.page-contact{
  --pc-hair:rgba(127,184,201,.20);
  --pc-hair-soft:rgba(18,48,85,.62);
  --pc-accent:var(--c-neon);
  background:var(--c-deep);
  color:var(--c-cream);
  overflow-x:hidden;
}

.page-contact img{
  max-width:100%;
  height:auto;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible{
  outline:2px solid var(--c-neon);
  outline-offset:3px;
}

.page-contact .annotation{
  color:var(--c-mist);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero{
  position:relative;
  padding:clamp(28px,4vw,52px) 0 0;
}

.page-contact .pc-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(620px 380px at 8% 0%, rgba(42,27,74,.92), transparent 70%),
    radial-gradient(520px 320px at 92% 6%, rgba(61,255,158,.10), transparent 72%),
    radial-gradient(420px 260px at 55% -6%, rgba(255,90,43,.12), transparent 74%);
  pointer-events:none;
}

.page-contact .pc-hero > *{
  position:relative;
  z-index:1;
}

.page-contact .pc-hero-grid{
  display:grid;
  gap:30px;
  margin-top:26px;
}

.page-contact .pc-hero-copy .display-1{
  margin:14px 0 20px;
  max-width:15ch;
  letter-spacing:-.02em;
}

.page-contact .pc-hero-copy .lede{
  max-width:52ch;
  color:rgba(244,234,216,.78);
}

.page-contact .pc-quick{
  position:relative;
  padding:26px 24px 22px;
  background:linear-gradient(158deg, rgba(42,27,74,.72), rgba(7,19,39,.92));
  border:1px solid var(--pc-hair);
  clip-path:var(--clip-cut);
}

.page-contact .pc-quick::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:72px;
  height:2px;
  background:linear-gradient(90deg, var(--c-neon), var(--c-orange));
}

.page-contact .pc-quick-title{
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-mist);
}

.page-contact .pc-quick-list{
  list-style:none;
  margin:0 0 18px;
  padding:0;
}

.page-contact .pc-quick-list li{
  position:relative;
  padding:11px 0 11px 20px;
  font-size:15px;
  line-height:1.6;
  color:rgba(244,234,216,.86);
  border-bottom:1px solid rgba(18,48,85,.85);
}

.page-contact .pc-quick-list li:last-child{
  border-bottom:0;
}

.page-contact .pc-quick-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:20px;
  width:8px;
  height:8px;
  background:var(--c-neon);
  clip-path:polygon(0 0,100% 0,100% 100%);
}

.page-contact .pc-quick-foot{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-neon);
}

.page-contact .pc-banner{
  position:relative;
  margin:clamp(32px,5vw,64px) 0 0;
  overflow:hidden;
  clip-path:polygon(0 0, 100% 0, 100% calc(100% - 72px), 0 100%);
}

.page-contact .pc-banner img{
  display:block;
  width:100%;
  height:clamp(180px,28vw,380px);
  object-fit:cover;
  object-position:center 62%;
  filter:saturate(.85) contrast(1.06);
}

.page-contact .pc-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(7,19,39,.58) 0%, rgba(7,19,39,.14) 42%, rgba(7,19,39,.96) 100%);
  pointer-events:none;
}

/* ---------- 通用区头 ---------- */

.page-contact .pc-head{
  max-width:780px;
  margin-bottom:clamp(30px,4vw,48px);
}

.page-contact .pc-head h2{
  margin:12px 0 14px;
}

.page-contact .pc-head-lede{
  margin:0;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;
  color:rgba(244,234,216,.72);
}

/* ---------- 四个通道 ---------- */

.page-contact .pc-routes{
  padding:clamp(56px,7vw,96px) 0;
}

.page-contact .pc-route-grid{
  display:grid;
  gap:var(--gap);
  grid-template-columns:1fr;
}

.page-contact .pc-route{
  position:relative;
  padding:26px 24px 22px;
  background:linear-gradient(155deg, rgba(18,48,85,.72), rgba(7,19,39,.88));
  border:1px solid var(--pc-hair);
  clip-path:var(--clip-cut);
  transition:transform .3s ease, border-color .3s ease, background .3s ease;
}

