.page-contact{
  --pc-gap: clamp(16px, 2.2vw, 26px);
  --pc-sec: clamp(52px, 8vw, 112px);
  --pc-line: rgba(143, 166, 178, .22);
  padding-block: clamp(24px, 4vw, 52px) clamp(56px, 8vw, 112px);
  background:
    radial-gradient(120% 55% at 100% 0%, rgba(0, 229, 195, .07), transparent 62%),
    radial-gradient(90% 55% at 0% 32%, rgba(255, 107, 53, .05), transparent 64%);
}

.page-contact .breadcrumb{
  margin-bottom: clamp(22px, 3.4vw, 40px);
}

/* ---------- 通用章节头 ---------- */
.page-contact .pc-index{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--yellow);
}

.page-contact .pc-head{
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .pc-title{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.6vw, 42px);
  line-height: 1.15;
  letter-spacing: -.012em;
  color: var(--chalk);
}

.page-contact .pc-note{
  margin: 2px 0 0;
  max-width: 64ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .hero-copy h1{
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(33px, 6.4vw, 74px);
  line-height: 1.05;
  letter-spacing: -.018em;
  color: var(--chalk);
}

.page-contact .hl{
  color: var(--cyan);
  box-shadow: inset 0 -.16em 0 rgba(0, 229, 195, .18);
}

.page-contact .contact-hero .lede{
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17.5px);
  line-height: 1.74;
  color: var(--steel);
}

.page-contact .hero-media{
  position: relative;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(160deg, var(--panel), var(--night-deep));
  box-shadow: 0 30px 70px -40px rgba(0, 0, 0, .95);
}

.page-contact .hero-media img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .hero-tag{
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  margin: 0;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1px solid rgba(245, 213, 71, .3);
  background: rgba(8, 22, 31, .8);
  color: var(--yellow);
  font-size: 12.5px;
  letter-spacing: .04em;
  line-height: 1.5;
}

/* ---------- 事项路由 ---------- */
.page-contact .route-board{
  margin-top: var(--pc-sec);
}

.page-contact .route-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .route-list li{
  display: grid;
}

.page-contact .route-card{
  height: 100%;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: clamp(12px, 1.8vw, 20px);
  align-items: start;
  padding: clamp(18px, 2.6vw, 26px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-sm);
  background: linear-gradient(155deg, var(--panel), var(--panel-soft));
  text-decoration: none;
  transition: transform .3s var(--ease), border-color .3s var(--ease), background .3s var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible{
  transform: translateY(-3px);
  border-color: rgba(0, 229, 195, .62);
  background: linear-gradient(155deg, rgba(0, 229, 195, .1), var(--panel-soft));
}

.page-contact .route-num{
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 4px;
}

.page-contact .route-body{
  display: grid;
  gap: 6px;
}

.page-contact .route-name{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.3;
  color: var(--chalk);
}

.page-contact .route-desc{
  font-size: 14.5px;
  line-height: 1.66;
  color: var(--steel);
}

.page-contact .route-arrow{
  width: 24px;
  height: 24px;
  color: var(--cyan);
  transition: transform .3s var(--ease);
}

.page-contact .route-card:hover .route-arrow,
.page-contact .route-card:focus-visible .route-arrow{
  transform: translateX(5px);
}

/* ---------- 邮件 / 电话 ---------- */
.page-contact .channels{
  margin-top: var(--pc-sec);
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .channel{
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  align-content: start;
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius);
  background: linear-gradient(160deg, var(--panel), var(--panel-soft));
}

.page-contact .channel .pc-index{
  color: var(--steel);
}

.page-contact .channel--phone{
  border-color: rgba(255, 107, 53, .42);
  background: linear-gradient(160deg, rgba(255, 107, 53, .17), var(--panel-soft));
}

.page-contact .channel--phone .pc-index{
  color: var(--orange);
}

.page-contact .channel-title{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 30px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--chalk);
}

.page-contact .channel-text{
  margin: 0;
  font-size: 15.5px;
  line-height: 1.76;
  color: var(--mist);
}

.page-contact .channel--phone .channel-text{
  color: var(--mist);
}

.page-contact .channel .mono{
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .channel .copy-chip{
  justify-self: start;
  font-family: var(--font-mono);
  font-size: clamp(12.5px, 1.6vw, 15px);
  letter-spacing: .02em;
}

.page-contact .channel--phone .copy-chip{
  color: var(--yellow);
}

.page-contact .media-frame{
  margin: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-contact .media-frame img{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 老用户反馈 ---------- */
.page-contact .feedback{
  margin-top: var(--pc-sec);
}

.page-contact .field-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .field-item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 15px 17px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid rgba(0, 229, 195, .5);
  border-radius: var(--radius-sm);
  background: rgba(16, 42, 58, .68);
}

.page-contact .field-num{
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--yellow);
}

.page-contact .field-text{
  font-size: 14.8px;
  line-height: 1.68;
  color: var(--steel);
}

