.page-faq{
  --faq-rail-w:272px;
  --faq-sticky:112px;
  --faq-tone:var(--lr-cyan);
  position:relative;
  isolation:isolate;
  overflow-x:hidden;
  color:var(--lr-white);
  font-family:var(--lr-font-body);
  background:
    radial-gradient(1180px 520px at 86% -10%, rgba(139,92,255,.20), transparent 62%),
    radial-gradient(920px 460px at -8% 16%, rgba(53,230,255,.14), transparent 60%),
    var(--lr-abyss);
  padding-bottom:clamp(48px,7vw,96px);
}

.page-faq a{ color:inherit; }

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  padding-top:clamp(20px,3vw,40px);
}

.page-faq .faq-hero__inner{
  position:relative;
  padding-bottom:clamp(24px,3.4vw,42px);
}

.page-faq .faq-crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0 0 clamp(22px,3vw,36px);
  font-family:var(--lr-font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--lr-mist);
}

.page-faq .faq-crumb a{
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s ease, border-color .2s ease;
}

.page-faq .faq-crumb a:hover,
.page-faq .faq-crumb a:focus-visible{
  color:var(--lr-cyan);
  border-bottom-color:var(--lr-cyan);
}

.page-faq .faq-crumb__sep{ color:rgba(154,166,200,.5); }

.page-faq .faq-hero__kicker{
  margin:0;
  font-family:var(--lr-font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lr-cyan);
}

.page-faq .faq-hero__title{
  margin:14px 0 0;
  font-family:var(--lr-font-display);
  font-weight:200;
  font-size:clamp(32px,5.6vw,72px);
  line-height:1.1;
  letter-spacing:.02em;
  color:var(--lr-white);
  max-width:16em;
}

.page-faq .faq-hero__title-mark{
  display:inline-block;
  position:relative;
  color:var(--lr-cyan);
  transform:skew(-3deg);
}

.page-faq .faq-hero__title-mark::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-6px;
  height:2px;
  background:linear-gradient(90deg, var(--lr-cyan), rgba(139,92,255,.2));
}

.page-faq .faq-hero__lede{
  margin:clamp(20px,2.6vw,30px) 0 0;
  max-width:60ch;
  font-size:15.5px;
  line-height:1.75;
  color:var(--lr-mist);
}

.page-faq .faq-hero__links{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:clamp(22px,2.8vw,32px) 0 0;
  padding:0;
}

.page-faq .faq-hero__link{
  display:inline-flex;
  align-items:center;
  text-decoration:none;
  font-size:12.5px;
  letter-spacing:.06em;
}

.page-faq .faq-hero__banner{
  position:relative;
  margin:0;
  border-top:1px solid var(--lr-line);
  border-bottom:1px solid var(--lr-line);
}

.page-faq .faq-hero__banner img{
  display:block;
  width:100%;
  height:clamp(140px,22vw,290px);
  object-fit:cover;
  max-width:100%;
  opacity:.74;
  filter:saturate(1.18);
}

.page-faq .faq-hero__banner::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:38%;
  height:2px;
  background:linear-gradient(90deg, transparent, var(--lr-cyan), transparent);
  animation:faq-scan 5.6s ease-in-out infinite;
  pointer-events:none;
}

@keyframes faq-scan{
  0%{ transform:translateX(-30%); opacity:.25; }
  50%{ opacity:.95; }
  100%{ transform:translateX(230%); opacity:.25; }
}

/* ---------- 双栏骨架 ---------- */
.page-faq .faq-shell{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(20px,3vw,34px);
  padding-top:clamp(30px,4.4vw,56px);
}

/* ---------- 锚点栏 ---------- */
.page-faq .faq-rail{
  position:relative;
  align-self:start;
  padding:16px 14px;
  border:1px solid var(--lr-line);
  background:linear-gradient(180deg, rgba(19,26,56,.92), rgba(10,14,34,.9));
  box-shadow:inset 0 1px 0 rgba(53,230,255,.14);
}

.page-faq .faq-rail__kicker{
  margin:0 0 12px;
  font-family:var(--lr-font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lr-cyan);
}

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

.page-faq .faq-rail__list > li{ flex:0 0 auto; }

.page-faq .faq-rail__link{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  white-space:nowrap;
  font-size:13px;
  line-height:1.4;
  text-decoration:none;
  color:var(--lr-mist);
  border:1px solid var(--lr-line-soft);
  background:rgba(10,14,34,.6);
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}

