.page-faq{
  --faq-hair:rgba(244,241,232,.20);
  --faq-hair-ink:rgba(26,29,28,.16);
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
.page-faq *{box-sizing:border-box;}
.page-faq img{display:block;max-width:100%;height:auto;}
.page-faq p{margin:0 0 14px;}
.page-faq h2,.page-faq h3{margin:0;}
.page-faq .mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  overflow:hidden;
  padding:26px 0 52px;
  background:linear-gradient(158deg,var(--ink) 0 66%,var(--ink-2) 66% 100%);
  border-bottom:1px solid rgba(79,191,122,.45);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(79,191,122,.10) 0 1px,transparent 1px 96px);
  opacity:.5;
}
.page-faq .faq-hero__inner{
  position:relative;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
.page-faq .faq-hero__text{min-width:0;}

.page-faq .breadcrumbs__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin:0 0 24px;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:var(--mist);
}
.page-faq .breadcrumbs__link{
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.page-faq .breadcrumbs__link:hover,
.page-faq .breadcrumbs__link:focus-visible{
  color:var(--signal);
  border-bottom-color:var(--signal);
}
.page-faq .breadcrumbs__sep{color:var(--turf-lit);}
.page-faq .breadcrumbs__current{color:var(--paper);}

.page-faq .faq-eyebrow{
  display:flex;
  align-items:center;
  gap:12px;
  margin:0 0 18px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--signal);
}
.page-faq .faq-eyebrow::before{
  content:"";
  width:30px;
  height:1px;
  background:var(--signal);
}
.page-faq .faq-hero h1{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(30px,7.4vw,58px);
  line-height:1.1;
  letter-spacing:-.02em;
  margin:0 0 20px;
  max-width:16ch;
}
.page-faq .faq-hero h1 em{
  font-style:normal;
  color:var(--signal);
}
.page-faq .faq-hero__lede{
  max-width:54ch;
  margin:0;
  font-size:clamp(15px,1.7vw,17px);
  line-height:1.85;
  color:rgba(244,241,232,.82);
}
.page-faq .faq-hero__jump{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.page-faq .faq-jump{
  display:inline-flex;
  align-items:center;
  padding:9px 14px;
  border:1px solid rgba(244,241,232,.28);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:13px;
  text-decoration:none;
  transition:border-color .15s var(--ease),color .15s var(--ease),transform .15s var(--ease);
}
.page-faq .faq-jump:hover,
.page-faq .faq-jump:focus-visible{
  border-color:var(--signal);
  color:var(--signal);
  transform:translateX(2px);
}
.page-faq .faq-hero__media{
  position:relative;
  margin:0;
  border:1px solid rgba(79,191,122,.5);
  background:var(--stand);
}
.page-faq .faq-hero__media img{
  width:100%;
  object-fit:cover;
  filter:saturate(.85) brightness(.85);
}
.page-faq .faq-hero__media::after{
  content:"加载中 · 设备适配提示";
  position:absolute;
  top:12px;
  left:12px;
  padding:4px 9px;
  background:var(--signal);
  color:var(--char);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
}
.page-faq .faq-hero__media figcaption{
  padding:10px 13px;
  border-top:1px solid rgba(79,191,122,.35);
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.7;
  letter-spacing:.03em;
  color:var(--mist);
}

/* ---------- 现象索引条 ---------- */
.page-faq .faq-entry-bar{
  background:var(--ink-2);
  border-bottom:1px solid rgba(79,191,122,.28);
}
.page-faq .faq-entry-bar__inner{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
  display:flex;
  align-items:center;
  gap:20px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.page-faq .faq-entry-bar__label{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--turf-lit);
  padding:18px 0;
}
.page-faq .faq-entry-bar__nav{
  display:flex;
  align-items:center;
  flex:0 0 auto;
}
.page-faq .faq-entry-bar__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:18px 0;
  margin-right:26px;
  border-bottom:2px solid transparent;
  color:rgba(244,241,232,.74);
  font-size:14px;
  white-space:nowrap;
  text-decoration:none;
  transition:color .15s var(--ease),border-color .15s var(--ease);
}
.page-faq .faq-entry-bar__link .mono{
  font-size:11px;
  color:var(--turf-lit);
}
.page-faq .faq-entry-bar__link:hover,
.page-faq .faq-entry-bar__link:focus-visible{
  color:var(--signal);
  border-bottom-color:var(--signal);
}
.page-faq .faq-entry-bar__link:hover .mono,
.page-faq .faq-entry-bar__link:focus-visible .mono{color:var(--signal);}

