.page-faq{
  --faq-radius:22px 6px 22px 6px;
  display:block;
  padding-bottom:clamp(48px,8vw,110px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  isolation:isolate;
  padding:clamp(94px,13vw,150px) 0 clamp(28px,4vw,48px);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  top:clamp(36px,8vw,88px);
  right:0;
  width:min(640px,78vw);
  height:min(300px,34vw);
  background:
    linear-gradient(150deg,rgba(43,243,200,.18),rgba(43,243,200,0) 58%),
    linear-gradient(150deg,rgba(255,90,43,.10),rgba(255,90,43,0) 70%);
  clip-path:polygon(22% 0,100% 0,100% 72%,0 100%);
  z-index:-1;
  pointer-events:none;
}
.page-faq .faq-hero__title{
  margin:clamp(14px,2vw,22px) 0 0;
  font-size:clamp(38px,7.4vw,90px);
  line-height:1;
  letter-spacing:-.02em;
  max-width:16ch;
}
.page-faq .faq-accent{
  color:var(--cyan);
  background-image:linear-gradient(90deg,rgba(43,243,200,.4),rgba(43,243,200,0));
  background-repeat:no-repeat;
  background-size:100% 2px;
  background-position:0 100%;
  padding-bottom:3px;
}
.page-faq .faq-hero__lede{
  margin-top:clamp(20px,2.6vw,30px);
  max-width:62ch;
  color:rgba(234,246,242,.82);
}
.page-faq .faq-hero__stats{
  margin-top:clamp(26px,3.4vw,42px);
  padding-top:clamp(18px,2.4vw,26px);
  border-top:1px solid var(--line-soft);
  display:flex;
  flex-wrap:wrap;
  gap:clamp(24px,4vw,64px);
}
.page-faq .faq-hero__stats .stat{
  display:flex;
  flex-direction:column;
  gap:5px;
}

/* ---------- 自检 ---------- */
.page-faq .faq-selfcheck__figure{
  margin:0 0 clamp(22px,3.2vw,36px);
}
.page-faq .steps{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line-soft);
  border:1px solid var(--line-soft);
  border-radius:var(--faq-radius);
  overflow:hidden;
}
.page-faq .steps__item{
  background:var(--panel);
  padding:clamp(20px,2.6vw,32px);
}
.page-faq .steps__num{
  display:block;
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--cyan);
  margin-bottom:14px;
}
.page-faq .steps__title{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.2;
  letter-spacing:-.01em;
  color:var(--white);
}
.page-faq .steps__text{
  margin:0;
  font-size:14.5px;
  line-height:1.72;
  color:rgba(234,246,242,.76);
}
@media (min-width:820px){
  .page-faq .steps{ grid-template-columns:repeat(3,1fr); }
}

/* ---------- 主体两栏 ---------- */
.page-faq .faq-layout{
  display:grid;
  gap:clamp(28px,4vw,52px);
  align-items:start;
}
@media (min-width:1000px){
  .page-faq .faq-layout{
    grid-template-columns:minmax(200px,264px) minmax(0,1fr);
    gap:clamp(40px,5vw,84px);
  }
}

.page-faq .faq-index{
  display:grid;
  gap:18px;
}
@media (min-width:1000px){
  .page-faq .faq-index{
    position:sticky;
    top:104px;
  }
}
.page-faq .faq-filter{ gap:6px; }

.page-faq .faq-index__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
}
@media (min-width:560px) and (max-width:999px){
  .page-faq .faq-index__list{
    grid-template-columns:repeat(2,1fr);
    column-gap:24px;
  }
}
.page-faq .faq-index__link{
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:baseline;
  gap:10px;
  padding:11px 2px;
  border-bottom:1px solid var(--line-soft);
  color:var(--white);
  text-decoration:none;
  font-size:14px;
  transition:color .18s var(--ease);
}
.page-faq .faq-index__idx{
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--mist);
  transition:color .18s var(--ease);
}
.page-faq .faq-index__count{
  font-family:var(--font-data);
  font-size:11px;
  color:var(--mist);
}
.page-faq .faq-index__link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:1px;
  transform:scaleX(0);
  transform-origin:left;
  background:linear-gradient(90deg,var(--cyan),rgba(43,243,200,0));
  transition:transform .3s var(--ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible{
  color:var(--cyan);
}
.page-faq .faq-index__link:hover::after,
.page-faq .faq-index__link:focus-visible::after{
  transform:scaleX(1);
}
.page-faq .faq-index__link:hover .faq-index__idx{
  color:var(--cyan);
}

