.page-contact {
  --pc-rail: 300px;
  --pc-gap: clamp(28px, 4vw, 64px);
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(60, 67, 80, 0.18) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(60, 67, 80, 0.18) 1px, transparent 1px);
  background-size: 128px 128px;
  color: var(--bone);
}

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

.page-contact .breadcrumbs {
  padding-block: 18px 4px;
}

.page-contact .contact-stage {
  padding-block: clamp(16px, 2.5vw, 32px) clamp(64px, 9vw, 128px);
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 60px);
}

@media (min-width: 1000px) {
  .page-contact .contact-grid {
    grid-template-columns: var(--pc-rail) minmax(0, 1fr);
    gap: var(--pc-gap);
    align-items: start;
  }
  .page-contact .contact-rail-inner {
    position: sticky;
    top: 108px;
  }
}

/* ---------- 左侧联络轴 ---------- */

.page-contact .contact-rail {
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.page-contact .contact-rail .kicker {
  margin: 0;
}

.page-contact .rail-list {
  display: grid;
  gap: 18px;
  margin: 18px 0 0;
}

.page-contact .rail-item dt {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: rgba(242, 239, 230, 0.5);
  text-transform: uppercase;
}

.page-contact .rail-value {
  margin: 7px 0 0;
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--bone);
  word-break: break-word;
}

.page-contact .rail-item--line .rail-value {
  border: 1px solid var(--away);
  background: rgba(30, 75, 255, 0.1);
  padding: 9px 12px;
  font-size: 14px;
  color: var(--bone);
}

.page-contact .rail-value--plain {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.82);
}

.page-contact .rail-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.55);
}

@media (min-width: 1000px) {
  .page-contact .contact-rail {
    border-top: 0;
    border-left: 2px solid var(--away);
    padding: 4px 0 0 24px;
  }
}

/* ---------- 右侧主内容 ---------- */

.page-contact .contact-intro {
  max-width: 68ch;
}

.page-contact .contact-intro .kicker {
  margin: 0 0 14px;
  color: var(--neon);
}

.page-contact .contact-title {
  margin: 0;
  font-size: clamp(32px, 6vw, 74px);
  font-weight: 800;
  line-height: 0.99;
  letter-spacing: -0.02em;
  color: var(--peak);
}

.page-contact .contact-lede {
  margin: 22px 0 0;
  max-width: 60ch;
  color: rgba(242, 239, 230, 0.78);
}

.page-contact .contact-shot {
  margin: clamp(30px, 4.5vw, 52px) 0 0;
}

/* ---------- 合作方式 ---------- */

.page-contact .contact-models {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .model-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: 30px;
}

@media (min-width: 720px) {
  .page-contact .model-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

.page-contact .model-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px 24px;
  background: var(--ink-soft);
  border: 1px solid var(--line);
  border-top: 3px solid var(--away);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.page-contact .model-card:hover {
  transform: translateY(-4px);
  border-color: var(--away);
  background: rgba(30, 75, 255, 0.07);
}

.page-contact .model-card--api { border-top-color: var(--away); }
.page-contact .model-card--embed { border-top-color: var(--neon); }
.page-contact .model-card--joint { border-top-color: var(--clay); }

.page-contact .model-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--away-lift);
}

.page-contact .model-card--embed .model-num { color: var(--neon); }
.page-contact .model-card--joint .model-num { color: var(--clay); }

.page-contact .model-name {
  margin: 0;
  font-size: clamp(20px, 2.3vw, 25px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--peak);
}

.page-contact .model-audience {
  margin: 0;
  display: inline-block;
  align-self: flex-start;
  padding: 5px 10px;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: rgba(242, 239, 230, 0.8);
  background: rgba(242, 239, 230, 0.07);
}

.page-contact .model-desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(242, 239, 230, 0.72);
}

.page-contact .model-specs {
  margin: auto 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 12px;
}

.page-contact .model-specs dt {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: rgba(242, 239, 230, 0.44);
}

