.page-contact {
  --pc-line: rgba(176, 138, 62, .55);
  --pc-line-soft: rgba(176, 138, 62, .3);
  --pc-dim: rgba(237, 231, 218, .7);
  --pc-faint: rgba(237, 231, 218, .52);
  --pc-graphite-soft: rgba(42, 47, 44, .72);
  --pc-radius: 2px;
  background: var(--ink);
  color: var(--paper);
  overflow-x: hidden;
}

.page-contact .container {
  min-width: 0;
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 64px;
  background-image:
    radial-gradient(120% 88% at 10% 0%, rgba(176, 138, 62, .2) 0%, rgba(11, 43, 36, 0) 60%),
    radial-gradient(90% 70% at 92% 8%, rgba(30, 90, 168, .16) 0%, rgba(11, 43, 36, 0) 66%);
  border-bottom: 3px solid var(--pc-line);
}

.page-contact .pc-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: end;
}

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

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--pc-faint);
}

.page-contact .breadcrumbs__link {
  color: var(--pc-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-contact .breadcrumbs__link:hover {
  color: var(--gold-lit);
  border-bottom-color: var(--gold-lit);
}

.page-contact .pc-hero__label {
  margin: 0 0 18px;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gold-lit);
}

.page-contact .pc-hero__title {
  margin: 0 0 26px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 7.4vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .pc-hero__lead {
  max-width: 60ch;
  margin: 0 0 34px;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--pc-dim);
}

.page-contact .pc-hero__quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 36px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-hero__quick li {
  display: grid;
  gap: 4px;
  padding-left: 12px;
  border-left: 3px solid var(--gold);
}

.page-contact .pc-hero__qk {
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--pc-faint);
}

.page-contact .pc-hero__qv {
  font-size: 1.02rem;
  letter-spacing: .06em;
  color: var(--gold-lit);
}

.page-contact .pc-hero__figure {
  position: relative;
  margin: 0;
  border: 3px solid var(--gold);
  box-shadow: var(--shadow-hard);
  background: var(--ink-deep);
  overflow: hidden;
  min-width: 0;
}

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

.page-contact .pc-hero__figure .media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 10px 14px;
  background: rgba(7, 28, 23, .86);
  border-top: 2px solid var(--pc-line);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--pc-dim);
}

/* ---------- 通道选择器 ---------- */

.page-contact .pc-channels {
  padding: 72px 0 80px;
  background: var(--ink);
}

.page-contact .pc-channels__head {
  max-width: 68ch;
  margin-bottom: 44px;
}

.page-contact .section__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--gold-lit);
}

.page-contact .pc-channels__title,
.page-contact .pc-cards__title,
.page-contact .pc-template__title,
.page-contact .pc-partner__title,
.page-contact .pc-visit__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.6rem, 4.4vw, 2.7rem);
  line-height: 1.14;
  color: var(--paper);
}

.page-contact .pc-channels__note {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pc-dim);
}

.page-contact .pc-switch {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  min-width: 0;
}

.page-contact .pc-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .pc-switch__index {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}

.page-contact .pc-tab {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  align-items: baseline;
  padding: 15px 18px;
  border: 2px solid var(--pc-line-soft);
  background: rgba(7, 28, 23, .72);
  cursor: pointer;
  transition: border-color .3s var(--ease), background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-contact .pc-tab:hover {
  border-color: var(--gold);
  background: rgba(176, 138, 62, .1);
}

.page-contact .pc-tab__num {
  grid-row: 1 / 3;
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--gold-lit);
}

.page-contact .pc-tab__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .pc-tab__meta {
  font-size: .78rem;
  line-height: 1.55;
  color: var(--pc-faint);
}

.page-contact #pc-ch-errata:checked ~ .pc-switch__index .pc-tab[for="pc-ch-errata"],
.page-contact #pc-ch-rules:checked ~ .pc-switch__index .pc-tab[for="pc-ch-rules"],
.page-contact #pc-ch-partner:checked ~ .pc-switch__index .pc-tab[for="pc-ch-partner"],
.page-contact #pc-ch-idea:checked ~ .pc-switch__index .pc-tab[for="pc-ch-idea"] {
  border-color: var(--gold-lit);
  background: rgba(176, 138, 62, .16);
  box-shadow: inset 4px 0 0 var(--neon), var(--shadow-soft);
}

.page-contact #pc-ch-errata:checked ~ .pc-switch__index .pc-tab[for="pc-ch-errata"] .pc-tab__name,
.page-contact #pc-ch-rules:checked ~ .pc-switch__index .pc-tab[for="pc-ch-rules"] .pc-tab__name,
.page-contact #pc-ch-partner:checked ~ .pc-switch__index .pc-tab[for="pc-ch-partner"] .pc-tab__name,
.page-contact #pc-ch-idea:checked ~ .pc-switch__index .pc-tab[for="pc-ch-idea"] .pc-tab__name {
  color: var(--gold-lit);
}