/* ---------- 分组 ---------- */
.page-faq .faq-groups{
  display:grid;
  gap:clamp(30px,4.4vw,60px);
}
.page-faq .faq-group{ scroll-margin-top:120px; }
.page-faq .faq-group__head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:8px 16px;
  padding-bottom:clamp(12px,1.8vw,18px);
  border-bottom:1px solid var(--line);
  margin-bottom:clamp(4px,1vw,10px);
}
.page-faq .faq-group__title{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.1;
  letter-spacing:-.01em;
  color:var(--white);
}
.page-faq .faq-group__meta{
  margin:0 0 0 auto;
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mist);
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa{
  border-bottom:1px solid var(--line-soft);
}
.page-faq .qa__q{
  position:relative;
  display:flex;
  align-items:flex-start;
  gap:16px;
  padding:16px 4px 16px 18px;
  cursor:pointer;
  list-style:none;
  font-size:clamp(15px,1.6vw,17px);
  font-weight:500;
  line-height:1.55;
  color:var(--white);
  transition:color .18s var(--ease);
}
.page-faq .qa__q::-webkit-details-marker{ display:none; }
.page-faq .qa__q::before{
  content:"";
  position:absolute;
  left:0;
  top:18px;
  bottom:18px;
  width:2px;
  border-radius:2px;
  background:rgba(43,243,200,.2);
  transition:background .2s var(--ease),box-shadow .25s var(--ease);
}
.page-faq .qa__q:hover{ color:var(--cyan-soft); }
.page-faq .qa[open] > .qa__q{ color:var(--cyan); }
.page-faq .qa[open] > .qa__q::before{
  background:var(--cyan);
  box-shadow:0 0 12px rgba(43,243,200,.55);
}
.page-faq .qa__mark{
  margin-left:auto;
  flex:0 0 auto;
  font-family:var(--font-data);
  font-size:16px;
  line-height:1.4;
  color:var(--mist);
  transition:transform .22s var(--ease),color .22s var(--ease);
}
.page-faq .qa[open] > .qa__q .qa__mark{
  transform:rotate(45deg);
  color:var(--cyan);
}
.page-faq .qa__a{
  padding:0 6px 22px 18px;
  animation:page-faq-reveal .26s var(--ease);
}
.page-faq .qa__a p{
  margin:0 0 10px;
  max-width:64ch;
  font-size:14.5px;
  line-height:1.76;
  color:rgba(234,246,242,.78);
}
.page-faq .qa__a p:last-child{ margin-bottom:0; }
.page-faq .qa__a .qa__lead{
  color:var(--white);
  font-weight:500;
}
.page-faq .qa__a strong{
  color:var(--cyan);
  font-weight:600;
}
.page-faq .qa__steps{
  list-style:none;
  counter-reset:qa-step;
  margin:0 0 10px;
  padding:0;
  display:grid;
  gap:8px;
  max-width:64ch;
}
.page-faq .qa__steps li{
  position:relative;
  counter-increment:qa-step;
  padding-left:30px;
  font-size:14.5px;
  line-height:1.72;
  color:rgba(234,246,242,.78);
}
.page-faq .qa__steps li::before{
  content:counter(qa-step,decimal-leading-zero);
  position:absolute;
  left:0;
  top:2px;
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--amber);
}
.page-faq .qa__a .figure{
  margin:16px 0 4px;
}
@keyframes page-faq-reveal{
  from{ opacity:0; transform:translateY(-4px); }
  to{ opacity:1; transform:none; }
}

/* 筛选后隐藏的分组 */
.page-faq .faq-layout [data-filter-item].is-hidden{ display:none; }

/* ---------- 联系收尾 ---------- */
.page-faq .faq-help__inner{
  display:grid;
  gap:clamp(26px,4vw,52px);
  align-items:start;
}
@media (min-width:900px){
  .page-faq .faq-help__inner{
    grid-template-columns:minmax(0,1.35fr) minmax(260px,.65fr);
    gap:clamp(40px,5vw,88px);
  }
}
.page-faq .faq-help__main h2{
  margin:clamp(12px,1.8vw,20px) 0 clamp(16px,2.2vw,24px);
  line-height:1.06;
  letter-spacing:-.02em;
  color:var(--white);
  max-width:20ch;
}
.page-faq .faq-help__main p{
  margin:0 0 20px;
  max-width:62ch;
  font-size:15.5px;
  line-height:1.78;
  color:rgba(234,246,242,.8);
}
.page-faq .faq-help__list{
  list-style:none;
  margin:0 0 20px;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--line-soft);
  border-top:1px solid var(--line-soft);
  border-bottom:1px solid var(--line-soft);
}
@media (min-width:680px){
  .page-faq .faq-help__list{ grid-template-columns:repeat(2,1fr); }
}
.page-faq .faq-help__list li{
  background:var(--ink);
  padding:14px 16px;
  font-size:14px;
  line-height:1.6;
  color:rgba(234,246,242,.8);
}
.page-faq .faq-help__list li::before{
  content:"/ ";
  font-family:var(--font-data);
  color:var(--cyan);
}
.page-faq .faq-inline-link{
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(43,243,200,.4);
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.page-faq .faq-inline-link:hover,
.page-faq .faq-inline-link:focus-visible{
  color:var(--cyan-soft);
  border-bottom-color:var(--cyan-soft);
}
.page-faq .faq-help__card{
  padding:clamp(22px,3vw,32px);
  display:grid;
  align-content:start;
}
.page-faq .faq-help__k{
  margin:12px 0 4px;
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mist);
}
.page-faq .faq-help__k:first-child{ margin-top:0; }
.page-faq .faq-help__v{
  margin:0;
  font-family:var(--font-data);
  font-size:15px;
  line-height:1.55;
  color:var(--cyan);
  word-break:break-all;
}
.page-faq .faq-help__note{
  margin:18px 0 0;
  padding-top:16px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}
.page-faq .faq-help__card .btn{
  margin-top:22px;
  justify-self:start;
}