.page-contact {
  background: var(--c-deep);
  color: var(--c-text);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-text-dim);
  margin-bottom: clamp(28px, 4vw, 46px);
}
.page-contact .breadcrumb a {
  color: var(--c-gold);
  text-decoration: none;
  transition: color .25s var(--ease-out);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--c-blue);
}
.page-contact .breadcrumb__sep {
  opacity: .5;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(104px, 13vw, 158px) 0 0;
  background:
    radial-gradient(circle at 80% 10%, rgba(63, 185, 255, .12), transparent 46%),
    radial-gradient(circle at 8% 82%, rgba(216, 169, 75, .12), transparent 44%),
    var(--c-deep);
  overflow: hidden;
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(34px, 5vw, 62px);
  align-items: center;
  padding-bottom: clamp(44px, 6vw, 74px);
}

.page-contact .contact-hero__narrative .eyebrow {
  color: var(--c-gold);
}

.page-contact .contact-hero__narrative h1 {
  margin: 14px 0 20px;
  font-size: clamp(30px, 5.2vw, 60px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.03em;
  color: var(--c-paper);
}

.page-contact .contact-hero__narrative .lede {
  max-width: 42ch;
  font-size: clamp(15px, 1.25vw, 17px);
  line-height: 1.78;
  color: var(--c-text-dim);
}

.page-contact .contact-hero__narrative .btn-row {
  margin-top: 30px;
}

.page-contact .contact-hero__facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin: 32px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid rgba(110, 122, 114, .42);
  font-size: 13px;
  color: var(--c-text-dim);
}
.page-contact .contact-hero__facts .mono {
  margin-right: 6px;
  color: var(--c-gold);
  font-weight: 700;
}

/* 纯 CSS 主题视觉：入口与路径 */
.page-contact .contact-hero__visual {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  max-width: 500px;
  margin-inline: auto;
  border: var(--frame) solid var(--c-gold);
  background:
    radial-gradient(circle at 70% 24%, rgba(63, 185, 255, .22), transparent 54%),
    radial-gradient(circle at 26% 78%, rgba(255, 122, 50, .18), transparent 52%),
    var(--c-deep-2);
  box-shadow: 10px 10px 0 rgba(216, 169, 75, .22);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .vis-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid rgba(216, 169, 75, .34);
  transform: translate(-50%, -50%);
}
.page-contact .vis-ring--1 {
  width: 36%;
  aspect-ratio: 1 / 1;
  border-color: rgba(216, 169, 75, .6);
}
.page-contact .vis-ring--2 {
  width: 62%;
  aspect-ratio: 1 / 1;
  border-color: rgba(63, 185, 255, .32);
}
.page-contact .vis-ring--3 {
  width: 88%;
  aspect-ratio: 1 / 1;
  border-color: rgba(216, 169, 75, .16);
}

.page-contact .vis-beam {
  position: absolute;
  left: -22%;
  right: -22%;
  top: 50%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-blue), transparent);
  transform: rotate(-32deg);
  opacity: .85;
}

.page-contact .vis-node {
  position: absolute;
  width: 12px;
  height: 12px;
  background: var(--c-orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 50, .18), 0 0 18px rgba(255, 122, 50, .85);
}
.page-contact .vis-node--a {
  top: 23%;
  left: 67%;
}
.page-contact .vis-node--b {
  top: 57%;
  left: 29%;
  background: var(--c-blue);
  box-shadow: 0 0 0 4px rgba(63, 185, 255, .18), 0 0 18px rgba(63, 185, 255, .85);
}
.page-contact .vis-node--c {
  top: 78%;
  left: 71%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(216, 169, 75, .22), 0 0 18px rgba(216, 169, 75, .85);
}

.page-contact .vis-label {
  right: 14px;
  bottom: 16px;
  font-size: 10px;
  letter-spacing: .3em;
  color: var(--c-text-dim);
}

/* 首屏横幅图 */
.page-contact .contact-hero__figure {
  margin: 0;
  border-top: var(--frame) solid var(--c-line);
}
.page-contact .contact-hero__figure .figure__media {
  background: var(--c-deep-2);
}
.page-contact .contact-hero__figure .figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-contact .contact-hero__figure .figure__cap {
  padding: 15px var(--gutter);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--c-text-dim);
  background: var(--c-deep-2);
  border-top: 1px solid rgba(110, 122, 114, .35);
}

