/* ===== 页面专属样式：.page-contact ===== */
.page-contact {
  --contact-card-border: var(--color-helper, #4a7c59);
  --contact-gold: var(--color-gold, #ffd700);
  --contact-accent: var(--color-accent, #39ff14);
  --contact-bg-card: var(--color-bg-secondary, #2a2a2e);
  --contact-text: var(--color-text, #f5f5dc);
  --contact-text-white: var(--color-text-white, #ffffff);
  --contact-mono: var(--font-mono, 'Roboto Condensed', monospace);
  --contact-heading: var(--font-heading, 'Inter', sans-serif);
  --contact-radius: 4px;
  --contact-shadow: 0 2px 12px rgba(0,0,0,0.4);
}

/* ===== 容器 ===== */
.page-contact__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ===== 头部标题带 ===== */
.page-contact__header-band {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--contact-accent);
  border-bottom-color: rgba(57, 255, 20, 0.15);
}
.page-contact__section-index {
  font-family: var(--contact-mono);
  font-size: 1.5rem;
  color: var(--contact-gold);
  letter-spacing: -0.02em;
  line-height: 1.2;
  flex-shrink: 0;
  min-width: 2.8rem;
}
.page-contact__header-text {
  flex: 1;
}
.page-contact__breadcrumb {
  font-size: 0.8rem;
  font-family: var(--contact-mono);
  color: var(--contact-text);
  opacity: 0.6;
  margin: 0 0 0.4rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
}
.page-contact__breadcrumb a {
  color: var(--contact-accent);
  text-decoration: none;
}
.page-contact__breadcrumb a:hover {
  text-decoration: underline;
}
.page-contact__breadcrumb-sep {
  color: var(--contact-gold);
  margin: 0 0.15rem;
}
.page-contact__title {
  font-family: var(--contact-heading);
  font-weight: 800;
  font-size: 2rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--contact-text-white);
  margin: 0;
  text-transform: uppercase;
}
.page-contact__subtitle {
  font-size: 1rem;
  color: var(--contact-text);
  opacity: 0.8;
  margin: 0.3rem 0 0;
  line-height: 1.5;
}

/* ===== 主体双列 ===== */
.page-contact__body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.page-contact__primary-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-contact__secondary-col {
  display: flex;
  flex-direction: column;
}

/* ===== 联系方式卡片 ===== */
.page-contact__card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--contact-bg-card);
  border: 1px solid var(--contact-card-border);
  border-left: 4px solid var(--contact-card-border);
  border-radius: var(--contact-radius);
  box-shadow: var(--contact-shadow);
  transition: border-color 0.25s, box-shadow 0.25s;
  position: relative;
}
.page-contact__card:hover {
  border-color: var(--contact-accent);
  border-left-color: var(--contact-accent);
  box-shadow: 0 4px 20px rgba(57, 255, 20, 0.15);
}
.page-contact__card-index {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  font-size: 0.7rem;
  color: var(--contact-gold);
  opacity: 0.5;
  letter-spacing: -0.02em;
}
.page-contact__card-icon {
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  object-fit: cover;
  border-radius: 2px;
  display: block;
  margin-top: 0.15rem;
}
.page-contact__card-content {
  flex: 1;
  min-width: 0;
}
.page-contact__card-label {
  font-family: var(--contact-heading);
  font-weight: 700;
  font-size: 1rem;
  color: var(--contact-text-white);
  margin: 0 0 0.35rem;
  letter-spacing: -0.01em;
}
.page-contact__card-value {
  font-family: var(--contact-mono);
  font-size: 1.2rem;
  color: var(--contact-accent);
  margin: 0 0 0.5rem;
  word-break: break-all;
  line-height: 1.4;
}
.page-contact__card-note {
  display: block;
  font-size: 0.75rem;
  margin-top: 0.2rem;
  font-style: italic;
}
.page-contact__copy-btn {
  font-family: var(--contact-mono);
  font-size: 0.75rem;
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--contact-accent);
  background: transparent;
  color: var(--contact-accent);
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
  display: inline-block;
  line-height: 1.6;
}
.page-contact__copy-btn:hover,
.page-contact__copy-btn:focus-visible {
  background: var(--contact-accent);
  color: var(--color-bg, #0a192f);
}

/* ===== 用途说明 ===== */
.page-contact__usage-note {
  padding: 1rem 1.25rem;
  background: var(--contact-bg-card);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: var(--contact-radius);
}
.page-contact__usage-title {
  font-family: var(--contact-heading);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--contact-gold);
  margin: 0 0 0.4rem;
}
.page-contact__usage-text {
  font-size: 0.85rem;
  color: var(--contact-text);
  line-height: 1.6;
  margin: 0;
  opacity: 0.85;
}

