.page-privacy {
  --pp-border-color: #e2e7ef;
  --pp-text-muted: #8C9AA8;
  background-color: var(--color-light-gray);
  color: var(--color-ink);
  font-family: var(--font-body);
  line-height: 1.7;
  scroll-behavior: smooth;
}
.page-privacy#main-content {
  scroll-margin-top: calc(var(--header-h) + 4px);
}

/* ===== Hero 首屏 ===== */
.page-privacy .pp-hero {
  position: relative;
  background-color: var(--color-deep-blue);
  background-image:
    linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 36px 36px;
  color: var(--color-white);
  overflow: hidden;
  padding: 36px 0 72px;
}
.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  right: -100px;
  top: -60px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle at center, rgba(0,194,255,0.2) 0%, rgba(255,106,0,0.05) 45%, transparent 70%);
  pointer-events: none;
}
.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  left: -10%;
  bottom: -34px;
  width: 120%;
  height: 64px;
  background: var(--color-light-gray);
  transform: rotate(-1.5deg);
  z-index: 0;
}
.page-privacy .pp-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-top: 8px;
}

/* 面包屑 */
.page-privacy .pp-breadcrumb {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 14px;
}
.page-privacy .pp-breadcrumb a {
  color: var(--color-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-privacy .pp-breadcrumb a:hover,
.page-privacy .pp-breadcrumb a:focus-visible {
  color: var(--color-orange-soft);
}
.page-privacy .pp-breadcrumb-sep {
  margin: 0 8px;
  color: rgba(255,255,255,0.35);
}

/* Kicker 标签 */
.page-privacy .pp-hero-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.page-privacy .pp-hero-kicker::before {
  content: "";
  display: inline-block;
  width: 28px;
  height: 2px;
  background: var(--color-orange);
  flex: 0 0 auto;
}

/* 主标题 */
.page-privacy .pp-hero h1 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  margin: 0 0 18px;
  text-shadow: 0 4px 20px rgba(0,0,0,0.25);
}

/* Hero 导语 */
.page-privacy .pp-hero-desc {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(255,255,255,0.82);
  max-width: 60ch;
  margin-bottom: 24px;
}

/* 原则标签 */
.page-privacy .pp-hero-principles {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-privacy .pp-hero-principles li {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--color-orange-soft);
  border: 1px solid rgba(255,106,0,0.4);
  background: rgba(255,106,0,0.1);
  border-radius: 999px;
  padding: 6px 12px;
}

/* Hero 视觉图 */
.page-privacy .pp-hero-visual {
  width: min(100%, 260px);
  margin-inline: auto;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: calc(var(--radius-lg) + 8px);
  background: rgba(255,255,255,0.04);
}
.page-privacy .pp-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-header);
}

/* ===== 正文双栏布局 ===== */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding: 40px 0 64px;
}

/* 左侧目录 */
.page-privacy .pp-toc-sticky {
  background: var(--color-white);
  border: 1px solid var(--pp-border-color);
  border-radius: var(--radius-md);
  padding: 18px;
  box-shadow: var(--shadow-sm);
}
.page-privacy .pp-toc-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--color-deep-blue);
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pp-border-color);
}
.page-privacy .pp-toc-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.page-privacy .pp-toc-list li {
  flex: 0 0 auto;
}
.page-privacy .pp-toc-list a {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  gap: 6px;
  padding: 6px 12px;
  background: var(--color-light-gray);
  border: 1px solid transparent;
  border-radius: 999px;
  color: var(--color-ink);
  text-decoration: none;
  font-size: 0.88rem;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}
.page-privacy .pp-toc-list a:hover,
.page-privacy .pp-toc-list a:focus-visible {
  background: rgba(255,106,0,0.08);
  border-color: var(--color-orange);
  color: var(--color-deep-blue);
}
.page-privacy .pp-toc-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-orange);
  min-width: 22px;
  display: none;
}

/* 目录深蓝便签 */
.page-privacy .pp-toc-note {
  margin-top: 18px;
  padding: 16px;
  background: var(--color-deep-blue);
  border-radius: var(--radius-md);
  color: var(--color-white);
}
.page-privacy .pp-toc-note-heading {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: var(--color-cyan);
  margin-bottom: 6px;
}
.page-privacy .pp-toc-note p:not(.pp-toc-note-heading) {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.75);
  margin-bottom: 10px;
}
.page-privacy .pp-toc-note a {
  color: var(--color-cyan);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  word-break: break-all;
  text-decoration: none;
  border-bottom: 1px solid rgba(0,194,255,0.4);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.page-privacy .pp-toc-note a:hover,
.page-privacy .pp-toc-note a:focus-visible {
  color: var(--color-orange-soft);
  border-color: var(--color-orange-soft);
}

/* ===== 右侧章节 ===== */
.page-privacy .pp-section {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--pp-border-color);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 28px;
  scroll-margin-top: calc(var(--header-h) + 16px);
}
.page-privacy .pp-section::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  bottom: 24px;
  width: 4px;
  background: linear-gradient(180deg, var(--color-orange), var(--color-orange-soft) 70%, transparent);
  border-radius: 0 4px 4px 0;
}