.page-contact .field-text strong{
  color: var(--chalk);
  font-weight: 700;
}

.page-contact .tmpl{
  margin-top: clamp(18px, 2.6vw, 26px);
  border: 1px solid rgba(0, 229, 195, .34);
  border-radius: var(--radius-sm);
  background: rgba(0, 229, 195, .05);
  overflow: hidden;
}

.page-contact .tmpl summary{
  cursor: pointer;
  padding: 15px 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--cyan);
  list-style: none;
}

.page-contact .tmpl summary::-webkit-details-marker{
  display: none;
}

.page-contact .tmpl summary::after{
  content: "+";
  float: right;
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--cyan);
}

.page-contact .tmpl[open] summary::after{
  content: "−";
}

.page-contact .tmpl-body{
  padding: 0 18px 18px;
}

.page-contact .tmpl-body p{
  margin: 0;
  font-size: 14.8px;
  line-height: 1.76;
  color: var(--steel);
}

.page-contact .feedback-status{
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  font-size: 14.8px;
  line-height: 1.74;
  color: var(--steel);
}

.page-contact .inline-link{
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  margin: 0 4px;
}

.page-contact .inline-link:hover{
  color: var(--yellow);
}

/* ---------- 合作流程 ---------- */
.page-contact .cooperation{
  margin-top: var(--pc-sec);
}

.page-contact .flow-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 1.8vw, 18px);
}

.page-contact .flow-step{
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(18px, 2.4vw, 24px) clamp(16px, 2vw, 20px);
  border: 1px solid rgba(31, 122, 92, .5);
  border-radius: var(--radius-sm);
  background: linear-gradient(170deg, rgba(31, 122, 92, .26), rgba(16, 42, 58, .92));
}

.page-contact .flow-num{
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--yellow);
}

.page-contact .flow-name{
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.32;
  color: var(--chalk);
}

.page-contact .flow-desc{
  font-size: 14px;
  line-height: 1.66;
  color: var(--steel);
}

.page-contact .coop-tail{
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  padding: 15px 18px;
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(0, 229, 195, .06);
  font-size: 14.8px;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .coop-tail .mono{
  color: var(--cyan);
  word-break: break-word;
}

/* ---------- 响应时效 ---------- */
.page-contact .sla{
  margin-top: var(--pc-sec);
}

.page-contact .sla-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .sla-card{
  padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--pc-line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, rgba(16, 42, 58, .96), rgba(14, 37, 52, .74));
}

.page-contact .sla-card:nth-child(2){
  border-top-color: var(--yellow);
}

.page-contact .sla-card:nth-child(3){
  border-top-color: var(--orange);
}

.page-contact .sla-num{
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(34px, 5.2vw, 52px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.02em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-contact .sla-card:nth-child(2) .sla-num{
  color: var(--yellow);
}

.page-contact .sla-card:nth-child(3) .sla-num{
  color: var(--orange);
}

.page-contact .sla-num small{
  font-size: .32em;
  font-weight: 500;
  letter-spacing: 0;
  margin-left: 6px;
}

.page-contact .sla-label{
  display: block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .16em;
  color: var(--steel);
}

.page-contact .sla-card p{
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 地址 ---------- */
.page-contact .venue{
  margin-top: var(--pc-sec);
}

.page-contact .venue-grid{
  display: grid;
  gap: var(--pc-gap);
  align-items: center;
}

.page-contact .venue-card{
  display: grid;
  gap: 16px;
  align-content: start;
  padding: clamp(20px, 3vw, 34px);
  border: 1px solid rgba(245, 213, 71, .34);
  border-radius: var(--radius);
  background: linear-gradient(155deg, rgba(245, 213, 71, .13), rgba(16, 42, 58, .94));
}

.page-contact .venue-card .pc-index{
  color: var(--yellow);
}

.page-contact .venue-addr{
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 25px);
  line-height: 1.5;
  letter-spacing: -.01em;
  color: var(--chalk);
}

.page-contact .venue-card .copy-chip{
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}

.page-contact .venue-note{
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 相关页面 ---------- */
.page-contact .next-links{
  margin-top: var(--pc-sec);
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .next-link{
  display: inline-flex;
  align-items: center;
  padding: 11px 18px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  transition: border-color .25s var(--ease), color .25s var(--ease), background .25s var(--ease);
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible{
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(0, 229, 195, .08);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px){
  .page-contact .field-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .route-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .flow-list{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px){
  .page-contact .contact-hero{
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  }
  .page-contact .hero-media{
    aspect-ratio: 1 / 1;
  }
  .page-contact .channels{
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .flow-list{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .sla-list{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .venue-grid{
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .route-card,
  .page-contact .route-arrow,
  .page-contact .next-link{
    transition: none;
  }
  .page-contact .route-card:hover{
    transform: none;
  }
  .page-contact .route-card:hover .route-arrow{
    transform: none;
  }
}
<<<END>>>