.page-contact {
  --pc-band-pad: clamp(56px, 7vw, 96px);
  --pc-rule-dark: 1px solid var(--mh-line-dark);
  --pc-rule-light: 1px solid var(--mh-line-light);
  --pc-line-sage: 1px solid var(--mh-line-sage);
  --pc-muted-dark: rgba(251, 247, 239, 0.76);
  --pc-muted-light: rgba(27, 27, 24, 0.72);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-block: clamp(28px, 4vw, 48px) clamp(56px, 8vw, 104px);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.page-contact .pc-hero .mh-breadcrumb {
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .pc-hero__eyebrow {
  color: var(--mh-brass-light);
  margin-bottom: 18px;
}

.page-contact .pc-hero__title {
  font-family: var(--mh-font-display);
  font-weight: 300;
  font-size: clamp(40px, 7vw, 78px);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--mh-warm-white);
  margin: 0 0 clamp(20px, 3vw, 28px);
}

.page-contact .pc-hero__intro {
  max-width: 46ch;
  color: var(--pc-muted-dark);
  margin: 0 0 clamp(26px, 4vw, 36px);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: clamp(32px, 5vw, 48px);
}

.page-contact .pc-facts {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border-top: var(--pc-rule-dark);
  margin: 0;
}

.page-contact .pc-facts__item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  border-bottom: var(--pc-rule-dark);
}

.page-contact .pc-facts__item dt {
  font-family: var(--mh-font-index);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mh-sage);
}

.page-contact .pc-facts__item dd {
  margin: 0;
  font-family: var(--mh-font-display);
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--mh-brass-light);
}

/* ---------- 联系卡 ---------- */
.page-contact .pc-card {
  border: 1px solid var(--mh-brass);
  background: linear-gradient(180deg, rgba(23, 61, 50, 0.94), rgba(14, 42, 34, 0.98));
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.page-contact .pc-card__figure {
  position: relative;
  margin: 0;
  border-bottom: var(--pc-rule-dark);
}

.page-contact .pc-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .pc-card__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 7px 12px;
  font-family: var(--mh-font-index);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mh-warm-white);
  background: rgba(14, 42, 34, 0.86);
  border-top: var(--pc-rule-dark);
  border-right: var(--pc-rule-dark);
}

.page-contact .pc-card__body {
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .pc-card__status {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 6px;
  font-family: var(--mh-font-index);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mh-brass-light);
}

.page-contact .pc-dot {
  width: 7px;
  height: 7px;
  background: var(--mh-cinnabar);
  display: inline-block;
  flex: none;
}

.page-contact .pc-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px 12px;
  padding: 14px 0;
  border-top: var(--pc-rule-dark);
}

.page-contact .pc-row__label {
  grid-column: 1 / -1;
  font-family: var(--mh-font-index);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mh-sage);
}

.page-contact .pc-row__value {
  font-size: clamp(15px, 1.9vw, 18px);
  color: var(--mh-warm-white);
  word-break: break-word;
}

.page-contact .pc-card__note {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: var(--pc-rule-dark);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mh-sage);
}

.page-contact .mh-copy {
  flex: none;
}

/* ---------- 通用区块 ---------- */
.page-contact .pc-band {
  padding-block: var(--pc-band-pad);
}

.page-contact .pc-head {
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .pc-head__title {
  font-family: var(--mh-font-display);
  font-weight: 300;
  margin: 12px 0 0;
}

.page-contact .pc-head__intro {
  max-width: 62ch;
  margin: 16px 0 0;
  line-height: 1.85;
  color: var(--pc-muted-light);
}

.page-contact .pc-head--light .pc-head__intro {
  color: var(--pc-muted-dark);
}

.page-contact .pc-head--light .mh-index-tag {
  color: var(--mh-brass-light);
}

/* ---------- 合作方向选项卡 ---------- */
.page-contact .pc-tabs {
  position: relative;
  border-top: var(--pc-rule-light);
}

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

.page-contact .pc-tabs__bar {
  display: flex;
  flex-wrap: wrap;
  border-left: var(--pc-rule-light);
}

.page-contact .pc-tabs__bar label {
  flex: 1 1 50%;
  box-sizing: border-box;
  padding: 15px 16px;
  border-right: var(--pc-rule-light);
  border-bottom: var(--pc-rule-light);
  font-family: var(--mh-font-body);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--mh-ink);
  cursor: pointer;
  transition: background 0.25s var(--mh-ease), color 0.25s var(--mh-ease);
}

.page-contact .pc-tabs__bar label:hover {
  background: rgba(46, 107, 88, 0.1);
}

