/* ===== page-contact 页面专属样式 ===== */
.page-contact {
  --contact-gap: 2rem;
  --contact-card-radius: 12px;
  --contact-glass-bg: rgba(255, 255, 255, 0.04);
  --contact-glass-border: rgba(255, 255, 255, 0.08);
  --contact-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ----- 面包屑 ----- */
.page-contact .breadcrumb {
  padding: 1.25rem 1rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .breadcrumb a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--contact-transition);
}
.page-contact .breadcrumb a:hover {
  color: var(--accent-green);
}
.page-contact .breadcrumb-sep {
  margin: 0 0.4rem;
  color: var(--neutral-gray);
}
.page-contact .breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

/* ----- Hero 区 ----- */
.page-contact .contact-hero {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
  padding: 1rem 1rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .contact-hero-map {
  position: relative;
  border-radius: var(--contact-card-radius);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--contact-glass-border);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}
.page-contact .contact-hero-map svg {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
}
.page-contact .map-legend {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background: rgba(13, 13, 13, 0.75);
  backdrop-filter: blur(6px);
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.page-contact .legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.page-contact .legend-dot--green {
  background: var(--accent-green);
}
.page-contact .legend-dot--blue {
  background: var(--accent-blue);
}
.page-contact .legend-line {
  width: 16px;
  height: 2px;
  display: inline-block;
  background: var(--accent-blue);
  opacity: 0.5;
}
.page-contact .legend-label {
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.7;
}
.page-contact .pulse-dot {
  animation: map-pulse 3s infinite ease-in-out;
}
@keyframes map-pulse {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(1.2); }
}
.page-contact .map-region {
  cursor: pointer;
  transition: opacity var(--contact-transition);
}
.page-contact .map-region:hover {
  opacity: 1 !important;
}
.page-contact .map-region text {
  pointer-events: none;
}

/* Hero 卡片 */
.page-contact .contact-hero-card {
  position: relative;
  background: var(--contact-glass-bg);
  backdrop-filter: blur(12px);
  border: 1px solid var(--contact-glass-border);
  border-radius: var(--contact-card-radius);
  padding: 1.8rem 1.5rem;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}
.page-contact .hero-card-bg {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 180px;
  height: auto;
  opacity: 0.08;
  pointer-events: none;
  object-fit: cover;
  border-radius: 0;
  max-width: 40%;
}
.page-contact .contact-hero-title {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero-desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin: 0 0 1.5rem;
  max-width: 480px;
  line-height: 1.6;
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero-info {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  position: relative;
  z-index: 1;
}
.page-contact .hero-info-item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.75rem;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  border-left: 2px solid transparent;
  transition: border-color var(--contact-transition);
}
.page-contact .hero-info-item:hover {
  border-left-color: var(--accent-green);
}
.page-contact .hero-info-icon {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}
.page-contact .hero-info-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--neutral-gray);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  min-width: 40px;
}
.page-contact .hero-info-value {
  font-size: 0.85rem;
  color: var(--text-primary);
  word-break: break-all;
}
.page-contact .hero-info-value.text-mono {
  font-family: var(--font-mono);
  letter-spacing: 0.01em;
}

/* ----- 通用 section 标题 ----- */
.page-contact .contact-section-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0 0 1.25rem;
  letter-spacing: -0.01em;
  position: relative;
  padding-left: 1rem;
}
.page-contact .contact-section-title::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.15em;
  width: 3px;
  height: 0.8em;
  background: linear-gradient(to bottom, var(--accent-green), var(--accent-blue));
  border-radius: 2px;
}

/* ----- 联系通道 ----- */
.page-contact .contact-channels {
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .channels-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-contact .channel-card {
  background: var(--contact-glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--contact-glass-border);
  border-radius: var(--contact-card-radius);
  padding: 1.5rem;
  transition: all var(--contact-transition);
  position: relative;
  overflow: hidden;
}
.page-contact .channel-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid transparent;
  transition: border-color var(--contact-transition);
  pointer-events: none;
}
.page-contact .channel-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(57, 255, 20, 0.06);
}
.page-contact .channel-card:hover::after {
  border-color: var(--accent-green);
}
.page-contact .channel-card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(57, 255, 20, 0.06);
  margin-bottom: 1rem;
  transition: background var(--contact-transition);
}
.page-contact .channel-card:hover .channel-card-icon {
  background: rgba(57, 255, 20, 0.12);
}
.page-contact .channel-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 0.35rem;
}
.page-contact .channel-card-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0 0 0.8rem;
  line-height: 1.5;
}
.page-contact .channel-card-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-green);
  padding: 0.4rem 0.75rem;
  background: rgba(57, 255, 20, 0.05);
  border-radius: 6px;
  border: 1px solid rgba(57, 255, 20, 0.1);
  word-break: break-all;
}

