.page-contact{
  --pc-muted:rgba(16,19,23,.72);
  --pc-surface:#FBF8F2;
  --pc-flow-gap:clamp(16px,2.4vw,24px);
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-body);
  overflow-x:hidden;
}

/* 面包屑 */
.page-contact .breadcrumb{padding:18px 0 0;}
.page-contact .breadcrumb ol{display:flex;flex-wrap:wrap;gap:10px;list-style:none;margin:0;padding:0;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--gray);}
.page-contact .breadcrumb a{color:var(--gray);text-decoration:none;border-bottom:1px solid transparent;transition:color var(--t-fast),border-color var(--t-fast);}
.page-contact .breadcrumb a:hover{color:var(--orange);border-bottom-color:var(--orange);}
.page-contact .breadcrumb li[aria-current]{color:var(--ink);}
.page-contact .breadcrumb li+li::before{content:"/";margin-right:10px;color:var(--gray);}

/* 首屏 */
.page-contact .contact-hero{
  position:relative;
  margin-top:18px;
  padding:clamp(32px,6vw,72px) 0 clamp(40px,7vw,80px);
  background:var(--ink);
  color:var(--paper);
  overflow:hidden;
}
.page-contact .contact-hero::after{
  content:"";
  position:absolute;
  top:-22%;
  right:-14%;
  width:min(560px,78vw);
  aspect-ratio:1 / 1;
  background:linear-gradient(135deg,var(--red) 0%,var(--purple) 58%,rgba(16,19,23,0) 78%);
  opacity:.34;
  clip-path:polygon(100% 0,100% 100%,0 0);
  pointer-events:none;
}
.page-contact .hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr);gap:clamp(30px,5vw,56px);}
.page-contact .hero-copy .kicker{color:var(--cyan);font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;}
.page-contact .hero-title{
  margin:14px 0 0;
  font-family:var(--font-display);
  font-size:clamp(34px,7.4vw,64px);
  line-height:.98;
  letter-spacing:-.015em;
  color:var(--paper);
}
.page-contact .hero-lede{
  margin:20px 0 0;
  max-width:40ch;
  font-size:clamp(15px,2.2vw,17px);
  line-height:1.75;
  color:var(--on-dark);
}
.page-contact .hero-lines{
  list-style:none;
  margin:clamp(24px,4vw,36px) 0 0;
  padding:0;
  border-top:1px solid var(--line-light);
}
.page-contact .hero-lines li{display:grid;gap:6px;padding:16px 0;border-bottom:1px solid var(--line-light);}
.page-contact .hl-key{font-family:var(--font-serif);font-size:15px;letter-spacing:.08em;color:var(--on-dark-dim);}
.page-contact .hl-val{
  font-family:var(--font-mono);
  font-size:clamp(17px,3.4vw,24px);
  font-weight:600;
  color:var(--paper);
  text-decoration:none;
  word-break:break-all;
  border-bottom:1px solid rgba(244,239,230,.28);
  padding-bottom:2px;
  transition:color var(--t-mid),border-color var(--t-mid);
}
.page-contact .hl-val:hover{color:var(--orange);border-bottom-color:var(--orange);}
.page-contact .hero-note{margin:18px 0 0;max-width:40ch;font-size:14px;line-height:1.7;color:var(--on-dark-dim);}
.page-contact .hero-jump{
  display:inline-block;
  margin-top:22px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(53,224,208,.4);
  transition:color var(--t-mid),border-color var(--t-mid);
}
.page-contact .hero-jump:hover{color:var(--orange);border-bottom-color:var(--orange);}

.page-contact .hero-media .media{overflow:hidden;border:1px solid var(--line-light);}
.page-contact .hero-media img{display:block;width:100%;height:auto;object-fit:cover;}
.page-contact .status-chip{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:14px;
  padding:12px 14px;
  border:1px solid var(--line-light);
  background:rgba(244,239,230,.04);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--on-dark);
  transition:border-color var(--t-mid),background var(--t-mid);
}
.page-contact .status-chip:hover{border-color:var(--cyan);background:rgba(53,224,208,.08);}
.page-contact .chip-dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(53,224,208,.16);}
.page-contact .chip-text{flex:1 1 auto;min-width:0;}
.page-contact .chip-hint{
  flex-basis:100%;
  font-size:11px;
  line-height:1.6;
  letter-spacing:.02em;
  color:var(--on-dark-dim);
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height var(--t-mid),opacity var(--t-mid);
}
.page-contact .status-chip:hover .chip-hint{max-height:80px;opacity:1;}
@media (hover:none){
  .page-contact .chip-hint{max-height:80px;opacity:1;}
}

