.page-contact {
  --ct-rail-w: 300px;
  --ct-gap: clamp(24px, 4vw, 56px);
  background-color: var(--paper);
  color: var(--ink);
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--track);
  outline-offset: 3px;
}

/* ── 首屏 ───────────────────────────────── */
.page-contact .contact-hero {
  padding: clamp(22px, 3.4vw, 40px) 0 clamp(30px, 4.6vw, 60px);
  border-bottom: 2px solid var(--ink);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-strong);
}

.page-contact .breadcrumb-list a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .breadcrumb-list [aria-current="page"] {
  color: var(--field-dark);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
}

.page-contact .hero-copy .display {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6.4vw, 62px);
  line-height: 1.03;
  letter-spacing: -.02em;
  color: var(--ink);
}

.page-contact .hero-copy .dek {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.9vw, 18px);
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .hero-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-top: 4px solid var(--field);
  background: var(--ink);
  overflow: hidden;
}

.page-contact .hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .hero-figure .media-cap {
  position: static;
  display: block;
  padding: 10px 14px;
  background: var(--ink);
  border-top: 1px solid var(--line-invert);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: .02em;
  color: var(--on-ink);
}

/* ── 主体两栏 ───────────────────────────── */
.page-contact .contact-body {
  padding: clamp(32px, 5vw, 64px) 0;
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .contact-rail {
  display: grid;
  gap: clamp(16px, 2.2vw, 22px);
}

.page-contact .contact-card {
  background: var(--ink);
  color: var(--paper);
  padding: clamp(20px, 3vw, 28px);
  border-top: 4px solid var(--track);
}

.page-contact .rail-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--score);
}

.page-contact .rail-kicker--ink {
  color: var(--field-dark);
}

.page-contact .contact-card h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(20px, 2.4vw, 25px);
  line-height: 1.2;
  letter-spacing: -.012em;
  color: var(--paper);
}

.page-contact .channel-list {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  padding: 0;
}

.page-contact .channel {
  padding: 12px 0;
  border-top: 1px solid var(--line-invert);
}

.page-contact .channel:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, .55);
}

.page-contact .channel-value {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
  word-break: break-word;
  user-select: all;
}

.page-contact .channel-value--phone {
  font-size: clamp(19px, 2.4vw, 22px);
  letter-spacing: .03em;
  color: var(--score);
}

.page-contact .channel-note {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-invert);
  font-size: 13px;
  line-height: 1.78;
  color: var(--on-ink);
}

.page-contact .card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.page-contact .filing-card {
  padding: clamp(16px, 2.4vw, 22px);
  background: var(--white);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--slate);
}

.page-contact .filing-list {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
}

.page-contact .filing-list dt {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .filing-list dd {
  margin: 3px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .filing-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: 13px;
}

.page-contact .filing-links a {
  color: var(--field-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 122, 75, .4);
}

/* ── 合作方向 ───────────────────────────── */
.page-contact .main-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.15;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .main-head > p:not(.kicker) {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .coop-acc {
  margin-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--line-strong);
}

.page-contact .coop-acc .acc-item {
  border-bottom: 1px solid var(--line-strong);
  transition: background-color .16s ease;
}

.page-contact .coop-acc .acc-item:hover {
  background: rgba(78, 110, 82, .06);
}

.page-contact .coop-acc .acc-head {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-contact .coop-acc .acc-trigger {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  padding: 18px 4px 18px 0;
  background: none;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  font: inherit;
}

.page-contact .acc-idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--track);
}

.page-contact .acc-title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(16px, 2vw, 19.5px);
  letter-spacing: -.012em;
  line-height: 1.35;
}

.page-contact .coop-acc .acc-panel {
  padding: 0 0 22px 0;
}

.page-contact .coop-acc .acc-panel > p {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .coop-acc .acc-panel ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-acc .acc-panel li {
  position: relative;
  padding-left: 18px;
  max-width: 64ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink);
}

