.page-faq{
  --faq-hair:rgba(233,226,203,0.16);
  --faq-hair-soft:rgba(233,226,203,0.075);
  --faq-wash:rgba(57,242,208,0.06);
  --faq-cyan-line:rgba(57,242,208,0.42);
  background:var(--ink);
  color:var(--paper);
  padding-bottom:clamp(48px,7vw,96px);
}

.page-faq .page-wrap{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-faq .breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:7px;
  padding:18px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--steel);
}
.page-faq .breadcrumb a{
  color:var(--steel);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .16s,border-color .16s;
}
.page-faq .breadcrumb a:hover,
.page-faq .breadcrumb a:focus-visible{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}
.page-faq .breadcrumb [aria-current="page"]{ color:var(--paper); }

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  display:grid;
  gap:clamp(20px,3vw,30px);
  padding:clamp(24px,4vw,52px) 0 clamp(26px,4vw,46px);
  border-bottom:1px solid var(--faq-hair);
}
.page-faq .faq-hero .eyebrow{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--signal);
}
.page-faq .faq-hero h1{
  margin:0;
  font-size:clamp(28px,5.2vw,58px);
  line-height:1.08;
  letter-spacing:-.02em;
  font-weight:900;
  color:var(--paper);
  max-width:16em;
}
.page-faq .faq-hero .lede{
  margin:16px 0 0;
  font-size:clamp(14.5px,1.5vw,17px);
  line-height:1.64;
  color:var(--paper-2);
  max-width:40em;
}
.page-faq .faq-hero-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(10px,2vw,18px);
}
.page-faq .faq-stat{
  border-left:2px solid var(--signal);
  padding-left:12px;
  min-width:0;
}
.page-faq .stat-num{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(20px,2.8vw,30px);
  font-weight:700;
  line-height:1;
  color:var(--gold);
}
.page-faq .stat-txt{
  display:block;
  margin-top:8px;
  font-size:12px;
  line-height:1.5;
  color:var(--steel);
}

/* ---------- 三步开始 ---------- */
.page-faq .section-head{
  display:flex;
  align-items:baseline;
  flex-wrap:wrap;
  gap:12px;
  margin:0 0 10px;
}
.page-faq .section-head .num{
  font-family:var(--font-mono);
  font-size:clamp(22px,3vw,30px);
  font-weight:700;
  line-height:1;
  color:var(--signal);
}
.page-faq .section-title{
  margin:0;
  font-size:clamp(19px,2.6vw,26px);
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--paper);
}
.page-faq .group-note{
  margin:0 0 clamp(16px,2.4vw,22px);
  font-size:13.5px;
  line-height:1.62;
  color:var(--steel);
  max-width:46em;
}

.page-faq .faq-start{
  display:grid;
  gap:clamp(22px,4vw,44px);
  padding:clamp(28px,4.6vw,56px) 0;
  border-bottom:1px solid var(--faq-hair);
}
.page-faq .step-strip{
  list-style:none;
  margin:20px 0 0;
  padding:0;
  display:grid;
  gap:16px;
}
.page-faq .step-strip li{
  border-top:2px solid var(--signal);
  padding-top:14px;
  min-width:0;
}
.page-faq .step-tag{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.page-faq .step-title{
  margin:8px 0 6px;
  font-size:16px;
  font-weight:800;
  color:var(--paper);
}
.page-faq .step-strip p{
  margin:0;
  font-size:13.5px;
  line-height:1.62;
  color:var(--steel);
}

/* ---------- 图片框 ---------- */
.page-faq .media-frame{
  position:relative;
  margin:0;
  border:1px solid var(--faq-hair);
  background:var(--ink-2);
  min-width:0;
}
.page-faq .media-frame img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
  filter:saturate(.78) contrast(1.06);
}
.page-faq .media-caption{
  padding:10px 12px;
  border-top:1px solid var(--faq-hair);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.07em;
  color:var(--steel);
}
.page-faq .faq-vista{
  margin:0 0 clamp(26px,3.6vw,42px);
}
.page-faq .faq-vista::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:76px;
  height:3px;
  background:var(--cyan);
}

/* ---------- 布局 ---------- */
.page-faq .faq-layout{
  display:grid;
  gap:clamp(24px,4vw,40px);
  padding-top:clamp(26px,4.4vw,60px);
  min-width:0;
}
.page-faq .faq-body{ min-width:0; }

