.page-contact {
  --pc-shadow: 0 20px 44px -30px rgba(16, 19, 15, 0.6);
  --pc-frame: rgba(16, 19, 15, 0.16);
}

.page-contact .pc-mono {
  font-family: var(--kg-mono);
  letter-spacing: 0.02em;
  overflow-wrap: anywhere;
}

.page-contact .pc-section-title {
  font-size: clamp(26px, 4.4vw, 40px);
  margin: 0.2em 0 0.4em;
}

/* ---------- 首屏双栏 ---------- */
.page-contact .pc-hero {
  padding-top: clamp(8px, 2vw, 20px);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .pc-hero__title {
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.12;
  margin: 0.18em 0 0.35em;
  overflow-wrap: anywhere;
}

.page-contact .pc-hero__lead {
  max-width: 46ch;
}

.page-contact .pc-chips {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .pc-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--pc-frame);
  background: rgba(255, 255, 255, 0.55);
  padding: 6px 12px 6px 6px;
  border-radius: var(--kg-radius);
}

.page-contact .pc-chip__num {
  font-family: var(--kg-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  background: var(--kg-lime);
  color: var(--kg-seed);
  padding: 3px 6px;
  border-radius: var(--kg-radius);
}

.page-contact .pc-chip__link {
  color: var(--kg-skin);
  text-decoration: none;
  font-weight: 700;
  font-size: 14px;
  border-bottom: 2px solid transparent;
}

.page-contact .pc-chip__link:hover,
.page-contact .pc-chip__link:focus-visible {
  border-bottom-color: var(--kg-flesh);
}

/* ---------- 联系信息卡 ---------- */
.page-contact .pc-card {
  position: relative;
  overflow: hidden;
  background: var(--kg-skin);
  color: var(--kg-on-dark);
  border: 1px solid rgba(198, 242, 74, 0.3);
  border-radius: var(--kg-radius);
  box-shadow: var(--pc-shadow);
}

.page-contact .pc-card__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.16;
  pointer-events: none;
}

.page-contact .pc-card__body {
  position: relative;
  z-index: 1;
  padding: clamp(20px, 4vw, 32px);
}

.page-contact .pc-card__title {
  font-size: clamp(20px, 3vw, 26px);
  line-height: 1.25;
  margin: 10px 0 18px;
  color: var(--kg-on-dark);
}

.page-contact .pc-card__rows {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-card__row dt {
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kg-lime);
  margin-bottom: 4px;
}

.page-contact .pc-card__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.62;
  color: var(--kg-on-dark);
  overflow-wrap: anywhere;
}

.page-contact .pc-card__note {
  margin: 20px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(234, 239, 226, 0.32);
  font-size: 13px;
  line-height: 1.7;
  color: var(--kg-on-dark-muted);
}

/* ---------- 三类合作 ---------- */
.page-contact .pc-type-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .pc-type {
  padding: clamp(20px, 3.4vw, 32px) 0;
  border-top: 1px solid var(--pc-frame);
}

.page-contact .pc-type:last-child {
  border-bottom: 1px solid var(--pc-frame);
}

.page-contact .pc-type__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 18px;
}

.page-contact .pc-type__num {
  font-family: var(--kg-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--kg-skin);
  border: 1px solid var(--kg-skin);
  padding: 4px 8px;
  border-radius: var(--kg-radius);
  flex: none;
}

.page-contact .pc-type__title {
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.2;
  margin: 0 0 6px;
  color: var(--kg-seed);
}

.page-contact .pc-type__tag {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--kg-slate-ink);
}

.page-contact .pc-type__meta {
  margin: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-meta dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--kg-skin);
  margin-bottom: 4px;
}

.page-contact .pc-meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--kg-ink-soft);
}

.page-contact .pc-materials {
  margin-top: 18px;
  border-top: 1px dashed var(--kg-line-strong);
  padding-top: 14px;
}

.page-contact .pc-materials summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--kg-skin);
}

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

.page-contact .pc-materials summary::before {
  content: "＋";
  font-family: var(--kg-mono);
  color: var(--kg-orange);
}

.page-contact .pc-materials[open] summary::before {
  content: "－";
}

.page-contact .pc-materials summary:focus-visible {
  outline: 2px solid var(--kg-flesh);
  outline-offset: 3px;
}

.page-contact .pc-materials__list {
  margin: 12px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--kg-ink-soft);
}

.page-contact .pc-materials__list li::marker {
  color: var(--kg-flesh);
}

/* ---------- 合作周期（灰蓝色带） ---------- */
.page-contact .pc-cycle {
  background: var(--kg-slate-bg);
  color: var(--kg-slate-ink);
  padding-block: clamp(36px, 6vw, 72px);
}

.page-contact .pc-cycle__eyebrow {
  color: var(--kg-slate-ink);
}

.page-contact .pc-cycle__lead {
  color: var(--kg-slate-ink);
  max-width: 60ch;
}

.page-contact .pc-cycle .pc-section-title {
  color: var(--kg-seed);
}

.page-contact .pc-cycle__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  margin-top: 28px;
}

