.page-contact {
  --ct-edge: rgba(201, 162, 39, .22);
  --ct-edge-soft: rgba(201, 162, 39, .12);
  --ct-edge-deep: rgba(140, 109, 31, .38);
  --ct-plate-grad: linear-gradient(140deg, #E7CF8E 0%, #8C6D1F 34%, #C9A227 62%, #8C6D1F 100%);
  --ct-ink-soft: #3A3B40;
  background: var(--ink);
  color: var(--cream);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-top: 22px;
  font-size: var(--step-1);
}

.page-contact .ct-hero {
  padding: 30px 0 84px;
}

.page-contact .ct-hero-grid {
  display: grid;
  gap: 44px;
}

/* ---------- 金属铭牌联系卡 ---------- */
.page-contact .ct-plate {
  position: relative;
  padding: 2px;
  border-radius: 3px;
  background: var(--ct-plate-grad);
  box-shadow: 0 34px 64px -38px rgba(0, 0, 0, .95);
}

.page-contact .ct-plate-inner {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 4.4vw, 46px);
  border-radius: 2px;
  background: var(--paper);
  color: var(--ink);
}

.page-contact .ct-plate-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .13;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.page-contact .ct-plate-inner > * {
  position: relative;
  z-index: 1;
}

.page-contact .ct-plate h1 {
  margin: 16px 0 18px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 5.4vw, 44px);
  line-height: 1.12;
  letter-spacing: -.015em;
  color: var(--ink);
}

.page-contact .ct-plate-lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-plate-list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-edge-deep);
}

.page-contact .ct-plate-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 14px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(140, 109, 31, .28);
}

.page-contact .ct-plate-key {
  grid-column: 1;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold-deep);
}

.page-contact .ct-plate-val {
  grid-column: 1;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-plate-list .copy-btn {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: center;
  padding: 7px 11px;
  border: 1px solid var(--gold-deep);
  border-radius: 2px;
  background: transparent;
  color: var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .ct-plate-list .copy-btn:hover {
  background: rgba(201, 162, 39, .16);
}

.page-contact .ct-plate-list .copy-btn.is-copied {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

/* ---------- 渠道列表 ---------- */
.page-contact .ct-channel-title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 4.2vw, 34px);
  line-height: 1.18;
  color: var(--cream);
}

.page-contact .ct-channel-lead {
  margin: 0 0 26px;
  max-width: 50ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-channels {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-channel {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 6px 22px 2px;
  border-bottom: 1px solid var(--ct-edge);
  transition: background-color 180ms var(--ease);
}

.page-contact .ct-channel:hover {
  background: rgba(201, 162, 39, .07);
}

.page-contact .ct-channel-num {
  font-size: 26px;
  line-height: 1;
  color: var(--gold);
}

.page-contact .ct-channel-body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  color: var(--cream);
}

.page-contact .ct-channel-body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .ct-channel-body a,
.page-contact .ct-fields a,
.page-contact .ct-addr-note a {
  color: var(--gold-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, .5);
}

.page-contact .ct-channel-body a:hover,
.page-contact .ct-fields a:hover,
.page-contact .ct-addr-note a:hover {
  border-bottom-color: var(--gold);
  color: var(--gold);
}

/* ---------- 通用章节 ---------- */
.page-contact .ct-section {
  padding: 84px 0;
  border-top: 1px solid var(--ct-edge-soft);
}

.page-contact .ct-section--paper {
  background: var(--cream);
  color: var(--ink);
  border-top-color: var(--ct-edge-deep);
}

.page-contact .ct-section h2 {
  margin: 12px 0 16px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(25px, 4.4vw, 36px);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-contact .ct-section--paper h2 {
  color: var(--ink);
}

.page-contact .ct-section--paper .chapter-kicker {
  color: var(--gold-deep);
}

/* ---------- 服务节奏 ---------- */
.page-contact .ct-sla-grid {
  display: grid;
  gap: 36px;
}

.page-contact .ct-sla-lead {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--steel);
}

.page-contact .ct-metrics {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-contact .ct-metrics > div {
  display: grid;
  gap: 8px;
  padding: 20px 0;
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-metrics > div:first-child {
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-metrics dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .ct-metrics dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(21px, 3.4vw, 27px);
  line-height: 1.3;
  color: var(--cream);
}

.page-contact .ct-metrics dd span {
  display: block;
  margin-top: 6px;
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* ---------- 提交信息 ---------- */
.page-contact .ct-fields-grid {
  display: grid;
  gap: 34px;
}

.page-contact .ct-fields-lead {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ct-ink-soft);
}

.page-contact .ct-fields {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ct-edge-deep);
}

.page-contact .ct-field {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(140, 109, 31, .3);
}

.page-contact .ct-field-num {
  font-size: 22px;
  line-height: 1.1;
  color: var(--gold-deep);
}

.page-contact .ct-field h3 {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
}

.page-contact .ct-field p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ct-ink-soft);
}

