.page-contact {
  background: var(--c-ink);
  color: var(--c-cream);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  padding: calc(var(--header-h) + clamp(72px, 12vw, 140px)) var(--pad) clamp(36px, 6vw, 76px);
}

.page-contact .hero-media {
  position: absolute;
  inset: 0;
}

.page-contact .hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.page-contact .hero-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 80% at 84% 12%, rgba(55, 242, 198, .20), transparent 62%),
    linear-gradient(180deg, rgba(10, 42, 32, .46) 0%, rgba(10, 42, 32, .78) 54%, var(--c-ink) 100%);
}

.page-contact .hero-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
}

.page-contact .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-mist);
}

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

.page-contact .breadcrumb-item a {
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .breadcrumb-item a:hover,
.page-contact .breadcrumb-item a:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-contact .hero-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-contact .contact-hero h1 {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(32px, 6vw, 76px);
  line-height: 1.04;
  letter-spacing: .02em;
}

.page-contact .hero-lede {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.8;
  color: rgba(245, 242, 234, .82);
}

/* ---------- 联系方式 / 反馈分类 双栏 ---------- */
.page-contact .contact-split {
  display: grid;
  grid-template-columns: 1fr;
  background: var(--c-cream);
  border-top: 1px solid var(--c-line);
}

.page-contact .split-aside {
  background: var(--c-cream);
  color: var(--c-ink);
  padding: clamp(32px, 6vw, 72px) var(--pad);
}

.page-contact .split-main {
  background: var(--c-charcoal);
  color: var(--c-cream);
  padding: clamp(32px, 6vw, 72px) var(--pad);
}

.page-contact .aside-title {
  margin: 0 0 clamp(20px, 3vw, 32px);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: .04em;
  color: var(--c-ink);
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .channel {
  padding: clamp(16px, 2.4vw, 24px) 0;
  border-top: 1px solid rgba(10, 42, 32, .14);
}

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

.page-contact .channel-key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-deep);
}

.page-contact .channel-value {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(16px, 2.1vw, 21px);
  line-height: 1.5;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-note {
  margin: 0;
  max-width: 32em;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(10, 42, 32, .72);
}

.page-contact .hours {
  margin-top: clamp(24px, 3.6vw, 40px);
  padding: clamp(18px, 2.8vw, 28px);
  background: var(--c-ink);
  border-radius: var(--radius);
}

.page-contact .hours-key {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-contact .hours-value {
  display: inline-block;
  margin: 0 0 12px;
  padding-bottom: 6px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(18px, 2.4vw, 24px);
  color: var(--c-cyan);
  border-bottom: 1px solid var(--c-cyan);
}

.page-contact .hours-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(245, 242, 234, .74);
}

.page-contact .block-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(20px, 2.8vw, 30px);
  letter-spacing: .04em;
  color: var(--c-cream);
}

.page-contact .block-lede {
  margin: 0 0 clamp(24px, 3.6vw, 38px);
  max-width: 40em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .cat-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-line);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .cat {
  background: var(--c-charcoal);
  padding: clamp(18px, 2.6vw, 28px);
  transition: background .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .cat:hover,
.page-contact .cat:focus-within {
  background: #0E1715;
  box-shadow: inset 0 0 0 1px rgba(55, 242, 198, .5);
}

.page-contact .cat-title {
  margin: 12px 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 18px;
  letter-spacing: .03em;
  color: var(--c-cream);
}

.page-contact .cat-desc {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 242, 234, .72);
}

.page-contact .cat-need {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-mist);
}

.page-contact .need-key {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-teal);
}

/* ---------- 通用标题组 ---------- */
.page-contact .index-band {
  margin-bottom: 14px;
}

.page-contact .section-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(24px, 3.4vw, 42px);
  line-height: 1.15;
  letter-spacing: .02em;
  color: var(--c-cream);
}

.page-contact .section-lede {
  margin: 0 0 clamp(28px, 4vw, 46px);
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 数据纠错清单 ---------- */
.page-contact .report {
  padding: clamp(48px, 8vw, 108px) 0;
  background:
    radial-gradient(90% 120% at 12% 0%, rgba(55, 242, 198, .10), transparent 58%),
    var(--c-ink);
  border-top: 1px solid var(--c-line);
}

