.page-contact {
  --contact-bg-overlay: rgba(13,27,42,0.15);
  --card-radius: 8px;
  --card-clip: polygon(0% 0%, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0% 100%);
  position: relative;
  min-height: 80vh;
  padding-bottom: 4rem;
  background: var(--bg-light);
}

/* 背景图片覆盖 */
.page-contact .contact-bg-img {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  object-fit: cover;
  z-index: 0;
  opacity: 0.25;
  pointer-events: none;
}

/* 面包屑 */
.page-contact .breadcrumb {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--header-height) + 1rem);
  font-size: 0.85rem;
  color: var(--text-dark);
  opacity: 0.7;
}
.page-contact .breadcrumb a {
  color: var(--secondary-blue);
  text-decoration: none;
}
.page-contact .breadcrumb .divider {
  margin: 0 0.3rem;
}

/* 主布局 */
.page-contact .contact-main {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  margin-top: 1rem;
}

/* 左栏巨大问号 */
.page-contact .contact-hero {
  text-align: center;
  padding: 2rem 0;
}
.page-contact .big-question {
  display: block;
  font-size: clamp(8rem, 20vw, 16rem);
  font-weight: 900;
  color: var(--accent-gold);
  line-height: 1;
  text-shadow: 0 4px 20px rgba(255,215,0,0.3);
  margin-bottom: 0.5rem;
}
.page-contact .contact-title {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: clamp(1.8rem, 5vw, 2.8rem);
  text-transform: uppercase;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin: 0.2rem 0;
}
.page-contact .contact-subtitle {
  font-size: 1rem;
  color: var(--neutral-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* 右栏详情 */
.page-contact .contact-details {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* 区块标签 */
.page-contact .section-label {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: 1.4rem;
  text-transform: uppercase;
  color: var(--secondary-blue);
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}
.page-contact .section-label::after {
  content: '';
  display: block;
  width: 50%;
  height: 3px;
  background: var(--accent-gold);
  margin-top: 0.3rem;
}

/* 联系方式卡片容器 */
.page-contact .contact-cards {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* 单个联系卡片 */
.page-contact .contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-light);
  padding: 1rem 1.5rem;
  border: 1px solid var(--primary-green);
  clip-path: var(--card-clip);
  transition: background var(--transition), box-shadow var(--transition);
  text-decoration: none;
  color: var(--text-dark);
}
.page-contact .contact-card:hover {
  background: color-mix(in srgb, var(--primary-green), transparent 85%);
  box-shadow: 0 4px 15px rgba(0,168,120,0.2);
}
.page-contact .contact-card .contact-icon {
  width: 48px;
  height: 48px;
  object-fit: contain;
  flex-shrink: 0;
}
.page-contact .contact-card .card-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.page-contact .contact-card .card-label {
  font-family: 'Impact', 'Arial Black', sans-serif;
  font-weight: 900;
  font-size: 0.85rem;
  text-transform: uppercase;
  color: var(--primary-green);
}
.page-contact .contact-card .card-value {
  font-size: 0.95rem;
  word-break: break-all;
  color: var(--text-dark);
}
.page-contact .contact-card .card-action {
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}
.page-contact .contact-card .card-action:hover {
  background: var(--accent-gold);
  color: var(--text-dark);
  filter: brightness(1.1);
}

/* 联系须知卡片 */
.page-contact .notice-section {
  margin-top: 0.5rem;
}
.page-contact .notice-card {
  background: var(--bg-dark);
  color: var(--text-light);
  padding: 1.5rem;
  clip-path: polygon(0% 0%, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0% 100%);
}
.page-contact .notice-card p {
  margin: 0.8rem 0;
  line-height: 1.7;
  font-size: 0.95rem;
}
.page-contact .notice-card a {
  color: var(--accent-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .notice-card .contact-note {
  font-size: 0.85rem;
  opacity: 0.7;
  margin-top: 1rem;
}

/* 响应式：桌面端 ≥768px */
@media (min-width: 768px) {
  .page-contact .contact-main {
    flex-direction: row;
    align-items: flex-start;
    gap: 4rem;
    padding: 2rem 0;
  }
  .page-contact .contact-hero {
    flex: 0 0 35%;
    text-align: left;
    padding: 2rem 0 0 0;
  }
  .page-contact .big-question {
    font-size: clamp(12rem, 18vw, 20rem);
    text-align: center;
  }
  .page-contact .contact-title {
    text-align: center;
  }
  .page-contact .contact-subtitle {
    text-align: center;
  }
  .page-contact .contact-details {
    flex: 1;
    gap: 2.5rem;
  }
  .page-contact .contact-cards {
    gap: 1.2rem;
  }
  .page-contact .contact-card {
    padding: 1.5rem 2rem;
  }
}

/* 大屏 ≥1024px 微调 */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding-top: 3rem;
  }
  .page-contact .big-question {
    font-size: 20rem;
  }
}