.page-contact {
  --contact-card-width: clamp(320px, 42%, 520px);
  --contact-gold-line: 2px solid #FFD700;
  --contact-card-radius: 1rem;
  --contact-bg-glow: rgba(255, 215, 0, 0.06);
  display: block;
  width: 100%;
  max-width: 100%;
  background-color: #1A1A1A;
  color: #B0B0B0;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── Hero 区域 ── */
.page-contact .contact-hero {
  position: relative;
  width: 100%;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1A1A1A 0%, #2E2E2E 60%, #1A1A1A 100%);
  overflow: hidden;
  padding: 2rem 1.5rem;
}
.page-contact .contact-bg-deco {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.12;
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  width: 100%;
}
.page-contact .contact-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: #B0B0B0;
  letter-spacing: 0.02em;
}
.page-contact .contact-breadcrumb a {
  color: #FFD700;
  text-decoration: none;
  transition: opacity 0.2s;
}
.page-contact .contact-breadcrumb a:hover,
.page-contact .contact-breadcrumb a:focus-visible {
  opacity: 0.75;
  outline: 2px solid #FFD700;
  outline-offset: 2px;
}
.page-contact .breadcrumb-sep {
  color: #8B0000;
  font-weight: 700;
}
.page-contact .contact-headline {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 2.8rem;
  color: #FFFFFF;
  margin: 0 0 0.5rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  line-height: 1.15;
}
.page-contact .headline-accent {
  color: #FFD700;
}
.page-contact .contact-subtitle {
  font-size: 1.1rem;
  color: #B0B0B0;
  margin: 0;
  letter-spacing: 0.04em;
}

/* ── 分屏核心区 ── */
.page-contact .contact-split {
  display: flex;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 3rem;
  gap: 2rem;
  align-items: flex-start;
}

/* ── 左侧联系方式卡片 ── */
.page-contact .contact-card-wrapper {
  flex: 1 1 var(--contact-card-width);
  min-width: 280px;
}
.page-contact .contact-card {
  position: relative;
  background: #8B0000;
  border-radius: var(--contact-card-radius);
  padding: 2rem 1.75rem;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 215, 0, 0.2);
  overflow: hidden;
  transition: box-shadow 0.3s ease;
}
.page-contact .contact-card:hover {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.7), 0 0 0 1px #FFD700;
}
.page-contact .contact-card-glow {
  position: absolute;
  top: -30%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.10) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.page-contact .contact-card-title {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 1.5rem;
  color: #FFD700;
  margin: 0 0 1.5rem;
  letter-spacing: 0.03em;
  position: relative;
  z-index: 1;
  border-bottom: 2px solid rgba(255, 215, 0, 0.25);
  padding-bottom: 0.65rem;
}
.page-contact .contact-methods-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  z-index: 1;
}
.page-contact .contact-method-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
}
.page-contact .contact-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-top: 2px;
}
.page-contact .contact-method-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.page-contact .contact-label {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
.page-contact .contact-value {
  font-size: 1.05rem;
  color: #FFFFFF;
  word-break: break-word;
}
.page-contact .contact-mono {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  color: #FFD700;
  text-decoration: none;
  transition: opacity 0.2s;
  border-bottom: 1px solid transparent;
}
.page-contact a.contact-mono:hover,
.page-contact a.contact-mono:focus-visible {
  opacity: 0.8;
  border-bottom-color: #FFD700;
  outline: none;
}
.page-contact .contact-note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  line-height: 1.5;
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(255, 215, 0, 0.2);
  padding-top: 1rem;
}

