.page-faq{
  --faq-hair:rgba(145,168,186,.18);
  --faq-cyan-line:rgba(53,240,208,.22);
  --faq-ink-text:#12222F;
  color:var(--c-text);
  padding-bottom:clamp(48px,7vw,96px);
}
.page-faq .container{
  padding-top:clamp(16px,3vw,28px);
}
.page-faq .breadcrumbs a{
  color:var(--c-mist);
}
.page-faq a:focus-visible,
.page-faq summary:focus-visible{
  outline:2px solid var(--c-cyan);
  outline-offset:3px;
  border-radius:6px;
}

/* ---------- 首屏 ---------- */
.page-faq .faq-hero{
  position:relative;
  margin-top:18px;
  display:grid;
  gap:22px;
  padding:clamp(20px,3.4vw,36px);
  border:1px solid var(--faq-cyan-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:
    radial-gradient(115% 95% at 90% 4%, rgba(53,240,208,.18), transparent 62%),
    linear-gradient(158deg,#0A2135 0%,#071A2C 58%,#05121E 100%);
}
.page-faq .faq-hero::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg, rgba(53,240,208,.07) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(53,240,208,.05) 0 1px, transparent 1px 64px);
  opacity:.7;
}
.page-faq .faq-hero__text{
  position:relative;
  z-index:1;
}
.page-faq .faq-hero h1{
  margin:10px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(1.9rem,6.4vw,3.5rem);
  line-height:1.04;
  letter-spacing:-.02em;
  color:var(--c-title);
}
.page-faq .faq-hero .lede{
  margin-top:14px;
  max-width:56ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;
  color:var(--c-text);
}
.page-faq .faq-jump{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:22px 0 0;
  padding:0;
}
.page-faq .faq-jump a{
  display:inline-block;
  padding:7px 14px;
  border:1px solid var(--faq-cyan-line);
  border-radius:var(--r-pill);
  background:rgba(53,240,208,.06);
  color:var(--c-cyan-soft);
  font-size:14px;
  text-decoration:none;
  transition:background .2s ease, border-color .2s ease, transform .2s ease;
}
.page-faq .faq-jump a:hover{
  background:rgba(53,240,208,.16);
  border-color:rgba(53,240,208,.55);
  transform:translateY(-1px);
}
.page-faq .faq-hero__meta{
  margin-top:18px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--c-mist);
}
.page-faq .faq-hero__art{
  position:relative;
  z-index:1;
  align-self:center;
  border-radius:var(--r-md);
  overflow:hidden;
}
.page-faq .faq-hero__art img,
.page-faq .faq-split__art img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
}

/* ---------- 主布局 ---------- */
.page-faq .faq-layout{
  display:grid;
  gap:22px;
  margin-top:clamp(24px,4vw,40px);
}
.page-faq .faq-rail{
  padding:16px;
  border:1px solid var(--faq-hair);
  border-radius:var(--r-md);
  background:linear-gradient(180deg, rgba(13,42,66,.92), rgba(7,26,44,.88));
}
.page-faq .faq-rail__title{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--c-cyan);
}
.page-faq .faq-rail ul{
  list-style:none;
  display:flex;
  gap:8px;
  margin:0;
  padding:0 0 4px;
  overflow-x:auto;
  scrollbar-width:thin;
}
.page-faq .faq-rail li{
  flex:0 0 auto;
}
.page-faq .faq-rail a{
  display:flex;
  align-items:center;
  gap:8px;
  padding:9px 13px;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  color:var(--c-text);
  font-size:14.5px;
  text-decoration:none;
  white-space:nowrap;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}
.page-faq .faq-rail a .num{
  font-size:11.5px;
  color:var(--c-cyan);
  letter-spacing:.06em;
}
.page-faq .faq-rail a:hover{
  background:rgba(53,240,208,.1);
  border-color:var(--faq-cyan-line);
  color:var(--c-title);
}
.page-faq .faq-rail__note{
  margin:14px 0 0;
  font-size:13px;
  line-height:1.7;
  color:var(--c-mist);
}
.page-faq .faq-rail__note a{
  display:inline;
  padding:0;
  border:0;
  color:var(--c-orange);
  text-decoration:underline;
  text-underline-offset:3px;
  white-space:normal;
}

