.page-contact {
  --contact-border: #C7C7CC;
  --contact-focus: #007AFF;
  --contact-bg-card: #F5F0EB;
  --contact-accent: #8B4513;
  --contact-mono: 'SF Mono', 'Menlo', 'Cascadia Code', monospace;

  padding: 2rem 0 4rem;
  background: #F5F0EB;
  color: #1C1C1E;
  font-family: 'SF Pro Text', 'PingFang SC', system-ui, sans-serif;
  line-height: 1.6;
}

.page-contact .container {
  max-width: var(--container-max, 1200px);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-family: var(--font-mono, 'SF Mono', monospace);
  color: var(--text-secondary, #636366);
  margin-bottom: 2rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid var(--border, #C7C7CC);
  padding-bottom: 0.75rem;
}

.page-contact .breadcrumb a {
  color: var(--text-secondary, #636366);
  text-decoration: none;
  transition: color 0.2s;
}

.page-contact .breadcrumb a:hover {
  color: var(--state-active, #007AFF);
}

.page-contact .breadcrumb a::after {
  content: '/';
  margin-left: 0.5rem;
  color: var(--border, #C7C7CC);
}

.page-contact .breadcrumb span[aria-current="page"] {
  color: var(--text-primary, #1C1C1E);
  font-weight: 500;
}

/* 联系渠道区 */
.page-contact .contact-channels {
  margin-bottom: 4rem;
}

.page-contact .contact-channels h1 {
  font-family: var(--font-heading, 'SF Pro Display', sans-serif);
  font-weight: 700;
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  margin: 0 0 0.25rem;
  color: #1C1C1E;
  letter-spacing: -0.02em;
}

.page-contact .section-label {
  font-family: var(--font-mono, 'SF Mono', monospace);
  font-size: 0.875rem;
  color: var(--accent-100, #6B8E23);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--accent-100, #6B8E23);
  display: inline-block;
}

.page-contact .channels-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.page-contact .channels-info {
  flex: 1;
}

.page-contact .channels-intro {
  font-size: 1rem;
  color: var(--text-secondary, #636366);
  margin: 0 0 2rem;
  max-width: 36em;
}

.page-contact .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  background: #FFFFFF;
  border: 1px solid var(--contact-border);
  border-radius: 8px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.page-contact .contact-item:hover {
  border-color: var(--state-active, #007AFF);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.page-contact .contact-icon {
  flex-shrink: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.125rem;
  color: var(--accent-300, #8B4513);
  background: var(--contact-bg-card);
  border-radius: 50%;
}

.page-contact .contact-label {
  display: block;
  font-size: 0.75rem;
  font-family: var(--font-mono, 'SF Mono', monospace);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary, #636366);
  margin-bottom: 0.125rem;
}

.page-contact .contact-item a {
  color: var(--state-active, #007AFF);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.page-contact .contact-item a:hover {
  color: var(--accent-400, #D2691E);
}

.page-contact .contact-item span:not(.contact-label):not(.contact-icon) {
  color: var(--text-primary, #1C1C1E);
  font-size: 0.9375rem;
}

.page-contact .contact-note {
  display: block;
  font-size: 0.8125rem;
  color: var(--text-secondary, #636366);
  margin-top: 0.25rem;
  font-style: italic;
}

/* 相关链接 */
.page-contact .contact-related-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border, #C7C7CC);
}

.page-contact .related-label {
  font-size: 0.75rem;
  font-family: var(--font-mono, 'SF Mono', monospace);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-secondary, #636366);
  margin-right: 0.5rem;
}

.page-contact .related-link {
  font-size: 0.875rem;
  color: var(--text-secondary, #636366);
  text-decoration: none;
  padding: 0.375rem 0.875rem;
  border: 1px solid var(--contact-border);
  border-radius: 20px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.page-contact .related-link:hover {
  border-color: var(--state-active, #007AFF);
  color: var(--state-active, #007AFF);
  background: rgba(0,122,255,0.04);
}

/* 地图组件 */
.page-contact .channels-map {
  flex: 1;
  min-width: 0;
}

.page-contact .map-frame {
  border: 2px solid var(--contact-border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.06);
  position: relative;
  background: #FFFFFF;
}

