/* ===== 页面作用域：.page-privacy ===== */
.page-privacy {
  --pp-color-red: #E63946;
  --pp-color-blue: #1D3557;
  --pp-color-gold: #F4A261;
  --pp-color-dark: #2B2D42;
  --pp-color-light: #F1FAEE;
  --pp-color-white: #FFFFFF;
  --pp-gradient-rb: linear-gradient(135deg, #E63946 0%, #1D3557 100%);
  --pp-gradient-gold: linear-gradient(135deg, #F4A261 0%, #E76F51 100%);
  --pp-shadow-card: 0 4px 20px rgba(0,0,0,0.06);
  --pp-radius-sm: 4px;
  --pp-radius-md: 8px;
  --pp-radius-lg: 16px;
  --pp-font-number: 'JetBrains Mono', 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --pp-index-w: 30%;
  --pp-content-max: 1280px;
  --pp-transition: 0.28s cubic-bezier(0.22, 1, 0.36, 1);

  display: block;
  width: 100%;
  background-color: var(--pp-color-light);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--pp-color-dark);
  line-height: 1.6;
}

/* 容器 */
.pp-container {
  max-width: var(--pp-content-max);
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

/* 面包屑 */
.pp-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: #6c757d;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(0,0,0,0.07);
}
.pp-breadcrumb a {
  color: var(--pp-color-blue);
  text-decoration: none;
  transition: color var(--pp-transition);
}
.pp-breadcrumb a:hover {
  color: var(--pp-color-red);
}
.pp-breadcrumb-sep {
  color: #adb5bd;
  font-weight: 300;
}
.pp-breadcrumb [aria-current="page"] {
  color: var(--pp-color-dark);
  font-weight: 500;
}

/* 左右分屏 */
.pp-split {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* 左侧索引 */
.pp-index {
  flex: 0 0 auto;
}
.pp-index-sticky {
  position: relative;
  top: 0;
}
.pp-index-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pp-color-blue);
  margin-bottom: 1rem;
  opacity: 0.7;
}
.pp-index-list {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
}
.pp-index-link {
  display: inline-block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--pp-color-dark);
  text-decoration: none;
  padding: 0.25rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--pp-transition), color var(--pp-transition);
  font-family: var(--pp-font-number);
}
.pp-index-link:hover {
  color: var(--pp-color-red);
  border-bottom-color: var(--pp-color-red);
}
.pp-index-art {
  display: none;
}
.pp-index-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--pp-radius-md);
  object-fit: cover;
  box-shadow: var(--pp-shadow-card);
}

/* 右侧主内容 */
.pp-content {
  flex: 1 1 auto;
  min-width: 0;
}
.pp-content-header {
  margin-bottom: 2.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 2px solid var(--pp-color-blue);
}
.pp-heading-primary {
  font-size: 2.25rem;
  font-weight: 700;
  font-style: italic;
  color: var(--pp-color-blue);
  margin: 0 0 0.5rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.pp-heading-desc {
  font-size: 1rem;
  color: #555;
  margin: 0;
  max-width: 640px;
  line-height: 1.6;
}

/* 章节区块 */
.pp-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}
.pp-section:last-of-type {
  border-bottom: none;
  margin-bottom: 1.5rem;
}
.pp-section-number {
  flex: 0 0 auto;
  font-family: var(--pp-font-number);
  font-size: 2.5rem;
  font-weight: 700;
  font-style: italic;
  line-height: 1;
  color: var(--pp-color-red);
  opacity: 0.35;
  margin-bottom: 0.25rem;
}
.pp-section-body {
  flex: 1;
  min-width: 0;
}
.pp-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--pp-color-dark);
  margin: 0 0 1rem;
  line-height: 1.25;
}

/* 卡片 */
.pp-card {
  background-color: var(--pp-color-white);
  border-radius: var(--pp-radius-md);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--pp-shadow-card);
}
.pp-card-text {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--pp-color-dark);
}
.pp-card-footnote {
  margin: 0.75rem 0 0;
  font-size: 0.8125rem;
  color: #6c757d;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0,0,0,0.04);
}
.pp-card-highlight {
  margin: 0.75rem 0 0;
  padding: 0.75rem 1rem;
  background-color: rgba(29,53,87,0.06);
  border-left: 3px solid var(--pp-color-blue);
  border-radius: 0 var(--pp-radius-sm) var(--pp-radius-sm) 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--pp-color-dark);
}
.pp-card-highlight-gold {
  background-color: rgba(244,162,97,0.12);
  border-left-color: var(--pp-color-gold);
  color: #5a3e1a;
}