/* ----- 时间线 ----- */
.page-contact .contact-timeline {
  padding: 2rem 1rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .timeline-track {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  padding-left: 1.5rem;
}
.page-contact .timeline-track::before {
  content: '';
  position: absolute;
  left: 0.6rem;
  top: 0.6rem;
  bottom: 0.6rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent-green), var(--accent-blue), var(--accent-green));
  opacity: 0.3;
  border-radius: 1px;
}
.page-contact .timeline-node {
  position: relative;
  cursor: pointer;
  transition: all var(--contact-transition);
  outline: none;
}
.page-contact .timeline-node:focus-visible {
  outline: 2px solid var(--accent-green);
  outline-offset: 4px;
  border-radius: 8px;
}
.page-contact .timeline-dot {
  position: absolute;
  left: -1.5rem;
  top: 0.4rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-green);
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(57, 255, 20, 0.2);
  transform: translateX(-50%);
  transition: all var(--contact-transition);
  z-index: 1;
}
.page-contact .timeline-node:hover .timeline-dot {
  box-shadow: 0 0 0 6px rgba(57, 255, 20, 0.3);
  transform: translateX(-50%) scale(1.15);
}
.page-contact .timeline-node:nth-child(even) .timeline-dot {
  background: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 191, 255, 0.2);
}
.page-contact .timeline-node:nth-child(even):hover .timeline-dot {
  box-shadow: 0 0 0 6px rgba(0, 191, 255, 0.3);
}
.page-contact .timeline-content {
  background: var(--contact-glass-bg);
  border: 1px solid var(--contact-glass-border);
  border-radius: 10px;
  padding: 0.9rem 1.1rem;
  transition: all var(--contact-transition);
}
.page-contact .timeline-node:hover .timeline-content {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(57, 255, 20, 0.2);
  transform: translateX(4px);
}
.page-contact .timeline-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-green);
  letter-spacing: 0.02em;
  margin-bottom: 0.2rem;
}
.page-contact .timeline-node:nth-child(even) .timeline-label {
  color: var(--accent-blue);
}
.page-contact .timeline-desc {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.45;
}
.page-contact .timeline-notice {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--neutral-gray);
  text-align: center;
  opacity: 0.6;
  letter-spacing: 0.03em;
}

/* ----- 办公地址 ----- */
.page-contact .contact-address {
  padding: 2rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .address-layout {
  display: flex;
  flex-direction: column;
  gap: var(--contact-gap);
}
.page-contact .address-info {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.page-contact .address-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--contact-glass-bg);
  border: 1px solid var(--contact-glass-border);
  border-radius: var(--contact-card-radius);
  padding: 1.25rem;
}
.page-contact .address-card-icon {
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.page-contact .address-card-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.page-contact .address-card-text strong {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}
.page-contact .address-card-text span {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.page-contact .address-disclaimer {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--neutral-gray);
  background: rgba(255, 255, 255, 0.03);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  border-left: 2px solid var(--accent-blue);
  margin: 0;
  line-height: 1.5;
}
.page-contact .address-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-contact .address-visual {
  border-radius: var(--contact-card-radius);
  overflow: hidden;
  background: var(--bg-secondary);
  border: 1px solid var(--contact-glass-border);
}
.page-contact .address-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  object-position: center;
  opacity: 0.75;
  transition: opacity var(--contact-transition);
}
.page-contact .address-img:hover {
  opacity: 0.95;
}