/* ---------- 问答分组 ---------- */
.page-faq .faq-body{
  min-width:0;
}
.page-faq .faq-group{
  margin-bottom:clamp(24px,4vw,44px);
  scroll-margin-top:88px;
}
.page-faq .faq-group__head{
  padding-left:14px;
  border-left:4px solid var(--c-cyan);
}
.page-faq .faq-group__index{
  display:block;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--c-cyan);
}
.page-faq .faq-group__head h2{
  margin:6px 0 0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(1.35rem,3.4vw,2rem);
  line-height:1.2;
  letter-spacing:-.01em;
  color:var(--c-title);
}
.page-faq .faq-group__head p{
  margin:10px 0 0;
  max-width:62ch;
  font-size:15px;
  line-height:1.75;
  color:var(--c-mist);
}

.page-faq .faq-item{
  margin-top:10px;
  border:1px solid var(--faq-hair);
  border-radius:var(--r-md);
  background:rgba(13,42,66,.55);
  overflow:hidden;
  transition:border-color .24s ease, background .24s ease;
}
.page-faq .faq-item:hover{
  border-color:rgba(53,240,208,.32);
}
.page-faq .faq-item[open]{
  border-color:rgba(53,240,208,.5);
  background:rgba(13,42,66,.9);
}
.page-faq .faq-item summary{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:14px;
  padding:15px 16px;
  cursor:pointer;
  list-style:none;
  font-size:15.5px;
  font-weight:600;
  line-height:1.55;
  color:var(--c-title);
}
.page-faq .faq-item summary::-webkit-details-marker{
  display:none;
}
.page-faq .faq-item__mark{
  flex:0 0 auto;
  width:26px;
  height:26px;
  margin-top:1px;
  display:grid;
  place-items:center;
  border:1px solid var(--faq-cyan-line);
  border-radius:50%;
  color:var(--c-cyan);
  font-family:var(--font-mono);
  font-size:14px;
  transition:background .2s ease, color .2s ease, transform .3s ease;
}
.page-faq .faq-item__mark::before{
  content:"+";
  line-height:1;
}
.page-faq .faq-item[open] .faq-item__mark{
  background:var(--c-cyan);
  color:var(--c-ink);
  transform:rotate(180deg);
}
.page-faq .faq-item[open] .faq-item__mark::before{
  content:"−";
}
.page-faq .faq-item__a{
  padding:0 16px 18px;
  border-top:1px dashed rgba(145,168,186,.22);
  margin-top:0;
}
.page-faq .faq-item__a p{
  margin:12px 0 0;
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-text);
  max-width:66ch;
}
.page-faq .faq-item__a a{
  color:var(--c-cyan-soft);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-faq .faq-steps{
  list-style:none;
  counter-reset:faqstep;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:9px;
}
.page-faq .faq-steps li{
  counter-increment:faqstep;
  position:relative;
  padding-left:38px;
  font-size:14.5px;
  line-height:1.7;
  color:var(--c-text);
}
.page-faq .faq-steps li::before{
  content:counter(faqstep,decimal-leading-zero);
  position:absolute;
  left:0;
  top:2px;
  padding:1px 6px;
  border:1px solid var(--faq-cyan-line);
  border-radius:6px;
  font-family:var(--font-mono);
  font-size:11.5px;
  color:var(--c-cyan);
  background:rgba(53,240,208,.06);
}
.page-faq .faq-status-list{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:9px;
  font-size:14.5px;
  line-height:1.7;
}
.page-faq .faq-status{
  display:inline-block;
  margin-right:4px;
  padding:2px 10px;
  border:1px solid;
  border-radius:var(--r-pill);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
}
.page-faq .faq-status--ok{
  color:var(--c-cyan);
  border-color:rgba(53,240,208,.5);
  background:rgba(53,240,208,.1);
}
.page-faq .faq-status--pending{
  color:var(--c-orange);
  border-color:rgba(255,138,61,.5);
  background:rgba(255,138,61,.1);
}
.page-faq .faq-status--local{
  color:var(--c-mist);
  border-color:rgba(145,168,186,.45);
  background:rgba(145,168,186,.08);
}

/* ---------- 图文分组 ---------- */
.page-faq .faq-split{
  display:grid;
  gap:18px;
  margin-top:16px;
}
.page-faq .faq-split__art{
  border-radius:var(--r-md);
  overflow:hidden;
  padding:12px;
  background:linear-gradient(150deg, rgba(53,240,208,.1), rgba(7,26,44,.6));
  border:1px solid var(--faq-hair);
}
.page-faq .faq-split__art img{
  border-radius:var(--r-sm);
}
.page-faq .faq-split__caption{
  margin:12px 2px 2px;
  font-family:var(--font-serif);
  font-size:13.5px;
  line-height:1.7;
  color:var(--c-cyan-soft);
}