.page-contact .pc-route:nth-of-type(1){ --pc-accent:var(--c-neon); }
.page-contact .pc-route:nth-of-type(2){ --pc-accent:var(--c-orange); }
.page-contact .pc-route:nth-of-type(3){ --pc-accent:var(--c-amber); }
.page-contact .pc-route:nth-of-type(4){ --pc-accent:var(--c-mist); }

.page-contact .pc-route:hover,
.page-contact .pc-route:focus-within{
  transform:translateY(-4px);
  border-color:var(--c-neon);
  background:linear-gradient(155deg, rgba(18,48,85,.86), rgba(7,19,39,.94));
}

.page-contact .pc-route-index{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--pc-accent);
}

.page-contact .pc-route-title{
  margin:0 0 10px;
  font-size:17px;
  font-weight:700;
  line-height:1.42;
  color:var(--c-cream);
}

.page-contact .pc-route-desc{
  margin:0 0 16px;
  font-size:14px;
  line-height:1.75;
  color:rgba(244,234,216,.68);
}

.page-contact .pc-route-more summary{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 0;
  cursor:pointer;
  list-style:none;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--pc-accent);
}

.page-contact .pc-route-more summary::-webkit-details-marker{
  display:none;
}

.page-contact .pc-route-more summary::before{
  content:"+";
  font-size:14px;
  line-height:1;
}

.page-contact .pc-route-more[open] summary::before{
  content:"–";
}

.page-contact .pc-route-more ul{
  list-style:none;
  margin:6px 0 0;
  padding:14px 0 0;
  border-top:1px solid rgba(18,48,85,.9);
}

.page-contact .pc-route-more li{
  position:relative;
  padding-left:16px;
  margin-bottom:9px;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(244,234,216,.76);
}

.page-contact .pc-route-more li:last-child{
  margin-bottom:0;
}

.page-contact .pc-route-more li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:7px;
  height:1px;
  background:var(--pc-accent);
}

/* ---------- 直接联系 ---------- */

.page-contact .pc-direct{
  padding:0 0 clamp(56px,7vw,96px);
}

.page-contact .pc-direct-grid{
  display:grid;
  gap:30px;
}

.page-contact .pc-direct-main{
  display:flex;
  flex-direction:column;
  border-top:1px solid var(--pc-hair);
}

.page-contact .pc-contact-item{
  padding:26px 0 24px;
  border-bottom:1px solid var(--pc-hair);
}

.page-contact .pc-contact-label{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--c-mist);
}

.page-contact .pc-contact-value{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:clamp(18px,2.9vw,36px);
  line-height:1.16;
  letter-spacing:-.01em;
  word-break:break-word;
}

.page-contact .pc-contact-item--mail .pc-contact-value{
  color:var(--c-neon);
  text-shadow:0 0 26px rgba(61,255,158,.28);
}

.page-contact .pc-contact-item--phone .pc-contact-value{
  color:var(--c-amber);
  text-shadow:0 0 26px rgba(255,194,75,.22);
}

.page-contact .pc-contact-note{
  margin:0;
  max-width:48ch;
  font-size:14px;
  line-height:1.7;
  color:rgba(244,234,216,.66);
}

.page-contact .pc-response{
  padding:26px 24px;
  background:linear-gradient(150deg, rgba(61,255,158,.12), rgba(7,19,39,.72));
  border:1px solid rgba(61,255,158,.34);
  clip-path:var(--clip-cut);
}

.page-contact .pc-response-num{
  margin:0;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:clamp(40px,6vw,64px);
  line-height:1;
  color:var(--c-neon);
}

.page-contact .pc-response-unit{
  display:block;
  margin:8px 0 14px;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--c-cream);
}

.page-contact .pc-response-text{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:rgba(244,234,216,.72);
}

.page-contact .pc-paper{
  margin-top:24px;
  padding:clamp(24px,3.4vw,34px);
  background:var(--c-cream);
  color:var(--c-ink);
  clip-path:var(--clip-cut);
}

