.page-contact {
  --pc-hard: 6px 6px 0 rgba(16, 19, 20, .92);
  --pc-hard-cyan: 6px 6px 0 rgba(53, 240, 208, .28);
  --pc-hair: rgba(182, 188, 181, .22);
  background: var(--green);
  color: var(--paper);
}

.page-contact .pc-band {
  padding: clamp(38px, 6vw, 78px) 0;
}

.page-contact .pc-band--green { background: var(--green); }
.page-contact .pc-band--deep { background: var(--green-deep); }
.page-contact .pc-band--carbon { background: var(--carbon); }
.page-contact .pc-band--paper {
  background: var(--paper);
  color: var(--ink);
}

.page-contact .pc-wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(16px, 4vw, 30px);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-contact .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  margin-bottom: clamp(40px, 6vw, 72px);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  align-items: stretch;
}

.page-contact .pc-hero__lead h1 {
  font-size: clamp(30px, 5vw, 54px);
  line-height: 1.18;
  letter-spacing: .01em;
  margin: 10px 0 18px;
  color: var(--paper);
}

.page-contact .pc-hero__lead .prose + .prose {
  margin-top: 14px;
}

.page-contact .pc-hero__lead .prose {
  color: var(--mist);
}

.page-contact .pc-clock {
  position: relative;
  height: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(22px, 3vw, 34px);
  border: 2px solid var(--carbon);
  background:
    radial-gradient(95% 80% at 12% 8%, rgba(53, 240, 208, .22), transparent 62%),
    var(--green-deep);
  box-shadow: var(--pc-hard-cyan);
}

.page-contact .pc-clock__day {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--mist);
  margin-top: 6px;
}

.page-contact .pc-clock__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.02;
  letter-spacing: .01em;
  color: var(--cyan);
}

.page-contact .pc-clock__note {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 34em;
}

.page-contact .pc-clock__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-clock__chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 5px 10px;
  border: 1px solid var(--teal);
  color: var(--cyan);
}

/* ---------- 章节头 ---------- */
.page-contact .pc-head {
  max-width: 46em;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-contact .pc-head h2 {
  font-size: clamp(23px, 3.4vw, 33px);
  line-height: 1.26;
  letter-spacing: .01em;
  margin: 8px 0 12px;
}

.page-contact .pc-head .prose {
  color: var(--mist);
}

.page-contact .pc-head--ink h2 { color: var(--ink); }
.page-contact .pc-head--ink .prose { color: #4B5250; }

.page-contact .eyebrow--ink { color: var(--teal); }

/* ---------- 联系卡片 ---------- */
.page-contact .pc-contacts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.2vw, 24px);
}

.page-contact .pc-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--green-deep);
  border: 2px solid var(--carbon);
  box-shadow: var(--pc-hard-cyan);
  translate: 0 0;
  transition: translate .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .pc-contact:hover {
  translate: 0 -2px;
  box-shadow: 8px 8px 0 rgba(53, 240, 208, .34);
}

.page-contact .pc-contact--focus {
  border-color: var(--cyan);
}

.page-contact .pc-contact__idx {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-contact .pc-contact__idx::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(53, 240, 208, .35);
}

.page-contact .pc-contact__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
}

.page-contact .pc-contact__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(15px, 1.9vw, 19px);
  line-height: 1.45;
  letter-spacing: .01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-contact__value a {
  color: inherit;
  text-decoration: none;
}

.page-contact .pc-contact__value a:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .pc-contact__addr {
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .pc-contact__note {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--pc-hair);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 图 ---------- */
.page-contact .pc-figure {
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  border: 2px solid var(--carbon);
  background: var(--green-deep);
  box-shadow: var(--pc-hard-cyan);
  overflow: hidden;
}

.page-contact .pc-figure--flat {
  margin-top: 0;
}

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

.page-contact .pc-figure__cap {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  border-top: 1px solid var(--pc-hair);
}

/* ---------- 勘误要点 ---------- */
.page-contact .pc-fix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 40px);
}

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

.page-contact .pc-check {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .pc-check__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
  border: 2px solid var(--cyan);
  box-shadow: 4px 4px 0 rgba(53, 240, 208, .2);
}

.page-contact .pc-check__body h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .015em;
  color: var(--paper);
  margin-bottom: 6px;
}

.page-contact .pc-check__body p {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 42em;
}

.page-contact .pc-fix__aside {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
  align-content: start;
}

.page-contact .pc-hint {
  padding: 18px 20px;
  border: 2px solid var(--carbon);
  background: rgba(30, 140, 122, .14);
}

.page-contact .pc-hint .mono-label {
  display: block;
  margin-bottom: 8px;
  color: var(--cyan);
}

