.page-contact {
  --pc-cut: 18px;
  --pc-gap: clamp(18px, 3.2vw, 38px);
  --pc-ink-soft: rgba(18, 18, 18, 0.66);
  --pc-line: rgba(201, 154, 61, 0.45);
  --pc-soft: rgba(247, 243, 234, 0.72);
  background: var(--c-jade);
  color: var(--c-ink);
  overflow-x: hidden;
}

.page-contact .pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-red);
}
.page-contact .pc-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--c-red);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding-top: clamp(16px, 3vw, 30px);
}
.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--edge);
  width: min(42%, 300px);
  height: 3px;
  background: linear-gradient(90deg, var(--c-red), rgba(200, 16, 46, 0));
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .pc-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(27px, 5.4vw, 51px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  max-width: 18ch;
}

.page-contact .pc-hero__desc {
  margin: 16px 0 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-ink-soft);
}

.page-contact .pc-mail-card {
  position: relative;
  margin-top: clamp(22px, 3.6vw, 34px);
  padding: clamp(20px, 3.4vw, 34px);
  background: var(--c-ink);
  color: var(--c-jade);
  border-top: 3px solid var(--c-red);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), calc(100% - var(--pc-cut)) 100%, 0 100%);
  box-shadow: var(--shadow-soft);
}

.page-contact .pc-mail-card__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-gold);
}

.page-contact .pc-mail-card__addr {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 12px 0 0;
  font-size: clamp(16px, 3.4vw, 27px);
  line-height: 1.35;
  font-weight: 600;
  color: var(--c-jade);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.page-contact .pc-mail-card__addr .mono {
  font-family: var(--font-mono);
  letter-spacing: -0.01em;
  min-width: 0;
}
.page-contact .pc-mail-card__icon {
  flex: none;
  margin-top: 3px;
  color: var(--c-gold-bright);
}

.page-contact .pc-mail-card__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 20px;
}

.page-contact .pc-hero__hint {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--c-slate);
}

.page-contact .pc-hero__fig {
  margin: 0;
  position: relative;
  background: var(--c-paper);
  border: var(--hair);
  padding: 10px 10px 0;
}
.page-contact .pc-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}
.page-contact .pc-hero__fig figcaption {
  padding: 12px 4px 14px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-char);
}

/* ---------- 复制按钮 ---------- */
.page-contact .pc-copy {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 15px;
  font-family: var(--font-body);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--c-red);
  background: transparent;
  border: 1px solid rgba(200, 16, 46, 0.5);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: var(--c-red);
  border-color: var(--c-red);
  color: var(--c-jade);
  outline: none;
}
.page-contact .pc-copy--solid {
  color: var(--c-ink);
  background: var(--c-gold-bright);
  border-color: var(--c-gold-bright);
}
.page-contact .pc-copy--solid:hover,
.page-contact .pc-copy--solid:focus-visible {
  background: var(--c-gold);
  border-color: var(--c-gold);
  color: var(--c-ink);
}
.page-contact .pc-copy--gold {
  color: var(--c-gold-bright);
  border-color: rgba(255, 215, 106, 0.6);
}
.page-contact .pc-copy--gold:hover,
.page-contact .pc-copy--gold:focus-visible {
  background: var(--c-gold-bright);
  border-color: var(--c-gold-bright);
  color: var(--c-ink);
}
.page-contact .pc-copy[data-copied="true"] {
  background: var(--c-teal);
  border-color: var(--c-teal);
  color: #fff;
}

.page-contact .pc-quiet-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--c-gold-bright);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 215, 106, 0.55);
  padding-bottom: 2px;
}
.page-contact .pc-quiet-link:hover {
  color: #fff;
  border-bottom-color: #fff;
}
.page-contact .pc-quiet-link--light {
  color: var(--c-gold-bright);
}

/* ---------- 区块标题 ---------- */
.page-contact .pc-sec-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3.2vw, 32px);
}
.page-contact .pc-sec-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  margin-bottom: 10px;
}
.page-contact .pc-sec-head h2,
.page-contact .pc-legal__body h2,
.page-contact .pc-collab h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 3.5vw, 33px);
  line-height: 1.28;
}
.page-contact .pc-sec-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-ink-soft);
}

/* ---------- 信息表 ---------- */
.page-contact .pc-info {
  margin: 0;
  background: var(--c-paper);
  border: var(--hair);
  border-top: 3px solid var(--c-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-contact .pc-info__row {
  display: grid;
  gap: 4px;
  padding: 15px clamp(16px, 3vw, 26px);
  border-bottom: 1px dashed var(--pc-line);
}
.page-contact .pc-info__row:last-child {
  border-bottom: none;
}
.page-contact .pc-info__row dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-slate);
}
.page-contact .pc-info__val {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}
.page-contact .pc-info__val .mono {
  font-family: var(--font-mono);
  font-weight: 600;
  overflow-wrap: anywhere;
}

