.page-faq{
  --faq-panel:rgba(14,11,26,.82);
  --faq-edge:rgba(169,155,199,.2);
  --faq-edge-strong:rgba(0,229,255,.42);
  --faq-body-text:rgba(245,241,255,.78);
  background:var(--sg-night);
  color:var(--sg-mist);
  overflow-x:hidden;
}

.page-faq .faq-crumb{
  padding-top:calc(var(--sg-header-h) + 16px);
  padding-bottom:4px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  padding:8px 0 44px;
  isolation:isolate;
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:
    linear-gradient(118deg,rgba(108,43,255,.26),transparent 58%),
    radial-gradient(circle at 84% 12%,rgba(0,229,255,.16),transparent 48%);
  pointer-events:none;
}
.page-faq .faq-hero::after{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background-image:
    repeating-linear-gradient(0deg,rgba(169,155,199,.07) 0 1px,transparent 1px 46px),
    repeating-linear-gradient(90deg,rgba(169,155,199,.07) 0 1px,transparent 1px 46px);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  pointer-events:none;
}
.page-faq .faq-hero__inner{
  position:relative;
  display:grid;
  gap:30px;
  align-items:center;
}
.page-faq .faq-hero__title{
  margin:10px 0 16px;
  font-family:var(--sg-sans);
  font-weight:900;
  font-size:clamp(34px,8.4vw,66px);
  line-height:1.02;
  letter-spacing:-.03em;
  transform:skewX(-6deg);
  transform-origin:left bottom;
  color:var(--sg-mist);
}
.page-faq .faq-hero__title em{
  font-style:normal;
  background:linear-gradient(96deg,var(--sg-cyan) 6%,var(--sg-violet-lift) 88%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-faq .faq-hero__lead{
  margin:0;
  max-width:54ch;
  font-size:15px;
  line-height:1.8;
  color:var(--faq-body-text);
}
.page-faq .faq-hero__stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px 30px;
  margin:26px 0 26px;
  padding:0;
  list-style:none;
}
.page-faq .faq-hero__stat{
  display:flex;
  flex-direction:column;
  gap:4px;
  padding-left:12px;
  border-left:2px solid var(--sg-violet);
}
.page-faq .faq-hero__stat:nth-child(2){border-left-color:var(--sg-cyan);}
.page-faq .faq-hero__stat:nth-child(3){border-left-color:var(--sg-orange);}
.page-faq .faq-num{
  font-family:var(--sg-mono);
  font-variant-numeric:tabular-nums;
  font-size:26px;
  font-weight:700;
  line-height:1;
  color:var(--sg-cyan);
}
.page-faq .faq-hero__stat:nth-child(3) .faq-num{color:var(--sg-orange);}
.page-faq .faq-hero__stat span:last-child{
  font-size:11px;
  letter-spacing:.12em;
  color:var(--sg-blueprint);
}
.page-faq .faq-hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.page-faq .faq-hero__media{
  margin:0;
  position:relative;
  aspect-ratio:3/2;
  overflow:hidden;
  border:1px solid var(--faq-edge);
  background:linear-gradient(150deg,rgba(108,43,255,.24),rgba(7,7,13,.9));
  box-shadow:var(--sg-shadow);
}
.page-faq .faq-hero__media .sg-media__img{
  display:block;
  width:100%;
  height:100%;
  max-width:100%;
  object-fit:cover;
}