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

.page-contact .pc-panel {
  display: none;
  padding: 28px 24px 26px;
  background: var(--paper);
  color: var(--graphite);
  border: 3px solid var(--gold);
  border-left: 8px solid var(--neon);
  box-shadow: var(--shadow-hard);
  min-width: 0;
}

.page-contact #pc-ch-errata:checked ~ .pc-switch__panels .pc-panel[data-pc-panel="errata"],
.page-contact #pc-ch-rules:checked ~ .pc-switch__panels .pc-panel[data-pc-panel="rules"],
.page-contact #pc-ch-partner:checked ~ .pc-switch__panels .pc-panel[data-pc-panel="partner"],
.page-contact #pc-ch-idea:checked ~ .pc-switch__panels .pc-panel[data-pc-panel="idea"] {
  display: block;
}

.page-contact .pc-panel__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  font-weight: 600;
  line-height: 1.25;
  color: var(--ink);
}

.page-contact .pc-panel__intro {
  margin: 0 0 8px;
  font-size: .98rem;
  line-height: 1.8;
  color: var(--pc-graphite-soft);
}

.page-contact .pc-panel__facts {
  margin: 0;
}

.page-contact .pc-fact {
  display: grid;
  gap: 6px;
  padding: 16px 0 0;
  margin-top: 16px;
  border-top: 1px solid rgba(42, 47, 44, .16);
}

.page-contact .pc-fact dt {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--tile-blue);
}

.page-contact .pc-fact dd {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 两条直连通道 ---------- */

.page-contact .pc-cards {
  padding: 80px 0 88px;
  background: var(--ink-deep);
  border-top: 3px solid var(--pc-line);
  border-bottom: 3px solid var(--pc-line);
}

.page-contact .pc-cards__head {
  max-width: 60ch;
  margin-bottom: 40px;
}

.page-contact .pc-cards__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-contact .pc-card {
  display: grid;
  gap: 16px;
  align-content: start;
  padding: 30px 24px 26px;
  background: var(--paper);
  color: var(--graphite);
  border: 3px solid var(--gold);
  box-shadow: var(--shadow-hard);
  min-width: 0;
}

.page-contact .pc-card--mail {
  border-top-width: 9px;
  border-top-color: var(--tile-blue);
}

.page-contact .pc-card--phone {
  border-top-width: 9px;
  border-top-color: var(--neon);
}

.page-contact .pc-card__label {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--tile-blue);
}

.page-contact .pc-card--phone .pc-card__label {
  color: var(--neon);
}

.page-contact .pc-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.4vw, 1.38rem);
  letter-spacing: .04em;
  line-height: 1.4;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-card__desc {
  margin: 0;
  font-size: .96rem;
  line-height: 1.82;
  color: var(--pc-graphite-soft);
}

.page-contact .pc-card__note {
  margin: 0;
  padding: 14px 16px;
  background: var(--tile-white);
  border-left: 4px solid var(--gold);
  font-size: .88rem;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 勘误模板 ---------- */

.page-contact .pc-template {
  padding: 80px 0 88px;
  background: var(--ink);
}

.page-contact .pc-template__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-contact .pc-template__lead {
  margin: 0 0 22px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pc-dim);
}

.page-contact .pc-template__send {
  margin: 0;
  padding: 14px 16px;
  border: 2px dashed var(--pc-line);
  font-size: .9rem;
  line-height: 1.75;
  color: var(--gold-lit);
}

.page-contact .pc-field {
  margin-bottom: 10px;
  border: 2px solid var(--pc-line-soft);
  background: rgba(7, 28, 23, .68);
  transition: border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-contact .pc-field:hover {
  border-color: var(--gold);
}

.page-contact .pc-field[open] {
  border-color: var(--gold-lit);
  background: rgba(7, 28, 23, .92);
}

.page-contact .pc-field__head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 16px;
  padding: 16px 52px 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .pc-field__head::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--gold-lit);
  transition: transform .3s var(--ease);
}

.page-contact .pc-field[open] .pc-field__head::after {
  transform: translateY(-50%) rotate(45deg);
}

.page-contact .pc-field__num {
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--neon);
}

.page-contact .pc-field__name {
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .pc-field__hint {
  flex: 1 1 100%;
  font-size: .8rem;
  color: var(--pc-faint);
}

.page-contact .pc-field__body {
  padding: 16px 18px 20px;
  border-top: 1px dashed var(--pc-line-soft);
  font-size: .93rem;
  line-height: 1.8;
  color: var(--pc-dim);
}

.page-contact .pc-field__sample {
  display: block;
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(0, 0, 0, .34);
  border-left: 3px solid var(--tile-blue);
  font-size: .82rem;
  letter-spacing: .05em;
  color: var(--gold-lit);
  overflow-wrap: anywhere;
}

