.page-contact {
  --pc-pad: 20px;
  --pc-shell: 1120px;
  color: var(--fog);
  background: var(--ink);
  font-family: var(--font-body);
  box-sizing: border-box;
  overflow-x: hidden;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .pc-wrap {
  width: 100%;
  max-width: var(--pc-shell);
  margin: 0 auto;
  padding: 0 var(--pc-pad);
}

.page-contact .pc-crumb {
  padding: 18px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--mint);
  outline-offset: 3px;
}

/* ---------- 按钮 ---------- */
.page-contact .pc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 22px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  border: 1px solid transparent;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-contact .pc-btn--mint {
  background: var(--mint);
  color: #04120e;
}

.page-contact .pc-btn--mint:hover {
  background: #6df7d3;
}

.page-contact .pc-btn--ghost {
  background: transparent;
  color: var(--fog);
  border-color: var(--line);
}

.page-contact .pc-btn--ghost:hover {
  border-color: var(--mint);
  color: var(--mint);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding: 34px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-kicker {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.page-contact .pc-kicker__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(56, 242, 192, 0.14);
}

.page-contact .pc-title {
  margin: 0 0 20px;
  max-width: 15em;
  font-family: var(--font-head);
  font-size: clamp(29px, 7.4vw, 52px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-contact .pc-lede {
  margin: 0 0 28px;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .pc-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 通栏图 ---------- */
.page-contact .pc-plate {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-contact .pc-plate img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.78) brightness(0.74);
}

.page-contact .pc-plate::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 18, 15, 0.12) 0%, rgba(6, 18, 15, 0.78) 100%);
  pointer-events: none;
}

.page-contact .pc-plate figcaption {
  position: absolute;
  left: 20px;
  bottom: 14px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

/* ---------- 章节骨架 ---------- */
.page-contact .pc-section {
  padding: 54px 0;
}

.page-contact .pc-section__head {
  margin-bottom: 30px;
}

.page-contact .pc-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.page-contact .pc-eyebrow--dark {
  color: var(--line);
}

.page-contact .pc-h2 {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: clamp(21px, 4.8vw, 30px);
  font-weight: 700;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-contact .pc-h2--dark {
  color: var(--ink);
}

.page-contact .pc-sub {
  margin: 0;
  max-width: 30em;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mute);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-coop {
  display: grid;
  gap: 16px;
}

.page-contact .pc-coop__card {
  position: relative;
  padding: 26px 22px 22px;
  background: linear-gradient(155deg, #0c221c 0%, #091b17 68%, #0b2a22 100%);
  clip-path: polygon(22px 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%, 0 22px);
  transition: transform 0.25s var(--ease);
}

.page-contact .pc-coop__card::before {
  content: "";
  position: absolute;
  left: 26px;
  top: 0;
  width: 38px;
  height: 2px;
  background: var(--mint);
}

.page-contact .pc-coop__idx {
  margin: 6px 0 14px;
  font-family: var(--font-display);
  font-size: 46px;
  font-weight: 700;
  line-height: 0.86;
  color: rgba(56, 242, 192, 0.32);
}

.page-contact .pc-coop__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--fog);
}

.page-contact .pc-coop__fit {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-contact .pc-coop__body {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mute);
}

.page-contact .pc-fold {
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-contact .pc-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 4px 0;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--ice);
}

.page-contact .pc-fold summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-fold summary::after {
  content: "+";
  font-size: 15px;
  line-height: 1;
  color: var(--mint);
}

.page-contact .pc-fold[open] summary::after {
  content: "−";
}

.page-contact .pc-fold__list {
  margin: 12px 0 0;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mute);
}

.page-contact .pc-fold__list li {
  margin-bottom: 7px;
}

.page-contact .pc-fold__list li:last-child {
  margin-bottom: 0;
}

/* ---------- 联系信息卡 ---------- */
.page-contact .pc-reach {
  padding: 8px 0 54px;
}

.page-contact .pc-reach__card {
  display: grid;
  gap: 26px;
  padding: 28px 22px;
  background: var(--fog);
  color: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-contact .pc-info {
  margin: 24px 0 0;
  display: grid;
}