/* ---------- 四样清单 ---------- */
.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 2.2vw, 20px);
}
.page-contact .pc-step {
  position: relative;
  padding: 18px 20px 20px;
  background: rgba(255, 255, 255, 0.62);
  border: var(--hair);
  border-left: 3px solid var(--c-red);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}
.page-contact .pc-step:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}
.page-contact .pc-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-gold);
}
.page-contact .pc-step h3 {
  margin: 8px 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
}
.page-contact .pc-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

/* ---------- 邮件模板 ---------- */
.page-contact .pc-template-box {
  margin-top: clamp(20px, 3.4vw, 30px);
  background: var(--c-char);
  color: var(--c-jade);
  border-top: 3px solid var(--c-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.page-contact .pc-template-box__bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px clamp(16px, 3vw, 24px);
  border-bottom: 1px solid rgba(201, 154, 61, 0.35);
}
.page-contact .pc-template-box__bar .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-gold);
}
.page-contact .pc-template {
  margin: 0;
  padding: clamp(16px, 3vw, 24px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 2;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  color: var(--c-jade);
  background: transparent;
}
.page-contact .pc-template-box__note {
  margin: 0;
  padding: 0 clamp(16px, 3vw, 24px) clamp(16px, 3vw, 22px);
  font-size: 13px;
  line-height: 1.75;
  color: var(--pc-soft);
}

/* ---------- 合作 ---------- */
.page-contact .pc-collab {
  padding: clamp(24px, 4vw, 44px);
  background: var(--c-red-dark);
  color: var(--c-jade);
  border-left: 4px solid var(--c-gold);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}
.page-contact .pc-collab .pc-sec-num {
  color: var(--c-gold-bright);
}
.page-contact .pc-collab p {
  margin: 0 0 12px;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(247, 243, 234, 0.88);
}
.page-contact .pc-collab p:last-of-type {
  margin-bottom: 0;
}
.page-contact .pc-collab__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
}

/* ---------- 备案 ---------- */
.page-contact .pc-legal__grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: start;
}
.page-contact .pc-legal__body p {
  margin: 0 0 14px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-ink-soft);
}
.page-contact .pc-legal__list {
  margin: 0 0 16px;
  border-top: 1px solid var(--pc-line);
}
.page-contact .pc-legal__item {
  display: grid;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-line);
}
.page-contact .pc-legal__item dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--c-slate);
}
.page-contact .pc-legal__item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-ink);
}
.page-contact .pc-legal__item dd.mono {
  font-family: var(--font-mono);
  font-weight: 600;
}
.page-contact .pc-legal__note {
  font-size: 13.5px !important;
  color: var(--c-slate) !important;
}
.page-contact .pc-legal__fig {
  margin: 0;
  border: var(--hair);
  background: var(--c-ink);
  padding: 8px;
}
.page-contact .pc-legal__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-contact .pc-legal__fig figcaption {
  padding: 10px 4px 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-gold);
}

/* ---------- 相关入口 ---------- */
.page-contact .pc-more {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-contact .pc-more__card {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 18px 46px 18px 20px;
  text-decoration: none;
  color: var(--c-ink);
  background: rgba(255, 255, 255, 0.62);
  border: var(--hair);
  transition: transform 0.22s var(--ease), border-color 0.22s var(--ease), background 0.22s var(--ease);
}
.page-contact .pc-more__card:hover,
.page-contact .pc-more__card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--c-red);
  background: #fff;
  outline: none;
}
.page-contact .pc-more__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 17px;
}
.page-contact .pc-more__desc {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pc-ink-soft);
}
.page-contact .pc-more__arrow {
  position: absolute;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-red);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-info__row {
    grid-template-columns: 130px minmax(0, 1fr);
    align-items: center;
    gap: 16px;
  }
  .page-contact .pc-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-more {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    gap: clamp(32px, 4.5vw, 64px);
  }
  .page-contact .pc-hero__fig {
    margin-top: clamp(10px, 2vw, 24px);
  }
  .page-contact .pc-legal__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.72fr);
    gap: clamp(28px, 4vw, 56px);
  }
  .page-contact .pc-legal__fig {
    margin-top: 24px;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .pc-more {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-step,
  .page-contact .pc-more__card {
    transition: none;
  }
  .page-contact .pc-step:hover,
  .page-contact .pc-more__card:hover {
    transform: none;
  }
}
<<<END>>>