.page-contact {
  --pc-gap: clamp(20px, 3.6vw, 44px);
  --pc-radius: 6px;
  --pc-line: rgba(31, 90, 66, 0.55);
  --pc-line-soft: rgba(31, 90, 66, 0.28);
  --pc-surface: rgba(20, 53, 42, 0.72);
  --pc-hover: rgba(31, 90, 66, 0.38);
  position: relative;
  display: block;
  padding-bottom: calc(var(--quick-h) + 72px);
  color: var(--white);
  overflow-x: clip;
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-contact .crumbs {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.page-contact .crumbs a {
  color: var(--blue-pale);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}
.page-contact .crumbs a:hover {
  color: var(--signal-soft);
  border-bottom-color: var(--signal);
}
.page-contact .crumb-sep { color: var(--grid); }
.page-contact .crumb-here { color: var(--white); }

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(40px, 6vw, 80px);
  border-bottom: 1px solid var(--pc-line-soft);
}
.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -12%;
  width: 80%;
  height: 420px;
  background: radial-gradient(closest-side, rgba(255, 106, 46, 0.16), transparent 72%);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .hero-rail {
  display: flex;
  align-items: baseline;
  gap: 14px;
}
.page-contact .hero-num {
  font-family: var(--font-display);
  font-size: clamp(44px, 8vw, 84px);
  font-weight: 900;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px var(--signal);
}
.page-contact .hero-tick {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .hero-body .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--signal-soft);
}
.page-contact .hero-body h1 {
  margin: 14px 0 20px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 7vw, 84px);
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--white);
  transform: scaleX(0.955);
  transform-origin: left center;
}
.page-contact .hero-body .lede {
  max-width: 62ch;
  margin: 0 0 28px;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: rgba(243, 248, 245, 0.82);
}
.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .hero-meta {
  padding: 22px 20px;
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
  background: linear-gradient(160deg, rgba(14, 36, 25, 0.9), rgba(8, 23, 15, 0.9));
}
.page-contact .meta-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .meta-row {
  display: grid;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--pc-line-soft);
}
.page-contact .meta-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.page-contact .meta-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}
.page-contact .meta-v {
  font-size: 15px;
  color: var(--white);
}

/* ---------- 章节骨架 ---------- */
.page-contact .contact-block {
  padding-top: clamp(56px, 8vw, 104px);
}
.page-contact .contact-block--final {
  padding-bottom: clamp(48px, 6vw, 80px);
}
.page-contact .section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--pc-line-soft);
  margin-bottom: 36px;
}
.page-contact .section-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(40px, 6.4vw, 72px);
  line-height: 0.92;
  letter-spacing: -0.04em;
  color: transparent;
  -webkit-text-stroke: 1.4px var(--grid);
}
.page-contact .section-copy .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--blue-pale);
}
.page-contact .section-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 36px);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-contact .section-sub {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(243, 248, 245, 0.72);
}

/* ---------- 图像 ---------- */
.page-contact .media {
  display: block;
  position: relative;
  margin: 0 0 32px;
  overflow: hidden;
  border-radius: var(--pc-radius);
  border: 1px solid var(--pc-line);
  background: var(--turf);
}
.page-contact .media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}
.page-contact .media--wide img { aspect-ratio: 16 / 9; }
.page-contact .partner-visual {
  margin-bottom: 28px;
}
.page-contact .partner-visual img { aspect-ratio: 16 / 7; }
.page-contact .media .exhibit {
  position: absolute;
  left: 0;
  bottom: 0;
  margin: 0;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--blue-pale);
  background: rgba(8, 23, 15, 0.86);
  border-top: 1px solid var(--pc-line);
  border-right: 1px solid var(--pc-line);
  border-radius: 0 var(--pc-radius) 0 0;
}

