.page-faq{
  --faq-col-num:clamp(56px,15vw,96px);
  --faq-rail:rgba(159,247,222,.16);
  color:var(--cream);
}

.page-faq .breadcrumb{margin:0 0 clamp(20px,3vw,34px)}
.page-faq .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;margin:0;padding:0;list-style:none;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--mute)}
.page-faq .breadcrumb a{color:var(--mist);text-decoration:none}
.page-faq .breadcrumb a:hover{color:var(--cyan)}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  padding:clamp(22px,4vw,42px) 0 clamp(26px,4vw,48px);
  background:
    radial-gradient(120% 90% at 88% -10%, rgba(53,240,192,.12), transparent 62%),
    linear-gradient(180deg, var(--panel-deep) 0%, var(--ink) 82%);
  border-bottom:1px solid var(--line-soft);
}
.page-faq .faq-hero-grid{display:grid;gap:clamp(26px,4vw,52px)}
.page-faq .faq-hero-copy .eyebrow{margin:0 0 12px}
.page-faq .faq-hero h1{
  margin:0 0 16px;
  font-family:var(--font-display);
  font-size:clamp(32px,6.4vw,62px);
  font-weight:800;
  line-height:1.08;
  letter-spacing:-.02em;
  color:var(--cream);
  max-width:16em;
}
.page-faq .faq-lead{
  margin:0;
  max-width:46ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.78;
  color:var(--mist);
}
.page-faq .faq-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:clamp(18px,3vw,26px)}
.page-faq .faq-hero-note{
  margin:16px 0 0;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--mute);
}

.page-faq .faq-route{
  list-style:none;
  margin:0;
  padding:0 0 0 clamp(14px,2.4vw,22px);
  border-left:1px solid var(--line-strong);
  display:grid;
  gap:0;
}
.page-faq .faq-route li{
  display:grid;
  grid-template-columns:2.6em 1fr;
  gap:10px;
  align-items:baseline;
  padding:11px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:14px;
  color:var(--mist);
}
.page-faq .faq-route li:last-child{border-bottom:0}
.page-faq .faq-route .rt-num{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--cyan);
}

.page-faq .faq-hero-figure{margin:clamp(26px,4vw,44px) 0 0}
.page-faq .media-frame{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--panel);
  box-shadow:0 30px 60px -40px rgba(0,0,0,.9);
}
.page-faq .media-frame img{display:block;width:100%;height:auto;max-width:100%;object-fit:cover}
.page-faq .media-caption{
  display:block;
  padding:12px 18px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--mute);
  border-top:1px solid var(--line-soft);
  background:var(--panel-deep);
}

/* ---------- 主体栅格 ---------- */
.page-faq .faq-body{
  display:grid;
  gap:clamp(28px,4vw,40px);
  max-width:var(--wrap);
  margin:0 auto;
  padding:clamp(30px,5vw,68px) var(--gutter) clamp(48px,7vw,92px);
}

.page-faq .faq-toc{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--panel-deep);
  padding:16px 16px 14px;
}
.page-faq .toc-title{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--mute);
}
.page-faq .toc{
  display:flex;
  gap:8px;
  overflow-x:auto;
  margin:0;
  padding:0 0 4px;
  list-style:none;
  -webkit-overflow-scrolling:touch;
}
.page-faq .toc li{flex:0 0 auto}
.page-faq .toc-link{
  display:block;
  padding:8px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--mist);
  text-decoration:none;
  white-space:nowrap;
  transition:color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-faq .toc-link:hover{color:var(--cyan);border-color:var(--line-strong)}
.page-faq .toc-link[aria-current="true"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--ink);
}

/* ---------- 章节 ---------- */
.page-faq .faq-content{display:grid;gap:clamp(36px,5vw,60px);min-width:0}
.page-faq .faq-section{
  min-width:0;
  scroll-margin-top:calc(var(--header-h) + 24px);
  padding-top:clamp(26px,4vw,38px);
  border-top:1px solid var(--line-soft);
}
.page-faq .faq-section:first-child{border-top:0;padding-top:0}
.page-faq .sec-head{margin:0 0 clamp(20px,3vw,30px)}
.page-faq .section-index{margin:0 0 10px}
.page-faq .sec-head h2{
  margin:0 0 10px;
  font-family:var(--font-display);
  font-size:clamp(24px,4vw,40px);
  font-weight:700;
  line-height:1.18;
  letter-spacing:-.015em;
  color:var(--cream);
}
.page-faq .sec-lead{
  margin:0;
  max-width:52ch;
  font-size:15px;
  line-height:1.75;
  color:var(--mute);
}

