.page-faq{
  --faq-rail-w: 238px;
  --faq-nudge: clamp(16px, 3vw, 40px);
  background: var(--pearl);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.85;
}

.page-faq h1,
.page-faq h2{
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.page-faq .mono{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero{
  position: relative;
  padding: clamp(18px, 3vw, 30px) 0 clamp(34px, 5vw, 62px);
  background:
    radial-gradient(1100px 460px at 84% -22%, rgba(255,107,74,.34), transparent 62%),
    radial-gradient(760px 420px at 8% 108%, rgba(47,163,107,.26), transparent 66%),
    linear-gradient(165deg, var(--ocean) 0%, var(--deep) 56%, var(--deep-900) 100%);
  color: var(--pearl);
  isolation: isolate;
}

.page-faq .faq-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: radial-gradient(rgba(255,255,255,.2) 1px, transparent 1.4px);
  background-size: 24px 24px;
  opacity: .45;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.35) 60%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0,0,0,.35) 60%, transparent 100%);
}

.page-faq .faq-hero__crumbs{
  margin-bottom: clamp(14px, 2.4vw, 26px);
}

.page-faq .faq-hero .crumbs__link{
  color: rgba(251,247,242,.72);
}

.page-faq .faq-hero .crumbs__link:hover,
.page-faq .faq-hero .crumbs__link:focus-visible{
  color: var(--coral-soft);
}

.page-faq .faq-hero .crumbs__current{
  color: var(--pearl);
}

.page-faq .faq-hero__top{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: end;
}

.page-faq .faq-hero__cap{
  margin: 0 0 12px;
  color: var(--coral-soft);
}

.page-faq .faq-hero__title{
  margin: 0;
  font-size: clamp(28px, 5.6vw, 62px);
  line-height: 1.16;
  font-weight: 900;
  color: var(--pearl);
  max-width: 19em;
  overflow-wrap: break-word;
}

.page-faq .faq-hero__em{
  font-style: normal;
  color: var(--marker);
  background-image: linear-gradient(transparent 64%, rgba(255,224,102,.36) 64%);
  background-repeat: no-repeat;
  padding-inline: .08em;
}

.page-faq .faq-hero__lede{
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: rgba(251,247,242,.84);
}

.page-faq .faq-hero__facts{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  background: var(--line-light);
  border: 1px solid var(--line-light);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-faq .faq-hero__fact{
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  background: rgba(4,37,63,.42);
  font-size: 14px;
  line-height: 1.5;
  color: rgba(251,247,242,.82);
}

.page-faq .faq-hero__factNo{
  font-size: 26px;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--coral);
}

.page-faq .faq-hero__media{
  margin: clamp(24px, 4vw, 44px) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line-light);
  background: rgba(4,37,63,.35);
}

.page-faq .faq-hero__media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-faq .faq-hero__media .media__cap{
  display: block;
  padding: 11px 16px 13px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(251,247,242,.7);
  background: rgba(4,37,63,.55);
}

/* ---------- 正文骨架 ---------- */

.page-faq .faq-body__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 34px);
  padding-block: clamp(26px, 4.6vw, 64px) clamp(40px, 6vw, 80px);
}

/* ---------- 分类索引 ---------- */

.page-faq .faq-rail{
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-rail__cap{
  margin: 0 0 10px;
  color: var(--ink-soft);
}

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

.page-faq .faq-rail__item{
  flex: 0 0 auto;
}

.page-faq .faq-rail__link{
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: #fff;
  color: var(--deep);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease), background .2s var(--ease);
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible{
  border-color: var(--coral);
  background: rgba(255,107,74,.08);
  color: var(--coral);
}

.page-faq .faq-rail__link:focus-visible{
  outline: 2px solid var(--coral);
  outline-offset: 2px;
}

.page-faq .faq-rail__no{
  font-size: 12px;
  color: var(--ocean);
}

.page-faq .faq-rail__link:hover .faq-rail__no,
.page-faq .faq-rail__link:focus-visible .faq-rail__no{
  color: var(--coral);
}

/* ---------- 筛选条 ---------- */

.page-faq .faq-filter{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 3vw, 34px);
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(118deg, rgba(11,111,184,.07), rgba(255,107,74,.06) 62%, rgba(47,163,107,.06));
}

.page-faq .faq-filter .filter-bar__cap{
  flex: 0 0 auto;
  margin: 0 4px 0 0;
  color: var(--ink-soft);
}

.page-faq .faq-filter .filter-empty{
  flex: 1 1 100%;
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--ink-soft);
}

/* ---------- 问答分区 ---------- */

.page-faq .faq-block{
  margin-bottom: clamp(30px, 5vw, 56px);
  scroll-margin-top: calc(var(--bar-h) + 22px);
}

