.page-faq{
  --faq-gap:clamp(20px,3vw,36px);
  --faq-ease:cubic-bezier(.22,.61,.36,1);
  display:block;
  background:
    radial-gradient(1100px 520px at 78% -14%, rgba(255,122,26,.10), transparent 62%),
    radial-gradient(820px 440px at 4% 2%, rgba(53,199,126,.07), transparent 60%),
    var(--ink);
  color:var(--cold);
}
.page-faq *,
.page-faq *::before,
.page-faq *::after{ box-sizing:border-box; }

/* 面包屑 */
.page-faq .crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:22px 0 0;
  font-family:var(--font-numeric);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--mist);
}
.page-faq .crumbs a{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
}
.page-faq .crumbs a:hover{ color:var(--cold); border-bottom-color:var(--signal-soft); }
.page-faq .crumb-sep{ color:var(--line); }

/* 首屏 */
.page-faq .faq-hero{ border-bottom:var(--edge); }
.page-faq .faq-hero-grid{
  display:grid;
  gap:clamp(22px,4vw,44px);
  padding-block:clamp(20px,3.4vw,34px) clamp(34px,5.5vw,72px);
}
.page-faq .faq-hero-copy .eyebrow{
  margin:0 0 14px;
  font-family:var(--font-numeric);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--mist);
}
.page-faq .faq-hero h1{
  margin:0 0 18px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(27px,6vw,42px);
  line-height:1.24;
  letter-spacing:.02em;
  color:var(--cold);
  max-width:20ch;
}
.page-faq .faq-hero .lead{
  margin:0;
  max-width:56ch;
  font-size:clamp(15px,2.4vw,16.5px);
  line-height:1.85;
  color:rgba(237,241,245,.8);
}
.page-faq .faq-jump{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.page-faq .faq-hero-media{ margin:0; }
.page-faq .faq-hero-media .media-frame{
  aspect-ratio:1 / 1;
  overflow:hidden;
}
.page-faq .faq-hero-media img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.page-faq .media-cap{
  margin:10px 0 0;
  font-size:12.5px;
  line-height:1.6;
  color:var(--mist);
}
.page-faq .faq-shot{ margin:0 0 var(--faq-gap); }
.page-faq .faq-shot img{ display:block; width:100%; height:100%; object-fit:cover; }

/* 分组与组头 */
.page-faq .faq-group{ padding-block:clamp(40px,7vw,86px); }
.page-faq .faq-head{ margin-bottom:var(--faq-gap); }
.page-faq .faq-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin:0;
  font-family:var(--font-numeric);
  font-size:13px;
  letter-spacing:.14em;
  color:var(--signal);
}
.page-faq .faq-kicker::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--signal);
}
.page-faq .faq-head h2{
  margin:12px 0 0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(23px,3.4vw,33px);
  line-height:1.3;
  letter-spacing:.02em;
  color:var(--cold);
}
.page-faq .faq-intro{
  margin:14px 0 0;
  max-width:62ch;
  font-size:15px;
  line-height:1.8;
  color:rgba(237,241,245,.72);
}

/* 新人三步 */
.page-faq .faq-steps{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:clamp(18px,3vw,30px);
}
.page-faq .faq-step{
  border-top:var(--edge);
  padding-top:16px;
}
.page-faq .faq-step-num{
  display:block;
  font-family:var(--font-numeric);
  font-weight:700;
  font-size:clamp(28px,4vw,36px);
  line-height:1;
  letter-spacing:.02em;
  color:var(--signal);
  font-variant-numeric:tabular-nums;
}
.page-faq .faq-step h3{
  margin:12px 0 8px;
  font-family:var(--font-body);
  font-size:17px;
  font-weight:600;
  color:var(--cold);
}
.page-faq .faq-step p{
  margin:0;
  font-size:14.5px;
  line-height:1.75;
  color:rgba(237,241,245,.72);
}
.page-faq .faq-step-link{
  display:inline-block;
  margin-top:12px;
  padding-bottom:2px;
  font-size:13.5px;
  color:var(--turf);
  text-decoration:none;
  border-bottom:1px solid rgba(53,199,126,.4);
}
.page-faq .faq-step-link:hover{
  color:var(--signal-soft);
  border-bottom-color:var(--signal-soft);
}

