.page-contact {
  --pc-rule: rgba(110, 106, 99, .22);
  --pc-faint: rgba(110, 106, 99, .07);
  background: var(--bone);
  color: var(--night);
  font-family: var(--font-body);
}

.page-contact h1,
.page-contact h2,
.page-contact h3,
.page-contact p,
.page-contact figure,
.page-contact dl,
.page-contact dd {
  margin: 0;
}

.page-contact a {
  color: inherit;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  background: var(--night);
  color: var(--bone);
  padding: calc(var(--header-h) + 32px) 0 clamp(46px, 7vw, 78px);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(169, 199, 194, .07) 0,
    rgba(169, 199, 194, .07) 1px,
    transparent 1px,
    transparent 62px
  );
}

.page-contact .pc-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .pc-crumbs {
  margin-bottom: 18px;
}

.page-contact .pc-crumbs .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--on-dark-dim);
}

.page-contact .pc-crumbs .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--clay);
}

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

.page-contact .pc-crumbs a:hover,
.page-contact .pc-crumbs a:focus-visible {
  color: var(--cyan);
}

.page-contact .pc-hero-inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  border: 1px solid var(--line-mid);
  padding: clamp(20px, 3.4vw, 44px);
}

.page-contact .display-title {
  color: var(--cold);
  margin-top: 14px;
  max-width: 16em;
}

.page-contact .pc-hero .lede {
  color: var(--on-dark);
  margin: 20px 0 0;
  max-width: 34em;
}

.page-contact .pc-hero-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 26px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--on-dark-dim);
}

.page-contact .pc-dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(46, 230, 200, .16);
  animation: pc-breathe 2.4s ease-in-out infinite;
}

@keyframes pc-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

.page-contact .pc-hero-card {
  border: 1px solid var(--line-mid);
  background: rgba(7, 20, 38, .55);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-contact .pc-card-label {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .pc-dl {
  display: grid;
  gap: 14px;
}

.page-contact .pc-dl-row {
  display: grid;
  gap: 4px;
}

.page-contact .pc-dl dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--on-dark-dim);
}

.page-contact .pc-dl dd {
  font-size: 15px;
  line-height: 1.5;
  color: var(--cold);
  overflow-wrap: anywhere;
}

.page-contact .pc-dl-row:first-child dd {
  font-family: var(--font-mono);
}

.page-contact .pc-card-note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--on-dark-dim);
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-sec {
  padding: clamp(52px, 8vw, 104px) 0;
}

.page-contact .pc-sec-head {
  max-width: 50em;
  margin-bottom: clamp(26px, 4vw, 52px);
}

.page-contact .pc-sec-head--flush {
  margin-bottom: 0;
}

.page-contact .pc-h2 {
  margin-top: 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(28px, 4.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -.02em;
}

.page-contact .pc-sub {
  margin-top: 16px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 四条通道 ---------- */
.page-contact .pc-channel-layout {
  display: grid;
  gap: 28px;
}

.page-contact .pc-index {
  border-top: 1px solid var(--pc-rule);
  padding-top: 16px;
}

.page-contact .pc-index-title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--clay);
}

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

.page-contact .pc-index-list li + li {
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-index-list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 12px 10px 12px 12px;
  border-left: 2px solid transparent;
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  color: var(--night);
  transition: border-color .28s var(--ease), background-color .28s var(--ease), color .28s var(--ease);
}

.page-contact .pc-index-list a:hover,
.page-contact .pc-index-list a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(46, 230, 200, .1);
  color: var(--moss);
}

.page-contact .pc-index-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--clay);
}

.page-contact .pc-index-foot {
  margin-top: 18px;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--stone);
}

.page-contact .pc-panels {
  display: grid;
}

.page-contact .pc-panel {
  padding: 26px 0 30px;
  border-top: 1px solid var(--pc-rule);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-contact .pc-panel-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 10px;
}

.page-contact .pc-panel-title {
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 500;
  letter-spacing: -.01em;
}

.page-contact .pc-panel-lead {
  margin-bottom: 18px;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .pc-panel-action {
  border-left: 2px solid var(--amber);
  padding-left: 12px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
  overflow-wrap: anywhere;
}

/* ---------- 打勾清单 ---------- */
.page-contact .pc-check {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 0 0 18px;
  padding: 0;
}

.page-contact .pc-check li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--night);
}

.page-contact .pc-check li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .38em;
  width: 12px;
  height: 12px;
  border: 1px solid var(--clay);
}

.page-contact .pc-check li::after {
  content: "";
  position: absolute;
  left: 3px;
  top: calc(.38em + 4px);
  width: 6px;
  height: 3px;
  border-left: 1.4px solid var(--moss);
  border-bottom: 1.4px solid var(--moss);
  transform: rotate(-45deg);
}

