.page-privacy {
  --privacy-max-width: 840px;
  --privacy-number-size: 3.5rem;
  --privacy-number-color: var(--color-accent, #FF6B35);
  --privacy-highlight-color: var(--color-accent, #FF6B35);
  --privacy-breadcrumb-color: var(--color-text-secondary, #B0C4DE);
  --privacy-border-color: var(--color-border, #2C3E50);
  --privacy-bg-alt: var(--color-bg-light, #F4F4F4);
  --privacy-bg-default: #ffffff;
  --privacy-spacing-y: 2.5rem;
  --privacy-padding-x: 1.25rem;

  display: block;
  max-width: var(--privacy-max-width);
  margin: 0 auto;
  padding: 1.5rem var(--privacy-padding-x) 3rem;
  font-family: var(--font-body, Inter, Roboto, sans-serif);
  color: var(--color-primary, #0B1D3A);
  background-color: var(--privacy-bg-default);
  line-height: 1.7;
}

/* 面包屑导航 */
.page-privacy__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: 1.75rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--privacy-breadcrumb-color);
  letter-spacing: 0.02em;
}
.page-privacy__breadcrumb-link {
  color: var(--privacy-breadcrumb-color);
  text-decoration: none;
  transition: color var(--transition, 0.25s ease);
}
.page-privacy__breadcrumb-link:hover,
.page-privacy__breadcrumb-link:focus-visible {
  color: var(--privacy-highlight-color);
  outline: none;
  text-decoration: underline;
}
.page-privacy__breadcrumb-sep {
  user-select: none;
  color: var(--privacy-border-color);
}
.page-privacy__breadcrumb-current {
  color: var(--color-primary, #0B1D3A);
  font-weight: 600;
}

/* 头部标题区 */
.page-privacy__header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  margin-bottom: 2.25rem;
  padding-bottom: 2rem;
  border-bottom: 2px solid var(--privacy-border-color);
  text-align: center;
}
.page-privacy__header-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary, #0B1D3A);
  border-radius: 50%;
  padding: 0.625rem;
}
.page-privacy__header-img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.page-privacy__header-text {
  flex: 1;
}
.page-privacy__title {
  margin: 0 0 0.5rem;
  font: var(--font-heading, 800 2.5rem/1.2 Inter, Roboto, sans-serif);
  letter-spacing: var(--letter-spacing-heading, 0.05em);
  color: var(--color-primary, #0B1D3A);
  text-transform: uppercase;
}
.page-privacy__subtitle {
  margin: 0;
  font: var(--font-subheading, 700 1.125rem/1.4 Inter, Roboto, sans-serif);
  letter-spacing: var(--letter-spacing-subheading, 0.03em);
  color: var(--color-text-secondary, #B0C4DE);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* 引言 */
.page-privacy__intro {
  margin-bottom: var(--privacy-spacing-y);
  padding: 1.5rem 1.25rem;
  background-color: var(--privacy-bg-alt);
  border-left: 4px solid var(--privacy-highlight-color);
  border-radius: 0 4px 4px 0;
}
.page-privacy__intro-text {
  margin: 0;
  font-size: 1rem;
  color: var(--color-primary, #0B1D3A);
}

/* 章节通用 */
.page-privacy__section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: var(--privacy-spacing-y) 0;
  border-bottom: 1px solid var(--privacy-border-color);
}
.page-privacy__section--alt {
  background-color: transparent;
}
.page-privacy__section-meta {
  flex-shrink: 0;
}
.page-privacy__section-number {
  display: inline-block;
  font-size: var(--privacy-number-size);
  font-weight: 800;
  line-height: 1;
  color: var(--privacy-number-color);
  letter-spacing: 0.02em;
  opacity: 0.75;
  user-select: none;
}
.page-privacy__section-body {
  flex: 1;
  min-width: 0;
}
.page-privacy__section-heading {
  margin: 0 0 1rem;
  font: var(--font-subheading, 700 1.5rem/1.3 Inter, Roboto, sans-serif);
  letter-spacing: var(--letter-spacing-subheading, 0.03em);
  color: var(--color-primary, #0B1D3A);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--privacy-highlight-color);
  display: inline-block;
}
.page-privacy__section-content {
  font-size: 1rem;
  color: var(--color-primary, #0B1D3A);
}
.page-privacy__section-content p {
  margin: 0 0 1rem;
}
.page-privacy__section-content p:last-child {
  margin-bottom: 0;
}

