/* ===== 页面专属: 服务联络 ===== */
.page-contact {
  --contact-bg: #F5F2ED;
  --contact-card-bg: rgba(255, 255, 255, 0.18);
  --contact-card-bg-hover: rgba(255, 255, 255, 0.32);
  --contact-border-email: #F5A623;
  --contact-border-phone: #D32F2F;
  --contact-border-address: #1A3B5C;
  --contact-label-email: #F5A623;
  --contact-label-phone: #D32F2F;
  --contact-label-address: #1A3B5C;
  --contact-text-dark: #1A1A1A;
  --contact-text-muted: #5A5A5A;
  --contact-radius: 12px;
  --contact-label-w: 44px;
  --contact-gap: 1.5rem;
  --contact-max-w: 1120px;
  --contact-transition: 0.32s cubic-bezier(0.22, 0.61, 0.36, 1);

  display: block;
  width: 100%;
  background-color: var(--contact-bg);
  color: var(--contact-text-dark);
  font-family: var(--font-body, 'Noto Serif SC', serif);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 容器 */
.contact-container {
  max-width: var(--contact-max-w);
  margin: 0 auto;
  padding: 2rem 1.25rem 3.5rem;
}

/* ---- 标题区 ---- */
.contact-hero {
  margin-bottom: 2.5rem;
}

.contact-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-accent, 'Noto Sans SC', sans-serif);
  font-size: var(--size-small, 0.75rem);
  letter-spacing: 0.06em;
  color: var(--contact-text-muted);
  margin-bottom: 0.75rem;
}

.contact-breadcrumb a {
  color: var(--color-primary, #1A3B5C);
  text-decoration: none;
  transition: color var(--contact-transition);
}

.contact-breadcrumb a:hover {
  color: var(--color-accent-gold, #F5A623);
}

.contact-breadcrumb__sep {
  margin: 0 0.15rem;
  opacity: 0.5;
}

.contact-title {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-size: var(--size-title, 2.5rem);
  font-weight: 700;
  color: var(--color-primary, #1A3B5C);
  line-height: 1.15;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
}

.contact-intro {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 1.05rem;
  color: var(--contact-text-muted);
  margin: 0;
  max-width: 36em;
}

/* ---- 卡片网格 ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-gap);
  margin-bottom: var(--contact-gap);
}

/* ---- 联系卡片 ---- */
.contact-card {
  display: flex;
  background: var(--contact-card-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 2px solid var(--color-border-subtle, #D1CEC6);
  border-radius: var(--contact-radius);
  overflow: hidden;
  transition: background var(--contact-transition), border-color var(--contact-transition), box-shadow var(--contact-transition);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  min-height: 200px;
}

.contact-card:hover {
  background: var(--contact-card-bg-hover);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.07);
}

/* 卡片标签（左侧竖排） */
.contact-card__label {
  flex: 0 0 var(--contact-label-w);
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  text-orientation: upright;
  letter-spacing: 0.12em;
  font-family: var(--font-accent, 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  font-weight: 500;
  color: #fff;
  padding: 0.75rem 0;
  user-select: none;
  transition: background var(--contact-transition);
}

.contact-card__label-text {
  display: inline-block;
  line-height: 1.2;
}

/* 各卡片标签颜色 */
.contact-card--email .contact-card__label {
  background: var(--contact-label-email);
}

.contact-card--phone .contact-card__label {
  background: var(--contact-label-phone);
}

.contact-card--address .contact-card__label {
  background: var(--contact-label-address);
}

/* 边框悬停颜色 */
.contact-card--email:hover {
  border-color: var(--contact-border-email);
}

.contact-card--phone:hover {
  border-color: var(--contact-border-phone);
}

.contact-card--address:hover {
  border-color: var(--contact-border-address);
}

/* 卡片主体 */
.contact-card__body {
  flex: 1;
  padding: 1.5rem 1.5rem 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.contact-card__icon {
  width: 44px;
  height: 44px;
  object-fit: contain;
  border-radius: 6px;
  flex-shrink: 0;
  margin-bottom: 0.2rem;
  opacity: 0.85;
  transition: opacity var(--contact-transition), transform var(--contact-transition);
}

.contact-card:hover .contact-card__icon {
  opacity: 1;
  transform: scale(1.04);
}

.contact-card__icon--svg {
  color: var(--color-primary, #1A3B5C);
  opacity: 0.7;
}

.contact-card:hover .contact-card__icon--svg {
  opacity: 1;
}

.contact-card__heading {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary, #1A3B5C);
  margin: 0;
  line-height: 1.3;
}

.contact-card__link {
  font-family: var(--font-accent, 'Noto Sans SC', sans-serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-accent-red, #D32F2F);
  text-decoration: none;
  word-break: break-all;
  transition: color var(--contact-transition);
  display: inline-block;
}

.contact-card__link--mail:hover {
  color: var(--color-accent-gold, #F5A623);
  text-decoration: underline;
}

.contact-card__value {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary, #1A3B5C);
  margin: 0;
  line-height: 1.4;
}

.contact-card__desc {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 0.88rem;
  color: var(--contact-text-muted);
  margin: 0.1rem 0 0;
  line-height: 1.5;
}

