.page-contact {
  --co-pad: clamp(56px, 8vw, 112px);
  --co-gap: clamp(20px, 3vw, 44px);
  --co-measure: 68ch;
  background: var(--c-ink);
  color: var(--c-paper);
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact :focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .co-hero {
  position: relative;
  padding-top: calc(var(--header-h) + clamp(28px, 5vw, 64px));
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(0, 229, 195, 0.14), transparent 58%),
    radial-gradient(90% 80% at 96% 6%, rgba(255, 179, 71, 0.10), transparent 60%),
    var(--c-ink);
  overflow: hidden;
}

.page-contact .co-hero-inner {
  padding-bottom: clamp(28px, 5vw, 56px);
}

.page-contact .co-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font: 500 13px/1 var(--font-body);
  letter-spacing: 0.06em;
  color: var(--c-moss);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .co-crumbs a {
  color: var(--c-moss);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact .co-crumbs a:hover {
  color: var(--c-cyan);
}

.page-contact .co-crumbs span[aria-current="page"] {
  color: var(--c-paper);
}

.page-contact .co-kicker {
  margin: 0 0 16px;
  font: 600 13px/1 var(--font-body);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-contact .co-hero h1 {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.4vw, 66px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--c-paper);
}

.page-contact .co-lede {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: var(--co-measure);
  font-family: var(--font-body);
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.78;
  color: rgba(234, 243, 239, 0.76);
}

.page-contact .co-hero-meta {
  list-style: none;
  margin: clamp(32px, 5vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  border-top: 1px solid var(--c-line);
  padding-top: clamp(20px, 3vw, 28px);
}

.page-contact .co-hero-meta li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-contact .co-hero-meta strong {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(26px, 3.4vw, 40px);
  line-height: 1;
  color: var(--c-paper);
}

.page-contact .co-hero-meta li:first-child strong {
  color: var(--c-cyan);
}

.page-contact .co-hero-meta li:nth-child(2) strong {
  color: var(--c-gold);
}

.page-contact .co-hero-meta span {
  font: 500 13px/1.5 var(--font-body);
  letter-spacing: 0.04em;
  color: var(--c-moss);
}

.page-contact .co-hero-actions {
  margin-top: clamp(26px, 4vw, 40px);
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-contact .co-hero-figure {
  margin: 0;
  position: relative;
  background: var(--c-night);
  overflow: hidden;
}

.page-contact .co-hero-figure img {
  display: block;
  width: 100%;
  height: clamp(200px, 40vw, 520px);
  object-fit: cover;
  max-width: 100%;
}

.page-contact .co-hero-figure figcaption {
  position: absolute;
  left: clamp(18px, 4vw, 48px);
  right: clamp(18px, 4vw, 48px);
  bottom: clamp(14px, 2vw, 24px);
  font: 500 13px/1.6 var(--font-body);
  letter-spacing: 0.03em;
  color: var(--c-mist);
  text-shadow: 0 1px 12px rgba(7, 31, 24, 0.9);
}

/* ---------- 通用章节 ---------- */
.page-contact .co-section {
  position: relative;
  padding: var(--co-pad) 0;
  border-top: 1px solid rgba(107, 133, 120, 0.32);
}

.page-contact .co-head {
  max-width: 60ch;
}

.page-contact .co-head-lede {
  margin: 16px 0 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: rgba(234, 243, 239, 0.68);
}

.page-contact .co-section .section-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 3.2vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--c-paper);
}

.page-contact .co-section .section-kicker {
  margin: 0;
  font: 600 12px/1 var(--font-body);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-moss);
}

/* ---------- 合作内容：档案夹双栏 ---------- */
.page-contact .co-split {
  margin-top: clamp(32px, 5vw, 56px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--co-gap);
}

.page-contact .co-col--side {
  min-width: 0;
}

.page-contact .co-dossier {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--c-cyan);
}

.page-contact .co-dossier li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(107, 133, 120, 0.45);
  transition: background-color 0.24s var(--ease), padding-left 0.24s var(--ease);
}

.page-contact .co-dossier li:hover {
  background: rgba(0, 229, 195, 0.06);
  padding-left: 10px;
}

.page-contact .co-dossier-num {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1;
  color: var(--c-cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-dossier li:nth-child(2) .co-dossier-num,
.page-contact .co-dossier li:nth-child(4) .co-dossier-num {
  color: var(--c-gold);
}

.page-contact .co-dossier-label {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.6;
  color: rgba(234, 243, 239, 0.8);
}

.page-contact .co-dossier-note {
  margin: 20px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-moss);
}

