.page-contact {
  --contact-card-radius: 22px;
  --contact-hair: rgba(53, 224, 200, 0.2);
  --contact-hair-dark: rgba(27, 36, 31, 0.12);
  --contact-muted: #5C6B64;
  --contact-muted-dark: #93A29B;
  --contact-link-dark: #0F6E60;
  background: var(--ink-900);
  color: var(--slate-200);
  overflow-x: hidden;
}

.page-contact .visually-quiet {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-contact .annotation {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 12px;
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding: 104px 0 34px;
  background:
    radial-gradient(circle at 12% -10%, rgba(53, 224, 200, 0.13), transparent 58%),
    radial-gradient(circle at 88% 6%, rgba(255, 154, 60, 0.07), transparent 52%),
    var(--ink-900);
}

.page-contact .contact-hero .breadcrumb {
  margin-bottom: 26px;
  font-size: 13px;
  color: var(--contact-muted-dark);
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--slate-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .contact-hero .breadcrumb a:hover {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-contact .contact-hero .breadcrumb span[aria-hidden="true"] {
  margin: 0 8px;
  color: rgba(201, 211, 207, 0.45);
}

.page-contact .contact-eyebrow {
  margin-bottom: 14px;
}

.page-contact .contact-hero .display-xl {
  max-width: 15em;
  margin: 0 0 20px;
  color: var(--paper-050);
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero .lead {
  max-width: 44em;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--slate-200);
}

/* ---------- 三张联系卡片 ---------- */

.page-contact .contact-channels {
  padding: 0 0 62px;
  background: var(--ink-900);
}

.page-contact .contact-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px;
  background: var(--paper-050);
  border: 1px solid var(--paper-100);
  border-radius: var(--contact-card-radius);
  color: var(--ink-800);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-600);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.4);
}

.page-contact .contact-card-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--contact-link-dark);
}

.page-contact .contact-card-value {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.62;
  color: var(--ink-900);
  word-break: break-word;
}

.page-contact .contact-card-value.mono {
  font-family: var(--font-mono);
  font-size: 15.5px;
  letter-spacing: -0.01em;
}

.page-contact .contact-card-scene {
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--contact-muted);
}

.page-contact .contact-copy {
  align-self: flex-start;
  appearance: none;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid rgba(18, 163, 143, 0.45);
  background: transparent;
  color: var(--contact-link-dark);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .contact-copy:hover {
  background: rgba(53, 224, 200, 0.16);
  border-color: var(--cyan-600);
}

.page-contact .contact-copy:focus-visible {
  outline: 2px solid var(--cyan-600);
  outline-offset: 2px;
}

.page-contact .contact-copy[data-copied="true"] {
  background: var(--cyan-400);
  border-color: var(--cyan-400);
  color: var(--ink-900);
}

/* ---------- 事务分派 ---------- */

.page-contact .contact-routing {
  padding: 58px 0 64px;
  background: var(--paper-050);
  color: var(--ink-800);
}

.page-contact .contact-routing .annotation {
  color: var(--contact-link-dark);
}

.page-contact .contact-routing .display-m {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-contact .routing-intro {
  max-width: 46em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--contact-muted);
}

.page-contact .routing-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: 28px;
}

.page-contact .routing-table-wrap {
  min-width: 0;
}

.page-contact .routing-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  line-height: 1.72;
}

.page-contact .routing-table th {
  padding: 0 14px 10px 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--contact-muted);
  border-bottom: 1px solid var(--contact-hair-dark);
}

.page-contact .routing-table td {
  padding: 16px 14px 16px 0;
  vertical-align: top;
  border-bottom: 1px solid var(--contact-hair-dark);
  color: var(--ink-800);
}

.page-contact .routing-table tr:last-child td {
  border-bottom: none;
}

.page-contact .routing-table td:first-child {
  width: 34%;
}

.page-contact .routing-table a {
  color: var(--contact-link-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .routing-type {
  display: block;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .routing-channel {
  display: inline-block;
  margin-top: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  background: rgba(53, 224, 200, 0.18);
  border: 1px solid rgba(18, 163, 143, 0.3);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: #0C5C50;
}

.page-contact .routing-aside {
  padding: 24px 22px;
  border-radius: var(--r-md);
  background: var(--ink-700);
  border: 1px solid var(--contact-hair);
  color: var(--slate-200);
}

.page-contact .aside-title {
  margin: 0 0 8px;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--paper-050);
}

.page-contact .aside-row {
  display: flex;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .aside-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .aside-key {
  flex: 0 0 auto;
  min-width: 42px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
  padding-top: 2px;
}

.page-contact .aside-val {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
}

