.page-contact{
  --ct-card-bg:linear-gradient(158deg,rgba(18,61,44,.94) 0%,rgba(13,43,32,.78) 100%);
  --ct-card-bg-soft:linear-gradient(158deg,rgba(13,43,32,.92) 0%,rgba(7,26,18,.86) 100%);
  --ct-shadow:0 26px 64px -34px var(--shadow);
  padding-top:calc(var(--header-h) + 1.25rem);
  padding-bottom:clamp(2.5rem,6vw,5rem);
}

.page-contact .breadcrumb{
  margin-bottom:clamp(1.25rem,3vw,2rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position:relative;
  display:grid;
  gap:1.75rem;
  align-items:center;
}
.page-contact .contact-hero-copy{
  position:relative;
  padding-left:1.1rem;
}
.page-contact .contact-hero-copy::before{
  content:"";
  position:absolute;
  left:0;
  top:.35rem;
  bottom:.35rem;
  width:3px;
  border-radius:var(--radius-pill);
  background:linear-gradient(180deg,var(--neon) 0%,var(--neon-cool) 45%,transparent 100%);
}
.page-contact .contact-hero h1{
  font-family:var(--font-head);
  font-weight:700;
  font-size:clamp(2.15rem,7.2vw,4rem);
  line-height:1.06;
  letter-spacing:-.01em;
  text-transform:none;
  color:var(--paper);
  margin:.6rem 0 0;
}
.page-contact .contact-hero .lede{
  margin-top:1.1rem;
  max-width:62ch;
  color:var(--grass);
  font-size:clamp(.98rem,1.6vw,1.08rem);
  line-height:1.75;
}
.page-contact .contact-hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.7rem;
  margin-top:1.6rem;
}
.page-contact .contact-hero-meta{
  list-style:none;
  margin:1.75rem 0 0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:.5rem .65rem;
}
.page-contact .contact-hero-meta li{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  padding:.42rem .85rem;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(18,61,44,.5);
  color:var(--grass);
  font-size:.82rem;
}
.page-contact .contact-hero-meta .mono{
  color:var(--neon);
  font-size:.8rem;
  letter-spacing:.04em;
}
.page-contact .contact-hero-media{
  margin:0;
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--ct-shadow);
  position:relative;
}
.page-contact .contact-hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:inherit;
  background:linear-gradient(200deg,rgba(7,26,18,0) 45%,rgba(3,10,7,.72) 100%);
  pointer-events:none;
}
.page-contact .contact-hero-media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  aspect-ratio:16/9;
  object-fit:cover;
}

/* ---------- 通栏节奏 ---------- */
.page-contact .section{
  margin-top:clamp(2.6rem,6vw,4.5rem);
}
.page-contact .contact-channels{
  display:grid;
  grid-template-columns:1fr;
  gap:.85rem;
  margin-top:1.6rem;
}

/* ---------- 联系渠道卡 ---------- */
.page-contact .channel-card{
  position:relative;
  overflow:hidden;
  padding:1.6rem 1.35rem 1.45rem;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--ct-card-bg-soft);
  box-shadow:var(--ct-shadow);
}
.page-contact .channel-card::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  top:0;
  height:3px;
  background:linear-gradient(90deg,var(--neon),var(--neon-cool),transparent 85%);
}
.page-contact .channel-card--primary{
  background:var(--ct-card-bg);
  border-color:var(--line-strong);
}
.page-contact .channel-card--primary::before{
  background:linear-gradient(90deg,var(--score),var(--signal),transparent 85%);
}
.page-contact .channel-index{
  position:absolute;
  top:1.35rem;
  right:1.3rem;
  font-size:.78rem;
  letter-spacing:.18em;
  color:var(--grass);
  opacity:.7;
}
.page-contact .channel-label{
  font-family:var(--font-head);
  font-size:1.02rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--paper);
  margin:0;
}
.page-contact .channel-card--primary .channel-label{
  color:var(--neon-cool);
}
.page-contact .channel-value{
  margin:.85rem 0 0;
  font-size:clamp(.95rem,2.4vw,1.12rem);
  line-height:1.5;
  color:var(--neon);
  overflow-wrap:anywhere;
  word-break:break-word;
}
.page-contact .channel-card--primary .channel-value{
  color:var(--paper);
}
.page-contact .channel-note{
  margin:.85rem 0 0;
  color:var(--grass);
  font-size:.9rem;
  line-height:1.7;
}
.page-contact .channel-when{
  margin:1.1rem 0 0;
  padding-top:.85rem;
  border-top:1px dashed var(--line);
  font-family:var(--font-mono);
  font-size:.76rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--neon-cool);
}
.page-contact .channel-card:not(.channel-card--primary) .channel-when{
  color:var(--grass);
}

