.page-faq{
  --faq-panel:rgba(14,22,53,.72);
  --faq-panel-solid:rgba(10,16,40,.92);
  --faq-dusk-soft:rgba(169,176,214,.72);
  color:var(--star);
  background:
    radial-gradient(88% 52% at 88% -4%, rgba(109,93,251,.22), transparent 62%),
    radial-gradient(64% 44% at 2% 6%, rgba(53,230,224,.09), transparent 60%),
    var(--space-ink);
}

.page-faq .section{
  position:relative;
  padding:clamp(44px,6.4vw,88px) 0;
}

.page-faq h2{
  font-size:clamp(25px,3.4vw,38px);
  line-height:1.16;
  letter-spacing:-.01em;
  margin:.34em 0 .55em;
}

.page-faq h3{
  font-size:clamp(18px,2vw,21px);
  line-height:1.4;
  margin:0;
}

.page-faq .eyebrow{
  color:var(--electric);
  letter-spacing:.16em;
}

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

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  padding-top:clamp(20px,3vw,36px);
  padding-bottom:clamp(46px,6.4vw,84px);
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}

.page-faq .faq-hero__grid{
  display:grid;
  gap:clamp(26px,5vw,52px);
  align-items:start;
  margin-top:clamp(18px,3vw,30px);
}

.page-faq .faq-hero h1{
  font-size:clamp(34px,6.6vw,66px);
  line-height:1.06;
  letter-spacing:-.025em;
  margin:.3em 0 .55em;
}

.page-faq .faq-hero__lead{
  font-size:clamp(15px,1.5vw,17px);
  line-height:1.85;
  color:var(--dusk);
  max-width:56ch;
  margin:0;
}

.page-faq .faq-search{
  margin-top:clamp(24px,3.4vw,36px);
}

.page-faq .faq-search__label{
  display:block;
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--electric);
  margin-bottom:10px;
}

.page-faq .faq-search__field{
  display:flex;
  align-items:center;
  gap:12px;
  padding:14px 18px;
  background:var(--faq-panel-solid);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}

.page-faq .faq-search__field:focus-within{
  border-color:var(--electric);
  box-shadow:0 0 0 1px rgba(53,230,224,.35),0 0 26px rgba(53,230,224,.16);
}

.page-faq .faq-search__icon{
  flex:none;
  color:var(--electric);
}

.page-faq .faq-search__input{
  flex:1;
  min-width:0;
  border:0;
  background:none;
  color:var(--star);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.5;
  outline:none;
}

.page-faq .faq-search__input::placeholder{
  color:rgba(169,176,214,.62);
}

.page-faq .faq-search__hint{
  font-size:12px;
  color:var(--faq-dusk-soft);
  margin:10px 0 0;
}

.page-faq .faq-tagwall{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:18px;
}

.page-faq .faq-tag{
  display:inline-block;
  padding:8px 15px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  color:var(--dusk);
  text-decoration:none;
  transition:background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}

.page-faq .faq-tag:hover,
.page-faq .faq-tag:focus-visible{
  background:var(--electric);
  border-color:var(--electric);
  color:var(--space-ink);
  transform:translateY(-1px);
}

.page-faq .faq-hero__media{
  margin:0;
}

.page-faq .media__frame{
  overflow:hidden;
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  background:linear-gradient(158deg, rgba(109,93,251,.2), rgba(7,11,31,.94));
}

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

.page-faq .media__cap{
  margin-top:10px;
  font-size:12px;
  line-height:1.6;
  color:var(--faq-dusk-soft);
}

/* ---------- 问答双栏 ---------- */
.page-faq .faq-map{
  background:linear-gradient(180deg, rgba(14,22,53,.5), transparent 42%);
  border-bottom:1px solid var(--line-soft);
}

.page-faq .faq-sec-head{
  max-width:740px;
}

.page-faq .faq-sec-head__lead{
  font-size:15px;
  line-height:1.8;
  color:var(--dusk);
  margin:0;
}

.page-faq .faq-map__grid{
  display:grid;
  gap:clamp(24px,3.4vw,44px);
  margin-top:clamp(24px,3.6vw,44px);
}

.page-faq .faq-map__navtitle{
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--faq-dusk-soft);
  margin:0 0 12px;
}

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

.page-faq .faq-map__list li{flex:none;}

.page-faq .faq-map__link{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:8px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13px;
  color:var(--dusk);
  text-decoration:none;
  white-space:nowrap;
  transition:border-color .24s var(--ease),color .24s var(--ease),background .24s var(--ease);
}