.contact-card__desc strong {
  color: var(--color-accent-red, #D32F2F);
  font-weight: 600;
}

.contact-card__desc--subtle {
  font-size: 0.8rem;
  opacity: 0.72;
}

/* ---- 联系说明卡片 ---- */
.contact-note-card {
  background: var(--contact-card-bg);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 2px solid var(--color-border-subtle, #D1CEC6);
  border-radius: var(--contact-radius);
  padding: 1.75rem 1.5rem;
  margin-bottom: var(--contact-gap);
  transition: background var(--contact-transition), border-color var(--contact-transition);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.contact-note-card:hover {
  background: var(--contact-card-bg-hover);
  border-color: var(--color-primary, #1A3B5C);
}

.contact-note-card__heading {
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary, #1A3B5C);
  margin: 0 0 0.6rem;
}

.contact-note-card__text {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 0.95rem;
  color: var(--contact-text-dark);
  line-height: 1.7;
  margin: 0;
  max-width: 52em;
}

.contact-note-card__link {
  color: var(--color-accent-red, #D32F2F);
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 500;
  transition: color var(--contact-transition);
}

.contact-note-card__link:hover {
  color: var(--color-accent-gold, #F5A623);
}

/* ---- 辅助导航 ---- */
.contact-aux {
  border-top: 2px solid var(--color-border-subtle, #D1CEC6);
  padding-top: 2rem;
  margin-top: 0.5rem;
}

.contact-aux__title {
  font-family: var(--font-accent, 'Noto Sans SC', sans-serif);
  font-size: var(--size-small, 0.75rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--contact-text-muted);
  margin: 0 0 1rem;
}

.contact-aux__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}

.contact-aux__item {
  margin: 0;
}

.contact-aux__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.3rem;
  font-family: var(--font-heading, 'Noto Sans SC', sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-primary, #1A3B5C);
  text-decoration: none;
  padding: 0.3rem 0;
  transition: color var(--contact-transition);
  border-bottom: 2px solid transparent;
}

.contact-aux__link:hover {
  color: var(--color-accent-gold, #F5A623);
  border-bottom-color: currentColor;
}

.contact-aux__link-label {
  flex-shrink: 0;
}

.contact-aux__link-arrow {
  font-size: 0.85rem;
  opacity: 0.5;
  transition: transform var(--contact-transition);
}

.contact-aux__link:hover .contact-aux__link-arrow {
  transform: translateX(4px);
  opacity: 1;
}

.contact-aux__link-desc {
  font-family: var(--font-body, 'Noto Serif SC', serif);
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--contact-text-muted);
  margin-left: 0.2rem;
}

/* ---- 滚动显现动画 ---- */
.contact-card,
.contact-note-card {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease, background var(--contact-transition), border-color var(--contact-transition), box-shadow var(--contact-transition);
}

.contact-card[data-revealed],
.contact-note-card[data-revealed] {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 响应式 ===== */
/* 平板 ≥ 640px */
@media (min-width: 640px) {
  .contact-container {
    padding: 2.5rem 2rem 4.5rem;
  }

  .contact-title {
    font-size: 3rem;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr;
  }

  .contact-card--address {
    grid-column: 1 / -1;
  }

  .contact-card__body {
    padding: 1.75rem 2rem 1.75rem 1.5rem;
  }

  .contact-card__icon {
    width: 52px;
    height: 52px;
  }

  .contact-note-card {
    padding: 2rem 2.25rem;
  }
}

/* 桌面 ≥ 960px */
@media (min-width: 960px) {
  .contact-container {
    padding: 3rem 2.5rem 5rem;
  }

  .contact-hero {
    margin-bottom: 3rem;
  }

  .contact-title {
    font-size: 3.5rem;
  }

  .contact-intro {
    font-size: 1.1rem;
  }

  .contact-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }

  .contact-card--address {
    grid-column: auto;
  }

  .contact-card__label {
    flex-basis: 52px;
    font-size: 1.05rem;
  }

  .contact-card__body {
    padding: 2rem 2rem 2rem 1.75rem;
  }

  .contact-card__icon {
    width: 56px;
    height: 56px;
  }

  .contact-card__heading {
    font-size: 1.2rem;
  }

  .contact-aux__list {
    gap: 1rem 2.5rem;
  }

  .contact-aux__link {
    font-size: 1.05rem;
  }
}

/* 大桌面 ≥ 1200px 保持最大宽度居中 */
@media (min-width: 1200px) {
  .contact-container {
    padding: 3.5rem 2.5rem 6rem;
  }
}

/* ===== 可访问性 ===== */
@media (prefers-reduced-motion: reduce) {
  .contact-card,
  .contact-note-card {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .contact-card__icon,
  .contact-card__link,
  .contact-aux__link {
    transition: none;
  }

  .contact-aux__link:hover .contact-aux__link-arrow {
    transform: none;
  }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
  .contact-card {
    border-width: 3px;
  }

  .contact-card__label {
    background: var(--color-primary, #1A3B5C) !important;
  }

  .contact-card__link {
    text-decoration: underline;
  }

  .contact-card__desc--subtle {
    opacity: 1;
    color: var(--contact-text-dark);
  }
}