.page-contact {
  --pc-rail-w: clamp(310px, 28vw, 400px);
  --pc-gap: clamp(28px, 3.6vw, 56px);
  --pc-pad: clamp(22px, 2.6vw, 36px);
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background-color: var(--paper);
  color: var(--line);
  font-family: var(--font-body);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 6% 2%, rgba(242, 226, 196, 0.62), transparent 36%),
    radial-gradient(circle at 94% 18%, rgba(223, 226, 218, 0.85), transparent 42%);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  padding: clamp(36px, 5vw, 76px) 0 clamp(24px, 3.2vw, 48px);
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--stone);
  margin-bottom: clamp(22px, 3vw, 40px);
}

.page-contact .breadcrumbs a {
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 59, 46, 0.28);
}

.page-contact .breadcrumbs a:hover {
  color: var(--flame);
  border-bottom-color: var(--flame);
}

.page-contact .crumb-here {
  color: var(--stone);
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: 20px;
}

.page-contact h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(36px, 6.6vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--ink-deep);
  margin: 0;
}

.page-contact .pc-lede {
  font-size: clamp(16px, 1.3vw, 18px);
  line-height: 1.78;
  color: #33423c;
  margin: 0;
  max-width: 62ch;
  position: relative;
  padding-left: 18px;
  border-left: 3px solid var(--lime);
}

.page-contact .pc-hero::after {
  content: "";
  display: block;
  height: 4px;
  margin-top: clamp(26px, 3.4vw, 46px);
  background: linear-gradient(
    90deg,
    var(--lime) 0 25%,
    var(--teal) 25% 50%,
    var(--flame) 50% 75%,
    var(--ink-green) 75% 100%
  );
}

/* ---------- 对折布局 ---------- */

.page-contact .pc-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
  padding-bottom: clamp(30px, 4vw, 60px);
}

/* ---------- 左侧墨绿信息栏 ---------- */

.page-contact .pc-rail {
  position: relative;
  background: var(--ink-green);
  color: var(--paper);
  padding: var(--pc-pad);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-contact .pc-rail::before {
  content: "";
  position: absolute;
  top: 0;
  left: var(--pc-pad);
  width: 56px;
  height: 4px;
  background: var(--lime);
}

.page-contact .pc-rail-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--teal);
  margin: 8px 0 10px;
}

.page-contact .pc-rail-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 2.4vw, 32px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 0 0 20px;
  color: #ffffff;
}

.page-contact .pc-rail-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .pc-rail-item {
  padding-top: 18px;
  border-top: 1px solid rgba(244, 245, 240, 0.18);
}

.page-contact .pc-rail-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .pc-rail-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--teal);
  margin-bottom: 8px;
}

.page-contact .pc-rail-value {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  line-height: 1.4;
  color: #ffffff;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .pc-mail {
  font-size: clamp(14px, 1.25vw, 17px);
}

.page-contact .pc-tel {
  font-size: clamp(20px, 2vw, 25px);
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-contact .pc-addr {
  font-family: var(--font-body);
  font-size: 15.5px;
  font-weight: 500;
  line-height: 1.7;
}

.page-contact .pc-rail-note {
  display: block;
  margin-top: 10px;
  font-size: 13.5px;
  line-height: 1.68;
  color: rgba(244, 245, 240, 0.76);
}

.page-contact .pc-rail .copy-btn {
  display: inline-block;
  margin-top: 12px;
  padding: 6px 14px;
  background: transparent;
  border: 1px solid rgba(244, 245, 240, 0.4);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .pc-rail .copy-btn:hover,
.page-contact .pc-rail .copy-btn:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-deep);
}

.page-contact .pc-rail .copy-btn[data-copied] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-deep);
}

/* ---------- 右侧内容 ---------- */

.page-contact .pc-section {
  padding: clamp(28px, 3.6vw, 48px) 0;
  border-top: 1px solid var(--hui);
}

.page-contact .pc-body > .pc-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .pc-sec-head {
  margin-bottom: 16px;
}

.page-contact .pc-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--teal);
  margin: 0 0 10px;
}

.page-contact .pc-sec-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 3.2vw, 40px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink-green);
  margin: 0;
}

.page-contact .pc-p {
  font-size: 16px;
  line-height: 1.8;
  color: #33423c;
  margin: 0;
  max-width: 66ch;
}

.page-contact .pc-p--note {
  margin-top: 20px;
  padding: 14px 18px;
  background: rgba(223, 226, 218, 0.55);
  border-left: 3px solid var(--teal);
  font-size: 15px;
  color: #2b3a35;
}

.page-contact .pc-p a,
.page-contact .pc-coop-main a,
.page-contact .pc-channel a {
  color: var(--ink-green);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--teal);
}

.page-contact .pc-p a:hover,
.page-contact .pc-coop-main a:hover {
  color: var(--flame);
  text-decoration-color: var(--flame);
}

