/* ===== 联系入口页专属样式 ===== */
.page-contact {
  --contact-card-gap: 2rem;
  --contact-icon-size: 80px;
  --contact-border-color: var(--color-gray-light, #cccccc);
  --contact-bg-card: var(--color-white, #ffffff);
  --contact-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  --contact-radius: 6px;
  display: block;
  width: 100%;
  background-color: var(--color-neutral-light, #f5f5f5);
}

/* 容器复用共享 .container，无需重复定义宽度 */

/* 首屏区域 */
.page-contact .contact-hero {
  padding: var(--spacing-xl, 4rem) 0 var(--spacing-lg, 2rem);
  text-align: center;
}

.page-contact .contact-brand-img {
  display: block;
  margin: 0 auto var(--spacing-lg, 2rem);
  max-width: 300px;
  width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: var(--border-radius, 4px);
  background-color: var(--color-white, #ffffff);
  padding: var(--spacing-md, 1rem);
  box-shadow: var(--contact-shadow);
}

.page-contact .contact-title {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--font-size-h1, 3rem);
  font-weight: 700;
  color: var(--color-primary, #1a2a6a);
  margin: 0 0 var(--spacing-sm, 0.5rem);
  letter-spacing: -0.02em;
}

.page-contact .contact-subtitle {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: var(--font-size-body, 1rem);
  color: var(--color-gray-medium, #888888);
  max-width: 560px;
  margin: 0 auto var(--spacing-md, 1rem);
  line-height: 1.6;
}

.page-contact .contact-notice {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: var(--font-size-small, 0.875rem);
  color: var(--color-gray-medium, #888888);
  background-color: var(--color-white, #ffffff);
  display: inline-block;
  padding: var(--spacing-xs, 0.25rem) var(--spacing-md, 1rem);
  border-left: 3px solid var(--color-accent, #ff6600);
  border-radius: 2px;
  margin: 0 auto;
  max-width: 640px;
  line-height: 1.5;
}

/* 卡片网格 */
.page-contact .contact-cards {
  display: flex;
  flex-direction: column;
  gap: var(--contact-card-gap);
  padding-bottom: var(--spacing-xl, 4rem);
}

/* 单个卡片 — 切角设计，大面积留白 */
.page-contact .contact-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-lg, 2rem);
  background-color: var(--contact-bg-card);
  padding: var(--spacing-lg, 2rem);
  border-radius: var(--contact-radius);
  box-shadow: var(--contact-shadow);
  border: 1px solid var(--contact-border-color);
  position: relative;
  /* 斜线切角装饰 — 右下角斜切 */
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: box-shadow var(--transition-base, 0.2s ease-in-out), border-color var(--transition-base, 0.2s ease-in-out);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 24px;
  height: 24px;
  background: linear-gradient(135deg, transparent 50%, var(--color-accent, #ff6600) 50%);
  opacity: 0.15;
  pointer-events: none;
}

.page-contact .contact-card:hover {
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.10);
  border-color: var(--color-accent, #ff6600);
}

.page-contact .contact-card-icon {
  width: var(--contact-icon-size);
  height: var(--contact-icon-size);
  flex-shrink: 0;
  object-fit: contain;
  border-radius: var(--border-radius, 4px);
  background-color: var(--color-neutral-light, #f5f5f5);
  padding: var(--spacing-sm, 0.5rem);
}

.page-contact .contact-card-body {
  flex: 1;
  min-width: 0;
}

.page-contact .contact-card-heading {
  font-family: var(--font-heading, 'Inter', sans-serif);
  font-size: var(--font-size-h3, 1.5rem);
  font-weight: 700;
  color: var(--color-primary, #1a2a6a);
  margin: 0 0 var(--spacing-xs, 0.25rem);
  line-height: 1.3;
}

.page-contact .contact-card-value {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 1.375rem;
  font-weight: 600;
  color: var(--color-accent, #ff6600);
  display: inline-block;
  margin-bottom: var(--spacing-sm, 0.5rem);
  word-break: break-all;
  text-decoration: none;
  transition: color var(--transition-base, 0.2s ease-in-out);
}

.page-contact .contact-card-value:not(.mono) {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-weight: 600;
  color: var(--color-neutral-dark, #1a1a1a);
}

.page-contact a.contact-card-value:hover {
  color: var(--color-accent-hover, #e65c00);
  text-decoration: underline;
}

.page-contact .contact-card-desc {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: var(--font-size-small, 0.875rem);
  color: var(--color-gray-medium, #888888);
  line-height: 1.6;
  margin: 0;
}

/* 底部内链区域 */
.page-contact .contact-faq-link {
  text-align: center;
  padding-bottom: var(--spacing-xl, 4rem);
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: var(--font-size-body, 1rem);
  color: var(--color-gray-medium, #888888);
}

.page-contact .contact-inline-link {
  color: var(--color-accent, #ff6600);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-base, 0.2s ease-in-out), border-color var(--transition-base, 0.2s ease-in-out);
  border-bottom: 1px solid transparent;
}

.page-contact .contact-inline-link:hover {
  color: var(--color-accent-hover, #e65c00);
  border-bottom-color: var(--color-accent-hover, #e65c00);
}

/* ===== 移动端优先适配 ===== */
@media (max-width: 639px) {
  .page-contact .contact-hero {
    padding-top: var(--spacing-lg, 2rem);
    padding-bottom: var(--spacing-md, 1rem);
  }

  .page-contact .contact-title {
    font-size: 2rem;
  }

  .page-contact .contact-subtitle {
    font-size: 0.9375rem;
    padding: 0 var(--spacing-md, 1rem);
  }

  .page-contact .contact-notice {
    font-size: 0.8125rem;
    margin-left: var(--spacing-md, 1rem);
    margin-right: var(--spacing-md, 1rem);
  }

  .page-contact .contact-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--spacing-md, 1rem);
    gap: var(--spacing-md, 1rem);
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  }

  .page-contact .contact-card::after {
    width: 16px;
    height: 16px;
  }

  .page-contact .contact-card-icon {
    width: 60px;
    height: 60px;
  }

  .page-contact .contact-card-value {
    font-size: 1.125rem;
    word-break: break-all;
  }

  .page-contact .contact-card-desc {
    font-size: 0.8125rem;
  }

  .page-contact .contact-faq-link {
    font-size: 0.9375rem;
    padding-left: var(--spacing-md, 1rem);
    padding-right: var(--spacing-md, 1rem);
  }
}

/* 桌面端微调 */
@media (min-width: 640px) {
  .page-contact .contact-cards {
    max-width: 780px;
    margin: 0 auto;
  }

  .page-contact .contact-card {
    padding: var(--spacing-xl, 4rem) var(--spacing-lg, 2rem);
  }

  .page-contact .contact-card-icon {
    width: 80px;
    height: 80px;
  }

  .page-contact .contact-card-value {
    font-size: 1.5rem;
  }
}

/* 大屏留白增强 */
@media (min-width: 1024px) {
  .page-contact .contact-hero {
    padding-top: 5rem;
  }

  .page-contact .contact-cards {
    max-width: 860px;
  }
}