/* ---------- 六步 ---------- */
.page-faq .step-list{list-style:none;margin:0;padding:0}
.page-faq .step{
  position:relative;
  display:grid;
  grid-template-columns:var(--faq-col-num) minmax(0,1fr);
  column-gap:clamp(14px,3vw,28px);
  padding-bottom:clamp(22px,3.4vw,34px);
}
.page-faq .step::before{
  content:"";
  position:absolute;
  left:calc(var(--faq-col-num) / 2 - 1px);
  top:clamp(44px,10vw,84px);
  bottom:6px;
  width:2px;
  background:linear-gradient(180deg, var(--line-strong), transparent 92%);
}
.page-faq .step:last-child{padding-bottom:0}
.page-faq .step:last-child::before{display:none}
.page-faq .step-num{
  display:block;
  font-family:var(--font-display);
  font-size:clamp(36px,9.5vw,76px);
  font-weight:800;
  line-height:.92;
  letter-spacing:-.03em;
  text-align:center;
  color:var(--panel-deep);
  user-select:none;
}
@supports ((-webkit-text-stroke:1px #000)){
  .page-faq .step-num{
    color:transparent;
    -webkit-text-stroke:2px var(--cyan);
  }
}
.page-faq .step-body{padding-top:2px;min-width:0}
.page-faq .step-body h3{
  margin:0 0 8px;
  font-size:clamp(17px,2.2vw,21px);
  font-weight:600;
  line-height:1.4;
  color:var(--cream);
}
.page-faq .step-body p{
  margin:0;
  font-size:15px;
  line-height:1.78;
  color:var(--mist);
}

/* ---------- 展开控件 ---------- */
.page-faq details > summary{
  cursor:pointer;
  list-style:none;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:10px;
  padding:6px 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--cyan);
}
.page-faq details > summary::-webkit-details-marker{display:none}
.page-faq details > summary::after{
  content:"+";
  font-size:14px;
  line-height:1;
  color:var(--amber);
  transition:transform .2s var(--ease);
}
.page-faq details[open] > summary::after{content:"−";transform:translateY(-1px)}
.page-faq .step-more[open] > p{
  margin:6px 0 0;
  padding-left:14px;
  border-left:2px solid var(--line-strong);
  font-size:14px;
  line-height:1.75;
  color:var(--mute);
}

/* ---------- 栏目位置 ---------- */
.page-faq .path-grid{display:grid;gap:clamp(22px,3.4vw,34px)}
.page-faq .path-copy p{
  margin:0 0 14px;
  font-size:15px;
  line-height:1.8;
  color:var(--mist);
}
.page-faq .path-copy .btn{margin-top:6px}
.page-faq .path-table{
  width:100%;
  border-collapse:collapse;
  font-size:14px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
}
.page-faq .path-table caption{
  caption-side:top;
  text-align:left;
  padding:12px 14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--mute);
  background:var(--panel-deep);
  border-bottom:1px solid var(--line-soft);
}
.page-faq .path-table th,
.page-faq .path-table td{
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
  line-height:1.65;
  border-bottom:1px solid var(--line-soft);
}
.page-faq .path-table thead th{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.1em;
  color:var(--cyan);
  background:rgba(53,240,192,.06);
}
.page-faq .path-table tbody tr:last-child th,
.page-faq .path-table tbody tr:last-child td{border-bottom:0}
.page-faq .path-table tbody td:first-child{color:var(--mute);width:44%}
.page-faq .path-table tbody td:last-child{color:var(--cream)}
.page-faq .path-table a{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid var(--line-strong);
}
.page-faq .path-table a:hover{color:var(--cyan)}

