.page-faq{
  --faq-line:rgba(201,210,222,.24);
  --faq-line-soft:rgba(201,210,222,.14);
  --faq-panel:rgba(34,49,95,.42);
  --faq-panel-solid:#1a2750;
  background:var(--night-ink);
  color:var(--silver-paper);
}

.page-faq .section--paper{
  background:var(--silver-paper);
  color:var(--ink-on-paper);
}

.page-faq img{max-width:100%;height:auto;display:block}

.page-faq h1,.page-faq h2,.page-faq h3{
  font-family:var(--font-head);
  letter-spacing:-.02em;
  line-height:1.12;
  margin:0;
}
.page-faq h1{font-size:clamp(30px,6.4vw,58px);font-weight:800;margin:10px 0 14px}
.page-faq h2{font-size:clamp(24px,4vw,38px);font-weight:800;margin:8px 0 12px}
.page-faq h3{font-size:clamp(18px,2.2vw,22px);font-weight:700}
.page-faq p{margin:0 0 14px}
.page-faq .prose{max-width:68ch;color:var(--silver-mist);font-size:16px;line-height:1.8}
.page-faq .section--paper .prose{color:var(--paper-text)}
.page-faq .lede{max-width:56ch;font-size:16px;line-height:1.8;color:var(--silver-mist)}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  padding:26px 0 30px;
  background:
    radial-gradient(760px 300px at 92% -20%,rgba(47,224,198,.16),transparent 70%),
    radial-gradient(620px 320px at 2% 0%,rgba(91,75,224,.26),transparent 72%),
    linear-gradient(180deg,var(--night-ink),#0a1122 78%,var(--night-ink));
  overflow:hidden;
}
.page-faq .faq-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(180deg,rgba(237,241,246,.035) 0 1px,transparent 1px 4px);
  pointer-events:none;
}
.page-faq .faq-hero .shell{position:relative;z-index:1}
.page-faq .faq-hero .crumb{margin-bottom:18px}
.page-faq .faq-hero__grid{
  display:grid;
  gap:26px;
  align-items:end;
}
.page-faq .faq-hero__actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.page-faq .faq-hero__stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
}
.page-faq .faq-hero__stats .stat{
  border:1px solid var(--faq-line);
  background:linear-gradient(180deg,rgba(237,241,246,.05),rgba(237,241,246,0));
  padding:12px 10px;
}
.page-faq .faq-hero__stats .stat__value{font-variant-numeric:tabular-nums}

/* ---------- 目录条 ---------- */
.page-faq .faq-index{
  border-top:1px solid var(--faq-line-soft);
  border-bottom:1px solid var(--faq-line-soft);
  background:rgba(16,26,56,.72);
}
.page-faq .faq-index__list{
  display:flex;
  gap:8px;
  overflow-x:auto;
  list-style:none;
  margin:0;
  padding:12px 0;
  scrollbar-width:thin;
}
.page-faq .faq-index__list a{
  display:block;
  white-space:nowrap;
  padding:8px 12px;
  border:1px solid var(--faq-line);
  color:var(--silver-mist);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  text-decoration:none;
  transition:border-color .16s var(--ease),color .16s var(--ease),transform .16s var(--ease);
}
.page-faq .faq-index__list a:hover,
.page-faq .faq-index__list a:focus-visible{
  color:var(--neon-cyan);
  border-color:var(--neon-cyan);
  transform:translateY(-2px);
}

/* ---------- 三步路径 ---------- */
.page-faq .faq-visual{margin:20px 0 26px}
.page-faq .pathline{
  position:relative;
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:18px;
}
.page-faq .pathline__step{
  position:relative;
  border:1px solid var(--faq-line);
  border-left:2px solid var(--neon-cyan);
  background:var(--faq-panel);
  padding:18px 16px 16px;
}
.page-faq .pathline__num{
  display:inline-block;
  color:var(--signal-amber);
  font-size:13px;
  letter-spacing:.12em;
  margin-bottom:8px;
}
.page-faq .pathline__title{margin-bottom:8px}
.page-faq .pathline__text{margin:0;color:var(--silver-mist);font-size:15px;line-height:1.78}
.page-faq .faq-note{
  margin-top:22px;
  padding-left:14px;
  border-left:1px solid var(--faq-line);
  color:var(--steel-gray);
  font-size:14px;
  line-height:1.8;
}
.page-faq .faq-note--dark{color:rgba(201,210,222,.72)}

