.page-faq{
  padding-bottom:clamp(32px,6vw,72px);
}
.page-faq .breadcrumb{
  margin-top:clamp(18px,3vw,30px);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  display:grid;
  gap:16px;
  padding:clamp(22px,4vw,40px) 0 clamp(26px,4vw,48px);
  border-bottom:1px solid var(--line);
}
.page-faq .faq-hero::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-1px;
  width:clamp(90px,16vw,180px);
  height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--violet));
}
.page-faq .faq-hero h1{
  margin:14px 0 0;
  max-width:20ch;
  font-size:clamp(29px,5.4vw,58px);
  line-height:1.1;
  letter-spacing:-.02em;
}
.page-faq .faq-lead{
  margin:20px 0 0;
  max-width:36em;
  color:var(--mist);
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.85;
}
.page-faq .hero-note{
  display:none;
  writing-mode:vertical-rl;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.34em;
  color:var(--mist);
}

/* ---------- 目录 + 正文骨架 ---------- */
.page-faq .faq-shell{
  padding-top:clamp(6px,2vw,18px);
}
.page-faq .faq-index{
  position:sticky;
  top:0;
  z-index:6;
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 calc(var(--pad-x) * -1) 4px;
  padding:10px var(--pad-x);
  overflow-x:auto;
  background:rgba(7,26,47,.94);
  border-bottom:1px solid var(--line-soft);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  scrollbar-width:none;
}
.page-faq .faq-index::-webkit-scrollbar{
  display:none;
}
.page-faq .idx-title{
  display:none;
  margin:0 0 14px;
  font-size:11px;
  letter-spacing:.22em;
  color:var(--mist);
}
.page-faq .idx-list{
  display:flex;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.page-faq .idx-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:4px;
  color:var(--mist);
  font-size:13px;
  line-height:1.4;
  text-decoration:none;
  white-space:nowrap;
  transition:color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}
.page-faq .idx-link:hover,
.page-faq .idx-link:focus-visible{
  color:var(--cyan);
  border-color:rgba(53,240,208,.5);
}
.page-faq .idx-link:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}
.page-faq .idx-num{
  font-size:11px;
  color:var(--cyan);
}
.page-faq .idx-cta{
  display:none;
}

/* ---------- 区块通用 ---------- */
.page-faq .faq-sec{
  padding:clamp(32px,5.5vw,58px) 0;
  border-top:1px solid var(--line-soft);
  scroll-margin-top:92px;
}
.page-faq .faq-body > .faq-sec:first-child{
  border-top:0;
  padding-top:clamp(22px,4vw,38px);
}
.page-faq .faq-sec h2{
  margin:12px 0 0;
  max-width:24ch;
  font-size:clamp(22px,3.2vw,37px);
  line-height:1.22;
  letter-spacing:-.02em;
}
.page-faq .sec-lead{
  margin:16px 0 0;
  max-width:36em;
  color:var(--mist);
  font-size:15.5px;
  line-height:1.85;
}

/* ---------- 分类卡 ---------- */
.page-faq .cat-grid{
  display:grid;
  gap:12px;
  margin:26px 0 0;
  padding:0;
  list-style:none;
}
.page-faq .cat-card{
  padding:20px 20px 22px;
  border:1px solid var(--line);
  border-radius:8px;
  background:linear-gradient(160deg,rgba(12,39,64,.78),rgba(7,26,47,.34));
  transition:border-color .25s var(--ease), transform .25s var(--ease);
}
.page-faq .cat-card:hover{
  border-color:rgba(53,240,208,.4);
  transform:translateY(-2px);
}
.page-faq .cat-no{
  display:block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--cyan);
}
.page-faq .cat-card h3{
  margin:10px 0 8px;
  font-size:17px;
  letter-spacing:-.01em;
}
.page-faq .cat-card p{
  margin:0;
  color:var(--mist);
  font-size:14.5px;
  line-height:1.78;
}

/* ---------- 图片 ---------- */
.page-faq .faq-figure{
  margin:26px 0 0;
}
.page-faq .faq-figure img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  border:1px solid var(--line);
  border-radius:8px;
  object-fit:cover;
  background:linear-gradient(135deg,rgba(12,39,64,.9),rgba(7,26,47,.6));
}

