.page-contact{
  --pc-line:2px solid var(--moss);
  --pc-shadow:8px 8px 0 var(--black);
  background:var(--ink);
  color:var(--bone);
  font-family:var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-contact .hero{
  position:relative;
  overflow:hidden;
  border-bottom:var(--pc-line);
  padding-block:clamp(20px,3vw,40px) clamp(36px,5vw,72px);
  background:linear-gradient(152deg,var(--ink) 0 56%,var(--pine) 56% 100%);
}
.page-contact .hero::before{
  content:"";
  position:absolute;
  left:-6%;
  right:-6%;
  bottom:16%;
  height:2px;
  background:linear-gradient(90deg,transparent,rgba(53,240,206,.55) 38%,transparent);
  transform:rotate(-5deg);
  pointer-events:none;
}
.page-contact .chan-input{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}
.page-contact .hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  gap:clamp(24px,4vw,40px);
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.page-contact .breadcrumb{
  margin:0 0 clamp(16px,2vw,26px);
  font-size:13px;
}
.page-contact .kicker{
  margin:0 0 10px;
  color:var(--cyan);
  letter-spacing:.08em;
}
.page-contact .hero h1{
  margin:0 0 clamp(14px,2vw,22px);
  font-size:clamp(38px,8.4vw,84px);
  font-weight:900;
  line-height:.98;
  letter-spacing:-.02em;
  text-wrap:balance;
}
.page-contact .hero .lead{
  margin:0 0 clamp(22px,3vw,34px);
  max-width:46ch;
  color:var(--mist);
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.75;
}

/* 通道选择块 */
.page-contact .switch-labels{
  display:grid;
  gap:10px;
}
.page-contact .chan-label{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  align-items:baseline;
  gap:2px 12px;
  padding:14px 16px;
  border:var(--pc-line);
  background:var(--pine);
  color:var(--bone);
  cursor:pointer;
  transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.page-contact .chan-label:hover{
  border-color:var(--cyan);
  transform:translateY(-2px);
}
.page-contact .chan-num{
  font-size:12px;
  color:var(--mist);
  letter-spacing:.08em;
}
.page-contact .chan-name{
  font-size:clamp(17px,2vw,19px);
  font-weight:800;
  letter-spacing:-.01em;
}
.page-contact .chan-hint{
  grid-column:2;
  font-size:13px;
  line-height:1.6;
  color:var(--mist);
}
.page-contact #chan-site:checked ~ .hero-grid .chan-label[for="chan-site"],
.page-contact #chan-biz:checked ~ .hero-grid .chan-label[for="chan-biz"],
.page-contact #chan-tech:checked ~ .hero-grid .chan-label[for="chan-tech"]{
  background:var(--cyan);
  border-color:var(--cyan);
  color:var(--ink);
}
.page-contact #chan-site:checked ~ .hero-grid .chan-label[for="chan-site"] .chan-num,
.page-contact #chan-biz:checked ~ .hero-grid .chan-label[for="chan-biz"] .chan-num,
.page-contact #chan-tech:checked ~ .hero-grid .chan-label[for="chan-tech"] .chan-num{
  color:rgba(8,19,15,.65);
}
.page-contact #chan-site:checked ~ .hero-grid .chan-label[for="chan-site"] .chan-hint,
.page-contact #chan-biz:checked ~ .hero-grid .chan-label[for="chan-biz"] .chan-hint,
.page-contact #chan-tech:checked ~ .hero-grid .chan-label[for="chan-tech"] .chan-hint{
  color:rgba(8,19,15,.75);
}
.page-contact #chan-site:focus-visible ~ .hero-grid .chan-label[for="chan-site"],
.page-contact #chan-biz:focus-visible ~ .hero-grid .chan-label[for="chan-biz"],
.page-contact #chan-tech:focus-visible ~ .hero-grid .chan-label[for="chan-tech"]{
  outline:2px solid var(--cyan);
  outline-offset:3px;
}

/* 右侧索引图与切换面板 */
.page-contact .hero-side{
  display:grid;
  gap:clamp(16px,2vw,22px);
  align-content:start;
}
.page-contact .hero-map{
  margin:0;
  border:var(--pc-line);
  background:var(--pine);
  box-shadow:var(--pc-shadow);
}
.page-contact .hero-map img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
  border-bottom:1px solid var(--moss);
  filter:brightness(.92) saturate(.9);
}
.page-contact .hero-map .media-caption{
  display:block;
  padding:10px 12px;
  font-size:12px;
  line-height:1.6;
  color:var(--mist);
}
.page-contact .chan-panel{
  display:none;
  padding:18px 18px 20px;
  border:var(--pc-line);
  border-left:6px solid var(--cyan);
  background:var(--pine);
  box-shadow:var(--pc-shadow);
}
.page-contact #chan-site:checked ~ .hero-grid .chan-panel--site,
.page-contact #chan-biz:checked ~ .hero-grid .chan-panel--biz,
.page-contact #chan-tech:checked ~ .hero-grid .chan-panel--tech{
  display:block;
}
.page-contact .chan-panel-title{
  margin:0 0 12px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--cyan);
  text-transform:uppercase;
}
.page-contact .chan-facts{
  display:grid;
  gap:8px;
  margin:0 0 14px;
}
.page-contact .chan-facts > div{
  display:grid;
  gap:2px;
  padding-bottom:8px;
  border-bottom:1px solid var(--moss);
}
.page-contact .chan-facts > div:last-child{
  border-bottom:0;
  padding-bottom:0;
}
.page-contact .chan-facts dt{
  font-size:12px;
  color:var(--mist);
}
.page-contact .chan-facts dd{
  margin:0;
  font-size:15px;
  line-height:1.5;
  color:var(--bone);
  overflow-wrap:anywhere;
}
.page-contact .chan-facts dd.mono{
  font-size:14px;
  letter-spacing:.01em;
  color:var(--bone);
}
.page-contact .chan-note{
  margin:0;
  font-size:13px;
  line-height:1.7;
  color:var(--mist);
}

