.page-faq{
  --faq-sticky: 96px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
}

.page-faq .faq-crumbs{
  padding-top: 20px;
  padding-bottom: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--warm);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-faq .faq-mono{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--red);
  text-transform: uppercase;
  display: inline-block;
}
.page-faq .faq-mono--dark{
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  padding: 12px 0 0;
}
.page-faq .faq-hero__frame{
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: 24px;
  padding: 20px 18px 24px;
  overflow: hidden;
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: -1px -1px;
}
.page-faq .faq-hero__frame::after{
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed var(--line-soft);
  border-radius: 18px;
  pointer-events: none;
}
.page-faq .faq-hero__meta{
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-hero__grid{
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
  padding-top: 24px;
}
.page-faq .faq-hero__lead .ax-h1{
  margin: 0 0 16px;
  max-width: 22ch;
}
.page-faq .faq-hero__lead .ax-lede{
  max-width: 42ch;
  margin: 0 0 22px;
}
.page-faq .faq-hero__quick{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-faq .faq-hero__stats{
  display: grid;
  gap: 0;
  align-content: start;
  border-top: 1px solid var(--line);
}
.page-faq .faq-stat{
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-stat:last-child{
  border-bottom: 0;
}
.page-faq .faq-stat__num{
  font-family: var(--mono);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--navy);
  line-height: 1.1;
}
.page-faq .faq-stat__label{
  font-size: 13px;
  line-height: 1.6;
  color: var(--warm);
}

/* ---------- 全宽横条 ---------- */
.page-faq .faq-band{
  background: var(--navy);
  color: var(--paper);
  margin: 40px 0;
  border-top: 1px solid rgba(59,224,198,.35);
  border-bottom: 1px solid rgba(59,224,198,.35);
}
.page-faq .faq-band__inner{
  display: grid;
  gap: 10px;
  padding-top: 26px;
  padding-bottom: 26px;
}
.page-faq .faq-band__kicker{
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  text-transform: uppercase;
}
.page-faq .faq-band__text{
  margin: 0;
  font-size: 17px;
  line-height: 1.7;
  max-width: 54ch;
  color: var(--paper);
}

/* ---------- 通用区块 ---------- */
.page-faq .faq-section{
  padding: 44px 0;
}
.page-faq .faq-section--alt{
  background: var(--paper-2);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-sechead{
  display: grid;
  gap: 10px;
  margin-bottom: 26px;
  max-width: 60ch;
}
.page-faq .faq-sechead .ax-h2{
  margin: 0;
}
.page-faq .faq-sechead .ax-text{
  margin: 0;
  color: var(--warm);
}

/* ---------- 图 ---------- */
.page-faq .faq-figure{
  margin: 0 0 26px;
  border: 1px solid var(--line);
  border-radius: 20px;
  overflow: hidden;
  background: var(--paper);
}
.page-faq .faq-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-faq .faq-figure figcaption{
  padding: 10px 16px 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--warm);
  border-top: 1px solid var(--line-soft);
}
.page-faq .faq-figure--narrow{
  max-width: 640px;
  margin-top: 16px;
  margin-bottom: 20px;
}

/* ---------- 九类目录 ---------- */
.page-faq .faq-cats{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-faq .faq-cat{
  border-bottom: 1px solid var(--line-soft);
  border-left: 2px solid transparent;
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}
.page-faq .faq-cat__link{
  display: block;
  padding: 18px 16px 20px;
  text-decoration: none;
  color: inherit;
}
.page-faq .faq-cat__no{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--red);
  margin-right: 10px;
}
.page-faq .faq-cat__name{
  font-family: var(--sans);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--navy);
}
.page-faq .faq-cat__desc{
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--warm);
}
.page-faq .faq-cat__count{
  display: block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--navy-2);
}
.page-faq .faq-cat:hover,
.page-faq .faq-cat:focus-within{
  background: var(--paper-2);
  border-left-color: var(--amber);
}
.page-faq .faq-cat__link:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

/* ---------- 分栏 ---------- */
.page-faq .faq-split{
  display: grid;
  gap: 32px;
}