/* 列表样式 */
.page-privacy__list {
  margin: 0.75rem 0 1.25rem;
  padding: 0;
  list-style: none;
}
.page-privacy__list-item {
  position: relative;
  padding: 0.625rem 0 0.625rem 1.5rem;
  border-bottom: 1px dashed var(--privacy-border-color);
  font-size: 0.95rem;
  line-height: 1.6;
}
.page-privacy__list-item::before {
  content: "▸";
  position: absolute;
  left: 0;
  top: 0.625rem;
  color: var(--privacy-highlight-color);
  font-weight: 700;
  font-size: 1.1rem;
}
.page-privacy__list-item:last-child {
  border-bottom: none;
}

/* 高亮强调 */
.page-privacy__highlight {
  color: var(--privacy-highlight-color);
  font-weight: 700;
}
.page-privacy__contact {
  color: var(--privacy-highlight-color);
  font-weight: 600;
  word-break: break-all;
}

/* 结语 */
.page-privacy__outro {
  margin-top: var(--privacy-spacing-y);
  padding: 1.5rem 1.25rem;
  background-color: var(--privacy-bg-alt);
  border-radius: 4px;
  text-align: center;
}
.page-privacy__outro-text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-primary, #0B1D3A);
  font-style: italic;
}

/* 底部导航链接 */
.page-privacy__nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 2px solid var(--privacy-border-color);
}
.page-privacy__nav-btn {
  min-width: 160px;
  text-align: center;
  font-size: 0.9375rem;
}

/* ========== 桌面端 (768px 及以上) ========== */
@media (min-width: 768px) {
  .page-privacy {
    padding: 2.5rem 2rem 4rem;
    --privacy-number-size: 4.5rem;
    --privacy-spacing-y: 3rem;
    --privacy-padding-x: 2rem;
  }

  .page-privacy__breadcrumb {
    font-size: 0.875rem;
    margin-bottom: 2.25rem;
  }

  .page-privacy__header {
    flex-direction: row;
    text-align: left;
    gap: 2rem;
    padding-bottom: 2.5rem;
  }
  .page-privacy__header-icon {
    width: 100px;
    height: 100px;
    padding: 0.75rem;
  }
  .page-privacy__title {
    font-size: 3rem;
  }
  .page-privacy__subtitle {
    margin-left: 0;
    margin-right: 0;
    font-size: 1.25rem;
  }

  .page-privacy__intro {
    padding: 1.75rem 2rem;
    margin-bottom: 1.5rem;
  }

  .page-privacy__section {
    flex-direction: row;
    gap: 2.5rem;
    padding: var(--privacy-spacing-y) 0;
  }
  .page-privacy__section-meta {
    width: 100px;
    flex-shrink: 0;
  }
  .page-privacy__section-number {
    font-size: var(--privacy-number-size);
    line-height: 1;
  }
  .page-privacy__section-heading {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
  }

  .page-privacy__list-item {
    padding: 0.75rem 0 0.75rem 1.75rem;
    font-size: 1rem;
  }
  .page-privacy__list-item::before {
    top: 0.75rem;
    font-size: 1.2rem;
  }

  .page-privacy__outro {
    padding: 2rem 2.5rem;
  }
  .page-privacy__outro-text {
    font-size: 1rem;
  }

  .page-privacy__nav-links {
    gap: 1.5rem;
    margin-top: 3rem;
  }
  .page-privacy__nav-btn {
    min-width: 200px;
    font-size: 1rem;
  }
}

/* ========== 大型桌面端 (1024px 及以上) ========== */
@media (min-width: 1024px) {
  .page-privacy {
    --privacy-number-size: 5.5rem;
    --privacy-spacing-y: 3.5rem;
    --privacy-padding-x: 0;
  }
  .page-privacy__title {
    font-size: 3.5rem;
  }
  .page-privacy__section-meta {
    width: 120px;
  }
}

/* 减小动效 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* 聚焦环 */
.page-privacy a:focus-visible,
.page-privacy button:focus-visible {
  outline: 3px solid var(--privacy-highlight-color);
  outline-offset: 3px;
  border-radius: 2px;
}

/* 打印样式 */
@media print {
  .page-privacy {
    padding: 1rem 0;
    max-width: 100%;
  }
  .page-privacy__header-icon {
    background: none;
    border: 1px solid #ccc;
  }
  .page-privacy__header-img {
    filter: none;
  }
  .page-privacy__nav-links {
    display: none;
  }
  .page-privacy__section {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}