.page-faq{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  padding-bottom:clamp(40px,7vw,88px);
  overflow-x:clip;
}

.page-faq a{
  color:var(--mist);
  text-decoration-color:rgba(182,255,241,.45);
  text-underline-offset:3px;
}
.page-faq a:hover{
  color:var(--cyan);
  text-decoration-color:var(--cyan);
}
.page-faq .mono{
  font-family:var(--font-mono);
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  padding:clamp(24px,5vw,56px) 0 clamp(26px,4vw,46px);
  overflow:hidden;
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right,var(--line-soft) 1px,transparent 1px),
    linear-gradient(to bottom,var(--line-soft) 1px,transparent 1px);
  background-size:88px 88px;
  -webkit-mask-image:radial-gradient(120% 90% at 20% 0%,#000 0%,rgba(0,0,0,.35) 55%,transparent 85%);
  mask-image:radial-gradient(120% 90% at 20% 0%,#000 0%,rgba(0,0,0,.35) 55%,transparent 85%);
  pointer-events:none;
}
.page-faq .faq-hero__inner{
  position:relative;
  display:grid;
  gap:clamp(22px,4vw,40px);
}
.page-faq .faq-hero .breadcrumb{
  margin-bottom:14px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--fog);
}
.page-faq .faq-hero .eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--cyan);
  text-transform:uppercase;
  margin:0 0 10px;
}
.page-faq h1{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(32px,7.2vw,64px);
  line-height:1.04;
  letter-spacing:-.02em;
  color:var(--paper);
  max-width:16em;
}
.page-faq .faq-hero__lead{
  margin:18px 0 0;
  max-width:34em;
  font-size:clamp(15px,3.6vw,17px);
  line-height:1.8;
  color:rgba(243,248,245,.84);
}
.page-faq .faq-hero__meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  margin-top:20px;
  font-size:12px;
  color:var(--fog);
  letter-spacing:.02em;
}
.page-faq .faq-hero__figure{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--pitch);
  box-shadow:0 24px 60px -40px rgba(69,242,206,.45);
}
.page-faq .faq-hero__figure img{
  display:block;
  width:100%;
  height:auto;
}
.page-faq .faq-hero__figure figcaption{
  padding:10px 16px;
  font-size:11px;
  color:var(--fog);
  border-top:1px solid var(--line-soft);
  letter-spacing:.02em;
}

/* ---------- 主题胶囊 ---------- */
.page-faq .faq-rail{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:rgba(15,46,38,.62);
}
.page-faq .faq-rail__inner{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-top:12px;
  padding-bottom:12px;
  scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.page-faq .faq-rail__inner::-webkit-scrollbar{display:none;}
.page-faq .faq-tab{
  flex:0 0 auto;
  padding:9px 16px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--mist);
  text-decoration:none;
  white-space:nowrap;
  transition:border-color .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease);
}
.page-faq .faq-tab:hover,
.page-faq .faq-tab:focus-visible{
  border-color:var(--cyan);
  background:rgba(69,242,206,.1);
  color:var(--cyan);
}
.page-faq .faq-tab:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
}

/* ---------- 章节骨架 ---------- */
.page-faq .faq-sec{
  padding:clamp(32px,6vw,68px) 0;
  border-bottom:1px solid var(--line-soft);
  scroll-margin-top:24px;
}
.page-faq .faq-sec:last-of-type{border-bottom:0;}
.page-faq .faq-sec__head{
  display:flex;
  align-items:flex-start;
  gap:14px;
  margin-bottom:clamp(18px,3vw,30px);
}
.page-faq .faq-sec__idx{
  flex:0 0 auto;
  min-width:38px;
  padding:4px 8px;
  border:1px solid var(--line-cyan);
  border-radius:var(--r-pill);
  font-family:var(--font-num);
  font-size:17px;
  font-weight:600;
  line-height:1.2;
  text-align:center;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.page-faq .faq-sec h2{
  margin:0;
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(21px,4.6vw,32px);
  line-height:1.28;
  letter-spacing:-.01em;
  color:var(--paper);
}
.page-faq .faq-sec__sub{
  margin:10px 0 0;
  max-width:40em;
  font-size:14px;
  line-height:1.8;
  color:var(--fog);
}