.page-faq .faq-map__no{
  font-size:11px;
  color:var(--nebula);
}

.page-faq .faq-map__link:hover,
.page-faq .faq-map__link:focus-visible{
  border-color:var(--electric);
  color:var(--electric);
}

.page-faq .faq-map__aside{
  display:none;
  margin:22px 0 0;
  padding-left:14px;
  border-left:1px solid var(--line);
}

.page-faq .faq-group + .faq-group{
  margin-top:clamp(30px,4vw,46px);
}

.page-faq .faq-group__head{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding-bottom:12px;
  margin-bottom:16px;
  border-bottom:1px solid var(--line-soft);
}

.page-faq .faq-group__no{
  font-size:12px;
  color:var(--nebula);
  letter-spacing:.1em;
}

.page-faq .qa{
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  background:var(--faq-panel);
  margin-bottom:10px;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}

.page-faq .qa:hover{
  border-color:rgba(53,230,224,.42);
}

.page-faq .qa[open]{
  border-color:rgba(53,230,224,.62);
  background:rgba(14,22,53,.92);
}

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

.page-faq .qa__head::-webkit-details-marker{display:none;}
.page-faq .qa__head::marker{content:"";}

.page-faq .qa__no{
  flex:none;
  min-width:26px;
  padding-top:2px;
  font-size:11px;
  letter-spacing:.08em;
  color:var(--nebula);
  transition:color .24s var(--ease);
}

.page-faq .qa[open] .qa__no{color:var(--electric);}

.page-faq .qa__q{
  flex:1;
  font-size:15px;
  font-weight:500;
  line-height:1.55;
  color:var(--star);
}

.page-faq .qa__icon{
  position:relative;
  flex:none;
  width:13px;
  height:13px;
  margin-top:6px;
}

.page-faq .qa__icon::before,
.page-faq .qa__icon::after{
  content:"";
  position:absolute;
  background:var(--dusk);
  transition:transform .24s var(--ease),background .24s var(--ease),opacity .24s var(--ease);
}

.page-faq .qa__icon::before{
  left:0;
  top:6px;
  width:13px;
  height:1.5px;
}

.page-faq .qa__icon::after{
  left:6px;
  top:0;
  width:1.5px;
  height:13px;
}

.page-faq .qa[open] .qa__icon::before,
.page-faq .qa[open] .qa__icon::after{
  background:var(--electric);
}

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

.page-faq .qa__body{
  padding:0 16px 18px 16px;
}

.page-faq .qa__body p{
  margin:0 0 10px;
  font-size:14.5px;
  line-height:1.82;
  color:var(--dusk);
}

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

.page-faq .qa__link{
  color:var(--electric);
  text-decoration:none;
  border-bottom:1px solid rgba(53,230,224,.4);
  transition:border-color .24s var(--ease),color .24s var(--ease);
}

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

.page-faq .qa__steps{
  list-style:none;
  counter-reset:step;
  display:grid;
  gap:12px;
  margin:0 0 10px;
  padding:0;
}

.page-faq .qa__steps li{
  counter-increment:step;
  display:grid;
  grid-template-columns:32px minmax(0,1fr);
  gap:12px;
  font-size:14.5px;
  line-height:1.78;
  color:var(--dusk);
}

.page-faq .qa__steps li::before{
  content:counter(step,decimal-leading-zero);
  font-family:var(--font-mono);
  font-size:19px;
  line-height:1;
  color:var(--electric);
  padding-top:2px;
  border-top:1px solid rgba(53,230,224,.45);
}

.page-faq .qa__meta{
  font-size:12px;
  color:var(--faq-dusk-soft);
  letter-spacing:.02em;
}

/* ---------- 使用深度 ---------- */
.page-faq .faq-depth{
  border-bottom:1px solid var(--line-soft);
}

.page-faq .faq-depth__grid{
  display:grid;
  gap:clamp(26px,4vw,48px);
  align-items:start;
}

.page-faq .faq-depth__lead{
  font-size:15px;
  line-height:1.82;
  color:var(--dusk);
  margin:0;
  max-width:52ch;
}

.page-faq .faq-depth__tabs{
  margin-top:clamp(22px,3vw,30px);
}

.page-faq .tabs__list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:16px;
}

.page-faq .tabs__tab{
  font-family:var(--font-body);
  font-size:13.5px;
  padding:9px 20px;
  border:1px solid var(--line);
  border-radius:999px;
  background:transparent;
  color:var(--dusk);
  cursor:pointer;
  transition:background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
}