/* ---------- 通用章节 ---------- */
.page-contact .pc-section{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(40px,6vw,80px) var(--gutter);
}
.page-contact .pc-sec-head{
  display:flex;
  align-items:baseline;
  gap:clamp(12px,2vw,20px);
  flex-wrap:wrap;
  margin-bottom:clamp(16px,2vw,24px);
}
.page-contact .pc-sec-head::after{
  content:"";
  flex:1 1 120px;
  height:2px;
  background:var(--moss);
}
.page-contact .pc-sec-num{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.page-contact .pc-sec-head h2{
  margin:0;
  font-size:clamp(24px,4vw,44px);
  font-weight:900;
  line-height:1.1;
  letter-spacing:-.02em;
}
.page-contact .pc-sec-lead{
  margin:0 0 clamp(22px,3vw,32px);
  max-width:62ch;
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.75;
  color:var(--mist);
}

/* ---------- 处理顺序 ---------- */
.page-contact .pc-steps{
  display:grid;
  gap:clamp(14px,2vw,20px);
  margin:0 0 clamp(20px,3vw,28px);
  padding:0;
  list-style:none;
}
.page-contact .pc-step{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:clamp(12px,2vw,20px);
  padding:18px;
  border:var(--pc-line);
  background:var(--pine);
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.page-contact .pc-step:hover{
  border-color:var(--cyan);
  transform:translateY(-3px);
}
.page-contact .pc-step-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  border:1px solid var(--moss);
  font-size:13px;
  color:var(--cyan);
}
.page-contact .pc-step-body h3{
  margin:0 0 8px;
  font-size:clamp(17px,2vw,20px);
  font-weight:800;
  letter-spacing:-.01em;
}
.page-contact .pc-step-body p{
  margin:0;
  font-size:15px;
  line-height:1.75;
  color:var(--mist);
}
.page-contact .pc-flow-note{
  margin:0;
  padding:16px 18px;
  border-left:6px solid var(--orange);
  background:var(--pine);
  font-size:14px;
  line-height:1.75;
  color:var(--bone);
}

/* ---------- 企业对接 ---------- */
.page-contact .pc-biz-grid{
  display:grid;
  gap:clamp(20px,3vw,32px);
}
.page-contact .pc-biz-lead{
  margin:0 0 clamp(18px,2vw,26px);
  font-size:clamp(15px,1.6vw,17px);
  line-height:1.75;
  color:var(--mist);
}
.page-contact .pc-fields{
  display:grid;
  gap:12px;
  margin:0;
  padding:0;
  list-style:none;
}
.page-contact .pc-field{
  display:grid;
  grid-template-columns:auto minmax(0,1fr);
  gap:2px 14px;
  padding:14px 16px;
  border:1px solid var(--moss);
  background:rgba(15,36,29,.7);
}
.page-contact .pc-field-key{
  grid-row:1 / span 2;
  align-self:start;
  padding-top:2px;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--orange);
}
.page-contact .pc-field h3{
  margin:0;
  font-size:16px;
  font-weight:800;
}
.page-contact .pc-field p{
  grid-column:2;
  margin:4px 0 0;
  font-size:14px;
  line-height:1.7;
  color:var(--mist);
}
.page-contact .pc-biz-side{
  display:grid;
  gap:12px;
  align-content:start;
  padding:clamp(20px,3vw,28px);
  border:var(--pc-line);
  background:var(--pine);
  box-shadow:var(--pc-shadow);
}
.page-contact .pc-side-kicker{
  margin:0;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--mist);
}
.page-contact .pc-side-num{
  margin:0;
  font-size:clamp(28px,5vw,40px);
  font-weight:700;
  line-height:1;
  color:var(--cyan);
  letter-spacing:-.01em;
}
.page-contact .pc-side-text{
  margin:0 0 6px;
  font-size:14px;
  line-height:1.75;
  color:var(--mist);
}
.page-contact .pc-biz-side .btn{
  justify-self:start;
}

