.page-contact {
  --contact-gap: 18px;
  --contact-radius: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--bar-h) + 40px) 0 148px;
  background: var(--ink-deeper);
}

.page-contact .contact-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__bg img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-contact .contact-hero__veil {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(6, 35, 27, 0.6) 0%, rgba(11, 61, 46, 0.9) 58%, var(--ink-deep) 100%),
    repeating-linear-gradient(90deg, rgba(140, 154, 147, 0.08) 0 1px, transparent 1px 64px);
}

.page-contact .contact-hero__inner {
  position: relative;
}

.page-contact .contact-hero__eyebrow {
  margin: 26px 0 14px;
  color: var(--lime);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(32px, 7vw, 72px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--bone);
  max-width: 16ch;
}

.page-contact .contact-hero__lead {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.82);
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__fact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 12px;
  border-left: 2px solid var(--lime);
}

.page-contact .contact-hero__fact-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .contact-hero__fact-v {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--bone);
}

/* ---------- 章节通用头 ---------- */
.page-contact .contact-block__head {
  display: grid;
  gap: 14px;
  max-width: 800px;
  margin-bottom: 36px;
}

.page-contact .contact-block__head .section-num {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(40px, 9vw, 80px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px var(--clay);
}

.page-contact .contact-block__head .section-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--bone);
}

.page-contact .contact-block__head .section-lead {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.74);
}

/* ---------- 01 通道卡 ---------- */
.page-contact .contact-channels {
  position: relative;
  z-index: 2;
  margin-top: -100px;
  padding-bottom: 40px;
}

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

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 28px 22px 24px;
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  clip-path: var(--cut-corner);
  transition: transform 0.26s var(--ease), border-color 0.26s var(--ease), background-color 0.26s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 3px;
  background: var(--lime);
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--lime-soft);
  background-color: rgba(30, 92, 70, 0.78);
}

.page-contact .channel-card:target {
  border-color: var(--lime);
  box-shadow: inset 0 0 0 1px var(--lime);
  background-color: rgba(30, 92, 70, 0.86);
}

.page-contact .channel-card__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--lime);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 25px;
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-contact .channel-card__value {
  margin: 0;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.5;
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
  color: var(--lime-soft);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__fit {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.76);
}

.page-contact .channel-card__foot {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: auto 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-contact .channel-card__go {
  display: inline-block;
  margin-top: 4px;
  padding: 10px 0 0;
  border-top: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--lime);
  text-decoration: none;
}

.page-contact .channel-card__go:hover,
.page-contact .channel-card__go:focus-visible {
  color: var(--lime-soft);
}

/* ---------- 02 时段与准备清单 ---------- */
.page-contact .shift-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .shift-copy .section-num {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(40px, 9vw, 80px);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px var(--clay);
}

.page-contact .shift-copy .section-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.4vw, 40px);
  line-height: 1.16;
  color: var(--bone);
}

.page-contact .shift-copy__lead {
  margin: 0 0 30px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.76);
}

.page-contact .check-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-list__item {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
}

.page-contact .check-list__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .check-list__icon {
  margin-top: 3px;
  color: var(--lime);
  flex: none;
}

.page-contact .check-list__title {
  display: block;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--bone);
}

.page-contact .check-list__text {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.7);
}

.page-contact .shift-copy__more {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .inline-link {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 0, 0.45);
}

.page-contact .inline-link:hover,
.page-contact .inline-link:focus-visible {
  color: var(--lime-soft);
  border-bottom-color: var(--lime-soft);
}

.page-contact .inline-link--dark {
  color: var(--moss);
  border-bottom-color: rgba(30, 92, 70, 0.5);
}

.page-contact .inline-link--dark:hover,
.page-contact .inline-link--dark:focus-visible {
  color: var(--ink-deep);
  border-bottom-color: var(--ink-deep);
}

.page-contact .shift-figure {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  clip-path: var(--cut-corner);
  background: var(--moss);
}

.page-contact .shift-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .shift-figure__cap {
  display: block;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.03em;
  color: var(--lime-soft);
  background: rgba(6, 35, 27, 0.86);
  border-top: 1px solid var(--line);
}

/* ---------- 03 合作方向 ---------- */
.page-contact .collab-list {
  display: grid;
  gap: 14px;
}