/* 渠道卡 */

.page-contact .pc-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.page-contact .pc-channel {
  padding: 22px 20px 24px;
  background: linear-gradient(180deg, #ffffff 0%, #fbfcf8 100%);
  border: 1px solid var(--hui);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .pc-channel h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 14px 0 8px;
}

.page-contact .pc-channel p {
  font-size: 15px;
  line-height: 1.78;
  color: #3a4a44;
  margin: 0;
}

.page-contact .pc-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  padding: 4px 11px;
}

.page-contact .pc-chip--mail {
  background: var(--ink-green);
  color: var(--lime);
}

.page-contact .pc-chip--tel {
  background: var(--flame);
  color: #ffffff;
}

.page-contact .pc-chip--visit {
  background: var(--teal);
  color: var(--ink-deep);
}

/* 图片 */

.page-contact .pc-figure {
  margin: 28px 0 0;
}

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  background: var(--hui);
}

.page-contact .pc-figure figcaption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--stone);
  line-height: 1.6;
}

/* 合作方向 */

.page-contact .pc-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 26px;
}

.page-contact .pc-coop-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 22px 20px 24px;
  background: #ffffff;
  border: 1px solid var(--hui);
  border-left: 4px solid var(--stone);
}

.page-contact .pc-coop-item:nth-child(1) {
  border-left-color: var(--lime);
}

.page-contact .pc-coop-item:nth-child(2) {
  border-left-color: var(--teal);
}

.page-contact .pc-coop-item:nth-child(3) {
  border-left-color: var(--flame);
}

.page-contact .pc-coop-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  line-height: 1;
  color: var(--stone);
}

.page-contact .pc-coop-main h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 4px 0 8px;
}

.page-contact .pc-coop-main p {
  font-size: 15.5px;
  line-height: 1.8;
  color: #33423c;
  margin: 0;
}

/* 反馈步骤 */

.page-contact .pc-steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-contact .pc-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hui);
}

.page-contact .pc-step:first-child {
  border-top: 1px solid var(--hui);
}

.page-contact .pc-step-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--teal);
}

.page-contact .pc-step h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.01em;
  color: var(--ink-deep);
  margin: 0 0 6px;
}

.page-contact .pc-step p {
  font-size: 15px;
  line-height: 1.78;
  color: #3a4a44;
  margin: 0;
}

/* 到访 */

.page-contact .pc-visit {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 22px;
}

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

.page-contact .pc-addr-strong {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--ink-deep);
  margin: 0 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hui);
}

.page-contact .pc-details {
  margin-top: 20px;
  background: #ffffff;
  border: 1px solid var(--hui);
  padding: 14px 18px;
}

.page-contact .pc-details summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 15.5px;
  color: var(--ink-green);
  line-height: 1.6;
}

.page-contact .pc-details summary:hover {
  color: var(--flame);
}

.page-contact .pc-details-body {
  padding-top: 12px;
  font-size: 15px;
  line-height: 1.78;
  color: #3a4a44;
}

.page-contact .pc-details-body p {
  margin: 0;
}

.page-contact .pc-details-body p + p {
  margin-top: 10px;
}

/* 速查表 */

.page-contact .pc-table-wrap {
  margin-top: 24px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-contact .pc-table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
}

.page-contact .pc-table caption {
  caption-side: top;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--stone);
  padding-bottom: 12px;
}

.page-contact .pc-table th,
.page-contact .pc-table td {
  text-align: left;
  padding: 14px 16px;
  border-bottom: 1px solid var(--hui);
  vertical-align: top;
  line-height: 1.65;
}

.page-contact .pc-table thead th {
  background: var(--ink-green);
  color: var(--paper);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  border-bottom: 0;
}

.page-contact .pc-table tbody tr:nth-child(odd) {
  background: rgba(223, 226, 218, 0.42);
}

.page-contact .pc-table tbody th {
  font-weight: 600;
  color: var(--line);
  width: 46%;
}

.page-contact .pc-table td {
  color: #3a4a44;
}

.page-contact .pc-table a {
  color: var(--ink-green);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--teal);
}

.page-contact .pc-table a:hover {
  color: var(--flame);
  text-decoration-color: var(--flame);
}

/* 底部返回 */

.page-contact .pc-foot-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: clamp(20px, 2.6vw, 32px) 0 clamp(36px, 4.6vw, 64px);
  border-top: 1px solid var(--hui);
}

.page-contact .backlink {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-green);
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 59, 46, 0.3);
}

.page-contact .backlink:hover,
.page-contact .backlink:focus-visible {
  color: var(--flame);
  border-bottom-color: var(--flame);
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .pc-coop-item {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 20px;
    padding: 26px 24px 28px;
  }

  .page-contact .pc-step {
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: clamp(32px, 4vw, 64px);
  }

  .page-contact .pc-split {
    grid-template-columns: var(--pc-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .pc-rail {
    position: sticky;
    top: calc(var(--header-h-sm) + 24px);
  }

  .page-contact .pc-visit {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: clamp(28px, 3.4vw, 48px);
  }

  .page-contact .pc-table {
    min-width: 0;
  }
}
<<<END>>>