.page-faq{
  --faq-line:rgba(11,30,45,.13);
  --faq-line-inv:rgba(143,163,176,.24);
  --faq-soft:rgba(11,30,45,.78);
  --faq-rise:0.55s;
  display:block;
  background:var(--fx-white);
  color:var(--fx-ink);
  font-family:var(--fx-sans);
}
.page-faq *,
.page-faq *::before,
.page-faq *::after{box-sizing:border-box;}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  overflow:hidden;
  background:var(--fx-ink);
  color:var(--fx-white);
  padding:clamp(18px,4vw,34px) 0 clamp(38px,6vw,76px);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  right:-14%;
  bottom:-46%;
  width:min(640px,84vw);
  aspect-ratio:1;
  background:radial-gradient(circle at 32% 32%,rgba(232,74,42,.58),rgba(232,74,42,0) 68%);
  pointer-events:none;
}
.page-faq .faq-hero::after{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--fx-orange),var(--fx-gold) 42%,var(--fx-cyan));
}
.page-faq .faq-crumb{
  position:relative;
  z-index:1;
  margin-bottom:clamp(22px,4vw,44px);
  font-size:13px;
  letter-spacing:.05em;
}
.page-faq .faq-crumb a{
  color:var(--fx-white-soft);
  text-decoration:none;
  border-bottom:1px solid var(--fx-line-invert);
}
.page-faq .faq-crumb a:hover{color:var(--fx-orange-lite);border-color:var(--fx-orange-lite);}
.page-faq .faq-crumb li[aria-current="page"]{color:var(--fx-gold);}

.page-faq .faq-hero__grid{
  position:relative;
  z-index:1;
  display:grid;
  gap:clamp(26px,5vw,42px);
}
.page-faq .faq-hero__main{max-width:44ch;}
.page-faq .faq-hero .fx-eyebrow{color:var(--fx-orange-lite);}
.page-faq .faq-hero__title{
  margin:14px 0 0;
  color:var(--fx-white);
  font-size:clamp(29px,6vw,60px);
  line-height:1.03;
  letter-spacing:-.025em;
}
.page-faq .faq-hero__lead{
  margin-top:18px;
  color:var(--fx-white-soft);
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.88;
}
.page-faq .faq-hero__facts{
  position:relative;
  border-top:1px solid var(--fx-line-invert);
  padding-top:16px;
}
.page-faq .faq-annot-v{display:none;}
.page-faq .faq-facts{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px 18px;
}
.page-faq .faq-facts li{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding-bottom:10px;
  border-bottom:1px solid var(--fx-line-invert);
}
.page-faq .faq-facts__num{
  font-family:var(--fx-mono);
  font-size:clamp(17px,2.2vw,23px);
  color:var(--fx-gold);
  letter-spacing:.01em;
}
.page-faq .faq-facts__label{
  font-size:12.5px;
  color:var(--fx-slate);
  letter-spacing:.06em;
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-body{padding:clamp(38px,7vw,84px) 0;}
.page-faq .faq-layout{display:grid;gap:clamp(26px,5vw,52px);}

.page-faq .faq-index__label{
  margin:0;
  font-size:12px;
  letter-spacing:.22em;
  color:var(--fx-slate);
}
.page-faq .faq-index__list{
  list-style:none;
  margin:14px 0 0;
  padding:0 0 6px;
  display:flex;
  gap:8px;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
.page-faq .faq-index__list li{flex:none;}
.page-faq .faq-index__list a{
  display:flex;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  border:1px solid var(--faq-line);
  color:var(--fx-ink);
  text-decoration:none;
  font-size:13.5px;
  white-space:nowrap;
  background:transparent;
  transition:border-color .22s var(--fx-ease),color .22s var(--fx-ease),background-color .22s var(--fx-ease);
}
.page-faq .faq-index__list a .fx-num{
  font-family:var(--fx-mono);
  font-size:11.5px;
  color:var(--fx-teal);
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible{
  border-color:var(--fx-orange);
  color:var(--fx-orange);
  background:rgba(232,74,42,.06);
}
.page-faq .faq-index__list a:focus-visible{outline:2px solid var(--fx-cyan);outline-offset:2px;}
.page-faq .faq-index__note{
  margin:14px 0 0;
  font-size:12.5px;
  line-height:1.75;
}