/* 列表 */
.pp-list {
  margin: 0 0 0.5rem;
  padding: 0 0 0 1.25rem;
  list-style: none;
}
.pp-list li {
  position: relative;
  padding: 0.35rem 0 0.35rem 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--pp-color-dark);
}
.pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--pp-color-red);
  opacity: 0.5;
}
.pp-list li strong {
  font-weight: 600;
  color: var(--pp-color-blue);
}
.pp-list-rights li {
  padding-left: 1.5rem;
}
.pp-list-rights li::before {
  width: 8px;
  height: 8px;
  background-color: var(--pp-color-gold);
  opacity: 0.7;
  top: 0.65rem;
}

/* 内联链接 */
.pp-inline-link {
  color: var(--pp-color-blue);
  text-decoration: underline;
  text-decoration-color: rgba(29,53,87,0.3);
  text-underline-offset: 2px;
  transition: color var(--pp-transition), text-decoration-color var(--pp-transition);
}
.pp-inline-link:hover {
  color: var(--pp-color-red);
  text-decoration-color: var(--pp-color-red);
}

/* 联系摘要 */
.pp-contact-brief {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  margin-top: 1rem;
  padding: 1rem 0 0.5rem;
  border-top: 1px solid rgba(0,0,0,0.05);
}
.pp-contact-item {
  font-size: 0.875rem;
  color: var(--pp-color-dark);
}
.pp-contact-item strong {
  font-weight: 600;
}

/* 文档页脚 */
.pp-doc-footer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--pp-color-blue);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.pp-doc-update {
  font-size: 0.8125rem;
  color: #6c757d;
  margin: 0;
}
.pp-doc-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.pp-doc-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--pp-color-blue);
  text-decoration: none;
  transition: color var(--pp-transition);
}
.pp-doc-link:hover {
  color: var(--pp-color-red);
}
.pp-doc-link-sep {
  color: #adb5bd;
  font-size: 0.75rem;
}

/* ===== 桌面端 (≥768px) ===== */
@media (min-width: 768px) {
  .pp-container {
    padding: 2rem 2rem 4rem;
  }
  .pp-split {
    flex-direction: row;
    gap: 3rem;
    align-items: flex-start;
  }
  .pp-index {
    flex: 0 0 var(--pp-index-w);
    max-width: var(--pp-index-w);
  }
  .pp-index-sticky {
    position: sticky;
    top: calc(var(--header-h, 56px) + 1.5rem);
  }
  .pp-index-list {
    flex-direction: column;
    gap: 0.25rem;
  }
  .pp-index-link {
    font-size: 1rem;
    padding: 0.35rem 0;
    border-bottom: none;
    border-left: 3px solid transparent;
    padding-left: 0.75rem;
  }
  .pp-index-link:hover {
    border-left-color: var(--pp-color-red);
    border-bottom-color: transparent;
  }
  .pp-index-art {
    display: block;
    margin-top: 2rem;
  }
  .pp-content {
    flex: 1 1 70%;
    max-width: 70%;
  }
  .pp-heading-primary {
    font-size: 3rem;
  }
  .pp-section {
    flex-direction: row;
    gap: 1.5rem;
  }
  .pp-section-number {
    font-size: 3.5rem;
    opacity: 0.25;
    min-width: 4rem;
    text-align: right;
  }
  .pp-section-title {
    font-size: 1.75rem;
  }
  .pp-card {
    padding: 1.5rem 2rem;
  }
}

/* ===== 宽桌面 (≥1024px) ===== */
@media (min-width: 1024px) {
  .pp-container {
    padding: 2.5rem 2.5rem 5rem;
  }
  .pp-split {
    gap: 4rem;
  }
  .pp-index {
    flex-basis: 28%;
    max-width: 28%;
  }
  .pp-content {
    flex-basis: 72%;
    max-width: 72%;
  }
  .pp-heading-primary {
    font-size: 3.5rem;
  }
  .pp-section-number {
    font-size: 4rem;
    min-width: 5rem;
  }
  .pp-card {
    padding: 2rem 2.5rem;
  }
}

/* ===== 极小屏适配 (≤380px) ===== */
@media (max-width: 380px) {
  .pp-container {
    padding: 1rem 0.75rem 2rem;
  }
  .pp-heading-primary {
    font-size: 1.75rem;
  }
  .pp-section-number {
    font-size: 2rem;
  }
  .pp-card {
    padding: 1rem 1.25rem;
  }
  .pp-contact-brief {
    flex-direction: column;
    gap: 0.5rem;
  }
}