.page-faq .tabs__tab:hover{
  border-color:var(--nebula);
  color:var(--star);
}

.page-faq .tabs__tab[aria-selected="true"],
.page-faq .tabs__tab.is-active,
.page-faq .tabs__tab.is-selected{
  background:var(--nebula);
  border-color:var(--nebula);
  color:#FFFFFF;
}

.page-faq .tabs__panel{
  padding:20px;
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  background:var(--faq-panel);
}

.page-faq .tabs__panel + .tabs__panel{margin-top:12px;}

.page-faq .tabs__panel p{
  margin:0 0 10px;
  font-size:14.5px;
  line-height:1.82;
  color:var(--dusk);
}

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

.page-faq .faq-depth__panel-title{
  font-size:16px;
  color:var(--star);
  margin-bottom:10px;
}

.page-faq .faq-depth__media{
  margin:0;
}

.page-faq .media__frame--tall img{
  object-fit:cover;
}

/* ---------- 检索技巧 ---------- */
.page-faq .faq-tips__grid{
  display:grid;
  gap:clamp(24px,3.4vw,42px);
  align-items:start;
}

.page-faq .faq-tips__note{
  max-width:34ch;
}

.page-faq .faq-tips__list{
  list-style:none;
  margin:0;
  padding:0;
}

.page-faq .tip{
  display:grid;
  grid-template-columns:44px minmax(0,1fr);
  gap:14px;
  padding:20px 0;
  border-top:1px solid var(--line-soft);
  transition:border-color .24s var(--ease);
}

.page-faq .tip:last-child{
  border-bottom:1px solid var(--line-soft);
}

.page-faq .tip:hover{
  border-top-color:rgba(53,230,224,.5);
}

.page-faq .tip__no{
  font-size:23px;
  line-height:1;
  color:rgba(109,93,251,.9);
}

.page-faq .tip:hover .tip__no{
  color:var(--electric);
}

.page-faq .tip__main h3{
  font-size:16.5px;
  margin-bottom:8px;
}

.page-faq .tip__main p{
  margin:0 0 8px;
  font-size:14px;
  line-height:1.8;
  color:var(--dusk);
}

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

/* ---------- 收尾 ---------- */
.page-faq .faq-help__panel{
  display:grid;
  gap:clamp(24px,3.4vw,40px);
  padding:clamp(24px,3.6vw,46px);
  border:1px solid rgba(245,184,75,.32);
  border-radius:var(--radius);
  background:linear-gradient(136deg, rgba(245,184,75,.1), rgba(109,93,251,.16) 58%, rgba(7,11,31,.28));
}

.page-faq .faq-help__text h2{
  margin-top:.3em;
}

.page-faq .faq-help__text p{
  font-size:15px;
  line-height:1.85;
  color:var(--dusk);
  margin:0;
  max-width:56ch;
}

.page-faq .faq-help__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}

.page-faq .faq-help__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:14px;
  align-self:start;
}

.page-faq .faq-help__list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  line-height:1.75;
  color:var(--dusk);
}

.page-faq .faq-help__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:11px;
  height:1px;
  background:var(--gold);
}

/* ---------- 响应式 ---------- */
@media (min-width:720px){
  .page-faq .qa__head{
    padding:18px 22px;
    gap:14px;
  }

  .page-faq .qa__q{font-size:16px;}

  .page-faq .qa__body{
    padding:0 22px 20px 62px;
  }

  .page-faq .faq-map__aside{display:block;}

  .page-faq .tabs__panel{padding:24px;}
}

@media (min-width:960px){
  .page-faq .faq-hero__grid{
    grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  }

  .page-faq .faq-map__grid{
    grid-template-columns:216px minmax(0,1fr);
  }

  .page-faq .faq-map__nav{
    position:sticky;
    top:96px;
    align-self:start;
  }

  .page-faq .faq-map__list{
    display:block;
    overflow:visible;
    padding-bottom:0;
  }

  .page-faq .faq-map__list li + li{margin-top:2px;}

  .page-faq .faq-map__link{
    display:flex;
    border:0;
    border-left:2px solid var(--line);
    border-radius:0;
    padding:9px 0 9px 14px;
    white-space:normal;
    font-size:13.5px;
  }

  .page-faq .faq-map__link:hover,
  .page-faq .faq-map__link:focus-visible{
    border-left-color:var(--electric);
  }

  .page-faq .faq-depth__grid{
    grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  }

  .page-faq .faq-tips__grid{
    grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
  }

  .page-faq .faq-help__panel{
    grid-template-columns:minmax(0,1.1fr) minmax(0,.72fr);
  }
}

@media (min-width:1180px){
  .page-faq .faq-hero h1{
    font-size:clamp(52px,5.4vw,70px);
  }
}
<<<END>>>