/* ===== 页面专属：联系入口 ===== */
.page-contact {
  --contact-max-width: 820px;
  --contact-card-gap: var(--spacing-lg, 3rem);
  --contact-icon-size: 48px;
  --contact-accent-line: 4px;

  background-color: var(--clr-secondary-bg, #FFFFFF);
  color: var(--clr-secondary-text, #1A1A1A);
  padding: var(--spacing-md, 2rem) var(--spacing-sm, 1rem) var(--spacing-xl, 5rem);
  font-family: var(--font-body, 'Merriweather', Georgia, serif);
  line-height: 1.6;
}

/* 面包屑 */
.page-contact .breadcrumb {
  max-width: var(--contact-max-width);
  margin: 0 auto var(--spacing-md, 2rem);
  font-size: var(--spacing-xs, 0.5rem);
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-weight: 500;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  color: rgba(26, 26, 26, 0.55);
}

.page-contact .breadcrumb a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--clr-accent, #F28C28);
}

.page-contact .breadcrumb .sep {
  color: rgba(26, 26, 26, 0.3);
  font-size: 0.75rem;
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--clr-secondary-text, #1A1A1A);
  font-weight: 600;
}

/* 标题区 */
.page-contact .contact-header {
  max-width: var(--contact-max-width);
  margin: 0 auto var(--spacing-lg, 3rem);
}

.page-contact .contact-header__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: clamp(2.2rem, 6vw, 3.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--clr-secondary-text, #1A1A1A);
  margin: 0 0 var(--spacing-xs, 0.5rem);
  position: relative;
  display: inline-block;
}

.page-contact .contact-header__title::after {
  content: '';
  position: absolute;
  bottom: -0.3rem;
  left: 0;
  width: 3.2rem;
  height: var(--contact-accent-line);
  background-color: var(--clr-accent, #F28C28);
  border-radius: 2px;
}

.page-contact .contact-header__desc {
  font-size: 1.05rem;
  color: rgba(26, 26, 26, 0.7);
  max-width: 640px;
  margin-top: var(--spacing-md, 2rem);
  line-height: 1.7;
}

/* 卡片容器 */
.page-contact .contact-cards {
  max-width: var(--contact-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--contact-card-gap);
}

/* 单个卡片 */
.page-contact .contact-card {
  background-color: var(--clr-secondary-bg, #FFFFFF);
  border: 1px solid var(--clr-card-border, #2A2A2A);
  border-radius: var(--radius-md, 8px);
  padding: var(--spacing-md, 2rem);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm, 1rem);
  position: relative;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
  transition: box-shadow 0.25s;
}

.page-contact .contact-card:hover {
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
}

/* 印刷边框装饰——左上角 */
.page-contact .contact-card::before {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  width: 28px;
  height: 28px;
  border-top: 3px solid var(--clr-accent, #F28C28);
  border-left: 3px solid var(--clr-accent, #F28C28);
  border-radius: var(--radius-md, 8px) 0 0 0;
  opacity: 0.5;
  pointer-events: none;
}

/* 图标 */
.page-contact .contact-card__icon {
  flex-shrink: 0;
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  color: var(--clr-accent, #F28C28);
  display: flex;
  align-items: center;
  justify-content: center;
}

.page-contact .contact-card__icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* 内容区 */
.page-contact .contact-card__body {
  flex: 1;
  min-width: 0;
}

.page-contact .contact-card__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--clr-secondary-text, #1A1A1A);
  margin: 0 0 0.4rem;
  line-height: 1.3;
}

.page-contact .contact-card__value {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--clr-secondary-text, #1A1A1A);
  margin: 0 0 0.3rem;
  word-break: break-all;
}

.page-contact .contact-card__link {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.page-contact .contact-card__link:hover,
.page-contact .contact-card__link:focus-visible {
  color: var(--clr-accent, #F28C28);
  border-bottom-color: var(--clr-accent, #F28C28);
}

.page-contact .contact-card__note {
  font-size: 0.9rem;
  color: rgba(26, 26, 26, 0.6);
  margin: 0.2rem 0 0;
  line-height: 1.5;
}

.page-contact .contact-card__note--muted {
  font-size: 0.82rem;
  color: rgba(26, 26, 26, 0.45);
  font-style: italic;
}

.page-contact .contact-card__desc {
  font-size: 1rem;
  color: rgba(26, 26, 26, 0.75);
  line-height: 1.7;
  margin: 0.2rem 0 0;
}

/* 地图卡片：额外布局 */
.page-contact .contact-card--map {
  flex-direction: column;
}

.page-contact .contact-card__map {
  width: 100%;
  border-radius: var(--radius-sm, 4px);
  overflow: hidden;
  border: 1px solid rgba(42, 42, 42, 0.12);
}

.page-contact .contact-card__map-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* 高亮卡片（联系说明） */
.page-contact .contact-card--highlight {
  border-left: var(--contact-accent-line) solid var(--clr-accent, #F28C28);
  background-color: rgba(242, 140, 40, 0.03);
}

.page-contact .contact-card--highlight .contact-card__title {
  color: var(--clr-accent, #F28C28);
}

/* 底部链接区 */
.page-contact .contact-links {
  max-width: var(--contact-max-width);
  margin: var(--spacing-xl, 5rem) auto 0;
  padding-top: var(--spacing-lg, 3rem);
  border-top: 1px solid rgba(42, 42, 42, 0.12);
}

.page-contact .contact-links__title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--clr-secondary-text, #1A1A1A);
  margin: 0 0 var(--spacing-sm, 1rem);
  text-align: center;
}

.page-contact .contact-links__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-xs, 0.5rem);
}

/* 按钮复用（限定作用域） */
.page-contact .btn--outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--clr-secondary-text, #1A1A1A);
  background-color: transparent;
  border: 1.5px solid var(--clr-card-border, #2A2A2A);
  border-radius: var(--radius-full, 9999px);
  text-decoration: none;
  transition: all 0.2s;
  white-space: nowrap;
}

.page-contact .btn--outline:hover,
.page-contact .btn--outline:focus-visible {
  color: var(--clr-accent, #F28C28);
  border-color: var(--clr-accent, #F28C28);
  background-color: rgba(242, 140, 40, 0.05);
}

/* ===== 响应式 ≥ 640px ===== */
@media (min-width: 640px) {
  .page-contact {
    padding: var(--spacing-lg, 3rem) var(--spacing-md, 2rem) var(--spacing-xl, 5rem);
  }

  .page-contact .contact-card {
    flex-direction: row;
    align-items: flex-start;
    padding: var(--spacing-lg, 3rem);
  }

  .page-contact .contact-card__icon {
    margin-top: 0.1rem;
  }

  .page-contact .contact-card__value {
    font-size: 1.65rem;
  }

  .page-contact .contact-card--map {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--spacing-md, 2rem);
  }

  .page-contact .contact-card__map {
    width: 280px;
    flex-shrink: 0;
  }

  .page-contact .contact-card__map-img {
    aspect-ratio: 4 / 3;
    height: auto;
  }

  .page-contact .contact-links__grid {
    gap: var(--spacing-sm, 1rem);
  }
}

/* ===== 响应式 ≥ 960px ===== */
@media (min-width: 960px) {
  .page-contact {
    padding: var(--spacing-lg, 3rem) var(--spacing-md, 2rem) var(--spacing-xl, 5rem);
  }

  .page-contact .contact-header__title {
    font-size: 3.2rem;
  }

  .page-contact .contact-card__map {
    width: 320px;
  }

  .page-contact .contact-card__value {
    font-size: 1.8rem;
  }
}