.page-contact {
  --pc-shadow: 0 1px 0 rgba(16, 38, 58, .05), 0 16px 32px -26px rgba(16, 38, 58, .55);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(32px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(115% 95% at 100% 0%, rgba(224, 180, 92, .20) 0%, rgba(224, 180, 92, 0) 58%),
    linear-gradient(180deg, var(--mist) 0%, rgba(231, 243, 239, 0) 76%),
    var(--paper);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image: repeating-linear-gradient(90deg, rgba(14, 123, 106, .12) 0 1px, transparent 1px 25%);
}

.page-contact .pc-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-contact .pc-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--grass);
}

.page-contact .pc-hero-title {
  margin: 12px 0 0;
  max-width: 22ch;
  font-size: clamp(29px, 5.6vw, 58px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .pc-hero-lead {
  margin: clamp(16px, 2vw, 22px) 0 0;
  max-width: 40ch;
  color: var(--ink-soft);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
}

.page-contact .pc-quick {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-quick li {
  display: grid;
  gap: 2px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-quick-key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--ink-soft);
}

.page-contact .pc-quick-val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--forest);
  overflow-wrap: anywhere;
}

/* ---------- 区块通用 ---------- */
.page-contact .pc-pad {
  padding-block: clamp(38px, 5.5vw, 78px);
}

.page-contact .pc-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2vw, 22px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-head .section-index {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(19px, 3vw, 30px);
  font-weight: 700;
  line-height: 1;
  color: var(--grass);
}

.page-contact .pc-head .section-title {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 34px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .pc-head .section-sub {
  margin: 8px 0 0;
  max-width: 44ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 01 合作方向 ---------- */
.page-contact .pc-dir-grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .pc-dir-list {
  display: grid;
  gap: 16px;
}

.page-contact .pc-dir {
  position: relative;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--grass);
  background: var(--paper);
  box-shadow: var(--pc-shadow);
}

.page-contact .pc-dir-tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  background: var(--mist);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--forest);
}

.page-contact .pc-dir .card-title {
  margin: 12px 0 0;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 800;
  line-height: 1.4;
  color: var(--ink);
}

.page-contact .pc-dir .card-text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-contact .pc-cond {
  margin: 14px 0 14px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .pc-cond li {
  position: relative;
  padding-left: 19px;
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--ink);
}

.page-contact .pc-cond li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 9px;
  height: 9px;
  border: 1px solid var(--sand);
  background: rgba(224, 180, 92, .38);
}

.page-contact .pc-more {
  display: inline-block;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--grass);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-contact .pc-more::after {
  content: " →";
  font-family: var(--font-mono);
}

.page-contact .pc-more:hover,
.page-contact .pc-more:focus-visible {
  color: var(--forest);
  border-bottom-color: var(--forest);
}

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

.page-contact .pc-dir-figure .photo-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--mist) 0 25%, var(--sand-pale) 25% 50%, var(--mist) 50% 75%, var(--sand-pale) 75%);
  background-size: 28px 28px;
}

.page-contact .pc-dir-figure img,
.page-contact .pc-visit-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-dir-figure img {
  aspect-ratio: 4 / 3;
}

.page-contact .photo-caption {
  margin: 9px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

/* ---------- 02 入驻流程 ---------- */
.page-contact .pc-flow-wrap {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
  margin-top: clamp(20px, 3vw, 32px);
}

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

.page-contact .pc-step {
  position: relative;
  padding: 0 0 26px 56px;
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 44px;
  bottom: 4px;
  width: 1px;
  background: var(--line-strong);
}

.page-contact .pc-step:last-child {
  padding-bottom: 0;
}

.page-contact .pc-step:last-child::before {
  content: none;
}

.page-contact .pc-step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--grass);
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--grass);
}

.page-contact .pc-step--now .pc-step-num {
  border-color: var(--sand);
  background: var(--sand);
  color: var(--ink);
}

.page-contact .pc-step-title {
  margin: 4px 0 6px;
  font-size: clamp(18px, 2.2vw, 22px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--ink);
}

.page-contact .pc-step-text {
  margin: 0;
  max-width: 36em;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-contact .pc-step-details {
  margin-top: 12px;
  border-top: 1px solid var(--line);
}

.page-contact .pc-step-details summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--forest);
}

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

.page-contact .pc-step-details summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--grass);
}

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

.page-contact .pc-materials {
  margin: 8px 0 6px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .pc-materials li {
  position: relative;
  padding-left: 20px;
  font-size: 13.8px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .pc-materials li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 9px;
  height: 9px;
  border: 1px solid var(--grass);
  background: rgba(14, 123, 106, .14);
}