/* ---------- 来信与到访 ---------- */

.page-contact .contact-postal {
  padding: 58px 0 64px;
  background: var(--ink-900);
}

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

.page-contact .postal-text .display-m {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-contact .postal-text > p {
  max-width: 42em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate-200);
}

.page-contact .postal-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .postal-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--slate-200);
}

.page-contact .postal-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
}

.page-contact .postal-address {
  margin-top: 24px;
  padding: 20px 22px;
  border-radius: var(--r-md);
  background: var(--ink-700);
  border: 1px solid var(--contact-hair);
}

.page-contact .postal-address-key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber-300);
}

.page-contact .postal-address-val {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.66;
  color: var(--paper-050);
}

.page-contact .postal-address-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--contact-muted-dark);
}

.page-contact .postal-figure {
  margin: 0;
}

.page-contact .postal-figure .media-frame {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--contact-hair);
  background: var(--ink-700);
}

.page-contact .postal-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--contact-muted-dark);
}

/* ---------- 合作与共建 ---------- */

.page-contact .contact-partner {
  padding: 58px 0 64px;
  background: var(--paper-050);
  color: var(--ink-800);
}

.page-contact .contact-partner .annotation {
  color: var(--contact-link-dark);
}

.page-contact .partner-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}

.page-contact .partner-body .display-m {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-contact .partner-intro {
  max-width: 44em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--contact-muted);
}

.page-contact .partner-steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
}

.page-contact .partner-step {
  position: relative;
  padding: 0 0 26px 48px;
}

.page-contact .partner-step::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 32px;
  bottom: 0;
  width: 2px;
  background: rgba(27, 36, 31, 0.14);
}

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

.page-contact .partner-step:last-child::before {
  display: none;
}

.page-contact .partner-step-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--amber-500);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
}

.page-contact .partner-step-title {
  margin: 3px 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-contact .partner-step p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--contact-muted);
}

.page-contact .partner-step a {
  color: var(--contact-link-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .partner-figure {
  margin: 0;
}

.page-contact .partner-figure .media-frame {
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(27, 36, 31, 0.1);
  background: var(--paper-100);
}

.page-contact .partner-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .partner-figure .media-caption {
  color: var(--contact-muted);
}

/* ---------- 自查清单 ---------- */

.page-contact .contact-checklist {
  padding: 58px 0 60px;
  background: var(--ink-900);
}

.page-contact .contact-checklist .display-m {
  margin: 0 0 14px;
  font-size: clamp(24px, 4.2vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-contact .checklist-intro {
  max-width: 44em;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--slate-200);
}

.page-contact .check-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .check-item {
  padding: 22px 20px;
  border-radius: var(--r-md);
  background: var(--ink-700);
  border: 1px solid var(--contact-hair);
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .check-item:hover {
  transform: translateY(-2px);
  border-color: var(--cyan-600);
}

.page-contact .check-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--amber-300);
}

.page-contact .check-title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper-050);
}

.page-contact .check-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--slate-200);
}

.page-contact .check-item a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .checklist-foot {
  margin: 26px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--contact-hair);
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--contact-muted-dark);
}

.page-contact .checklist-foot a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 底部版本刻度带 ---------- */

.page-contact .contact-scale {
  position: relative;
  height: 58px;
  background: var(--ink-900);
  border-top: 1px solid var(--contact-hair);
  overflow: hidden;
}

.page-contact .contact-scale::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 16px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(53, 224, 200, 0.34) 0 1px,
    transparent 1px 32px
  );
}

.page-contact .contact-scale::after {
  content: "";
  position: absolute;
  left: 22%;
  bottom: 0;
  width: 3px;
  height: 26px;
  border-radius: 2px 2px 0 0;
  background: var(--amber-500);
}

/* ---------- 响应式 ---------- */

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

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

  .page-contact .contact-hero {
    padding: 118px 0 44px;
  }
}

@media (min-width: 900px) {
  .page-contact .routing-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 34px;
  }

  .page-contact .postal-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .partner-layout {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .contact-routing,
  .page-contact .contact-postal,
  .page-contact .contact-partner,
  .page-contact .contact-checklist {
    padding-top: 72px;
    padding-bottom: 76px;
  }
}

@media (max-width: 479px) {
  .page-contact .routing-table {
    font-size: 13.5px;
  }

  .page-contact .routing-table td:first-child {
    width: 40%;
  }

  .page-contact .contact-card-value {
    font-size: 15.5px;
  }

  .page-contact .contact-card-value.mono {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .check-item,
  .page-contact .contact-copy {
    transition: none;
  }

  .page-contact .contact-card:hover,
  .page-contact .check-item:hover {
    transform: none;
  }
}