.page-contact {
  --coop-shadow: 0 18px 40px -24px rgba(11, 31, 51, .35);
}

/* 面包屑 */
.page-contact .coop-crumbs-wrap {
  padding-block: clamp(1rem, 2.4vw, 1.6rem);
}

/* 首屏 */
.page-contact .coop-hero {
  padding-block: clamp(2.6rem, 6vw, 4.6rem) clamp(2.4rem, 5vw, 3.6rem);
  background:
    radial-gradient(circle at 86% 8%, rgba(224, 165, 38, .18), transparent 42%),
    linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 58%, var(--ink-3) 100%);
  color: var(--sand);
  position: relative;
  overflow: hidden;
}
.page-contact .coop-hero::after {
  content: "";
  position: absolute;
  right: -8%;
  top: -30%;
  width: 46%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(243, 203, 117, .14), transparent 64%);
  pointer-events: none;
}
.page-contact .coop-hero__inner {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
  grid-template-columns: 1fr;
  align-items: end;
  position: relative;
  z-index: 1;
}
.page-contact .coop-hero__head .eyebrow {
  color: var(--gold-soft);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
}
.page-contact .coop-hero h1 {
  margin: .55rem 0 0;
  font-size: clamp(2.1rem, 5.6vw, 3.6rem);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--sand);
}
.page-contact .coop-hero__lede {
  margin: 1.1rem 0 0;
  font-size: clamp(.95rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: rgba(247, 242, 232, .82);
  max-width: 52ch;
}
.page-contact .coop-hero__quick {
  display: grid;
  gap: .7rem;
  grid-template-columns: 1fr;
}
.page-contact .coop-quick {
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding: .95rem 1.15rem;
  background: rgba(247, 242, 232, .07);
  border: 1px solid rgba(247, 242, 232, .16);
  border-radius: var(--r-md);
  color: var(--sand);
  text-decoration: none;
  transition: background .22s var(--ease), border-color .22s var(--ease), transform .22s var(--ease);
}
.page-contact .coop-quick:hover {
  background: rgba(224, 165, 38, .16);
  border-color: var(--gold-soft);
  transform: translateY(-2px);
}
.page-contact .coop-quick__k {
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--gold-soft);
}
.page-contact .coop-quick__v {
  font-family: var(--mono);
  font-size: .95rem;
  word-break: break-word;
}

/* 主体分栏 */
.page-contact .coop-main {
  padding-block: clamp(2.4rem, 5vw, 4rem);
  background: var(--sand);
}
.page-contact .coop-split {
  display: grid;
  gap: clamp(1.6rem, 3.5vw, 2.6rem);
  grid-template-columns: 1fr;
}
.page-contact .coop-split__main .eyebrow {
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
}
.page-contact .coop-h2 {
  margin: .5rem 0 0;
  font-size: clamp(1.6rem, 3.4vw, 2.3rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.015em;
  color: var(--ink);
}
.page-contact .coop-lead {
  margin: .85rem 0 0;
  font-size: .98rem;
  line-height: 1.75;
  color: var(--muted-ink);
  max-width: 54ch;
}
.page-contact .coop-tracks {
  list-style: none;
  padding: 0;
  margin: 1.4rem 0 0;
  display: grid;
  gap: 1rem;
}
.page-contact .coop-track {
  position: relative;
  padding: 1.4rem 1.35rem 1.3rem;
  background: var(--sand-card);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), border-color .25s var(--ease);
}
.page-contact .coop-track:hover {
  transform: translateY(-3px);
  box-shadow: var(--coop-shadow);
  border-color: rgba(224, 165, 38, .5);
}
.page-contact .coop-track__tag {
  display: inline-block;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--ink-2);
  background: var(--sand);
  border: 1px solid var(--line);
  padding: .28rem .7rem;
  border-radius: 999px;
  margin-bottom: .8rem;
}
.page-contact .coop-track h3 {
  margin: 0 0 .5rem;
  font-size: 1.14rem;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.35;
}
.page-contact .coop-track p {
  margin: 0;
  font-size: .93rem;
  line-height: 1.72;
  color: var(--muted-ink);
}

