.page-contact{
  --pc-pad: clamp(40px, 5.5vw, 76px);
  --pc-gap: clamp(18px, 2.4vw, 30px);
  --pc-cut: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  --pc-cut-sm: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  --pc-grid-tex:
    linear-gradient(rgba(38,53,92,.55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38,53,92,.55) 1px, transparent 1px);
  background: var(--night);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: clamp(28px, 5vw, 52px) var(--gutter) 0;
  max-width: var(--shell);
  margin: 0 auto;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-3);
}
.page-contact .breadcrumb a{
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .breadcrumb [aria-current="page"]{ color: var(--ink); }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  padding: clamp(22px, 3.5vw, 44px) 0 clamp(34px, 5vw, 62px);
  overflow: hidden;
}
.page-contact .contact-hero::before{
  content: "";
  position: absolute;
  inset: -20% -10% auto -10%;
  height: 130%;
  background:
    radial-gradient(58% 70% at 6% 12%, rgba(19,74,92,.62) 0%, transparent 62%),
    radial-gradient(46% 56% at 100% 6%, rgba(255,122,47,.13) 0%, transparent 66%),
    repeating-linear-gradient(122deg, rgba(56,242,208,.045) 0 1px, transparent 1px 13px);
  pointer-events: none;
}
.page-contact .contact-hero-grid{
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: center;
}
.page-contact .contact-hero-copy{ max-width: 62ch; }
.page-contact .contact-hero h1{
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(36px, 7vw, 62px);
  line-height: 1.08;
  letter-spacing: .01em;
  color: var(--ink);
}
.page-contact .contact-hero .lead{
  margin: 18px 0 0;
  max-width: 46ch;
  color: var(--ink-2);
  font-size: clamp(15px, 1.35vw, 17px);
  line-height: 1.72;
}
.page-contact .hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}
.page-contact .contact-hero-media{
  position: relative;
  margin: 0;
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--pc-cut);
  overflow: hidden;
}
.page-contact .contact-hero-media img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: brightness(.58) saturate(.92);
}
.page-contact .contact-hero-media::after{
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(142deg, rgba(6,11,26,.74) 0%, rgba(19,74,92,.26) 52%, rgba(6,11,26,.88) 100%);
  pointer-events: none;
}

/* ---------- 通用区块 ---------- */
.page-contact .contact-section{
  position: relative;
  padding: var(--pc-pad) 0;
}
.page-contact .contact-head{
  display: grid;
  gap: 10px;
  max-width: 66ch;
  margin-bottom: clamp(24px, 3.2vw, 42px);
}
.page-contact .contact-sub{
  margin: 0;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.72;
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}
.page-contact .channel-card{
  position: relative;
  padding: clamp(20px, 2.6vw, 30px);
  background: linear-gradient(158deg, var(--board) 0%, var(--board-2) 100%);
  border: 1px solid var(--line);
  clip-path: var(--pc-cut);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.page-contact .channel-card::before{
  content: "";
  position: absolute;
  left: 14px;
  top: 0;
  width: 58px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(56,242,208,0));
}
.page-contact .channel-card--addr::before{
  background: linear-gradient(90deg, var(--orange), rgba(255,122,47,0));
}
.page-contact .channel-card:hover{
  transform: translateY(-4px);
  border-color: rgba(56,242,208,.45);
}
.page-contact .channel-icon{
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 16px;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid rgba(56,242,208,.28);
  clip-path: var(--pc-cut-sm);
}
.page-contact .channel-card--addr .channel-icon{
  color: var(--orange);
  background: var(--orange-soft);
  border-color: rgba(255,122,47,.3);
}
.page-contact .channel-label{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--ink-3);
}
.page-contact .channel-value{
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
  word-break: break-word;
}
.page-contact .channel-value--mail{
  color: var(--cyan);
  letter-spacing: -.01em;
}
.page-contact .channel-value--tel{
  color: var(--orange);
  letter-spacing: .02em;
}
.page-contact .channel-value--addr{
  font-size: clamp(14px, 1.5vw, 16px);
  font-weight: 600;
  line-height: 1.7;
  padding: 12px 14px;
  border-left: 2px solid var(--orange);
  background-color: rgba(6,11,26,.55);
  background-image: var(--pc-grid-tex);
  background-size: 18px 18px;
}
.page-contact .channel-note{
  margin: 12px 0 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.68;
}