/* 章节骨架 */
.page-contact .pc-section{padding:clamp(48px,8vw,96px) 0;}
.page-contact .pc-section--blue{background:var(--blue);color:var(--paper);}
.page-contact .pc-section--paper{background:var(--paper);border-top:1px solid var(--line-strong);}
.page-contact .sec-head{max-width:680px;}
.page-contact .index-bar{display:flex;align-items:center;gap:12px;}
.page-contact .index-num{font-family:var(--font-mono);font-size:13px;font-weight:600;letter-spacing:.12em;color:var(--red);}
.page-contact .section-label{font-family:var(--font-serif);font-size:clamp(16px,2.2vw,20px);letter-spacing:.04em;color:var(--ink);}
.page-contact .pc-section--blue .index-num{color:var(--cyan);}
.page-contact .pc-section--blue .section-label{color:var(--paper);}
.page-contact .sec-title{
  margin:16px 0 0;
  font-family:var(--font-display);
  font-size:clamp(26px,4.6vw,44px);
  line-height:1.04;
  letter-spacing:-.01em;
}
.page-contact .sec-lede{margin:16px 0 0;font-size:16px;line-height:1.75;color:var(--pc-muted);}
.page-contact .pc-section--blue .sec-lede{color:var(--on-dark);}

/* 联系方式卡片 */
.page-contact .contact-cards{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(14px,2vw,20px);
  margin-top:clamp(26px,4vw,40px);
}
.page-contact .contact-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  padding:clamp(20px,3vw,28px);
  background:var(--pc-surface);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-1);
  transition:border-color var(--t-mid),box-shadow var(--t-mid);
}
.page-contact .contact-card:hover{border-color:var(--red);box-shadow:var(--shadow-2);}
.page-contact .contact-card .kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--red);text-transform:uppercase;}
.page-contact .contact-value{
  margin:0;
  font-family:var(--font-mono);
  font-size:clamp(16px,2.6vw,20px);
  font-weight:600;
  line-height:1.4;
  word-break:break-word;
  color:var(--ink);
}
.page-contact .contact-value--text{font-family:var(--font-body);font-size:16px;font-weight:600;line-height:1.6;}
.page-contact .contact-desc{margin:0;font-size:15px;line-height:1.75;color:var(--pc-muted);}
.page-contact .card-foot{margin-top:auto;padding-top:8px;}

/* 咨询分类清单 */
.page-contact .chan-list{
  list-style:none;
  margin:clamp(26px,4vw,40px) 0 0;
  padding:0;
  border-top:1px solid var(--line-light);
}
.page-contact .chan-item{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:12px;
  padding:clamp(20px,3vw,26px) 0;
  border-bottom:1px solid var(--line-light);
  transition:background var(--t-mid);
}
.page-contact .chan-item:hover{background:rgba(244,239,230,.05);}
.page-contact .chan-num{font-family:var(--font-mono);font-size:18px;font-weight:600;color:var(--cyan);}
.page-contact .chan-title{margin:0;font-family:var(--font-display);font-size:clamp(19px,2.6vw,23px);line-height:1.2;color:var(--paper);}
.page-contact .chan-text{margin:10px 0 0;max-width:48ch;font-size:15px;line-height:1.75;color:var(--on-dark);}
.page-contact .chan-prep{
  display:grid;
  gap:4px;
  margin-top:0;
  padding-left:12px;
  border-left:2px solid var(--red);
  max-height:0;
  opacity:0;
  overflow:hidden;
  transition:max-height 220ms ease,opacity var(--t-mid),margin-top var(--t-mid);
}
.page-contact .chan-item:hover .chan-prep,
.page-contact .chan-item:focus-within .chan-prep{max-height:140px;opacity:1;margin-top:12px;}
@media (hover:none){
  .page-contact .chan-prep{max-height:none;opacity:1;margin-top:12px;}
}
.page-contact .prep-key{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase;}
.page-contact .prep-val{font-size:14px;line-height:1.7;color:var(--on-dark-dim);}
.page-contact .chan-link{
  align-self:start;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--paper);
  text-decoration:none;
  border-bottom:1px solid rgba(244,239,230,.32);
  padding-bottom:2px;
  transition:color var(--t-mid),border-color var(--t-mid);
}
.page-contact .chan-link:hover{color:var(--orange);border-bottom-color:var(--orange);}

/* 响应流程 */
.page-contact .flow-media{margin-top:clamp(26px,4vw,40px);overflow:hidden;}
.page-contact .flow-media img{display:block;width:100%;height:auto;object-fit:cover;}
.page-contact .flow{
  list-style:none;
  margin:clamp(28px,4vw,44px) 0 0;
  padding:0;
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:var(--pc-flow-gap);
}
.page-contact .flow-step{
  position:relative;
  padding:22px 18px 24px;
  background:var(--pc-surface);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-1);
  transition:border-color var(--t-mid),box-shadow var(--t-mid);
}
.page-contact .flow-step::before{
  content:"";
  position:absolute;
  top:-1px;
  left:-1px;
  right:-1px;
  height:3px;
  background:var(--red);
  transform:scaleX(.24);
  transform-origin:left;
  transition:transform var(--t-mid);
}
.page-contact .flow-step:hover{border-color:var(--red);box-shadow:var(--shadow-2);}
.page-contact .flow-step:hover::before{transform:scaleX(1);}
.page-contact .flow-num{
  display:inline-block;
  padding:4px 8px;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.1em;
}
.page-contact .flow-title{margin:14px 0 8px;font-family:var(--font-display);font-size:18px;line-height:1.25;}
.page-contact .flow-text{margin:0;font-size:15px;line-height:1.7;color:var(--pc-muted);}