.page-contact .model-specs dd {
  margin: 5px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.85);
}

/* ---------- 适用场景 ---------- */

.page-contact .contact-scenes {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .scene-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3vw, 40px);
  margin-top: 30px;
}

@media (min-width: 900px) {
  .page-contact .scene-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
}

.page-contact .scene-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .scene-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .scene-role {
  margin: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--away-lift);
}

.page-contact .scene-body {
  margin: 9px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(242, 239, 230, 0.75);
}

.page-contact .scene-shot {
  margin: 0;
}

/* ---------- 四步流程 ---------- */

.page-contact .contact-process {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .process-rail {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .process-step {
  position: relative;
  padding: 20px 0 0;
  border-top: 2px solid var(--line);
  transition: transform 220ms ease, border-color 220ms ease;
}

.page-contact .process-dot {
  display: none;
}

.page-contact .process-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--clay);
}

.page-contact .process-step h3 {
  margin: 8px 0 0;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--peak);
}

.page-contact .process-step p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(242, 239, 230, 0.7);
}

.page-contact .process-hint {
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: rgba(242, 239, 230, 0.48) !important;
}

@media (min-width: 900px) {
  .page-contact .process-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
    padding-top: 34px;
  }
  .page-contact .process-rail::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 10px;
    height: 1px;
    background: var(--line);
  }
  .page-contact .process-step {
    padding-top: 0;
    border-top: 0;
  }
  .page-contact .process-dot {
    display: block;
    position: absolute;
    top: -30px;
    left: 0;
    width: 12px;
    height: 12px;
    background: var(--clay);
    transition: box-shadow 220ms ease;
  }
  .page-contact .process-step:hover {
    transform: translateY(-4px);
  }
  .page-contact .process-step:hover .process-dot {
    box-shadow: 0 0 0 7px rgba(192, 102, 62, 0.22);
  }
}

/* ---------- 对接角色 ---------- */

.page-contact .contact-team {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 30px;
}

@media (min-width: 720px) {
  .page-contact .team-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .team-card {
  padding: 24px 22px 26px;
  background: rgba(42, 47, 56, 0.6);
  border: 1px solid var(--line);
  border-left: 2px solid var(--moss);
  transition: border-color 220ms ease, background 220ms ease;
}

.page-contact .team-card:hover {
  border-left-color: var(--neon);
  background: rgba(42, 47, 56, 0.9);
}

.page-contact .team-count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--neon);
}

.page-contact .team-card h3 {
  margin: 12px 0 0;
  font-size: 16.5px;
  font-weight: 800;
  color: var(--peak);
}

.page-contact .team-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(242, 239, 230, 0.72);
}

/* ---------- 联系与回复 ---------- */

.page-contact .contact-reach {
  margin-top: clamp(56px, 8vw, 104px);
}

.page-contact .reach-card {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(30, 75, 255, 0.18), rgba(8, 10, 14, 0) 60%),
    var(--ink-soft);
}

.page-contact .reach-card::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(43, 232, 176, 0.16), transparent 70%);
  pointer-events: none;
}

.page-contact .reach-card h2 {
  position: relative;
  margin: 0;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--peak);
}

.page-contact .reach-card p {
  position: relative;
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(242, 239, 230, 0.78);
}

.page-contact .reach-card a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 176, 0.4);
  transition: border-color 200ms ease, color 200ms ease;
}

.page-contact .reach-card a:hover {
  color: var(--peak);
  border-bottom-color: var(--peak);
}

.page-contact .reach-tip {
  padding-top: 16px;
  border-top: 1px solid var(--line);
  font-size: 14px !important;
  color: rgba(242, 239, 230, 0.62) !important;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .model-card,
  .page-contact .process-step,
  .page-contact .team-card,
  .page-contact .process-dot {
    transition: opacity 200ms ease;
  }
  .page-contact .model-card:hover,
  .page-contact .process-step:hover {
    transform: none;
  }
}
</main>