/* ---------- 分类索引 ---------- */
.page-faq .faq-index{
  padding:6px 0 44px;
  border-top:1px solid var(--sg-line-soft);
  padding-top:28px;
}
.page-faq .faq-index__title{
  margin:8px 0 0;
  font-size:clamp(19px,3.6vw,26px);
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--sg-mist);
}
.page-faq .faq-index__list{
  display:grid;
  gap:10px;
  margin:20px 0 0;
  padding:0;
  list-style:none;
}
.page-faq .faq-index__link{
  display:grid;
  grid-template-columns:auto 1fr;
  grid-template-rows:auto auto;
  gap:2px 14px;
  padding:14px 18px;
  border:1px solid var(--faq-edge);
  background:linear-gradient(160deg,rgba(108,43,255,.16),rgba(7,7,13,0) 72%);
  color:var(--sg-mist);
  text-decoration:none;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%);
  transition:border-color .2s var(--sg-ease),transform .2s var(--sg-ease),background .2s var(--sg-ease);
}
.page-faq .faq-index__link:hover,
.page-faq .faq-index__link:focus-visible{
  border-color:var(--faq-edge-strong);
  background:linear-gradient(160deg,rgba(0,229,255,.16),rgba(7,7,13,0) 76%);
  transform:translateY(-2px);
}
.page-faq .faq-index__num{
  grid-row:span 2;
  align-self:center;
  font-family:var(--sg-mono);
  font-variant-numeric:tabular-nums;
  font-size:19px;
  font-weight:700;
  color:var(--sg-cyan);
}
.page-faq .faq-index__label{
  font-size:15px;
  font-weight:700;
  letter-spacing:-.01em;
}
.page-faq .faq-index__meta{
  font-family:var(--sg-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--sg-blueprint);
}

/* ---------- 问答主体 ---------- */
.page-faq .faq-body__inner{
  display:grid;
  gap:30px;
  align-items:start;
}
.page-faq .faq-rail{
  padding:16px;
  border:1px solid var(--faq-edge);
  background:var(--faq-panel);
}
.page-faq .faq-rail__list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:14px 0 0;
  padding:0;
  list-style:none;
}
.page-faq .faq-rail__link{
  display:block;
  padding:7px 12px;
  font-size:13px;
  color:var(--sg-blueprint);
  text-decoration:none;
  border:1px solid transparent;
  transition:color .2s var(--sg-ease),border-color .2s var(--sg-ease);
}
.page-faq .faq-rail__link:hover,
.page-faq .faq-rail__link:focus-visible{
  color:var(--sg-cyan);
  border-color:var(--faq-edge-strong);
}
.page-faq .faq-rail__status{
  margin-top:18px;
  padding-top:14px;
  border-top:1px solid var(--sg-line-soft);
}
.page-faq .faq-rail__status-line{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 0 6px;
  font-family:var(--sg-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--sg-mint);
}
.page-faq .faq-rail__status-meta{
  margin:0 0 4px;
  font-size:12px;
  line-height:1.6;
  color:var(--sg-blueprint);
}

.page-faq .faq-group{
  padding-bottom:36px;
}
.page-faq .faq-group:last-child{
  padding-bottom:0;
}
.page-faq .faq-group__head{
  display:flex;
  align-items:baseline;
  gap:12px;
}
.page-faq .faq-group__num{
  font-family:var(--sg-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--sg-violet-lift);
}
.page-faq .faq-group__title{
  margin:0;
  font-size:clamp(20px,4.2vw,28px);
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--sg-mist);
}
.page-faq .faq-group__note{
  margin:8px 0 16px;
  max-width:58ch;
  font-size:13px;
  line-height:1.75;
  color:var(--sg-blueprint);
}

.page-faq .faq-item{
  border-top:1px solid var(--sg-line);
}
.page-faq .faq-item:last-of-type{
  border-bottom:1px solid var(--sg-line);
}
.page-faq .faq-item summary{
  position:relative;
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:16px 34px 16px 0;
  list-style:none;
  cursor:pointer;
  font-size:15px;
  font-weight:600;
  line-height:1.65;
  color:var(--sg-mist);
  transition:color .2s var(--sg-ease);
}
.page-faq .faq-item summary::-webkit-details-marker{display:none;}
.page-faq .faq-item summary::after{
  content:"+";
  position:absolute;
  right:2px;
  top:13px;
  font-family:var(--sg-mono);
  font-size:21px;
  line-height:1;
  color:var(--sg-cyan);
  transition:transform .2s var(--sg-ease);
}
.page-faq .faq-item[open] summary{color:var(--sg-cyan);}
.page-faq .faq-item[open] summary::after{transform:rotate(45deg);}
.page-faq .faq-item summary:hover{color:var(--sg-cyan);}
.page-faq .faq-item summary:focus-visible{outline:2px solid var(--sg-cyan);outline-offset:2px;}
.page-faq .faq-item__qindex{
  flex:none;
  padding-top:3px;
  font-family:var(--sg-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.1em;
  color:var(--sg-blueprint);
}
.page-faq .faq-item__q{flex:1;}
.page-faq .faq-item__a{
  padding:0 30px 20px 0;
  font-size:14px;
  line-height:1.85;
  color:var(--faq-body-text);
}
.page-faq .faq-item__a p{margin:0 0 10px;}
.page-faq .faq-item__a p:last-child{margin-bottom:0;}
.page-faq .faq-item__a a{
  color:var(--sg-cyan);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-faq .faq-money{
  font-family:var(--sg-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  color:var(--sg-orange);
}