.page-contact .coop-acc .acc-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--field);
}

.page-contact .coop-acc .acc-panel li strong {
  font-weight: 700;
  color: var(--field-dark);
}

.page-contact .main-footnote {
  margin-top: 22px;
  padding: 14px 16px;
  border-left: 3px solid var(--moss);
  background: rgba(78, 110, 82, .1);
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .main-footnote p {
  margin: 0;
}

.page-contact .main-footnote a {
  color: var(--field-dark);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 122, 75, .45);
}

/* ── 流程（深色带） ─────────────────────── */
.page-contact .contact-flow {
  padding: clamp(36px, 6vw, 74px) 0;
  background: var(--ink);
  color: var(--paper);
  border-top: 4px solid var(--field);
  border-bottom: 1px solid var(--line-invert);
}

.page-contact .contact-flow .kicker {
  color: var(--score);
}

.page-contact .flow-head h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .flow-dek {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--on-ink);
}

.page-contact .flow-visual {
  margin: clamp(22px, 3.4vw, 36px) 0 0;
  border: 1px solid var(--line-invert);
  overflow: hidden;
}

.page-contact .flow-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
}

.page-contact .contact-steps {
  display: grid;
  gap: 0;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-steps .step {
  position: relative;
  padding: 0 0 26px 28px;
  border-left: 2px solid rgba(244, 241, 232, .22);
  transition: border-color .16s ease;
}

.page-contact .contact-steps .step::before {
  content: "";
  position: absolute;
  left: -6px;
  top: 3px;
  width: 10px;
  height: 10px;
  background: var(--score);
  transition: background-color .16s ease;
}

.page-contact .contact-steps .step[data-state="now"]::before {
  background: var(--track);
}

.page-contact .contact-steps .step:hover {
  border-left-color: var(--field);
}

.page-contact .contact-steps .step:hover::before {
  background: var(--track);
}

.page-contact .contact-steps .step:last-child {
  padding-bottom: 0;
}

.page-contact .step-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--score);
}

.page-contact .contact-steps h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-steps p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--on-ink);
}

/* ── 咨询准备 ───────────────────────────── */
.page-contact .contact-prep {
  padding: clamp(36px, 6vw, 72px) 0;
}

.page-contact .prep-head h2 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(23px, 3.4vw, 34px);
  line-height: 1.15;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .prep-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 20px);
  margin-top: clamp(22px, 3vw, 32px);
}

.page-contact .prep-block {
  padding: 20px 18px 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--stone);
}

.page-contact .prep-block--field { border-top-color: var(--field); }
.page-contact .prep-block--slate { border-top-color: var(--slate); }
.page-contact .prep-block--clay  { border-top-color: var(--clay); }
.page-contact .prep-block--track { border-top-color: var(--track); }

.page-contact .prep-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--stone);
}

.page-contact .prep-block h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16.5px;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .prep-block p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--stone);
}

/* ── 响应式 ─────────────────────────────── */
@media (min-width: 700px) {
  .page-contact .prep-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: end;
  }

  .page-contact .contact-layout {
    grid-template-columns: minmax(0, var(--ct-rail-w)) minmax(0, 1fr);
  }

  .page-contact .contact-rail {
    position: sticky;
    top: 96px;
  }

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

  .page-contact .contact-steps .step {
    padding: 30px 20px 0 0;
    border-left: 0;
    border-top: 2px solid rgba(244, 241, 232, .22);
  }

  .page-contact .contact-steps .step:hover {
    border-left-color: transparent;
    border-top-color: var(--field);
  }

  .page-contact .contact-steps .step::before {
    left: 0;
    top: -6px;
  }
}

@media (min-width: 1080px) {
  .page-contact .prep-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-acc .acc-item,
  .page-contact .contact-steps .step,
  .page-contact .contact-steps .step::before {
    transition: none;
  }
}
<<<END>>>