.page-contact .map-frame::before {
  content: '';
  display: block;
  padding-top: 75%;
}

.page-contact .map-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* 反馈区 */
.page-contact .feedback-section {
  padding: 2.5rem 2rem;
  background: #FFFFFF;
  border: 1px solid var(--contact-border);
  border-radius: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}

.page-contact .feedback-header {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1rem;
}

.page-contact .feedback-header .section-number {
  font-family: var(--font-mono, 'SF Mono', monospace);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-100, #6B8E23);
  line-height: 1;
  letter-spacing: -0.04em;
}

.page-contact .feedback-header .section-title {
  font-family: var(--font-heading, 'SF Pro Display', sans-serif);
  font-weight: 700;
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  color: var(--text-primary, #1C1C1E);
  margin: 0;
}

.page-contact .feedback-intro {
  color: var(--text-secondary, #636366);
  font-size: 0.9375rem;
  margin: 0 0 2rem;
  max-width: 40em;
  padding-left: calc(3.5rem);
}

.page-contact .feedback-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: flex-start;
}

.page-contact .feedback-form-container {
  width: 100%;
  max-width: 36rem;
}

.page-contact .form-field {
  margin-bottom: 1.25rem;
}

.page-contact .form-field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-primary, #1C1C1E);
  margin-bottom: 0.375rem;
  letter-spacing: 0.02em;
}

.page-contact .form-input {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-family: var(--font-body, 'SF Pro Text', sans-serif);
  color: var(--text-primary, #1C1C1E);
  background: #FFFFFF;
  border: 1px solid var(--contact-border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
  box-sizing: border-box;
}

.page-contact .form-input:focus {
  border-color: var(--contact-focus, #007AFF);
  box-shadow: 0 0 0 3px rgba(0,122,255,0.12);
}

.page-contact .form-input::placeholder {
  color: var(--text-secondary, #636366);
  opacity: 0.6;
}

.page-contact textarea.form-input {
  resize: vertical;
  min-height: 100px;
  line-height: 1.5;
}

.page-contact .submit-btn {
  margin-top: 0.5rem;
  padding: 0.75rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  background: var(--accent-300, #8B4513);
  color: #FFFFFF;
  border: 1px solid var(--accent-300, #8B4513);
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.25s, border-color 0.25s, transform 0.15s;
  font-family: var(--font-body, 'SF Pro Text', sans-serif);
}

.page-contact .submit-btn:hover {
  background: var(--accent-400, #D2691E);
  border-color: var(--accent-400, #D2691E);
}

.page-contact .submit-btn:active {
  transform: scale(0.98);
}

.page-contact .feedback-decoration {
  width: 100%;
  max-width: 24rem;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--contact-border);
  opacity: 0.7;
  transition: opacity 0.3s;
}

.page-contact .feedback-decoration:hover {
  opacity: 1;
}

.page-contact .feedback-bg-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* 桌面端——媒体查询 */
@media (min-width: 768px) {
  .page-contact {
    padding: 3rem 0 5rem;
  }

  .page-contact .channels-layout {
    flex-direction: row;
    gap: 2.5rem;
  }

  .page-contact .channels-info {
    flex: 0 0 42%;
  }

  .page-contact .channels-map {
    flex: 0 0 54%;
  }

  .page-contact .map-frame::before {
    padding-top: 65%;
  }

  .page-contact .feedback-section {
    padding: 3rem 3rem;
  }

  .page-contact .feedback-content {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.5rem;
  }

  .page-contact .feedback-form-container {
    flex: 0 0 58%;
    max-width: none;
  }

  .page-contact .feedback-decoration {
    flex: 0 0 36%;
    max-width: none;
    margin-top: 0.5rem;
  }

  .page-contact .feedback-intro {
    padding-left: calc(4rem);
  }

  .page-contact .feedback-header .section-number {
    font-size: 3rem;
  }
}

@media (min-width: 1024px) {
  .page-contact .channels-info {
    flex: 0 0 40%;
  }

  .page-contact .channels-map {
    flex: 0 0 56%;
  }

  .page-contact .map-frame::before {
    padding-top: 58%;
  }

  .page-contact .feedback-form-container {
    flex: 0 0 55%;
  }

  .page-contact .feedback-decoration {
    flex: 0 0 38%;
  }
}