.page-contact .pc-paper-title{
  margin:0 0 16px;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--c-ink);
}

.page-contact .pc-paper-list{
  list-style:none;
  margin:0 0 16px;
  padding:0;
}

.page-contact .pc-paper-list li{
  position:relative;
  padding-left:18px;
  margin-bottom:12px;
  font-size:14px;
  line-height:1.75;
  color:rgba(27,21,18,.82);
}

.page-contact .pc-paper-list li:last-child{
  margin-bottom:0;
}

.page-contact .pc-paper-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.66em;
  width:8px;
  height:2px;
  background:var(--c-orange);
}

.page-contact .pc-paper-list strong{
  font-weight:700;
  color:var(--c-ink);
}

.page-contact .pc-paper-foot{
  margin:0;
  padding-top:14px;
  border-top:1px solid rgba(27,21,18,.16);
  font-size:13px;
  line-height:1.7;
  color:rgba(27,21,18,.64);
}

/* ---------- 合作流程 ---------- */

.page-contact .pc-flow{
  padding:clamp(56px,7vw,96px) 0;
  border-top:1px solid var(--pc-hair-soft);
}

.page-contact .pc-flow-top{
  display:grid;
  gap:30px;
  margin-bottom:clamp(36px,5vw,60px);
}

.page-contact .pc-flow-lede{
  margin:0;
  max-width:46ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.8;
  color:rgba(244,234,216,.72);
}

.page-contact .pc-flow-visual{
  position:relative;
  margin:0;
  overflow:hidden;
  clip-path:var(--clip-cut);
}

.page-contact .pc-flow-visual img{
  display:block;
  width:100%;
  aspect-ratio:12/7;
  object-fit:cover;
}

.page-contact .pc-flow-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(7,19,39,.14), rgba(7,19,39,.58));
  pointer-events:none;
}

.page-contact .pc-timeline{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:0;
}

.page-contact .pc-step{
  position:relative;
  padding:22px 0 22px 34px;
  border-left:1px solid var(--pc-hair);
}

.page-contact .pc-step::before{
  content:"";
  position:absolute;
  left:-5px;
  top:28px;
  width:9px;
  height:9px;
  box-sizing:border-box;
  border:2px solid var(--c-mist);
  background:var(--c-deep);
  border-radius:50%;
}

.page-contact .pc-step:first-child::before{
  border-color:var(--c-neon);
  background:var(--c-neon);
  box-shadow:0 0 0 5px rgba(61,255,158,.16);
}

.page-contact .pc-step-idx{
  display:block;
  margin-bottom:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  color:var(--c-orange);
}

.page-contact .pc-step-title{
  margin:0 0 8px;
  font-size:16px;
  font-weight:700;
  color:var(--c-cream);
}

.page-contact .pc-step p{
  margin:0;
  font-size:14px;
  line-height:1.78;
  color:rgba(244,234,216,.66);
}

/* ---------- 覆盖范围 ---------- */

.page-contact .pc-scope{
  position:relative;
  padding:clamp(56px,7vw,96px) 0;
  border-top:1px solid var(--pc-hair-soft);
  background-image:
    linear-gradient(to right, rgba(18,48,85,.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(18,48,85,.55) 1px, transparent 1px);
  background-size:88px 88px;
  background-position:center top;
}

.page-contact .pc-scope::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(120% 90% at 50% 0%, transparent 22%, var(--c-deep) 96%);
  pointer-events:none;
}

.page-contact .pc-scope > .shell{
  position:relative;
  z-index:1;
}

.page-contact .pc-metrics{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;
  background:var(--pc-hair);
  border:1px solid var(--pc-hair);
}

.page-contact .pc-metric{
  display:flex;
  flex-direction:column;
  gap:9px;
  padding:26px 20px 22px;
  background:var(--c-deep);
}

.page-contact .pc-metric-value{
  font-family:var(--font-mono);
  font-weight:600;
  font-size:clamp(26px,3.4vw,40px);
  line-height:1;
  letter-spacing:-.02em;
  color:var(--c-neon);
}

.page-contact .pc-metric-value em{
  font-style:normal;
  margin-left:2px;
  font-size:.46em;
  color:var(--c-mist);
}