/* 问答手风琴 */
.page-faq .qa-list{ border-bottom:var(--edge); }
.page-faq .qa{ border-top:var(--edge); }
.page-faq .qa-q{
  list-style:none;
  cursor:pointer;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:clamp(12px,2vw,20px);
  align-items:start;
  padding:clamp(16px,2.4vw,24px) 0;
}
.page-faq .qa-q::-webkit-details-marker{ display:none; }
.page-faq .qa-q:focus-visible{
  outline:2px solid var(--signal-soft);
  outline-offset:4px;
}
.page-faq .qa-num{
  padding-top:5px;
  font-family:var(--font-numeric);
  font-weight:700;
  font-size:14px;
  letter-spacing:.06em;
  color:var(--mist);
  font-variant-numeric:tabular-nums;
}
.page-faq .qa-text{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(17px,2vw,20px);
  line-height:1.5;
  letter-spacing:.01em;
  color:var(--cold);
  overflow-wrap:break-word;
}
.page-faq .qa-icon{
  position:relative;
  width:14px;
  height:14px;
  margin-top:6px;
}
.page-faq .qa-icon::before,
.page-faq .qa-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--signal);
  transition:transform .24s var(--faq-ease), opacity .24s var(--faq-ease), background .24s var(--faq-ease);
}
.page-faq .qa-icon::before{
  width:12px;
  height:1px;
  transform:translate(-50%,-50%);
}
.page-faq .qa-icon::after{
  width:1px;
  height:12px;
  transform:translate(-50%,-50%);
}
.page-faq .qa[open] .qa-icon::after{
  transform:translate(-50%,-50%) scaleY(0);
  opacity:0;
}
.page-faq .qa-q:hover .qa-icon::before,
.page-faq .qa-q:hover .qa-icon::after{ background:var(--signal-soft); }
.page-faq .qa-a{
  margin-left:clamp(22px,3.2vw,42px);
  padding:2px 0 clamp(18px,2.6vw,26px) clamp(14px,2vw,20px);
  border-left:2px solid var(--signal);
  max-width:70ch;
  font-size:15.5px;
  line-height:1.75;
  color:rgba(237,241,245,.78);
}
.page-faq .qa-a p{ margin:0 0 12px; }
.page-faq .qa-a p:last-of-type{ margin-bottom:0; }
.page-faq .qa-a a{
  color:var(--turf);
  text-decoration:none;
  border-bottom:1px solid rgba(53,199,126,.4);
}
.page-faq .qa-a a:hover{
  color:var(--signal-soft);
  border-bottom-color:var(--signal-soft);
}
.page-faq .qa[open] .qa-a{ animation:faqQaIn .24s var(--faq-ease) both; }
@keyframes faqQaIn{
  from{ opacity:0; transform:translateY(6px); }
  to{ opacity:1; transform:none; }
}

/* 分享与复制 */
.page-faq .qa-share{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:14px;
}
.page-faq .qa-copy{
  font-family:var(--font-body);
  font-size:12.5px;
  line-height:1.4;
  color:var(--mist);
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:6px 10px;
  cursor:pointer;
  transition:color .2s var(--faq-ease), border-color .2s var(--faq-ease);
}
.page-faq .qa-copy:hover{
  color:var(--cold);
  border-color:var(--signal-soft);
}
.page-faq .qa-copy:focus-visible{
  outline:2px solid var(--signal-soft);
  outline-offset:3px;
}

/* 页尾收口 */
.page-faq .faq-tail{
  padding-block:clamp(36px,6vw,76px);
  border-top:var(--edge);
}
.page-faq .faq-tail-inner{
  display:grid;
  gap:20px;
}
.page-faq .faq-tail h2{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(20px,2.8vw,26px);
  line-height:1.35;
  letter-spacing:.02em;
  color:var(--cold);
}
.page-faq .faq-tail p{
  margin:0;
  max-width:60ch;
  font-size:14.5px;
  line-height:1.8;
  color:rgba(237,241,245,.72);
}

@media (min-width:820px){
  .page-faq .faq-steps{ grid-template-columns:repeat(3,minmax(0,1fr)); }
  .page-faq .faq-tail-inner{
    grid-template-columns:minmax(0,1fr) auto;
    align-items:end;
  }
}

@media (min-width:900px){
  .page-faq .faq-hero-grid{
    grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
    align-items:end;
  }
}

@media (max-width:520px){
  .page-faq .qa-a{ margin-left:14px; }
  .page-faq .qa-num{ font-size:13px; }
  .page-faq .faq-jump .btn{ flex:1 1 auto; text-align:center; }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .qa[open] .qa-a{ animation:none; }
  .page-faq .qa-icon::before,
  .page-faq .qa-icon::after,
  .page-faq .qa-copy{ transition:none; }
}