/* ---------- 步骤卡 ---------- */
.page-faq .steps{
  display:grid;
  gap:14px;
  margin:26px 0 0;
  padding:0;
  list-style:none;
}
.page-faq .step{
  display:grid;
  grid-template-columns:42px minmax(0,1fr);
  column-gap:16px;
  row-gap:6px;
  padding:20px;
  border:1px solid var(--line);
  border-radius:8px;
  background:linear-gradient(180deg,rgba(12,39,64,.66),rgba(7,26,47,.28));
  transition:border-color .25s var(--ease);
}
.page-faq .step-no{
  grid-row:1 / span 3;
  font-size:clamp(22px,3vw,29px);
  line-height:1;
  color:rgba(53,240,208,.9);
}
.page-faq .step h3{
  margin:0;
  font-size:17px;
  letter-spacing:-.01em;
}
.page-faq .step p{
  margin:0;
  color:var(--mist);
  font-size:15px;
  line-height:1.82;
}
.page-faq .step-check{
  grid-column:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:8px;
  font-size:12.5px;
  color:var(--mist);
  cursor:pointer;
  -webkit-user-select:none;
  user-select:none;
}
.page-faq .step-check input{
  -webkit-appearance:none;
  appearance:none;
  box-sizing:border-box;
  width:17px;
  height:17px;
  margin:0;
  position:relative;
  border:1px solid var(--line-strong);
  border-radius:4px;
  background:rgba(7,26,47,.7);
  cursor:pointer;
  transition:background .2s var(--ease), border-color .2s var(--ease);
}
.page-faq .step-check input:checked{
  background:var(--mint);
  border-color:var(--mint);
}
.page-faq .step-check input:checked::after{
  content:"";
  position:absolute;
  left:5px;
  top:1px;
  width:4px;
  height:9px;
  border:2px solid var(--deep);
  border-top:0;
  border-left:0;
  transform:rotate(42deg);
}
.page-faq .step-check input:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}
.page-faq .step:has(input:checked){
  border-color:rgba(79,209,165,.45);
}

/* ---------- 导出区块 ---------- */
.page-faq .export-grid{
  display:grid;
  gap:22px;
  margin-top:26px;
}
.page-faq .export-grid .faq-figure{
  margin:0;
}
.page-faq .fact-list{
  margin:0;
  display:grid;
  gap:0;
}
.page-faq .fact{
  padding:14px 0;
  border-top:1px solid var(--line-soft);
}
.page-faq .fact:first-child{
  border-top:0;
  padding-top:0;
}
.page-faq .fact dt{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--cyan);
}
.page-faq .fact dd{
  margin:6px 0 0;
  color:var(--mist);
  font-size:15px;
  line-height:1.8;
}

/* ---------- 折叠问答 ---------- */
.page-faq .qa-list{
  margin-top:24px;
  border-top:1px solid var(--line);
}
.page-faq .qa{
  border-bottom:1px solid var(--line);
}
.page-faq .qa summary{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:18px 0;
  list-style:none;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--paper);
  transition:color .25s var(--ease);
}
.page-faq .qa summary::-webkit-details-marker{
  display:none;
}
.page-faq .qa summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}
.page-faq .qa[open] summary{
  color:var(--cyan);
}
.page-faq .qa-icon{
  position:relative;
  flex:0 0 22px;
  width:22px;
  height:22px;
  margin-top:1px;
  border:1px solid var(--line-strong);
  border-radius:50%;
  transition:border-color .25s var(--ease);
}
.page-faq .qa[open] .qa-icon{
  border-color:rgba(53,240,208,.6);
}
.page-faq .qa-icon::before,
.page-faq .qa-icon::after{
  content:"";
  position:absolute;
  top:50%;
  left:50%;
  background:var(--cyan);
  transition:transform .3s var(--ease), opacity .3s var(--ease);
}
.page-faq .qa-icon::before{
  width:10px;
  height:1.5px;
  transform:translate(-50%,-50%);
}
.page-faq .qa-icon::after{
  width:1.5px;
  height:10px;
  transform:translate(-50%,-50%);
}
.page-faq .qa[open] .qa-icon::after{
  transform:translate(-50%,-50%) rotate(90deg);
  opacity:0;
}
.page-faq .qa-body{
  padding:0 0 20px;
  color:var(--mist);
  font-size:15px;
  line-height:1.85;
}
.page-faq .qa-body p{
  margin:0;
  max-width:38em;
}
.page-faq .qa-body p + p{
  margin-top:10px;
}

/* ---------- 检索 ---------- */
.page-faq .tips{
  display:grid;
  gap:0;
  margin:24px 0 0;
  padding:0;
  list-style:none;
}
.page-faq .tips li{
  padding:16px 0;
  border-top:1px dashed var(--line);
}
.page-faq .tips li:first-child{
  border-top:0;
  padding-top:0;
}
.page-faq .tips strong{
  display:block;
  margin-bottom:5px;
  font-size:16px;
  color:var(--paper);
  letter-spacing:-.01em;
}
.page-faq .tips p{
  margin:0;
  max-width:38em;
  color:var(--mist);
  font-size:15px;
  line-height:1.8;
}
.page-faq .kw-label{
  margin:26px 0 12px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--mist);
}
.page-faq .kw-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.page-faq .kw-list li{
  padding:7px 13px;
  border:1px solid var(--line);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--cyan);
  background:rgba(53,240,208,.05);
}