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

.page-faq .faq-block__head{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 12px;
  row-gap: 8px;
  padding-bottom: 14px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-faq .faq-block__no{
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: start;
  padding: 4px 9px;
  border: 1px solid rgba(255,107,74,.38);
  border-radius: var(--r-pill);
  background: rgba(255,107,74,.08);
  color: var(--coral);
  font-size: 12px;
  line-height: 1.5;
}

.page-faq .faq-block__title{
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: clamp(21px, 2.6vw, 32px);
  line-height: 1.3;
  font-weight: 900;
  color: var(--deep);
  overflow-wrap: break-word;
}

.page-faq .faq-block__sum{
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-faq .faq-block__media{
  margin: 0 0 18px;
  max-width: 480px;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--mist);
  box-shadow: var(--sh-1);
}

.page-faq .faq-block__media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-faq .faq-block__media .media__cap{
  display: block;
  padding: 9px 13px 11px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
  background: #fff;
}

/* ---------- 折叠问答 ---------- */

.page-faq .faq-list{
  display: grid;
  gap: 10px;
}

.page-faq .faq-item{
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: #fff;
  box-shadow: var(--sh-1);
  overflow: hidden;
  transition: border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-item:hover{
  border-color: var(--line-strong);
}

.page-faq .faq-item[open]{
  border-color: rgba(255,107,74,.5);
  box-shadow: 0 0 0 1px rgba(255,107,74,.16), var(--sh-1);
}

.page-faq .faq-item__q{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  font-size: 16.5px;
  line-height: 1.62;
  color: var(--deep);
  transition: color .2s var(--ease), background .2s var(--ease);
  overflow-wrap: break-word;
}

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

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

.page-faq .faq-item__q:focus-visible{
  outline: 2px solid var(--coral);
  outline-offset: -2px;
}

.page-faq .faq-item__text{
  flex: 1 1 auto;
  min-width: 0;
}

.page-faq .faq-item__node{
  flex: 0 0 auto;
  width: 11px;
  height: 11px;
  margin-top: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--ocean);
  background: transparent;
  transition: background .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease);
}

.page-faq .faq-item[open] .faq-item__node{
  background: var(--coral);
  border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(255,107,74,.18);
}

.page-faq .faq-item__sign{
  position: relative;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
  margin-top: 4px;
  border-radius: 50%;
  background: var(--mist);
  transition: background .22s var(--ease);
}

.page-faq .faq-item__sign::before,
.page-faq .faq-item__sign::after{
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  border-radius: 2px;
  background: var(--ocean);
  transform: translate(-50%, -50%);
  transition: transform .26s var(--ease), background .22s var(--ease);
}

.page-faq .faq-item__sign::after{
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-faq .faq-item[open] .faq-item__sign{
  background: var(--coral-soft);
}

.page-faq .faq-item[open] .faq-item__sign::before,
.page-faq .faq-item[open] .faq-item__sign::after{
  background: var(--coral);
}

.page-faq .faq-item[open] .faq-item__sign::after{
  transform: translate(-50%, -50%) rotate(0deg);
}

.page-faq .faq-item__a{
  padding: 0 16px 18px 39px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink-soft);
  border-top: 1px solid var(--line);
  padding-top: 14px;
  overflow-wrap: break-word;
}

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

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

.page-faq .faq-link{
  color: var(--ocean);
  text-decoration: none;
  border-bottom: 1px solid rgba(11,111,184,.4);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-faq .faq-link:hover,
.page-faq .faq-link:focus-visible{
  color: var(--coral);
  border-bottom-color: var(--coral);
}

.page-faq .faq-steps{
  counter-reset: faqstep;
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-faq .faq-steps__li{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 9px 12px;
  border-left: 2px solid var(--ocean);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--mist);
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--deep);
}

.page-faq .faq-steps__no{
  padding-top: 3px;
  font-size: 12px;
  color: var(--ocean);
}

.page-faq .faq-tip{
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px;
  margin-top: 12px !important;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  background: rgba(255,224,102,.3);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--deep);
}

.page-faq .faq-cta{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px !important;
}

/* ---------- 收尾深色分区 ---------- */

.page-faq .faq-block--dark{
  padding: clamp(20px, 3vw, 32px);
  border-radius: var(--r-lg);
  border: 1px solid var(--line-light);
  background:
    radial-gradient(620px 300px at 88% 6%, rgba(255,107,74,.3), transparent 62%),
    linear-gradient(152deg, var(--deep) 0%, var(--deep-900) 100%);
  color: var(--pearl);
}

.page-faq .faq-block--dark .faq-block__head{
  border-bottom-color: var(--line-light);
}

.page-faq .faq-block--dark .faq-block__no{
  border-color: rgba(255,107,74,.55);
  background: rgba(255,107,74,.16);
  color: var(--coral-soft);
}