/* ── 右侧用途说明 ── */
.page-contact .contact-usage-wrapper {
  flex: 1 1 calc(100% - var(--contact-card-width) - 2rem);
  min-width: 300px;
}
.page-contact .contact-usage-title {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 1.8rem;
  color: #FFFFFF;
  margin: 0 0 0.75rem;
  letter-spacing: 0.02em;
}
.page-contact .contact-usage-intro {
  font-size: 1rem;
  color: #B0B0B0;
  margin: 0 0 1.75rem;
  line-height: 1.6;
}
.page-contact .contact-usage-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-contact .contact-usage-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-left: 2px solid #8B0000;
  background: rgba(46, 46, 46, 0.5);
  border-radius: 0 0.5rem 0.5rem 0;
  transition: border-color 0.25s, background 0.25s;
}
.page-contact .contact-usage-item:hover {
  border-left-color: #FFD700;
  background: rgba(46, 46, 46, 0.8);
}
.page-contact .usage-marker {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 1.3rem;
  font-weight: 700;
  color: #FFD700;
  flex-shrink: 0;
  width: 2rem;
  line-height: 1.4;
}
.page-contact .usage-content {
  flex: 1;
}
.page-contact .usage-heading {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 1.1rem;
  color: #FFFFFF;
  margin: 0 0 0.3rem;
  letter-spacing: 0.01em;
}
.page-contact .usage-desc {
  font-size: 0.92rem;
  color: #B0B0B0;
  margin: 0;
  line-height: 1.55;
}
.page-contact .contact-extra-links {
  padding-top: 0.5rem;
  font-size: 0.92rem;
  color: #B0B0B0;
}
.page-contact .contact-extra-links a {
  color: #FFD700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s, opacity 0.2s;
}
.page-contact .contact-extra-links a:hover,
.page-contact .contact-extra-links a:focus-visible {
  border-bottom-color: #FFD700;
  opacity: 0.8;
  outline: none;
}
.page-contact .contact-cta {
  display: inline-block;
  margin-top: 0.75rem;
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 0.95rem;
  color: #FFD700;
  text-decoration: none;
  letter-spacing: 0.03em;
  transition: opacity 0.2s;
}
.page-contact .contact-cta:hover {
  opacity: 0.75;
}

/* ── 信任区域 ── */
.page-contact .contact-trust {
  width: 100%;
  background: #2E2E2E;
  padding: 2rem 1.5rem;
  text-align: center;
}
.page-contact .trust-inner {
  max-width: 700px;
  margin: 0 auto;
}
.page-contact .trust-heading {
  font-family: Impact, 'Arial Black', sans-serif;
  font-size: 1.3rem;
  color: #FFFFFF;
  margin: 0 0 0.5rem;
  letter-spacing: 0.02em;
}
.page-contact .trust-text {
  font-size: 0.95rem;
  color: #B0B0B0;
  margin: 0 0 0.4rem;
}
.page-contact .trust-icp {
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 0.85rem;
  color: #FFD700;
  margin: 0;
  letter-spacing: 0.03em;
}

/* ── 移动端适配 ── */
@media (max-width: 768px) {
  .page-contact .contact-hero {
    min-height: 180px;
    padding: 1.5rem 1rem;
  }
  .page-contact .contact-headline {
    font-size: 2rem;
  }
  .page-contact .contact-subtitle {
    font-size: 0.95rem;
  }
  .page-contact .contact-split {
    flex-direction: column;
    padding: 1.5rem 1rem 2rem;
    gap: 1.5rem;
  }
  .page-contact .contact-card-wrapper {
    flex: 1 1 100%;
    min-width: 0;
  }
  .page-contact .contact-card {
    padding: 1.5rem 1.25rem;
  }
  .page-contact .contact-card-title {
    font-size: 1.3rem;
  }
  .page-contact .contact-value {
    font-size: 0.95rem;
  }
  .page-contact .contact-mono {
    font-size: 1rem;
  }
  .page-contact .contact-usage-wrapper {
    flex: 1 1 100%;
    min-width: 0;
  }
  .page-contact .contact-usage-title {
    font-size: 1.4rem;
  }
  .page-contact .contact-usage-item {
    padding: 0.6rem 0.75rem;
  }
  .page-contact .usage-marker {
    font-size: 1.1rem;
    width: 1.6rem;
  }
  .page-contact .trust-heading {
    font-size: 1.1rem;
  }
}

@media (max-width: 480px) {
  .page-contact .contact-headline {
    font-size: 1.6rem;
  }
  .page-contact .contact-breadcrumb {
    font-size: 0.75rem;
    flex-wrap: wrap;
  }
  .page-contact .contact-card {
    padding: 1.25rem 1rem;
  }
  .page-contact .contact-method-item {
    gap: 0.6rem;
  }
  .page-contact .contact-icon {
    width: 22px;
    height: 22px;
  }
  .page-contact .contact-usage-title {
    font-size: 1.2rem;
  }
}