/* ---------- 支持范围 ---------- */
.page-contact .support-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:1.5rem;
  margin-top:1.6rem;
}
.page-contact .support-media{
  margin:0;
  border-radius:var(--radius-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--ct-shadow);
}
.page-contact .support-media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  aspect-ratio:1/1;
  object-fit:cover;
}
.page-contact .support-media figcaption{
  padding:.85rem 1.1rem 1rem;
  color:var(--grass);
  font-size:.82rem;
  line-height:1.6;
  border-top:1px solid var(--line-soft);
}
.page-contact .contact-timeline{
  margin:0;
  padding:0;
  list-style:none;
}
.page-contact .contact-timeline .timeline-item{
  position:relative;
  padding:0 0 1.35rem 1.5rem;
  border-left:1px solid var(--line);
}
.page-contact .contact-timeline .timeline-item:last-child{
  border-left-color:transparent;
  padding-bottom:0;
}
.page-contact .contact-timeline .timeline-item::before{
  content:"";
  position:absolute;
  left:-5px;
  top:.5rem;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--grass);
  opacity:.45;
  transition:background .4s ease,opacity .4s ease,box-shadow .4s ease;
}
.page-contact .contact-timeline .timeline-item[data-lit]::before{
  background:var(--neon);
  opacity:1;
  box-shadow:0 0 0 5px rgba(53,242,194,.14);
}
.page-contact .contact-timeline .timeline-time{
  display:inline-block;
  padding:.2rem .6rem;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  font-size:.72rem;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--neon);
}
.page-contact .contact-timeline h3{
  margin:.7rem 0 0;
  font-family:var(--font-head);
  font-size:clamp(1.12rem,2.4vw,1.35rem);
  line-height:1.3;
  color:var(--paper);
}
.page-contact .contact-timeline p{
  margin:.5rem 0 0;
  color:var(--grass);
  font-size:.92rem;
  line-height:1.75;
  max-width:60ch;
}

/* ---------- 联系前准备 ---------- */
.page-contact .accordion{
  margin-top:1.6rem;
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  overflow:hidden;
  background:rgba(13,43,32,.55);
}
.page-contact .accordion-item + .accordion-item{
  border-top:1px solid var(--line-soft);
}
.page-contact .accordion-heading{
  margin:0;
}
.page-contact .accordion-trigger{
  width:100%;
  display:block;
  text-align:left;
  padding:1.15rem 1.25rem;
  background:transparent;
  border:0;
  cursor:pointer;
  color:var(--paper);
  font-family:var(--font-head);
  font-size:1.06rem;
  letter-spacing:.02em;
  line-height:1.4;
}
.page-contact .accordion-trigger::after{
  content:"＋";
  float:right;
  color:var(--neon);
  font-size:1rem;
  margin-left:1rem;
}
.page-contact .accordion-trigger[aria-expanded="true"]::after{
  content:"－";
  color:var(--signal);
}
.page-contact .accordion-trigger:hover{
  color:var(--neon-cool);
}
.page-contact .accordion-panel{
  padding:0 1.25rem 1.25rem;
}
.page-contact .accordion-panel p{
  margin:0;
  color:var(--grass);
  font-size:.92rem;
  line-height:1.78;
  max-width:70ch;
}