.page-contact .pc-strip {
  margin-top: clamp(30px, 5vw, 58px);
}

.page-contact .media-frame {
  overflow: hidden;
}

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

.page-contact .pc-strip-cap {
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 提交前准备 ---------- */
.page-contact .pc-prepare {
  background: var(--bone);
  box-shadow: inset 0 1px 0 var(--pc-rule);
}

.page-contact .pc-prepare-grid {
  display: grid;
  gap: 36px;
}

.page-contact .pc-prepare-main p {
  margin-bottom: 20px;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .pc-prepare-main .pc-check {
  margin-bottom: 0;
}

.page-contact .pc-prepare-side {
  border-left: 2px solid var(--clay);
  padding-left: 20px;
}

.page-contact .pc-side-title {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--moss);
}

.page-contact .pc-prepare-side p {
  margin-bottom: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .pc-prepare-side p:last-child {
  margin-bottom: 0;
}

.page-contact .pc-prepare-side a {
  color: var(--night);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
}

.page-contact .pc-prepare-side a:hover,
.page-contact .pc-prepare-side a:focus-visible {
  color: var(--clay);
}

/* ---------- 响应时效 ---------- */
.page-contact .pc-timing {
  background-color: var(--bone);
  background-image:
    linear-gradient(var(--pc-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--pc-faint) 1px, transparent 1px);
  background-size: 46px 46px;
  border-top: 1px solid var(--pc-rule);
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .pc-timing-grid {
  display: grid;
  gap: 36px;
}

.page-contact .pc-time-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .pc-time-list li {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-time-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-time-key {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--moss);
}

.page-contact .pc-time-val {
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-partner-grid {
  display: grid;
}

.page-contact .pc-partner-item {
  padding: 22px 0 26px;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .pc-partner-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-partner-item h3 {
  margin-bottom: 10px;
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -.01em;
}

.page-contact .pc-partner-item p {
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
  max-width: 30em;
}

.page-contact .pc-partner-tag {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--clay);
}

.page-contact .pc-partner-note {
  margin-top: 30px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .pc-partner-note a {
  color: var(--night);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
}

.page-contact .pc-partner-note a:hover,
.page-contact .pc-partner-note a:focus-visible {
  color: var(--clay);
}

/* ---------- 到访与资料邮寄 ---------- */
.page-contact .pc-postal {
  box-shadow: inset 0 1px 0 var(--pc-rule);
}

.page-contact .pc-postal-grid {
  display: grid;
  gap: 32px;
}

.page-contact .pc-postal-text .eyebrow {
  margin-bottom: 10px;
}

.page-contact .pc-postal-text p {
  margin-top: 16px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--stone);
}

.page-contact .pc-postal-text .pc-h2 {
  margin-top: 0;
  color: var(--night);
}

.page-contact .pc-postal-figure figcaption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--stone);
}

/* ---------- 直接联系 ---------- */
.page-contact .pc-direct {
  background: var(--night);
  color: var(--bone);
}

.page-contact .pc-direct .eyebrow {
  color: var(--amber);
}

.page-contact .pc-direct .pc-h2 {
  color: var(--cold);
}

.page-contact .pc-direct-grid {
  display: grid;
  gap: 28px;
}

.page-contact .pc-direct-item {
  border-top: 1px solid var(--line-mid);
  padding-top: 18px;
}

.page-contact .pc-direct-key {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--on-dark-dim);
}

.page-contact .pc-direct-val {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--cold);
  overflow-wrap: anywhere;
}

.page-contact .pc-direct-val--mail {
  font-size: clamp(17px, 2.6vw, 30px);
}

.page-contact .pc-direct-val--tel {
  font-size: clamp(28px, 4.6vw, 54px);
  letter-spacing: .01em;
}

.page-contact .pc-direct-val--addr {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: clamp(17px, 2.2vw, 24px);
  line-height: 1.5;
}

.page-contact .pc-direct-note {
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-dark-dim);
}

.page-contact .pc-icp {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--on-dark-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-check {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 52px;
  }

  .page-contact .pc-partner-item:nth-child(2) {
    border-top: 0;
    padding-top: 0;
  }

  .page-contact .pc-direct-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 64px;
  }

  .page-contact .pc-direct-item--wide {
    grid-column: 1 / -1;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-prepare-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    gap: 64px;
  }

  .page-contact .pc-timing-grid {
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 72px;
    align-items: start;
  }

  .page-contact .pc-postal-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    gap: 64px;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-contact .pc-hero-inner {
    grid-template-columns: minmax(0, 1fr) 330px;
    align-items: end;
  }

  .page-contact .pc-channel-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .pc-index {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-dot {
    animation: none;
  }

  .page-contact .pc-index-list a {
    transition: none;
  }
}
<<<END>>>