/* ===== 页面联系我们 – page-contact ===== */
.page-contact {
  --contact-icon-size: 60px;
  --contact-card-min-height: 400px;
  --contact-border-glow: rgba(46, 196, 182, 0.18);
  --contact-grid-gap: 2.5rem;
  --contact-item-gap: 1.25rem;
  --contact-coop-indent: 2rem;
}

/* 容器 */
.page-contact__inner {
  padding-top: 3rem;
  padding-bottom: 4rem;
}

/* ---- 面包屑 ---- */
.page-contact__breadcrumb {
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  letter-spacing: 0.03em;
  color: var(--color-text-secondary);
}
.page-contact__breadcrumb .breadcrumb__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.page-contact__breadcrumb .breadcrumb__link:hover,
.page-contact__breadcrumb .breadcrumb__link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.page-contact__breadcrumb .breadcrumb__sep {
  margin: 0 0.6em;
  color: var(--color-border);
}
.page-contact__breadcrumb .breadcrumb__current {
  color: var(--color-text);
  font-weight: 700;
}

/* ---- 主标题 ---- */
.page-contact__title {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 900;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 0.25rem;
  line-height: 1.1;
  display: flex;
  align-items: center;
  gap: 0.35em;
}
.page-contact__title-deco {
  font-family: var(--font-mono);
  color: var(--color-data);
  font-size: 0.7em;
  opacity: 0.7;
}
.page-contact__subtitle {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  margin: 0 0 2.5rem;
  padding-left: 0.25rem;
  letter-spacing: 0.08em;
}

/* ---- 双栏网格 ---- */
.page-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--contact-grid-gap);
  align-items: start;
}

/* ---- 卡片通用 ---- */
.page-contact__card {
  background: var(--color-card);
  border: var(--border-thick) solid var(--color-border);
  box-shadow: var(--shadow-strong), inset 0 0 0 1px rgba(255, 255, 255, 0.04);
  padding: 2rem 1.5rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  min-height: var(--contact-card-min-height);
  display: flex;
  flex-direction: column;
}
.page-contact__card:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7), 0 0 0 1px var(--color-data-glow);
  border-color: var(--color-data);
}
.page-contact__card-title {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-accent);
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.page-contact__card-title::before {
  content: "#";
  font-family: var(--font-mono);
  color: var(--color-data);
  font-size: 1.2em;
  opacity: 0.7;
}

/* ---- 分割线 ---- */
.page-contact__divider {
  height: var(--border-thick);
  background: linear-gradient(90deg, var(--color-border) 0%, var(--color-border) 60%, transparent 100%);
  margin-bottom: 1.8rem;
  position: relative;
}
.page-contact__divider::after {
  content: "//";
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-data);
  position: absolute;
  right: 0;
  top: -0.45rem;
  background: var(--color-card);
  padding-left: 0.5rem;
}

/* ---- 联系项 ---- */
.page-contact__item {
  display: flex;
  gap: var(--contact-item-gap);
  align-items: flex-start;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(140, 28, 19, 0.35);
}
.page-contact__item:last-of-type {
  border-bottom: none;
  padding-bottom: 0;
}
.page-contact__icon-wrap {
  flex: 0 0 var(--contact-icon-size);
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  background: rgba(46, 196, 182, 0.08);
  border: 2px solid var(--color-data);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: background var(--transition), border-color var(--transition);
}
.page-contact__icon-wrap--map {
  flex-basis: 120px;
  width: 120px;
  height: 80px;
}
.page-contact__icon {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  max-width: 100%;
}
.page-contact__icon--wide {
  object-fit: cover;
}
.page-contact__item-body {
  flex: 1;
  min-width: 0;
}
.page-contact__item-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-data);
  margin-bottom: 0.15rem;
}
.page-contact__item-value {
  display: block;
  font-family: var(--font-body);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  word-break: break-all;
}
.page-contact__item-note {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  margin: 0.2rem 0 0;
  line-height: 1.4;
}

/* ---- 链接风格 ---- */
.page-contact__link {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}
.page-contact__link:hover,
.page-contact__link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---- 信任声明 ---- */
.page-contact__trust {
  margin-top: auto;
  padding-top: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  border-top: 1px dashed var(--color-border);
}
.page-contact__trust-badge {
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-data);
}