/* 合作与反馈 */
.page-contact .coop-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:clamp(28px,4vw,52px);
  margin-top:clamp(26px,4vw,40px);
}
.page-contact .coop-copy p{margin:0 0 16px;max-width:44ch;font-size:15px;line-height:1.8;color:var(--pc-muted);}
.page-contact .coop-stats{display:grid;grid-template-columns:minmax(0,1fr);gap:14px;margin-top:24px;}
.page-contact .coop-stat{
  display:grid;
  gap:4px;
  padding:16px 18px;
  border:1px solid var(--line-strong);
  border-left:3px solid var(--red);
  background:var(--pc-surface);
}
.page-contact .stat-num{font-family:var(--font-mono);font-size:clamp(20px,3.4vw,26px);font-weight:600;color:var(--ink);}
.page-contact .stat-label{font-size:13px;line-height:1.6;color:var(--gray);}
.page-contact .coop-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-strong);}
.page-contact .coop-item{padding:18px 0;border-bottom:1px solid var(--line-strong);}
.page-contact .coop-item-title{margin:0;font-family:var(--font-display);font-size:17px;transition:color var(--t-mid);}
.page-contact .coop-item:hover .coop-item-title{color:var(--red);}
.page-contact .coop-item-text{margin:8px 0 0;font-size:15px;line-height:1.75;color:var(--pc-muted);}
.page-contact .coop-meta{margin:8px 0 0;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--gray);}
.page-contact .coop-foot{margin:20px 0 0;font-size:14px;line-height:1.8;color:var(--pc-muted);}
.page-contact .coop-foot a{color:var(--red);text-decoration:none;border-bottom:1px solid rgba(198,21,43,.35);transition:color var(--t-mid),border-color var(--t-mid);}
.page-contact .coop-foot a:hover{color:var(--orange);border-bottom-color:var(--orange);}

/* 收口索引 */
.page-contact .pc-closing{background:var(--ink);color:var(--paper);padding:clamp(44px,7vw,80px) 0;}
.page-contact .pc-closing .kicker{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--cyan);text-transform:uppercase;}
.page-contact .closing-lede{margin:12px 0 0;max-width:40ch;font-size:clamp(16px,2.4vw,19px);line-height:1.7;color:var(--on-dark);}
.page-contact .closing-list{list-style:none;margin:26px 0 0;padding:0;border-top:1px solid var(--line-light);max-width:820px;}
.page-contact .closing-list li{border-bottom:1px solid var(--line-light);}
.page-contact .closing-list a{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:6px 18px;
  padding:16px 0;
  text-decoration:none;
  color:var(--paper);
  font-family:var(--font-display);
  font-size:clamp(16px,2.4vw,20px);
  transition:color var(--t-mid);
}
.page-contact .closing-list a:hover{color:var(--orange);}
.page-contact .closing-meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--on-dark-dim);}
.page-contact .closing-list a:hover .closing-meta{color:var(--orange);}

/* 断点 */
@media (min-width:640px){
  .page-contact .hero-lines li{grid-template-columns:110px minmax(0,1fr);align-items:baseline;gap:20px;}
  .page-contact .coop-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (min-width:720px){
  .page-contact .contact-cards{grid-template-columns:repeat(3,minmax(0,1fr));}
  .page-contact .chan-item{grid-template-columns:56px minmax(0,1fr);align-items:start;gap:18px;}
  .page-contact .chan-link{grid-column:2;justify-self:start;margin-top:12px;}
}

@media (min-width:820px){
  .page-contact .flow{grid-template-columns:repeat(4,minmax(0,1fr));}
  .page-contact .flow-step::after{
    content:"";
    position:absolute;
    top:28px;
    left:100%;
    width:var(--pc-flow-gap);
    height:1px;
    background:var(--line-strong);
  }
  .page-contact .flow-step:last-child::after{display:none;}
}

@media (min-width:900px){
  .page-contact .chan-item{grid-template-columns:64px minmax(0,1fr) 170px;align-items:start;gap:clamp(18px,3vw,36px);padding:clamp(22px,3vw,30px) 12px;}
  .page-contact .chan-link{grid-column:3;justify-self:end;margin-top:2px;text-align:right;}
}

@media (min-width:960px){
  .page-contact .coop-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);}
}

@media (min-width:1024px){
  .page-contact .contact-hero{padding-bottom:clamp(56px,7vw,88px);}
  .page-contact .hero-grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:end;}
  .page-contact .hero-media{padding-bottom:8px;}
}
<<<END>>>
</main>
</main>