.page-faq{
  --faq-board-bg:linear-gradient(165deg,rgba(13,36,32,.95) 0%,rgba(7,17,15,.98) 100%);
  --faq-tile-bg:rgba(23,26,28,.62);
  padding-bottom:clamp(3rem,6vw,5rem);
  color:var(--bone);
  font-family:var(--font-body);
}

.page-faq .breadcrumb{
  padding-top:clamp(1rem,2.5vw,1.75rem);
}
.page-faq .breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  list-style:none;
  margin:0;
  padding:0;
  font-size:.78rem;
  letter-spacing:.04em;
  color:var(--muted);
}
.page-faq .breadcrumb-list > li{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
}
.page-faq .breadcrumb-list > li + li::before{
  content:"/";
  color:var(--line);
}
.page-faq .breadcrumb-link{
  color:var(--muted);
  text-decoration:none;
}
.page-faq .breadcrumb-link:hover,
.page-faq .breadcrumb-link:focus-visible{
  color:var(--cyan);
}
.page-faq .breadcrumb-current{
  color:var(--bone);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  display:grid;
  gap:1rem;
  padding:clamp(1.25rem,3.5vw,2.5rem) 0 clamp(1rem,2.5vw,1.5rem);
  border-bottom:1px solid var(--line-soft);
}
.page-faq .faq-hero__lead{
  max-width:62ch;
}
.page-faq .faq-hero h1{
  margin:.5rem 0 0;
  letter-spacing:-.02em;
  line-height:1.06;
  max-width:20ch;
}
.page-faq .faq-hero .lede{
  margin:1rem 0 0;
  color:var(--muted);
  font-size:.98rem;
  line-height:1.85;
  max-width:56ch;
}
.page-faq .faq-rot{
  display:none;
  align-self:end;
  color:var(--muted);
}
@media (min-width:900px){
  .page-faq .faq-hero{
    grid-template-columns:minmax(0,1fr) auto;
    align-items:end;
    gap:2rem;
  }
  .page-faq .faq-rot{
    display:block;
    font-family:var(--font-num);
    font-size:.7rem;
    letter-spacing:.28em;
    text-transform:uppercase;
    padding-bottom:.5rem;
  }
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout{
  display:grid;
  gap:clamp(1rem,2.5vw,1.75rem);
  align-items:start;
  margin-top:clamp(1.25rem,3vw,2rem);
}
.page-faq .faq-rail{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:.6rem;
}
.page-faq .faq-rail__label{
  margin:0;
  font-family:var(--font-num);
  font-size:.68rem;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted);
}
.page-faq .faq-tabs-list{
  display:flex;
  gap:.5rem;
  margin:0;
  padding:0 0 .35rem;
  list-style:none;
  overflow-x:auto;
  scrollbar-width:thin;
  -webkit-overflow-scrolling:touch;
}
.page-faq .faq-tabs-list::-webkit-scrollbar{
  height:4px;
}
.page-faq .faq-tabs-list::-webkit-scrollbar-thumb{
  background:var(--line);
  border-radius:var(--pill);
}
.page-faq .faq-tab{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  padding:.6rem 1.05rem;
  border:1px solid var(--line);
  border-radius:var(--pill);
  background:var(--faq-tile-bg);
  color:var(--muted);
  font-family:inherit;
  font-size:.88rem;
  line-height:1.2;
  white-space:nowrap;
  cursor:pointer;
  transition:border-color .22s ease,color .22s ease,background .22s ease;
}
.page-faq .faq-tab:hover{
  border-color:var(--line-cyan);
  color:var(--bone);
}
.page-faq .faq-tab:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.page-faq .faq-tab__num{
  font-family:var(--font-num);
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--muted);
}
.page-faq .faq-tab[aria-selected="true"]{
  border-color:var(--line-cyan);
  color:var(--bone);
  background:linear-gradient(135deg,rgba(53,242,208,.16),rgba(27,107,94,.22));
  box-shadow:inset 0 0 0 1px rgba(53,242,208,.18);
}
.page-faq .faq-tab[aria-selected="true"] .faq-tab__num{
  color:var(--cyan);
}

