.page-faq{
  display:block;
  background:var(--ink);
  color:var(--frost);
  overflow-x:hidden;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  padding:clamp(20px,3.5vw,36px) 0 clamp(34px,6vw,74px);
  border-bottom:1px solid var(--grid);
  background:
    radial-gradient(92% 120% at 88% -12%, rgba(31,168,168,.24), transparent 62%),
    radial-gradient(72% 96% at -4% 112%, rgba(217,58,56,.14), transparent 62%),
    var(--ink-deep);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:-22% -12% auto -12%;
  height:150%;
  background-image:repeating-linear-gradient(96deg, rgba(59,224,138,.15) 0 1px, transparent 1px 66px);
  pointer-events:none;
  z-index:-1;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 76%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.85), transparent 76%);
}
.page-faq .faq-hero .crumbs{
  font-size:13px;
  color:var(--mist);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.page-faq .faq-hero .crumbs a{
  color:var(--mist);
  text-decoration:none;
  transition:color .16s var(--ease);
}
.page-faq .faq-hero .crumbs a:hover,
.page-faq .faq-hero .crumbs a:focus-visible{ color:var(--green); }

.page-faq .faq-hero__eyebrow{
  margin:26px 0 0;
  color:var(--teal);
}
.page-faq .faq-hero__title{
  margin:14px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(34px,7.6vw,84px);
  line-height:1.04;
  letter-spacing:-.035em;
  color:var(--starbright);
  max-width:16ch;
}
.page-faq .faq-hero__title em{
  display:block;
  font-style:normal;
  color:var(--green);
}
@supports (-webkit-text-stroke:1px #000){
  .page-faq .faq-hero__title em{
    color:transparent;
    -webkit-text-stroke:1.5px var(--green);
  }
}
.page-faq .faq-hero__lead{
  margin:22px 0 0;
  max-width:62ch;
  font-size:clamp(15px,1.2vw,17px);
  line-height:1.9;
  color:var(--frost);
}

.page-faq .faq-jump{
  margin-top:clamp(24px,3.5vw,42px);
  padding-top:20px;
  border-top:1px solid var(--grid);
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.page-faq .faq-jump a{
  display:inline-flex;
  align-items:center;
  padding:7px 12px;
  border:1px solid var(--grid);
  background:rgba(30,51,80,.35);
  color:var(--frost);
  text-decoration:none;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease);
}
.page-faq .faq-jump a:hover,
.page-faq .faq-jump a:focus-visible{
  border-color:var(--green);
  color:var(--green);
  background:rgba(59,224,138,.1);
}

/* ---------- 分组 ---------- */
.page-faq .faq-group{
  scroll-margin-top:96px;
  border-bottom:1px solid var(--grid);
  background:var(--ink);
}
.page-faq .faq-group--alt{ background:var(--ink-deep); }

.page-faq .faq-group__head{
  display:grid;
  grid-template-columns:max-content minmax(0,1fr);
  align-items:baseline;
  gap:4px 18px;
  padding:clamp(22px,3vw,36px) clamp(14px,2.6vw,28px);
  background:linear-gradient(90deg, rgba(31,168,168,.26) 0%, rgba(11,27,51,0) 64%);
  border-left:2px solid var(--teal);
}
.page-faq .faq-group__no{
  grid-row:1 / span 2;
  align-self:start;
  font-size:clamp(26px,4vw,46px);
  font-weight:700;
  line-height:1;
  color:var(--teal);
}
.page-faq .faq-group__title{
  grid-column:2;
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(19px,2.4vw,30px);
  line-height:1.26;
  letter-spacing:-.01em;
  color:var(--starbright);
}
.page-faq .faq-group__lead{
  grid-column:2;
  margin:6px 0 0;
  max-width:70ch;
  font-size:15px;
  line-height:1.85;
  color:var(--mist);
}

.page-faq .faq-group__body{
  padding:clamp(14px,2vw,22px) clamp(14px,2.6vw,28px) clamp(30px,4.5vw,58px);
}
.page-faq .faq-group__body--split{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(20px,3vw,44px);
}

/* ---------- 问答条目 ---------- */
.page-faq .qa{
  border-top:1px solid var(--grid);
}
.page-faq .qa:last-child{
  border-bottom:1px solid var(--grid);
}
.page-faq .qa[open]{
  background:linear-gradient(180deg, rgba(59,224,138,.05), rgba(59,224,138,0) 70%);
}
.page-faq .qa__q{
  display:grid;
  grid-template-columns:44px minmax(0,1fr) 16px;
  align-items:start;
  gap:14px;
  padding:18px 4px;
  cursor:pointer;
  list-style:none;
}
.page-faq .qa__q::-webkit-details-marker{ display:none; }
.page-faq .qa__q::marker{ content:""; }
.page-faq .qa__q:hover .qa__text,
.page-faq .qa__q:focus-visible .qa__text{ color:var(--green); }

.page-faq .qa__idx{
  font-size:12px;
  letter-spacing:.1em;
  color:var(--mist);
  padding-top:5px;
}
.page-faq .qa__text{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(15px,1.5vw,18px);
  line-height:1.6;
  color:var(--starbright);
  transition:color .16s var(--ease);
}
.page-faq .qa__mark{
  width:0;
  height:0;
  margin-top:8px;
  border-left:9px solid var(--orange);
  border-top:6px solid transparent;
  border-bottom:6px solid transparent;
  transition:transform .18s var(--ease);
}
.page-faq .qa[open] .qa__mark{ transform:rotate(90deg); }

