.page-faq{
  --faq-edge: rgba(192,199,209,.14);
  --faq-track: .1em;
  position: relative;
  display: block;
  overflow-x: hidden;
  background-color: var(--ink);
  background-image: linear-gradient(180deg, rgba(11,27,43,.30) 0%, rgba(7,15,24,.92) 100%);
  color: var(--silver);
}

.page-faq .faq-crumb{
  padding-top: 1rem;
  font-size: .8125rem;
}

.page-faq .faq-crumb a{
  color: var(--silver);
  text-decoration: none;
  transition: color var(--ease);
}

.page-faq .faq-crumb a:hover{
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 首屏 ---------- */

.page-faq .faq-hero{
  position: relative;
  padding: clamp(1.5rem,4vw,2.75rem) 0 clamp(2.5rem,6vw,4.25rem);
  border-bottom: 1px solid var(--line);
  background-image:
    repeating-linear-gradient(90deg, rgba(192,199,209,.05) 0 1px, transparent 1px 96px),
    linear-gradient(180deg, rgba(7,15,24,.85) 0%, rgba(11,27,43,0) 100%);
}

.page-faq .faq-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(112deg, transparent 36%, rgba(212,175,55,.10) 50%, transparent 64%);
}

.page-faq .faq-hero__inner{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem,4vw,2.5rem);
  align-items: start;
}

.page-faq .faq-hero__eyebrow{
  margin: 0;
  color: var(--gold);
  font-size: .75rem;
  letter-spacing: var(--faq-track);
}

.page-faq .faq-hero h1{
  margin: .6rem 0 0;
  color: var(--frost);
  font-size: clamp(2rem,7.5vw,3.4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: .02em;
}

.page-faq .faq-hero h1 em{
  font-style: normal;
  color: var(--gold);
  border-bottom: 4px solid rgba(212,175,55,.45);
  padding-bottom: .06em;
}

.page-faq .faq-hero__lead{
  margin: 1.1rem 0 0;
  max-width: 46rem;
  font-size: clamp(.9375rem,2.4vw,1.0625rem);
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-hero__index{
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-faq .faq-hero__index a{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .85rem;
  border: 1px solid var(--line);
  background: rgba(17,24,32,.72);
  color: var(--frost);
  font-size: .875rem;
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), transform var(--ease), box-shadow var(--ease);
}

.page-faq .faq-hero__index a:hover{
  border-color: var(--gold);
  color: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 rgba(212,175,55,.18);
}

.page-faq .faq-hero__index .rs-mono{
  color: var(--gold);
  font-size: .75rem;
}

.page-faq .faq-hero__media{
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-2);
  box-shadow: var(--shadow-hard);
}

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

/* ---------- 问题区块 ---------- */

.page-faq .faq-block{
  padding: clamp(2.25rem,6vw,4rem) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-faq .faq-block--alt{
  background-color: rgba(7,15,24,.55);
}

.page-faq .faq-block__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem,3vw,2rem);
}

.page-faq .faq-block__aside{
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
}

.page-faq .faq-block__num{
  display: block;
  font-size: clamp(2.25rem,7vw,3.6rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
  color: rgba(212,175,55,.18);
  -webkit-text-stroke: 1px rgba(212,175,55,.65);
}

.page-faq .faq-block__title{
  margin: .5rem 0 .55rem;
  color: var(--frost);
  font-size: clamp(1.3rem,3.6vw,1.85rem);
  font-weight: 800;
  letter-spacing: .05em;
  line-height: 1.25;
}

.page-faq .faq-block__note{
  margin: 0 0 .9rem;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--slate);
}

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

/* ---------- 折叠问答 ---------- */

.page-faq .faq-item{
  display: block;
  margin: 0 0 .75rem;
  border: 1px solid var(--line);
  background: var(--panel-2);
  box-shadow: 4px 4px 0 rgba(0,0,0,.3);
  transition: border-color var(--ease), box-shadow var(--ease);
}

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

.page-faq .faq-item:hover{
  border-color: rgba(212,175,55,.45);
}

.page-faq .faq-item[open]{
  border-color: var(--line-strong);
  box-shadow: var(--shadow-gold);
}

.page-faq .faq-item > summary{
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: auto minmax(0,1fr) auto;
  gap: .7rem;
  align-items: center;
  padding: .95rem 1rem;
  color: var(--frost);
  font-size: .9688rem;
  font-weight: 600;
  line-height: 1.55;
  transition: color var(--ease), background-color var(--ease);
}

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

.page-faq .faq-item > summary::marker{
  content: "";
}

.page-faq .faq-item > summary:hover,
.page-faq .faq-item > summary:focus-visible{
  color: var(--gold-light);
  background-color: rgba(212,175,55,.06);
  outline: none;
}

.page-faq .faq-item > summary:focus-visible{
  box-shadow: inset 0 0 0 2px rgba(212,175,55,.6);
}

.page-faq .faq-item__id{
  color: var(--gold);
  font-size: .75rem;
  letter-spacing: .06em;
}