/* ----- 反馈建议 ----- */
.page-contact .contact-feedback {
  padding: 2rem 1rem 3rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}
.page-contact .feedback-card {
  text-align: center;
  background: linear-gradient(135deg, rgba(57, 255, 20, 0.03) 0%, rgba(0, 191, 255, 0.03) 100%);
  border: 1px solid rgba(57, 255, 20, 0.1);
  border-radius: var(--contact-card-radius);
  padding: 2rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
}
.page-contact .feedback-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(57, 255, 20, 0.06);
  margin-bottom: 0.25rem;
}
.page-contact .feedback-desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 480px;
  margin: 0;
  line-height: 1.6;
}
.page-contact .feedback-email {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-green);
  padding: 0.4rem 1rem;
  background: rgba(57, 255, 20, 0.04);
  border-radius: 8px;
  border: 1px solid rgba(57, 255, 20, 0.12);
  word-break: break-all;
  margin: 0.25rem 0;
}
.page-contact .feedback-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ----- 按钮（覆盖共享样式） ----- */
.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: all var(--contact-transition);
  cursor: pointer;
  border: 1px solid transparent;
}
.page-contact .btn-primary {
  background: var(--accent-green);
  color: var(--bg-primary);
  border-color: var(--accent-green);
}
.page-contact .btn-primary:hover {
  background: transparent;
  color: var(--accent-green);
  box-shadow: 0 0 20px rgba(57, 255, 20, 0.15);
}
.page-contact .btn-secondary {
  background: transparent;
  color: var(--accent-blue);
  border-color: rgba(0, 191, 255, 0.3);
}
.page-contact .btn-secondary:hover {
  border-color: var(--accent-blue);
  background: rgba(0, 191, 255, 0.05);
  box-shadow: 0 0 16px rgba(0, 191, 255, 0.1);
}

/* ===== 桌面端 (≥768px) ===== */
@media (min-width: 768px) {
  .page-contact {
    --contact-gap: 2.5rem;
  }
  .page-contact .breadcrumb {
    padding: 1.5rem 2rem 1rem;
  }
  .page-contact .contact-hero {
    flex-direction: row;
    padding: 1rem 2rem 3rem;
    gap: var(--contact-gap);
  }
  .page-contact .contact-hero-map {
    flex: 1 1 55%;
    min-height: 400px;
  }
  .page-contact .contact-hero-map svg {
    max-height: 500px;
  }
  .page-contact .contact-hero-card {
    flex: 1 1 45%;
    padding: 2.5rem 2rem;
  }
  .page-contact .hero-card-bg {
    width: 260px;
    max-width: 50%;
  }
  .page-contact .contact-hero-title {
    font-size: 2.2rem;
  }
  .page-contact .contact-hero-desc {
    font-size: 1rem;
  }
  .page-contact .contact-hero-info {
    gap: 0.6rem;
  }

  .page-contact .contact-channels {
    padding: 3rem 2rem;
  }
  .page-contact .channels-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
  }
  .page-contact .channel-card {
    padding: 1.75rem;
  }

  .page-contact .contact-timeline {
    padding: 3rem 2rem 2rem;
  }
  .page-contact .timeline-track {
    flex-direction: row;
    gap: 1.5rem;
    padding-left: 0;
    padding-top: 1rem;
  }
  .page-contact .timeline-track::before {
    left: 1rem;
    right: 1rem;
    top: 0.6rem;
    bottom: auto;
    width: auto;
    height: 2px;
    background: linear-gradient(to right, var(--accent-green), var(--accent-blue), var(--accent-green));
  }
  .page-contact .timeline-node {
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .page-contact .timeline-dot {
    left: 50%;
    top: -1rem;
    transform: translateX(-50%);
  }
  .page-contact .timeline-node:hover .timeline-dot {
    transform: translateX(-50%) scale(1.15);
  }
  .page-contact .timeline-content {
    margin-top: 1rem;
  }
  .page-contact .timeline-node:hover .timeline-content {
    transform: translateY(-3px);
  }

  .page-contact .contact-address {
    padding: 3rem 2rem;
  }
  .page-contact .address-layout {
    flex-direction: row;
    align-items: stretch;
  }
  .page-contact .address-info {
    flex: 1 1 50%;
    justify-content: center;
  }
  .page-contact .address-visual {
    flex: 1 1 50%;
  }
  .page-contact .address-img {
    max-height: 360px;
  }

  .page-contact .contact-feedback {
    padding: 3rem 2rem 5rem;
  }
  .page-contact .feedback-card {
    padding: 3rem 4rem;
  }
  .page-contact .feedback-desc {
    font-size: 1rem;
  }
  .page-contact .feedback-email {
    font-size: 1.05rem;
  }
}

/* ===== 大桌面端 (≥1024px) ===== */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 1.5rem 2rem 4rem;
  }
  .page-contact .contact-hero-title {
    font-size: 2.6rem;
  }
  .page-contact .contact-section-title {
    font-size: 1.6rem;
    padding-left: 1.2rem;
  }
  .page-contact .contact-channels {
    padding: 4rem 2rem;
  }
  .page-contact .contact-timeline {
    padding: 4rem 2rem 2.5rem;
  }
  .page-contact .contact-address {
    padding: 4rem 2rem;
  }
  .page-contact .contact-feedback {
    padding: 4rem 2rem 6rem;
  }
}