/* ---------- 联系通道卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-contact .channel-card {
  position: relative;
  padding: 30px 22px 24px;
  border: 1px solid var(--pc-line);
  border-radius: var(--pc-radius);
  background: linear-gradient(165deg, rgba(20, 53, 42, 0.92), rgba(14, 36, 25, 0.92));
  box-shadow: var(--shadow-card);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}
.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 10px;
  border: 1px dashed var(--pc-line-soft);
  border-radius: 3px;
  pointer-events: none;
}
.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--signal);
}
.page-contact .channel-idx {
  position: absolute;
  top: 14px;
  right: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--signal-soft);
}
.page-contact .channel-name {
  position: relative;
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--white);
}
.page-contact .channel-desc {
  position: relative;
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 248, 245, 0.72);
}
.page-contact .channel-value {
  position: relative;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.7vw, 17px);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: var(--yellow);
  word-break: break-word;
}
.page-contact .copy-btn {
  position: relative;
  width: 100%;
}

/* ---------- 优先处理清单 ---------- */
.page-contact .priority-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pc-line-soft);
}
.page-contact .priority-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 16px;
  border-bottom: 1px solid var(--pc-line-soft);
  border-left: 3px solid transparent;
  transition: background 180ms var(--ease), border-left-color 180ms var(--ease);
}
.page-contact .priority-item:hover {
  background: var(--pc-hover);
  border-left-color: var(--signal);
}
.page-contact .pr-rank {
  grid-row: 1 / span 1;
  align-self: start;
}
.page-contact .pr-type {
  font-size: 15px;
  line-height: 1.7;
  color: var(--white);
  font-weight: 500;
}
.page-contact .pr-act {
  grid-column: 1 / -1;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(243, 248, 245, 0.62);
}
.page-contact .priority-item .tag {
  display: inline-block;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  border-radius: 999px;
  white-space: nowrap;
}
.page-contact .tag--signal {
  color: var(--night);
  background: var(--signal);
}
.page-contact .tag--live {
  color: var(--blue-pale);
  background: rgba(63, 169, 245, 0.16);
  border: 1px solid rgba(63, 169, 245, 0.42);
}

/* ---------- 合作共建 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-contact .partner-card {
  position: relative;
  padding: 24px 22px;
  border: 1px solid var(--pc-line);
  border-left: 3px solid var(--blue);
  border-radius: var(--pc-radius);
  background: var(--pc-surface);
  transition: transform 180ms var(--ease), background 180ms var(--ease), border-left-color 180ms var(--ease);
}
.page-contact .partner-card:hover {
  transform: translateY(-4px);
  background: rgba(20, 53, 42, 0.95);
  border-left-color: var(--signal);
}
.page-contact .partner-cat {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--blue-pale);
}
.page-contact .partner-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.35;
  color: var(--white);
}
.page-contact .partner-body {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 248, 245, 0.74);
}
.page-contact .partner-more {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height 260ms var(--ease), opacity 260ms var(--ease), margin-top 260ms var(--ease);
}
.page-contact .partner-card:hover .partner-more,
.page-contact .partner-card:focus-within .partner-more {
  max-height: 90px;
  opacity: 1;
  margin-top: 10px;
}

/* ---------- 信息清单 ---------- */
.page-contact .asset-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .asset-item {
  display: grid;
  grid-template-columns: 26px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--pc-line-soft);
}
.page-contact .asset-item:first-child {
  border-top: 1px dashed var(--pc-line-soft);
}
.page-contact .asset-box {
  position: relative;
  width: 22px;
  height: 22px;
  margin-top: 3px;
  border: 1.5px solid var(--signal);
  border-radius: 3px;
  background: rgba(255, 106, 46, 0.08);
}
.page-contact .asset-box::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--signal);
  border-bottom: 2px solid var(--signal);
  transform: rotate(42deg);
}
.page-contact .asset-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
}
.page-contact .asset-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 248, 245, 0.72);
}

