/* ===== page-contact 专属样式 ===== */
.page-contact {
  --contact-gap: 2rem;
  --card-min-h: 320px;
  font-family: var(--font-body);
  color: var(--c-text);
  background: var(--c-light);
}

/* 面包屑 */
.page-contact .breadcrumb {
  padding-top: calc(var(--header-h) + 1.5rem);
  padding-bottom: 0.5rem;
  font-size: 0.85rem;
  color: var(--c-silver);
}
.page-contact .breadcrumb a {
  color: var(--c-grad-end);
  text-decoration: none;
  transition: color var(--transition);
}
.page-contact .breadcrumb a:hover {
  color: var(--c-accent);
}
.page-contact .breadcrumb span[aria-current] {
  color: var(--c-text);
  font-weight: 600;
}

/* 首屏框景 */
.page-contact .frame-view {
  position: relative;
  padding: 2rem 1.5rem;
  margin-bottom: 2.5rem;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,212,170,0.06) 0%, rgba(59,130,246,0.06) 100%);
  box-shadow: var(--shadow-sm);
}
.page-contact .frame-view::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--c-grad-start), var(--c-grad-end));
  border-radius: 4px 0 0 4px;
}
.page-contact .frame-view__label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: var(--fw-data);
  color: var(--c-grad-end);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  border: 1px solid var(--c-border);
  padding: 0.2rem 0.8rem;
  border-radius: 20px;
  background: rgba(255,255,255,0.6);
}
.page-contact .frame-view h1 {
  font-family: var(--font-heading);
  font-weight: var(--fw-heading);
  font-size: clamp(2rem, 5vw, 3.2rem);
  line-height: 1.15;
  margin: 0.5rem 0 1rem;
}
.page-contact .frame-view .text-gradient {
  background: linear-gradient(135deg, var(--c-grad-start), var(--c-grad-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-contact .contact-desc {
  max-width: 640px;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text);
  opacity: 0.8;
  margin: 0;
}

/* 联系卡片网格 */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-top: 1.5rem;
}
@media (min-width: 48rem) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 64rem) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  padding: 2rem 1.5rem 1.8rem;
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--c-border);
  transition: transform var(--transition), box-shadow var(--transition);
  min-height: var(--card-min-h);
  position: relative;
  overflow: hidden;
}
.page-contact .contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.page-contact .contact-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--c-grad-start), var(--c-grad-end));
  opacity: 0.4;
}
.page-contact .contact-card--accent::after {
  background: var(--c-accent);
  opacity: 0.6;
}
.page-contact .contact-card--map::after {
  background: var(--c-silver);
  opacity: 0.5;
}

.page-contact .contact-card__icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: var(--c-light);
  padding: 4px;
}
.page-contact .contact-card__title {
  font-family: var(--font-heading);
  font-weight: var(--fw-heading);
  font-size: 1.25rem;
  margin: 0 0 0.5rem;
  color: var(--c-text);
}
.page-contact .contact-card__text {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--c-text);
  opacity: 0.75;
  margin: 0 0 1.2rem;
  flex: 1;
}
.page-contact .contact-card__value {
  display: block;
  font-family: var(--font-mono);
  font-weight: var(--fw-data);
  font-size: 0.95rem;
  color: var(--c-grad-end);
  word-break: break-all;
  text-decoration: none;
  padding: 0.5rem 0.8rem;
  background: rgba(59,130,246,0.06);
  border-radius: 6px;
  margin-bottom: 0.6rem;
  border: 1px solid rgba(59,130,246,0.12);
}
.page-contact .contact-card__value--copy {
  cursor: pointer;
  transition: background var(--transition);
}
.page-contact .contact-card__value--copy:hover {
  background: rgba(59,130,246,0.12);
}
.page-contact .contact-card__hint {
  display: block;
  font-size: 0.78rem;
  color: var(--c-accent);
  opacity: 0.7;
  line-height: 1.4;
  margin-top: 0.2rem;
}
.page-contact .contact-card__note {
  font-size: 0.78rem;
  color: var(--c-silver);
  opacity: 0.7;
  line-height: 1.4;
  margin: 0.4rem 0 0;
  padding: 0.4rem 0.6rem;
  background: rgba(192,192,192,0.08);
  border-radius: 4px;
}
.page-contact .copy-trigger {
  align-self: flex-start;
  margin-top: auto;
  font-size: 0.8rem;
  padding: 0.3rem 1rem;
  background: transparent;
  border: 1px solid var(--c-border);
  color: var(--c-text);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  border-radius: 20px;
}
.page-contact .copy-trigger:hover {
  background: var(--c-grad-start);
  border-color: var(--c-grad-start);
  color: #fff;
}