/* ---------- 区块骨架 ---------- */
.page-faq .faq-sec{
  padding:clamp(48px,7vw,90px) 0;
  scroll-margin-top:88px;
}
.page-faq .faq-sec--paper{background:var(--paper);color:var(--char);}
.page-faq .faq-sec--ink{background:var(--ink);color:var(--paper);}
.page-faq .faq-sec__grid{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 var(--gutter);
  display:grid;
  grid-template-columns:1fr;
  gap:30px;
}
.page-faq .faq-sec__col{min-width:0;}

.page-faq .faq-side{min-width:0;}
.page-faq .faq-side__num{
  display:block;
  font-family:var(--font-mono);
  font-size:clamp(46px,9vw,86px);
  font-weight:700;
  line-height:.9;
  letter-spacing:-.03em;
  color:transparent;
  -webkit-text-stroke:1px var(--turf-lit);
  margin-bottom:14px;
}
.page-faq .faq-sec--paper .faq-side__num{-webkit-text-stroke:1px var(--turf);}
.page-faq .faq-side__tag{
  display:inline-block;
  margin:0 0 12px;
  padding:3px 9px;
  background:var(--signal);
  color:var(--char);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.1em;
}
.page-faq .faq-side h2{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(23px,3.6vw,33px);
  line-height:1.2;
  letter-spacing:-.01em;
  margin-bottom:12px;
}
.page-faq .faq-side p{
  font-size:15px;
  line-height:1.8;
  opacity:.78;
  margin:0;
}

/* 设备轮廓示意 */
.page-faq .device-sketch{
  position:relative;
  height:92px;
  margin-top:26px;
  border-bottom:1px solid var(--faq-hair-ink);
  opacity:.45;
}
.page-faq .device-sketch__phone{
  position:absolute;
  left:0;
  bottom:0;
  width:36px;
  height:62px;
  border:1px solid var(--char);
}
.page-faq .device-sketch__tablet{
  position:absolute;
  left:54px;
  bottom:0;
  width:64px;
  height:88px;
  border:1px solid var(--char);
}
.page-faq .device-sketch__bar{
  position:absolute;
  left:62px;
  bottom:44px;
  width:48px;
  height:2px;
  background:var(--turf);
}
.page-faq .device-sketch__dot{
  position:absolute;
  left:14px;
  top:26px;
  width:6px;
  height:6px;
  background:var(--signal);
  opacity:1;
}

/* ---------- 排查步骤 ---------- */
.page-faq .steps{
  border-top:1px solid var(--faq-hair-ink);
  min-width:0;
}
.page-faq .faq-sec--ink .steps{border-top-color:var(--faq-hair);}
.page-faq .step{
  border-bottom:1px solid var(--faq-hair-ink);
}
.page-faq .faq-sec--ink .step{border-bottom-color:var(--faq-hair);}
.page-faq .step__head{
  display:grid;
  grid-template-columns:46px 1fr auto;
  align-items:baseline;
  gap:12px;
  padding:18px 0;
  cursor:pointer;
  list-style:none;
}
.page-faq .step__head::-webkit-details-marker{display:none;}
.page-faq .step__head::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:16px;
  line-height:1;
  color:var(--turf);
  transition:color .15s var(--ease);
}
.page-faq .step[open] .step__head::after{content:"−";color:var(--turf);}
.page-faq .faq-sec--ink .step__head::after{color:var(--signal);}
.page-faq .step__head:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
}
.page-faq .step__num{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--turf);
}
.page-faq .faq-sec--ink .step__num{color:var(--turf-lit);}
.page-faq .step__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(16px,2.1vw,19px);
  line-height:1.45;
  transition:color .15s var(--ease);
}
.page-faq .step__head:hover .step__title{color:var(--turf);}
.page-faq .faq-sec--ink .step__head:hover .step__title{color:var(--signal);}
.page-faq .step__body{
  padding:0 0 22px 58px;
  font-size:15px;
  line-height:1.8;
}
.page-faq .step__body a{
  color:var(--turf);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-faq .step__expect{
  display:block;
  margin:0;
  padding:10px 14px;
  border-left:3px solid var(--turf);
  background:rgba(31,107,69,.08);
  font-size:14px;
}
.page-faq .faq-sec--ink .step__expect{
  border-left-color:var(--signal);
  background:rgba(200,241,53,.10);
}