/* ---------- 问题分流 ---------- */
.page-contact .route-layout{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}
.page-contact .route-aside .contact-sub{ margin-top: 10px; max-width: 44ch; }
.page-contact .route-figure{
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--pc-cut);
  overflow: hidden;
}
.page-contact .route-figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: brightness(.52) saturate(.9);
}
.page-contact .route-body{ display: grid; gap: 14px; }
.page-contact .route-item{
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  background: var(--board);
  border: 1px solid var(--line);
  clip-path: var(--pc-cut);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .route-item::before{
  content: "";
  position: absolute;
  left: 14px;
  top: 0;
  width: 46px;
  height: 3px;
  background: var(--cyan);
}
.page-contact .route-item:nth-child(3)::before{ background: var(--orange); }
.page-contact .route-item:hover{
  transform: translateY(-4px);
  border-color: rgba(56,242,208,.42);
}
.page-contact .route-tag{
  display: inline-block;
  margin-bottom: 10px;
  padding: 4px 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--cyan);
  background: var(--cyan-soft);
  border: 1px solid rgba(56,242,208,.26);
  clip-path: polygon(6px 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}
.page-contact .route-item:nth-child(3) .route-tag{
  color: var(--orange);
  background: var(--orange-soft);
  border-color: rgba(255,122,47,.28);
}
.page-contact .route-item h3{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 600;
  line-height: 1.28;
  color: var(--ink);
}
.page-contact .route-item p{
  margin: 0;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.72;
}
.page-contact .route-channel{
  margin-top: 12px !important;
  color: var(--ink-3) !important;
  font-size: 13px !important;
  letter-spacing: .01em;
}

/* ---------- 回复节奏 ---------- */
.page-contact .timing-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  clip-path: var(--pc-cut);
}
.page-contact .timing-list li{
  display: grid;
  gap: 8px;
  padding: clamp(20px, 2.6vw, 30px);
  background: var(--board);
}
.page-contact .timing-num{
  font-family: var(--font-num);
  font-size: clamp(24px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--cyan);
}
.page-contact .timing-list li:nth-child(3) .timing-num{ color: var(--orange); }
.page-contact .timing-text{
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.7;
}
.page-contact .timing-foot{
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 72ch;
  color: var(--ink-2);
  font-size: 14.5px;
  line-height: 1.74;
  padding-left: 16px;
  border-left: 2px solid rgba(56,242,208,.5);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}
.page-contact .prep-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .prep-item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: clamp(16px, 2vw, 22px);
  background: linear-gradient(90deg, var(--board-2) 0%, rgba(13,21,48,.55) 100%);
  border-left: 2px solid var(--cyan);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .prep-item:hover{
  transform: translateX(4px);
  background: linear-gradient(90deg, var(--board-2) 0%, rgba(19,74,92,.4) 100%);
}
.page-contact .prep-index{
  font-family: var(--font-num);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--cyan);
  letter-spacing: -.01em;
}
.page-contact .prep-item h3{
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: clamp(16px, 1.7vw, 19px);
  font-weight: 600;
  line-height: 1.32;
  color: var(--ink);
}
.page-contact .prep-item p{
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 合作 ---------- */
.page-contact .partner-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}
.page-contact .partner-card{
  display: grid;
  gap: 10px;
  padding: clamp(20px, 2.4vw, 28px);
  text-decoration: none;
  color: var(--ink);
  background: linear-gradient(160deg, var(--board) 0%, var(--board-2) 100%);
  border: 1px solid var(--line);
  clip-path: var(--pc-cut);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .partner-card:hover,
.page-contact .partner-card:focus-visible{
  transform: translateY(-4px);
  border-color: rgba(255,122,47,.5);
}
.page-contact .partner-kicker{
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--orange);
}
.page-contact .partner-card h3{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.1vw, 23px);
  font-weight: 600;
  line-height: 1.26;
  color: var(--ink);
}
.page-contact .partner-card p{
  margin: 0;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.72;
}
.page-contact .partner-go{
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
}
.page-contact .partner-go::after{
  content: " →";
  display: inline-block;
  transition: transform var(--dur) var(--ease);
}
.page-contact .partner-card:hover .partner-go::after{ transform: translateX(4px); }

/* ---------- 收尾 ---------- */
.page-contact .contact-outro{
  padding: 0 0 clamp(56px, 8vw, 104px);
}
.page-contact .outro-panel{
  position: relative;
  display: grid;
  gap: 14px;
  padding: clamp(26px, 4vw, 52px);
  background:
    radial-gradient(120% 150% at 0% 0%, rgba(19,74,92,.78) 0%, transparent 62%),
    var(--board);
  border: 1px solid var(--line);
  clip-path: var(--pc-cut);
}
.page-contact .outro-panel h2{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--ink);
}
.page-contact .outro-panel p{
  margin: 0;
  max-width: 60ch;
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.72;
}
.page-contact .outro-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-contact .channel-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-contact .timing-list{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-contact .partner-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-contact .prep-list{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 900px){
  .page-contact .contact-hero-grid{
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px){
  .page-contact .route-layout{
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
    gap: clamp(28px, 4vw, 62px);
  }
}

@media (min-width: 1080px){
  .page-contact .breadcrumb{ padding-left: 0; padding-right: 0; }
}

@media (prefers-reduced-motion: reduce){
  .page-contact .channel-card,
  .page-contact .route-item,
  .page-contact .prep-item,
  .page-contact .partner-card,
  .page-contact .partner-go::after{
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .route-item:hover,
  .page-contact .partner-card:hover,
  .page-contact .partner-card:focus-visible{
    transform: none;
  }
  .page-contact .prep-item:hover{ transform: none; }
}
<<<END>>>