/* ---------- 版本 ---------- */
.page-faq .version-grid{display:grid;gap:clamp(22px,3.4vw,34px)}
.page-faq .version-copy p{
  margin:0 0 14px;
  font-size:15px;
  line-height:1.8;
  color:var(--mist);
}
.page-faq .version-facts{
  list-style:none;
  margin:0 0 18px;
  padding:0;
  display:grid;
  gap:10px;
}
.page-faq .version-facts li{
  display:grid;
  grid-template-columns:5.4em 1fr;
  gap:10px;
  align-items:baseline;
  padding:10px 0;
  border-bottom:1px dashed var(--line-soft);
  font-size:14px;
  color:var(--mute);
}
.page-faq .version-facts .mono-num{
  font-family:var(--font-mono);
  font-size:15px;
  color:var(--cream);
  letter-spacing:.02em;
}

/* ---------- 问答 ---------- */
.page-faq .qa-list{border-top:1px solid var(--line)}
.page-faq .qa-item{border-bottom:1px solid var(--line)}
.page-faq .qa-item > summary{
  margin-top:0;
  padding:16px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-family:var(--font-body);
  font-size:clamp(15px,1.8vw,16px);
  font-weight:600;
  letter-spacing:0;
  line-height:1.55;
  color:var(--cream);
}
.page-faq .qa-item > summary::after{margin-left:auto}
.page-faq .qa-item > summary:hover{color:var(--cyan)}
.page-faq .qa-item > p{
  margin:0 0 18px;
  padding:0 0 0 2px;
  max-width:64ch;
  font-size:15px;
  line-height:1.8;
  color:var(--mist);
}

/* ---------- 联系 ---------- */
.page-faq .prep-list{
  list-style:none;
  margin:0 0 clamp(22px,3vw,30px);
  padding:0;
  display:grid;
  gap:12px;
}
.page-faq .prep-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  line-height:1.7;
  color:var(--mist);
}
.page-faq .prep-list li::before{
  content:"";
  position:absolute;
  left:8px;
  top:.62em;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--cyan);
  transform:rotate(45deg);
}
.page-faq .support-box{
  display:grid;
  gap:18px;
  padding:clamp(20px,3vw,30px);
  border:1px solid var(--line);
  border-left:3px solid var(--amber);
  border-radius:var(--r-md);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(245,179,76,.09), transparent 60%),
    var(--panel);
}
.page-faq .support-row{display:grid;gap:5px;justify-items:start;min-width:0}
.page-faq .support-label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--mute);
}
.page-faq .support-value{
  font-size:clamp(15px,1.9vw,17px);
  line-height:1.6;
  color:var(--cream);
  overflow-wrap:anywhere;
}
.page-faq .support-value a{
  color:var(--cream);
  text-decoration:none;
  border-bottom:1px solid rgba(245,179,76,.55);
}
.page-faq .support-value a:hover{color:var(--amber)}
.page-faq .support-row .copy-btn{margin-top:4px}
.page-faq .support-note{
  margin:0;
  padding-top:14px;
  border-top:1px solid var(--line-soft);
  font-size:13px;
  line-height:1.7;
  color:var(--mute);
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .page-faq .path-table tbody td:first-child{width:38%}
  .page-faq .version-facts li{grid-template-columns:6em 1fr}
}

@media (min-width:900px){
  .page-faq .faq-hero-grid{
    grid-template-columns:1.18fr .82fr;
    align-items:end;
  }
  .page-faq .path-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:start}
  .page-faq .version-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}
}

@media (min-width:1024px){
  .page-faq .faq-body{
    grid-template-columns:minmax(0,1fr) 246px;
    align-items:start;
    gap:clamp(40px,5vw,64px);
  }
  .page-faq .faq-toc{
    order:2;
    position:sticky;
    top:calc(var(--header-h) + 28px);
    padding:18px 10px 18px 16px;
  }
  .page-faq .toc{
    flex-direction:column;
    gap:2px;
    overflow:visible;
    padding-bottom:0;
  }
  .page-faq .toc li{flex:1 1 auto}
  .page-faq .toc-link{
    border:0;
    border-left:2px solid var(--line);
    border-radius:0;
    padding:9px 0 9px 14px;
    white-space:normal;
    font-size:12.5px;
    line-height:1.5;
  }
  .page-faq .toc-link[aria-current="true"]{
    background:transparent;
    color:var(--cyan);
    border-left-color:var(--cyan);
  }
  .page-faq .toc-link:hover{border-left-color:var(--line-strong)}
}

已在上方合并输出。