.page-privacy {
  --pp-sidebar-width: 240px;
  --pp-num-size: 2.25rem;
  --pp-divider-color: var(--color-border-subtle);
  --pp-accent: var(--color-brand-accent);
  --pp-num-bg: var(--color-brand-accent);
  --pp-num-fg: #ffffff;
  --pp-link-hover: var(--color-accent-secondary);
  --pp-section-gap: var(--space-xl);
  --pp-text-max-width: 68ch;

  display: block;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: calc(var(--header-total, 6rem) + var(--space-lg)) var(--space-md) var(--space-2xl);
  color: var(--color-primary-fg, #ffffff);
  background-color: var(--color-primary-bg, #0a0a0a);
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--size-body, 1rem);
  line-height: 1.7;
}

/* ===== 面包屑 ===== */
.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--size-small, 0.875rem);
  color: var(--color-neutral-gray, #b0b0b0);
  border-bottom: var(--border-thin, 1px solid #2c2c2c);
}

.page-privacy .breadcrumb a {
  color: var(--color-neutral-gray, #b0b0b0);
  text-decoration: none;
  transition: color var(--transition-fast, 150ms ease);
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--pp-accent, #d32f2f);
}

.page-privacy .breadcrumb__sep {
  color: var(--pp-divider-color, #2c2c2c);
  user-select: none;
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--color-primary-fg, #ffffff);
}

/* ===== 页面头部 ===== */
.page-privacy .pp-header {
  margin-bottom: var(--space-2xl);
}

.page-privacy .pp-header__inner {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.page-privacy .pp-header__text {
  flex: 1 1 320px;
}

.page-privacy .pp-header__title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-size: var(--size-h1, 3.5rem);
  font-weight: 700;
  line-height: 1.1;
  margin: 0 0 var(--space-sm);
  text-transform: uppercase;
  letter-spacing: -0.02em;
  color: var(--color-primary-fg, #ffffff);
}

.page-privacy .pp-header__subtitle {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--size-h4, 1.5rem);
  font-weight: 400;
  color: var(--pp-accent, #d32f2f);
  margin: 0 0 var(--space-md);
  letter-spacing: 0.05em;
}

.page-privacy .pp-header__desc {
  font-size: var(--size-body, 1rem);
  max-width: var(--pp-text-max-width);
  color: var(--color-neutral-gray, #b0b0b0);
  margin: 0;
}

.page-privacy .pp-header__visual {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
}

.page-privacy .pp-header__shield {
  display: block;
  width: 200px;
  height: 200px;
  object-fit: contain;
  border-radius: 4px;
  background-color: var(--color-surface-dark, #121212);
  border: 1px solid var(--pp-divider-color, #2c2c2c);
  transition: border-color var(--transition-fast, 150ms ease);
}

.page-privacy .pp-header__shield:hover {
  border-color: var(--pp-accent, #d32f2f);
}

.page-privacy .pp-header__deco-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--pp-accent, #d32f2f), transparent);
  margin-top: var(--space-xs);
}

/* ===== 双栏布局 ===== */
.page-privacy .pp-layout {
  display: flex;
  gap: var(--space-xl);
  align-items: flex-start;
}

.page-privacy .pp-sidebar {
  flex: 0 0 var(--pp-sidebar-width);
  position: sticky;
  top: calc(var(--header-total, 6rem) + var(--space-md));
  padding: var(--space-md);
  background-color: var(--color-surface-dark, #121212);
  border: var(--border-thin, 1px solid #2c2c2c);
  border-radius: 4px;
}

.page-privacy .pp-sidebar__label {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--size-small, 0.875rem);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--pp-accent, #d32f2f);
  margin: 0 0 var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: var(--border-thin, 1px solid #2c2c2c);
}

.page-privacy .pp-sidebar__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.page-privacy .pp-sidebar__link {
  display: block;
  padding: var(--space-sm) var(--space-sm);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--size-small, 0.875rem);
  color: var(--color-neutral-gray, #b0b0b0);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color var(--transition-fast, 150ms ease), border-color var(--transition-fast, 150ms ease), background-color var(--transition-fast, 150ms ease);
  border-radius: 2px;
}

.page-privacy .pp-sidebar__link:hover,
.page-privacy .pp-sidebar__link:focus-visible {
  color: var(--color-primary-fg, #ffffff);
  border-left-color: var(--pp-accent, #d32f2f);
  background-color: rgba(211, 47, 47, 0.08);
}

.page-privacy .pp-sidebar__link:focus-visible {
  outline: 2px solid var(--pp-accent, #d32f2f);
  outline-offset: 2px;
}