.page-faq .qa__a{
  margin-left:58px;
  padding:14px 4px 22px 0;
  border-top:1px solid var(--grid);
  font-size:15px;
  line-height:1.9;
  color:var(--frost);
}
.page-faq .qa__a p{ margin:0; }
.page-faq .qa__a p + p{ margin-top:10px; }
.page-faq .qa__a a{
  color:var(--teal);
  text-decoration:none;
  border-bottom:1px solid rgba(31,168,168,.5);
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.page-faq .qa__a a:hover,
.page-faq .qa__a a:focus-visible{
  color:var(--green);
  border-bottom-color:var(--green);
}

.page-faq .faq-more{
  margin:20px 0 0;
  font-size:14px;
  line-height:1.8;
  color:var(--mist);
}
.page-faq .faq-more a{
  color:var(--teal);
  text-decoration:none;
  border-bottom:1px solid rgba(31,168,168,.5);
}
.page-faq .faq-more a:hover,
.page-faq .faq-more a:focus-visible{
  color:var(--green);
  border-bottom-color:var(--green);
}

/* ---------- 侧图 ---------- */
.page-faq .faq-side{
  margin:0;
  border:1px solid var(--grid);
  background:var(--ink-deep);
}
.page-faq .faq-side .media{
  display:block;
  border-bottom:1px solid var(--grid);
}
.page-faq .faq-side .media img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.page-faq .faq-side__cap{
  padding:12px 14px;
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}

/* ---------- 中段信息图 ---------- */
.page-faq .faq-visual{
  padding:clamp(30px,5vw,64px) 0;
  border-bottom:1px solid var(--grid);
  background:
    radial-gradient(80% 110% at 50% 0%, rgba(31,168,168,.16), transparent 66%),
    var(--ink-band);
}
.page-faq .faq-visual .media{
  border:1px solid var(--grid);
}
.page-faq .faq-visual .media img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.page-faq .faq-visual__cap{
  margin:14px 0 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--mist);
}

/* ---------- 联系出口 ---------- */
.page-faq .faq-help{
  position:relative;
  overflow:hidden;
  padding:clamp(40px,6vw,88px) 0 clamp(48px,7vw,96px);
  border-bottom:1px solid var(--grid);
  background:
    radial-gradient(88% 120% at 10% -6%, rgba(217,58,56,.18), transparent 58%),
    linear-gradient(158deg, var(--ink-deep) 0%, var(--ink) 56%, rgba(31,168,168,.34) 100%);
}
.page-faq .faq-help::before{
  content:"";
  position:absolute;
  inset:-12% -6%;
  background-image:repeating-linear-gradient(100deg, rgba(247,250,255,.07) 0 1px, transparent 1px 54px);
  pointer-events:none;
}
.page-faq .faq-help__grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(24px,3.5vw,48px);
}
.page-faq .faq-help .eyebrow{
  color:var(--orange);
}
.page-faq .faq-help__title{
  margin:12px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(24px,3.4vw,44px);
  line-height:1.1;
  letter-spacing:-.025em;
  color:var(--starbright);
}
.page-faq .faq-help__time{
  display:inline-block;
  margin:16px 0 0;
  padding:6px 11px;
  border:1px solid rgba(59,224,138,.45);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--green);
}
.page-faq .faq-help__note{
  margin:16px 0 0;
  max-width:54ch;
  font-size:15px;
  line-height:1.9;
  color:var(--frost);
}
.page-faq .faq-help__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:24px;
}
.page-faq .faq-help .contact-list{
  display:grid;
  gap:1px;
  background:var(--grid);
  border:1px solid var(--grid);
  margin:0;
  padding:0;
  list-style:none;
}
.page-faq .faq-help .contact-item{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  padding:16px 16px;
  background:rgba(7,18,35,.72);
}
.page-faq .faq-help .contact-key{
  flex:0 0 82px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--mist);
}
.page-faq .faq-help .contact-val{
  flex:1 1 160px;
  min-width:0;
  font-size:15px;
  line-height:1.6;
  color:var(--starbright);
  word-break:break-word;
}
.page-faq .faq-help .copy-btn{ flex:0 0 auto; }

/* ---------- 响应式 ---------- */
@media (min-width:900px){
  .page-faq .faq-group__body--split{
    grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
    align-items:start;
  }
  .page-faq .faq-side{
    margin-top:36px;
    position:sticky;
    top:96px;
  }
}
@media (min-width:860px){
  .page-faq .faq-help__grid{
    grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
    align-items:start;
  }
}
@media (max-width:719px){
  .page-faq .qa__q{
    grid-template-columns:34px minmax(0,1fr) 14px;
    gap:10px;
    padding:16px 2px;
  }
  .page-faq .qa__idx{ padding-top:4px; }
  .page-faq .qa__a{
    margin-left:0;
    padding:12px 2px 20px;
  }
  .page-faq .faq-group__head{
    grid-template-columns:minmax(0,1fr);
    gap:8px;
    border-left-width:2px;
  }
  .page-faq .faq-group__no{
    grid-row:auto;
    font-size:24px;
  }
  .page-faq .faq-group__title,
  .page-faq .faq-group__lead{
    grid-column:1;
  }
  .page-faq .faq-visual__cap{
    letter-spacing:.08em;
  }
}