/* ---------- 费用速览 ---------- */
.page-faq .faq-cost{
  padding:48px 0;
  background:linear-gradient(180deg,rgba(14,11,26,.94),rgba(7,7,13,1));
  border-top:1px solid var(--sg-line-soft);
  border-bottom:1px solid var(--sg-line-soft);
}
.page-faq .faq-cost__inner{
  display:grid;
  gap:30px;
  align-items:center;
}
.page-faq .faq-cost__media{
  margin:0;
  aspect-ratio:5/4;
  overflow:hidden;
  border:1px solid var(--faq-edge);
  background:linear-gradient(160deg,rgba(0,229,255,.17),rgba(7,7,13,.92));
}
.page-faq .faq-cost__media .sg-media__img{
  display:block;
  width:100%;
  height:100%;
  max-width:100%;
  object-fit:cover;
}
.page-faq .faq-cost__title{
  margin:10px 0 12px;
  font-size:clamp(22px,4.6vw,32px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.02em;
  color:var(--sg-mist);
}
.page-faq .faq-cost__lead{
  margin:0;
  max-width:52ch;
  font-size:14px;
  line-height:1.8;
  color:var(--faq-body-text);
}
.page-faq .faq-cost__grid{
  display:grid;
  gap:12px;
  margin-top:22px;
}
.page-faq .faq-cost__card{
  padding:16px 18px;
  border:1px solid var(--faq-edge);
  border-left-width:3px;
  background:var(--faq-panel);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);
}
.page-faq .faq-cost__card--violet{border-left-color:var(--sg-violet);}
.page-faq .faq-cost__card--cyan{border-left-color:var(--sg-cyan);}
.page-faq .faq-cost__card--orange{border-left-color:var(--sg-orange);}
.page-faq .faq-cost__card-label{
  margin:0 0 8px;
  font-size:11px;
  letter-spacing:.12em;
  color:var(--sg-blueprint);
}
.page-faq .faq-cost__card-num{
  margin:0 0 6px;
  font-family:var(--sg-mono);
  font-variant-numeric:tabular-nums;
  font-size:24px;
  font-weight:700;
  line-height:1;
  color:var(--sg-mist);
}
.page-faq .faq-cost__card--cyan .faq-cost__card-num{color:var(--sg-cyan);}
.page-faq .faq-cost__card--orange .faq-cost__card-num{color:var(--sg-orange);}
.page-faq .faq-cost__card-note{
  margin:0;
  font-size:12px;
  line-height:1.6;
  color:var(--sg-blueprint);
}
.page-faq .faq-cost__foot{
  margin:18px 0 0;
  font-size:13px;
  color:var(--sg-blueprint);
}
.page-faq .faq-cost__foot a{
  color:var(--sg-cyan);
  text-decoration:underline;
  text-underline-offset:3px;
}