/* ---------- 主题区块 ---------- */
.page-faq .faq-topic{
  padding-top:clamp(26px,4vw,42px);
  border-top:1px solid var(--faq-line);
}
.page-faq .faq-content > .faq-topic:first-child{padding-top:0;border-top:0;}
.page-faq .faq-topic + .faq-topic{margin-top:clamp(38px,6vw,72px);}
.page-faq .faq-topic__head{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:6px 16px;
  align-items:start;
}
.page-faq .faq-topic__no{
  font-family:var(--fx-mono);
  font-size:clamp(24px,3.6vw,40px);
  line-height:1;
  color:rgba(31,199,212,.55);
  letter-spacing:-.02em;
}
.page-faq .faq-topic__title{
  margin:0;
  font-size:clamp(22px,3.2vw,33px);
  line-height:1.16;
  letter-spacing:-.018em;
}
.page-faq .faq-topic__title::after{
  content:"";
  display:block;
  width:52px;
  height:3px;
  margin-top:12px;
  background:var(--fx-orange);
}
.page-faq .faq-topic__lead{
  margin:14px 0 0;
  max-width:64ch;
  color:var(--faq-soft);
  font-size:15px;
  line-height:1.88;
}
.page-faq .faq-topic__body{
  margin-top:clamp(20px,3vw,32px);
  display:grid;
  gap:clamp(20px,3vw,30px);
}
.page-faq .faq-topic__lead a,
.page-faq .faq-acc__panel a{
  color:var(--fx-orange);
  text-decoration:none;
  border-bottom:1px solid rgba(232,74,42,.38);
}
.page-faq .faq-topic__lead a:hover,
.page-faq .faq-acc__panel a:hover{color:var(--fx-teal);border-color:currentColor;}

/* ---------- 图片 ---------- */
.page-faq .faq-figure{
  margin:0;
  background:linear-gradient(155deg,var(--fx-ink-2),var(--fx-ink));
  border-left:3px solid var(--fx-orange);
  box-shadow:var(--fx-shadow);
}
.page-faq .faq-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}
.page-faq .faq-figure--portrait img{aspect-ratio:5 / 6;}
.page-faq .faq-figure--wide img{aspect-ratio:3 / 2;}
.page-faq .faq-figure figcaption{
  padding:11px 14px 13px;
  font-size:12.5px;
  line-height:1.72;
  color:var(--fx-slate);
  background:var(--fx-ink-2);
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-acc{border-top:1px solid var(--faq-line);}
.page-faq .faq-acc__item{border-bottom:1px solid var(--faq-line);}
.page-faq .faq-acc__heading{margin:0;font-size:inherit;font-weight:inherit;}
.page-faq .faq-acc__btn{
  position:relative;
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:17px 6px 17px 15px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  color:var(--fx-ink);
  font-family:inherit;
  font-size:clamp(15px,1.7vw,17px);
  font-weight:600;
  line-height:1.55;
  transition:color .22s var(--fx-ease),background-color .22s var(--fx-ease);
}
.page-faq .faq-acc__btn::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  background:transparent;
  transition:background-color .22s var(--fx-ease);
}
.page-faq .faq-acc__btn:hover{color:var(--fx-orange);background:rgba(31,199,212,.06);}
.page-faq .faq-acc__btn:focus-visible{outline:2px solid var(--fx-cyan);outline-offset:2px;}
.page-faq .faq-acc__btn[aria-expanded="true"]{color:var(--fx-orange);}
.page-faq .faq-acc__btn[aria-expanded="true"]::before{background:var(--fx-orange);}
.page-faq .faq-acc__q{display:flex;align-items:baseline;gap:12px;}
.page-faq .faq-acc__idx{
  flex:none;
  font-family:var(--fx-mono);
  font-size:12px;
  color:var(--fx-slate);
  letter-spacing:.02em;
}
.page-faq .faq-acc__btn[aria-expanded="true"] .faq-acc__idx{color:var(--fx-teal);}
.page-faq .faq-acc__icon{
  position:relative;
  flex:none;
  width:18px;
  height:18px;
  margin-top:3px;
}
.page-faq .faq-acc__icon::before,
.page-faq .faq-acc__icon::after{
  content:"";
  position:absolute;
  background:var(--fx-ink);
  transition:transform .25s var(--fx-ease),background-color .2s var(--fx-ease);
}
.page-faq .faq-acc__icon::before{left:0;top:8px;width:18px;height:2px;}
.page-faq .faq-acc__icon::after{left:8px;top:0;width:2px;height:18px;}
.page-faq .faq-acc__btn:hover .faq-acc__icon::before,
.page-faq .faq-acc__btn:hover .faq-acc__icon::after{background:var(--fx-orange);}
.page-faq .faq-acc__btn[aria-expanded="true"] .faq-acc__icon::before,
.page-faq .faq-acc__btn[aria-expanded="true"] .faq-acc__icon::after{background:var(--fx-orange);}
.page-faq .faq-acc__btn[aria-expanded="true"] .faq-acc__icon::after{transform:scaleY(0);}
.page-faq .faq-acc__panel{
  padding:0 6px 22px 15px;
  max-width:68ch;
}
.page-faq .faq-acc__panel[hidden]{display:none;}
.page-faq .faq-acc__panel p{
  margin:0;
  color:var(--faq-soft);
  font-size:14.5px;
  line-height:1.92;
}
.page-faq .faq-acc__panel p + p{margin-top:10px;}