/* ---------- 厂商合作 ---------- */

.page-contact .pc-partner {
  padding: 80px 0 88px;
  background: var(--ink-deep);
  border-top: 3px solid var(--pc-line);
  border-bottom: 3px solid var(--pc-line);
}

.page-contact .pc-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: start;
}

.page-contact .pc-partner__leadtext {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pc-dim);
}

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

.page-contact .pc-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  padding: 24px 0;
  border-top: 2px solid var(--pc-line-soft);
}

.page-contact .pc-step:last-child {
  border-bottom: 2px solid var(--pc-line-soft);
}

.page-contact .pc-step__num {
  font-size: 1.5rem;
  line-height: 1;
  color: var(--gold-lit);
  letter-spacing: .06em;
}

.page-contact .pc-step__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.16rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .pc-step__body p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--pc-dim);
}

/* ---------- 到访 ---------- */

.page-contact .pc-visit {
  padding: 80px 0 72px;
  background: var(--ink);
}

.page-contact .pc-visit__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  align-items: center;
}

.page-contact .pc-visit__addr {
  display: block;
  margin: 0 0 14px;
  padding-left: 18px;
  border-left: 5px solid var(--neon);
  font-family: var(--font-display);
  font-style: normal;
  font-size: clamp(1.15rem, 3.6vw, 1.7rem);
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .pc-visit__hours {
  margin: 0 0 20px;
  font-size: .92rem;
  letter-spacing: .06em;
  color: var(--gold-lit);
}

.page-contact .pc-visit__tip {
  margin: 0;
  max-width: 58ch;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--pc-dim);
}

.page-contact .pc-visit__figure {
  position: relative;
  margin: 0;
  border: 3px solid var(--gold);
  box-shadow: var(--shadow-soft);
  background: var(--ink-deep);
  overflow: hidden;
  min-width: 0;
}

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

.page-contact .pc-visit__figure .media-frame__caption {
  margin: 0;
  padding: 10px 14px;
  background: var(--ink-deep);
  border-top: 2px solid var(--pc-line);
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .06em;
  color: var(--pc-faint);
}

/* ---------- 站点信息条 ---------- */

.page-contact .pc-meta {
  padding: 0 0 72px;
  background-color: var(--ink);
  background-image: repeating-linear-gradient(135deg, rgba(30, 90, 168, .09) 0 14px, rgba(176, 138, 62, .05) 14px 28px);
}

.page-contact .pc-meta__bar {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 3px solid var(--gold);
  background: var(--pc-line-soft);
}

.page-contact .pc-meta__item {
  display: grid;
  gap: 6px;
  padding: 18px;
  background: var(--ink-deep);
}

.page-contact .pc-meta__k {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pc-faint);
}

.page-contact .pc-meta__v {
  font-size: .95rem;
  letter-spacing: .05em;
  color: var(--gold-lit);
  overflow-wrap: anywhere;
}

/* ---------- 移动端底部通道条 ---------- */

.page-contact .pc-rail {
  display: none;
}

.page-contact .pc-rail__item {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.page-contact .pc-rail__k {
  font-size: .62rem;
  font-weight: 400;
  letter-spacing: .18em;
  color: var(--pc-faint);
}

.page-contact .pc-rail__v {
  font-size: .76rem;
  letter-spacing: .03em;
  line-height: 1.35;
  color: var(--gold-lit);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */

@media (max-width: 719px) {
  .page-contact {
    padding-bottom: 78px;
  }

  .page-contact .pc-rail {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 8px 14px calc(8px + env(safe-area-inset-bottom, 0px));
    background: var(--ink-deep);
    border-top: 3px solid var(--gold);
  }
}

@media (min-width: 640px) {
  .page-contact .pc-hero {
    padding-bottom: 72px;
  }

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

@media (min-width: 900px) {
  .page-contact .pc-hero__inner {
    grid-template-columns: 7fr 4fr;
    gap: 56px;
  }

  .page-contact .pc-hero__figure {
    max-height: 560px;
  }

  .page-contact .pc-switch {
    grid-template-columns: minmax(232px, 320px) 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .pc-tab {
    padding: 18px 20px;
  }

  .page-contact .pc-panel {
    padding: 38px 36px 34px;
  }

  .page-contact .pc-cards__grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .page-contact .pc-template__grid {
    grid-template-columns: 4fr 7fr;
    gap: 64px;
  }

  .page-contact .pc-partner__grid {
    grid-template-columns: 5fr 7fr;
    gap: 56px;
  }

  .page-contact .pc-visit__grid {
    grid-template-columns: 6fr 5fr;
    gap: 56px;
  }

  .page-contact .pc-meta__bar {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-tab,
  .page-contact .pc-field,
  .page-contact .pc-field__head::after,
  .page-contact .breadcrumbs__link {
    transition: none;
  }
}
<<<END>>>