.page-privacy {
  --pp-title-font: var(--font-heading, 'STKaiti','KaiTi','SimSun','Noto Serif SC',serif);
  --pp-body-font: var(--font-body, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif);
  --pp-primary: #4B9B82;
  --pp-secondary: #B8D4D0;
  --pp-accent: #FF8C42;
  --pp-bg-light: #F5F8F6;
  --pp-text-primary: #1A2E28;
  --pp-text-secondary: #5B7A70;
  --pp-glass: rgba(255,255,255,0.6);
  --pp-border: #D0E2DB;
  --pp-max-width: 1200px;
  --pp-header-height: 5rem;
  --pp-section-gap: 3.5rem;
  --pp-anchor-width: 210px;

  display: block;
  font-family: var(--pp-body-font);
  color: var(--pp-text-primary);
  background-color: var(--pp-bg-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

/* ---------- 容器 ---------- */
.pp-container {
  max-width: var(--pp-max-width);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

/* ---------- 面包屑 ---------- */
.pp-breadcrumb {
  font-size: 0.85rem;
  color: var(--pp-text-secondary);
  margin-bottom: 1.5rem;
  letter-spacing: 0.02em;
}
.pp-breadcrumb a {
  color: var(--pp-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.pp-breadcrumb a:hover,
.pp-breadcrumb a:focus {
  color: var(--pp-primary);
  text-decoration: underline;
}
.pp-breadcrumb-sep {
  margin: 0 0.5em;
  color: var(--pp-border);
}
.pp-breadcrumb [aria-current="page"] {
  color: var(--pp-text-primary);
  font-weight: 600;
}

/* ---------- 页头 ---------- */
.pp-header {
  margin-bottom: 2.8rem;
  padding-bottom: 1.8rem;
  border-bottom: 2px solid var(--pp-secondary);
}
.pp-title {
  font-family: var(--pp-title-font);
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  font-weight: 700;
  color: var(--pp-text-primary);
  margin: 0 0 0.75rem;
  letter-spacing: 0.04em;
  line-height: 1.2;
  position: relative;
  display: inline-block;
}
.pp-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background: var(--pp-accent);
  margin-top: 0.5rem;
  border-radius: 2px;
}
.pp-desc {
  font-size: 1.05rem;
  color: var(--pp-text-secondary);
  max-width: 680px;
  margin: 1rem 0 0;
  line-height: 1.6;
}

/* ---------- 布局 ---------- */
.pp-layout {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

/* ---------- 锚点导航 ---------- */
.pp-anchor-wrap {
  flex-shrink: 0;
}
.pp-anchor-nav {
  background: var(--pp-glass);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid var(--pp-border);
  border-radius: 12px;
  padding: 1.5rem 1.25rem;
}
.pp-anchor-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--pp-text-secondary);
  margin-bottom: 1rem;
}
.pp-anchor-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.8rem;
}
.pp-anchor-nav li {
  margin: 0;
}
.pp-anchor-nav a {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--pp-text-secondary);
  text-decoration: none;
  padding: 0.3rem 0.6rem;
  border-radius: 6px;
  transition: background 0.25s, color 0.25s;
  border: 1px solid transparent;
}
.pp-anchor-nav a:hover,
.pp-anchor-nav a:focus {
  background: var(--pp-secondary);
  color: var(--pp-text-primary);
  border-color: var(--pp-primary);
  outline: none;
}

/* ---------- 内容区 ---------- */
.pp-content-area {
  flex: 1;
  min-width: 0;
}

/* ---------- 章节 ---------- */
.pp-section {
  margin-bottom: var(--pp-section-gap);
  scroll-margin-top: calc(var(--pp-header-height) + 1.5rem);
}
.pp-section-heading {
  font-family: var(--pp-title-font);
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  font-weight: 700;
  color: var(--pp-text-primary);
  margin: 0 0 1.2rem;
  padding-left: 0.75rem;
  border-left: 4px solid var(--pp-primary);
  line-height: 1.3;
}
.pp-section p {
  margin: 0 0 1rem;
  color: var(--pp-text-primary);
  font-size: 0.98rem;
}
.pp-section p:last-child {
  margin-bottom: 0;
}

/* ---------- 数据列表 ---------- */
.pp-data-list {
  list-style: none;
  margin: 1.2rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.pp-data-list li {
  position: relative;
  padding-left: 1.2rem;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--pp-text-primary);
}
.pp-data-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pp-primary);
}
.pp-term {
  color: var(--pp-primary);
  font-weight: 600;
}

/* ---------- 使用目的网格 ---------- */
.pp-usage-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.8rem;
  margin: 1.2rem 0;
}
.pp-usage-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.95rem;
  color: var(--pp-text-primary);
  padding: 0.6rem 0.8rem;
  background: rgba(255,255,255,0.5);
  border-radius: 8px;
  border: 1px solid var(--pp-border);
}
.pp-usage-icon {
  color: var(--pp-primary);
  font-size: 0.7rem;
  line-height: 1.6;
  flex-shrink: 0;
}

/* ---------- 权利列表 ---------- */
.pp-rights-list {
  list-style: none;
  margin: 1.2rem 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}
.pp-rights-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.95rem;
  color: var(--pp-text-primary);
  line-height: 1.6;
}
.pp-rights-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  background: var(--pp-primary);
  padding: 0.15rem 0.7rem;
  border-radius: 20px;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}

