.page-contact {
  --contact-font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --contact-font-body: 'Noto Sans SC', 'Microsoft YaHei', 'PingFang SC', system-ui, sans-serif;
  --contact-font-heading: 'Orbitron', 'Arial Black', 'Impact', sans-serif;
  --contact-bg-primary: #0a0a0f;
  --contact-bg-secondary: #1a1a2e;
  --contact-bg-tertiary: #16213e;
  --contact-brand-start: #8b5cf6;
  --contact-brand-end: #06b6d4;
  --contact-accent: #f97316;
  --contact-text-primary: #e2e8f0;
  --contact-text-secondary: #94a3b8;
  --contact-border: rgba(139, 92, 246, 0.3);
  --contact-glow: rgba(139, 92, 246, 0.5);
  --contact-card-radius: 0px;

  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--contact-bg-primary);
  overflow-x: hidden;
  font-family: var(--contact-font-body);
  color: var(--contact-text-primary);
}

/* ── 背景层 ── */
.contact-bg-layer {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.contact-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.contact-bg-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: grayscale(0.8) brightness(0.4);
}

/* ── 卡片容器 ── */
.contact-card-wrapper {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1120px;
  margin: 2rem 1rem;
  padding: 0;
}

/* ── 主卡片 ── */
.contact-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--contact-border);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.08), 0 0 40px rgba(139, 92, 246, 0.06);
  transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
  overflow: hidden;
}

/* 卡片悬浮效果 */
.contact-card:hover {
  border-color: rgba(139, 92, 246, 0.5);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.15), 0 0 60px rgba(139, 92, 246, 0.1);
}

/* ── 卡片内左栏 ── */
.contact-card-left {
  position: relative;
  width: 100%;
  min-height: 240px;
  background: var(--contact-bg-tertiary);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-left-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
  mix-blend-mode: screen;
  filter: saturate(1.4) contrast(1.1);
}

.contact-left-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(139, 92, 246, 0.15), transparent 70%);
  pointer-events: none;
}

/* ── 卡片内右栏 ── */
.contact-card-right {
  position: relative;
  width: 100%;
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* ── 面包屑 ── */
.contact-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--contact-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--contact-text-secondary);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(139, 92, 246, 0.12);
}

.contact-breadcrumb-link {
  color: var(--contact-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-breadcrumb-link:hover {
  color: var(--contact-brand-start);
}

.contact-breadcrumb-sep {
  color: var(--contact-text-secondary);
  opacity: 0.4;
}

.contact-breadcrumb-current {
  color: var(--contact-text-primary);
  font-weight: 500;
}

/* ── 装饰图标 ── */
.contact-icon-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.contact-icon-img {
  width: 64px;
  height: 64px;
  object-fit: contain;
  filter: drop-shadow(0 0 12px rgba(249, 115, 22, 0.35));
  opacity: 0.9;
}

/* ── 标题组 ── */
.contact-heading-group {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.contact-prompt {
  font-family: var(--contact-font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--contact-accent);
  filter: drop-shadow(0 0 6px rgba(249, 115, 22, 0.4));
  line-height: 1;
}

.contact-heading {
  font-family: var(--contact-font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--contact-brand-start), var(--contact-brand-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 12px rgba(139, 92, 246, 0.3));
  margin: 0;
  padding: 0;
  line-height: 1.2;
}

/* ── 联系列表（终端风格） ── */
.contact-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 0 0 1.5rem 0;
  padding: 0;
}

.contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(139, 92, 246, 0.08);
}

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

.contact-item-prompt {
  font-family: var(--contact-font-mono);
  font-size: 0.75rem;
  letter-spacing: 1px;
  color: var(--contact-text-secondary);
  text-transform: uppercase;
  opacity: 0.7;
  margin: 0;
}

.contact-item-value {
  font-family: var(--contact-font-mono);
  font-size: 1rem;
  color: var(--contact-text-primary);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0;
}

.contact-item-icon {
  font-size: 1rem;
  opacity: 0.6;
  width: 1.2rem;
  text-align: center;
}

.contact-email-link {
  color: var(--contact-brand-end);
  text-decoration: none;
  border-bottom: 1px dashed rgba(6, 182, 212, 0.3);
  transition: color var(--transition-fast), border-color var(--transition-fast);
  cursor: pointer;
}

.contact-email-link:hover {
  color: var(--contact-accent);
  border-color: var(--contact-accent);
}

.contact-copy-hint {
  font-size: 0.65rem;
  letter-spacing: 0.5px;
  color: var(--contact-text-secondary);
  background: rgba(139, 92, 246, 0.1);
  padding: 0.1rem 0.5rem;
  border: 1px solid rgba(139, 92, 246, 0.2);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
  user-select: none;
}

.contact-copy-hint:hover {
  background: rgba(139, 92, 246, 0.25);
  color: var(--contact-text-primary);
}

.contact-phone {
  color: var(--contact-text-primary);
  font-weight: 500;
}

.contact-note-tag {
  font-family: var(--contact-font-body);
  font-size: 0.6rem;
  letter-spacing: 0.3px;
  color: var(--contact-text-secondary);
  background: rgba(139, 92, 246, 0.08);
  padding: 0.1rem 0.5rem;
  border: 1px solid rgba(139, 92, 246, 0.12);
  text-transform: uppercase;
}