/* ---- 合作咨询内容 ---- */
.page-contact__coop-intro {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--color-text-secondary);
  margin: 0 0 1.8rem;
  padding: 0.5rem 0 0.5rem 1rem;
  border-left: 3px solid var(--color-accent);
}
.page-contact__coop-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-contact__coop-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 0.75rem 0.75rem 0.75rem 0;
  border-bottom: 1px solid rgba(140, 28, 19, 0.2);
  transition: background var(--transition);
}
.page-contact__coop-item:hover {
  background: rgba(244, 162, 97, 0.06);
}
.page-contact__coop-index {
  flex: 0 0 2.8rem;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-data);
  line-height: 1.2;
  letter-spacing: -0.03em;
}
.page-contact__coop-label {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 0.2rem;
}
.page-contact__coop-desc {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.5;
}

/* ---- CTA 区块 ---- */
.page-contact__coop-cta {
  margin-top: auto;
  padding-top: 1.5rem;
  border-top: 2px solid var(--color-border);
}
.page-contact__coop-cta-text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  margin: 0 0 1.2rem;
  line-height: 1.5;
}
.page-contact__coop-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* ---- 按钮 ---- */
.page-contact__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65rem 1.6rem;
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  background: var(--color-primary);
  color: var(--color-text);
  border: 2px solid var(--color-primary);
  transition: background var(--transition), border-color var(--transition), color var(--transition);
  cursor: default;
}
.page-contact__btn:hover,
.page-contact__btn:focus-visible {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-bg);
}
.page-contact__btn--outline {
  background: transparent;
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.page-contact__btn--outline:hover,
.page-contact__btn--outline:focus-visible {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* ---- 底部辅助 ---- */
.page-contact__aside {
  margin-top: 3rem;
  text-align: center;
}
.page-contact__aside-divider {
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
  margin-bottom: 1.5rem;
  opacity: 0.5;
}
.page-contact__aside-text {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  max-width: 660px;
  margin: 0 auto;
  line-height: 1.6;
}

/* ===== 响应式 ===== */

/* 平板及以上 (≥768px) */
@media (min-width: 768px) {
  .page-contact__inner {
    padding-top: 4rem;
    padding-bottom: 5rem;
  }
  .page-contact__card {
    padding: 2.5rem 2rem;
  }
  .page-contact__coop-list {
    gap: 1.5rem;
  }
  .page-contact__coop-item {
    padding: 1rem 1rem 1rem 0;
  }
  .page-contact__icon-wrap--map {
    flex-basis: 140px;
    width: 140px;
    height: 100px;
  }
}

/* 桌面 (≥1024px) — 双栏布局 */
@media (min-width: 1024px) {
  .page-contact__grid {
    grid-template-columns: 1fr 1.3fr;
    gap: 3rem;
  }
  .page-contact__card--contact {
    --contact-card-min-height: 520px;
  }
  .page-contact__card--coop {
    --contact-card-min-height: 520px;
  }
  .page-contact__title {
    font-size: 4rem;
  }
  .page-contact__subtitle {
    font-size: 1.05rem;
    margin-bottom: 3rem;
  }
  .page-contact__item {
    padding: 1.25rem 0;
  }
  .page-contact__coop-intro {
    font-size: 1rem;
    padding-left: 1.25rem;
  }
  .page-contact__coop-item {
    gap: 1.25rem;
  }
  .page-contact__coop-index {
    flex-basis: 3.2rem;
    font-size: 1.5rem;
  }
}

/* 大桌面 (≥1440px) 增加留白 */
@media (min-width: 1440px) {
  .page-contact__inner {
    padding-top: 5rem;
  }
  .page-contact__card {
    padding: 3rem 2.5rem;
  }
  .page-contact__grid {
    gap: 4rem;
  }
}

/* 窄屏额外保护：防止图标溢出 */
@media (max-width: 420px) {
  .page-contact__item {
    flex-wrap: wrap;
  }
  .page-contact__icon-wrap {
    flex-basis: 48px;
    width: 48px;
    height: 48px;
  }
  .page-contact__icon-wrap--map {
    flex-basis: 100%;
    width: 100%;
    height: 120px;
  }
  .page-contact__card {
    padding: 1.25rem 1rem;
  }
  .page-contact__coop-links {
    flex-direction: column;
  }
  .page-contact__btn {
    width: 100%;
    text-align: center;
  }
}