.page-contact{
  --pc-line:rgba(242,244,247,.10);
  --pc-line-strong:rgba(242,244,247,.20);
  --pc-glass:rgba(22,24,29,.72);
  --pc-warm:linear-gradient(158deg,rgba(232,180,74,.16),rgba(22,24,29,.95) 62%);
  --pc-cool:linear-gradient(158deg,rgba(0,229,208,.14),rgba(22,24,29,.95) 62%);
  background:
    radial-gradient(120% 58% at 10% 0%,rgba(200,16,46,.18),transparent 62%),
    radial-gradient(90% 48% at 94% 10%,rgba(0,229,208,.10),transparent 64%),
    linear-gradient(180deg,var(--c-black) 0%,#10131A 46%,var(--c-bay) 100%);
  color:var(--c-chalk);
  font-family:var(--font-body);
  overflow-x:clip;
}

/* 面包屑 */
.page-contact .pc-breadcrumb-bar{padding-top:clamp(18px,3vw,30px)}
.page-contact .breadcrumbs{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--c-mist)}
.page-contact .breadcrumbs__link{color:var(--c-mist);text-decoration:none;border-bottom:1px solid transparent;transition:color .25s var(--ease),border-color .25s var(--ease)}
.page-contact .breadcrumbs__link:hover,.page-contact .breadcrumbs__link:focus-visible{color:var(--c-volt);border-color:var(--c-volt)}
.page-contact .breadcrumbs__sep{color:var(--c-rail)}
.page-contact .breadcrumbs__current{color:var(--c-chalk)}

/* 首屏 */
.page-contact .pc-hero{padding-top:clamp(26px,4vw,48px);padding-bottom:clamp(24px,4vw,40px)}
.page-contact .pc-hero__grid{display:grid;gap:clamp(24px,4vw,44px)}
.page-contact .pc-hero__copy h1{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(2rem,5.6vw,3.5rem);
  line-height:1.06;
  letter-spacing:-.03em;
  margin:.7rem 0 1rem;
  color:var(--c-chalk);
}
.page-contact .pc-hero__lede{
  font-family:var(--font-serif);
  font-weight:500;
  font-size:clamp(1rem,1.4vw,1.1rem);
  line-height:1.95;
  color:rgba(242,244,247,.84);
  max-width:46ch;
  margin:0;
}
.page-contact .pc-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.page-contact .pc-hero__actions .btn{text-decoration:none}
.page-contact .pc-hero__facts{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:18px 24px;
  margin:30px 0 0;
  padding-top:22px;
  border-top:1px solid var(--pc-line);
}
.page-contact .pc-hero__fact dt{font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--c-mist)}
.page-contact .pc-hero__fact dd{margin:8px 0 0;font-family:var(--font-display);font-weight:800;font-size:1rem;color:var(--c-chalk)}
.page-contact .pc-hero__media{
  position:relative;
  margin:0;
  overflow:hidden;
  border-radius:var(--radius-l);
  border:1px solid var(--pc-line-strong);
  box-shadow:var(--shadow-float);
  background:var(--c-bay);
}
.page-contact .pc-hero__media .media-frame__img{display:block;width:100%;height:auto;aspect-ratio:7/5;object-fit:cover}
.page-contact .pc-ticks{
  height:10px;
  margin-top:clamp(26px,4vw,46px);
  background-image:repeating-linear-gradient(90deg,var(--c-volt) 0 1px,transparent 1px 34px);
  opacity:.32;
}

/* 区块标题 */
.page-contact .pc-section-head{max-width:62ch;margin-bottom:clamp(22px,3.4vw,40px)}
.page-contact .pc-section-head h2{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(1.5rem,3.2vw,2.2rem);
  line-height:1.22;
  letter-spacing:-.02em;
  margin:.6rem 0 .8rem;
  color:var(--c-chalk);
}
.page-contact .pc-section-lede{margin:0;color:var(--c-mist);line-height:1.85;max-width:58ch}
.page-contact .pc-band__heading{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(1.35rem,2.6vw,1.8rem);
  letter-spacing:-.02em;
  margin:0 0 clamp(20px,3vw,30px);
  color:var(--c-chalk);
}

/* 两条通路 */
.page-contact .pc-channels__grid{display:grid;gap:18px}
.page-contact .pc-channel{
  position:relative;
  padding:clamp(22px,3vw,34px);
  border-radius:var(--radius-l);
  border:1px solid var(--pc-line-strong);
  overflow:hidden;
}
.page-contact .pc-channel--person{background:var(--pc-warm)}
.page-contact .pc-channel--enterprise{background:var(--pc-cool)}
.page-contact .pc-channel::before{content:"";position:absolute;inset:0 0 auto 0;height:3px}
.page-contact .pc-channel--person::before{background:linear-gradient(90deg,var(--c-gold),rgba(232,180,74,0))}
.page-contact .pc-channel--enterprise::before{background:linear-gradient(90deg,var(--c-volt),rgba(0,229,208,0))}
.page-contact .pc-channel h3{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(1.15rem,2vw,1.35rem);
  letter-spacing:-.01em;
  margin:16px 0 10px;
  color:var(--c-chalk);
}
.page-contact .pc-channel__lede{margin:0 0 18px;color:rgba(242,244,247,.78);line-height:1.85}
.page-contact .pc-channel__list{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.page-contact .pc-channel__list li{position:relative;padding-left:20px;line-height:1.75;color:rgba(242,244,247,.92)}
.page-contact .pc-channel__list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--c-gold);
}
.page-contact .pc-channel--enterprise .pc-channel__list li::before{background:var(--c-volt)}
.page-contact .pc-channel__note{
  margin:22px 0 0;
  padding-top:16px;
  border-top:1px solid var(--pc-line);
  font-family:var(--font-mono);
  font-size:13px;
  line-height:1.9;
  color:var(--c-mist);
  word-break:break-all;
}