.page-faq .faq-block--dark .faq-block__title{
  color: var(--pearl);
}

.page-faq .faq-block--dark .faq-block__sum{
  color: rgba(251,247,242,.74);
}

.page-faq .faq-block--dark .faq-item{
  background: rgba(255,255,255,.06);
  border-color: var(--line-light);
  box-shadow: none;
}

.page-faq .faq-block--dark .faq-item[open]{
  border-color: rgba(255,107,74,.6);
  box-shadow: 0 0 0 1px rgba(255,107,74,.22);
}

.page-faq .faq-block--dark .faq-item__q{
  color: var(--pearl);
}

.page-faq .faq-block--dark .faq-item__q:focus-visible{
  outline-color: var(--marker);
}

.page-faq .faq-block--dark .faq-item__sign{
  background: rgba(255,255,255,.14);
}

.page-faq .faq-block--dark .faq-item__sign::before,
.page-faq .faq-block--dark .faq-item__sign::after{
  background: var(--coral-soft);
}

.page-faq .faq-block--dark .faq-item[open] .faq-item__sign{
  background: rgba(255,107,74,.28);
}

.page-faq .faq-block--dark .faq-item__node{
  border-color: var(--coral-soft);
}

.page-faq .faq-block--dark .faq-item__a{
  color: rgba(251,247,242,.82);
  border-top-color: var(--line-light);
}

.page-faq .faq-block--dark .faq-steps__li{
  background: rgba(255,255,255,.08);
  border-left-color: var(--coral);
  color: rgba(251,247,242,.92);
}

.page-faq .faq-block--dark .faq-steps__no{
  color: var(--coral);
}

.page-faq .faq-block--dark .faq-link{
  color: var(--marker);
  border-bottom-color: rgba(255,224,102,.45);
}

.page-faq .faq-block--dark .faq-link:hover,
.page-faq .faq-block--dark .faq-link:focus-visible{
  color: var(--coral-soft);
  border-bottom-color: var(--coral-soft);
}

.page-faq .faq-block--dark .btn:focus-visible{
  outline: 2px solid var(--marker);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 620px){

  .page-faq .faq-item__a{
    padding-left: 16px;
    padding-right: 14px;
  }

  .page-faq .faq-item__q{
    padding: 13px 13px;
    font-size: 16px;
  }

  .page-faq .faq-block__media{
    max-width: 100%;
  }

  .page-faq .faq-filter{
    padding: 10px 11px;
  }
}

@media (min-width: 760px){

  .page-faq .faq-hero__media img{
    aspect-ratio: 14 / 5;
  }

  .page-faq .faq-list{
    gap: 12px;
  }
}

@media (min-width: 900px){

  .page-faq .faq-hero__top{
    grid-template-columns: 7fr 5fr;
    gap: clamp(24px, 3.4vw, 48px);
  }

  .page-faq .faq-hero__facts{
    align-self: end;
    grid-template-columns: 1fr;
  }

  .page-faq .faq-hero__fact{
    flex-direction: row;
    align-items: baseline;
    justify-content: flex-start;
    gap: 12px;
    padding: 12px 18px;
  }

  .page-faq .faq-hero__factNo{
    min-width: 2.6em;
    font-size: 22px;
  }
}

@media (min-width: 1000px){

  .page-faq .faq-body__grid{
    grid-template-columns: var(--faq-rail-w) minmax(0, 1fr);
    align-items: start;
    gap: clamp(28px, 4vw, 60px);
  }

  .page-faq .faq-rail{
    position: sticky;
    top: calc(var(--bar-h) + 20px);
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-faq .faq-rail__list{
    flex-direction: column;
    gap: 1px;
    overflow: visible;
    padding: 0;
  }

  .page-faq .faq-rail__item{
    width: 100%;
  }

  .page-faq .faq-rail__link{
    display: flex;
    width: 100%;
    padding: 9px 12px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--r-sm) var(--r-sm) 0;
    background: transparent;
    font-size: 14.5px;
    white-space: normal;
    text-align: left;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible{
    border-left-color: var(--coral);
    background: rgba(255,107,74,.08);
    color: var(--deep);
  }

  .page-faq .faq-block__media{
    margin-bottom: 20px;
  }
}

@media (prefers-reduced-motion: reduce){

  .page-faq .faq-item,
  .page-faq .faq-item__node,
  .page-faq .faq-item__sign,
  .page-faq .faq-item__sign::before,
  .page-faq .faq-item__sign::after,
  .page-faq .faq-rail__link{
    transition-duration: .001ms;
  }
}
<<<END>>>

需要我按这套标记协议再输出其他页面，或者把当前问答页的某个分区扩写成更完整的独立章节吗？