/* ---------- 维度分组 ---------- */
.page-faq .dim-grid{
  display:grid;
  gap:16px;
  margin-top:22px;
}
.page-faq .dim-card{
  position:relative;
  background:#fff;
  border:1px solid rgba(12,20,36,.12);
  padding:18px 16px 16px;
  box-shadow:0 1px 0 rgba(12,20,36,.06);
}
.page-faq .dim-card__bar{
  position:absolute;
  left:0;top:0;
  width:100%;height:4px;
  background:var(--bar,var(--data-blue));
}
.page-faq .dim-card--site{--bar:linear-gradient(90deg,var(--neon-cyan),var(--data-blue))}
.page-faq .dim-card--run{--bar:linear-gradient(90deg,var(--signal-amber),var(--arc-orange))}
.page-faq .dim-card--content{--bar:linear-gradient(90deg,var(--data-blue),var(--grid-violet))}
.page-faq .dim-card--service{--bar:linear-gradient(90deg,var(--arc-orange),var(--grid-violet))}
.page-faq .dim-card__head{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:10px;
  padding-top:4px;
}
.page-faq .dim-card p{font-size:15px;line-height:1.78;color:var(--paper-text)}
.page-faq .dim-card__focus,
.page-faq .dim-card__warn{
  margin:10px 0 0;
  padding:9px 11px;
  font-size:14px;
}
.page-faq .dim-card__focus{
  background:rgba(76,125,255,.08);
  border-left:2px solid var(--data-blue);
}
.page-faq .dim-card__warn{
  background:rgba(255,138,61,.10);
  border-left:2px solid var(--arc-orange);
}
.page-faq .dim-card__focus strong,
.page-faq .dim-card__warn strong{color:var(--ink-on-paper)}

.page-faq .dim-aside{
  display:grid;
  gap:18px;
  margin-top:26px;
  padding-top:24px;
  border-top:1px solid rgba(12,20,36,.12);
}
.page-faq .dim-aside__text h3{margin-bottom:10px;color:var(--ink-on-paper)}
.page-faq .dim-aside__text p{color:var(--paper-text);font-size:15px;line-height:1.8;max-width:56ch}

/* ---------- 安装流程 ---------- */
.page-faq .flow-list{
  list-style:none;
  margin:22px 0 0;
  padding:0;
  display:grid;
  gap:12px;
  counter-reset:flow;
}
.page-faq .flow-list__item{
  position:relative;
  border:1px solid var(--faq-line);
  background:linear-gradient(180deg,rgba(237,241,246,.06),rgba(237,241,246,0));
  padding:16px;
}
.page-faq .flow-list__item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:linear-gradient(180deg,var(--neon-cyan),transparent);
}
.page-faq .flow-list__step{
  display:block;
  color:var(--signal-amber);
  font-size:12px;
  letter-spacing:.14em;
  margin-bottom:6px;
}
.page-faq .flow-list__item h3{margin-bottom:4px}
.page-faq .flow-list__time{
  display:block;
  margin:0 0 8px;
  color:var(--neon-cyan);
  font-size:12px;
  letter-spacing:.04em;
}
.page-faq .flow-list__body{margin:0;color:var(--silver-mist);font-size:15px;line-height:1.78}

/* ---------- 维护区 ---------- */
.page-faq .maint-layout{
  display:grid;
  gap:18px;
  margin-top:22px;
}
.page-faq .maint-panel{
  background:#fff;
  border:1px solid rgba(12,20,36,.12);
  padding:18px 16px;
}
.page-faq .maint-panel--text{background:rgba(237,241,246,.72)}
.page-faq .maint-panel__title{
  margin:0 0 14px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(12,20,36,.12);
  color:var(--ink-on-paper);
}
.page-faq .maint-panel__title--gap{margin-top:24px}
.page-faq .maint-panel p{color:var(--paper-text);font-size:15px;line-height:1.8}
.page-faq .maint-checklist{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}
.page-faq .maint-check{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:9px 6px;
  border-bottom:1px dashed rgba(12,20,36,.1);
}
.page-faq .maint-check:last-child{border-bottom:0}
.page-faq .maint-check__box{
  flex:0 0 auto;
  width:18px;height:18px;
  margin-top:2px;
  accent-color:var(--neon-cyan);
}
.page-faq .maint-check__text{
  font-size:14px;
  line-height:1.72;
  color:var(--paper-text);
  cursor:pointer;
}
.page-faq .maint-check__box:checked + .maint-check__text{
  color:var(--steel-gray);
  text-decoration:line-through;
}
.page-faq .maint-period{
  display:inline-block;
  min-width:42px;
  margin-right:8px;
  padding:1px 6px;
  border:1px solid var(--data-blue);
  color:var(--data-blue);
  font-size:11px;
  letter-spacing:.06em;
  vertical-align:1px;
}
.page-faq .maint-copy{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:16px;
  padding:12px;
  border:1px solid rgba(12,20,36,.12);
  background:rgba(76,125,255,.06);
}
.page-faq .maint-copy__hint{
  margin:0;
  flex:1 1 200px;
  font-size:13px;
  color:var(--paper-text);
}