/* 联系方式信息带 */
.page-contact .pc-band__grid{display:grid;gap:16px;grid-template-columns:1fr}
.page-contact .pc-band-card{
  padding:22px 24px;
  border-radius:var(--radius-m);
  border:1px solid var(--pc-line);
  background:var(--pc-glass);
  backdrop-filter:blur(10px);
}
.page-contact .pc-band-card__label{
  margin:0 0 12px;
  font-family:var(--font-serif);
  font-weight:500;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--c-gold);
}
.page-contact .pc-band-card__value{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:clamp(.98rem,1.7vw,1.1rem);
  line-height:1.55;
  color:var(--c-volt);
  word-break:break-all;
}
.page-contact .pc-band-card__desc{margin:0;color:var(--c-mist);line-height:1.85;font-size:.94rem}

/* 发送前自查清单 */
.page-contact .pc-check__grid{display:grid;gap:18px}
.page-contact .pc-check{
  padding:clamp(20px,2.8vw,30px);
  border-radius:var(--radius-l);
  border:1px solid var(--pc-line);
  background:var(--c-bay);
}
.page-contact .pc-check--enterprise{border-color:rgba(0,229,208,.28)}
.page-contact .pc-check h3{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.08rem;
  letter-spacing:-.01em;
  margin:0;
  color:var(--c-chalk);
}
.page-contact .pc-check__list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:13px}
.page-contact .pc-check__list li{display:flex;gap:12px;align-items:flex-start;line-height:1.75;color:rgba(242,244,247,.9)}
.page-contact .pc-check__box{
  flex:0 0 auto;
  width:16px;
  height:16px;
  margin-top:.42em;
  border:1px solid var(--c-ink-volt);
  border-radius:3px;
  position:relative;
}
.page-contact .pc-check--enterprise .pc-check__box{border-color:var(--c-gold)}
.page-contact .pc-check__box::after{
  content:"";
  position:absolute;
  left:4px;
  top:1px;
  width:5px;
  height:9px;
  border-right:1.5px solid rgba(11,122,114,.55);
  border-bottom:1.5px solid rgba(11,122,114,.55);
  transform:rotate(42deg);
}
.page-contact .pc-check--enterprise .pc-check__box::after{
  border-right-color:rgba(232,180,74,.6);
  border-bottom-color:rgba(232,180,74,.6);
}

/* 回复节奏 */
.page-contact .pc-rhythm__grid{display:grid;gap:clamp(22px,3.4vw,36px)}
.page-contact .pc-rhythm__list{list-style:none;margin:0;padding:0}
.page-contact .pc-rhythm__item{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  padding:18px 0;
  border-top:1px solid var(--pc-line);
}
.page-contact .pc-rhythm__item:last-child{border-bottom:1px solid var(--pc-line)}
.page-contact .pc-rhythm__num{font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;color:var(--c-volt);padding-top:4px}
.page-contact .pc-rhythm__body h3{
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.05rem;
  letter-spacing:-.01em;
  margin:0 0 8px;
  color:var(--c-chalk);
}
.page-contact .pc-rhythm__body p{margin:0;color:var(--c-mist);line-height:1.85}
.page-contact .pc-rhythm__media{
  position:relative;
  margin:0;
  overflow:hidden;
  border-radius:var(--radius-l);
  border:1px solid var(--pc-line);
  background:var(--c-bay);
}
.page-contact .pc-rhythm__media .media-frame__img{display:block;width:100%;height:auto;aspect-ratio:25/16;object-fit:cover}

/* 合作与建议 */
.page-contact .pc-collab__note{
  margin:22px 0 0;
  font-family:var(--font-mono);
  font-size:13px;
  line-height:1.9;
  color:var(--c-mist);
  word-break:break-all;
}

/* 延伸入口 */
.page-contact .pc-next__grid{display:grid;gap:14px}
.page-contact .pc-next__card{
  display:block;
  padding:22px;
  border-radius:var(--radius-m);
  border:1px solid var(--pc-line);
  background:rgba(31,35,43,.6);
  text-decoration:none;
  color:inherit;
  transition:border-color .3s var(--ease),transform .3s var(--ease),background-color .3s var(--ease);
}
.page-contact .pc-next__card:hover,
.page-contact .pc-next__card:focus-visible{border-color:var(--c-volt);background:rgba(31,35,43,.9);transform:translateY(-3px)}
.page-contact .pc-next__num{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;color:var(--c-volt)}
.page-contact .pc-next__title{
  display:block;
  font-family:var(--font-display);
  font-weight:800;
  font-size:1.05rem;
  letter-spacing:-.01em;
  margin:12px 0 8px;
  color:var(--c-chalk);
}
.page-contact .pc-next__desc{display:block;color:var(--c-mist);font-size:.92rem;line-height:1.8}

/* 断点 */
@media (min-width:760px){
  .page-contact .pc-band__grid{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
  .page-contact .pc-next__grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:860px){
  .page-contact .pc-channels__grid{grid-template-columns:1fr 1fr}
  .page-contact .pc-check__grid{grid-template-columns:1fr 1fr}
}
@media (min-width:920px){
  .page-contact .pc-hero__grid{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);align-items:end}
  .page-contact .pc-hero__media .media-frame__img{aspect-ratio:7/6}
}
@media (min-width:960px){
  .page-contact .pc-rhythm__grid{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:start}
}
@media (min-width:1040px){
  .page-contact .pc-next__grid{grid-template-columns:repeat(4,1fr)}
}
@media (prefers-reduced-motion:reduce){
  .page-contact .pc-next__card{transition:none}
  .page-contact .pc-next__card:hover{transform:none}
}
</main>