.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible{
  color:var(--lr-cyan);
  border-color:var(--lr-cyan);
  background:rgba(53,230,255,.08);
}

.page-faq .faq-rail__num{
  font-family:var(--lr-font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--lr-cyan);
  opacity:.8;
}

.page-faq .faq-rail__note{
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px dashed rgba(154,166,200,.24);
  font-size:12.5px;
  line-height:1.7;
  color:var(--lr-mist);
}

.page-faq .faq-rail__note a{
  color:var(--lr-cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(53,230,255,.45);
}

.page-faq .faq-rail__note a:hover{ border-bottom-color:var(--lr-cyan); }

/* ---------- 问答分组 ---------- */
.page-faq .faq-body{ min-width:0; }

.page-faq .faq-group{
  position:relative;
  margin-bottom:clamp(18px,2.6vw,30px);
  padding:clamp(18px,2.4vw,28px);
  border:1px solid var(--lr-line-soft);
  border-left-width:3px;
  border-left-color:var(--faq-tone);
  background:linear-gradient(180deg, rgba(19,26,56,.78), rgba(10,14,34,.88));
  scroll-margin-top:var(--faq-sticky);
  transition:box-shadow .3s ease, border-color .3s ease;
}

.page-faq .faq-group[data-tone="cyan"]{ --faq-tone:var(--lr-cyan); }
.page-faq .faq-group[data-tone="violet"]{ --faq-tone:var(--lr-violet); }
.page-faq .faq-group[data-tone="alert"]{ --faq-tone:var(--lr-alert); }
.page-faq .faq-group[data-tone="pulse"]{ --faq-tone:var(--lr-pulse); }

.page-faq .faq-group::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:5px;
  height:5px;
  background:var(--faq-tone);
}

.page-faq .faq-group:target{
  border-color:var(--faq-tone);
  box-shadow:0 0 0 1px var(--faq-tone), 0 24px 56px -32px rgba(53,230,255,.8);
}

.page-faq .faq-group__head{
  display:flex;
  align-items:baseline;
  gap:14px;
  flex-wrap:wrap;
  margin:0 0 10px;
}

.page-faq .faq-group__num{
  font-family:var(--lr-font-mono);
  font-size:clamp(26px,3.4vw,42px);
  font-weight:700;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px var(--faq-tone);
  letter-spacing:-.02em;
}

.page-faq .faq-group__title{
  margin:0;
  font-family:var(--lr-font-display);
  font-size:clamp(20px,2.6vw,28px);
  font-weight:700;
  letter-spacing:.01em;
  line-height:1.2;
  color:var(--lr-white);
  transform:skew(-2deg);
}

.page-faq .faq-group__lead{
  margin:0 0 16px;
  padding-bottom:14px;
  border-bottom:1px dashed rgba(154,166,200,.24);
  font-size:13.5px;
  line-height:1.7;
  color:var(--lr-mist);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-item{
  border-top:1px solid rgba(154,166,200,.14);
}

.page-faq .faq-item:first-of-type{ border-top:0; }

.page-faq .faq-item__q{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:12px;
  align-items:start;
  padding:15px 2px;
  cursor:pointer;
  list-style:none;
  font-size:14.5px;
  line-height:1.55;
  font-weight:600;
  color:var(--lr-white);
  transition:color .2s ease;
}

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

.page-faq .faq-item__q:hover,
.page-faq .faq-item__q:focus-visible{ color:var(--faq-tone); }

.page-faq .faq-item[open] > .faq-item__q{ color:var(--faq-tone); }

.page-faq .faq-item__id{
  flex:none;
  min-width:30px;
  padding-top:3px;
  font-family:var(--lr-font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--faq-tone);
  opacity:.85;
}

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

.page-faq .faq-item__mark{
  position:relative;
  flex:none;
  width:14px;
  height:14px;
  margin-top:5px;
}

.page-faq .faq-item__mark::before,
.page-faq .faq-item__mark::after{
  content:"";
  position:absolute;
  background:var(--faq-tone);
  transition:transform .28s ease, opacity .28s ease;
}

.page-faq .faq-item__mark::before{ left:0; top:6px; width:14px; height:2px; }
.page-faq .faq-item__mark::after{ left:6px; top:0; width:2px; height:14px; }

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

.page-faq .faq-item__a{
  margin:0 0 16px;
  padding:2px 2px 2px 16px;
  border-left:2px solid var(--faq-tone);
  color:var(--lr-mist);
  font-size:14px;
  line-height:1.78;
  animation:faq-drop .3s ease both;
}