/* ---------- 人工协助 ---------- */
.page-faq .checklist{
  display:grid;
  gap:12px;
  margin:24px 0 0;
  padding:0;
  list-style:none;
}
.page-faq .checklist li{
  display:grid;
  grid-template-columns:20px minmax(0,1fr);
  gap:12px;
  align-items:start;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:8px;
  background:rgba(12,39,64,.46);
  color:var(--paper);
  font-size:15px;
  line-height:1.75;
}
.page-faq .checklist li::before{
  content:"✓";
  color:var(--mint);
  font-size:13px;
  line-height:1.9;
}
.page-faq .contact-strip{
  display:flex;
  flex-direction:column;
  gap:16px;
  margin-top:26px;
  padding:22px;
  border:1px solid rgba(255,180,77,.34);
  border-radius:10px;
  background:linear-gradient(135deg,rgba(255,180,77,.10),rgba(12,39,64,.52) 56%,rgba(123,92,255,.12));
}
.page-faq .contact-k{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--amber);
}
.page-faq .contact-v{
  margin:0;
  font-family:var(--font-mono);
  font-size:14.5px;
  letter-spacing:.02em;
  color:var(--paper);
  word-break:break-word;
}
.page-faq .contact-v + .contact-v{
  margin-top:6px;
}

/* ---------- 底部延伸 ---------- */
.page-faq .faq-next{
  display:grid;
  gap:10px;
  margin:clamp(34px,6vw,62px) 0 0;
  padding-top:24px;
  border-top:1px solid var(--line-soft);
}
.page-faq .faq-next a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:15px 18px;
  border:1px solid var(--line);
  border-radius:8px;
  color:var(--paper);
  font-size:15px;
  line-height:1.6;
  text-decoration:none;
  transition:border-color .25s var(--ease), background .25s var(--ease), color .25s var(--ease);
}
.page-faq .faq-next a::after{
  content:"→";
  flex:0 0 auto;
  font-family:var(--font-mono);
  color:var(--cyan);
}
.page-faq .faq-next a:hover,
.page-faq .faq-next a:focus-visible{
  border-color:rgba(53,240,208,.45);
  background:rgba(53,240,208,.06);
  color:var(--cyan);
}
.page-faq .faq-next a:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

/* ---------- 断点 ---------- */
@media (min-width:560px){
  .page-faq .cat-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media (min-width:640px){
  .page-faq .contact-strip{
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    gap:24px;
  }
}
@media (min-width:820px){
  .page-faq .faq-next{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}
@media (min-width:860px){
  .page-faq .export-grid{
    grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
    align-items:start;
    gap:28px;
  }
}
@media (min-width:1000px){
  .page-faq .faq-hero{
    grid-template-columns:minmax(0,1fr) 34px;
    align-items:start;
    padding-right:64px;
  }
  .page-faq .hero-note{
    display:block;
    justify-self:end;
    padding-top:6px;
  }
  .page-faq .faq-shell{
    display:grid;
    grid-template-columns:224px minmax(0,1fr);
    gap:clamp(36px,5vw,72px);
    align-items:start;
  }
  .page-faq .faq-index{
    position:sticky;
    top:32px;
    display:block;
    overflow:visible;
    margin:0;
    padding:0;
    background:transparent;
    border:0;
    -webkit-backdrop-filter:none;
    backdrop-filter:none;
  }
  .page-faq .idx-title{
    display:block;
  }
  .page-faq .idx-list{
    display:block;
    margin:0 0 22px;
    padding:0;
  }
  .page-faq .idx-list li + li{
    margin-top:2px;
  }
  .page-faq .idx-link{
    width:100%;
    padding:9px 0 9px 14px;
    border:0;
    border-left:2px solid transparent;
    border-radius:0;
    font-size:14px;
    line-height:1.5;
    white-space:normal;
  }
  .page-faq .idx-link:hover,
  .page-faq .idx-link:focus-visible{
    border-left-color:var(--cyan);
    background:linear-gradient(90deg,rgba(53,240,208,.10),transparent);
  }
  .page-faq .idx-cta{
    display:inline-flex;
  }
  .page-faq .faq-sec{
    scroll-margin-top:40px;
  }
}
@media (min-width:1040px){
  .page-faq .cat-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}
@media (prefers-reduced-motion:reduce){
  .page-faq .cat-card,
  .page-faq .idx-link,
  .page-faq .step,
  .page-faq .step-check input,
  .page-faq .qa summary,
  .page-faq .qa-icon,
  .page-faq .qa-icon::before,
  .page-faq .qa-icon::after,
  .page-faq .faq-next a{
    transition:none;
  }
  .page-faq .cat-card:hover{
    transform:none;
  }
}
<<<END>>>