@media (min-width:920px){
  .page-faq .faq-layout{
    grid-template-columns:236px minmax(0,1fr);
    gap:clamp(1.5rem,3vw,2.5rem);
  }
  .page-faq .faq-rail{
    position:sticky;
    top:104px;
  }
  .page-faq .faq-tabs-list{
    flex-direction:column;
    overflow:visible;
    padding-bottom:0;
  }
  .page-faq .faq-tab{
    width:100%;
    justify-content:flex-start;
    white-space:normal;
    text-align:left;
    border-radius:var(--r-md);
    padding:.75rem 1rem;
  }
}

/* ---------- 问答研究板 ---------- */
.page-faq .faq-main{
  min-width:0;
}
.page-faq .faq-board{
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  background:var(--faq-board-bg);
  overflow:hidden;
  box-shadow:0 32px 70px -50px rgba(0,0,0,.95);
}
.page-faq .faq-board__media{
  position:relative;
  margin:0;
  border-bottom:1px solid var(--line-soft);
  overflow:hidden;
}
.page-faq .faq-board__media img{
  display:block;
  width:100%;
  height:clamp(130px,22vw,210px);
  object-fit:cover;
  filter:saturate(.92) contrast(1.05);
}
.page-faq .faq-board__media::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(7,17,15,.05) 0%,rgba(7,17,15,.78) 100%);
}
.page-faq .faq-board__tag{
  position:absolute;
  left:clamp(1rem,3vw,1.65rem);
  bottom:.9rem;
  z-index:1;
  font-family:var(--font-num);
  font-size:.7rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
}

.page-faq .faq-panels{
  padding:clamp(1rem,3vw,1.9rem);
}
.page-faq .faq-panels > .tab-panel{
  display:block;
}
.page-faq .faq-panels > .tab-panel[hidden]{
  display:none !important;
}
.page-faq .faq-panels:has(> .tab-panel.is-active) > .tab-panel{
  display:none;
}
.page-faq .faq-panels:has(> .tab-panel.is-active) > .tab-panel.is-active{
  display:block;
}
.page-faq .faq-panel:focus-visible{
  outline:2px solid var(--line-cyan);
  outline-offset:4px;
  border-radius:var(--r-sm);
}
.page-faq .faq-panel h2{
  margin:0;
  color:var(--bone);
}
.page-faq .faq-panel__intro{
  margin:.35rem 0 1.1rem;
  color:var(--muted);
  font-size:.92rem;
  line-height:1.8;
  max-width:56ch;
}

/* ---------- 手风琴 ---------- */
.page-faq .faq-q{
  border-top:1px solid var(--line-soft);
}
.page-faq .faq-q:first-of-type{
  border-top:1px solid var(--line);
}
.page-faq .faq-q__head{
  display:flex;
  align-items:flex-start;
  gap:.7rem;
  padding:.95rem .15rem;
  cursor:pointer;
  list-style:none;
  color:var(--bone);
}
.page-faq .faq-q__head::-webkit-details-marker{
  display:none;
}
.page-faq .faq-q__head:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:var(--r-sm);
}
.page-faq .faq-q__num{
  flex:0 0 auto;
  padding-top:.2rem;
  font-family:var(--font-num);
  font-size:.76rem;
  letter-spacing:.06em;
  color:var(--cyan);
}
.page-faq .faq-q__title{
  flex:1 1 auto;
  font-size:.98rem;
  font-weight:600;
  line-height:1.6;
}
.page-faq .faq-q__sign{
  position:relative;
  flex:0 0 auto;
  width:22px;
  height:22px;
  margin-top:.12rem;
  border:1px solid var(--line);
  border-radius:var(--pill);
  transition:border-color .22s ease;
}
.page-faq .faq-q__sign::before,
.page-faq .faq-q__sign::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--cyan);
  transform:translate(-50%,-50%);
}
.page-faq .faq-q__sign::before{
  width:9px;
  height:1.5px;
}
.page-faq .faq-q__sign::after{
  width:1.5px;
  height:9px;
  transition:opacity .2s ease;
}
.page-faq .faq-q:hover .faq-q__sign{
  border-color:var(--line-cyan);
}
.page-faq .faq-q[open] .faq-q__sign{
  border-color:var(--line-cyan);
}
.page-faq .faq-q[open] .faq-q__sign::after{
  opacity:0;
}
.page-faq .faq-q__body{
  padding:.1rem 1.6rem 1.15rem 2.35rem;
  color:var(--muted);
  font-size:.92rem;
  line-height:1.85;
}
.page-faq .faq-q__body p{
  margin:0 0 .55rem;
}
.page-faq .faq-q__body p:last-child{
  margin-bottom:0;
}
.page-faq .faq-q__body ul{
  margin:.2rem 0 .6rem;
  padding-left:1.05rem;
}
.page-faq .faq-q__body li{
  margin-bottom:.3rem;
}
.page-faq .faq-q__body li::marker{
  color:var(--cyan);
}
.page-faq .faq-q__body a{
  color:var(--cyan);
  text-decoration:underline;
  text-decoration-color:var(--line-cyan);
  text-underline-offset:3px;
}