/* ---------- 侧边检索 ---------- */
.page-faq .faq-rail{
  display: grid;
  gap: 16px;
  align-content: start;
}
.page-faq .faq-rail__box{
  position: static;
  display: block;
  background: var(--paper);
  border: 1px solid var(--line-strong);
  border-radius: 18px;
  padding: 16px;
  box-shadow: none;
}
.page-faq .ax-searchpanel__inner{
  display: grid;
  gap: 12px;
}
.page-faq .ax-searchpanel__label{
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--navy);
  text-transform: uppercase;
}
.page-faq .ax-searchpanel__field{
  display: block;
}
.page-faq .ax-searchpanel__input{
  width: 100%;
  max-width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.5;
}
.page-faq .ax-searchpanel__input::placeholder{
  color: var(--warm);
}
.page-faq .ax-searchpanel__input:focus{
  outline: 2px solid var(--cyan);
  outline-offset: 1px;
}
.page-faq .ax-searchpanel__count{
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--warm);
}
.page-faq .ax-searchpanel__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-height: 46vh;
  overflow-y: auto;
  border-top: 1px solid var(--line-soft);
}
.page-faq .ax-searchpanel__item{
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .ax-searchpanel__link{
  display: block;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
}
.page-faq .ax-searchpanel__link:hover{
  color: var(--teal);
}
.page-faq .ax-searchpanel__desc{
  display: block;
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--warm);
}
.page-faq .faq-rail__note{
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 14px 16px;
  background: var(--paper);
}
.page-faq .faq-rail__note p{
  margin: 0 0 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--warm);
}

/* ---------- 问答流 ---------- */
.page-faq .faq-flow{
  min-width: 0;
}
.page-faq .faq-list{
  border-top: 1px solid var(--line);
}
.page-faq .faq-item{
  border-bottom: 1px solid var(--line);
}
.page-faq .faq-item__summary{
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "no q mark"
    "teaser teaser teaser";
  gap: 6px 12px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
}
.page-faq .faq-item__summary::-webkit-details-marker{
  display: none;
}
.page-faq .faq-item__summary:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}
.page-faq .faq-item__no{
  grid-area: no;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--red);
  align-self: baseline;
}
.page-faq .faq-item__q{
  grid-area: q;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
  letter-spacing: -0.01em;
  transition: color .2s var(--ease);
}
.page-faq .faq-item__teaser{
  grid-area: teaser;
  font-size: 13px;
  line-height: 1.6;
  color: var(--warm);
}
.page-faq .faq-item__mark{
  grid-area: mark;
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 4px;
  justify-self: end;
}
.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after{
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  width: 14px;
  height: 2px;
  background: var(--navy-2);
  transition: transform .22s var(--ease), background-color .22s var(--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[open] .faq-item__mark::before,
.page-faq .faq-item[open] .faq-item__mark::after{
  background: var(--red);
}
.page-faq .faq-item[open] .faq-item__q{
  color: var(--teal);
}
.page-faq .faq-item__body{
  margin: 0 4px 6px;
  padding: 2px 0 18px 16px;
  border-left: 2px solid var(--amber);
}
.page-faq .faq-item__body p{
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
  max-width: 50ch;
}

/* ---------- 检索说明 ---------- */
.page-faq .faq-searchnote{
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}
.page-faq .faq-searchnote .ax-h3{
  margin: 0 0 6px;
}
.page-faq .faq-tips{
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-faq .faq-tips li{
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--warm);
}
.page-faq .faq-tips li::before{
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 10px;
  height: 2px;
  background: var(--amber);
}
.page-faq .faq-tips strong{
  color: var(--ink);
}