/* ---------- 注释块 ---------- */
.pp-note {
  font-size: 0.92rem;
  color: var(--pp-text-secondary);
  padding: 1rem 1.2rem;
  border-radius: 10px;
  margin-top: 1.2rem;
  border: 1px solid var(--pp-border);
  line-height: 1.6;
}
.pp-note.glass {
  background: var(--pp-glass);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* ---------- 联系方式 ---------- */
.pp-contact-block {
  padding: 1.5rem 1.8rem;
  border-radius: 12px;
  border: 1px solid var(--pp-border);
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.pp-contact-block p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--pp-text-primary);
}
.pp-contact-link {
  color: var(--pp-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}
.pp-contact-link:hover,
.pp-contact-link:focus {
  color: var(--pp-accent);
  text-decoration: underline;
}
.pp-contact-text {
  color: var(--pp-text-primary);
  font-weight: 500;
}
.pp-contact-note {
  font-size: 0.85rem !important;
  color: var(--pp-text-secondary) !important;
  font-style: italic;
  padding-top: 0.4rem;
  border-top: 1px dashed var(--pp-border);
}

/* ---------- 版本 ---------- */
.pp-version {
  font-size: 0.85rem;
  color: var(--pp-text-secondary);
  margin-top: 1.5rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--pp-border);
}

/* ---------- 侧边装饰 ---------- */
.pp-side-decor {
  display: flex;
  justify-content: center;
  margin: 2rem 0 1.5rem;
}
.pp-decor-img {
  max-width: 100%;
  height: auto;
  border-radius: 12px;
  opacity: 0.65;
  object-fit: cover;
  box-shadow: 0 4px 20px rgba(75,155,130,0.1);
  transition: opacity 0.4s;
}
.pp-decor-img:hover {
  opacity: 0.9;
}

/* ---------- 内部链接 ---------- */
.pp-internal-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--pp-border);
}
.pp-link-item {
  font-size: 0.95rem;
  color: var(--pp-primary);
  text-decoration: none;
  font-weight: 500;
  padding: 0.3rem 0.2rem;
  transition: color 0.2s, background 0.2s;
  border-radius: 4px;
}
.pp-link-item:hover,
.pp-link-item:focus {
  color: var(--pp-accent);
  background: rgba(255,140,66,0.08);
  text-decoration: underline;
  outline: none;
}
.pp-link-sep {
  color: var(--pp-border);
  font-size: 0.9rem;
}

/* ---------- 数据高亮 ---------- */
.pp-content-area .data-highlight {
  color: var(--pp-accent);
  font-weight: 700;
}

/* ---------- 响应式 ---------- */
@media (max-width: 639px) {
  .pp-container {
    padding: 1.5rem 1rem 3rem;
  }
  .pp-header {
    margin-bottom: 2rem;
    padding-bottom: 1.2rem;
  }
  .pp-title {
    font-size: 1.7rem;
  }
  .pp-title::after {
    width: 44px;
  }
  .pp-section {
    --pp-section-gap: 2.5rem;
  }
  .pp-section-heading {
    font-size: 1.15rem;
    padding-left: 0.55rem;
  }
  .pp-section p,
  .pp-data-list li,
  .pp-usage-item,
  .pp-rights-list li {
    font-size: 0.9rem;
  }
  .pp-anchor-nav {
    padding: 1rem;
  }
  .pp-anchor-nav ul {
    gap: 0.3rem 0.6rem;
  }
  .pp-anchor-nav a {
    font-size: 0.82rem;
    padding: 0.2rem 0.5rem;
  }
  .pp-contact-block {
    padding: 1.2rem;
  }
  .pp-decor-img {
    max-width: 260px;
    border-radius: 8px;
  }
  .pp-internal-links {
    flex-direction: column;
    gap: 0.4rem;
  }
  .pp-link-sep {
    display: none;
  }
  .pp-rights-list li {
    flex-wrap: wrap;
  }
  .pp-rights-badge {
    font-size: 0.7rem;
  }
}

@media (min-width: 640px) and (max-width: 1023px) {
  .pp-container {
    padding: 2rem 1.5rem 3.5rem;
  }
  .pp-layout {
    gap: 2rem;
  }
  .pp-anchor-nav ul {
    gap: 0.5rem 1rem;
  }
  .pp-decor-img {
    max-width: 320px;
  }
}

@media (min-width: 1024px) {
  .pp-container {
    padding: 2.5rem 2rem 5rem;
  }
  .pp-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
  }
  .pp-anchor-wrap {
    position: sticky;
    top: calc(var(--pp-header-height) + 1.5rem);
    width: var(--pp-anchor-width);
  }
  .pp-anchor-nav ul {
    flex-direction: column;
    gap: 0.3rem;
  }
  .pp-anchor-nav a {
    display: block;
    padding: 0.4rem 0.8rem;
    font-size: 0.88rem;
  }
  .pp-content-area {
    max-width: 760px;
  }
  .pp-side-decor {
    justify-content: flex-end;
    margin: 1rem 0 0;
  }
  .pp-decor-img {
    width: 260px;
    height: auto;
  }
  .pp-usage-grid {
    grid-template-columns: 1fr 1fr;
  }
  .pp-internal-links {
    justify-content: flex-start;
  }
}

@media (min-width: 1280px) {
  .pp-decor-img {
    width: 300px;
  }
}