/* ===== 看台答疑 · 页面级样式 ===== */
.page-faq{
  --faq-hair:rgba(232,241,236,.10);
  --faq-hair-strong:rgba(232,241,236,.20);
  --faq-answer:#D6E6DE;
  padding-bottom:clamp(64px,8vw,110px);
}

/* ---- 首屏框景 ---- */
.page-faq .faq-hero{
  padding:clamp(18px,3vw,30px) 0 clamp(32px,5vw,58px);
}
.page-faq .faq-hero__frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--hair-strong);
  border-radius:var(--radius);
  padding:clamp(26px,4.4vw,60px);
  background:
    radial-gradient(130% 150% at 92% -12%,rgba(53,227,196,.16),transparent 60%),
    radial-gradient(90% 120% at 4% 112%,rgba(240,164,74,.10),transparent 62%),
    linear-gradient(158deg,rgba(11,31,26,.94),rgba(6,17,15,.97));
}
.page-faq .faq-hero__frame::before,
.page-faq .faq-hero__frame::after{
  content:"";
  position:absolute;
  width:58px;
  height:58px;
  pointer-events:none;
}
.page-faq .faq-hero__frame::before{
  top:-1px;
  left:-1px;
  border-top:2px solid var(--cyan);
  border-left:2px solid var(--cyan);
  border-top-left-radius:var(--radius);
}
.page-faq .faq-hero__frame::after{
  right:-1px;
  bottom:-1px;
  border-right:2px solid var(--orange);
  border-bottom:2px solid var(--orange);
  border-bottom-right-radius:var(--radius);
}
.page-faq .faq-kicker{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  letter-spacing:.14em;
  color:var(--cyan);
  text-transform:uppercase;
}
.page-faq .faq-h1{
  margin:0;
  max-width:22ch;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(28px,4.6vw,50px);
  line-height:1.15;
  letter-spacing:.005em;
  color:var(--paper);
}
.page-faq .faq-lede{
  margin:18px 0 0;
  max-width:60ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;
  color:var(--muted);
}
.page-faq .faq-chips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:26px 0 0;
  padding:0;
  list-style:none;
}
.page-faq .faq-chips a{
  display:inline-block;
  padding:7px 13px;
  border:1px solid var(--hair-strong);
  border-radius:999px;
  background:rgba(18,49,42,.5);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.09em;
  color:var(--paper);
  text-decoration:none;
  transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);
}
.page-faq .faq-chips a:hover,
.page-faq .faq-chips a:focus-visible{
  border-color:var(--cyan);
  color:var(--cyan);
  background:rgba(53,227,196,.10);
}

/* ---- 两栏主体 ---- */
.page-faq .faq-body{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(32px,5vw,56px);
}
@media (min-width:980px){
  .page-faq .faq-body{
    grid-template-columns:236px minmax(0,1fr);
  }
}

/* ---- 左侧目录 ---- */
.page-faq .faq-index{
  padding:20px 18px;
  border-radius:var(--radius);
}
@media (min-width:980px){
  .page-faq .faq-index{
    position:sticky;
    top:calc(var(--header-h) + 26px);
    align-self:start;
  }
}
.page-faq .faq-index__title{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:var(--fs-12);
  letter-spacing:.14em;
  color:var(--muted);
}
.page-faq .spy-nav{
  display:flex;
  flex-direction:column;
  gap:2px;
}
.page-faq .faq-index__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:9px 10px;
  border-left:2px solid transparent;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:var(--fs-14);
  line-height:1.4;
  color:var(--muted);
  text-decoration:none;
  transition:color .16s var(--ease),border-color .16s var(--ease),background .16s var(--ease);
}
.page-faq .faq-index__link .spy-no{
  font-family:var(--font-data);
  font-size:15px;
  font-weight:700;
  color:var(--orange);
  opacity:.65;
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible{
  color:var(--paper);
  background:rgba(53,227,196,.07);
}
.page-faq .faq-index__link.is-current{
  color:var(--cyan);
  border-left-color:var(--cyan);
  background:rgba(53,227,196,.09);
}
.page-faq .faq-index__link.is-current .spy-no{
  color:var(--cyan);
  opacity:1;
}
.page-faq .faq-index__foot{
  margin:18px 0 0;
  padding-top:14px;
  border-top:1px solid var(--hair);
  font-size:var(--fs-12);
  line-height:1.7;
  color:var(--muted);
}

/* ---- 分组节奏 ---- */
.page-faq .faq-group{
  scroll-margin-top:calc(var(--header-h) + 28px);
}
.page-faq .faq-group + .faq-group{
  margin-top:clamp(44px,6vw,72px);
  padding-top:clamp(32px,4vw,48px);
  border-top:1px solid var(--hair);
}
.page-faq .faq-group-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:20px;
}
.page-faq .faq-group-no{
  font-family:var(--font-data);
  font-size:clamp(34px,5vw,52px);
  font-weight:700;
  line-height:1;
  letter-spacing:-.01em;
  color:var(--orange);
}
.page-faq .faq-group-title{
  margin:0;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(21px,2.8vw,30px);
  line-height:1.25;
  color:var(--paper);
}

/* ---- 配图 ---- */
.page-faq .faq-figure{
  margin:0 0 clamp(20px,3vw,30px);
  border:1px solid var(--hair);
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--ink-2);
}
.page-faq .faq-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}
.page-faq .faq-cap{
  padding:11px 16px;
  border-top:1px solid var(--hair);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  line-height:1.6;
  color:var(--muted);
}

/* ---- 档案卡式问答 ---- */
.page-faq .faq-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.page-faq .faq-card{
  border:1px solid var(--faq-hair);
  border-radius:var(--radius-sm);
  background:linear-gradient(180deg,rgba(11,31,26,.78),rgba(6,17,15,.60));
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.page-faq .faq-card:hover{
  border-color:var(--hair-strong);
}
.page-faq .faq-card[open]{
  border-color:rgba(53,227,196,.34);
  background:linear-gradient(180deg,rgba(18,49,42,.66),rgba(6,17,15,.62));
}
.page-faq .faq-card summary{
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:baseline;
  gap:12px;
  padding:16px 18px;
  cursor:pointer;
  list-style:none;
}
.page-faq .faq-card summary::-webkit-details-marker{
  display:none;
}
.page-faq .faq-card summary::after{
  content:"+";
  justify-self:end;
  align-self:center;
  font-family:var(--font-mono);
  font-size:17px;
  line-height:1;
  color:var(--cyan);
}
.page-faq .faq-card[open] summary::after{
  content:"–";
}
.page-faq .faq-card summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}
.page-faq .faq-no{
  padding-top:4px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--orange);
}
.page-faq .faq-q{
  margin:0;
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(16px,1.9vw,19px);
  line-height:1.5;
  color:var(--paper);
}
.page-faq .faq-a{
  padding:0 18px 18px 18px;
}
.page-faq .faq-a p{
  margin:0;
  padding:12px 0 0 14px;
  border-left:2px solid rgba(53,227,196,.55);
  font-size:var(--fs-17);
  line-height:1.8;
  color:var(--faq-answer);
}
@media (max-width:520px){
  .page-faq .faq-card summary{
    grid-template-columns:auto minmax(0,1fr);
    gap:10px;
  }
  .page-faq .faq-card summary::after{
    display:none;
  }
  .page-faq .faq-a{
    padding:0 16px 16px 16px;
  }
}