.page-contact .pc-info__row {
  display: grid;
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(6, 18, 15, 0.14);
}

.page-contact .pc-info__row:first-child {
  border-top: 1px solid rgba(6, 18, 15, 0.14);
}

.page-contact .pc-info dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--line);
}

.page-contact .pc-info dd {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(18px, 4.4vw, 26px);
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.005em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-info dd a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--mint);
}

.page-contact .pc-info dd a:hover {
  color: #0b5f4a;
}

.page-contact .pc-reach__note {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: rgba(6, 18, 15, 0.72);
}

.page-contact .pc-inline-link {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--mint);
  text-underline-offset: 3px;
}

.page-contact .pc-reach__fig {
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
  overflow: hidden;
}

.page-contact .pc-reach__fig img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 170px;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.72) contrast(1.02);
}

/* ---------- 沟通准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: 26px;
}

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

.page-contact .pc-prep__list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 0 12px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-prep__list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-prep__no {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mint);
}

.page-contact .pc-prep__list strong {
  display: block;
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  color: var(--fog);
}

.page-contact .pc-prep__list p {
  margin: 6px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mute);
}

/* ---------- 响应节奏 ---------- */
.page-contact .pc-rhythm {
  position: relative;
  margin: 32px 0 0;
  padding: 0 0 0 24px;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-contact .pc-rhythm::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--mint) 0%, var(--flame) 100%);
  opacity: 0.55;
}

.page-contact .pc-rhythm__item {
  position: relative;
}

.page-contact .pc-rhythm__item::before {
  content: "";
  position: absolute;
  left: -28px;
  top: 5px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--mint);
}

.page-contact .pc-rhythm__no {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--flame);
}

.page-contact .pc-rhythm__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 700;
  color: var(--fog);
}

.page-contact .pc-rhythm__item p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mute);
}

/* ---------- 地域 ---------- */
.page-contact .pc-region__grid {
  display: grid;
  gap: 30px;
}

.page-contact .pc-body {
  margin: 0 0 16px;
  max-width: 32em;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mute);
}

.page-contact .pc-region__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .pc-region__side {
  padding: 6px 0 6px 18px;
  border-left: 2px solid var(--mint);
}

.page-contact .pc-region__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mute);
}

.page-contact .pc-region__icp {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--fog);
  overflow-wrap: anywhere;
}

.page-contact .pc-region__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mute);
}

/* ---------- 收束 ---------- */
.page-contact .pc-close {
  padding: 8px 0 64px;
}

.page-contact .pc-close__rule {
  display: block;
  height: 1px;
  margin-bottom: 28px;
  background: linear-gradient(90deg, var(--mint) 0%, rgba(56, 242, 192, 0) 100%);
}

.page-contact .pc-close__text {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  color: var(--fog);
}

.page-contact .pc-close__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 820px) {
  .page-contact .pc-rhythm {
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
    padding: 36px 0 0;
  }

  .page-contact .pc-rhythm::before {
    left: 0;
    right: 0;
    top: 4px;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(90deg, var(--mint) 0%, var(--flame) 100%);
  }

  .page-contact .pc-rhythm__item::before {
    left: 0;
    top: -35px;
  }
}

@media (min-width: 900px) {
  .page-contact {
    --pc-pad: 32px;
  }

  .page-contact .pc-hero {
    padding: 52px 0 54px;
  }

  .page-contact .pc-plate {
    margin-top: 4px;
  }

  .page-contact .pc-section {
    padding: 76px 0;
  }

  .page-contact .pc-coop {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-contact .pc-coop__card:nth-child(2) {
    margin-top: 34px;
  }

  .page-contact .pc-coop__card:nth-child(3) {
    margin-top: 68px;
  }

  .page-contact .pc-coop__card:hover {
    transform: translateY(-4px);
  }

  .page-contact .pc-reach {
    padding: 12px 0 76px;
  }

  .page-contact .pc-reach__card {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 44px;
    padding: 44px 40px;
    align-items: stretch;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .pc-region__grid {
    grid-template-columns: 1.45fr 0.75fr;
    gap: 60px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-btn,
  .page-contact .pc-coop__card {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>