.page-contact .ct-field a,
.page-contact .ct-section--paper .ct-field a {
  color: var(--crimson);
  border-bottom: 1px solid rgba(142, 43, 51, .4);
  text-decoration: none;
}

.page-contact .ct-field a:hover {
  border-bottom-color: var(--crimson);
}

.page-contact .ct-sample {
  position: relative;
  padding: 24px 22px 22px;
  background: var(--paper);
  border: 1px solid var(--ct-edge-deep);
  border-left: 3px solid var(--gold);
}

.page-contact .ct-sample-label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold-deep);
}

.page-contact .ct-sample-text {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-sample-copy {
  padding: 8px 14px;
  border: 1px solid var(--gold-deep);
  border-radius: 2px;
  background: transparent;
  color: var(--gold-deep);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .ct-sample-copy:hover {
  background: rgba(201, 162, 39, .16);
}

.page-contact .ct-sample-copy.is-copied {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

.page-contact .ct-sample-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--steel);
}

/* ---------- 地址与备案 ---------- */
.page-contact .ct-addr-grid {
  display: grid;
  gap: 40px;
}

.page-contact .ct-addr-lead {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-addr-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--ct-edge);
}

.page-contact .ct-addr-list > div {
  padding: 15px 0;
  border-bottom: 1px solid var(--ct-edge);
}

.page-contact .ct-addr-list dt {
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .ct-addr-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .ct-addr-note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .ct-map {
  position: relative;
  margin: 0;
  border: 1px solid var(--gold-deep);
  background: var(--charcoal);
  overflow: hidden;
}

.page-contact .ct-map img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  opacity: .92;
}

.page-contact .ct-map figcaption {
  padding: 13px 16px;
  border-top: 1px solid var(--ct-edge);
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

.page-contact .ct-map-pin {
  position: absolute;
  top: 46%;
  left: 38%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  outline: none;
}

.page-contact .ct-map-pin-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(201, 162, 39, .2);
}

.page-contact .ct-map-pin-tip {
  padding: 5px 9px;
  border: 1px solid var(--gold-deep);
  background: rgba(14, 14, 16, .9);
  color: var(--gold-light);
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .ct-map-pin:hover .ct-map-pin-tip,
.page-contact .ct-map-pin:focus .ct-map-pin-tip,
.page-contact .ct-map-pin:focus-visible .ct-map-pin-tip {
  opacity: 1;
  transform: translateY(0);
}

.page-contact .ct-map-pin:focus-visible .ct-map-pin-dot {
  box-shadow: 0 0 0 3px var(--ink), 0 0 0 5px var(--gold);
}

/* ---------- 渠道合作 ---------- */
.page-contact .ct-section--coop {
  background: var(--charcoal);
}

.page-contact .ct-coop-grid {
  display: grid;
  gap: 34px;
}

.page-contact .ct-coop-head p {
  margin: 0 0 14px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}

.page-contact .ct-coop-body {
  padding: 26px 22px;
  border: 1px solid var(--gold-deep);
  background: var(--ink);
}

.page-contact .ct-coop-label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-contact .ct-coop-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  counter-reset: ct-coop;
}

.page-contact .ct-coop-list li {
  position: relative;
  padding: 11px 0 11px 34px;
  border-bottom: 1px solid var(--ct-edge-soft);
  font-size: 15px;
  line-height: 1.75;
  color: var(--cream);
  counter-increment: ct-coop;
}

.page-contact .ct-coop-list li::before {
  content: counter(ct-coop, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 11px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}

.page-contact .ct-coop-note {
  margin: 0 0 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--steel);
}

.page-contact .ct-coop-copy {
  padding: 9px 15px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  background: transparent;
  color: var(--gold-light);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  cursor: pointer;
  opacity: 1;
  visibility: visible;
  transform: none;
  transition: background-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .ct-coop-copy:hover {
  background: rgba(201, 162, 39, .16);
}

.page-contact .ct-coop-copy.is-copied {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink);
}

/* ---------- 焦点可见 ---------- */
.page-contact a:focus-visible,
.page-contact button:focus-visible,
.page-contact .ct-map-pin:focus-visible {
  outline: 2px solid var(--gold-light);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-channel {
    grid-template-columns: 64px minmax(0, 1fr);
    padding-right: 14px;
  }

  .page-contact .ct-field {
    grid-template-columns: 62px minmax(0, 1fr);
  }

  .page-contact .ct-coop-body {
    padding: 30px 28px;
  }
}

@media (min-width: 960px) {
  .page-contact .breadcrumb {
    padding-top: 28px;
  }

  .page-contact .ct-hero {
    padding: 40px 0 104px;
  }

  .page-contact .ct-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .ct-section {
    padding: 104px 0;
  }

  .page-contact .ct-sla-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 64px;
    align-items: start;
  }

  .page-contact .ct-fields-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 5fr) minmax(0, 3fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .ct-addr-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 60px;
    align-items: start;
  }

  .page-contact .ct-coop-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 64px;
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .ct-fields-grid {
    gap: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}