.page-contact{
  --pc-gap: clamp(16px, 2.2vw, 26px);
  --pc-pad: clamp(18px, 3vw, 30px);
  --pc-accent: var(--cyan);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs{
  padding-top: 16px;
}
.page-contact .breadcrumbs ol{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .04em;
  color: var(--muted);
}
.page-contact .breadcrumbs li + li::before{
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}
.page-contact .breadcrumbs a{
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .breadcrumbs a:hover{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-contact .breadcrumbs [aria-current]{
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero{
  position: relative;
  padding: clamp(24px, 4vw, 56px) 0 clamp(24px, 3.4vw, 44px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(58% 130% at 92% 0%, rgba(139, 92, 255, .22), transparent 62%),
    radial-gradient(48% 110% at 0% 100%, rgba(34, 230, 255, .13), transparent 66%),
    var(--ink-900);
}
.page-contact .contact-hero::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(30, 42, 68, .55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 42, 68, .55) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(115deg, rgba(0,0,0,.7), transparent 62%);
  -webkit-mask-image: linear-gradient(115deg, rgba(0,0,0,.7), transparent 62%);
}
.page-contact .hero-inner{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
}
.page-contact .eyebrow{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}
.page-contact h1{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: var(--step-4);
  font-weight: 800;
  line-height: .98;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-contact .lede{
  margin: 0;
  max-width: 44ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .hero-facts{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  background: var(--line);
}
.page-contact .hero-facts > div{
  padding: 14px 16px;
  background: rgba(10, 16, 32, .86);
}
.page-contact .hero-facts dt{
  font-size: var(--step--1);
  letter-spacing: .06em;
  color: var(--muted);
}
.page-contact .hero-facts dd{
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: var(--step-1);
  color: var(--cyan);
}

/* ---------- 主体双栏 ---------- */
.page-contact .contact-body{
  padding: clamp(28px, 4vw, 60px) 0;
}
.page-contact .contact-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
  align-items: start;
}
.page-contact .col-channels,
.page-contact .col-form{
  min-width: 0;
}

/* 顶部横幅图 */
.page-contact .channel-banner{
  margin: 0 0 clamp(16px, 2.2vw, 24px);
  border: 1px solid var(--line);
  background: var(--ink-800);
  position: relative;
  overflow: hidden;
}
.page-contact .channel-banner img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
}
.page-contact .channel-banner::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(5, 7, 13, 0) 0,
    rgba(5, 7, 13, 0) 3px,
    rgba(5, 7, 13, .28) 3px,
    rgba(5, 7, 13, .28) 4px
  );
}
.page-contact .channel-banner figcaption{
  position: relative;
  z-index: 1;
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: var(--step--1);
  line-height: 1.7;
  color: var(--muted);
  background: var(--ink-800);
}

/* 渠道卡片 */
.page-contact .channel-stack{
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .channel-card{
  --pc-accent: var(--cyan);
  position: relative;
  padding: var(--pc-pad);
  padding-left: calc(var(--pc-pad) + 4px);
  background: var(--ink-800);
  border-left: 3px solid var(--pc-accent);
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-contact .channel-card:hover{
  background: var(--ink-700);
  box-shadow: inset 0 0 0 1px rgba(34, 230, 255, .18);
}
.page-contact .channel-card--red{ --pc-accent: var(--red); }
.page-contact .channel-card--amber{ --pc-accent: var(--amber); }
.page-contact .channel-card--violet{ --pc-accent: var(--violet); }
.page-contact .channel-card--cyan{ --pc-accent: var(--cyan); }

.page-contact .channel-head{
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}
.page-contact .channel-idx{
  font-size: var(--step--1);
  letter-spacing: .12em;
  color: var(--pc-accent);
}
.page-contact .channel-head h3{
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .channel-card p{
  margin: 0 0 12px;
  max-width: 42ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}
.page-contact ul.channel-need{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .channel-need li{
  padding: 5px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .04em;
  color: var(--paper);
  background: var(--ink-900);
}

/* 回复节奏面板 */
.page-contact .response-panel{
  margin-top: clamp(16px, 2.2vw, 24px);
  padding: var(--pc-pad);
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
  background: var(--ink-800);
}
.page-contact .response-panel h3{
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  letter-spacing: .02em;
  color: var(--paper);
}
.page-contact .response-list{
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .response-list li{
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--muted);
}
.page-contact .response-list li:last-child{
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .response-key{
  font-size: var(--step--1);
  letter-spacing: .1em;
  color: var(--amber);
}

