.page-privacy {
  --privacy-sidebar-width: 220px;
  --privacy-sidebar-top: 100px;
  --privacy-icon-size: 50px;
  --privacy-accent-line: 3px;
  --privacy-gap: 40px;
  position: relative;
  color: var(--text-primary);
  background: var(--bg-primary);
}

/* ── 面包屑 ── */
.page-privacy .breadcrumb {
  padding: 16px 0 8px;
  font-size: var(--caption);
  color: var(--text-secondary);
}
.page-privacy .breadcrumb ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-privacy .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-privacy .breadcrumb li + li::before {
  content: "/";
  color: var(--border-subtle);
  font-family: var(--font-mono);
}
.page-privacy .breadcrumb a {
  color: var(--brand-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-privacy .breadcrumb a:hover {
  color: var(--brand-primary);
}
.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--neutral-light);
}

/* ── 页面标题与介绍 ── */
.page-privacy h1 {
  font-family: var(--font-heading);
  font-size: var(--h1);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin: 24px 0 12px;
  padding-bottom: 12px;
  position: relative;
  color: var(--text-primary);
}
.page-privacy h1::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 80px;
  height: var(--privacy-accent-line);
  background: var(--brand-primary);
}
.page-privacy .page-intro {
  font-size: var(--body);
  line-height: 1.75;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 16px 0 40px;
  border-left: 3px solid var(--brand-secondary);
  padding-left: 20px;
}

/* ── 布局：移动端单栏 ── */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--privacy-gap);
}

/* ── 侧边栏 ── */
.page-privacy .privacy-sidebar {
  position: relative;
  width: 100%;
}
.page-privacy .sidebar-sticky {
  position: static;
}
.page-privacy .sidebar-title {
  font-family: var(--font-heading);
  font-size: var(--h3);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--neutral-light);
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}
.page-privacy .sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}
.page-privacy .sidebar-list li {
  margin: 0;
}
.page-privacy .sidebar-list a {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--small);
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 2px;
  transition: all var(--transition-fast);
  background: var(--bg-secondary);
}
.page-privacy .sidebar-list a:hover,
.page-privacy .sidebar-list a:focus {
  color: var(--brand-primary);
  border-color: var(--brand-primary);
  background: var(--bg-accent);
  outline: none;
}

/* ── 内容区 ── */
.page-privacy .privacy-content {
  min-width: 0;
  overflow: hidden;
}
.page-privacy .privacy-content section {
  margin-bottom: 56px;
  scroll-margin-top: 120px;
}
.page-privacy .privacy-content section:last-child {
  margin-bottom: 0;
}

/* ── 章节标题（红色下划线） ── */
.page-privacy .privacy-content h2 {
  font-family: var(--font-heading);
  font-size: var(--h2);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin: 0 0 20px;
  padding-bottom: 10px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
}
.page-privacy .privacy-content h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: var(--privacy-accent-line);
  background: var(--brand-primary);
}
.page-privacy .privacy-content h2 .section-icon {
  width: var(--privacy-icon-size);
  height: var(--privacy-icon-size);
  object-fit: contain;
  flex-shrink: 0;
  display: inline-block;
  border-radius: 2px;
  background: var(--bg-accent);
  padding: 4px;
  border: 1px solid var(--border-subtle);
}

/* ── 正文排版 ── */
.page-privacy .privacy-content p {
  font-size: var(--body);
  line-height: 1.8;
  color: var(--text-secondary);
  margin: 0 0 16px;
  max-width: 700px;
}
.page-privacy .privacy-content ul {
  margin: 0 0 20px;
  padding: 0 0 0 24px;
  list-style: none;
}
.page-privacy .privacy-content ul li {
  position: relative;
  font-size: var(--body);
  line-height: 1.7;
  color: var(--text-secondary);
  padding-left: 20px;
  margin-bottom: 10px;
}
.page-privacy .privacy-content ul li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--brand-primary);
  font-family: var(--font-mono);
}
.page-privacy .privacy-content ul li strong {
  color: var(--neutral-dark);
  font-weight: 700;
}
.page-privacy .privacy-content a {
  color: var(--brand-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  border-bottom: 1px solid transparent;
}
.page-privacy .privacy-content a:hover {
  color: var(--brand-primary);
  border-bottom-color: var(--brand-primary);
}

/* ── 数据保护区块（图文混排） ── */
.page-privacy .protection-block {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}
.page-privacy .protection-text {
  flex: 1;
  min-width: 0;
}
.page-privacy .protection-figure {
  margin: 0;
  flex-shrink: 0;
  width: 100%;
  max-width: 300px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-secondary);
  padding: 8px;
  border-radius: 2px;
}
.page-privacy .protection-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--bg-accent);
}
.page-privacy .protection-figure figcaption {
  margin-top: 8px;
  text-align: center;
  color: var(--text-secondary);
}

/* ── 工具提示 ── */
.page-privacy .tooltip-trigger {
  position: relative;
  cursor: help;
  color: var(--brand-primary);
  border-bottom: 1px dashed var(--brand-primary);
  font-style: normal;
  transition: color var(--transition-fast);
}
.page-privacy .tooltip-trigger:hover {
  color: var(--neutral-dark);
}
.page-privacy .tooltip-trigger[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) scale(0.96);
  opacity: 0;
  pointer-events: none;
  background: var(--bg-accent);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 2px;
  font-size: var(--caption);
  line-height: 1.5;
  white-space: normal;
  max-width: 260px;
  width: max-content;
  box-shadow: var(--shadow);
  border: 1px solid var(--border-subtle);
  font-family: var(--font-body);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
  z-index: 200;
}
.page-privacy .tooltip-trigger[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* ── 辅助文本 ── */
.page-privacy .text-secondary {
  color: var(--text-secondary);
}
.page-privacy .small {
  font-size: var(--caption);
}

/* ── 响应式：桌面端 ── */
@media (min-width: 768px) {
  .page-privacy {
    --privacy-gap: 52px;
  }
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-sidebar-width) 1fr;
    gap: var(--privacy-gap);
    align-items: start;
  }
  .page-privacy .privacy-sidebar {
    position: relative;
  }
  .page-privacy .sidebar-sticky {
    position: sticky;
    top: var(--privacy-sidebar-top);
  }
  .page-privacy .sidebar-list {
    flex-direction: column;
    gap: 4px;
  }
  .page-privacy .sidebar-list a {
    display: block;
    padding: 8px 16px;
    border: none;
    border-left: 3px solid var(--border-subtle);
    background: transparent;
    border-radius: 0;
    transition: all var(--transition-fast);
  }
  .page-privacy .sidebar-list a:hover,
  .page-privacy .sidebar-list a:focus {
    border-left-color: var(--brand-primary);
    color: var(--brand-primary);
    background: transparent;
  }
  .page-privacy .protection-block {
    flex-direction: row;
    align-items: flex-start;
  }
  .page-privacy .protection-figure {
    width: 300px;
    margin-left: auto;
  }
  .page-privacy .privacy-content h2 {
    font-size: calc(var(--h2) * 1.05);
  }
}

@media (min-width: 1024px) {
  .page-privacy {
    --privacy-sidebar-width: 240px;
    --privacy-gap: 64px;
  }
  .page-privacy .privacy-content {
    max-width: 860px;
  }
  .page-privacy .privacy-content p,
  .page-privacy .privacy-content ul {
    max-width: 740px;
  }
}

.page-privacy {
  --body: 1rem;
  --caption: 1rem;
  --h1: 1rem;
  --h2: 1rem;
  --h3: 1rem;
  --small: 1rem;
}