/* ===== 页面专属样式：page-contact ===== */
.page-contact {
  --contact-hero-gap: 40px;
  --contact-method-min-w: 280px;
  --address-bg-opacity: 0.12;
}

/* 面包屑 */
.page-contact .breadcrumb {
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
  padding: 16px var(--gap, 24px) 8px;
  font-family: var(--font-heading, system-ui, -apple-system, sans-serif);
  font-size: 0.875rem;
  color: var(--text-secondary, #B0BEC5);
  letter-spacing: 0.02em;
}
.page-contact .breadcrumb a {
  color: var(--text-secondary, #B0BEC5);
  text-decoration: none;
  transition: color 0.2s;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--brand, #00C4B4);
  outline: none;
}
.page-contact .breadcrumb-sep {
  margin: 0 8px;
  color: var(--text-secondary, #B0BEC5);
  opacity: 0.5;
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--text-primary, #FFFFFF);
  font-weight: 600;
}

/* ===== 首屏：左右分屏 ===== */
.page-contact .contact-hero {
  padding: 20px var(--gap, 24px) 48px;
  position: relative;
  overflow: hidden;
}
.page-contact .contact-hero-inner {
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--contact-hero-gap, 40px);
  align-items: stretch;
}

/* 左侧 */
.page-contact .contact-left {
  flex: 1 1 45%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.page-contact .contact-headline {
  font-family: var(--font-heading, system-ui, -apple-system, sans-serif);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-primary, #FFFFFF);
  margin: 0 0 24px 0;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
.page-contact .contact-methods {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.page-contact .contact-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 20px;
  background: var(--glass, rgba(255,255,255,0.08));
  border-radius: 12px;
  border: 1px solid var(--glass-border, rgba(255,255,255,0.12));
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  transition: background 0.25s, border-color 0.25s;
}
.page-contact .contact-item:hover {
  background: rgba(255,255,255,0.12);
  border-color: var(--brand, #00C4B4);
}
.page-contact .contact-item-label {
  font-family: var(--font-heading, system-ui, -apple-system, sans-serif);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand, #00C4B4);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.page-contact .contact-item-value {
  font-family: var(--font-data, 'Courier New', monospace);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--text-primary, #FFFFFF);
  text-decoration: none;
  line-height: 1.2;
  word-break: break-all;
  transition: color 0.2s;
}
.page-contact .contact-item-value:hover,
.page-contact .contact-item-value:focus-visible {
  color: var(--accent, #FF6B35);
  outline: none;
}
.page-contact .contact-item-hint {
  font-family: var(--font-body, Georgia, 'Times New Roman', serif);
  font-size: 0.85rem;
  color: var(--text-secondary, #B0BEC5);
  line-height: 1.4;
}
.page-contact .contact-response-note {
  margin-top: 20px;
  padding: 14px 18px;
  background: rgba(255,107,53,0.10);
  border-left: 3px solid var(--accent, #FF6B35);
  border-radius: 0 8px 8px 0;
  font-family: var(--font-body, Georgia, 'Times New Roman', serif);
  font-size: 0.9rem;
  color: var(--text-secondary, #B0BEC5);
  line-height: 1.6;
}

/* 右侧：地址区块 */
.page-contact .contact-right {
  flex: 1 1 45%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.page-contact .contact-address-block {
  position: relative;
  width: 100%;
  max-width: 520px;
  border-radius: 16px;
  overflow: hidden;
  background: var(--bg-secondary, #16213E);
  border: 1px solid var(--glass-border, rgba(255,255,255,0.12));
  min-height: 320px;
  display: flex;
  align-items: flex-end;
}
.page-contact .address-map-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: var(--address-bg-opacity, 0.12);
  mix-blend-mode: screen;
}
.page-contact .address-map-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-contact .address-content {
  position: relative;
  z-index: 1;
  padding: 28px 24px 24px;
  width: 100%;
  background: linear-gradient(transparent 10%, rgba(26,26,46,0.85) 70%);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.page-contact .address-label {
  font-family: var(--font-heading, system-ui, -apple-system, sans-serif);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--brand, #00C4B4);
  text-transform: uppercase;
  letter-spacing: 0.15em;
}
.page-contact .address-text {
  font-family: var(--font-data, 'Courier New', monospace);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--text-primary, #FFFFFF);
  line-height: 1.3;
}
.page-contact .address-hint {
  font-family: var(--font-body, Georgia, 'Times New Roman', serif);
  font-size: 0.8rem;
  color: var(--text-secondary, #B0BEC5);
  line-height: 1.4;
}
.page-contact .copy-btn {
  align-self: flex-start;
  margin-top: 8px;
  padding: 8px 20px;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

