/* ================= 合作联系页 ================= */
.page-contact {
  --ct-card: rgba(25, 28, 36, .94);
  --ct-card-hi: rgba(35, 39, 49, .96);
  --ct-edge: rgba(138, 143, 152, .22);
  --ct-edge-gold: rgba(227, 178, 60, .38);
  --ct-text: rgba(242, 234, 217, .78);
  --ct-text-soft: rgba(242, 234, 217, .68);
  --ct-rule: rgba(138, 143, 152, .18);
  position: relative;
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(18px, 3vw, 30px) var(--gutter) 0;
  font-size: 13px;
  letter-spacing: .03em;
  color: var(--stone);
}
.page-contact .breadcrumb a {
  color: var(--stone);
  text-decoration: none;
  transition: color .22s var(--ease);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible { color: var(--gold-pale); }
.page-contact .breadcrumb__sep { color: rgba(138, 143, 152, .55); }
.page-contact .breadcrumb [aria-current="page"] { color: var(--gold-pale); }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(26px, 4.6vw, 54px) 0 clamp(44px, 7vw, 86px);
  border-bottom: 1px solid var(--ct-rule);
  overflow: hidden;
}
.page-contact .contact-hero__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: radial-gradient(118% 92% at 12% 0%, #000 8%, transparent 70%);
  mask-image: radial-gradient(118% 92% at 12% 0%, #000 8%, transparent 70%);
}
.page-contact .contact-hero__inner { position: relative; z-index: 1; }

.page-contact .contact-hero__title {
  margin: 14px 0 18px;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.12;
  letter-spacing: -.012em;
  max-width: 14em;
}
.page-contact .contact-hero__lede {
  max-width: 42em;
  margin: 0;
  font-size: clamp(15px, 1.55vw, 17.5px);
  line-height: 1.88;
  color: var(--ct-text);
}
.page-contact .contact-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin: 30px 0 0;
  padding: 0;
}
.page-contact .contact-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 13px;
  color: var(--stone);
}
.page-contact .contact-hero__facts .mono {
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 700;
  color: var(--gold-pale);
  letter-spacing: .01em;
}

/* ---------- 章节骨架 ---------- */
.page-contact .ct-section {
  padding: clamp(46px, 7vw, 96px) 0;
}
.page-contact .ct-head {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: clamp(24px, 3.6vw, 42px);
}
.page-contact .ct-title {
  margin: 8px 0 0;
  font-size: clamp(22px, 3.4vw, 36px);
  line-height: 1.26;
  letter-spacing: -.005em;
  color: var(--paper);
}
.page-contact .ct-head__note {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}
.page-contact .media-caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}
.page-contact .reach-figure,
.page-contact .locale-figure { margin: 0; }
.page-contact .reach-figure img,
.page-contact .locale-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--ct-edge);
  border-radius: var(--radius);
  object-fit: cover;
}

/* ---------- 通道卡片 ---------- */
.page-contact .channel-grid {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: 0;
  padding: 0;
}
.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 24px 20px 20px 24px;
  background: linear-gradient(180deg, var(--ct-card), rgba(18, 20, 26, .98));
  border: 1px solid var(--ct-edge);
  border-radius: var(--radius);
  transition: transform .34s var(--ease), border-color .34s var(--ease), box-shadow .34s var(--ease);
}
.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  border-radius: var(--radius) 0 0 var(--radius);
  background: linear-gradient(180deg, var(--gold), var(--clay) 70%, rgba(168, 66, 44, .3));
}
.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--ct-edge-gold);
  box-shadow: 0 0 0 1px rgba(227, 178, 60, .16), 0 24px 42px -30px rgba(0, 0, 0, .95);
}
.page-contact .channel-card__top {
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-contact .channel-card__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gold);
  padding: 3px 7px;
  border: 1px solid rgba(227, 178, 60, .34);
  border-radius: 2px;
}
.page-contact .channel-card__title {
  margin: 0;
  font-size: clamp(16.5px, 1.9vw, 19.5px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--paper);
}
.page-contact .channel-card__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ct-text-soft);
}
.page-contact .channel-card__route {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 2px;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 208, 192, .28);
  padding-bottom: 2px;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}
.page-contact .channel-card__route:hover,
.page-contact .channel-card__route:focus-visible {
  color: var(--gold-pale);
  border-color: rgba(227, 178, 60, .6);
}
.page-contact .channel-card__materials {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--ct-rule);
  opacity: .78;
  transition: opacity .3s var(--ease);
}
.page-contact .channel-card:hover .channel-card__materials,
.page-contact .channel-card:focus-within .channel-card__materials { opacity: 1; }
.page-contact .channel-card__materials-label {
  margin: 0 0 9px;
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--stone);
}
.page-contact .channel-card__materials ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
}
.page-contact .channel-card__materials li {
  font-size: 12px;
  line-height: 1.5;
  padding: 4px 9px;
  border: 1px solid rgba(94, 107, 74, .55);
  background: rgba(94, 107, 74, .18);
  color: rgba(242, 234, 217, .8);
  border-radius: 2px;
}

/* ---------- 邮箱与电话 ---------- */
.page-contact .ct-section--reach {
  background: linear-gradient(180deg, rgba(110, 31, 26, .16), transparent 62%);
}
.page-contact .reach-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}
.page-contact .reach-cards {
  display: grid;
  gap: 16px;
}
.page-contact .reach-card {
  padding: 24px 22px;
  background: var(--ct-card);
  border: 1px solid var(--ct-edge);
  border-left: 2px solid var(--gold);
  border-radius: var(--radius);
}
.page-contact .reach-card--phone { border-left-color: var(--cyan); }
.page-contact .reach-label {
  margin: 0 0 13px;
  font-size: 10.5px;
  letter-spacing: .22em;
  color: var(--stone);
}
.page-contact .reach-value {
  margin: 0 0 14px;
  font-size: clamp(13.5px, 3.6vw, 23px);
  font-weight: 700;
  line-height: 1.36;
  letter-spacing: .01em;
  color: var(--gold-pale);
  overflow-wrap: anywhere;
}
.page-contact .reach-card--phone .reach-value { color: var(--cyan); }
.page-contact .reach-desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ct-text-soft);
}
.page-contact .reach-meta {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(53, 208, 192, .9);
}