/* ---------- 静态咨询表单 ---------- */
.page-contact .consult-card{
  position: relative;
  padding: var(--pc-pad);
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(180deg, var(--ink-800), var(--ink-900));
  background-clip: padding-box;
}
.page-contact .consult-card::before{
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet) 58%, var(--amber));
}
.page-contact .consult-card__head h2{
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .consult-card__head p:not(.eyebrow){
  margin: 0 0 20px;
  max-width: 42ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .inline-mail{
  color: var(--cyan);
  font-size: .95em;
  word-break: break-all;
}
.page-contact .consult-fields{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-contact .field{
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}
.page-contact .field label{
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .08em;
  color: var(--muted);
}
.page-contact .req{
  color: var(--amber);
}
.page-contact .field input,
.page-contact .field select,
.page-contact .field textarea{
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  padding: 11px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.page-contact .field textarea{
  resize: vertical;
  min-height: 118px;
}
.page-contact .field input::placeholder,
.page-contact .field textarea::placeholder{
  color: #5D6E8C;
}
.page-contact .field input:focus,
.page-contact .field select:focus,
.page-contact .field textarea:focus{
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px rgba(34, 230, 255, .35);
}
.page-contact .field input:user-invalid,
.page-contact .field textarea:user-invalid{
  border-color: var(--red);
}
.page-contact .consult-actions{
  margin-top: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}
.page-contact .consult-submit{
  justify-self: start;
  padding: 13px 30px;
  border: 0;
  background: var(--cyan);
  color: var(--ink-900);
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.page-contact .consult-submit:hover{
  background: var(--violet);
  color: var(--paper);
  transform: translateY(-1px);
}
.page-contact .consult-submit:active{
  transform: translateY(0);
}
.page-contact .submit-note{
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .consult-alt{
  margin: 18px 0 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .consult-alt a{
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 230, 255, .4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.page-contact .consult-alt a:hover{
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .partner-band{
  padding: clamp(28px, 4vw, 60px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(120deg, rgba(139, 92, 255, .16), transparent 46%),
    var(--ink-800);
}
.page-contact .partner-inner{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 38px);
  align-items: start;
}
.page-contact .partner-intro h2{
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .partner-intro p:not(.eyebrow){
  margin: 0 0 18px;
  max-width: 40ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .partner-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-contact .partner-cell{
  padding: 18px 20px;
  background: var(--ink-900);
  transition: background var(--dur) var(--ease);
}
.page-contact .partner-cell:hover{
  background: var(--ink-700);
}
.page-contact .partner-cell h3{
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  letter-spacing: .01em;
  color: var(--violet);
}
.page-contact .partner-cell p{
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 地址区块 ---------- */
.page-contact .locate{
  position: relative;
  padding: clamp(30px, 4.6vw, 68px) 0 clamp(28px, 4vw, 56px);
  background: var(--ink-900);
  overflow: hidden;
}
.page-contact .locate-bg{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  filter: saturate(.7) contrast(1.1);
  pointer-events: none;
}
.page-contact .locate::after{
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, var(--ink-900) 4%, rgba(5, 7, 13, .55) 55%, rgba(5, 7, 13, .82)),
    repeating-linear-gradient(to bottom, rgba(5,7,13,0) 0, rgba(5,7,13,0) 3px, rgba(5,7,13,.25) 3px, rgba(5,7,13,.25) 4px);
}
.page-contact .locate-inner{
  position: relative;
  z-index: 1;
}
.page-contact .locate-head h2{
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: var(--step-2);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}
.page-contact .locate-head p:not(.eyebrow){
  margin: 0 0 24px;
  max-width: 44ch;
  font-size: var(--step-0);
  line-height: 1.75;
  color: var(--muted);
}
.page-contact .locate-grid{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 0;
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}
.page-contact .locate-item{
  padding: 16px 18px;
  background: rgba(10, 16, 32, .92);
  transition: background var(--dur) var(--ease);
}
.page-contact .locate-item:hover{
  background: rgba(20, 28, 48, .95);
}
.page-contact .locate-item dt{
  font-family: var(--font-mono);
  font-size: var(--step--1);
  letter-spacing: .12em;
  color: var(--amber);
  margin-bottom: 8px;
}
.page-contact .locate-item dd{
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}
.page-contact .locate-item dd.mono{
  font-size: var(--step-1);
  letter-spacing: .02em;
  color: var(--cyan);
}
.page-contact .locate-foot{
  margin: 20px 0 0;
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--muted);
}
.page-contact .locate-foot a{
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-contact .locate-foot a:hover{
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px){
  .page-contact .consult-fields{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .field--wide{
    grid-column: 1 / -1;
  }
  .page-contact .partner-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .locate-grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .locate-item--wide{
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px){
  .page-contact .hero-inner{
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
  }
  .page-contact .contact-grid{
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: clamp(26px, 3vw, 46px);
  }
  .page-contact .col-form{
    position: sticky;
    top: 96px;
  }
  .page-contact .partner-inner{
    grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr);
  }
  .page-contact .locate-grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .locate-item--wide{
    grid-column: span 2;
  }
}

@media (min-width: 1120px){
  .page-contact .channel-card{
    padding-right: calc(var(--pc-pad) + 20px);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-contact *{
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}
<<<END>>>