/* ---------- 问答折叠组 ---------- */
.page-faq .qa-list{
  border-top:1px solid var(--line);
}
.page-faq .qa{
  border-bottom:1px solid var(--line-soft);
}
.page-faq .qa summary{
  list-style:none;
  cursor:pointer;
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  gap:12px;
  align-items:baseline;
  padding:16px 2px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(15px,3.7vw,17px);
  line-height:1.55;
  color:var(--paper);
  transition:color .2s var(--ease);
}
.page-faq .qa summary::-webkit-details-marker{display:none;}
.page-faq .qa summary::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:18px;
  line-height:1;
  color:var(--cyan);
  transition:transform .25s var(--ease),color .2s var(--ease);
}
.page-faq .qa[open] summary::after{
  content:"−";
  color:var(--orange);
}
.page-faq .qa summary:hover{color:var(--mist);}
.page-faq .qa summary:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:var(--r-sm);
}
.page-faq .qa__idx{
  font-size:12px;
  color:var(--fog);
  letter-spacing:.04em;
}
.page-faq .qa__q{display:block;}
.page-faq .qa__body{
  padding:0 2px 20px;
  max-width:42em;
}
.page-faq .qa__body p{
  margin:0 0 10px;
  font-size:15px;
  line-height:1.85;
  color:rgba(243,248,245,.82);
}
.page-faq .qa__body p:last-child{margin-bottom:0;}

/* ---------- 流程时间轴 ---------- */
.page-faq .flow{
  display:grid;
  gap:0;
}
.page-faq .flow__step{
  border-top:1px solid var(--line);
  padding:16px 0 22px;
  display:grid;
  gap:8px;
}
.page-faq .flow__num{
  font-family:var(--font-num);
  font-size:32px;
  font-weight:600;
  line-height:1;
  color:var(--cyan);
  font-variant-numeric:tabular-nums;
}
.page-faq .flow__title{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:17px;
  color:var(--paper);
}
.page-faq .flow__text{
  margin:0;
  font-size:14px;
  line-height:1.8;
  color:rgba(243,248,245,.78);
}
.page-faq .flow__time{
  font-size:11px;
  letter-spacing:.04em;
  color:var(--orange);
}

/* ---------- 提示条 ---------- */
.page-faq .faq-note{
  margin:24px 0 0;
  padding:14px 16px;
  border-left:3px solid var(--cyan);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:rgba(15,46,38,.72);
  font-size:14px;
  line-height:1.8;
  color:rgba(243,248,245,.86);
}

/* ---------- 临时信息：图文双栏 ---------- */
.page-faq .faq-split{
  display:grid;
  gap:clamp(22px,4vw,36px);
}
.page-faq .steps{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:18px;
}
.page-faq .steps__item{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:14px;
}
.page-faq .steps__num{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:600;
  line-height:1;
  color:var(--mist);
  font-variant-numeric:tabular-nums;
}
.page-faq .steps__body{
  border-top:1px solid var(--line-soft);
  padding-top:8px;
}
.page-faq .steps__title{
  margin:0 0 6px;
  font-family:var(--font-display);
  font-weight:700;
  font-size:16px;
  color:var(--paper);
}
.page-faq .steps__body p{
  margin:0;
  font-size:14px;
  line-height:1.8;
  color:rgba(243,248,245,.8);
}
.page-faq .faq-figure{
  margin:0;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--pitch);
}
.page-faq .faq-figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}
.page-faq .faq-figure figcaption{
  padding:10px 16px;
  font-size:11px;
  color:var(--fog);
  border-top:1px solid var(--line-soft);
  letter-spacing:.02em;
}

/* ---------- 联系支持 ---------- */
.page-faq .support{
  display:grid;
  gap:14px;
}
.page-faq .support__card{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px;
  background:rgba(15,46,38,.55);
  display:grid;
  gap:8px;
}
.page-faq .support__key{
  margin:0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--fog);
}
.page-faq .support__val{
  margin:0;
  font-family:var(--font-display);
  font-weight:700;
  font-size:16px;
  line-height:1.5;
  color:var(--paper);
}
.page-faq .support__copy{
  justify-self:start;
  max-width:100%;
  word-break:break-all;
  text-align:left;
  font-family:var(--font-mono);
  font-size:14px;
  line-height:1.5;
  color:var(--cyan);
}
.page-faq .support__hint{
  margin:0;
  font-size:13px;
  line-height:1.75;
  color:var(--fog);
}

/* ---------- 断点 ---------- */
@media (min-width:700px){
  .page-faq .support{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:16px;
  }
  .page-faq .faq-sec__head{gap:18px;}
}

@media (min-width:780px){
  .page-faq .flow{
    grid-template-columns:repeat(4,minmax(0,1fr));
    column-gap:22px;
  }
  .page-faq .flow__step{
    padding-bottom:8px;
  }
  .page-faq .flow__text{
    min-height:5.4em;
  }
}

@media (min-width:900px){
  .page-faq .faq-hero__inner{
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    align-items:end;
  }
  .page-faq .faq-hero__figure{border-radius:var(--r-lg);}
  .page-faq .faq-split{
    grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
    align-items:start;
  }
  .page-faq .qa summary{
    padding:20px 2px;
  }
  .page-faq .qa__body{
    padding-left:44px;
  }
}

@media (min-width:1080px){
  .page-faq .faq-rail__inner{
    flex-wrap:wrap;
    overflow-x:visible;
  }
  .page-faq .support__card{padding:22px;}
}
<<<END>>>