.page-privacy {
  --privacy-band-height: 4px;
  --privacy-num-size: 3.5rem;
  --privacy-hero-padding: 2.5rem 1.25rem;
  --privacy-section-gap: 2rem;
  --privacy-content-max: 800px;

  display: block;
  width: 100%;
  max-width: var(--content-max-width, 1200px);
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  color: var(--color-text-primary, #0B1D3A);
  font-family: var(--font-family, Inter, sans-serif);
  line-height: var(--body-line-height, 1.6);
  background-color: var(--color-background, #F0F4F8);
}

/* breadcrumb */
.privacy-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0 0.25rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary, #4A5568);
  letter-spacing: 0.02em;
}
.privacy-breadcrumb a {
  color: var(--color-accent, #FF6B35);
  text-decoration: none;
  transition: opacity var(--transition-base, 0.25s ease);
}
.privacy-breadcrumb a:hover,
.privacy-breadcrumb a:focus-visible {
  opacity: 0.7;
  outline: 2px solid var(--color-accent, #FF6B35);
  outline-offset: 2px;
  border-radius: 2px;
}
.privacy-breadcrumb-sep {
  color: var(--color-neutral-dark, #2D3748);
  opacity: 0.35;
  user-select: none;
}

/* hero */
.privacy-hero {
  position: relative;
  margin: 0.5rem 0 2rem;
  background-color: var(--color-primary, #0B1D3A);
  border-radius: 0 0 12px 12px;
  overflow: hidden;
}
.privacy-hero-inner {
  position: relative;
  z-index: 2;
  padding: var(--privacy-hero-padding);
  color: var(--color-white, #FFFFFF);
}
.privacy-hero-icon {
  display: block;
  width: 40px;
  height: 40px;
  margin-bottom: 0.75rem;
  color: var(--color-accent, #FF6B35);
}
.privacy-hero-title {
  margin: 0 0 0.5rem;
  font-size: 2rem;
  font-weight: var(--heading-weight, 700);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.privacy-hero-sub {
  margin: 0;
  font-size: 1rem;
  font-weight: 400;
  opacity: 0.85;
  max-width: 32em;
}
.privacy-hero-band {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--privacy-band-height);
  background: var(--color-accent, #FF6B35);
  clip-path: polygon(0 0, 100% 0, calc(100% - 40px) 100%, 0 100%);
  z-index: 3;
}

/* anchor nav */
.privacy-anchor {
  display: flex;
  flex-wrap: nowrap;
  gap: 0.5rem;
  padding: 0.75rem 0 1.5rem;
  margin-bottom: 0.5rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  border-bottom: 1px solid var(--color-neutral-light, #E2E8F0);
}
.privacy-anchor::-webkit-scrollbar {
  display: none;
}
.privacy-anchor-link {
  flex-shrink: 0;
  padding: 0.4rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary, #4A5568);
  background: var(--color-neutral-light, #E2E8F0);
  border-radius: 999px;
  text-decoration: none;
  transition: background var(--transition-base, 0.25s ease),
              color var(--transition-base, 0.25s ease);
  white-space: nowrap;
}
.privacy-anchor-link:hover,
.privacy-anchor-link:focus-visible {
  background: var(--color-accent, #FF6B35);
  color: var(--color-white, #FFFFFF);
  outline: none;
}
.privacy-anchor-link:focus-visible {
  outline: 2px solid var(--color-primary, #0B1D3A);
  outline-offset: 2px;
}

/* sections */
.privacy-section {
  position: relative;
  margin-bottom: var(--privacy-section-gap);
  padding: 0;
}
.privacy-section-band {
  height: var(--privacy-band-height);
  background: var(--color-accent, #FF6B35);
  clip-path: polygon(0 0, 100% 0, calc(100% - 24px) 100%, 0 100%);
  margin-bottom: 1rem;
  width: 100%;
  max-width: 140px;
}
.privacy-section-inner {
  position: relative;
}
.privacy-section-num {
  display: block;
  font-size: var(--privacy-num-size);
  font-weight: 800;
  line-height: 1;
  color: var(--color-primary, #0B1D3A);
  opacity: 0.06;
  margin-bottom: -0.35em;
  pointer-events: none;
  user-select: none;
}
.privacy-section-title {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  font-weight: var(--heading-weight, 700);
  color: var(--color-primary, #0B1D3A);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.privacy-section-body {
  font-size: 0.95rem;
  color: var(--color-text-secondary, #4A5568);
}
.privacy-section-body p {
  margin: 0 0 0.85em;
}
.privacy-section-body p:last-child {
  margin-bottom: 0;
}

