.page-contact {
  --pc-line: rgba(42, 92, 130, 0.55);
  --pc-line-soft: rgba(42, 92, 130, 0.3);
  --pc-text-soft: #c9d6e2;
  --pc-amber-ink: #8a5a0b;
  --pc-amber-wash: rgba(224, 166, 60, 0.14);
  background:
    radial-gradient(1100px 520px at 86% -12%, rgba(42, 92, 130, 0.32), transparent 62%),
    radial-gradient(760px 460px at -8% 24%, rgba(126, 156, 147, 0.12), transparent 60%),
    var(--ink-900);
  color: var(--paper);
  padding-bottom: clamp(56px, 9vw, 104px);
  overflow-x: clip;
}

.page-contact .pc-wrap {
  padding-top: clamp(92px, 13vw, 128px);
}

.page-contact .pc-crumbs {
  margin-bottom: 24px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 14px;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .pc-eyebrow__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal);
  box-shadow: 0 0 0 4px rgba(255, 122, 69, 0.16);
}

.page-contact .pc-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.95rem, 5vw, 2.441rem);
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .pc-hero__title em {
  font-style: normal;
  color: var(--amber);
}

.page-contact .pc-hero__lead {
  max-width: 66ch;
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--pc-text-soft);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: clamp(30px, 5vw, 44px);
}

.page-contact .pc-sub {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .pc-sub__note {
  margin: 0 0 16px;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 合作方向索引 ---------- */
.page-contact .pc-index {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-index__item {
  background: linear-gradient(180deg, var(--ink-800), rgba(22, 56, 83, 0.72));
  border: 1px solid var(--pc-line-soft);
  border-left: 3px solid var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .pc-index__item:hover,
.page-contact .pc-index__item[open] {
  border-color: var(--amber);
  background: linear-gradient(180deg, var(--ink-700), rgba(22, 56, 83, 0.9));
}

.page-contact .pc-index__sum {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .pc-index__no {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .pc-index__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.0625rem;
  color: var(--paper);
}

.page-contact .pc-index__who {
  flex: 1 1 100%;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--steel);
}

.page-contact .pc-index__body {
  padding: 0 18px 18px;
  border-top: 1px dashed var(--pc-line-soft);
  margin-top: 2px;
}

.page-contact .pc-index__body p {
  margin: 12px 0 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--pc-text-soft);
}

.page-contact .pc-index__more {
  font-family: var(--font-display);
  font-size: 0.88rem;
}

.page-contact .pc-index__more a {
  color: var(--amber-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 206, 134, 0.4);
}

.page-contact .pc-index__more a:hover,
.page-contact .pc-index__more a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-contact .pc-hero__figure {
  margin: 0;
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 1px solid var(--pc-line-soft);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 提交面板 ---------- */
.page-contact .pc-panel {
  background: var(--paper);
  color: var(--paper-ink);
  padding: clamp(22px, 3.4vw, 34px);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.page-contact .pc-panel__tag {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--pc-amber-ink);
}

.page-contact .pc-panel__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--paper-ink);
}

.page-contact .pc-panel__lead {
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.85;
  color: #3d4games;
  color: #3d4a58;
}

.page-contact .pc-fields {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px dashed var(--paper-line);
}

.page-contact .pc-field {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 2px 12px;
  padding: 13px 0;
  border-top: 1px dashed var(--paper-line);
}

.page-contact .pc-field__no {
  grid-row: span 2;
  font-size: 0.78rem;
  color: var(--pc-amber-ink);
  padding-top: 2px;
}

.page-contact .pc-field__label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--paper-ink);
}

.page-contact .pc-field__hint {
  font-size: 0.86rem;
  line-height: 1.65;
  color: #55636f;
}

.page-contact .pc-panel__foot {
  margin: 18px 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--pc-amber-ink);
}

/* ---------- 区块通用 ---------- */
.page-contact .pc-block {
  margin-top: clamp(56px, 8vw, 96px);
}

.page-contact .pc-head {
  display: grid;
  gap: 8px;
  margin-bottom: 26px;
}

.page-contact .pc-head__no {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.24em;
  color: var(--amber);
}

.page-contact .pc-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.8vw, 1.5625rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-contact .pc-head__note {
  max-width: 66ch;
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--pc-text-soft);
}

/* ---------- 纠错流程 ---------- */
.page-contact .pc-flow__figure {
  margin: 0 0 22px;
  aspect-ratio: 4 / 1;
  overflow: hidden;
  border: 1px solid var(--pc-line-soft);
}

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

.page-contact .pc-track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-track__cell {
  min-width: 0;
}

.page-contact .pc-node {
  position: relative;
  padding-left: 20px;
  border-left: 2px solid var(--pc-line-soft);
}

.page-contact .pc-node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 18px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
}

.page-contact .pc-node__sum {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0 8px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .pc-node__no {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .pc-node__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--paper);
}

.page-contact .pc-node__body {
  margin: 0 0 12px;
  padding-right: 8px;
  font-family: var(--font-body);
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--pc-text-soft);
}

/* ---------- 联系方式 ---------- */
.page-contact .pc-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .pc-ccard {
  background: var(--ink-800);
  border: 1px solid var(--pc-line-soft);
  border-top: 2px solid var(--amber);
  padding: 18px 18px 20px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-contact .pc-ccard__key {
  margin: 0 0 10px;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-contact .pc-ccard__val {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .pc-ccard__note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 身份与覆盖 ---------- */
.page-contact .pc-region {
  margin: 0 0 24px;
  padding: 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-region__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-region__key {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .pc-region__val {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.98rem;
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .pc-routes {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-contact .pc-routes__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--pc-line);
  color: var(--paper);
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .pc-routes__link:hover,
.page-contact .pc-routes__link:focus-visible {
  border-color: var(--amber);
  background: var(--pc-amber-wash);
  color: var(--amber-soft);
}

/* ---------- 底部校对线 ---------- */
.page-contact .pc-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: clamp(40px, 6vw, 64px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pc-line-soft);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--steel);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .pc-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-region__row {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
    position: relative;
    padding-top: 26px;
  }

  .page-contact .pc-track::before {
    content: "";
    position: absolute;
    top: 13px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--sage), var(--pc-line) 72%, rgba(42, 92, 130, 0.08));
  }

  .page-contact .pc-track__cell + .pc-track__cell {
    border-left: 1px solid var(--pc-line-soft);
  }

  .page-contact .pc-node {
    border-left: 0;
    padding-left: 16px;
  }

  .page-contact .pc-node::before {
    left: 16px;
    top: -17px;
    width: 9px;
    height: 9px;
    box-shadow: 0 0 0 4px rgba(255, 122, 69, 0.16);
  }

  .page-contact .pc-node__body {
    padding-right: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 34px;
    align-items: start;
  }

  .page-contact .pc-index__sum {
    align-items: center;
  }

  .page-contact .pc-index__who {
    flex: 0 1 auto;
    margin-left: auto;
    text-align: right;
  }
}

@media (min-width: 1040px) {
  .page-contact .pc-contact {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-index__item,
  .page-contact .pc-routes__link {
    transition: none;
  }
}
<<<END>>>