/* ===== 联系通道页专属样式 ===== */
.page-contact {
  --contact-card-bg: linear-gradient(145deg, var(--color-surface-dark), var(--color-primary-dark));
  --contact-border-glow: 0 0 20px rgba(57,255,20,0.08);
  --contact-grid-gap: 2rem;
  --contact-radius: var(--radius-lg);
  color: var(--color-text-primary);
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1.5rem;
  padding-bottom: 0.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.page-contact .breadcrumb-link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-contact .breadcrumb-link:hover {
  color: var(--color-accent);
}
.page-contact .breadcrumb-sep {
  color: var(--color-secondary);
  opacity: 0.5;
}
.page-contact .breadcrumb-current {
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ===== 01 联系信息区 ===== */
.page-contact .contact-info {
  position: relative;
  padding: 2rem 0 3rem;
}
.page-contact .contact-info__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-grid-gap);
  align-items: start;
}
.page-contact .contact-info__card {
  position: relative;
  background: var(--contact-card-bg);
  border: 1px solid rgba(192,192,192,0.15);
  border-radius: var(--contact-radius);
  padding: 2rem 1.5rem;
  box-shadow: var(--contact-border-glow);
  overflow: hidden;
}
.page-contact .contact-info__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--color-accent), transparent);
  opacity: 0.6;
}
.page-contact .contact-info__card .section-number {
  position: absolute;
  top: 1rem;
  right: 1.5rem;
  font-family: var(--font-heading);
  font-size: 4rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.12;
  line-height: 1;
  pointer-events: none;
}
.page-contact .contact-info__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  line-height: 1.2;
}
.page-contact .contact-info__title strong {
  color: var(--color-accent);
}
.page-contact .contact-info__desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 1.75rem;
  max-width: 480px;
}
.page-contact .contact-info__list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 1.75rem;
}
.page-contact .contact-info__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  padding: 0.85rem 1rem;
  background: rgba(13,27,42,0.6);
  border-radius: var(--radius-md);
  border: 1px solid rgba(192,192,192,0.08);
  transition: border-color var(--transition-fast);
}
.page-contact .contact-info__item:hover {
  border-color: rgba(57,255,20,0.2);
}
.page-contact .contact-info__label {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-secondary);
  min-width: 5rem;
}
.page-contact .contact-info__value {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-primary);
  word-break: break-all;
  flex: 1;
  min-width: 0;
}
.page-contact .contact-info__copy {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-accent);
  background: transparent;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.page-contact .contact-info__copy:hover,
.page-contact .contact-info__copy:focus-visible {
  background: var(--color-accent);
  color: var(--color-primary-dark);
  outline: none;
}
.page-contact .contact-info__item--full {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.25rem;
}
.page-contact .contact-info__item--full .contact-info__value {
  font-size: 1rem;
  font-weight: 400;
  font-family: var(--font-body);
  color: var(--color-text-secondary);
}
.page-contact .contact-info__note {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: rgba(57,255,20,0.04);
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
}
.page-contact .contact-info__note svg {
  flex-shrink: 0;
  margin-top: 0.15rem;
  color: var(--color-accent);
}
.page-contact .contact-info__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.page-contact .contact-info__actions .btn--outline {
  background: transparent;
  border: 1px solid rgba(192,192,192,0.3);
  color: var(--color-text-primary);
  padding: 0.6rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition-fast);
}
.page-contact .contact-info__actions .btn--outline:hover,
.page-contact .contact-info__actions .btn--outline:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(57,255,20,0.06);
  outline: none;
}
.page-contact .contact-info__icons {
  margin-top: 1.5rem;
  text-align: center;
}
.page-contact .contact-info__icons-img {
  max-width: 120px;
  height: auto;
  border-radius: var(--radius-sm);
  opacity: 0.7;
}
.page-contact .contact-info__map {
  position: relative;
  border-radius: var(--contact-radius);
  overflow: hidden;
  background: var(--color-primary-dark);
  min-height: 300px;
  border: 1px solid rgba(192,192,192,0.1);
}
.page-contact .contact-info__map-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  min-height: 300px;
  max-height: 500px;
}