.page-contact .pc-metric-label{
  font-size:13px;
  line-height:1.65;
  color:rgba(244,234,216,.66);
}

.page-contact .pc-scope-note{
  margin:26px 0 0;
  max-width:66ch;
  font-size:14px;
  line-height:1.85;
  color:rgba(244,234,216,.62);
}

/* ---------- 来访与邮寄 ---------- */

.page-contact .pc-visit{
  padding:clamp(56px,7vw,96px) 0;
  border-top:1px solid var(--pc-hair-soft);
}

.page-contact .pc-visit-grid{
  display:grid;
  gap:26px;
}

.page-contact .pc-address{
  margin:0 0 22px;
  font-family:var(--font-mono);
  font-weight:600;
  font-size:clamp(18px,2.4vw,28px);
  line-height:1.45;
  letter-spacing:-.01em;
  color:var(--c-amber);
}

.page-contact .pc-visit-text{
  margin:0 0 14px;
  max-width:56ch;
  font-size:15px;
  line-height:1.85;
  color:rgba(244,234,216,.72);
}

.page-contact .pc-visit-text:last-child{
  margin-bottom:0;
}

/* ---------- 收尾导航 ---------- */

.page-contact .pc-next{
  padding:0 0 clamp(56px,7vw,88px);
}

.page-contact .pc-next-title{
  margin:0 0 22px;
  font-size:clamp(17px,2vw,22px);
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-cream);
}

.page-contact .pc-next-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:1px;
  background:var(--pc-hair);
  border:1px solid var(--pc-hair);
}

.page-contact .pc-next-list li{
  background:var(--c-deep);
}

.page-contact .pc-next-list a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:20px 18px;
  font-size:14px;
  line-height:1.5;
  color:rgba(244,234,216,.84);
  text-decoration:none;
  transition:color .25s ease, background .25s ease;
}

.page-contact .pc-next-list a::after{
  content:"→";
  margin-left:auto;
  font-family:var(--font-mono);
  color:var(--c-orange);
  transition:transform .25s ease;
}

.page-contact .pc-next-list a:hover{
  color:var(--c-neon);
  background:rgba(61,255,158,.07);
}

.page-contact .pc-next-list a:hover::after{
  transform:translateX(4px);
}

/* ---------- 响应式 ---------- */

@media (min-width:720px){
  .page-contact .pc-route-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-contact .pc-metrics{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .page-contact .pc-next-list{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:900px){
  .page-contact .pc-hero-grid{
    grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
    gap:56px;
    align-items:start;
    margin-top:40px;
  }
  .page-contact .pc-direct-grid{
    grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
    gap:48px;
    align-items:start;
  }
  .page-contact .pc-flow-top{
    grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
    gap:56px;
    align-items:center;
  }
  .page-contact .pc-visit-grid{
    grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);
    gap:64px;
    align-items:start;
  }
  .page-contact .pc-timeline{
    grid-template-columns:repeat(5,minmax(0,1fr));
    border-top:1px solid var(--pc-hair);
  }
  .page-contact .pc-step{
    padding:34px 24px 0 0;
    border-left:0;
  }
  .page-contact .pc-step::before{
    left:0;
    top:-5px;
  }
}

@media (min-width:1080px){
  .page-contact .pc-route-grid{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
  .page-contact .pc-metrics{
    grid-template-columns:repeat(5,minmax(0,1fr));
  }
  .page-contact .pc-next-list{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }
}

@media (max-width:480px){
  .page-contact .pc-quick{
    padding:22px 18px 18px;
  }
  .page-contact .pc-route{
    padding:22px 18px 18px;
  }
  .page-contact .pc-response{
    padding:22px 18px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .pc-route,
  .page-contact .pc-next-list a,
  .page-contact .pc-next-list a::after{
    transition:none;
  }
  .page-contact .pc-route:hover,
  .page-contact .pc-route:focus-within{
    transform:none;
  }
  .page-contact .pc-next-list a:hover::after{
    transform:none;
  }
}
<<<END>>>