/* 配图 */
.page-contact .coop-figure {
  margin: 1.6rem 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}
.page-contact .coop-figure .figure__media {
  border-radius: var(--r-lg);
  overflow: hidden;
}
.page-contact .coop-figure .figure__media img,
.page-contact .coop-prep__figure .figure__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

/* 右侧粘性联系卡 */
.page-contact .coop-split__aside {
  min-width: 0;
}
.page-contact .coop-sticky {
  background: linear-gradient(160deg, var(--ink) 0%, var(--ink-2) 100%);
  color: var(--sand);
  border: 1px solid rgba(247, 242, 232, .1);
  border-radius: var(--r-lg);
  padding: clamp(1.4rem, 2.6vw, 1.9rem);
  box-shadow: var(--coop-shadow);
}
.page-contact .coop-sticky__tag {
  margin: 0 0 .5rem;
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--gold-soft);
  text-transform: uppercase;
}
.page-contact .coop-sticky__title {
  margin: 0 0 .55rem;
  font-size: 1.2rem;
  font-weight: 800;
  line-height: 1.35;
  color: var(--sand);
}
.page-contact .coop-sticky__lead {
  margin: 0 0 1rem;
  font-size: .88rem;
  line-height: 1.65;
  color: rgba(247, 242, 232, .75);
}
.page-contact .coop-contactline {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: .3rem .6rem;
  align-items: center;
  padding: .75rem 0;
  border-top: 1px solid rgba(247, 242, 232, .12);
}
.page-contact .coop-contactline__k {
  grid-column: 1 / -1;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--gold-soft);
}
.page-contact .coop-contactline__v {
  color: var(--sand);
  font-family: var(--mono);
  font-size: .9rem;
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px dashed rgba(247, 242, 232, .28);
  padding-bottom: 1px;
  justify-self: start;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-contact .coop-contactline__v:hover {
  color: var(--gold-soft);
  border-bottom-color: var(--gold-soft);
}
.page-contact .coop-copy {
  font-family: var(--sans);
  font-size: .74rem;
  letter-spacing: .02em;
  padding: .34rem .78rem;
  border-radius: 999px;
  border: 1px solid rgba(247, 242, 232, .28);
  background: transparent;
  color: var(--sand);
  cursor: pointer;
  white-space: nowrap;
  transition: background .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.page-contact .coop-copy:hover {
  background: rgba(224, 165, 38, .18);
  border-color: var(--gold-soft);
  color: var(--gold-soft);
}
.page-contact .coop-copy.is-copied {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}
.page-contact .coop-sticky__note {
  margin: 1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid rgba(247, 242, 232, .12);
  font-size: .76rem;
  line-height: 1.6;
  color: rgba(247, 242, 232, .66);
}
.page-contact .coop-sticky__links {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.page-contact .coop-minilink {
  font-size: .84rem;
  color: var(--gold-soft);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-contact .coop-minilink:hover {
  color: var(--sand);
  text-decoration: underline;
}

/* 技术咨询准备 */
.page-contact .coop-prep {
  padding-block: clamp(2.4rem, 5vw, 4rem);
  background: var(--ink);
  color: var(--sand);
}
.page-contact .coop-prep__grid {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.2rem);
  grid-template-columns: 1fr;
  align-items: center;
}
.page-contact .coop-prep__intro .eyebrow {
  color: var(--gold-soft);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
}
.page-contact .coop-prep .coop-h2 {
  color: var(--sand);
}
.page-contact .coop-prep__list {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
  display: grid;
  gap: .85rem;
}
.page-contact .coop-prep__list li {
  padding: 1rem 1.1rem;
  background: rgba(247, 242, 232, .06);
  border: 1px solid rgba(247, 242, 232, .12);
  border-radius: var(--r-md);
}
.page-contact .coop-prep__list strong {
  display: block;
  font-size: .84rem;
  letter-spacing: .04em;
  color: var(--gold-soft);
  margin-bottom: .35rem;
}
.page-contact .coop-prep__list p {
  margin: 0;
  font-size: .9rem;
  line-height: 1.65;
  color: rgba(247, 242, 232, .8);
}
.page-contact .coop-prep__figure {
  margin: 0;
  border-radius: var(--r-lg);
  overflow: hidden;
}
.page-contact .coop-prep__figure .figure__media {
  border-radius: var(--r-lg);
  overflow: hidden;
}