/* ---------- 结束面板 ---------- */
.page-contact .message-panel {
  position: relative;
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid var(--pc-line);
  border-radius: 8px;
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(255, 106, 46, 0.2), transparent 58%),
    radial-gradient(100% 80% at 100% 100%, rgba(63, 169, 245, 0.14), transparent 60%),
    var(--stand);
  overflow: hidden;
}
.page-contact .message-lead {
  max-width: 62ch;
  margin: 0 0 28px;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: rgba(243, 248, 245, 0.86);
}
.page-contact .message-steps {
  display: grid;
  gap: 18px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}
.page-contact .message-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding-top: 16px;
  border-top: 1px solid var(--pc-line-soft);
}
.page-contact .step-num {
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1.1;
  color: var(--signal);
}
.page-contact .step-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  color: var(--white);
}
.page-contact .step-body {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(243, 248, 245, 0.72);
}
.page-contact .message-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}
.page-contact .message-note {
  margin: 0;
  max-width: 62ch;
  font-size: 13px;
  line-height: 1.85;
  color: var(--muted);
}
.page-contact .message-note a {
  color: var(--blue-pale);
  text-decoration: none;
  border-bottom: 1px solid rgba(155, 220, 255, 0.4);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.page-contact .message-note a:hover {
  color: var(--signal-soft);
  border-bottom-color: var(--signal);
}

/* ---------- 显现动效 ---------- */
.js .page-contact [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 320ms var(--ease), transform 320ms var(--ease);
}
.js .page-contact [data-reveal].is-in {
  opacity: 1;
  transform: none;
}
.js .page-contact [data-stagger] > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 340ms var(--ease), transform 340ms var(--ease);
}
.js .page-contact [data-stagger].is-in > * {
  opacity: 1;
  transform: none;
}
.js .page-contact [data-stagger].is-in > *:nth-child(1) { transition-delay: 0ms; }
.js .page-contact [data-stagger].is-in > *:nth-child(2) { transition-delay: 60ms; }
.js .page-contact [data-stagger].is-in > *:nth-child(3) { transition-delay: 120ms; }
.js .page-contact [data-stagger].is-in > *:nth-child(4) { transition-delay: 180ms; }
.js .page-contact [data-stagger].is-in > *:nth-child(5) { transition-delay: 240ms; }
.js .page-contact [data-stagger].is-in > *:nth-child(6) { transition-delay: 300ms; }

@media (prefers-reduced-motion: reduce) {
  .js .page-contact [data-reveal],
  .js .page-contact [data-stagger] > * {
    transform: none;
    transition-delay: 0ms !important;
    transition-duration: 200ms;
  }
  .page-contact .channel-card,
  .page-contact .partner-card,
  .page-contact .partner-more,
  .page-contact .media img {
    transition: none;
  }
  .page-contact .channel-card:hover,
  .page-contact .partner-card:hover {
    transform: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .channel-grid > :last-child {
    grid-column: 1 / -1;
  }
  .page-contact .partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .priority-item {
    grid-template-columns: auto minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }
  .page-contact .pr-act {
    grid-column: 3;
    text-align: left;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 980px) {
  .page-contact .contact-hero {
    grid-template-columns: 76px minmax(0, 1fr) 300px;
    gap: 34px;
    align-items: start;
  }
  .page-contact .hero-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding-top: 8px;
  }
  .page-contact .hero-tick {
    writing-mode: vertical-rl;
    letter-spacing: 0.3em;
  }
  .page-contact .hero-meta {
    padding: 26px 22px;
  }
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .channel-grid > :last-child {
    grid-column: auto;
  }
  .page-contact .partner-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .partner-card {
    padding: 26px 20px;
  }
  .page-contact .asset-item {
    grid-template-columns: 26px minmax(0, 240px) minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
  .page-contact .asset-desc {
    margin-top: 0;
  }
  .page-contact .message-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .page-contact .message-step {
    grid-template-columns: 30px minmax(0, 1fr);
    border-top-color: var(--signal);
  }
}
<<<END>>>