.page-contact {
  color: var(--ink);
  font-family: var(--font-body);
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .co-crumbs {
  padding-top: var(--s3);
}

/* 首屏 */
.page-contact .co-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
  padding-top: var(--s2);
  padding-bottom: var(--s5);
}

.page-contact .co-eyebrow {
  margin: 0 0 var(--s2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--shu-red);
}

.page-contact h1 {
  margin: 0 0 var(--s3);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(28px, 7vw, 54px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  max-width: 14em;
}

.page-contact .co-lede {
  margin: 0 0 var(--s3);
  max-width: 620px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .co-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s2);
}

.page-contact .co-hero-side {
  padding: var(--s3);
  background: var(--paper-white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--bamboo);
  clip-path: var(--cut);
  box-shadow: var(--shadow-1);
}

.page-contact .co-mini-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .co-mini-facts li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .co-mini-facts li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .co-mini-num {
  font-family: var(--font-mono);
  font-size: 26px;
  line-height: 1;
  color: var(--bamboo);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-mini-text {
  font-size: 14px;
  line-height: 1.6;
  color: var(--grey-bamboo);
}

.page-contact .co-mini-note {
  margin: var(--s2) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--grey-bamboo);
}

/* 主分栏 */
.page-contact .co-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s4);
  padding-bottom: var(--s5);
}

.page-contact .co-block {
  margin-bottom: var(--s5);
}

.page-contact .co-block:last-child {
  margin-bottom: 0;
}

.page-contact .co-h2 {
  margin: 0 0 var(--s2);
  padding-left: 14px;
  border-left: 4px solid var(--shu-red);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-contact .co-sec-note {
  margin: 0 0 var(--s3);
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--grey-bamboo);
  max-width: 560px;
}

/* 合作方向 */
.page-contact .co-dir-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s2);
}

.page-contact .co-dir {
  padding: var(--s3);
  background: var(--paper-white);
  border: 1px solid var(--line);
  border-left: 3px solid var(--bamboo-soft);
  clip-path: var(--cut);
  box-shadow: var(--shadow-1);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-left-color 0.18s var(--ease);
}

.page-contact .co-dir:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
  border-left-color: var(--shu-red);
}

.page-contact .co-dir-kicker {
  margin: 0 0 var(--s1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--bamboo);
}

.page-contact .co-dir-title {
  margin: 0 0 var(--s2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.35;
  color: var(--ink);
}

.page-contact .co-dir-line {
  margin: 0 0 10px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey-bamboo);
}

.page-contact .co-dir-line:last-child {
  margin-bottom: 0;
}

.page-contact .co-dir-label {
  display: inline-block;
  margin-right: 8px;
  padding: 1px 6px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--paper-white);
  background: var(--bamboo);
  border-radius: 2px;
}

/* 筛选 */
.page-contact .co-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--s2);
}

.page-contact .co-filter .filter-btn {
  padding: 10px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1;
  color: var(--grey-bamboo);
  background: var(--paper-white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.16s var(--ease), color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .co-filter .filter-btn:hover {
  color: var(--shu-red);
  border-color: var(--shu-red);
}

.page-contact .co-filter .filter-btn[aria-pressed="true"] {
  color: var(--paper-white);
  background: var(--bamboo);
  border-color: var(--bamboo);
}

.page-contact .co-filter-status {
  margin: 0 0 var(--s3);
  font-size: 13px;
  color: var(--grey-bamboo);
}

/* 流程四步 */
.page-contact .co-steps {
  list-style: none;
  margin: 0 0 var(--s3);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s2);
}

.page-contact .co-step {
  position: relative;
  padding: var(--s3);
  background: var(--paper-white);
  border: 1px solid var(--line);
  clip-path: var(--cut);
  box-shadow: var(--shadow-1);
}

.page-contact .co-step-num {
  display: inline-block;
  margin-bottom: var(--s2);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--shu-red);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
}

.page-contact .co-step-time {
  margin: 0 0 var(--s1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--bamboo);
}

.page-contact .co-step-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey-bamboo);
}

/* 方向对应的流程说明 */
.page-contact .co-flow-notes {
  display: grid;
  gap: var(--s2);
}

.page-contact .co-flow-note {
  padding: var(--s3);
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-left: 3px solid var(--bamboo);
}

.page-contact .co-flow-note[data-filtered-out] {
  display: none;
}

.page-contact .co-flow-note-title {
  margin: 0 0 var(--s1);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .co-flow-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--grey-bamboo);
}

.page-contact .co-inline-link {
  color: var(--shu-red);
  text-decoration: none;
  border-bottom: 1px solid var(--shu-red);
}

.page-contact .co-inline-link:hover {
  color: var(--shu-red-deep);
  border-bottom-color: var(--shu-red-deep);
}

.page-contact .co-inline-link--light {
  color: var(--gold);
  border-bottom-color: var(--gold-deep);
}

.page-contact .co-inline-link--light:hover {
  color: var(--paper-white);
  border-bottom-color: var(--paper-white);
}