/* ===== 图标装饰带 ===== */
.page-contact .contact-icon-strip {
  display: flex;
  justify-content: center;
  gap: 32px;
  padding: 16px var(--gap, 24px) 8px;
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
  opacity: 0.35;
}
.page-contact .icon-strip-item {
  width: 40px;
  height: 40px;
  object-fit: contain;
  display: block;
  filter: brightness(0) invert(1);
}

/* ===== 常见联络事项 ===== */
.page-contact .contact-faq-guide {
  padding: 48px var(--gap, 24px) 56px;
}
.page-contact .faq-guide-heading {
  font-family: var(--font-heading, system-ui, -apple-system, sans-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary, #FFFFFF);
  margin: 0 0 12px 0;
  line-height: 1.2;
}
.page-contact .faq-guide-intro {
  font-family: var(--font-body, Georgia, 'Times New Roman', serif);
  font-size: 1rem;
  color: var(--text-secondary, #B0BEC5);
  line-height: 1.6;
  margin: 0 0 32px 0;
  max-width: 600px;
}
.page-contact .faq-topics-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.page-contact .faq-topic-card {
  padding: 24px 22px;
  border-radius: 12px;
  background: var(--glass, rgba(255,255,255,0.08));
  border: 1px solid var(--glass-border, rgba(255,255,255,0.12));
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: background 0.2s, border-color 0.2s, transform 0.2s;
}
.page-contact .faq-topic-card:hover {
  background: var(--bg-secondary, #16213E);
  border-color: var(--brand, #00C4B4);
  transform: translateY(-2px);
}
.page-contact .topic-icon {
  font-family: var(--font-data, 'Courier New', monospace);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent, #FF6B35);
  line-height: 1;
}
.page-contact .topic-title {
  font-family: var(--font-heading, system-ui, -apple-system, sans-serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary, #FFFFFF);
  margin: 0;
}
.page-contact .topic-desc {
  font-family: var(--font-body, Georgia, 'Times New Roman', serif);
  font-size: 0.9rem;
  color: var(--text-secondary, #B0BEC5);
  line-height: 1.5;
  margin: 0;
}
.page-contact .topic-link {
  font-family: var(--font-heading, system-ui, -apple-system, sans-serif);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--brand, #00C4B4);
  text-decoration: none;
  margin-top: 4px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color 0.2s, gap 0.2s;
}
.page-contact .topic-link:hover,
.page-contact .topic-link:focus-visible {
  color: var(--accent, #FF6B35);
  gap: 10px;
  outline: none;
}

/* ===== 信任声明 ===== */
.page-contact .trust-statement {
  padding: 28px var(--gap, 24px) 40px;
  border-top: 1px solid var(--glass-border, rgba(255,255,255,0.08));
}
.page-contact .trust-statement .section-container {
  max-width: var(--max-w, 1280px);
  margin: 0 auto;
}
.page-contact .trust-statement p {
  font-family: var(--font-body, Georgia, 'Times New Roman', serif);
  font-size: 0.9rem;
  color: var(--text-secondary, #B0BEC5);
  line-height: 1.6;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .page-contact .contact-hero-inner {
    flex-direction: row;
    align-items: center;
  }
  .page-contact .contact-headline {
    font-size: 3rem;
  }
  .page-contact .contact-item-value {
    font-size: 2rem;
  }
  .page-contact .contact-item {
    padding: 20px 28px;
  }
  .page-contact .contact-right {
    justify-content: flex-end;
  }
  .page-contact .contact-address-block {
    min-height: 380px;
  }
  .page-contact .address-text {
    font-size: 1.4rem;
  }

  .page-contact .faq-topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-contact .faq-guide-heading {
    font-size: 2rem;
  }

  .page-contact .contact-icon-strip {
    gap: 48px;
  }
  .page-contact .icon-strip-item {
    width: 48px;
    height: 48px;
  }
}

/* ===== 桌面大屏 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding: 32px var(--gap, 24px) 64px;
  }
  .page-contact .contact-headline {
    font-size: 3.6rem;
  }
  .page-contact .contact-item-value {
    font-size: 2.4rem;
  }
  .page-contact .contact-address-block {
    min-height: 440px;
    max-width: 580px;
  }
  .page-contact .address-text {
    font-size: 1.6rem;
  }
  .page-contact .address-content {
    padding: 32px 32px 28px;
  }

  .page-contact .faq-topics-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-contact .faq-guide-heading {
    font-size: 2.2rem;
  }
  .page-contact .contact-faq-guide {
    padding: 64px var(--gap, 24px) 72px;
  }
}

/* ===== 超大屏 ≥1440px ===== */
@media (min-width: 1440px) {
  .page-contact .contact-headline {
    font-size: 4rem;
  }
  .page-contact .contact-item-value {
    font-size: 2.8rem;
  }
}