/* ---------- 折叠问答 ---------- */
.page-faq .toggle-stack,
.page-faq .qa-list{
  display:grid;
  gap:8px;
}
.page-faq .qa-item{
  border:1px solid rgba(12,20,36,.14);
  background:#fff;
}
.page-faq .section--indigo .qa-item,
.page-faq .toggle-stack .qa-item{
  border-color:rgba(12,20,36,.14);
}
.page-faq .qa-q{
  position:relative;
  cursor:pointer;
  list-style:none;
  padding:13px 40px 13px 14px;
  font-family:var(--font-head);
  font-weight:700;
  font-size:16px;
  line-height:1.45;
  color:var(--ink-on-paper);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.page-faq .qa-q::-webkit-details-marker{display:none}
.page-faq .qa-q::after{
  content:"+";
  position:absolute;
  right:14px;top:50%;
  transform:translateY(-50%);
  font-family:var(--font-mono);
  font-size:18px;
  color:var(--data-blue);
  transition:transform .18s var(--ease),color .18s var(--ease);
}
.page-faq .qa-item[open] > .qa-q{color:var(--data-blue);background:rgba(76,125,255,.05)}
.page-faq .qa-item[open] > .qa-q::after{content:"−";color:var(--arc-orange);transform:translateY(-50%) rotate(180deg)}
.page-faq .qa-q:focus-visible{outline:2px solid var(--neon-cyan);outline-offset:-2px}
.page-faq .qa-a{
  padding:0 14px 14px;
  border-top:1px solid rgba(12,20,36,.08);
}
.page-faq .qa-a p{
  margin:12px 0 0;
  max-width:68ch;
  font-size:15px;
  line-height:1.82;
  color:var(--paper-text);
}

/* ---------- 联系入口条 ---------- */
.page-faq .relogin-card{
  display:grid;
  gap:18px;
  padding:22px 18px;
  border:1px solid var(--faq-line);
  background:
    radial-gradient(520px 220px at 100% 0%,rgba(47,224,198,.14),transparent 70%),
    linear-gradient(160deg,var(--indigo-deep),var(--night-ink));
}
.page-faq .relogin-card p{color:var(--silver-mist);font-size:15px;line-height:1.8;max-width:60ch}
.page-faq .relogin-card__rows{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:10px;
}
.page-faq .relogin-card__rows li{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 12px;
  padding:10px 12px;
  border:1px solid var(--faq-line-soft);
  background:rgba(7,11,20,.4);
}
.page-faq .relogin-card__key{
  color:var(--signal-amber);
  font-size:11px;
  letter-spacing:.14em;
  min-width:52px;
}
.page-faq .relogin-card__val{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--silver-paper);
  word-break:break-word;
}
.page-faq .relogin-card__note{
  margin:0;
  padding-top:12px;
  border-top:1px solid var(--faq-line-soft);
  color:var(--steel-gray);
  font-size:13px;
}

/* ---------- 问答分组 ---------- */
.page-faq .qa-group{margin-top:26px}
.page-faq .qa-group__title{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:12px;
  padding-bottom:8px;
  border-bottom:2px solid var(--ink-on-paper);
  color:var(--ink-on-paper);
  font-size:17px;
}
.page-faq .qa-group__title::before{
  content:"";
  width:10px;height:10px;
  background:var(--neon-cyan);
  flex:0 0 auto;
}

/* ---------- 结尾行动区 ---------- */
.page-faq .faq-cta{padding-bottom:60px}
.page-faq .faq-cta__box{
  display:grid;
  gap:18px;
  padding:24px 18px;
  border:1px solid var(--faq-line);
  background:
    radial-gradient(600px 240px at 0% 100%,rgba(91,75,224,.28),transparent 70%),
    linear-gradient(120deg,var(--indigo-deep),#0b1striped 0,var(--night-ink));
  background-color:var(--indigo-deep);
}
.page-faq .faq-cta__box p{color:var(--silver-mist);font-size:15px;line-height:1.8;max-width:56ch;margin:10px 0 0}
.page-faq .faq-cta__actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}

/* ---------- 平板 ---------- */
@media (min-width:760px){
  .page-faq .faq-hero{padding:34px 0 40px}
  .page-faq .pathline{gap:20px}
  .page-faq .pathline__step{padding:22px 20px 20px}
  .page-faq .dim-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .page-faq .flow-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-faq .maint-layout{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}
  .page-faq .relogin-card{padding:28px 24px}
  .page-faq .relogin-card__rows li{flex-wrap:nowrap}
  .page-faq .faq-cta__box{
    grid-template-columns:minmax(0,1.4fr) auto;
    align-items:center;
    padding:28px 26px;
  }
  .page-faq .faq-cta__actions{justify-content:flex-end}
}

/* ---------- 桌面 ---------- */
@media (min-width:1024px){
  .page-faq .faq-hero{padding:40px 0 48px}
  .page-faq .faq-hero__grid{grid-template-columns:minmax(0,1.55fr) minmax(280px,.85fr);gap:40px}
  .page-faq .faq-index__list{gap:14px}
  .page-faq .pathline{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
  .page-faq .pathline::before{
    content:"";
    position:absolute;
    top:44px;left:0;right:0;
    height:1px;
    background:linear-gradient(90deg,var(--neon-cyan),rgba(47,224,198,.2) 60%,transparent);
    z-index:0;
  }
  .page-faq .pathline__step{z-index:1;padding:24px 22px 22px;background:rgba(26,39,80,.86)}
  .page-faq .dim-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .page-faq .dim-aside{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:28px;align-items:start}
  .page-faq .flow-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .page-faq .maint-layout{grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:26px}
}

@media (prefers-reduced-motion:reduce){
  .page-faq *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}
<<<END>>>