.page-contact .steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .step {
  padding: clamp(16px, 2.4vw, 24px);
  background: rgba(11, 15, 14, .55);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .step:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--c-cyan);
}

.page-contact .step-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--c-amber);
}

.page-contact .step-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 17px;
  letter-spacing: .03em;
  color: var(--c-cream);
}

.page-contact .step-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .coop {
  padding: clamp(48px, 8vw, 108px) 0;
  background: var(--c-charcoal);
  border-top: 1px solid var(--c-line);
}

.page-contact .coop-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: clamp(24px, 3.6vw, 40px);
}

.page-contact .coop-head .section-lede {
  margin-bottom: 0;
}

.page-contact .coop-figure {
  margin: 0 0 clamp(24px, 3.6vw, 40px);
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .coop-figure img {
  display: block;
  width: 100%;
  height: clamp(180px, 26vw, 320px);
  object-fit: cover;
}

.page-contact .coop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-contact .coop-card {
  background: var(--c-charcoal);
  padding: clamp(22px, 3vw, 34px);
  outline: none;
  transition: background .22s var(--ease), box-shadow .22s var(--ease), transform .22s var(--ease);
}

.page-contact .coop-card:hover,
.page-contact .coop-card:focus-visible {
  background: #0E1715;
  box-shadow: inset 0 0 0 2px var(--c-cyan);
  transform: translateY(-2px);
}

.page-contact .coop-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: .03em;
  color: var(--c-cream);
}

.page-contact .coop-text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 242, 234, .72);
}

.page-contact .coop-contact {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-mist);
  transition: color .22s var(--ease);
}

.page-contact .coop-card:hover .coop-contact,
.page-contact .coop-card:focus-visible .coop-contact {
  color: var(--c-cream);
}

.page-contact .coop-key {
  margin-right: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--c-cyan);
}

/* ---------- 回复节奏 ---------- */
.page-contact .cadence {
  padding: clamp(48px, 8vw, 108px) 0;
  background: var(--c-ink);
  border-top: 1px solid var(--c-line);
}

.page-contact .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-line);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .cadence-item {
  background: var(--c-ink);
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .cadence-key {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-contact .cadence-value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.25;
  color: var(--c-cyan);
}

.page-contact .cadence-note {
  margin: 0;
  max-width: 34em;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(245, 242, 234, .72);
}

/* ---------- 延伸入口 ---------- */
.page-contact .more {
  padding: clamp(36px, 5vw, 64px) 0 clamp(56px, 8vw, 96px);
  background: var(--c-charcoal);
  border-top: 1px solid var(--c-line);
}

.page-contact .more-lede {
  margin: 0 0 20px;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .more-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
}

.page-contact .more-links a {
  position: relative;
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--c-cream);
  text-decoration: none;
}

.page-contact .more-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--c-line);
  transform: scaleX(1);
  transform-origin: left;
  transition: background .22s var(--ease);
}

.page-contact .more-links a:hover,
.page-contact .more-links a:focus-visible {
  color: var(--c-cyan);
}

.page-contact .more-links a:hover::after,
.page-contact .more-links a:focus-visible::after {
  background: var(--c-cyan);
}

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

/* ---------- 焦点反馈 ---------- */
.page-contact a:focus-visible,
.page-contact [tabindex]:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .cat-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .coop-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 860px) {
  .page-contact .cadence-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .coop-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
    gap: 24px;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-split {
    grid-template-columns: minmax(320px, 5fr) 7fr;
  }
}

@media (min-width: 1024px) {
  .page-contact .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1px;
    background: var(--c-line);
    border: 1px solid var(--c-line);
  }

  .page-contact .step {
    border: 0;
    border-radius: 0;
    background: rgba(11, 15, 14, .78);
  }

  .page-contact .step:hover {
    transform: none;
    box-shadow: inset 0 0 0 1px var(--c-cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .cat,
  .page-contact .step,
  .page-contact .coop-card,
  .page-contact .coop-contact,
  .page-contact .more-links a::after {
    transition: none;
  }

  .page-contact .step:hover,
  .page-contact .coop-card:hover,
  .page-contact .coop-card:focus-visible {
    transform: none;
  }
}
<<<END>>>