/* ---------- 双栏故障卡 ---------- */
.page-faq .split-cards{
  display:grid;
  grid-template-columns:1fr;
  border:1px solid var(--faq-hair);
  min-width:0;
}
.page-faq .issue-card{
  padding:24px 22px 26px;
  border-top:1px solid var(--faq-hair);
}
.page-faq .issue-card:first-child{border-top:0;}
.page-faq .issue-card__tag{
  display:inline-block;
  margin:0 0 12px;
  padding:3px 9px;
  border:1px solid var(--signal);
  color:var(--signal);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:700;
  letter-spacing:.1em;
}
.page-faq .issue-card h3{
  font-family:var(--font-display);
  font-weight:700;
  font-size:19px;
  line-height:1.4;
  color:var(--paper);
}
.page-faq .mini-list{
  list-style:none;
  margin:16px 0 0;
  padding:0;
}
.page-faq .mini-list li{
  position:relative;
  padding-left:20px;
  margin-bottom:11px;
  font-size:15px;
  line-height:1.75;
  color:rgba(244,241,232,.82);
}
.page-faq .mini-list li:last-child{margin-bottom:0;}
.page-faq .mini-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.68em;
  width:7px;
  height:7px;
  border:1px solid var(--signal);
}
.page-faq .mini-list--loose li{
  font-size:16px;
  padding-left:24px;
  margin-bottom:16px;
}

/* ---------- 时间顺序 ---------- */
.page-faq .timeline{
  list-style:none;
  margin:0;
  padding:0;
}
.page-faq .timeline__item{
  position:relative;
  padding:0 0 30px 28px;
  border-left:1px solid var(--faq-hair-ink);
}
.page-faq .timeline__item:last-child{
  padding-bottom:0;
  border-left-color:transparent;
}
.page-faq .timeline__item::before{
  content:"";
  position:absolute;
  left:-5px;
  top:5px;
  width:9px;
  height:9px;
  background:var(--turf);
}
.page-faq .timeline__step{
  display:block;
  margin-bottom:7px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--turf);
}
.page-faq .timeline__title{
  font-family:var(--font-display);
  font-weight:700;
  font-size:17px;
  line-height:1.5;
  margin-bottom:7px;
}
.page-faq .timeline__item p{
  margin:0;
  font-size:15px;
  line-height:1.8;
  opacity:.82;
}
.page-faq .faq-inline-note{
  margin:26px 0 0;
  padding-top:18px;
  border-top:1px solid var(--faq-hair-ink);
  font-size:14px;
  line-height:1.8;
  opacity:.8;
}
.page-faq .faq-inline-note--dark{
  border-top-color:var(--faq-hair);
  color:rgba(244,241,232,.78);
}
.page-faq .faq-inline-note a,
.page-faq .link-underline{
  color:var(--turf);
  text-decoration:underline;
  text-underline-offset:3px;
  transition:color .15s var(--ease);
}
.page-faq .faq-inline-note--dark a{
  color:var(--signal);
}
.page-faq .faq-inline-note a:hover,
.page-faq .faq-inline-note a:focus-visible{
  color:var(--char);
}
.page-faq .faq-inline-note--dark a:hover,
.page-faq .faq-inline-note--dark a:focus-visible{
  color:var(--paper);
}

/* ---------- 180 天窗口示意 ---------- */
.page-faq .window-viz{margin-top:26px;}
.page-faq .window-viz__track{
  display:flex;
  height:30px;
  border:1px solid var(--faq-hair);
}
.page-faq .window-viz__fill{
  flex:0 0 62%;
  background:var(--turf);
}
.page-faq .window-viz__empty{
  flex:1;
  background:repeating-linear-gradient(135deg,rgba(244,241,232,.14) 0 4px,transparent 4px 9px);
}
.page-faq .window-viz__legend{
  display:flex;
  justify-content:space-between;
  gap:14px;
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--mist);
}

/* ---------- 横向氛围图 ---------- */
.page-faq .faq-photo{
  position:relative;
  margin:0;
  background:var(--stand);
  border-top:1px solid rgba(79,191,122,.3);
  border-bottom:1px solid rgba(79,191,122,.3);
}
.page-faq .faq-photo img{
  width:100%;
  max-height:420px;
  object-fit:cover;
  filter:brightness(.75) saturate(.9);
}
.page-faq .faq-photo figcaption{
  position:absolute;
  left:0;
  bottom:0;
  right:0;
  padding:16px var(--gutter);
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.7;
  letter-spacing:.03em;
  color:rgba(244,241,232,.9);
  background:linear-gradient(to top,rgba(11,31,23,.92),rgba(11,31,23,0));
}