/* 第一封邮件五项 */
.page-contact .co-checklist {
  list-style: none;
  margin: 0 0 var(--s3);
  padding: 0;
  counter-reset: co-check;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s2);
}

.page-contact .co-checklist li {
  counter-increment: co-check;
  position: relative;
  padding: var(--s3) var(--s3) var(--s3) 58px;
  background: var(--paper-white);
  border: 1px solid var(--line);
  clip-path: var(--cut);
  box-shadow: var(--shadow-1);
}

.page-contact .co-checklist li::before {
  content: counter(co-check, decimal-leading-zero);
  position: absolute;
  left: var(--s3);
  top: var(--s3);
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1.2;
  color: var(--shu-red);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-check-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
}

.page-contact .co-check-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--grey-bamboo);
}

.page-contact .co-mail-foot {
  margin: 0;
  padding: var(--s3);
  font-size: 14px;
  line-height: 1.9;
  color: var(--grey-bamboo);
  background: var(--paper-white);
  border: 1px dashed var(--line);
}

/* 联系卡片 */
.page-contact .co-contact {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: var(--s3);
  color: var(--paper-warm);
  background: var(--ink);
  border: 1px solid var(--gold-deep);
  clip-path: var(--cut);
}

.page-contact .co-contact-tex {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  pointer-events: none;
}

.page-contact .co-contact-kicker {
  margin: 0 0 var(--s1);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}

.page-contact .co-contact-title {
  margin: 0 0 var(--s3);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  line-height: 1.3;
  color: var(--paper-white);
}

.page-contact .co-contact-list {
  list-style: none;
  margin: 0 0 var(--s3);
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .co-contact-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(246, 239, 225, 0.22);
}

.page-contact .co-contact-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .co-label {
  grid-column: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--bamboo-soft);
}

.page-contact .co-value {
  grid-column: 1;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-warm);
  word-break: break-word;
}

.page-contact .co-mono {
  font-family: var(--font-mono);
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.01em;
}

.page-contact .co-hint {
  grid-column: 1;
  font-size: 12px;
  color: var(--bamboo-soft);
}

.page-contact .co-copy {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  padding: 7px 12px;
  font-family: var(--font-body);
  font-size: 12px;
  line-height: 1.2;
  color: var(--gold);
  background: transparent;
  border: 1px solid var(--gold-deep);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.16s var(--ease), color 0.16s var(--ease);
}

.page-contact .co-copy:hover {
  background: var(--gold);
  color: var(--ink);
}

.page-contact .co-copy:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-contact .co-contact-note {
  padding-top: var(--s2);
  border-top: 1px solid rgba(192, 139, 50, 0.35);
}

.page-contact .co-contact-note p {
  margin: 0 0 var(--s1);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(246, 239, 225, 0.78);
}

.page-contact .co-contact-note p:last-child {
  margin-bottom: 0;
}

.page-contact .co-contact-tail {
  margin: var(--s3) 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(246, 239, 225, 0.7);
}

/* 底部图带 */
.page-contact .co-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--s3);
  padding-top: var(--s4);
  padding-bottom: var(--s5);
  border-top: 1px solid var(--line);
}

.page-contact .co-strip-figure {
  margin: 0;
}

.page-contact .co-strip-figure img {
  width: 100%;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: var(--cut);
}

.page-contact .co-strip-figure figcaption {
  margin-top: var(--s1);
  font-size: 12px;
  line-height: 1.7;
  color: var(--grey-bamboo);
}

.page-contact .co-strip-title {
  margin: 0 0 var(--s2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(20px, 3.6vw, 28px);
  line-height: 1.3;
}

.page-contact .co-strip-text p {
  margin: 0 0 var(--s3);
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey-bamboo);
}

.page-contact .co-link {
  display: inline-block;
  padding-bottom: 3px;
  font-size: 15px;
  font-weight: 600;
  color: var(--shu-red);
  text-decoration: none;
  border-bottom: 2px solid var(--shu-red);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-contact .co-link:hover {
  color: var(--shu-red-deep);
  border-bottom-color: var(--shu-red-deep);
}

/* 平板 */
@media (min-width: 720px) {
  .page-contact .co-dir-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .co-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .co-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .co-strip {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: var(--s4);
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-contact .co-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
    gap: var(--s4);
    padding-top: var(--s3);
  }

  .page-contact .co-lede {
    font-size: 17px;
  }
}

@media (min-width: 1024px) {
  .page-contact .co-layout {
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: var(--s4);
    align-items: start;
  }

  .page-contact .co-aside {
    position: sticky;
    top: 84px;
    align-self: start;
  }

  .page-contact .co-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .co-step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 34px;
    right: -16px;
    width: 16px;
    height: 2px;
    background: var(--bamboo-soft);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .co-dir,
  .page-contact .co-copy,
  .page-contact .co-link,
  .page-contact .co-filter .filter-btn {
    transition: none;
  }

  .page-contact .co-dir:hover {
    transform: none;
  }
}
<<<END>>>