.page-contact {
  --pc-body: #C9D0E6;
  --pc-section-pad: clamp(36px, 6vw, 72px);
  --pc-gap: clamp(16px, 3vw, 28px);
  background: var(--bg);
}

/* ---------- 封面 ---------- */
.page-contact .contact-cover {
  position: relative;
  padding: clamp(24px, 5vw, 56px) 0 clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--grid-line);
  background-image:
    radial-gradient(circle at 88% -10%, rgba(61, 245, 200, .1), transparent 46%),
    repeating-linear-gradient(90deg, var(--grid-line-soft) 0 1px, transparent 1px 96px);
  overflow: hidden;
}

.page-contact .contact-cover .breadcrumb {
  margin-bottom: 18px;
}

.page-contact .contact-cover__title {
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--white);
  margin: 12px 0 20px;
  max-width: 15em;
}

.page-contact .contact-cover__lede {
  max-width: 44em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--pc-body);
  margin: 0 0 30px;
}

.page-contact .cover-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--grid-line);
  border: 1px solid var(--grid-line);
}

.page-contact .cover-points li {
  background: var(--bg);
  padding: 15px 16px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .cover-points__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  line-height: 1;
  color: var(--teal);
  margin-right: 6px;
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-desk {
  padding: var(--pc-section-pad) 0;
  background: var(--panel);
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .desk-grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .desk-info {
  min-width: 0;
}

.page-contact .channel-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .channel {
  position: relative;
  padding: 16px 18px 16px 22px;
  border: 1px solid var(--rule);
  background: rgba(11, 16, 48, .62);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--teal);
}

.page-contact .channel__key {
  display: block;
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--slate);
  margin-bottom: 7px;
}

.page-contact .channel__val {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(13px, 3.2vw, 18px);
  line-height: 1.4;
  color: var(--teal);
  overflow-wrap: anywhere;
}

.page-contact .channel__val--addr {
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.2vw, 17px);
  color: var(--white);
}

.page-contact .channel__note {
  display: block;
  margin-top: 9px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .desk-media {
  position: relative;
  margin: 0;
  min-height: 220px;
  border: 1px solid var(--rule);
  background: var(--ink);
  overflow: hidden;
}

.page-contact .desk-media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  filter: saturate(.55) contrast(1.05);
}

.page-contact .desk-media figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--slate);
  background: linear-gradient(to top, rgba(5, 7, 15, .94), rgba(5, 7, 15, 0));
}

/* ---------- 合作方向 ---------- */
.page-contact .collab {
  padding: var(--pc-section-pad) 0;
  background: var(--bg);
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .collab__head {
  margin-bottom: 26px;
  max-width: 46em;
}

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

.page-contact .collab-item {
  display: grid;
  gap: 10px;
  padding: 24px 0;
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .collab__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1;
  color: var(--teal-dim);
}

.page-contact .collab__name {
  font-family: var(--font-heading);
  font-size: clamp(18px, 2.2vw, 24px);
  font-weight: 700;
  color: var(--white);
  margin: 0 0 5px;
}

.page-contact .collab__who {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
}

.page-contact .collab__body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-body);
  max-width: 42em;
}

.page-contact .collab__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .collab__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .collab__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--teal);
}

/* ---------- 材料与节奏 ---------- */
.page-contact .prep {
  padding: var(--pc-section-pad) 0;
  background: var(--panel);
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .prep__grid {
  display: grid;
  gap: clamp(28px, 5vw, 48px);
}

.page-contact .prep__col {
  min-width: 0;
}

.page-contact .checklist {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--pc-body);
}

.page-contact .checklist__key {
  font-family: var(--font-heading);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-contact .prep__hint {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--slate);
  max-width: 40em;
}

.page-contact .prep__hint a {
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid var(--teal-dim);
  padding-bottom: 1px;
}

.page-contact .prep__hint a:hover,
.page-contact .prep__hint a:focus-visible {
  color: var(--white);
  border-bottom-color: var(--teal);
}

.page-contact .timeline {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-contact .timeline li {
  position: relative;
  padding: 15px 0 15px 18px;
  border-bottom: 1px solid var(--rule);
  border-left: 1px solid var(--rule);
}

.page-contact .timeline li::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 21px;
  width: 3px;
  height: 14px;
  background: var(--teal);
}

.page-contact .timeline__title {
  display: block;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 5px;
}

.page-contact .timeline__desc {
  display: block;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-body);
}

/* ---------- 常驻联系地 ---------- */
.page-contact .visit {
  padding: var(--pc-section-pad) 0;
  background: var(--bg);
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .visit__grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

.page-contact .visit__media {
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--ink);
  overflow: hidden;
}

.page-contact .visit__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.5) contrast(1.06);
}

.page-contact .visit__copy p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--pc-body);
  max-width: 40em;
}

.page-contact .visit__copy .visit__callout {
  margin-top: 20px;
  margin-bottom: 0;
  padding-left: 14px;
  border-left: 3px solid var(--gold);
  color: var(--white);
  font-size: 14.5px;
}

/* ---------- 备案条 ---------- */
.page-contact .registry {
  background: var(--ink);
  border-bottom: 1px solid var(--grid-line);
}

.page-contact .registry__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 32px;
  padding: 18px 0;
}

.page-contact .registry__item {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 9px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-contact .registry__label {
  font-family: var(--font-heading);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--teal-dim);
}

.page-contact .registry__value {
  color: var(--slate);
}

.page-contact .registry__value--icp {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--gold);
  letter-spacing: .02em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .cover-points {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-contact .visit__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-contact .desk-grid {
    grid-template-columns: minmax(0, 55fr) minmax(0, 45fr);
    align-items: stretch;
  }
  .page-contact .prep__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

@media (min-width: 860px) {
  .page-contact .collab-item {
    grid-template-columns: 78px minmax(0, 230px) minmax(0, 1fr);
    gap: 10px 28px;
    align-items: start;
  }
}

@media (max-width: 520px) {
  .page-contact .checklist li {
    grid-template-columns: 1fr;
    gap: 4px;
  }
  .page-contact .checklist__key {
    color: var(--teal-dim);
  }
  .page-contact .registry__inner {
    flex-direction: column;
    gap: 8px;
  }
}
<<<PAGE_CSS_END>>>