.page-faq .faq-item__a p{ margin:0 0 9px; }
.page-faq .faq-item__a p:last-child{ margin-bottom:0; }

.page-faq .faq-item__a a{
  color:var(--lr-cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(53,230,255,.45);
}

.page-faq .faq-item__a a:hover{ border-bottom-color:var(--lr-cyan); }

@keyframes faq-drop{
  from{ opacity:0; transform:translateY(-6px); }
  to{ opacity:1; transform:none; }
}

/* ---------- 回放导出配图 ---------- */
.page-faq .faq-replay__media{
  margin:0 0 18px;
  max-width:520px;
}

.page-faq .faq-replay__media .lr-figure__media{
  border:1px solid var(--lr-line);
  box-shadow:var(--lr-glow);
  overflow:hidden;
}

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

.page-faq .faq-replay__media .lr-figure__caption{
  margin-top:8px;
  font-family:var(--lr-font-mono);
  font-size:11px;
  letter-spacing:.06em;
  line-height:1.6;
  color:var(--lr-mist);
}

/* ---------- 客服通道 ---------- */
.page-faq .faq-contact{
  margin-top:20px;
  padding:clamp(16px,2.2vw,22px);
  border:1px solid var(--lr-pulse);
  border-left-width:3px;
  background:linear-gradient(135deg, rgba(255,86,48,.12), rgba(10,14,34,.92) 58%);
}

.page-faq .faq-contact__kicker{
  margin:0 0 14px;
  font-family:var(--lr-font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lr-pulse);
}

.page-faq .faq-contact__row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 14px;
  padding:11px 0;
  border-top:1px dashed rgba(154,166,200,.22);
}

.page-faq .faq-contact__row:first-of-type{ border-top:0; padding-top:0; }

.page-faq .faq-contact__label{
  flex:0 0 auto;
  min-width:64px;
  font-family:var(--lr-font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--lr-mist);
}

.page-faq .faq-contact__value{
  flex:1 1 220px;
  min-width:0;
  font-family:var(--lr-font-mono);
  font-size:14px;
  letter-spacing:.02em;
  color:var(--lr-white);
  word-break:break-all;
}

.page-faq .faq-contact__copy{
  flex:0 0 auto;
  font-size:12px;
  letter-spacing:.08em;
}

.page-faq .faq-contact__note{
  margin:14px 0 0;
  padding-top:12px;
  border-top:1px dashed rgba(154,166,200,.22);
  font-size:13px;
  line-height:1.75;
  color:var(--lr-mist);
}

.page-faq .faq-contact__note a{
  color:var(--lr-cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(53,230,255,.45);
}

.page-faq .faq-contact__note a:hover{ border-bottom-color:var(--lr-cyan); }

/* ---------- 桌面端 ---------- */
@media (min-width:980px){
  .page-faq .faq-shell{
    grid-template-columns:var(--faq-rail-w) minmax(0,1fr);
    align-items:start;
  }

  .page-faq .faq-rail{
    position:sticky;
    top:var(--faq-sticky);
    padding:20px 18px;
  }

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

  .page-faq .faq-rail__list > li{ flex:none; }

  .page-faq .faq-rail__link{
    border:0;
    border-left:2px solid transparent;
    background:transparent;
    padding:9px 10px;
    white-space:normal;
  }

  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible{
    border-color:var(--lr-cyan);
    background:rgba(53,230,255,.07);
  }

  .page-faq:has(#faq-account:target) .faq-rail__link[href="#faq-account"],
  .page-faq:has(#faq-rank:target) .faq-rail__link[href="#faq-rank"],
  .page-faq:has(#faq-change:target) .faq-rail__link[href="#faq-change"],
  .page-faq:has(#faq-replay:target) .faq-rail__link[href="#faq-replay"],
  .page-faq:has(#faq-subscribe:target) .faq-rail__link[href="#faq-subscribe"],
  .page-faq:has(#faq-service:target) .faq-rail__link[href="#faq-service"]{
    color:var(--lr-cyan);
    border-color:var(--lr-cyan);
    background:rgba(53,230,255,.09);
  }
}

@media (min-width:1280px){
  .page-faq .faq-group{ padding:32px 34px; }
  .page-faq .faq-item__q{ font-size:15px; }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .faq-hero__banner::after{ animation:none; }
  .page-faq .faq-item__a{ animation:none; }
  .page-faq .faq-item__mark::before,
  .page-faq .faq-item__mark::after{ transition:none; }
  .page-faq .faq-group{ transition:none; }
}