/* 地图区域 */
.page-contact .map-section {
  margin-top: 1rem;
}
.page-contact .map-frame {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--c-border);
  background: var(--c-dark);
}
.page-contact .map-placeholder {
  position: relative;
  width: 100%;
  aspect-ratio: 600 / 400;
  overflow: hidden;
  background: #1a2538;
}
.page-contact .map-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.page-contact .map-placeholder:hover .map-img {
  transform: scale(1.03);
}
.page-contact .map-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 1.2rem;
  background: linear-gradient(0deg, rgba(11,17,32,0.7) 0%, transparent 50%);
  pointer-events: none;
}
.page-contact .map-pin {
  font-family: var(--font-heading);
  font-weight: var(--fw-data);
  font-size: 0.95rem;
  color: #fff;
  background: rgba(255,107,53,0.9);
  padding: 0.4rem 1rem 0.4rem 0.8rem;
  border-radius: 30px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,0.15);
  letter-spacing: 0.03em;
  box-shadow: 0 2px 12px rgba(0,0,0,0.25);
  pointer-events: auto;
  cursor: zoom-in;
  transition: transform var(--transition);
}
.page-contact .map-pin:hover {
  transform: scale(1.05);
}
.page-contact .map-caption {
  font-size: 0.82rem;
  color: var(--c-text-dark);
  padding: 0.8rem 1.2rem;
  margin: 0;
  background: rgba(11,17,32,0.95);
  border-top: 1px solid rgba(255,255,255,0.06);
  opacity: 0.75;
  line-height: 1.5;
}

/* 帮助面板 */
.page-contact .help-section {
  margin-top: 0.5rem;
}
.page-contact .help-panel {
  padding: 2.5rem 2rem;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(0,212,170,0.04) 0%, rgba(59,130,246,0.04) 100%);
  border: 1px solid var(--c-border);
  text-align: center;
  box-shadow: var(--shadow-sm);
}
.page-contact .help-title {
  font-family: var(--font-heading);
  font-weight: var(--fw-heading);
  font-size: 1.6rem;
  margin: 0 0 0.8rem;
  color: var(--c-text);
}
.page-contact .help-text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--c-text);
  opacity: 0.8;
  max-width: 600px;
  margin: 0 auto 1.5rem;
}
.page-contact .help-link {
  color: var(--c-grad-end);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition);
}
.page-contact .help-link:hover {
  border-bottom-color: var(--c-grad-end);
}
.page-contact .help-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}
.page-contact .help-actions .btn {
  min-width: 160px;
}

/* 信任声明 */
.page-contact .trust-section {
  margin-top: 0.5rem;
  margin-bottom: var(--space-2xl);
}
.page-contact .trust-banner {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.2rem 1.5rem;
  border-radius: var(--radius);
  background: var(--c-dark);
  border: 1px solid rgba(192,192,192,0.12);
}
.page-contact .trust-banner .tag {
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.page-contact .trust-text {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--c-text-dark);
  opacity: 0.8;
  margin: 0;
}

/* 响应式调整 */
@media (max-width: 47.99rem) {
  .page-contact .frame-view {
    padding: 1.5rem 1rem;
  }
  .page-contact .contact-card {
    padding: 1.5rem 1rem 1.2rem;
    min-height: auto;
  }
  .page-contact .contact-card__icon {
    width: 40px;
    height: 40px;
  }
  .page-contact .help-panel {
    padding: 1.8rem 1.2rem;
  }
  .page-contact .help-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .page-contact .help-actions .btn {
    min-width: 0;
  }
  .page-contact .trust-banner {
    flex-direction: column;
    gap: 0.6rem;
  }
  .page-contact .map-placeholder {
    aspect-ratio: 4 / 3;
  }
}

@media (min-width: 48rem) and (max-width: 63.99rem) {
  .page-contact .contact-card--map {
    grid-column: span 2;
  }
}

/* 打印优化 */
@media print {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }
  .page-contact .contact-card {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
  .page-contact .map-placeholder {
    aspect-ratio: 600 / 400;
  }
  .page-contact .copy-trigger {
    display: none;
  }
  .page-contact .help-actions .btn {
    display: none;
  }
}