/* ---------- 提示带 ---------- */
.page-faq .faq-tipstrip{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.7rem 1rem;
  margin-top:clamp(1.25rem,3vw,2rem);
  padding:1rem clamp(1rem,3vw,1.6rem);
  border:1px solid var(--line-cyan);
  border-radius:var(--r-md);
  background:linear-gradient(100deg,rgba(53,242,208,.11),rgba(255,179,71,.07));
}
.page-faq .faq-tipstrip p{
  margin:0;
  flex:1 1 240px;
  font-size:.9rem;
  line-height:1.75;
  color:var(--bone);
}
.page-faq .faq-tipstrip a{
  color:var(--amber);
  text-decoration:underline;
  text-underline-offset:3px;
}

/* ---------- 订阅与通知 ---------- */
.page-faq .faq-sub{
  margin-top:clamp(1.75rem,4vw,3rem);
  padding:clamp(1.25rem,3.5vw,2.25rem);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  background:linear-gradient(140deg,rgba(13,36,32,.92),rgba(7,17,15,.97));
}
.page-faq .faq-sub__head{
  max-width:60ch;
}
.page-faq .faq-sub__head h2{
  margin:.4rem 0 0;
}
.page-faq .faq-sub__head p{
  margin:.9rem 0 0;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.85;
}
.page-faq .faq-stats{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:.75rem;
  margin:1.5rem 0 0;
  padding:0;
  list-style:none;
}
.page-faq .faq-stat{
  padding:.85rem 1rem;
  border:1px solid var(--line-soft);
  border-radius:var(--r-sm);
  background:var(--faq-tile-bg);
  display:flex;
  flex-direction:column;
  gap:.3rem;
}
.page-faq .faq-stat__num{
  font-family:var(--font-num);
  font-size:1.65rem;
  font-weight:700;
  line-height:1.1;
  color:var(--cyan);
  letter-spacing:-.01em;
}
.page-faq .faq-stat__num.trend-up{
  color:var(--amber);
}
.page-faq .faq-stat__label{
  font-size:.74rem;
  letter-spacing:.12em;
  color:var(--muted);
}
@media (min-width:700px){
  .page-faq .faq-stats{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}

/* ---------- 设备与刷新 ---------- */
.page-faq .faq-device{
  display:grid;
  gap:1.25rem;
  margin-top:clamp(1.75rem,4vw,3rem);
}
.page-faq .faq-device__media{
  margin:0;
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--green);
}
.page-faq .faq-device__media img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-faq .faq-device__media figcaption{
  padding:.7rem 1rem;
  font-size:.76rem;
  line-height:1.6;
  color:var(--muted);
  border-top:1px solid var(--line-soft);
}
.page-faq .faq-device__body h2{
  margin:.4rem 0 0;
}
.page-faq .faq-device__body > p{
  margin:.9rem 0 0;
  color:var(--muted);
  font-size:.94rem;
  line-height:1.85;
}
.page-faq .faq-device__list{
  margin:1.1rem 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:.6rem;
}
.page-faq .faq-device__list li{
  position:relative;
  padding-left:1.1rem;
  font-size:.9rem;
  line-height:1.75;
  color:var(--muted);
}
.page-faq .faq-device__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62rem;
  width:6px;
  height:6px;
  border-radius:var(--pill);
  background:var(--cyan);
}
.page-faq .faq-device__list strong{
  color:var(--bone);
  font-weight:600;
}
@media (min-width:880px){
  .page-faq .faq-device{
    grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
    align-items:center;
    gap:clamp(1.5rem,4vw,3rem);
  }
  .page-faq .faq-device__media{
    order:2;
  }
}