.page-contact .co-col--main {
  min-width: 0;
}

.page-contact .co-offer-block {
  padding: clamp(20px, 2.6vw, 30px) 0 clamp(22px, 2.8vw, 32px) clamp(16px, 2vw, 26px);
  border-left: 2px solid var(--c-line);
  border-top: 1px solid rgba(107, 133, 120, 0.35);
}

.page-contact .co-offer-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .co-offer-block:nth-child(1) {
  border-left-color: var(--c-cyan);
}

.page-contact .co-offer-block:nth-child(2) {
  border-left-color: var(--c-gold);
}

.page-contact .co-offer-block:nth-child(3) {
  border-left-color: var(--c-cyan-deep);
}

.page-contact .co-offer-block:nth-child(4) {
  border-left-color: var(--c-moss);
}

.page-contact .co-offer-block h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 1.8vw, 23px);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: var(--c-paper);
}

.page-contact .co-offer-block p {
  margin: 0 0 10px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(234, 243, 239, 0.72);
}

.page-contact .co-offer-fit {
  font-family: var(--font-data) !important;
  font-size: 12.5px !important;
  letter-spacing: 0.02em;
  color: var(--c-mist) !important;
  padding-top: 4px;
}

/* ---------- 合作伙伴 ---------- */
.page-contact .co-partners {
  background: var(--c-night);
}

.page-contact .co-partner-grid {
  list-style: none;
  margin: clamp(32px, 5vw, 56px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

.page-contact .co-partner {
  padding: 24px 22px 26px;
  border-top: 2px solid var(--c-line);
  background: linear-gradient(180deg, rgba(11, 61, 46, 0.85), rgba(7, 31, 24, 0.5));
  transition: border-color 0.26s var(--ease), transform 0.26s var(--ease);
}

.page-contact .co-partner:hover {
  border-top-color: var(--c-cyan);
  transform: translateY(-3px);
}

.page-contact .co-partner:nth-child(2):hover {
  border-top-color: var(--c-gold);
}

.page-contact .co-partner:nth-child(3):hover {
  border-top-color: var(--c-moss);
}

.page-contact .co-partner:nth-child(4):hover {
  border-top-color: var(--c-cyan-deep);
}

.page-contact .co-partner h3 {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-contact .co-partner p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(234, 243, 239, 0.7);
}

.page-contact .co-partners-note {
  margin: 32px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--c-gold);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 流程 ---------- */
.page-contact .co-flow-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--co-gap);
  align-items: end;
}

.page-contact .co-flow-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  background: var(--c-night);
}

.page-contact .co-flow-figure img {
  display: block;
  width: 100%;
  height: clamp(160px, 26vw, 260px);
  object-fit: cover;
  max-width: 100%;
}

.page-contact .co-flow-figure figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 12px;
  font: 500 12.5px/1.5 var(--font-body);
  letter-spacing: 0.03em;
  color: var(--c-mist);
  text-shadow: 0 1px 10px rgba(7, 31, 24, 0.9);
}

.page-contact .co-steps {
  list-style: none;
  margin: clamp(34px, 5vw, 56px) 0 0;
  padding: 0 0 8px;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(232px, 78vw);
  gap: 0;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-contact .co-step {
  position: relative;
  scroll-snap-align: start;
  padding: 26px 22px 26px 0;
  border-top: 2px solid rgba(107, 133, 120, 0.5);
  padding-right: 24px;
}

.page-contact .co-step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 34px;
  height: 2px;
  background: var(--c-cyan);
}

.page-contact .co-step:nth-child(2)::before {
  background: var(--c-gold);
}

.page-contact .co-step:nth-child(3)::before {
  background: var(--c-cyan-deep);
}

.page-contact .co-step:nth-child(4)::before {
  background: var(--c-moss);
}

.page-contact .co-step-num {
  display: block;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
  color: var(--c-cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-step:nth-child(2) .co-step-num {
  color: var(--c-gold);
}

.page-contact .co-step:nth-child(3) .co-step-num {
  color: var(--c-cyan-deep);
}

.page-contact .co-step:nth-child(4) .co-step-num {
  color: var(--c-moss);
}

.page-contact .co-step h3 {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--c-paper);
}

.page-contact .co-step p {
  margin: 0 0 14px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(234, 243, 239, 0.7);
}

.page-contact .co-step-out {
  margin: 0 !important;
  font-family: var(--font-data) !important;
  font-size: 12.5px !important;
  letter-spacing: 0.02em;
  color: var(--c-mist) !important;
}

/* ---------- 覆盖与响应 ---------- */
.page-contact .co-reach {
  background: var(--c-night);
}

.page-contact .co-reach-grid {
  margin-top: clamp(32px, 5vw, 52px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--co-gap);
  align-items: center;
}

