.page-contact {
  --contact-gap: var(--spacing-lg);
  --contact-radius: 2px;
  --contact-map-overlay: rgba(26, 26, 46, 0.75);
  --contact-status-on: #00E676;
  --contact-status-off: #9CA3AF;
  --contact-divider: var(--color-border);
  --contact-card-bg: rgba(46, 46, 74, 0.35);
  display: block;
  width: 100%;
  max-width: 100%;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  padding: 0;
  margin: 0;
}

/* ===== 左右分屏容器 ===== */
.contact-split {
  display: flex;
  flex-direction: column;
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: var(--spacing-lg) var(--spacing-md) var(--spacing-xl);
  gap: var(--spacing-xl);
}

/* ===== 左屏 ===== */
.contact-left {
  flex: 1 1 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.contact-header-block {
  border-left: 3px solid var(--color-brand);
  padding-left: var(--spacing-md);
}

.contact-header-block .section-label {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-blue);
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.contact-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin: 0 0 var(--spacing-xs);
  line-height: 1.15;
  transform: skewX(-2deg);
  transform-origin: left center;
}

.contact-subtitle {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin: 0;
  max-width: 32em;
  line-height: 1.5;
}

/* ===== 联系列表 ===== */
.contact-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  border-top: 1px solid var(--contact-divider);
  padding-top: var(--spacing-lg);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--contact-divider);
  transition: background var(--transition);
  border-radius: var(--contact-radius);
}

.contact-item:last-child {
  border-bottom: none;
}

.contact-item:hover {
  background: rgba(0, 180, 216, 0.04);
}

.contact-item-number {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-blue);
  letter-spacing: 0.05em;
  flex-shrink: 0;
  width: 2.2rem;
  line-height: 1.6;
}

.contact-item-body {
  flex: 1;
  min-width: 0;
}

.contact-item-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
  margin-bottom: var(--spacing-xs);
}

.contact-item-value {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-white);
  text-decoration: none;
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
  cursor: pointer;
  word-break: break-all;
}

.contact-item-value:hover,
.contact-item-value:focus-visible {
  border-bottom-color: var(--color-blue);
  color: var(--color-blue);
}

.contact-item-value.address-line {
  cursor: default;
  border-bottom-color: transparent;
}

.contact-item-note {
  font-size: 0.8rem;
  color: var(--color-muted);
  margin: var(--spacing-xs) 0 0;
  line-height: 1.4;
}

/* ===== 操作按钮 ===== */
.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.contact-actions .btn-primary,
.contact-actions .btn-secondary {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-radius: var(--contact-radius);
  transition: all var(--transition);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.contact-actions .btn-primary {
  background: var(--color-brand);
  color: var(--color-white);
  border-color: var(--color-brand);
}

.contact-actions .btn-primary:hover,
.contact-actions .btn-primary:focus-visible {
  background: var(--color-hover);
  border-color: var(--color-hover);
}

.contact-actions .btn-secondary {
  background: transparent;
  color: var(--color-blue);
  border-color: var(--color-blue);
}

.contact-actions .btn-secondary:hover,
.contact-actions .btn-secondary:focus-visible {
  background: rgba(0, 180, 216, 0.1);
}

/* ===== 右屏 ===== */
.contact-right {
  flex: 1 1 100%;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

/* ===== 在线状态卡片 ===== */
.status-card {
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-divider);
  border-radius: var(--contact-radius);
  padding: var(--spacing-lg) var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  position: relative;
  overflow: hidden;
}

.status-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--color-blue);
  opacity: 0.6;
}

.status-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.status-indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  position: relative;
  flex-shrink: 0;
}

.status-dot-core {
  display: block;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--contact-status-on);
  box-shadow: 0 0 8px rgba(0, 230, 118, 0.5);
  position: relative;
  z-index: 2;
  transition: background var(--transition);
}

.status-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 30px;
  height: 30px;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: rgba(0, 230, 118, 0.2);
  animation: statusPulse 2s ease-in-out infinite;
  z-index: 1;
}

@keyframes statusPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.6; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.2; }
}

.status-label {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
  letter-spacing: -0.01em;
}

.status-desc {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.4;
}

.status-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  padding-top: var(--spacing-xs);
  border-top: 1px solid var(--contact-divider);
  margin-top: var(--spacing-xs);
}

.status-meta-item {
  font-size: 0.75rem;
  color: var(--color-muted);
  letter-spacing: 0.02em;
}

.status-meta-item strong {
  color: var(--color-silver);
  font-weight: 500;
}

/* ===== 地图卡片 ===== */
.map-card {
  background: var(--contact-card-bg);
  border: 1px solid var(--contact-divider);
  border-radius: var(--contact-radius);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.map-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid var(--contact-divider);
}