/* ---------- 人工接续 ---------- */
.page-faq .faq-support{
  padding:48px 0 72px;
}
.page-faq .faq-support__panel{
  position:relative;
  padding:26px 20px;
  border:1px solid var(--sg-line-cyan);
  background:
    linear-gradient(140deg,rgba(108,43,255,.22),rgba(7,7,13,.96) 62%),
    var(--sg-deep);
  box-shadow:var(--sg-shadow);
  overflow:hidden;
}
.page-faq .faq-support__panel::after{
  content:"";
  position:absolute;
  right:-60px;
  top:-60px;
  width:200px;
  height:200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,229,255,.2),transparent 68%);
  pointer-events:none;
}
.page-faq .faq-support__title{
  margin:10px 0 12px;
  font-size:clamp(21px,4.6vw,30px);
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--sg-mist);
}
.page-faq .faq-support__lead{
  margin:0;
  max-width:54ch;
  font-size:14px;
  line-height:1.8;
  color:var(--faq-body-text);
}
.page-faq .faq-support__channels{
  display:grid;
  gap:10px;
  margin:22px 0 22px;
  padding:0;
  list-style:none;
}
.page-faq .faq-support__channels li{
  display:flex;
  flex-direction:column;
  gap:3px;
  padding:11px 14px;
  border-left:2px solid var(--sg-cyan);
  background:rgba(7,7,13,.62);
}
.page-faq .faq-support__label{
  font-family:var(--sg-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:var(--sg-blueprint);
}
.page-faq .faq-support__value{
  font-family:var(--sg-mono);
  font-size:14px;
  word-break:break-word;
  color:var(--sg-mist);
}
.page-faq .faq-support__channels li:nth-child(2) .faq-support__value{color:var(--sg-cyan);}
.page-faq .faq-support__actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 响应式 ---------- */
@media (min-width:600px){
  .page-faq .faq-index__list{
    grid-template-columns:repeat(2,1fr);
  }
  .page-faq .faq-cost__grid{
    grid-template-columns:repeat(3,1fr);
  }
  .page-faq .faq-support__panel{
    padding:34px 28px;
  }
  .page-faq .faq-support__channels{
    grid-template-columns:repeat(3,1fr);
    gap:12px;
  }
}

@media (min-width:900px){
  .page-faq .faq-hero{
    padding:16px 0 60px;
  }
  .page-faq .faq-hero__inner{
    grid-template-columns:1.06fr .94fr;
    gap:52px;
  }
  .page-faq .faq-hero__lead{
    font-size:16px;
  }
  .page-faq .faq-index__list{
    grid-template-columns:repeat(5,1fr);
    gap:12px;
  }
  .page-faq .faq-index__link{
    grid-template-columns:1fr;
    grid-template-rows:auto auto auto;
    padding:18px 16px;
  }
  .page-faq .faq-index__num{
    grid-row:auto;
    font-size:22px;
    margin-bottom:10px;
  }
  .page-faq .faq-body__inner{
    grid-template-columns:236px minmax(0,1fr);
    gap:56px;
  }
  .page-faq .faq-rail{
    position:sticky;
    top:calc(var(--sg-header-h) + 24px);
  }
  .page-faq .faq-rail__list{
    flex-direction:column;
    flex-wrap:nowrap;
    gap:2px;
  }
  .page-faq .faq-rail__link{
    padding:9px 12px;
    border:1px solid transparent;
    border-left:2px solid var(--sg-line);
  }
  .page-faq .faq-rail__link:hover,
  .page-faq .faq-rail__link:focus-visible{
    border-left-color:var(--sg-cyan);
    border-top-color:transparent;
    border-right-color:transparent;
    border-bottom-color:transparent;
  }
  .page-faq .faq-cost__inner{
    grid-template-columns:.86fr 1.14fr;
    gap:52px;
  }
  .page-faq .faq-support__panel{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:16px 48px;
    align-items:center;
    padding:44px;
  }
  .page-faq .faq-support__channels{
    grid-template-columns:1fr;
    margin:0;
  }
  .page-faq .faq-support__actions{
    grid-column:1 / -1;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-faq .faq-index__link,
  .page-faq .faq-item summary::after{
    transition:none;
  }
  .page-faq .faq-index__link:hover{
    transform:none;
  }
}
<<<END>>>