/* ---------- 联系分组（暖纸板） ---------- */
.page-faq .faq-contact{
  padding:clamp(20px,3.2vw,34px);
  border-radius:var(--r-lg);
  background:linear-gradient(170deg,#F6EDDD 0%,var(--c-paper) 100%);
  color:var(--faq-ink-text);
}
.page-faq .faq-contact .faq-group__head{
  border-left-color:var(--c-orange);
  padding-left:14px;
}
.page-faq .faq-contact .faq-group__index{
  color:#B4551F;
}
.page-faq .faq-contact .faq-group__head h2{
  color:#0C1F2D;
}
.page-faq .faq-contact .faq-group__head p{
  color:#42586A;
}
.page-faq .faq-contact__body{
  display:grid;
  gap:14px;
  margin-top:20px;
}
.page-faq .faq-contact__card{
  padding:16px 18px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.62);
  border:1px solid rgba(12,31,45,.1);
}
.page-faq .faq-contact__label{
  margin:0 0 6px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#B4551F;
}
.page-faq .faq-contact__mail{
  margin:0 0 8px;
  font-family:var(--font-mono);
  font-size:clamp(15px,2.6vw,19px);
  font-weight:500;
  color:#0C1F2D;
  word-break:break-all;
}
.page-faq .faq-contact__card p{
  margin:6px 0 0;
  font-size:14.5px;
  line-height:1.75;
  color:#31485A;
}
.page-faq .faq-contact__card a{
  color:#8F3F14;
  text-decoration:underline;
  text-underline-offset:3px;
  font-weight:500;
}
.page-faq .faq-contact__list{
  margin:6px 0 0;
  padding-left:18px;
  display:grid;
  gap:5px;
  font-size:14.5px;
  line-height:1.7;
  color:#31485A;
}

/* ---------- 延伸链接 ---------- */
.page-faq .faq-links{
  margin-top:clamp(20px,3vw,34px);
  padding:20px;
  border:1px solid var(--faq-hair);
  border-radius:var(--r-md);
  background:rgba(3,11,18,.55);
}
.page-faq .faq-links__title{
  margin:0;
  font-family:var(--font-serif);
  font-weight:600;
  font-size:16px;
  letter-spacing:.02em;
  color:var(--c-cyan-soft);
}
.page-faq .faq-links ul{
  list-style:none;
  margin:14px 0 0;
  padding:0;
  display:grid;
  gap:10px;
}
.page-faq .faq-links a{
  display:block;
  padding:11px 14px;
  border-radius:var(--r-sm);
  border:1px solid rgba(145,168,186,.2);
  background:rgba(13,42,66,.5);
  color:var(--c-text);
  font-size:14.5px;
  text-decoration:none;
  transition:border-color .2s ease, color .2s ease, transform .2s ease;
}
.page-faq .faq-links a:hover{
  border-color:var(--faq-cyan-line);
  color:var(--c-title);
  transform:translateX(2px);
}

/* ---------- 断点 ---------- */
@media (min-width:720px){
  .page-faq .faq-hero{
    grid-template-columns:1.15fr .85fr;
    align-items:center;
    gap:clamp(20px,3vw,34px);
  }
  .page-faq .faq-split{
    grid-template-columns:1.1fr .9fr;
    align-items:start;
  }
  .page-faq .faq-contact__body{
    grid-template-columns:1fr 1fr;
  }
  .page-faq .faq-links ul{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .page-faq .faq-links a{
    height:100%;
  }
}

@media (min-width:1024px){
  .page-faq .faq-layout{
    grid-template-columns:222px minmax(0,1fr);
    gap:clamp(24px,3vw,44px);
    align-items:start;
  }
  .page-faq .faq-rail{
    position:sticky;
    top:96px;
    padding:18px 16px;
  }
  .page-faq .faq-rail ul{
    flex-direction:column;
    overflow:visible;
    padding-bottom:0;
    gap:4px;
  }
  .page-faq .faq-rail a{
    width:100%;
    white-space:normal;
  }
  .page-faq .faq-rail a:hover{
    box-shadow:inset 3px 0 0 var(--c-cyan);
  }
  .page-faq .faq-item summary{
    padding:17px 20px;
    font-size:16px;
  }
  .page-faq .faq-item__a{
    padding:0 20px 20px;
  }
  .page-faq .faq-group{
    scroll-margin-top:104px;
  }
}