.map-card-label {
  font-family: var(--font-heading);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-muted);
}

.map-card-sub {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--color-blue);
  letter-spacing: 0.05em;
}

.map-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--contact-radius);
  background: #0F0F23;
}

.map-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.75;
  transition: opacity var(--transition);
}

.map-visual:hover .map-img {
  opacity: 0.9;
}

.map-overlay {
  position: absolute;
  bottom: 12%;
  right: 22%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  pointer-events: none;
}

.map-pin {
  filter: drop-shadow(0 2px 6px rgba(230, 57, 70, 0.6));
  animation: pinBounce 3s ease-in-out infinite;
}

@keyframes pinBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

.map-label-text {
  font-family: var(--font-heading);
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--color-white);
  background: rgba(230, 57, 70, 0.85);
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.map-note {
  font-size: 0.7rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.4;
  text-align: right;
}

/* ===== 信任徽章 ===== */
.trust-badge {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: rgba(123, 44, 191, 0.08);
  border: 1px solid rgba(123, 44, 191, 0.2);
  border-radius: var(--contact-radius);
}

.trust-badge-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-purple);
  color: var(--color-white);
  font-size: 0.7rem;
  font-weight: 700;
  border-radius: 50%;
}

.trust-badge-text {
  font-size: 0.75rem;
  color: var(--color-muted);
  line-height: 1.4;
}

/* ===== 底部脚注 ===== */
.contact-footnote {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 0 var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--contact-divider);
  padding-top: var(--spacing-md);
}

.footnote-text {
  font-size: 0.7rem;
  color: var(--color-muted);
  margin: 0;
  line-height: 1.5;
}

.footnote-text a {
  color: var(--color-blue);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}

.footnote-text a:hover,
.footnote-text a:focus-visible {
  border-bottom-color: var(--color-blue);
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .contact-split {
    flex-direction: row;
    padding: var(--spacing-xl) var(--spacing-lg);
    gap: var(--spacing-xl);
  }

  .contact-left {
    flex: 1 1 55%;
  }

  .contact-right {
    flex: 1 1 45%;
  }

  .contact-title {
    font-size: 3.2rem;
  }

  .contact-item-value {
    font-size: 1.15rem;
  }

  .status-card {
    padding: var(--spacing-lg);
  }

  .map-card {
    padding: var(--spacing-lg);
  }
}

/* ===== 大桌面端 ≥1024px ===== */
@media (min-width: 1024px) {
  .contact-split {
    padding: var(--spacing-xl) var(--spacing-lg);
    gap: calc(var(--spacing-xl) * 1.5);
  }

  .contact-left {
    flex: 1 1 50%;
  }

  .contact-right {
    flex: 1 1 50%;
  }

  .contact-title {
    font-size: 4rem;
  }

  .contact-list {
    gap: var(--spacing-md);
    padding-top: var(--spacing-lg);
  }

  .contact-item {
    padding: var(--spacing-md) var(--spacing-sm);
  }

  .contact-item-number {
    font-size: 0.9rem;
    width: 2.8rem;
  }

  .contact-item-value {
    font-size: 1.2rem;
  }

  .status-card {
    padding: var(--spacing-xl);
  }

  .map-card {
    padding: var(--spacing-lg);
  }

  .trust-badge {
    padding: var(--spacing-md) var(--spacing-lg);
  }
}

/* ===== 超大桌面端 ≥1440px ===== */
@media (min-width: 1440px) {
  .contact-split {
    padding: calc(var(--spacing-xl) * 1.2) var(--spacing-lg);
    gap: calc(var(--spacing-xl) * 2);
  }

  .contact-title {
    font-size: 4.5rem;
  }
}

/* ===== 动效减少偏好 ===== */
@media (prefers-reduced-motion: reduce) {
  .status-pulse,
  .map-pin {
    animation: none;
  }

  .contact-item,
  .contact-item-value,
  .map-img,
  .status-dot-core {
    transition: none;
  }
}

/* ===== 交互数据属性 ===== */
.contact-item-value[data-click="email"] {
  cursor: pointer;
}

.contact-item-value[data-click="email"]:active {
  opacity: 0.7;
}

.contact-item[data-contact="phone"] .contact-item-value:hover {
  color: var(--color-brand);
  border-bottom-color: var(--color-brand);
}

/* 状态指示器离线模式（通过data-status切换） */
#status-dot[data-status="offline"] .status-dot-core {
  background: var(--contact-status-off);
  box-shadow: none;
}

#status-dot[data-status="offline"] .status-pulse {
  background: rgba(156, 163, 175, 0.15);
  animation: none;
}

#status-dot[data-status="offline"] ~ .status-label {
  color: var(--color-muted);
}