/* ---------- 合作与媒体 ---------- */
.page-contact .partner-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:1rem;
  margin-top:1.6rem;
}
.page-contact .partner-card{
  padding:1.5rem 1.35rem;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--ct-card-bg-soft);
}
.page-contact .partner-card h3{
  margin:0;
  font-family:var(--font-head);
  font-size:1.22rem;
  color:var(--paper);
}
.page-contact .partner-card p{
  margin:.75rem 0 0;
  color:var(--grass);
  font-size:.92rem;
  line-height:1.75;
}
.page-contact .partner-tag{
  display:inline-block;
  margin-top:1rem;
  font-size:.72rem;
  letter-spacing:.08em;
}
.page-contact .partner-stats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:1px;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--line-soft);
}
.page-contact .partner-stats .stat{
  padding:1.35rem 1.15rem;
  background:linear-gradient(160deg,rgba(18,61,44,.95),rgba(7,26,18,.9));
}
.page-contact .partner-stats .stat-value{
  display:block;
  font-size:clamp(1.9rem,5vw,2.5rem);
  line-height:1;
  color:var(--score);
}
.page-contact .partner-stats .stat-label{
  display:block;
  margin-top:.6rem;
  color:var(--grass);
  font-size:.82rem;
  line-height:1.55;
}

/* ---------- 延伸链接 ---------- */
.page-contact .contact-next{
  padding:clamp(1.5rem,4vw,2.4rem);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  background:
    radial-gradient(120% 130% at 8% 0%,rgba(53,242,194,.13),transparent 58%),
    var(--ct-card-bg);
}
.page-contact .contact-next h2{
  margin:0;
  font-family:var(--font-head);
  font-size:clamp(1.4rem,3.2vw,2rem);
  color:var(--paper);
}
.page-contact .contact-next-links{
  display:grid;
  grid-template-columns:1fr;
  gap:.7rem;
  margin-top:1.4rem;
}
.page-contact .contact-next-link{
  display:grid;
  grid-template-columns:auto 1fr;
  grid-template-rows:auto auto;
  column-gap:.85rem;
  align-items:center;
  padding:.95rem 1.05rem;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:rgba(7,26,18,.55);
  text-decoration:none;
  transition:border-color .25s ease,transform .25s ease,background .25s ease;
}
.page-contact .contact-next-link:hover{
  border-color:var(--line-strong);
  background:rgba(18,61,44,.75);
  transform:translateX(3px);
}
.page-contact .contact-next-link:focus-visible{
  outline:2px solid var(--neon);
  outline-offset:2px;
}
.page-contact .contact-next-link .mono{
  grid-row:1 / span 2;
  font-size:.95rem;
  color:var(--score);
  letter-spacing:.06em;
}
.page-contact .contact-next-link strong{
  color:var(--paper);
  font-size:1rem;
  font-weight:600;
}
.page-contact .contact-next-link em{
  font-style:normal;
  color:var(--grass);
  font-size:.84rem;
  line-height:1.55;
}
.page-contact .contact-next-note{
  margin:1.3rem 0 0;
  color:var(--grass);
  font-size:.88rem;
  line-height:1.7;
}

/* ---------- 断点 ---------- */
@media (min-width:640px){
  .page-contact .contact-channels{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-contact .channel-card--primary{
    grid-column:1 / -1;
  }
  .page-contact .partner-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-contact .partner-stats{
    grid-column:1 / -1;
  }
  .page-contact .contact-next-links{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:900px){
  .page-contact .contact-hero{
    grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
    gap:clamp(2rem,4vw,3.4rem);
  }
  .page-contact .contact-hero-copy{
    padding-left:1.4rem;
  }
  .page-contact .contact-hero-media img{
    aspect-ratio:4/3;
  }
  .page-contact .contact-channels{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .page-contact .channel-card--primary{
    grid-column:auto;
  }
  .page-contact .support-grid{
    grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);
    gap:clamp(1.75rem,3.5vw,3rem);
    align-items:start;
  }
  .page-contact .support-media{
    position:sticky;
    top:calc(var(--header-h) + 1.5rem);
  }
  .page-contact .partner-grid{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    grid-template-areas:
      "media community"
      "stats stats";
  }
  .page-contact .partner-card:nth-child(1){ grid-area:media; }
  .page-contact .partner-card:nth-child(2){ grid-area:community; }
  .page-contact .partner-stats{ grid-area:stats; }
}

@media (min-width:1120px){
  .page-contact .partner-grid{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,.8fr);
    grid-template-areas:"media community stats";
  }
  .page-contact .partner-stats{
    grid-template-columns:1fr;
    grid-area:stats;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-contact .contact-next-link{
    transition:none;
  }
  .page-contact .contact-next-link:hover{
    transform:none;
  }
  .page-contact .contact-timeline .timeline-item::before{
    transition:none;
  }
}