/* ===== 主内容区 ===== */
.page-privacy .pp-content {
  flex: 1 1 0;
  min-width: 0;
}

/* ===== 章节 ===== */
.page-privacy .pp-section {
  display: flex;
  gap: var(--space-lg);
  scroll-margin-top: calc(var(--header-total, 6rem) + var(--space-lg));
}

.page-privacy .pp-section__num {
  flex: 0 0 auto;
  width: var(--pp-num-size);
  height: var(--pp-num-size);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--size-h4, 1.5rem);
  font-weight: 700;
  color: var(--pp-num-fg, #ffffff);
  background-color: var(--pp-num-bg, #d32f2f);
  border-radius: 2px;
  line-height: 1;
  margin-top: 0.1em;
  position: relative;
  cursor: help;
  transition: transform var(--transition-fast, 150ms ease), box-shadow var(--transition-fast, 150ms ease);
}

.page-privacy .pp-section__num::after {
  content: attr(data-label);
  position: absolute;
  left: calc(100% + var(--space-sm));
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-family: var(--font-body, 'Inter', sans-serif);
  font-size: var(--size-small, 0.875rem);
  font-weight: 400;
  color: var(--color-primary-fg, #ffffff);
  background-color: var(--color-surface-light, #1e1e1e);
  padding: 0.2em 0.6em;
  border: var(--border-thin, 1px solid #2c2c2c);
  border-radius: 2px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast, 150ms ease);
}

.page-privacy .pp-section__num:hover::after,
.page-privacy .pp-section__num:focus-visible::after {
  opacity: 1;
}

.page-privacy .pp-section__num:hover {
  transform: scale(1.05);
  box-shadow: 0 0 12px rgba(211, 47, 47, 0.35);
}

.page-privacy .pp-section__num:focus-visible {
  outline: 2px solid var(--pp-accent, #d32f2f);
  outline-offset: 3px;
}

.page-privacy .pp-section__body {
  flex: 1 1 0;
  min-width: 0;
}

.page-privacy .pp-section__title {
  font-family: var(--font-heading, 'Roboto Condensed', sans-serif);
  font-size: var(--size-h3, 2rem);
  font-weight: 600;
  margin: 0 0 var(--space-md);
  line-height: 1.2;
  color: var(--color-primary-fg, #ffffff);
}

.page-privacy .pp-section__text {
  margin: 0 0 var(--space-md);
  max-width: var(--pp-text-max-width);
  color: var(--color-neutral-gray, #b0b0b0);
  font-size: var(--size-body, 1rem);
  line-height: 1.7;
}

.page-privacy .pp-section__text:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-section__text a {
  color: var(--pp-accent, #d32f2f);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast, 150ms ease);
}

.page-privacy .pp-section__text a:hover,
.page-privacy .pp-section__text a:focus-visible {
  color: var(--pp-link-hover, #ffc107);
}

/* ===== 分隔线 ===== */
.page-privacy .pp-section__divider {
  height: 1px;
  background: linear-gradient(90deg, var(--pp-divider-color, #2c2c2c), transparent);
  margin: var(--pp-section-gap) 0;
}

/* ===== 结尾章节微调 ===== */
.page-privacy .pp-section--outro .pp-section__body {
  border-left: 2px solid var(--pp-accent, #d32f2f);
  padding-left: var(--space-lg);
}

.page-privacy .pp-section--outro .pp-section__text {
  color: var(--color-primary-fg, #ffffff);
  font-size: var(--size-small, 0.875rem);
}

.page-privacy .pp-section--outro .pp-section__text a {
  color: var(--pp-accent, #d32f2f);
}

/* ===== 底部链接 ===== */
.page-privacy .pp-footer-links {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-top: var(--space-2xl);
  padding-top: var(--space-lg);
  border-top: var(--border-thin, 1px solid #2c2c2c);
  flex-wrap: wrap;
}

.page-privacy .btn--outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--size-small, 0.875rem);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary-fg, #ffffff);
  background-color: transparent;
  border: 1px solid var(--pp-divider-color, #2c2c2c);
  border-radius: 2px;
  text-decoration: none;
  transition: border-color var(--transition-fast, 150ms ease), color var(--transition-fast, 150ms ease), background-color var(--transition-fast, 150ms ease);
  cursor: pointer;
}

.page-privacy .btn--outline:hover,
.page-privacy .btn--outline:focus-visible {
  border-color: var(--pp-accent, #d32f2f);
  color: var(--pp-accent, #d32f2f);
  background-color: rgba(211, 47, 47, 0.06);
}

.page-privacy .btn--outline:focus-visible {
  outline: 2px solid var(--pp-accent, #d32f2f);
  outline-offset: 2px;
}

