.page-contact {
  --contact-card-padding: 2rem 2.5rem;
  --contact-item-gap: 1.5rem;
  --contact-icon-size: 40px;
  --map-min-height: 300px;
  --map-grid-size: 30px;

  background-color: var(--color-background);
  font-family: var(--font-body);
  line-height: var(--line-height-body);
  padding: 2rem 0 4rem;
}

/* 移动端优先：垂直堆叠布局 */
.page-contact .contact-layout-inner {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.page-contact .contact-left,
.page-contact .contact-right {
  flex: 1;
}

.page-contact .contact-intro {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.page-contact .contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  padding: var(--contact-card-padding);
  display: flex;
  flex-direction: column;
  gap: var(--contact-item-gap);
  border-radius: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.page-contact .contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: var(--font-size-body);
  color: var(--color-text-primary);
}

.page-contact .contact-icon {
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  flex-shrink: 0;
  object-fit: contain;
  display: block;
  background: var(--color-accent);
  border-radius: 50%;
  padding: 6px;
  box-sizing: border-box;
}

.page-contact .contact-label {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  min-width: 5rem;
  flex-shrink: 0;
}

.page-contact .contact-detail {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast), text-decoration-color var(--transition-fast);
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 3px;
}

.page-contact .contact-detail:hover {
  color: var(--color-accent);
  text-decoration-color: var(--color-accent);
}

.page-contact .contact-note {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  opacity: 0.8;
  font-style: italic;
}

.page-contact .contact-time {
  margin-top: 1.5rem;
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

.page-contact .contact-policy {
  margin-top: 1.2rem;
  font-size: var(--font-size-small);
}

.page-contact .policy-link {
  color: var(--color-accent);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color var(--transition-fast);
  font-weight: 600;
}

.page-contact .policy-link:hover {
  text-decoration-color: currentColor;
}

/* 地图插件 */
.page-contact .map-caption {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
  margin-bottom: 1.2rem;
  font-style: italic;
}

.page-contact .map-placeholder {
  position: relative;
  width: 100%;
  min-height: var(--map-min-height);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.page-contact .map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px),
    linear-gradient(180deg, var(--color-border) 1px, transparent 1px);
  background-size: var(--map-grid-size) var(--map-grid-size);
  opacity: 0.4;
}

.page-contact .map-text {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(255,255,255,0.75);
  padding: 0.75rem 1.5rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  backdrop-filter: blur(2px);
}

.page-contact .support-section {
  margin-top: 4rem;
  background: var(--color-surface);
  padding: 3rem 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.page-contact .support-section .container {
  text-align: center;
}

.page-contact .support-section p {
  font-size: var(--font-size-body);
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 2rem;
  line-height: 1.7;
}

.page-contact .btn-primary {
  display: inline-block;
  background: var(--color-accent);
  color: var(--color-background);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  padding: 0.85rem 2.5rem;
  border: 2px solid var(--color-accent);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
}

.page-contact .btn-primary:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-background);
}

/* 桌面屏：横向并排 */
@media (min-width: 768px) {
  .page-contact .contact-layout-inner {
    flex-direction: row;
    gap: 3rem;
  }

  .page-contact .contact-left {
    flex: 1.2;
  }

  .page-contact .contact-right {
    flex: 1;
  }

  .page-contact .map-placeholder {
    min-height: 360px;
  }
}