/* ---------- 目录 ---------- */
.page-faq .faq-toc{ min-width:0; }
.page-faq .toc-title{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
}
.page-faq .toc-list{
  list-style:none;
  margin:0;
  padding:0 0 4px;
  display:flex;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.page-faq .toc-list li{ flex:0 0 auto; }
.page-faq .toc-list a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--faq-hair);
  color:var(--paper-2);
  text-decoration:none;
  font-size:13px;
  white-space:nowrap;
  transition:color .16s,border-color .16s,background .16s;
}
.page-faq .toc-list a:hover,
.page-faq .toc-list a:focus-visible{
  color:var(--paper);
  border-color:var(--cyan);
  background:var(--faq-wash);
}
.page-faq .toc-num{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--signal);
}
.page-faq .toc-search{
  margin-top:16px;
}
.page-faq .toc-search-label{
  display:block;
  margin-bottom:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--steel);
}
.page-faq .toc-search-input{
  width:100%;
  box-sizing:border-box;
  padding:9px 12px;
  border:1px solid var(--faq-hair);
  background:var(--ink-3);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:14px;
  line-height:1.4;
  border-radius:0;
  outline:none;
  transition:border-color .16s,box-shadow .16s;
}
.page-faq .toc-search-input::placeholder{ color:rgba(233,226,203,0.42); }
.page-faq .toc-search-input:focus{
  border-color:var(--cyan);
  box-shadow:0 0 0 1px var(--cyan);
}

/* ---------- 问答分组 ---------- */
.page-faq .qa-group{
  scroll-margin-top:20px;
  padding-bottom:clamp(24px,3.2vw,38px);
  margin-bottom:clamp(24px,3.2vw,38px);
  border-bottom:1px solid var(--faq-hair-soft);
}
.page-faq .qa-group:last-child{
  border-bottom:0;
  margin-bottom:0;
  padding-bottom:0;
}
.page-faq .qa-list{ min-width:0; }

.page-faq .qa{
  border-bottom:1px solid var(--faq-hair-soft);
}
.page-faq .qa:first-child{ border-top:1px solid var(--faq-hair-soft); }

.page-faq .qa > summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 6px 14px 0;
  transition:background .16s;
}
.page-faq .qa > summary::-webkit-details-marker{ display:none; }
.page-faq .qa > summary:hover{ background:var(--faq-wash); }
.page-faq .qa > summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:-2px;
}
.page-faq .qa-num{
  flex:0 0 auto;
  min-width:22px;
  padding-top:2px;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.6;
  color:var(--steel);
  transition:color .16s;
}
.page-faq .qa-text{
  flex:1 1 auto;
  min-width:0;
  font-size:15px;
  font-weight:600;
  line-height:1.55;
  color:var(--paper);
  transition:color .16s;
}
.page-faq .qa-sign{
  flex:0 0 auto;
  position:relative;
  width:12px;
  height:12px;
  margin-top:7px;
}
.page-faq .qa-sign::before,
.page-faq .qa-sign::after{
  content:"";
  position:absolute;
  background:var(--steel);
  transition:transform .18s,background .18s;
}
.page-faq .qa-sign::before{ left:0; top:5px; width:12px; height:2px; }
.page-faq .qa-sign::after{ left:5px; top:0; width:2px; height:12px; }

.page-faq .qa[open] .qa-sign::after{ transform:scaleY(0); }
.page-faq .qa[open] .qa-sign::before{ background:var(--cyan); }
.page-faq .qa[open] .qa-text{ color:var(--cyan); }
.page-faq .qa[open] .qa-num{ color:var(--signal); }

.page-faq .qa-a{
  padding:2px 0 18px clamp(20px,4vw,32px);
  border-left:1px solid transparent;
  transition:border-color .18s;
}
.page-faq .qa[open] .qa-a{ border-left-color:var(--faq-cyan-line); }
.page-faq .qa-a p{
  margin:0;
  font-size:14px;
  line-height:1.72;
  color:var(--paper-2);
  max-width:56em;
}
.page-faq .qa-a p + p{ margin-top:8px; }
.page-faq .qa-a a{
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid var(--faq-cyan-line);
  transition:border-color .16s;
}
.page-faq .qa-a a:hover{ border-bottom-color:var(--cyan); }