/* ---------- 联系区块 ---------- */
.page-faq .faq-contact{
  position:relative;
  background:var(--fx-ink);
  color:var(--fx-white);
  border-top:3px solid var(--fx-orange);
}
.page-faq .faq-contact__grid{display:grid;gap:clamp(26px,4vw,46px);}
.page-faq .faq-contact__eyebrow{color:var(--fx-cyan);}
.page-faq .faq-contact__title{
  margin:14px 0 0;
  color:var(--fx-white);
  font-size:clamp(23px,3.4vw,37px);
  line-height:1.15;
  letter-spacing:-.018em;
}
.page-faq .faq-contact__note{
  margin:16px 0 0;
  max-width:54ch;
  color:var(--fx-white-soft);
  font-size:14.5px;
  line-height:1.9;
}
.page-faq .faq-contact__meta{
  list-style:none;
  margin:22px 0 0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 10px;
}
.page-faq .faq-chip{
  padding:6px 11px;
  border:1px solid var(--fx-line-invert);
  font-family:var(--fx-mono);
  font-size:12px;
  color:var(--fx-gold);
  letter-spacing:.03em;
}
.page-faq .faq-channels{
  list-style:none;
  margin:0;
  padding:1px;
  display:grid;
  gap:1px;
  background:var(--fx-line-invert);
  border:1px solid var(--fx-line-invert);
}
.page-faq .faq-channels li{
  display:grid;
  gap:7px;
  padding:16px 18px;
  background:var(--fx-ink-2);
}
.page-faq .faq-channels__label{
  font-size:11.5px;
  letter-spacing:.2em;
  color:var(--fx-cyan);
}
.page-faq .faq-channels__value{
  font-size:15.5px;
  line-height:1.6;
  color:var(--fx-white);
  word-break:break-word;
}
.page-faq .faq-channels__value a{
  color:var(--fx-white);
  text-decoration:none;
  border-bottom:1px solid var(--fx-line-invert);
}
.page-faq .faq-channels__value a:hover{color:var(--fx-orange-lite);border-color:var(--fx-orange-lite);}
.page-faq .faq-channels__hint{font-size:12.5px;line-height:1.7;color:var(--fx-slate);}

/* ---------- 滚动显现 ---------- */
.page-faq [data-reveal].is-visible{animation:faq-rise var(--faq-rise) var(--fx-ease) both;}
@keyframes faq-rise{
  from{opacity:0;transform:translateY(14px);}
  to{opacity:1;transform:none;}
}

/* ---------- 桌面断点 ---------- */
@media (min-width:900px){
  .page-faq .faq-hero{padding:clamp(22px,3vw,40px) 0 clamp(52px,6vw,86px);}
  .page-faq .faq-hero__grid{
    grid-template-columns:minmax(0,1.55fr) minmax(250px,.75fr);
    align-items:end;
    gap:clamp(36px,6vw,92px);
  }
  .page-faq .faq-hero__main{max-width:none;}
  .page-faq .faq-hero__facts{padding-left:26px;}
  .page-faq .faq-annot-v{
    display:block;
    position:absolute;
    left:-4px;
    top:6px;
    writing-mode:vertical-rl;
    font-size:10.5px;
    letter-spacing:.32em;
    color:var(--fx-slate);
  }
  .page-faq .faq-facts{grid-template-columns:1fr;}
  .page-faq .faq-contact__grid{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(40px,6vw,84px);}
}

@media (min-width:980px){
  .page-faq .faq-layout{
    grid-template-columns:246px minmax(0,1fr);
    gap:clamp(40px,6vw,80px);
    align-items:start;
  }
  .page-faq .faq-index{position:sticky;top:96px;}
  .page-faq .faq-index__list{
    flex-direction:column;
    gap:2px;
    overflow:visible;
    padding-bottom:0;
  }
  .page-faq .faq-index__list a{white-space:normal;}
  .page-faq .faq-topic__body{margin-top:clamp(24px,3vw,36px);}
  .page-faq .faq-topic--with-figure{
    grid-template-columns:minmax(0,268px) minmax(0,1fr);
    align-items:start;
  }
}

@media (min-width:1180px){
  .page-faq .faq-figure--portrait{position:sticky;top:96px;}
}

@media (prefers-reduced-motion:reduce){
  .page-faq [data-reveal].is-visible{animation:none;}
  .page-faq .faq-acc__btn,
  .page-faq .faq-acc__icon::before,
  .page-faq .faq-acc__icon::after,
  .page-faq .faq-index__list a{transition:none;}
}
<<<END>>>