/* ---------- 导出失败三条原因 ---------- */
.page-faq .export-causes{
  display:grid;
  grid-template-columns:1fr;
  gap:26px;
}
.page-faq .cause{
  border-top:2px solid var(--turf);
  padding-top:16px;
  min-width:0;
}
.page-faq .cause__num{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--turf);
}
.page-faq .cause h3{
  font-family:var(--font-display);
  font-weight:700;
  font-size:18px;
  line-height:1.45;
  margin:8px 0 10px;
}
.page-faq .cause p{
  margin:0;
  font-size:15px;
  line-height:1.8;
  opacity:.82;
}
.page-faq .export-note{
  margin:28px 0 0;
  padding:14px 16px;
  border-left:3px solid var(--turf);
  background:rgba(31,107,69,.08);
  font-size:14px;
  line-height:1.8;
}

/* ---------- 提交材料 ---------- */
.page-faq .ticket-format{
  border:1px solid var(--faq-hair);
  background:rgba(18,58,42,.55);
  padding:20px 18px 22px;
}
.page-faq .ticket-format__label{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--turf-lit);
}
.page-faq .ticket-format__code{
  margin:0;
  padding-left:14px;
  border-left:3px solid var(--signal);
  font-family:var(--font-mono);
  font-size:13px;
  line-height:2;
  color:var(--paper);
  white-space:pre-wrap;
  word-break:break-word;
  overflow-wrap:anywhere;
}
.page-faq .contact-mini{
  margin:24px 0 0;
  display:grid;
  gap:0;
  border-top:1px solid var(--faq-hair);
}
.page-faq .contact-mini__row{
  display:grid;
  grid-template-columns:88px 1fr;
  gap:14px;
  align-items:baseline;
  padding:12px 0;
  border-bottom:1px solid var(--faq-hair);
}
.page-faq .contact-mini dt{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
}
.page-faq .contact-mini dd{
  margin:0;
  font-size:15px;
  color:var(--paper);
  overflow-wrap:anywhere;
}
.page-faq .faq-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}
.page-faq .faq-cta{
  display:inline-flex;
  align-items:center;
  padding:13px 24px;
  background:var(--signal);
  border:1px solid var(--signal);
  color:var(--char);
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  transition:background .15s var(--ease),color .15s var(--ease),transform .15s var(--ease);
}
.page-faq .faq-cta:hover,
.page-faq .faq-cta:focus-visible{
  background:transparent;
  color:var(--signal);
  transform:translateY(-2px);
}
.page-faq .faq-cta--ghost{
  background:transparent;
  color:var(--paper);
  border-color:rgba(244,241,232,.4);
}
.page-faq .faq-cta--ghost:hover,
.page-faq .faq-cta--ghost:focus-visible{
  border-color:var(--signal);
  color:var(--signal);
}
.page-faq a:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
}

/* ---------- 响应式 ---------- */
@media (min-width:720px){
  .page-faq .faq-sec__grid{
    gap:36px;
  }
  .page-faq .split-cards{
    grid-template-columns:1fr 1fr;
  }
  .page-faq .issue-card{
    border-top:0;
  }
  .page-faq .issue-card + .issue-card{
    border-left:1px solid var(--faq-hair);
  }
}

@media (min-width:900px){
  .page-faq .faq-hero{
    padding:32px 0 72px;
  }
  .page-faq .faq-hero__inner{
    grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
    align-items:end;
    gap:clamp(32px,5vw,72px);
  }
  .page-faq .faq-sec__grid{
    grid-template-columns:minmax(0,.82fr) minmax(0,1.6fr);
    gap:clamp(36px,5vw,72px);
    align-items:start;
  }
  .page-faq .faq-side{
    position:sticky;
    top:104px;
  }
}

@media (min-width:1000px){
  .page-faq .export-causes{
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:24px;
    align-items:start;
  }
  .page-faq .export-causes .cause:nth-child(2){margin-top:32px;}
  .page-faq .export-causes .cause:nth-child(3){margin-top:64px;}
}

@media (max-width:600px){
  .page-faq .step__body{padding-left:0;}
  .page-faq .step__head{grid-template-columns:34px 1fr auto;gap:10px;}
  .page-faq .contact-mini__row{grid-template-columns:1fr;gap:4px;}
  .page-faq .faq-cta{width:100%;justify-content:center;}
  .page-faq .faq-hero__media::after{font-size:10px;}
}

@media (prefers-reduced-motion:reduce){
  .page-faq *{
    transition:none !important;
    animation:none !important;
  }
  .page-faq .faq-jump:hover,
  .page-faq .faq-cta:hover{transform:none;}
}
<<<PAGE_CSS_END>>>