.page-contact #pc-tab-1:checked ~ .pc-tabs__bar label[for="pc-tab-1"],
.page-contact #pc-tab-2:checked ~ .pc-tabs__bar label[for="pc-tab-2"],
.page-contact #pc-tab-3:checked ~ .pc-tabs__bar label[for="pc-tab-3"],
.page-contact #pc-tab-4:checked ~ .pc-tabs__bar label[for="pc-tab-4"] {
  background: var(--mh-ink-green);
  color: var(--mh-warm-white);
  border-bottom-color: var(--mh-ink-green);
}

.page-contact .pc-tabs__panel {
  display: none;
  padding-top: clamp(24px, 4vw, 38px);
}

.page-contact #pc-tab-1:checked ~ #pc-panel-1,
.page-contact #pc-tab-2:checked ~ #pc-panel-2,
.page-contact #pc-tab-3:checked ~ #pc-panel-3,
.page-contact #pc-tab-4:checked ~ #pc-panel-4 {
  display: block;
}

.page-contact .pc-tabs__panel .mh-h3 {
  font-family: var(--mh-font-display);
  font-weight: 600;
  font-size: clamp(21px, 2.6vw, 28px);
  margin: 0 0 14px;
  color: var(--mh-ink-green);
}

.page-contact .pc-panel__text {
  max-width: 68ch;
  margin: 0;
  line-height: 1.9;
  color: var(--pc-muted-light);
}

.page-contact .pc-panel__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 72ch;
}

.page-contact .pc-panel__list li {
  position: relative;
  padding-left: 26px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mh-ink);
}

.page-contact .pc-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 14px;
  height: 1px;
  background: var(--mh-brass);
}

/* ---------- 四步流程 ---------- */
.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pc-rule-dark);
}

.page-contact .pc-flow__step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 18px;
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: var(--pc-rule-dark);
}

.page-contact .pc-flow__num {
  grid-row: 1 / 3;
  font-family: var(--mh-font-index);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--mh-brass);
  padding-top: 6px;
}

.page-contact .pc-flow__title {
  margin: 0;
  font-family: var(--mh-font-display);
  font-weight: 600;
  font-size: clamp(19px, 2.2vw, 25px);
  color: var(--mh-warm-white);
}

.page-contact .pc-flow__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-muted-dark);
  max-width: 66ch;
}

.page-contact .pc-note {
  margin-top: clamp(28px, 4vw, 44px);
  border: var(--pc-rule-dark);
  padding: 18px 20px;
  background: rgba(14, 42, 34, 0.45);
}

.page-contact .pc-note summary {
  cursor: pointer;
  font-family: var(--mh-font-body);
  font-size: 15px;
  letter-spacing: 0.03em;
  color: var(--mh-brass-light);
  list-style: none;
}

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

.page-contact .pc-note summary::after {
  content: "＋";
  margin-left: 10px;
  font-family: var(--mh-font-index);
}

.page-contact .pc-note[open] summary::after {
  content: "－";
}

.page-contact .pc-note__list {
  margin: 16px 0 0;
  padding-left: 20px;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-muted-dark);
}

/* ---------- 服务响应 ---------- */
.page-contact .pc-metrics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: var(--pc-rule-light);
}

.page-contact .pc-metric {
  padding: 22px 0;
  border-bottom: var(--pc-rule-light);
}

.page-contact .pc-metric__figure {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .pc-metric__num {
  font-family: var(--mh-font-display);
  font-weight: 300;
  font-size: clamp(34px, 4.4vw, 50px);
  line-height: 1;
  color: var(--mh-ink-green);
}

.page-contact .pc-metric__unit {
  font-family: var(--mh-font-index);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mh-moss);
}

.page-contact .pc-metric__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-muted-light);
}

.page-contact .pc-clock {
  margin-top: clamp(32px, 5vw, 52px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: var(--pc-rule-light);
}

.page-contact .pc-clock__label {
  margin: 0 0 16px;
  font-family: var(--mh-font-index);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mh-moss);
}

.page-contact .pc-clock__track {
  height: 3px;
  background: linear-gradient(
    90deg,
    rgba(27, 27, 24, 0.14) 0%,
    rgba(27, 27, 24, 0.14) 37.5%,
    var(--mh-brass) 37.5%,
    var(--mh-brass) 75%,
    rgba(27, 27, 24, 0.14) 75%,
    rgba(27, 27, 24, 0.14) 100%
  );
}

.page-contact .pc-clock__marks {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  font-family: var(--mh-font-index);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--pc-muted-light);
}