.contact-address {
  color: var(--contact-text-primary);
  font-style: normal;
}

/* ── 服务说明 ── */
.contact-channel-note {
  font-family: var(--contact-font-body);
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--contact-text-secondary);
  margin: 0 0 0.25rem 0;
  padding: 0.6rem 0.75rem;
  background: rgba(139, 92, 246, 0.05);
  border-left: 2px solid var(--contact-brand-start);
}

/* ── 分隔线 ── */
.contact-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--contact-border), transparent);
  margin: 1.25rem 0;
  opacity: 0.6;
}

/* ── 反馈须知 ── */
.contact-feedback {
  margin-bottom: 1.25rem;
}

.contact-feedback-header {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}

.contact-feedback-title {
  font-family: var(--contact-font-heading);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--contact-text-primary);
  margin: 0;
  padding: 0;
  filter: drop-shadow(0 0 6px rgba(139, 92, 246, 0.15));
}

.contact-feedback .contact-prompt {
  font-size: 1.1rem;
}

.contact-feedback-text {
  font-family: var(--contact-font-body);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--contact-text-secondary);
  margin: 0;
  padding: 0 0 0 1.6rem;
  max-width: 42em;
}

/* ── 内链导航 ── */
.contact-internal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(139, 92, 246, 0.08);
}

.contact-internal-link {
  font-family: var(--contact-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--contact-text-secondary);
  text-decoration: none;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgba(139, 92, 246, 0.15);
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.contact-internal-link:hover {
  color: var(--contact-text-primary);
  border-color: var(--contact-brand-start);
  background: rgba(139, 92, 246, 0.08);
}

/* ── 扫描边框（装饰） ── */
.contact-scan-border {
  position: absolute;
  inset: -1px;
  pointer-events: none;
  z-index: 2;
  border: 1px solid transparent;
  background: transparent;
}

.contact-scan-border::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--contact-accent) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: contactScanMove 4s ease-in-out infinite;
  opacity: 0.25;
  filter: blur(1px);
}

.contact-scan-border::after {
  content: '';
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 100%;
  height: 2px;
  background: linear-gradient(270deg, transparent 0%, var(--contact-brand-start) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: contactScanMove 4s ease-in-out 2s infinite;
  opacity: 0.2;
  filter: blur(1px);
}

@keyframes contactScanMove {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* ── 移动端优先（已适配） ── */
@media (min-width: 768px) {
  .contact-card {
    flex-direction: row;
    min-height: 560px;
  }

  .contact-card-left {
    width: 50%;
    min-height: 100%;
    flex-shrink: 0;
  }

  .contact-card-right {
    width: 50%;
    padding: 2.5rem 2.5rem 2.5rem 2rem;
  }

  .contact-icon-wrap {
    justify-content: flex-start;
  }

  .contact-icon-img {
    width: 80px;
    height: 80px;
  }

  .contact-heading {
    font-size: 2.2rem;
  }

  .contact-heading-group {
    margin-bottom: 2.5rem;
  }

  .contact-item-value {
    font-size: 1.1rem;
  }

  .contact-list {
    gap: 0.75rem;
  }

  .contact-channel-note {
    font-size: 0.85rem;
  }

  .contact-feedback-text {
    font-size: 0.9rem;
  }

  .contact-internal-links {
    gap: 1rem;
  }

  .contact-card-wrapper {
    margin: 3rem 2rem;
  }
}

@media (min-width: 1024px) {
  .contact-card-right {
    padding: 3rem 3.5rem 3rem 2.5rem;
  }

  .contact-heading {
    font-size: 2.6rem;
    letter-spacing: 6px;
  }

  .contact-prompt {
    font-size: 2rem;
  }

  .contact-item-value {
    font-size: 1.25rem;
  }

  .contact-item-prompt {
    font-size: 0.8rem;
  }

  .contact-card-wrapper {
    margin: 4rem auto;
  }
}

/* ── 超宽屏限制 ── */
@media (min-width: 1400px) {
  .contact-card-wrapper {
    max-width: 1200px;
  }
}

/* ── 减小 motion 时关闭动画 ── */
@media (prefers-reduced-motion: reduce) {
  .contact-scan-border::before,
  .contact-scan-border::after {
    animation: none;
    opacity: 0.08;
  }

  .contact-card {
    transition: none;
  }

  .contact-card:hover {
    border-color: var(--contact-border);
    box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.08), 0 0 40px rgba(139, 92, 246, 0.06);
  }
}

/* ── 图片响应式 ── */
.contact-card-left img,
.contact-icon-img,
.contact-bg-fallback {
  max-width: 100%;
  height: auto;
}

/* ── 焦点可见性 ── */
.contact-internal-link:focus-visible,
.contact-breadcrumb-link:focus-visible,
.contact-email-link:focus-visible,
.contact-copy-hint:focus-visible {
  outline: 2px solid var(--contact-accent);
  outline-offset: 2px;
}

/* ── 选择样式 ── */
.contact-item-value ::selection {
  background: rgba(139, 92, 246, 0.3);
  color: var(--contact-text-primary);
}

/* ── 打印优化 ── */
@media print {
  .page-contact {
    background: #fff;
    color: #111;
  }
  .contact-bg-layer {
    display: none;
  }
  .contact-card {
    background: #fff;
    border: 1px solid #ccc;
    box-shadow: none;
    backdrop-filter: none;
  }
  .contact-heading {
    -webkit-text-fill-color: #111;
    background: none;
    filter: none;
  }
  .contact-scan-border {
    display: none;
  }
}