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

.page-faq .faq-item__mark{
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

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

.page-faq .faq-item__mark::before{
  left: 0;
  top: 50%;
  width: 14px;
  height: 2px;
  margin-top: -1px;
}

.page-faq .faq-item__mark::after{
  top: 0;
  left: 50%;
  width: 2px;
  height: 14px;
  margin-left: -1px;
}

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

.page-faq .faq-item .rs-drawer__body{
  padding: .9rem 1rem 1.15rem;
  margin: 0;
  border-top: 1px dashed var(--line);
  color: var(--silver);
  font-size: .9375rem;
  line-height: 1.85;
}

.page-faq .faq-item .rs-drawer__body p{
  margin: 0;
}

.page-faq .faq-item .rs-drawer__body a{
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--ease);
}

.page-faq .faq-item .rs-drawer__body a:hover{
  color: var(--gold);
}

/* ---------- 客服区块 ---------- */

.page-faq .faq-contact{
  border-bottom: none;
  background-image: linear-gradient(150deg, rgba(140,107,31,.20) 0%, rgba(11,27,43,0) 55%);
}

.page-faq .faq-contact__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem,4vw,3rem);
  align-items: start;
}

.page-faq .faq-contact__text{
  border-left: 3px solid var(--gold);
  padding-left: 1rem;
}

.page-faq .faq-contact__lead{
  margin: 0 0 1.25rem;
  max-width: 40rem;
  font-size: .9688rem;
  line-height: 1.85;
  color: var(--silver);
}

.page-faq .faq-contact__rows{
  display: grid;
  grid-template-columns: 1fr;
  gap: .35rem;
  margin-bottom: 1.5rem;
  padding: 1rem;
  border: 1px solid var(--line);
  background: rgba(17,24,32,.75);
}

.page-faq .faq-contact__rows .rs-contact__row{
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: baseline;
  padding: .4rem 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-faq .faq-contact__rows .rs-contact__row:last-child{
  border-bottom: none;
}

.page-faq .faq-contact__rows .rs-contact__label{
  flex: 0 0 6.5rem;
  color: var(--gold);
  font-size: .8125rem;
  letter-spacing: .04em;
}

.page-faq .faq-contact__rows .rs-contact__value{
  flex: 1 1 12rem;
  min-width: 0;
  color: var(--frost);
  font-size: .9063rem;
  line-height: 1.7;
  word-break: break-word;
}

.page-faq .faq-contact__actions{
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.page-faq .faq-contact__media{
  margin: 0;
  border: 1px solid var(--line);
  background: var(--panel-2);
  box-shadow: var(--shadow-hard);
}

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

.page-faq .faq-contact__media .rs-media__caption{
  padding: .7rem 1rem;
  margin: 0;
  border-top: 1px solid var(--line-soft);
  color: var(--slate);
  font-size: .8125rem;
  line-height: 1.6;
}

.page-faq .faq-lane{
  margin: 0 0 2.5rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px){
  .page-faq .faq-contact__rows{
    grid-template-columns: 1fr 1fr;
  }

  .page-faq .faq-contact__rows .rs-contact__row{
    flex-direction: column;
    gap: .2rem;
    align-items: flex-start;
  }

  .page-faq .faq-contact__rows .rs-contact__label,
  .page-faq .faq-contact__rows .rs-contact__value{
    flex: none;
  }
}

@media (min-width: 900px){
  .page-faq .faq-hero__inner{
    grid-template-columns: minmax(0,1.08fr) minmax(0,.92fr);
    gap: clamp(2rem,5vw,4rem);
    padding-top: 1rem;
  }

  .page-faq .faq-block__grid{
    grid-template-columns: minmax(0,300px) minmax(0,1fr);
    gap: clamp(2rem,5vw,4rem);
    align-items: start;
  }

  .page-faq .faq-block__aside{
    position: sticky;
    top: 5.5rem;
  }

  .page-faq .faq-block--flip .faq-block__grid{
    grid-template-columns: minmax(0,1fr) minmax(0,300px);
  }

  .page-faq .faq-block--flip .faq-block__aside{
    grid-column: 2;
    grid-row: 1;
  }

  .page-faq .faq-block--flip .faq-block__main{
    grid-column: 1;
    grid-row: 1;
  }

  .page-faq .faq-contact__grid{
    grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr);
    gap: clamp(2rem,5vw,4rem);
  }
}

@media (min-width: 1180px){
  .page-faq .faq-hero__media{
    transform: translateY(1.25rem);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .faq-item,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-hero__index a,
  .page-faq .faq-item > summary{
    transition: none;
  }

  .page-faq .faq-hero__index a:hover{
    transform: none;
  }

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

等一下——收尾不能带“<<<END>>>”，标记只应该出现指定的那三个。让我把尾部修正一下——按要求，标记必须恰好为 `` 和 ``，不应该有“<<<END>>>”。我的输入里确实没有这个标记要求，去掉它就行。