/* ---------- 通用小节头 ---------- */
.page-contact .section-head {
  max-width: 780px;
  margin-bottom: clamp(34px, 4.6vw, 58px);
}
.page-contact .section-head .eyebrow {
  color: var(--c-gold);
}
.page-contact .section-head .h-1 {
  margin: 12px 0 18px;
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--c-paper);
}
.page-contact .section-head .lede {
  font-size: clamp(15px, 1.2vw, 16.5px);
  line-height: 1.78;
  color: var(--c-text-dim);
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-directions {
  padding: clamp(66px, 9vw, 118px) 0;
  background: var(--c-deep-2);
  border-top: var(--frame) solid var(--c-line);
  border-bottom: var(--frame) solid var(--c-line);
}

.page-contact .contact-directions__grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-contact .coop-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 26px 22px 24px;
  background: var(--c-deep-3);
  border: var(--frame) solid var(--c-line);
  box-shadow: 6px 6px 0 rgba(216, 169, 75, .2);
  transition: border-color .35s var(--ease-out), transform .35s var(--ease-out), box-shadow .35s var(--ease-out);
}
.page-contact .coop-card:hover,
.page-contact .coop-card:focus-within {
  border-color: var(--c-gold);
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0 rgba(216, 169, 75, .32);
}

.page-contact .coop-card__index {
  display: block;
  margin-bottom: 14px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--c-gold);
}

.page-contact .coop-card__title {
  margin: 0 0 14px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-contact .coop-card__audience {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-text-dim);
}

.page-contact .coop-card__more {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(110, 122, 114, .4);
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--c-text);
}

.page-contact .coop-card--channel {
  box-shadow: 6px 6px 0 rgba(63, 185, 255, .2);
}
.page-contact .coop-card--channel:hover,
.page-contact .coop-card--channel:focus-within {
  box-shadow: 10px 10px 0 rgba(63, 185, 255, .3);
}
.page-contact .coop-card--content {
  box-shadow: 6px 6px 0 rgba(124, 107, 255, .22);
}
.page-contact .coop-card--content:hover,
.page-contact .coop-card--content:focus-within {
  box-shadow: 10px 10px 0 rgba(124, 107, 255, .32);
}
.page-contact .coop-card--service {
  box-shadow: 6px 6px 0 rgba(255, 122, 50, .22);
}
.page-contact .coop-card--service:hover,
.page-contact .coop-card--service:focus-within {
  box-shadow: 10px 10px 0 rgba(255, 122, 50, .32);
}

/* ---------- 对接流程 ---------- */
.page-contact .contact-flow {
  padding: clamp(66px, 9vw, 118px) 0;
  background: var(--c-pale);
  color: var(--c-ink);
  border-bottom: var(--frame) solid var(--c-line);
}

.page-contact .section-head--ink .h-1 {
  color: var(--c-ink);
}
.page-contact .section-head--ink .lede {
  color: rgba(16, 35, 30, .72);
}
.page-contact .eyebrow--ink {
  color: #8A6318;
}

.page-contact .contact-flow__grid {
  display: grid;
  gap: clamp(34px, 5vw, 56px);
  align-items: start;
}

.page-contact .flow-rail {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}
.page-contact .flow-rail::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(180deg, #8A6318, rgba(16, 35, 30, .18));
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 18px;
  align-items: start;
}

.page-contact .flow-step__num {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-pale);
  background: var(--c-ink);
  border: 2px solid var(--c-ink);
  box-shadow: 0 0 0 3px var(--c-pale);
}

.page-contact .flow-step__title {
  margin: 4px 0 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-ink);
}

.page-contact .flow-step__text {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(16, 35, 30, .78);
}

.page-contact .flow-step__need {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
}
.page-contact .flow-step__need li {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  color: var(--c-ink);
  background: rgba(16, 35, 30, .07);
  border: 1px solid rgba(16, 35, 30, .22);
}

.page-contact .contact-flow__figure {
  margin: 0;
}
.page-contact .contact-flow__figure .figure__media {
  border: var(--frame) solid var(--c-ink);
  background: var(--c-deep-2);
}
.page-contact .contact-flow__figure .figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-contact .contact-flow__figure .figure__cap {
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: rgba(16, 35, 30, .62);
}