/* ---------- 仍需要帮助 ---------- */
.page-faq .more-panel{
  display:grid;
  gap:18px;
  padding:clamp(18px,3vw,32px);
  background:var(--ink-2);
  border:1px solid var(--faq-hair);
  border-left:3px solid var(--gold);
}
.page-faq .more-panel > p{
  margin:0;
  font-size:14.5px;
  line-height:1.72;
  color:var(--paper-2);
  max-width:52em;
}
.page-faq .more-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:14px;
}
.page-faq .more-list li{
  border-top:1px solid var(--faq-hair);
  padding-top:10px;
  min-width:0;
}
.page-faq .more-key{
  display:block;
  margin-bottom:6px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--steel);
}
.page-faq .more-val{
  display:block;
  font-size:14.5px;
  line-height:1.62;
  color:var(--paper);
  overflow-wrap:anywhere;
  word-break:break-word;
}
.page-faq .copy-btn{
  margin-left:8px;
  padding:3px 9px;
  border:1px solid var(--faq-hair);
  background:transparent;
  color:var(--steel);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.5;
  cursor:pointer;
  border-radius:0;
  transition:border-color .16s,color .16s;
}
.page-faq .copy-btn:hover,
.page-faq .copy-btn:focus-visible{
  border-color:var(--cyan);
  color:var(--cyan);
}
.page-faq .copy-btn[data-copied="true"]{
  border-color:var(--gold);
  color:var(--gold);
}
.page-faq .more-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.page-faq .btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:11px 22px;
  border:1px solid transparent;
  border-radius:0;
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:700;
  line-height:1.4;
  text-decoration:none;
  cursor:pointer;
  transition:background .16s,color .16s,border-color .16s;
}
.page-faq .btn--gold{
  background:var(--gold);
  border-color:var(--gold);
  color:var(--ink);
}
.page-faq .btn--gold:hover,
.page-faq .btn--gold:focus-visible{
  background:#f2c477;
  border-color:#f2c477;
}
.page-faq .btn--ghost{
  background:transparent;
  border-color:var(--faq-hair);
  color:var(--paper);
}
.page-faq .btn--ghost:hover,
.page-faq .btn--ghost:focus-visible{
  border-color:var(--cyan);
  color:var(--cyan);
}

/* ---------- 平板 ---------- */
@media (min-width:640px){
  .page-faq .step-strip{
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:clamp(14px,2.4vw,26px);
  }
  .page-faq .more-list{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px 28px;
  }
}

@media (min-width:900px){
  .page-faq .faq-hero{
    grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
    align-items:start;
    column-gap:clamp(28px,5vw,72px);
  }
  .page-faq .faq-hero > .eyebrow{ grid-column:1 / -1; }
  .page-faq .faq-hero-main{ grid-column:1; }
  .page-faq .faq-hero-stats{
    grid-column:2;
    grid-row:2;
    align-self:start;
    grid-template-columns:minmax(0,1fr);
    gap:16px;
    padding-top:6px;
  }
  .page-faq .faq-start{
    grid-template-columns:minmax(0,1.05fr) minmax(0,0.85fr);
    align-items:center;
  }
}

@media (min-width:1024px){
  .page-faq .faq-layout{
    grid-template-columns:248px minmax(0,1fr);
    column-gap:clamp(32px,4.6vw,72px);
    align-items:start;
  }
  .page-faq .faq-toc{
    position:sticky;
    top:24px;
    border:1px solid var(--faq-hair);
    background:var(--ink-2);
    padding:18px 16px;
  }
  .page-faq .toc-list{
    display:grid;
    gap:2px;
    overflow:visible;
    padding:0;
  }
  .page-faq .toc-list li{ flex:none; }
  .page-faq .toc-list a{
    display:flex;
    align-items:baseline;
    gap:10px;
    width:100%;
    box-sizing:border-box;
    padding:10px 12px;
    border:0;
    border-left:2px solid transparent;
    font-size:13.5px;
    white-space:normal;
  }
  .page-faq .toc-list a:hover,
  .page-faq .toc-list a:focus-visible{
    border-left-color:var(--cyan);
    background:var(--faq-wash);
  }
  .page-faq .toc-search{
    margin-top:16px;
    padding-top:16px;
    border-top:1px solid var(--faq-hair);
  }
  .page-faq .qa-text{ font-size:15.5px; }
}

@media (min-width:1280px){
  .page-faq .faq-hero h1{ font-size:clamp(40px,4vw,60px); }
}

@media (prefers-reduced-motion:reduce){
  .page-faq *,
  .page-faq *::before,
  .page-faq *::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
  }
}
</main>