.page-privacy {
  --privacy-accent-glow: rgba(0, 245, 255, 0.08);
  --privacy-border-light: rgba(42, 74, 127, 0.5);
  --privacy-divider-color: rgba(0, 245, 255, 0.25);
  --privacy-overlay-start: rgba(11, 29, 58, 0.3);
  --privacy-overlay-end: rgba(11, 29, 58, 0.75);
  --privacy-section-radius: 12px;
  --privacy-toc-gap: 1rem;
  color: var(--color-text-primary);
  background-color: var(--color-primary);
  padding: 0 0 4rem 0;
}

/* ── Hero ── */
.page-privacy .privacy-hero {
  position: relative;
  margin-top: calc(-1 * var(--header-brand-height) - var(--nav-height));
  padding-top: calc(var(--header-brand-height) + var(--nav-height));
  overflow: hidden;
  border-bottom: var(--border-thick) solid var(--color-border);
}

.page-privacy .privacy-hero-img {
  display: block;
  width: 100%;
  height: 400px;
  object-fit: cover;
  object-position: center 30%;
  max-width: none;
}

.page-privacy .privacy-hero-overlay {
  position: absolute;
  inset: 0;
  padding: 5rem 2rem 2rem 2rem;
  background: linear-gradient(to bottom, var(--privacy-overlay-start), var(--privacy-overlay-end));
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.page-privacy .privacy-breadcrumb {
  font-family: "Noto Sans SC", sans-serif;
  font-weight: 300;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-breadcrumb a {
  color: var(--color-accent);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.page-privacy .privacy-breadcrumb a:hover,
.page-privacy .privacy-breadcrumb a:focus-visible {
  opacity: 0.7;
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-privacy .privacy-breadcrumb .sep {
  margin: 0 0.5rem;
  color: var(--color-text-secondary);
}

.page-privacy .privacy-title {
  font-family: "Inter", "SF Pro Display", sans-serif;
  font-weight: 800;
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--color-text-primary);
  margin: 0 0 0.5rem 0;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.page-privacy .privacy-subtitle {
  font-family: "Noto Sans SC", sans-serif;
  font-weight: 300;
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 640px;
  margin: 0;
}

/* ── 目录 ── */
.page-privacy .privacy-toc {
  margin-top: 2rem;
  margin-bottom: 3rem;
  padding: 0 1rem;
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--privacy-toc-gap);
  border-left: var(--border-thick) solid var(--color-accent);
  padding-left: 1.5rem;
}

.page-privacy .toc-link {
  font-family: "Inter", "SF Pro Display", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--privacy-border-light);
  border-radius: 4px;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
  display: inline-block;
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  background: var(--privacy-accent-glow);
  border-color: var(--color-accent);
  color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 12px var(--color-shadow);
}

/* ── 段落 ── */
.page-privacy .privacy-section {
  margin-bottom: 2.5rem;
  padding: 0 1rem;
}

.page-privacy .section-inner {
  background: var(--color-surface-glass);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  border: var(--border-thick) solid var(--color-border);
  border-radius: var(--privacy-section-radius);
  padding: 2rem 2.5rem;
  transition: background var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
}

.page-privacy .section-inner:hover {
  background: rgba(11, 29, 58, 0.85);
  box-shadow: inset 0 0 40px var(--privacy-accent-glow);
}

.page-privacy .section-inner:focus-within {
  box-shadow: 0 0 0 3px var(--color-focus), inset 0 0 40px var(--privacy-accent-glow);
}

.page-privacy .section-heading {
  font-family: "Inter", "SF Pro Display", sans-serif;
  font-weight: 700;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin: 0 0 0.75rem 0;
  line-height: 1.2;
}

.page-privacy .section-divider {
  width: 80px;
  height: 3px;
  background: var(--color-accent);
  margin-bottom: 1.5rem;
  border-radius: 2px;
  box-shadow: 0 0 10px var(--color-shadow);
}

.page-privacy .section-body {
  font-family: "Noto Sans SC", sans-serif;
  font-weight: 300;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 780px;
}

.page-privacy .privacy-link {
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 245, 255, 0.3);
  transition: border-color var(--transition-fast);
}

.page-privacy .privacy-link:hover,
.page-privacy .privacy-link:focus-visible {
  border-bottom-color: var(--color-accent);
  outline: none;
}

/* ── 底部附注 ── */
.page-privacy .privacy-footer-note {
  margin-top: 3rem;
  padding: 0 1rem;
}

.page-privacy .note-inner {
  background: var(--color-surface-light);
  border-radius: var(--privacy-section-radius);
  padding: 1.8rem 2.5rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  border: 1px solid var(--privacy-border-light);
}

.page-privacy .note-text {
  font-family: "Noto Sans SC", sans-serif;
  font-weight: 300;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin: 0;
  flex: 1 1 300px;
}

.page-privacy .btn-accent {
  flex-shrink: 0;
  background: transparent;
  border: 2px solid var(--color-accent);
  color: var(--color-accent);
  padding: 0.6rem 1.8rem;
  font-family: "Inter", "SF Pro Display", sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 4px;
  cursor: pointer;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  display: inline-block;
  text-align: center;
}

.page-privacy .btn-accent:hover,
.page-privacy .btn-accent:focus-visible {
  background: rgba(0, 245, 255, 0.12);
  box-shadow: 0 0 20px var(--color-shadow);
  outline: none;
}

/* ── 响应式 ── */
@media (max-width: 768px) {
  .page-privacy {
    padding: 0 0 3rem 0;
  }

  .page-privacy .privacy-hero {
    margin-top: calc(-1 * var(--header-brand-height) - var(--nav-height) + 0px);
  }

  .page-privacy .privacy-hero-img {
    height: 260px;
    object-position: center 20%;
  }

  .page-privacy .privacy-hero-overlay {
    padding: 3rem 1.2rem 1.5rem 1.2rem;
  }

  .page-privacy .privacy-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .page-privacy .privacy-subtitle {
    font-size: 0.95rem;
  }

  .page-privacy .toc-list {
    padding-left: 1rem;
    gap: 0.6rem;
  }

  .page-privacy .toc-link {
    font-size: 0.85rem;
    padding: 0.25rem 0.65rem;
  }

  .page-privacy .section-inner {
    padding: 1.5rem 1.2rem;
  }

  .page-privacy .section-heading {
    font-size: 1.3rem;
  }

  .page-privacy .section-body {
    font-size: 0.95rem;
    line-height: 1.75;
  }

  .page-privacy .note-inner {
    padding: 1.2rem 1.2rem;
    flex-direction: column;
    align-items: stretch;
    text-align: center;
  }

  .page-privacy .note-text {
    font-size: 0.9rem;
  }

  .page-privacy .btn-accent {
    width: 100%;
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  .page-privacy .privacy-hero-img {
    height: 320px;
  }

  .page-privacy .section-inner {
    padding: 1.8rem 2rem;
  }

  .page-privacy .note-inner {
    padding: 1.5rem 2rem;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-section .container,
  .page-privacy .privacy-toc.container,
  .page-privacy .privacy-footer-note.container {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
  }

  .page-privacy .section-inner {
    padding: 2.5rem 3.5rem;
  }
}

/* ── 滚动锚点偏移 ── */
.page-privacy .privacy-section {
  scroll-margin-top: calc(var(--header-brand-height) + var(--nav-height) + 1.5rem);
}