.page-contact .pc-hint p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .link:hover {
  color: var(--paper);
}

/* ---------- 合作 ---------- */
.page-contact .pc-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
}

.page-contact .pc-coop__intro h2 {
  font-size: clamp(23px, 3.4vw, 33px);
  line-height: 1.26;
  letter-spacing: .01em;
  margin: 8px 0 14px;
  color: var(--paper);
}

.page-contact .pc-coop__intro .prose {
  color: var(--mist);
  margin-bottom: 14px;
}

.page-contact .pc-coop__intro .btn {
  margin-top: 8px;
}

.page-contact .pc-coop__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 20px);
}

.page-contact .pc-coop__item {
  padding: 18px 20px 20px;
  background: var(--green-deep);
  border: 2px solid var(--carbon);
  border-left: 6px solid var(--teal);
  box-shadow: var(--pc-hard-cyan);
  translate: 0 0;
  transition: translate .28s var(--ease), box-shadow .28s var(--ease), border-left-color .28s var(--ease);
}

.page-contact .pc-coop__item:hover {
  translate: 0 -2px;
  border-left-color: var(--cyan);
  box-shadow: 8px 8px 0 rgba(53, 240, 208, .34);
}

.page-contact .pc-coop__item h3 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
  margin-bottom: 6px;
}

.page-contact .pc-coop__item p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .pc-prepare {
  margin-top: clamp(24px, 3.4vw, 38px);
  padding: clamp(20px, 2.6vw, 28px);
  border: 2px solid var(--carbon);
  background: rgba(233, 231, 224, .06);
}

.page-contact .pc-prepare .mono-label {
  display: block;
  color: var(--cyan);
  margin-bottom: 14px;
}

.page-contact .pc-prepare__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-prepare__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .pc-prepare__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 10px;
  height: 2px;
  background: var(--cyan);
}

.page-contact .pc-prepare__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--pc-hair);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 处理节奏 ---------- */
.page-contact .pc-flow {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 28px);
}

.page-contact .pc-flow__panel {
  padding: clamp(20px, 2.8vw, 30px);
  border: 2px solid var(--carbon);
  background: var(--carbon-soft);
  box-shadow: var(--pc-hard);
}

.page-contact .pc-flow__panel--alt {
  border-color: var(--teal);
}

.page-contact .pc-flow__panel .mono-label {
  display: block;
  color: var(--yellow);
  margin-bottom: 10px;
}

.page-contact .pc-flow__panel--alt .mono-label {
  color: var(--cyan);
}

.page-contact .pc-flow__panel h3 {
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: .015em;
  color: var(--paper);
  margin-bottom: 16px;
}

.page-contact .pc-flow__steps {
  list-style: none;
  counter-reset: pc-step;
  margin: 0 0 18px;
  padding: 0;
}

.page-contact .pc-flow__steps li {
  counter-increment: pc-step;
  position: relative;
  padding: 0 0 14px 42px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
  border-left: 2px solid rgba(124, 131, 138, .35);
  padding-left: 40px;
  margin-left: 12px;
}

.page-contact .pc-flow__steps li:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-contact .pc-flow__steps li::before {
  content: counter(pc-step, decimal-leading-zero);
  position: absolute;
  left: -13px;
  top: 0;
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  background: var(--carbon);
  color: var(--cyan);
  border: 1px solid var(--teal);
}

.page-contact .pc-flow__panel--alt .pc-flow__steps li::before {
  color: var(--yellow);
}

.page-contact .pc-flow__meta {
  padding-top: 14px;
  border-top: 1px solid rgba(124, 131, 138, .3);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 站点信息 ---------- */
.page-contact .pc-facts {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: 2px solid var(--carbon);
}

.page-contact .pc-facts__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(42, 46, 49, .18);
}

.page-contact .pc-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .09em;
  color: var(--teal);
}

.page-contact .pc-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-facts__row:nth-child(1) dd {
  font-family: var(--font-mono);
  letter-spacing: .04em;
}

.page-contact .pc-fine {
  margin-top: clamp(20px, 3vw, 30px);
  font-size: 13px;
  line-height: 1.8;
  color: #4B5250;
}

.page-contact .pc-fine .link {
  color: var(--teal);
}

.page-contact .pc-fine .link:hover {
  color: var(--green);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-facts__row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

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

@media (min-width: 768px) {
  .page-contact .pc-contacts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 1024px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-contact .pc-fix {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-contact .pc-coop {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-contact,
  .page-contact .pc-coop__item {
    transition: none;
  }

  .page-contact .pc-contact:hover,
  .page-contact .pc-coop__item:hover {
    translate: 0 0;
  }
}
<<<END>>>