.page-contact {
  --card-grid-min: 280px;
  --card-radius: 12px;
  --card-padding: 1.5rem;
  --icon-size: 2rem;
  max-width: var(--content-max, 1280px);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
  color: var(--color-text-primary);
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
  color: var(--color-text-secondary);
}
.page-contact .breadcrumb a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .breadcrumb a:hover {
  color: var(--color-secondary);
}

/* 页面标题 */
.page-contact .page-heading {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  margin: 0 0 1.25rem;
  color: var(--color-accent);
  background: linear-gradient(135deg, var(--color-accent), var(--color-primary) 70%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

/* 导语区块 */
.page-contact .contact-intro {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2.5rem;
  padding: 1.5rem;
  background: var(--color-surface-1);
  border-radius: var(--card-radius);
  border-left: 4px solid var(--color-accent);
}
.page-contact .intro-img {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  align-self: center;
}
.page-contact .intro-text {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 800px;
}
.page-contact .intro-text .highlight {
  color: var(--color-accent);
  font-weight: 600;
}

/* 编号章节标题 */
.page-contact .section-chip {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 1.25rem;
  letter-spacing: 0.03em;
}
.page-contact .chip-number {
  font-size: 2rem;
  font-weight: 700;
  opacity: 0.8;
  color: var(--color-secondary);
  margin-right: 0.25rem;
}
.page-contact .chip-text {
  display: block;
}

/* 卡片网格 —— 移动端单列 */
.page-contact .channel-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

/* 联系卡片 */
.page-contact .contact-card {
  background: var(--color-primary);
  border: 1px solid rgba(212, 175, 55, 0.2);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: box-shadow 0.3s, transform 0.3s;
  position: relative;
  overflow: hidden;
}
.page-contact .contact-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 20%, rgba(212, 175, 55, 0.06), transparent 60%);
  pointer-events: none;
}
.page-contact .contact-card:hover {
  box-shadow: 0 8px 30px rgba(0, 255, 127, 0.15);
  transform: translateY(-3px);
}
.page-contact .card-icon {
  width: var(--icon-size);
  height: var(--icon-size);
  color: var(--color-accent);
  flex-shrink: 0;
}
.page-contact .card-icon svg {
  width: 100%;
  height: 100%;
  stroke: currentColor;
  fill: none;
}
.page-contact .card-icon-address svg {
  color: var(--color-secondary);
  filter: drop-shadow(0 0 6px var(--color-green-glow));
}
.page-contact .card-label {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin: 0;
}
.page-contact .card-value {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}
.page-contact .contact-link {
  color: var(--color-text-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s;
}
.page-contact .contact-link:hover {
  color: var(--color-secondary);
}
.page-contact .card-note {
  font-family: var(--font-body);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-secondary);
  margin: 0;
}
.page-contact .address-map {
  width: 100%;
  max-width: 400px;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  margin-top: 0.5rem;
  border: 1px solid rgba(0, 255, 127, 0.2);
}

/* 服务说明 */
.page-contact .service-note {
  margin-top: 2.5rem;
  padding: 1.5rem;
  background: var(--color-surface-1);
  border-radius: var(--card-radius);
  border: 1px solid rgba(212, 175, 55, 0.15);
}
.page-contact .service-note-content {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  max-width: 760px;
}
.page-contact .service-note-content a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.page-contact .service-note-content a:hover {
  color: var(--color-secondary);
}
.page-contact .service-extra {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(0, 255, 127, 0.08);
  border-left: 3px solid var(--color-secondary);
  border-radius: 6px;
  font-size: 0.925rem;
}

/* 表单留言区 */
.page-contact .contact-form-section {
  margin-top: 2.5rem;
}
.page-contact .form-intro {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
  max-width: 640px;
}
.page-contact .contact-form {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  max-width: 640px;
  background: var(--color-surface-1);
  padding: 1.5rem;
  border-radius: var(--card-radius);
  border: 1px solid rgba(212, 175, 55, 0.15);
}
.page-contact .form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.page-contact .form-group label {
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
}
.page-contact .form-group input,
.page-contact .form-group textarea {
  padding: 0.6rem 0.75rem;
  font-family: var(--font-body);
  font-size: 1rem;
  background: var(--color-bg-dark);
  color: var(--color-text-primary);
  border: 1px solid var(--color-surface-2);
  border-radius: 6px;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
}
.page-contact .form-group input:focus,
.page-contact .form-group textarea:focus {
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px var(--color-green-glow);
}
.page-contact .form-group textarea {
  resize: vertical;
  min-height: 100px;
}
.page-contact .form-group-full {
  grid-column: 1 / -1;
}
.page-contact .form-submit {
  grid-column: 1 / -1;
  justify-self: start;
  padding: 0.7rem 2rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-bg-dark);
  background: var(--color-secondary);
  border: none;
  border-radius: 8px;
  cursor: default;
  transition: background 0.3s, transform 0.2s;
}
.page-contact .form-submit:hover {
  background: #00e673;
  transform: scale(1.02);
}
.page-contact .form-disclaimer {
  grid-column: 1 / -1;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  opacity: 0.8;
  margin-top: 0.25rem;
}

/* 相关导航 */
.page-contact .page-navigation-links {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-surface-2);
}
.page-contact .page-navigation-links ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.page-contact .page-navigation-links a {
  color: var(--color-accent);
  font-size: 0.925rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .page-navigation-links a:hover {
  color: var(--color-secondary);
}

/* 无障碍隐藏 */
.page-contact .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* 桌面端 ≥ 768px */
@media (min-width: 768px) {
  .page-contact {
    padding: 2rem 2rem 4rem;
  }
  .page-contact .page-heading {
    font-size: 3rem;
  }
  .page-contact .contact-intro {
    flex-direction: row;
    align-items: center;
    gap: 2rem;
  }
  .page-contact .intro-img {
    width: 300px;
    flex-shrink: 0;
  }
  .page-contact .channel-list {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact .contact-card {
    min-height: 280px;
  }
  .page-contact .section-chip {
    font-size: 1.75rem;
  }
  .page-contact .chip-number {
    font-size: 2.5rem;
  }
  .page-contact .contact-form {
    grid-template-columns: 1fr 1fr;
    padding: 2rem;
  }
  .page-contact .form-group {
    grid-column: span 1;
  }
  .page-contact .form-group-full {
    grid-column: 1 / -1;
  }
  .page-contact .form-submit {
    grid-column: 1 / -1;
  }
  .page-contact .form-disclaimer {
    grid-column: 1 / -1;
  }
}

/* 大桌面端 ≥ 1024px */
@media (min-width: 1024px) {
  .page-contact {
    padding: 2.5rem 3rem 5rem;
  }
  .page-contact .page-heading {
    font-size: 3.5rem;
  }
  .page-contact .channel-list {
    gap: 2rem;
  }
  .page-contact .card-note {
    font-size: 0.925rem;
  }
}