.page-contact .pc-flow-side {
  align-self: start;
  padding: 22px 20px 24px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--sand);
  background: var(--paper);
  box-shadow: var(--pc-shadow);
}

.page-contact .pc-side-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(38px, 7vw, 54px);
  font-weight: 700;
  line-height: 1;
  color: var(--forest);
  letter-spacing: -.02em;
}

.page-contact .pc-side-unit {
  margin-left: 6px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0;
  color: var(--ink-soft);
}

.page-contact .pc-side-label {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .pc-side-text {
  margin: 14px 0 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 03 联系渠道 ---------- */
.page-contact .pc-channel-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .pc-channel {
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: var(--pc-shadow);
}

.page-contact .pc-channel--mail {
  border-top: 3px solid var(--grass);
}

.page-contact .pc-channel--phone {
  border-top: 3px solid var(--clay);
}

.page-contact .pc-channel--addr {
  border-top: 3px solid var(--sand);
}

.page-contact .pc-channel-key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .16em;
  color: var(--ink-soft);
}

.page-contact .pc-channel-value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 20px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel-value--addr {
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.7;
}

.page-contact .pc-channel-desc {
  margin: 12px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* ---------- 04 邮件优先 ---------- */
.page-contact .pc-route {
  padding-block: clamp(34px, 5vw, 66px);
  background: var(--forest);
  color: var(--paper);
}

.page-contact .pc-head--dark {
  border-bottom-color: rgba(252, 253, 251, .22);
}

.page-contact .pc-head--dark .section-index {
  color: var(--sand);
}

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

.page-contact .pc-head--dark .section-sub {
  color: rgba(252, 253, 251, .78);
}

.page-contact .pc-route-steps {
  margin: clamp(22px, 3vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
  counter-reset: none;
}

.page-contact .pc-route-steps li {
  padding-top: 14px;
  border-top: 1px solid rgba(252, 253, 251, .22);
}

.page-contact .pc-route-num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--sand);
}

.page-contact .pc-route-title {
  margin: 8px 0 6px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .pc-route-steps p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(252, 253, 251, .76);
}

.page-contact .pc-route-note {
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(252, 253, 251, .78);
}

.page-contact .pc-route-note a {
  color: var(--sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(224, 180, 92, .5);
}

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

/* ---------- 05 到访准备 ---------- */
.page-contact .pc-visit-grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .pc-visit-sub {
  margin: 0 0 10px;
  padding-left: 12px;
  border-left: 3px solid var(--sand);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .pc-materials--check {
  margin-bottom: 22px;
}

.page-contact .pc-materials--check li::before {
  border-color: var(--sand);
  background: rgba(224, 180, 92, .3);
}

.page-contact .pc-visit-note {
  margin: 4px 0 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  background: var(--sand-pale);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--ink);
}

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

.page-contact .pc-visit-figure .photo-frame {
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, var(--mist) 0 25%, var(--sand-pale) 25% 50%, var(--mist) 50% 75%, var(--sand-pale) 75%);
  background-size: 28px 28px;
}

.page-contact .pc-visit-figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- 页尾联系带 ---------- */
.page-contact .pc-tail {
  border-top: 1px solid var(--line-strong);
  padding-block: clamp(22px, 3vw, 36px);
  background: var(--mist);
}

.page-contact .pc-tail-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 28px;
}

.page-contact .pc-tail-text {
  margin: 0;
  max-width: 46ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ink);
}

.page-contact .pc-tail-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.8vw, 16px);
  font-weight: 700;
  color: var(--forest);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .pc-materials,
  .page-contact .pc-materials--check {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 20px;
  }

  .page-contact .pc-route-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, .65fr);
    align-items: end;
  }

  .page-contact .pc-dir-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: start;
  }

  .page-contact .pc-dir-list .pc-dir:nth-child(2) {
    margin-left: 18px;
  }

  .page-contact .pc-dir-list .pc-dir:nth-child(3) {
    margin-left: 36px;
  }

  .page-contact .pc-dir-figure {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-contact .pc-flow-wrap {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .58fr);
  }

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

  .page-contact .pc-channel--addr {
    transform: translateY(16px);
  }

  .page-contact .pc-visit-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: start;
  }
}

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

  .page-contact .pc-route-steps li + li {
    padding-left: 20px;
    border-left: 1px solid rgba(252, 253, 251, .18);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel--addr {
    transform: none;
  }
}
<<<END>>>