.page-privacy {
  --privacy-content-width: 1080px;
  --privacy-toc-width: 220px;
  --privacy-section-gap: 2rem;
  --privacy-number-size: 3.5rem;
  --privacy-hero-gap: 2rem;
  display: block;
  width: 100%;
  max-width: var(--privacy-content-width);
  margin: 0 auto;
  padding: 1rem 1.25rem 3rem;
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.7;
}

/* ── 面包屑 ── */
.privacy-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}
.privacy-breadcrumb a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}
.privacy-breadcrumb a:hover,
.privacy-breadcrumb a:focus {
  opacity: 0.75;
}
.privacy-breadcrumb .icp-sep {
  color: var(--text-secondary);
  opacity: 0.4;
}

/* ── Hero 区 ── */
.privacy-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--privacy-hero-gap);
  margin-bottom: 2.5rem;
  padding: 1.5rem 0 1rem;
}
.privacy-hero-text {
  flex: 1;
}
.privacy-hero-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 2rem;
  letter-spacing: 0.02em;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}
.privacy-hero-meta {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin: 0;
  max-width: 45ch;
}
.privacy-hero-icon {
  width: 100px;
  height: 100px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: var(--radius);
  opacity: 0.9;
}

/* ── 内容布局（目录 + 章节） ── */
.privacy-layout {
  display: block;
  width: 100%;
}

/* ── 目录 ── */
.privacy-toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
}
.privacy-toc-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.05em;
  margin: 0 0 0.75rem;
  color: var(--accent);
}
.privacy-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}
.privacy-toc-list li {
  margin: 0;
  padding: 0;
}
.privacy-toc-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.25rem 0;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), border-color var(--transition);
}
.privacy-toc-link:hover,
.privacy-toc-link:focus {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ── 章节容器 ── */
.privacy-sections {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* ── 单个章节 ── */
.privacy-section {
  padding: 0.5rem 0;
}
.privacy-section-header {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.privacy-section-number {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: var(--privacy-number-size);
  line-height: 1;
  color: var(--secondary);
  opacity: 0.7;
  flex-shrink: 0;
  letter-spacing: -0.02em;
}
.privacy-section-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.5rem;
  margin: 0;
  color: var(--text-primary);
}
.privacy-section-body {
  padding-left: 0;
}
.privacy-section-body p {
  margin: 0 0 0.75rem;
  color: var(--text-secondary);
  max-width: 70ch;
}
.privacy-section-body p:last-child {
  margin-bottom: 0;
}

/* ── 可折叠细节 ── */
.privacy-details {
  margin-top: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(17, 34, 64, 0.5);
  overflow: hidden;
}
.privacy-details-summary {
  cursor: pointer;
  padding: 0.6rem 1rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--accent);
  background: rgba(212, 175, 55, 0.06);
  transition: background var(--transition);
  user-select: none;
}
.privacy-details-summary:hover,
.privacy-details-summary:focus {
  background: rgba(212, 175, 55, 0.12);
}
.privacy-details-summary::-webkit-details-marker {
  color: var(--accent);
}
.privacy-details-content {
  padding: 0.75rem 1rem 1rem;
  font-size: 0.95rem;
  color: var(--text-secondary);
}
.privacy-details-content p {
  margin: 0 0 0.5rem;
}
.privacy-details-content p:last-child {
  margin-bottom: 0;
}

/* ── 装饰分隔线 ── */
.page-privacy .glow-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--secondary), transparent);
  opacity: 0.25;
  margin: 0.25rem 0;
  width: 100%;
}

/* ── 页脚注释 ── */
.privacy-footer-note {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.privacy-footer-note p {
  margin: 0 0 0.5rem;
}
.privacy-footer-note a {
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--transition);
}
.privacy-footer-note a:hover,
.privacy-footer-note a:focus {
  opacity: 0.75;
}
.privacy-footer-note .text-secondary {
  color: var(--text-secondary);
  opacity: 0.7;
}

/* ── 响应式：平板及以上 ── */
@media (min-width: 768px) {
  .page-privacy {
    padding: 2rem 2rem 4rem;
  }
  .privacy-hero-title {
    font-size: 2.8rem;
  }
  .privacy-hero-icon {
    width: 140px;
    height: 140px;
  }
  .privacy-layout {
    display: flex;
    gap: 2.5rem;
    align-items: flex-start;
  }
  .privacy-toc {
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
    width: var(--privacy-toc-width);
    flex-shrink: 0;
    margin-bottom: 0;
    border: none;
    background: transparent;
    padding: 0.5rem 0 0;
  }
  .privacy-toc-list {
    flex-direction: column;
    gap: 0.35rem;
  }
  .privacy-toc-link {
    font-size: 0.9rem;
    padding: 0.35rem 0;
    display: inline-block;
  }
  .privacy-sections {
    flex: 1;
    min-width: 0;
  }
  .privacy-section-number {
    font-size: 4.5rem;
  }
  .privacy-section-title {
    font-size: 1.75rem;
  }
  .privacy-section-body {
    padding-left: 0.25rem;
  }
  .privacy-footer-note {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.75rem;
  }
  .privacy-footer-note p {
    margin: 0;
  }
}

/* ── 桌面大屏 ── */
@media (min-width: 1024px) {
  .page-privacy {
    padding: 3rem 2rem 5rem;
  }
  .privacy-hero-title {
    font-size: 3.2rem;
  }
  .privacy-hero-icon {
    width: 160px;
    height: 160px;
  }
  .privacy-toc {
    width: 240px;
  }
  .privacy-section-number {
    font-size: 5rem;
  }
}