.page-contact {
  --co-num: clamp(30px, 5vw, 46px);
  --co-card-gap: 18px;
  color: var(--ink);
}

/* ---------- 首屏：视觉在左，叙事在右 ---------- */
.page-contact .co-hero {
  padding: 40px 0 8px;
}

.page-contact .co-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

.page-contact .co-hero__figure {
  margin: 0;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-lift);
  background: var(--rail);
}

.page-contact .co-hero__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.92) contrast(1.04);
}

.page-contact .co-hero__figure .frame__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  text-transform: uppercase;
}

.page-contact .co-hero__lead {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .co-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 54px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 0;
}

.page-contact .co-hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.page-contact .co-hero__facts {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  border-top: 1px solid var(--line-soft);
  padding-top: 16px;
}

.page-contact .co-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.page-contact .co-hero__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .co-hero__unit {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 通用小节头 ---------- */
.page-contact .co-head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.page-contact .co-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.2;
  margin: 0;
}

.page-contact .co-head__note {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

/* ---------- 四条合作线 ---------- */
.page-contact .co-tracks__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .co-track {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 14px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .co-track__idx {
  font-family: var(--font-mono);
  font-size: 20px;
  color: var(--cyan);
  letter-spacing: 0.04em;
  padding-top: 3px;
}

.page-contact .co-track__body h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 19px;
  margin: 0 0 8px;
}

.page-contact .co-track__body p {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  max-width: 68ch;
}

.page-contact .co-track__who {
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: 0.06em;
  color: var(--amber) !important;
}

/* ---------- 场景 + 发起清单分屏 ---------- */
.page-contact .co-split__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .co-scene__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .co-scene {
  border-left: 2px solid var(--line);
  padding: 4px 0 4px 16px;
}

.page-contact .co-scene h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  margin: 10px 0 8px;
}

.page-contact .co-scene p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .co-split__right {
  display: flex;
  flex-direction: column;
  gap: var(--co-card-gap);
}

.page-contact .co-split__figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--split);
}

.page-contact .co-split__figure img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  opacity: 0.85;
}

/* 发起清单卡 */
.page-contact .co-brief {
  background: var(--rail);
  border: 1px solid var(--line);
  padding: 24px 22px;
}

.page-contact .co-brief h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  margin: 0 0 8px;
}

.page-contact .co-brief__note {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

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

.page-contact .co-check {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .co-check__box {
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  position: relative;
}

.page-contact .co-check__box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(40deg);
}

.page-contact .co-check .datakey {
  display: block;
  margin-bottom: 4px;
  color: var(--cyan);
}

.page-contact .co-check p:not(.datakey) {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 回信节奏带 ---------- */
.page-contact .co-band {
  margin: 8px 0;
  background: linear-gradient(100deg, var(--split) 0%, var(--rail) 62%, var(--indigo) 200%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .co-band__inner {
  padding: 36px 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

.page-contact .co-band__lead h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 2.8vw, 30px);
  margin: 8px 0 10px;
}

.page-contact .co-band__lead p {
  margin: 0;
  max-width: 58ch;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .co-band__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 32px;
}

.page-contact .co-band__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .co-band__stats .stat__value {
  font-family: var(--font-mono);
  font-size: var(--co-num);
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
}

.page-contact .co-band__stats .stat__unit {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .co-band__stat--pulse .stat__value {
  color: var(--pulse);
}

/* ---------- 联系方式 ---------- */
.page-contact .co-reach__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .co-reach__head {
  margin-bottom: 0;
}

.page-contact .co-reach__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--co-card-gap);
}

.page-contact .co-channel {
  background: var(--rail);
  border: 1px solid var(--line);
  padding: 22px 20px;
}

.page-contact .co-channel .datakey {
  color: var(--cyan);
  display: block;
  margin-bottom: 12px;
}

.page-contact .co-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.2vw, 21px);
  font-weight: 700;
  color: var(--ink);
  margin: 0 0 12px;
  word-break: break-word;
}

.page-contact .co-channel__value--mail {
  user-select: all;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 8px;
  font-size: clamp(14px, 2vw, 19px);
}

.page-contact .co-channel__addr {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 14px;
  line-height: 2;
  color: var(--ink);
  margin: 0 0 12px;
}

.page-contact .co-channel__use {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-contact .co-channel__use--dark {
  color: var(--court);
  opacity: 0.78;
}

.page-contact .co-channel.card--breath .datakey {
  color: var(--wine);
}

.page-contact .co-channel.card--breath {
  border-color: rgba(4, 20, 15, 0.16);
}

.page-contact .co-reach__legal {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

/* ---------- 延伸阅读 ---------- */
.page-contact .co-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .co-more__list li a {
  display: grid;
  gap: 6px;
  padding: 18px 18px 18px 20px;
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--cyan);
  text-decoration: none;
  color: inherit;
  transition: background-color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-contact .co-more__list li a:hover,
.page-contact .co-more__list li a:focus-visible {
  background: var(--split);
  border-color: var(--cyan);
  transform: translateX(2px);
}

.page-contact .co-more__list .datakey {
  color: var(--amber);
}

.page-contact .co-more__list strong {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
}

.page-contact .co-more__list span:not(.datakey) {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .co-hero {
    padding: 56px 0 12px;
  }

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

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

  .page-contact .co-band__inner {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

@media (min-width: 980px) {
  .page-contact .co-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5.5fr);
    gap: 52px;
  }

  .page-contact .co-tracks__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 44px;
    border-top: 0;
  }

  .page-contact .co-track {
    grid-template-columns: 62px 1fr;
    border-top: 1px solid var(--line);
  }

  .page-contact .co-split__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .co-reach__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .co-reach__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1200px) {
  .page-contact .co-more__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .co-more__list li a {
    transition: none;
  }
}
</PAGE_CSS>>>