/* ===== 02 反馈清单区 ===== */
.page-contact .feedback-list {
  padding: 3rem 0;
  background: linear-gradient(180deg, var(--color-primary-dark), transparent);
}
.page-contact .feedback-list .section-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--color-accent);
  opacity: 0.15;
  line-height: 1;
  margin-bottom: 0.25rem;
}
.page-contact .feedback-list__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}
.page-contact .feedback-list__desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0 0 2rem;
  max-width: 600px;
}
.page-contact .feedback-list__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}
.page-contact .feedback-list__category {
  background: rgba(13,27,42,0.5);
  border: 1px solid rgba(192,192,192,0.08);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.page-contact .feedback-list__category:hover {
  border-color: rgba(57,255,20,0.15);
}
.page-contact .feedback-list__category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  width: 100%;
  padding: 1rem 1.25rem;
  background: transparent;
  border: none;
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}
.page-contact .feedback-list__category-header:hover,
.page-contact .feedback-list__category-header:focus-visible {
  background: rgba(57,255,20,0.04);
  outline: none;
}
.page-contact .feedback-list__category-num {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-accent);
  min-width: 2.2rem;
  opacity: 0.8;
}
.page-contact .feedback-list__category-name {
  flex: 1;
  font-weight: 500;
  letter-spacing: 0.01em;
}
.page-contact .feedback-list__category-icon {
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--color-secondary);
  transition: transform var(--transition-base);
}
.page-contact .feedback-list__category[data-open] .feedback-list__category-icon {
  transform: rotate(45deg);
}
.page-contact .feedback-list__category-body {
  padding: 0 1.25rem 0.5rem;
}
.page-contact .feedback-list__items {
  list-style: none;
  margin: 0;
  padding: 0 0 0.75rem 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.page-contact .feedback-list__items li {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.5;
  position: relative;
}
.page-contact .feedback-list__items li::before {
  content: '—';
  color: var(--color-accent);
  opacity: 0.4;
  position: absolute;
  left: -1.2rem;
}
.page-contact .feedback-list__footer {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem;
  background: rgba(13,27,42,0.4);
  border-radius: var(--radius-md);
  border: 1px solid rgba(192,192,192,0.06);
}
.page-contact .feedback-list__footer p {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0;
  flex: 1;
}
.page-contact .feedback-list__footer .btn--outline {
  background: transparent;
  border: 1px solid rgba(192,192,192,0.25);
  color: var(--color-text-primary);
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-fast);
}
.page-contact .feedback-list__footer .btn--outline:hover,
.page-contact .feedback-list__footer .btn--outline:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: rgba(57,255,20,0.06);
  outline: none;
}

/* ===== 信任声明区 ===== */
.page-contact .contact-trust {
  padding: 1.5rem 0 3rem;
}
.page-contact .contact-trust__text {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  opacity: 0.7;
  text-align: center;
  margin: 0;
  line-height: 1.6;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 768px) {
  .page-contact .contact-info__inner {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .contact-info__card {
    padding: 2.5rem 2rem;
  }
  .page-contact .contact-info__card .section-number {
    font-size: 5rem;
    opacity: 0.15;
  }
  .page-contact .contact-info__title {
    font-size: 2.5rem;
  }
  .page-contact .contact-info__item {
    flex-wrap: nowrap;
    padding: 1rem 1.25rem;
  }
  .page-contact .contact-info__map {
    min-height: 400px;
  }
  .page-contact .feedback-list__grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-contact .feedback-list .section-number {
    font-size: 4.5rem;
  }
  .page-contact .feedback-list__title {
    font-size: 2.5rem;
  }
}

/* ===== 响应式：桌面宽屏 ===== */
@media (min-width: 1024px) {
  .page-contact .contact-info__card {
    padding: 3rem 2.5rem;
  }
  .page-contact .contact-info__title {
    font-size: 2.8rem;
  }
  .page-contact .contact-info__icons-img {
    max-width: 160px;
  }
  .page-contact .feedback-list__grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
  .page-contact .contact-info__map-img {
    min-height: 450px;
  }
}

/* ===== reduced-motion 兼容 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
  .page-contact .feedback-list__category-icon {
    transition: none;
  }
  .page-contact .feedback-list__category[data-open] .feedback-list__category-icon {
    transform: rotate(45deg);
  }
}