/* ===== 焦点样式 ===== */
.page-privacy :focus-visible {
  outline: 2px solid var(--pp-accent, #d32f2f);
  outline-offset: 2px;
}

/* ===== 响应式：窄屏 ===== */
@media (max-width: 900px) {
  .page-privacy {
    padding: calc(var(--header-total, 6rem) + var(--space-md)) var(--space-sm) var(--space-xl);
  }

  .page-privacy .pp-header__inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-privacy .pp-header__title {
    font-size: var(--size-h2, 2.75rem);
  }

  .page-privacy .pp-header__subtitle {
    font-size: var(--size-h4, 1.5rem);
  }

  .page-privacy .pp-header__visual {
    align-self: center;
    margin-top: var(--space-md);
  }

  .page-privacy .pp-header__shield {
    width: 140px;
    height: 140px;
  }

  .page-privacy .pp-layout {
    flex-direction: column;
  }

  .page-privacy .pp-sidebar {
    flex: none;
    width: 100%;
    position: static;
    margin-bottom: var(--space-lg);
  }

  .page-privacy .pp-sidebar__list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-xs);
  }

  .page-privacy .pp-sidebar__link {
    border-left: none;
    border-bottom: 2px solid transparent;
    padding: var(--space-xs) var(--space-sm);
  }

  .page-privacy .pp-sidebar__link:hover,
  .page-privacy .pp-sidebar__link:focus-visible {
    border-left-color: transparent;
    border-bottom-color: var(--pp-accent, #d32f2f);
  }

  .page-privacy .pp-section {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .page-privacy .pp-section__num {
    width: 1.75rem;
    height: 1.75rem;
    font-size: var(--size-body, 1rem);
    align-self: flex-start;
  }

  .page-privacy .pp-section__num::after {
    left: calc(100% + var(--space-xs));
    font-size: 0.75rem;
  }

  .page-privacy .pp-section__title {
    font-size: var(--size-h4, 1.5rem);
  }

  .page-privacy .pp-section__text {
    font-size: var(--size-small, 0.875rem);
  }

  .page-privacy .pp-section--outro .pp-section__body {
    padding-left: var(--space-md);
  }

  .page-privacy .pp-footer-links {
    flex-direction: column;
    align-items: center;
  }

  .page-privacy .btn--outline {
    width: 100%;
    max-width: 280px;
  }
}

@media (max-width: 480px) {
  .page-privacy .pp-header__title {
    font-size: var(--size-h3, 2rem);
  }

  .page-privacy .pp-header__subtitle {
    font-size: var(--size-h4, 1.5rem);
  }

  .page-privacy .pp-header__shield {
    width: 100px;
    height: 100px;
  }

  .page-privacy .pp-sidebar__link {
    font-size: 0.75rem;
    padding: var(--space-xs);
  }

  .page-privacy .pp-section__num {
    width: 1.5rem;
    height: 1.5rem;
    font-size: var(--size-small, 0.875rem);
  }
}

/* ===== 打印样式 ===== */
@media print {
  .page-privacy {
    --color-primary-bg: #ffffff;
    --color-primary-fg: #000000;
    --color-neutral-gray: #333333;
    --pp-divider-color: #cccccc;
    --pp-accent: #cc0000;
    --pp-num-bg: #cc0000;
    --pp-num-fg: #ffffff;

    padding: 1.5cm;
    font-size: 11pt;
    line-height: 1.5;
    background-color: #ffffff;
    color: #000000;
  }

  .page-privacy .breadcrumb {
    border-bottom-color: #cccccc;
  }

  .page-privacy .pp-header__shield {
    width: 120px;
    height: 120px;
    background-color: #f5f5f5;
    border-color: #cccccc;
  }

  .page-privacy .pp-header__deco-line {
    background: linear-gradient(90deg, #cc0000, transparent);
  }

  .page-privacy .pp-sidebar {
    display: none;
  }

  .page-privacy .pp-layout {
    display: block;
  }

  .page-privacy .pp-section {
    break-inside: avoid;
  }

  .page-privacy .pp-section__num::after {
    display: none;
  }

  .page-privacy .pp-section__divider {
    background: #cccccc;
  }

  .page-privacy .pp-section--outro .pp-section__body {
    border-left-color: #cc0000;
  }

  .page-privacy .pp-footer-links {
    border-top-color: #cccccc;
  }

  .page-privacy .btn--outline {
    border-color: #333333;
    color: #000000;
  }

  .page-privacy .pp-section__text a {
    color: #cc0000;
  }

  .page-privacy .breadcrumb a {
    color: #333333;
  }
}