/* 响应流程 */
.page-contact .coop-flow {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding-top: clamp(1.6rem, 3vw, 2.2rem);
  border-top: 1px solid var(--line-light);
}
.page-contact .coop-flow .eyebrow {
  color: var(--gold-soft);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
}
.page-contact .coop-flow .coop-h2 {
  color: var(--sand);
}
.page-contact .coop-steps {
  list-style: none;
  padding: 0;
  margin: 1.2rem 0 0;
  display: grid;
  gap: .8rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.page-contact .coop-steps li {
  padding: 1rem;
  background: rgba(247, 242, 232, .05);
  border: 1px solid rgba(247, 242, 232, .1);
  border-radius: var(--r-md);
}
.page-contact .coop-steps__n {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.6rem;
  height: 1.6rem;
  border-radius: 999px;
  background: var(--gold);
  color: var(--ink);
  font-family: var(--mono);
  font-weight: 700;
  font-size: .75rem;
  margin-bottom: .55rem;
}
.page-contact .coop-steps__t {
  display: block;
  font-size: .94rem;
  color: var(--sand);
  margin-bottom: .3rem;
}
.page-contact .coop-steps__d {
  margin: 0;
  font-size: .82rem;
  line-height: 1.6;
  color: rgba(247, 242, 232, .7);
}

/* 档案条 */
.page-contact .coop-archive {
  padding-block: clamp(2.2rem, 4.5vw, 3.6rem) clamp(2.6rem, 5vw, 4rem);
  background: var(--sand);
}
.page-contact .coop-archive__head .eyebrow {
  color: var(--ink-3);
  font-family: var(--mono);
  font-size: .74rem;
  letter-spacing: .14em;
}
.page-contact .coop-archive__bar {
  margin-top: 1.4rem;
  display: grid;
  gap: 1px;
  grid-template-columns: 1fr;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}
.page-contact .coop-archive__cell {
  background: var(--sand-card);
  padding: 1.1rem 1.2rem;
}
.page-contact .coop-archive__k {
  margin: 0 0 .3rem;
  font-family: var(--mono);
  font-size: .68rem;
  letter-spacing: .12em;
  color: var(--ink-3);
  text-transform: uppercase;
}
.page-contact .coop-archive__v {
  margin: 0;
  font-size: .9rem;
  line-height: 1.55;
  color: var(--text);
  word-break: break-word;
}
.page-contact .coop-archive__v a {
  color: var(--ink-3);
  text-decoration: none;
  border-bottom: 1px dashed rgba(27, 71, 104, .4);
}
.page-contact .coop-archive__v a:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}
.page-contact .coop-archive__v.mono {
  font-family: var(--mono);
}

/* 响应式 */
@media (min-width: 720px) {
  .page-contact .coop-archive__bar {
    grid-template-columns: 2fr 1.1fr 1.6fr 1fr;
  }
  .page-contact .coop-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .coop-hero__inner {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }
  .page-contact .coop-prep__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-contact .coop-split {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
  }
  .page-contact .coop-sticky {
    position: sticky;
    top: clamp(4.5rem, 9vh, 6rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-quick,
  .page-contact .coop-track,
  .page-contact .coop-copy,
  .page-contact .coop-minilink,
  .page-contact .coop-contactline__v {
    transition: none;
  }
}
<<<END>>>