/* ===== 地图占位 ===== */
.page-contact__map-placeholder {
  background: var(--contact-bg-card);
  border: 1px solid var(--contact-card-border);
  border-radius: var(--contact-radius);
  padding: 1rem;
  text-align: center;
  box-shadow: var(--contact-shadow);
}
.page-contact__map-img {
  max-width: 100%;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 2px;
  display: block;
}
.page-contact__map-label {
  font-family: var(--contact-mono);
  font-size: 0.7rem;
  color: var(--contact-text);
  opacity: 0.5;
  margin: 0.5rem 0 0;
  letter-spacing: 0.04em;
}

/* ===== 咨询与反馈区域 ===== */
.page-contact__faq-preview {
  padding-top: 1.5rem;
  border-top: 1px solid rgba(57, 255, 20, 0.1);
}
.page-contact__faq-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}
.page-contact__faq-index {
  font-size: 1.2rem;
  color: var(--contact-gold);
  letter-spacing: -0.02em;
  line-height: 1.2;
}
.page-contact__faq-title {
  font-family: var(--contact-heading);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--contact-text-white);
  margin: 0;
}
.page-contact__faq-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
.page-contact__faq-item {
  padding: 1rem 1.25rem;
  background: var(--contact-bg-card);
  border: 1px solid rgba(74, 124, 89, 0.3);
  border-radius: var(--contact-radius);
  box-shadow: var(--contact-shadow);
  transition: border-color 0.25s;
}
.page-contact__faq-item:hover {
  border-color: var(--contact-accent);
}
.page-contact__faq-item-title {
  font-family: var(--contact-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--contact-text-white);
  margin: 0 0 0.3rem;
}
.page-contact__faq-item-text {
  font-size: 0.85rem;
  color: var(--contact-text);
  line-height: 1.5;
  margin: 0 0 0.5rem;
  opacity: 0.8;
}
.page-contact__faq-link {
  font-family: var(--contact-mono);
  font-size: 0.75rem;
  color: var(--contact-accent);
  text-decoration: none;
  display: inline-block;
  transition: opacity 0.2s;
}
.page-contact__faq-link:hover {
  opacity: 0.7;
  text-decoration: underline;
}

/* ===== 信任声明 ===== */
.page-contact__trust {
  padding: 1.25rem;
  background: var(--contact-bg-card);
  border: 1px solid rgba(245, 245, 220, 0.08);
  border-radius: var(--contact-radius);
  text-align: center;
  margin-top: 0.5rem;
}
.page-contact__trust-text {
  font-size: 0.8rem;
  color: var(--contact-text);
  opacity: 0.7;
  line-height: 1.5;
  margin: 0 0 0.6rem;
}
.page-contact__trust-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.4rem 0.6rem;
  font-size: 0.75rem;
}
.page-contact__trust-link {
  color: var(--contact-accent);
  text-decoration: none;
  font-family: var(--contact-mono);
}
.page-contact__trust-link:hover {
  text-decoration: underline;
}
.page-contact__trust-link[aria-current="page"] {
  color: var(--contact-gold);
  pointer-events: none;
}
.page-contact__trust-link-sep {
  color: var(--contact-text);
  opacity: 0.3;
}

/* ===== 桌面端 (>768px) ===== */
@media (min-width: 768px) {
  .page-contact__container {
    padding: 2.5rem 2rem 4rem;
    gap: 2.5rem;
  }
  .page-contact__title {
    font-size: 2.6rem;
  }
  .page-contact__body {
    flex-direction: row;
    gap: 2rem;
    align-items: flex-start;
  }
  .page-contact__primary-col {
    flex: 1 1 58%;
    gap: 1.25rem;
  }
  .page-contact__secondary-col {
    flex: 1 1 38%;
    position: sticky;
    top: 2rem;
  }
  .page-contact__faq-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .page-contact__card {
    padding: 1.5rem 1.75rem;
  }
  .page-contact__card-value {
    font-size: 1.4rem;
  }
}

/* ===== 大屏 (>1024px) ===== */
@media (min-width: 1024px) {
  .page-contact__container {
    padding: 3rem 2.5rem 5rem;
  }
  .page-contact__title {
    font-size: 3rem;
  }
  .page-contact__primary-col {
    flex-basis: 60%;
  }
  .page-contact__secondary-col {
    flex-basis: 36%;
  }
}