.page-contact {
  --pc-gap: clamp(16px, 2.4vw, 28px);
  --pc-block: clamp(48px, 7vw, 92px);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: var(--pc-block);
}

.page-contact .pc-hero .breadcrumb {
  margin-bottom: clamp(28px, 5vw, 52px);
}

.page-contact .pc-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--green-200);
}

.page-contact .pc-h1 {
  margin: 0 0 20px;
  font-size: clamp(34px, 6.4vw, 68px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--ink-on-dark);
}

.page-contact .pc-lead {
  margin: 0 0 22px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-on-dark-soft);
}

.page-contact .pc-hero-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--green-200);
}

.page-contact .pc-hero-card {
  padding: 26px 24px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(14, 158, 110, 0.18), rgba(8, 32, 58, 0.28));
}

.page-contact .pc-hero-card-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-on-dark-soft);
}

.page-contact .pc-hero-card-time {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 600;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-contact .pc-hero-card-text {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-on-dark-soft);
}

.page-contact .pc-hero-card-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .pc-hero-card-list li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-on-dark);
}

.page-contact .pc-hero-card-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange-500);
}

/* ---------- 区块共用标题 ---------- */
.page-contact .pc-sec-head {
  max-width: 660px;
  margin-bottom: clamp(26px, 4vw, 48px);
}

.page-contact .pc-index {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--orange-500);
}

.page-contact .pc-h2 {
  margin: 0 0 14px;
  font-size: clamp(25px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .pc-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .pc-sec-head--on-dark .pc-h2 {
  color: var(--ink-on-dark);
}

.page-contact .pc-sec-head--on-dark .pc-sub {
  color: var(--ink-on-dark-soft);
}

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

.page-contact .pc-dir {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 26px 22px;
  border-radius: var(--radius-lg);
}

.page-contact .pc-dir .card-eyebrow {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--green-600);
}

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

.page-contact .pc-dir .card-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .pc-dir-list {
  margin: 4px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
}

.page-contact .pc-dir-list dt {
  margin: 0 0 5px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-contact .pc-dir-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 合作流程 ---------- */
.page-contact .pc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .pc-step {
  position: relative;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--green-600);
  box-shadow: 0 0 0 4px rgba(14, 158, 110, 0.18);
}

.page-contact .pc-step-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--green-200);
}

.page-contact .pc-step h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--ink-on-dark);
}

.page-contact .pc-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ink-on-dark-soft);
}

.page-contact .pc-flow-figure {
  margin: clamp(32px, 5vw, 56px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: linear-gradient(140deg, var(--blue-900), var(--blue-700));
}

.page-contact .pc-flow-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 24vw, 300px);
  object-fit: cover;
}

.page-contact .pc-flow-figure figcaption {
  padding: 16px 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-on-dark-soft);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-signboard {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .pc-sign {
  padding: 26px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.page-contact .pc-sign-label {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--stone);
}

.page-contact .pc-sign-value {
  margin: 0 0 12px;
  font-size: clamp(19px, 2.6vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-sign-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .pc-contact-figure {
  margin: clamp(26px, 4vw, 44px) 0 0;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--blue-900);
}

.page-contact .pc-contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(150px, 21vw, 250px);
  object-fit: cover;
}

.page-contact .pc-contact-figure figcaption {
  padding: 16px 20px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

/* ---------- 问题反馈 ---------- */
.page-contact .pc-report-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .pc-report-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .pc-report-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-contact .pc-report-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
  padding-top: 2px;
}

.page-contact .pc-report-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .pc-report-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .pc-faq {
  margin-top: clamp(28px, 4vw, 44px);
  display: grid;
  gap: 12px;
}

.page-contact .pc-report-more {
  margin: clamp(22px, 3vw, 32px) 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--stone);
}

.page-contact .pc-report-more a,
.page-contact .pc-brief-note a {
  color: var(--blue-400);
  text-decoration: none;
  border-bottom: 1px solid var(--blue-400);
}

.page-contact .pc-report-more a:hover,
.page-contact .pc-brief-note a:hover {
  color: var(--green-600);
  border-bottom-color: var(--green-600);
}

/* ---------- 需求清单 ---------- */
.page-contact .pc-fields {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 32px;
}

.page-contact .pc-field {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-field-label {
  margin: 0 0 6px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-contact .pc-field-value {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .pc-brief-note {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--orange-500);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--orange-100);
  font-size: 14px;
  line-height: 1.9;
  color: var(--ink);
}

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

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

@media (min-width: 960px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .pc-dir-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .pc-dir.card--offset {
    transform: translateY(28px);
  }

  .page-contact .pc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(20px, 3vw, 36px);
  }

  .page-contact .pc-report-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

  .page-contact .pc-report-grid .pc-sec-head {
    margin-bottom: 0;
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
}

@media (min-width: 1200px) {
  .page-contact .pc-signboard {
    gap: 18px;
  }

  .page-contact .pc-dir.card--offset {
    transform: translateY(36px);
  }
}
<<<END>>>