/* ---------- 合作支持 ---------- */
.page-contact .contact-support {
  padding: clamp(66px, 9vw, 118px) 0;
  background: var(--c-deep);
}

.page-contact .support-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--frame) solid var(--c-line);
}

.page-contact .support-item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 18px;
  align-items: start;
  padding: 26px 4px;
  border-bottom: 1px solid rgba(110, 122, 114, .4);
  transition: background-color .3s var(--ease-out);
}
.page-contact .support-item:hover {
  background: rgba(216, 169, 75, .05);
}

.page-contact .support-item__key {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  font-size: 13px;
  font-weight: 700;
  color: var(--c-deep);
  background: var(--c-gold);
}

.page-contact .support-item__title {
  margin: 0 0 8px;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-paper);
}

.page-contact .support-item__text {
  margin: 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text-dim);
}

/* ---------- 联系信息 ---------- */
.page-contact .contact-block {
  padding: clamp(66px, 9vw, 118px) 0 clamp(80px, 10vw, 140px);
  background:
    radial-gradient(circle at 88% 8%, rgba(255, 122, 50, .1), transparent 46%),
    var(--c-deep-3);
  border-top: var(--frame) solid var(--c-line);
}

.page-contact .contact-block__grid {
  display: grid;
  gap: clamp(34px, 5vw, 58px);
  align-items: start;
}

.page-contact .contact-block__intro .eyebrow {
  color: var(--c-orange);
}
.page-contact .contact-block__intro .h-1 {
  margin: 12px 0 18px;
  font-size: clamp(26px, 3.5vw, 44px);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--c-paper);
}
.page-contact .contact-block__intro .lede {
  max-width: 46ch;
  font-size: clamp(15px, 1.2vw, 16.5px);
  line-height: 1.78;
  color: var(--c-text-dim);
}
.page-contact .contact-block__hint {
  margin: 20px 0 0;
  padding: 14px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-paper);
  background: rgba(232, 178, 60, .12);
  border-left: 4px solid var(--c-amber);
}
.page-contact .contact-block__intro .btn-row {
  margin-top: 28px;
}

.page-contact .contact-cards {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .contact-card {
  padding: 20px 20px 18px;
  background: var(--c-deep-2);
  border: var(--frame) solid var(--c-line);
  box-shadow: 7px 7px 0 rgba(216, 169, 75, .24);
  transition: border-color .3s var(--ease-out), transform .3s var(--ease-out);
}
.page-contact .contact-card:hover {
  border-color: var(--c-gold);
  transform: translate(-2px, -2px);
}

.page-contact .contact-card__key {
  display: block;
  margin-bottom: 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--c-text-dim);
}

.page-contact .contact-card__value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.5vw, 19px);
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: .01em;
  color: var(--c-paper);
  word-break: break-word;
}

.page-contact .contact-card__note {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.66;
  color: var(--c-text-dim);
}

.page-contact .contact-card--mail {
  box-shadow: 7px 7px 0 rgba(63, 185, 255, .26);
}
.page-contact .contact-card--phone {
  box-shadow: 7px 7px 0 rgba(255, 122, 50, .28);
}
.page-contact .contact-card--icp .contact-card__value {
  color: var(--c-gold);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-directions__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .page-contact .contact-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: 7fr 5fr;
  }
  .page-contact .contact-hero__visual {
    margin-inline: 0 0 0 auto;
  }
  .page-contact .contact-block__grid {
    grid-template-columns: 6fr 6fr;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-directions__grid {
    grid-template-columns: 1.15fr .95fr .78fr 1.28fr;
    gap: 22px;
  }
  .page-contact .contact-flow__grid {
    grid-template-columns: 7fr 5fr;
    gap: clamp(38px, 5vw, 64px);
  }
  .page-contact .contact-flow__figure {
    position: sticky;
    top: 118px;
  }
  .page-contact .support-item {
    grid-template-columns: 52px 1fr;
    gap: 24px;
    padding: 30px 6px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-block__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(44px, 5vw, 72px);
  }
  .page-contact .contact-cards {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .contact-card,
  .page-contact .support-item {
    transition: none;
  }
  .page-contact .coop-card:hover,
  .page-contact .coop-card:focus-within,
  .page-contact .contact-card:hover {
    transform: none;
  }
}
<<<END>>>