/* ---------- 故障模板 ---------- */
.page-contact .pc-template-wrap{
  display:grid;
  gap:clamp(16px,2vw,24px);
}
.page-contact .pc-template{
  margin:0;
  padding:clamp(16px,2.5vw,24px);
  border:var(--pc-line);
  border-top:6px solid var(--orange);
  background:var(--black);
  color:var(--bone);
  font-family:var(--font-mono);
  font-size:13px;
  line-height:1.9;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
  box-shadow:var(--pc-shadow);
}
.page-contact .pc-template code{
  font-family:inherit;
}
.page-contact .pc-template-side{
  display:grid;
  gap:10px;
  align-content:start;
  padding:18px;
  border:1px solid var(--moss);
  background:var(--pine);
}
.page-contact .pc-tpl-tag{
  margin:0;
  font-size:12px;
  letter-spacing:.14em;
  color:var(--mist);
}
.page-contact .pc-tpl-mail{
  margin:0;
  font-size:14px;
  color:var(--cyan);
  overflow-wrap:anywhere;
}
.page-contact .pc-tpl-note{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--mist);
}
.page-contact .pc-template-side .btn{
  justify-self:start;
  margin-top:4px;
}

/* ---------- 地址铭牌 ---------- */
.page-contact .pc-addr-grid{
  display:grid;
  gap:clamp(18px,3vw,28px);
}
.page-contact .pc-plate{
  padding:clamp(18px,3vw,26px);
  border:var(--pc-line);
  background:var(--pine);
  box-shadow:var(--pc-shadow);
}
.page-contact .pc-plate-list{
  display:grid;
  gap:0;
  margin:0 0 16px;
}
.page-contact .pc-plate-list > div{
  display:grid;
  gap:3px;
  padding:11px 0;
  border-bottom:1px dashed var(--moss);
}
.page-contact .pc-plate-list > div:first-child{
  padding-top:0;
}
.page-contact .pc-plate-list dt{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--mist);
}
.page-contact .pc-plate-list dd{
  margin:0;
  font-size:15px;
  line-height:1.65;
  color:var(--bone);
  overflow-wrap:anywhere;
}
.page-contact .pc-plate-list dd.mono{
  font-family:var(--font-mono);
  font-size:14px;
}
.page-contact .pc-plate-note{
  margin:0;
  font-size:13px;
  line-height:1.8;
  color:var(--mist);
}
.page-contact .pc-addr-media{
  margin:0;
  border:var(--pc-line);
  background:var(--pine);
}
.page-contact .pc-addr-media img{
  display:block;
  width:100%;
  height:auto;
  max-width:100%;
  object-fit:cover;
  filter:brightness(.88) saturate(.85);
}
.page-contact .pc-addr-media .media-caption{
  display:block;
  padding:10px 12px;
  font-size:12px;
  line-height:1.6;
  color:var(--mist);
}

/* ---------- 尾段入口 ---------- */
.page-contact .pc-next{
  border-top:var(--pc-line);
}
.page-contact .pc-next h2{
  margin:0 0 10px;
  font-size:clamp(22px,3.4vw,34px);
  font-weight:900;
  letter-spacing:-.02em;
}
.page-contact .pc-next-lead{
  margin:0 0 clamp(18px,2.5vw,26px);
  font-size:15px;
  line-height:1.75;
  color:var(--mist);
}
.page-contact .pc-next-list{
  display:grid;
  gap:10px;
  margin:0;
  padding:0;
  list-style:none;
}
.page-contact .pc-next-list a{
  display:grid;
  gap:4px;
  padding:16px 18px;
  border:1px solid var(--moss);
  background:var(--pine);
  color:var(--bone);
  font-size:16px;
  font-weight:800;
  text-decoration:none;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.page-contact .pc-next-list a:hover{
  border-color:var(--cyan);
  color:var(--cyan);
  transform:translateY(-3px);
}
.page-contact .pc-next-desc{
  font-size:13px;
  font-weight:400;
  line-height:1.6;
  color:var(--mist);
}

/* ---------- 桌面 ---------- */
@media (min-width:900px){
  .page-contact .hero-grid{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    align-items:start;
    gap:clamp(32px,4vw,64px);
  }
  .page-contact .pc-biz-grid{
    grid-template-columns:minmax(0,7fr) minmax(0,5fr);
    align-items:start;
  }
  .page-contact .pc-template-wrap{
    grid-template-columns:minmax(0,8fr) minmax(0,4fr);
    align-items:start;
  }
  .page-contact .pc-addr-grid{
    grid-template-columns:minmax(0,6fr) minmax(0,6fr);
    align-items:start;
  }
  .page-contact .pc-next-list{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .page-contact .pc-steps{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
  .page-contact .pc-step{
    grid-template-columns:minmax(0,1fr);
  }
  .page-contact .pc-step-num{
    margin-bottom:6px;
  }
}

@media (min-width:1100px){
  .page-contact .hero-map img{
    max-height:340px;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-contact .chan-label,
  .page-contact .pc-step,
  .page-contact .pc-next-list a{
    transition:none;
  }
  .page-contact .chan-label:hover,
  .page-contact .pc-step:hover,
  .page-contact .pc-next-list a:hover{
    transform:none;
  }
}
<<<PAGE_CSS_END>>>