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

.page-contact .co-reach-figure svg {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
}

.page-contact .co-reach-cap {
  margin: 14px 0 0;
  max-width: 34ch;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-moss);
}

.page-contact .co-reach-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 26px 18px;
  min-width: 0;
}

.page-contact .co-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-contact .co-stat .stat {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 54px);
  line-height: 1;
  color: var(--c-cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .co-stat .stat--gold {
  color: var(--c-gold);
}

.page-contact .co-stat-unit {
  font-size: 0.44em;
  margin-left: 3px;
  letter-spacing: 0.02em;
}

.page-contact .co-stat .stat-label {
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-moss);
}

.page-contact .co-reach-notes {
  margin-top: clamp(32px, 5vw, 48px);
  padding-top: 26px;
  border-top: 1px solid rgba(107, 133, 120, 0.4);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-contact .co-reach-notes p {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.82;
  color: rgba(234, 243, 239, 0.72);
}

/* ---------- 联系渠道 ---------- */
.page-contact .co-contact-grid {
  margin-top: clamp(32px, 5vw, 52px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .co-contact-card {
  padding: 26px 24px;
  border: 1px solid var(--c-line);
  border-left-width: 3px;
  background: rgba(7, 31, 24, 0.55);
  min-width: 0;
}

.page-contact .co-contact-card--mail {
  border-left-color: var(--c-cyan);
}

.page-contact .co-contact-card:nth-child(2) {
  border-left-color: var(--c-gold);
}

.page-contact .co-contact-card:nth-child(3) {
  border-left-color: var(--c-moss);
}

.page-contact .co-contact-label {
  margin: 0 0 12px;
  font: 600 12px/1 var(--font-body);
  letter-spacing: 0.2em;
  color: var(--c-moss);
}

.page-contact .co-contact-value {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 22px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--c-paper);
  word-break: break-word;
}

.page-contact .co-contact-value--addr {
  font-size: clamp(15px, 1.6vw, 19px);
}

.page-contact .co-contact-note {
  margin: 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(234, 243, 239, 0.66);
}

.page-contact .co-contact-tip {
  margin: 26px 0 0;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 常见问题 ---------- */
.page-contact .co-faq {
  background: var(--c-ink);
  padding-bottom: clamp(72px, 10vw, 140px);
}

.page-contact .co-faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.page-contact .co-faq-list {
  min-width: 0;
}

.page-contact .co-faq-item {
  border-bottom: 1px solid rgba(107, 133, 120, 0.45);
}

.page-contact .co-faq-item:first-child {
  border-top: 1px solid rgba(107, 133, 120, 0.45);
}

.page-contact .co-faq-item summary {
  cursor: pointer;
  padding: 20px 40px 20px 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--c-paper);
  list-style: none;
  position: relative;
  transition: color 0.2s var(--ease);
}

.page-contact .co-faq-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .co-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-data);
  font-size: 20px;
  line-height: 1;
  color: var(--c-cyan);
}

.page-contact .co-faq-item[open] summary::after {
  content: "–";
  color: var(--c-gold);
}

.page-contact .co-faq-item summary:hover {
  color: var(--c-cyan);
}

.page-contact .co-faq-item .disclosure-body p {
  margin: 0 0 22px;
  max-width: var(--co-measure);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(234, 243, 239, 0.72);
}

.page-contact .co-faq-tail {
  margin: clamp(36px, 5vw, 56px) 0 0;
  max-width: var(--co-measure);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.9;
  color: rgba(234, 243, 239, 0.7);
}

.page-contact .co-faq-tail a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 195, 0.4);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .co-faq-tail a:hover {
  color: var(--c-gold);
  border-bottom-color: rgba(255, 179, 71, 0.5);
}

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

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

  .page-contact .co-reach-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .co-split {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-contact .co-flow-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .co-reach-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .co-contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .co-faq-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(40px, 6vw, 96px);
  }

  .page-contact .co-faq-head {
    position: sticky;
    top: calc(var(--header-h-solid) + 32px);
  }
}

@media (min-width: 1000px) {
  .page-contact .co-steps {
    grid-auto-flow: row;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
    gap: 0;
    padding-bottom: 0;
  }

  .page-contact .co-step {
    padding-right: clamp(20px, 2.4vw, 36px);
    border-right: 1px solid rgba(107, 133, 120, 0.28);
  }

  .page-contact .co-step:last-child {
    border-right: 0;
    padding-right: 0;
  }

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

@media (min-width: 1100px) {
  .page-contact .co-reach-stats {
    gap: 34px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .co-dossier li,
  .page-contact .co-partner,
  .page-contact .co-faq-item summary,
  .page-contact .co-faq-tail a {
    transition: none;
  }

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