/* ---------- 反馈材料清单 ---------- */
.page-contact .prep-list {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  background: var(--ct-rule);
  border: 1px solid var(--ct-rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-contact .prep-item {
  display: flex;
  gap: 16px;
  padding: 22px 20px;
  background: var(--ct-card);
  transition: background .3s var(--ease);
}
.page-contact .prep-item:hover,
.page-contact .prep-item:focus-within { background: var(--ct-card-hi); }
.page-contact .prep-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}
.page-contact .prep-title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}
.page-contact .prep-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ct-text-soft);
}
.page-contact .prep-foot {
  margin: 22px 0 0;
  max-width: 52em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--stone);
}
.page-contact .prep-foot a,
.page-contact .registry-note a {
  color: var(--gold-pale);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 178, 60, .42);
  transition: border-color .22s var(--ease), color .22s var(--ease);
}
.page-contact .prep-foot a:hover,
.page-contact .registry-note a:hover { border-color: var(--gold-pale); }

/* ---------- 办公地点 ---------- */
.page-contact .locale-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}
.page-contact .locale-copy .ct-title { margin-bottom: 20px; }
.page-contact .locale-rows {
  margin: 0;
  padding: 0;
}
.page-contact .locale-row {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--ct-rule);
}
.page-contact .locale-row:first-child { padding-top: 4px; }
.page-contact .locale-row dt {
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--stone);
}
.page-contact .locale-row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}
.page-contact .locale-note {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-track {
  list-style: none;
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin: 0;
  padding: 0;
}
.page-contact .flow-step {
  position: relative;
  padding-top: 26px;
}
.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(227, 178, 60, .13);
}
.page-contact .flow-index {
  margin: 0 0 8px;
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--stone);
}
.page-contact .flow-title {
  margin: 0;
  font-size: clamp(16.5px, 1.9vw, 19px);
  line-height: 1.45;
  font-weight: 700;
  color: var(--paper);
}
.page-contact .flow-detail { margin-top: 12px; }
.page-contact .flow-detail summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}
.page-contact .flow-detail summary::-webkit-details-marker { display: none; }
.page-contact .flow-detail summary::after {
  content: "＋";
  font-size: 13px;
  line-height: 1;
  transition: transform .25s var(--ease);
}
.page-contact .flow-detail[open] summary::after { content: "－"; }
.page-contact .flow-detail summary:focus-visible {
  outline: 2px solid rgba(53, 208, 192, .55);
  outline-offset: 3px;
}
.page-contact .flow-detail p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: var(--ct-text-soft);
}

/* ---------- 备案铭牌 ---------- */
.page-contact .registry-plate {
  position: relative;
  padding: clamp(30px, 4.4vw, 50px) clamp(22px, 3.4vw, 46px);
  background: linear-gradient(158deg, rgba(110, 31, 26, .44), rgba(18, 20, 26, .94) 60%);
  border: 1px solid rgba(227, 178, 60, .34);
  border-radius: var(--radius);
}
.page-contact .registry-plate::before,
.page-contact .registry-plate::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(227, 178, 60, .62);
}
.page-contact .registry-plate::before {
  top: 10px;
  left: 10px;
  border-right: 0;
  border-bottom: 0;
}
.page-contact .registry-plate::after {
  right: 10px;
  bottom: 10px;
  border-top: 0;
  border-left: 0;
}
.page-contact .registry-plate .ct-title { margin-bottom: 24px; }
.page-contact .registry-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px 34px;
  margin: 0;
  padding: 0;
}
.page-contact .registry-item {
  display: grid;
  gap: 5px;
}
.page-contact .registry-item dt {
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--stone);
}
.page-contact .registry-item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--gold-pale);
  overflow-wrap: anywhere;
}
.page-contact .registry-note {
  margin: 26px 0 0;
  max-width: 46em;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--ct-text-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
  .page-contact .prep-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-contact .registry-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-contact .ct-head {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
  }
  .page-contact .ct-head__note {
    flex: 0 0 auto;
    max-width: 26em;
    text-align: right;
  }
}

@media (min-width: 940px) {
  .page-contact .reach-layout {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: start;
    gap: 34px;
  }
  .page-contact .locale-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
    gap: 40px;
  }
  .page-contact .reach-card { padding: 28px 26px; }
}

@media (min-width: 900px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
    padding-top: 12px;
  }
  .page-contact .flow-track::before {
    content: "";
    position: absolute;
    top: 6px;
    left: 0;
    right: 25%;
    height: 1px;
    background: linear-gradient(90deg, rgba(196, 30, 40, .6), rgba(227, 178, 60, .55) 52%, rgba(53, 208, 192, .38));
  }
  .page-contact .flow-step { padding-top: 30px; }
  .page-contact .flow-step::before { top: 0; }
}

@media (min-width: 1180px) {
  .page-contact .flow-track { gap: 34px; }
  .page-contact .prep-list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card__materials,
  .page-contact .flow-detail summary::after,
  .page-contact .prep-item {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within { transform: none; }
}
<<<END>>>

这些标记必须逐字使用，并且在输出中各出现一次，顺序为：、。不要用 Markdown 代码围栏，也不要添加任何解释。