fallback__list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-faq .faq-fallback__list li {
  position: relative;
  padding-left: 20px;
  font-size: 13.5px;
  line-height: 1.75;
}

.page-faq .faq-fallback__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}

.page-faq .faq-fallback__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
}

.page-faq .faq-fallback__link {
  font-size: 13px;
  color: rgba(250, 247, 240, .82);
  text-decoration: none;
  border-bottom: 1px solid rgba(250, 247, 240, .4);
  padding-bottom: 2px;
}

.page-faq .faq-fallback__link:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}

@media (min-width: 640px) {
  .page-faq .faq-overview {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-faq .faq-q__body {
    padding-left: 42px;
  }
}

@media (min-width: 900px) {
  .page-faq .faq-hero__inner {
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 48px;
    padding: 56px 0 68px;
  }

  .page-faq .faq-hero__lede {
    font-size: 15.5px;
  }

  .page-faq .faq-hero__stat dd {
    font-size: 24px;
  }
}

@media (min-width: 980px) {
  .page-faq .faq-body {
    grid-template-columns: 272px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
    padding: 48px 0 96px;
  }

  .page-faq .faq-index {
    position: sticky;
    top: var(--faq-sticky-top);
    padding: 20px 18px;
  }

  .page-faq .faq-group__title {
    font-size: 24px;
  }

  .page-faq .faq-q summary h3 {
    font-size: 16.5px;
  }

  .page-faq .faq-fallback {
    padding: 28px 28px 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-index__list a,
  .page-faq .faq-overview__item,
  .page-faq .faq-q__mark,
  .page-faq .faq-q__mark::before,
  .page-faq .faq-q__mark::after,
  .page-faq .copy-btn {
    transition: none;
  }
}
<<<END>>>