/* ---------- 准备清单 ---------- */
.page-faq .faq-prep{
  display:grid;
  gap:1.5rem;
  margin-top:clamp(1.75rem,4vw,3rem);
}
.page-faq .faq-prep__list h2{
  margin:.4rem 0 0;
}
.page-faq .faq-prep__intro{
  margin:.8rem 0 0;
  color:var(--muted);
  font-size:.92rem;
  line-height:1.8;
  max-width:48ch;
}
.page-faq .faq-checklist{
  margin:1.25rem 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:.55rem;
}
.page-faq .faq-check{
  display:flex;
  align-items:flex-start;
  gap:.7rem;
  padding:.7rem .9rem;
  border:1px solid var(--line-soft);
  border-radius:var(--r-sm);
  background:var(--faq-tile-bg);
  cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.page-faq .faq-check:hover{
  border-color:var(--line);
}
.page-faq .faq-check input{
  appearance:none;
  -webkit-appearance:none;
  flex:0 0 auto;
  width:18px;
  height:18px;
  margin:.15rem 0 0;
  display:grid;
  place-content:center;
  border:1px solid var(--line);
  border-radius:5px;
  background:transparent;
  cursor:pointer;
  transition:background .2s ease,border-color .2s ease;
}
.page-faq .faq-check input:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.page-faq .faq-check input::before{
  content:"";
  width:9px;
  height:5px;
  border-left:2px solid var(--ink);
  border-bottom:2px solid var(--ink);
  transform:rotate(-45deg) scale(0);
  transition:transform .16s ease;
}
.page-faq .faq-check input:checked{
  background:var(--cyan);
  border-color:var(--cyan);
}
.page-faq .faq-check input:checked::before{
  transform:rotate(-45deg) scale(1);
}
.page-faq .faq-check span{
  font-size:.9rem;
  line-height:1.72;
  color:var(--muted);
  transition:color .2s ease;
}
.page-faq .faq-check:has(input:checked){
  border-color:var(--line-cyan);
  background:rgba(53,242,208,.08);
}
.page-faq .faq-check:has(input:checked) span{
  color:var(--bone);
}

.page-faq .faq-contact{
  align-self:start;
  padding:clamp(1.15rem,3vw,1.75rem);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(27,107,94,.38),rgba(10,31,27,.92));
  box-shadow:var(--float-shadow);
}
.page-faq .faq-contact__title{
  margin:0 0 1rem;
  font-family:var(--font-num);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--cyan);
}
.page-faq .faq-contact__row{
  display:flex;
  flex-direction:column;
  gap:.25rem;
  padding:.7rem 0;
  border-top:1px solid var(--line-soft);
}
.page-faq .faq-contact__row:first-of-type{
  border-top:0;
  padding-top:0;
}
.page-faq .faq-contact__label{
  font-size:.72rem;
  letter-spacing:.14em;
  color:var(--muted);
}
.page-faq .faq-contact__value{
  font-size:.9rem;
  line-height:1.7;
  color:var(--bone);
}
.page-faq .faq-copy{
  display:inline-flex;
  align-items:center;
  max-width:100%;
  padding:.42rem .8rem;
  border:1px dashed var(--line-cyan);
  border-radius:var(--pill);
  background:transparent;
  color:var(--cyan);
  font-family:var(--font-num);
  font-size:.8rem;
  line-height:1.4;
  text-align:left;
  word-break:break-all;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.page-faq .faq-copy:hover{
  border-color:var(--amber);
  color:var(--amber);
}
.page-faq .faq-copy:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.page-faq .faq-copy.is-copied{
  border-color:var(--amber);
  color:var(--amber);
}
.page-faq .faq-contact__note{
  margin:1rem 0 1.1rem;
  font-size:.8rem;
  line-height:1.7;
  color:var(--muted);
}
.page-faq .faq-contact .btn{
  width:100%;
  justify-content:center;
}
@media (min-width:880px){
  .page-faq .faq-prep{
    grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
    gap:clamp(1.5rem,4vw,3rem);
  }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .faq-tab,
  .page-faq .faq-q__sign,
  .page-faq .faq-q__sign::after,
  .page-faq .faq-check,
  .page-faq .faq-check input,
  .page-faq .faq-check input::before,
  .page-faq .faq-check span,
  .page-faq .faq-copy{
    transition:none;
  }
}
<<<PAGE_CSS_END>>>
</main>