.page-contact .collab-item {
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  clip-path: var(--cut-corner);
}

.page-contact .collab-item[open] {
  background-color: rgba(30, 92, 70, 0.6);
  border-color: var(--lime-soft);
}

.page-contact .collab-item .disclosure__summary {
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-areas:
    "no name"
    "no hint";
  gap: 4px 12px;
  padding: 20px 22px;
  cursor: pointer;
  list-style: none;
}

.page-contact .collab-item .disclosure__summary::-webkit-details-marker {
  display: none;
}

.page-contact .collab-item__no {
  grid-area: no;
  font-family: var(--font-display);
  font-size: 26px;
  line-height: 1;
  color: var(--clay);
}

.page-contact .collab-item[open] .collab-item__no {
  color: var(--lime);
}

.page-contact .collab-item__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-contact .collab-item__hint {
  grid-area: hint;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--stone);
}

.page-contact .collab-item .disclosure__body {
  padding: 0 22px 24px 68px;
}

.page-contact .collab-item__body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(242, 239, 230, 0.8);
}

.page-contact .collab-item__ask {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--lime) !important;
}

.page-contact .collab-item__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .collab-item__list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.7;
  color: rgba(242, 239, 230, 0.72);
}

.page-contact .collab-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  background: var(--lime);
}

.page-contact .collab-foot {
  margin: 26px 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--lime);
  background: rgba(6, 35, 27, 0.55);
  font-size: 15px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .collab-foot__mail {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  color: var(--lime-soft);
  overflow-wrap: anywhere;
}

/* ---------- 04 场景速查 ---------- */
.page-contact .scene-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .scene-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background-color 0.24s var(--ease);
}

.page-contact .scene-row:hover {
  background: rgba(30, 92, 70, 0.32);
}

.page-contact .scene-row__case {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--bone);
}

.page-contact .scene-row__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--stone);
}

.page-contact .scene-row__go {
  justify-self: start;
  display: inline-block;
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
  text-decoration: none;
  border: 1px solid rgba(198, 255, 0, 0.5);
  clip-path: var(--cut-corner);
  transition: background-color 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .scene-row__go:hover,
.page-contact .scene-row__go:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-deeper);
}

/* ---------- 05 属地登记牌 ---------- */
.page-contact .contact-registry {
  padding-bottom: 96px;
}

.page-contact .registry {
  background: var(--bone);
  color: var(--ink-deep);
  clip-path: var(--cut-corner);
  padding: 34px 22px 32px;
}

.page-contact .registry__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  border-bottom: 2px solid var(--ink-deep);
  padding-bottom: 18px;
}

.page-contact .registry__num {
  margin: 0;
  font-family: var(--font-display);
  font-size: 40px;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--clay);
  -webkit-text-stroke: 0;
}

.page-contact .registry__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.2;
  color: var(--ink-deep);
}

.page-contact .registry__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px 32px;
  margin: 26px 0 0;
}

.page-contact .registry__row {
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(30, 92, 70, 0.22);
}

.page-contact .registry__term {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--moss);
}

.page-contact .registry__desc {
  margin: 8px 0 0;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 600;
  color: var(--ink-deep);
  overflow-wrap: anywhere;
}

.page-contact .registry__desc--mono {
  font-family: var(--font-mono);
  font-weight: 500;
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
}

.page-contact .registry__note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(30, 92, 70, 0.22);
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero {
    padding: calc(var(--bar-h) + 56px) 0 168px;
  }

  .page-contact .channel-card {
    padding: 32px 26px 28px;
  }

  .page-contact .scene-row {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) auto;
    align-items: center;
    gap: 22px;
  }

  .page-contact .scene-row__go {
    justify-self: end;
    white-space: nowrap;
  }

  .page-contact .registry {
    padding: 44px 40px 40px;
  }

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

@media (min-width: 1000px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .contact-channels {
    margin-top: -120px;
  }

  .page-contact .shift-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 4fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .collab-item__name {
    font-size: 23px;
  }

  .page-contact .collab-item .disclosure__body {
    padding-left: 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .scene-row,
  .page-contact .scene-row__go {
    transition: none;
  }

  .page-contact .channel-card:hover {
    transform: none;
  }
}
<<<END>>>