/* ---------- 历史资料 ---------- */
.page-faq .faq-legacy{
  background: var(--ink);
  color: var(--paper);
  border-top: 1px solid rgba(59,224,198,.4);
}
.page-faq .faq-legacy__inner{
  display: grid;
  gap: 28px;
  padding-top: 44px;
  padding-bottom: 44px;
}
.page-faq .faq-legacy__title{
  color: var(--paper);
  margin: 12px 0 14px;
}
.page-faq .faq-legacy__lead p{
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(244,238,226,.72);
  max-width: 44ch;
}
.page-faq .faq-legacy__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(244,238,226,.18);
}
.page-faq .faq-legacy__list li{
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(244,238,226,.14);
}
.page-faq .faq-legacy__no{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 2px;
}
.page-faq .faq-legacy__t{
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}
.page-faq .faq-legacy__d{
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244,238,226,.68);
}
.page-faq .faq-legacy a.ax-link{
  color: var(--cyan);
}

/* ---------- 联系 ---------- */
.page-faq .faq-help{
  display: grid;
  gap: 26px;
  border: 1px solid var(--line-strong);
  border-radius: 22px;
  padding: 22px 18px 24px;
  background: var(--paper-2);
}
.page-faq .faq-help__lead .ax-h2{
  margin: 12px 0 14px;
}
.page-faq .faq-help__lead .ax-text{
  margin: 0 0 20px;
  max-width: 46ch;
  color: var(--ink);
}
.page-faq .faq-help__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-faq .faq-help__item{
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}
.page-faq .faq-help__label{
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--warm);
  text-transform: uppercase;
}
.page-faq .faq-help__value{
  font-size: 16px;
  font-weight: 700;
  color: var(--teal);
  text-decoration: none;
  word-break: break-word;
}
.page-faq .faq-help__value--plain{
  color: var(--ink);
}
.page-faq .faq-help__value:hover{
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-faq .faq-help__hint{
  font-size: 13px;
  line-height: 1.7;
  color: var(--warm);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-faq .faq-hero__frame{
    padding: 24px 24px 28px;
  }
  .page-faq .faq-cats{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-faq .faq-cat{
    border-right: 1px solid var(--line-soft);
  }
  .page-faq .faq-cat:nth-child(2n){
    border-right: 0;
  }
  .page-faq .faq-help{
    padding: 26px 24px 28px;
  }
  .page-faq .faq-item__q{
    font-size: 17px;
  }
}

@media (min-width: 860px){
  .page-faq .faq-hero__grid{
    grid-template-columns: minmax(0, 1.4fr) minmax(0, .6fr);
    gap: 40px;
    align-items: start;
  }
  .page-faq .faq-hero__stats{
    border-top: 0;
    border-left: 1px solid var(--line);
    padding-left: 24px;
  }
  .page-faq .faq-cats{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-faq .faq-cat{
    border-right: 1px solid var(--line-soft);
  }
  .page-faq .faq-cat:nth-child(2n){
    border-right: 1px solid var(--line-soft);
  }
  .page-faq .faq-cat:nth-child(3n){
    border-right: 0;
  }
  .page-faq .faq-item__summary{
    grid-template-columns: 56px minmax(0, 1fr) 220px 20px;
    grid-template-areas: "no q teaser mark";
    align-items: baseline;
    gap: 4px 16px;
    padding: 20px 4px;
  }
  .page-faq .faq-item__teaser{
    text-align: right;
  }
  .page-faq .faq-item__mark{
    margin-top: 0;
    align-self: center;
  }
  .page-faq .faq-item__body{
    padding-left: 20px;
    margin-left: 4px;
  }
  .page-faq .faq-item__body p{
    margin-left: 56px;
  }
  .page-faq .faq-legacy__inner{
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: start;
    padding-top: 54px;
    padding-bottom: 54px;
  }
  .page-faq .faq-help{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
    padding: 32px 30px 34px;
  }
}

@media (min-width: 980px){
  .page-faq .faq-split{
    grid-template-columns: var(--rail) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
  .page-faq .faq-rail{
    position: sticky;
    top: var(--faq-sticky);
  }
  .page-faq .faq-hero__frame{
    padding: 28px 32px 34px;
  }
  .page-faq .faq-stat__num{
    font-size: 32px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-faq .faq-cat,
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after,
  .page-faq .faq-item__q{
    transition: none;
  }
}
<<<END>>>