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

.page-contact .pc-steps__item {
  position: relative;
  padding: 0 0 24px 30px;
  border-left: 2px solid rgba(72, 88, 106, 0.4);
}

.page-contact .pc-steps__item:last-child {
  border-left-color: transparent;
  padding-bottom: 0;
}

.page-contact .pc-steps__item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--kg-orange);
  box-shadow: 0 0 0 4px var(--kg-slate-bg);
}

.page-contact .pc-steps__label {
  margin: 0 0 4px;
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kg-wine);
}

.page-contact .pc-steps__title {
  margin: 0 0 6px;
  font-size: 18px;
  color: var(--kg-seed);
}

.page-contact .pc-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--kg-slate-ink);
}

.page-contact .pc-cycle__aside {
  background: rgba(247, 245, 238, 0.72);
  border: 1px solid rgba(72, 88, 106, 0.28);
  border-radius: var(--kg-radius);
  padding: clamp(18px, 3vw, 26px);
}

.page-contact .pc-cycle__aside-title {
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--kg-seed);
}

.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .pc-checklist li {
  position: relative;
  padding-left: 20px;
  color: var(--kg-slate-ink);
}

.page-contact .pc-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--kg-flesh);
}

.page-contact .pc-cycle__aside-note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(72, 88, 106, 0.35);
  font-size: 13px;
  line-height: 1.75;
  color: var(--kg-slate-ink);
}

/* ---------- 反馈路径 ---------- */
.page-contact .pc-paths {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 26px;
}

.page-contact .pc-path {
  border: 1px solid var(--pc-frame);
  border-top: 4px solid var(--kg-orange);
  border-radius: var(--kg-radius);
  padding: clamp(18px, 3vw, 24px);
  background: rgba(255, 255, 255, 0.55);
}

.page-contact .pc-path--coop {
  border-top-color: var(--kg-flesh);
}

.page-contact .pc-path__label {
  color: var(--kg-slate-ink);
  margin: 0 0 8px;
}

.page-contact .pc-path__title {
  margin: 0 0 8px;
  font-size: clamp(18px, 2.6vw, 22px);
  color: var(--kg-seed);
}

.page-contact .pc-path__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--kg-ink-soft);
}

.page-contact .pc-path__link {
  margin: 14px 0 0;
}

.page-contact .pc-path__link a {
  color: var(--kg-skin);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  border-bottom: 2px solid var(--kg-lime);
}

.page-contact .pc-path__link a:focus-visible {
  outline: 2px solid var(--kg-flesh);
  outline-offset: 3px;
}

.page-contact .pc-flow__figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-contact .pc-flow__figure .kg-figure__media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-contact .pc-flow__steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-contact .pc-flow__step {
  position: relative;
  padding-top: 22px;
  border-top: 2px solid var(--kg-line-strong);
}

.page-contact .pc-flow__step::before {
  content: "";
  position: absolute;
  top: -7px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--kg-flesh);
  border: 2px solid var(--kg-paper);
}

.page-contact .pc-flow__title {
  margin: 0 0 6px;
  font-family: var(--kg-mono);
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--kg-wine);
}

.page-contact .pc-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--kg-ink-soft);
}

/* ---------- 联系方式（靛紫区） ---------- */
.page-contact .pc-contact {
  background: var(--kg-indigo);
  color: var(--kg-on-dark);
  padding-block: clamp(38px, 6vw, 76px);
}

.page-contact .pc-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 48px);
}

.page-contact .pc-contact__eyebrow {
  color: var(--kg-lime);
}

.page-contact .pc-contact .pc-section-title {
  color: var(--kg-on-dark);
}

.page-contact .pc-contact__lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--kg-on-dark-muted);
  max-width: 52ch;
}

.page-contact .pc-more {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .pc-more__link {
  display: inline-block;
  padding: 7px 13px;
  font-size: 13px;
  color: var(--kg-on-dark);
  text-decoration: none;
  border: 1px solid rgba(198, 242, 74, 0.45);
  border-radius: var(--kg-radius);
}

.page-contact .pc-more__link:hover,
.page-contact .pc-more__link:focus-visible {
  background: var(--kg-lime);
  color: var(--kg-seed);
  border-color: var(--kg-lime);
}

.page-contact .pc-contact__list {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-contact .pc-contact__row {
  border-top: 1px solid rgba(234, 239, 226, 0.24);
  padding-top: 14px;
}

.page-contact .pc-contact__row dt {
  font-family: var(--kg-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kg-lime);
  margin-bottom: 6px;
}

.page-contact .pc-contact__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--kg-on-dark);
  overflow-wrap: anywhere;
}

.page-contact .pc-contact__mono {
  font-size: clamp(17px, 2.6vw, 21px);
}

.page-contact .pc-contact__hint {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--kg-on-dark-muted);
}

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

/* ---------- 宽屏栅格 ---------- */
@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .pc-card {
    position: sticky;
    top: 96px;
  }

  .page-contact .pc-type__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .pc-cycle__grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    align-items: start;
  }

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

  .page-contact .pc-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .pc-contact__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-hero__title {
    letter-spacing: -0.01em;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}
<<<END>>>