.page-contact .pc-clock__note {
  margin: 18px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pc-muted-light);
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-contact .pc-channels__list {
  border-top: var(--pc-rule-dark);
}

.page-contact .pc-channel {
  padding: clamp(18px, 2.6vw, 26px) 0;
  border-bottom: var(--pc-rule-dark);
}

.page-contact .pc-channel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.page-contact .pc-channel__label {
  font-family: var(--mh-font-index);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mh-brass-light);
}

.page-contact .pc-channel__value {
  margin: 0;
  font-family: var(--mh-font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 300;
  color: var(--mh-warm-white);
  word-break: break-word;
}

.page-contact .pc-channel__desc {
  margin: 10px 0 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--pc-muted-dark);
}

.page-contact .pc-channel-figure {
  margin: 0;
}

.page-contact .pc-channel-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--mh-brass);
}

.page-contact .pc-channel-figure figcaption {
  margin-top: 12px;
  font-family: var(--mh-font-index);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mh-sage);
}

/* ---------- 回访支持 ---------- */
.page-contact .pc-return {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

.page-contact .pc-return__title {
  font-family: var(--mh-font-display);
  font-weight: 300;
  margin: 12px 0 0;
}

.page-contact .pc-return__intro {
  margin: 16px 0 0;
  max-width: 60ch;
  line-height: 1.9;
  color: var(--pc-muted-light);
}

.page-contact .pc-steps {
  list-style: none;
  counter-reset: pc-step;
  margin: clamp(24px, 4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: var(--pc-rule-light);
}

.page-contact .pc-steps li {
  counter-increment: pc-step;
  position: relative;
  padding: 14px 0 14px 42px;
  border-bottom: var(--pc-rule-light);
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-muted-light);
}

.page-contact .pc-steps li::before {
  content: "0" counter(pc-step);
  position: absolute;
  left: 0;
  top: 15px;
  font-family: var(--mh-font-index);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mh-brass);
}

.page-contact .pc-steps li span {
  display: block;
  font-size: 16px;
  color: var(--mh-ink);
  margin-bottom: 2px;
}

.page-contact .pc-return__tail {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-muted-light);
}

.page-contact .pc-return__aside {
  border: 1px solid var(--mh-brass);
  padding: clamp(20px, 3vw, 28px);
  background: rgba(242, 235, 221, 0.55);
}

.page-contact .pc-return__aside-title {
  margin: 0 0 16px;
  font-family: var(--mh-font-index);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mh-moss);
}

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

.page-contact .pc-return__links .mh-btn {
  width: 100%;
  box-sizing: border-box;
  justify-content: center;
  text-align: center;
}

.page-contact .pc-return__hint {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: var(--pc-rule-light);
  font-size: 13px;
  line-height: 1.8;
  color: var(--pc-muted-light);
}

.page-contact .pc-cta {
  margin-top: clamp(36px, 5vw, 56px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: var(--pc-rule-light);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
}

.page-contact .pc-cta__text {
  margin: 0;
  flex: 1 1 240px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-muted-light);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-tabs__bar label {
    flex: 1 1 25%;
  }
}

@media (min-width: 720px) {
  .page-contact .pc-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-metric {
    padding: 26px 24px 26px 0;
  }

  .page-contact .pc-metric:nth-child(2n) {
    padding-left: 24px;
    border-left: var(--pc-rule-light);
  }

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

@media (min-width: 820px) {
  .page-contact .pc-flow__step {
    grid-template-columns: 76px minmax(0, 0.9fr) minmax(0, 1.35fr);
    align-items: baseline;
  }

  .page-contact .pc-flow__num {
    grid-row: auto;
    padding-top: 0;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-contact .pc-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: var(--pc-rule-dark);
  }

  .page-contact .pc-facts__item {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 18px 20px 18px 0;
    border-bottom: 0;
  }

  .page-contact .pc-facts__item + .pc-facts__item {
    padding-left: 20px;
    border-left: var(--pc-rule-dark);
  }

  .page-contact .pc-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-bottom: var(--pc-rule-light);
  }

  .page-contact .pc-metric,
  .page-contact .pc-metric:nth-child(2n) {
    padding: 26px 22px;
    border-bottom: 0;
  }

  .page-contact .pc-metric:first-child {
    padding-left: 0;
    border-left: 0;
  }

  .page-contact .pc-metric + .pc-metric {
    border-left: var(--pc-rule-light);
  }

  .page-contact .pc-channels {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }

  .page-contact .pc-return {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }
}
<<<END>>>