/* inline link */
.privacy-inline-link {
  color: var(--color-accent, #FF6B35);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
  font-weight: 600;
  transition: color var(--transition-base, 0.25s ease);
}
.privacy-inline-link:hover,
.privacy-inline-link:focus-visible {
  color: var(--color-accent-light, #FF9A66);
  outline: 2px solid var(--color-accent, #FF6B35);
  outline-offset: 2px;
  border-radius: 2px;
}

/* image block */
.privacy-image-block {
  margin-top: 1.25rem;
  border-radius: 8px;
  overflow: hidden;
  background: var(--color-neutral-light, #E2E8F0);
}
.privacy-image {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 800 / 400;
}

/* contact card */
.privacy-section-contact .privacy-section-inner {
  padding-bottom: 0.5rem;
}
.privacy-contact-card {
  margin: 1rem 0 1.25rem;
  padding: 1.25rem 1.5rem;
  background: var(--color-white, #FFFFFF);
  border-left: 4px solid var(--color-accent, #FF6B35);
  border-radius: 0 8px 8px 0;
  box-shadow: 0 2px 8px rgba(11, 29, 58, 0.06);
}
.privacy-contact-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary, #4A5568);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.35rem;
}
.privacy-contact-email {
  display: inline-block;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-accent, #FF6B35);
  text-decoration: none;
  transition: color var(--transition-base, 0.25s ease);
}
.privacy-contact-email:hover,
.privacy-contact-email:focus-visible {
  color: var(--color-accent-light, #FF9A66);
  outline: 2px solid var(--color-accent, #FF6B35);
  outline-offset: 2px;
  border-radius: 2px;
}
.privacy-contact-note {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-secondary, #4A5568);
}
.privacy-contact-extra {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text-secondary, #4A5568);
}

/* ===== 桌面端增强 ===== */
@media (min-width: 768px) {
  .page-privacy {
    padding: 0 2.5rem 4rem;
  }

  .privacy-breadcrumb {
    padding-top: 1.5rem;
    font-size: 0.875rem;
  }

  .privacy-hero {
    margin: 0.75rem 0 2.5rem;
    border-radius: 0 0 16px 16px;
  }
  .privacy-hero-inner {
    padding: 3.5rem 3rem;
  }
  .privacy-hero-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 1rem;
  }
  .privacy-hero-title {
    font-size: 2.75rem;
  }
  .privacy-hero-sub {
    font-size: 1.125rem;
  }
  .privacy-hero-band {
    height: 6px;
    clip-path: polygon(0 0, 100% 0, calc(100% - 60px) 100%, 0 100%);
  }

  .privacy-anchor {
    gap: 0.75rem;
    padding: 1rem 0 2rem;
    margin-bottom: 0.75rem;
    justify-content: center;
  }
  .privacy-anchor-link {
    font-size: 0.875rem;
    padding: 0.45rem 1.35rem;
  }

  .privacy-section {
    max-width: var(--privacy-content-max);
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 2.75rem;
  }
  .privacy-section-band {
    max-width: 180px;
    height: 5px;
    margin-bottom: 1.25rem;
    clip-path: polygon(0 0, 100% 0, calc(100% - 32px) 100%, 0 100%);
  }
  .privacy-section-num {
    font-size: 4.5rem;
    opacity: 0.05;
  }
  .privacy-section-title {
    font-size: 1.65rem;
    margin-bottom: 1rem;
  }
  .privacy-section-body {
    font-size: 1rem;
  }

  .privacy-image-block {
    margin-top: 1.75rem;
    border-radius: 12px;
  }

  .privacy-contact-card {
    padding: 1.5rem 2rem;
  }
  .privacy-contact-email {
    font-size: 1.2rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy {
    padding: 0 3rem 5rem;
  }
  .privacy-hero-inner {
    padding: 4rem 4rem;
  }
  .privacy-hero-title {
    font-size: 3.25rem;
  }
  .privacy-hero-sub {
    font-size: 1.2rem;
  }
  .privacy-section {
    margin-bottom: 3.5rem;
  }
  .privacy-section-title {
    font-size: 1.85rem;
  }
}