/* 章节头部 */
.page-privacy .pp-section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid var(--pp-border-color);
  padding-bottom: 16px;
  margin-bottom: 18px;
}
.page-privacy .pp-section-num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-orange);
  padding: 4px 10px;
  min-width: 36px;
  text-align: center;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(255,106,0,0.3);
  flex: 0 0 auto;
}
.page-privacy .pp-section h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.5vw, 1.75rem);
  letter-spacing: 0.02em;
  margin: 0;
  color: var(--color-deep-blue);
}

/* 章节正文 */
.page-privacy .pp-section-body > p {
  margin: 0 0 14px;
}
.page-privacy .pp-section-body > p:last-child {
  margin-bottom: 0;
}
.page-privacy .pp-section h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--color-deep-blue);
  margin: 24px 0 10px;
}

/* 列表 */
.page-privacy .pp-list {
  margin: 16px 0;
  padding-left: 22px;
  display: grid;
  gap: 8px;
}
.page-privacy .pp-list li {
  padding-left: 4px;
}
.page-privacy .pp-list-ordered {
  padding-left: 26px;
  list-style-type: decimal;
}
.page-privacy .pp-list-ordered li::marker {
  color: var(--color-orange);
  font-family: var(--font-mono);
  font-weight: 700;
}

/* 强调特征段 */
.page-privacy .pp-feature {
  margin-top: 20px;
  padding: 14px 16px;
  background: rgba(255,106,0,0.08);
  border-left: 3px solid var(--color-orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.92rem;
}

/* 表格 */
.page-privacy .pp-table-wrap {
  overflow-x: auto;
  margin: 16px 0 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--pp-border-color);
  background: var(--color-white);
}
.page-privacy .pp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 560px;
}
.page-privacy .pp-table th {
  background: var(--color-deep-blue);
  color: var(--color-white);
  font-family: var(--font-mono);
  font-weight: 600;
  text-align: left;
  padding: 12px 14px;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.page-privacy .pp-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--pp-border-color);
  color: var(--color-ink);
}
.page-privacy .pp-table tbody tr:nth-child(even) {
  background: var(--color-light-gray);
}
.page-privacy .pp-table tbody tr:last-child td {
  border-bottom: none;
}
.page-privacy .pp-table tbody tr:hover {
  background: rgba(255,106,0,0.06);
}
.page-privacy .pp-table .mono {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--color-deep-blue);
}

/* 笔记块 */
.page-privacy .pp-note {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--color-light-gray);
  border-left: 3px solid var(--color-orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.page-privacy .pp-note-warn {
  border-left-color: var(--color-warning);
}
.page-privacy .pp-note-title {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-deep-blue);
  margin-bottom: 6px;
}

/* 术语悬停提示 */
.page-privacy .pp-term {
  border-bottom: 1px dashed var(--color-orange);
  cursor: help;
  color: var(--color-deep-blue);
  font-weight: 500;
}

/* 正文内联链接 */
.page-privacy .pp-inline-link {
  color: var(--color-orange);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(255,106,0,0.4);
}
.page-privacy .pp-inline-link:hover,
.page-privacy .pp-inline-link:focus-visible {
  text-decoration-color: var(--color-orange);
}

/* 底部相关链接 */
.page-privacy .pp-related {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--pp-border-color);
  font-size: 0.875rem;
  color: var(--pp-text-muted);
}
.page-privacy .pp-related a {
  color: var(--color-deep-blue);
  font-weight: 500;
  text-decoration: none;
  border-bottom: 1px solid rgba(10,30,60,0.25);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}
.page-privacy .pp-related a:hover,
.page-privacy .pp-related a:focus-visible {
  color: var(--color-orange);
  border-color: var(--color-orange);
}

/* 联系卡片 */
.page-privacy .pp-contact-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 18px 0;
}
.page-privacy .pp-contact-card {
  background: var(--color-deep-blue);
  color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  border: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-sm);
}
.page-privacy .pp-contact-card-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: 6px;
}
.page-privacy .pp-contact-card-value {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  word-break: break-all;
  margin: 0;
  color: rgba(255,255,255,0.95);
}
.page-privacy .pp-contact-card-note {
  font-size: 0.78rem;
  color: var(--color-success);
  margin: 8px 0 0;
}

/* 返回顶部 */
.page-privacy .pp-back-top {
  position: fixed;
  right: 18px;
  bottom: 20px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-deep-blue);
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.2);
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 500;
  text-decoration: none;
  box-shadow: var(--shadow-md);
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.page-privacy .pp-back-top:hover,
.page-privacy .pp-back-top:focus-visible {
  background: var(--color-orange);
  transform: translateY(-2px);
}

/* ===== 平板及以上 ===== */
@media (min-width: 640px) {
  .page-privacy .pp-hero {
    padding: 44px 0 84px;
  }
  .page-privacy .pp-hero-visual {
    width: min(100%, 320px);
  }
  .page-privacy .pp-contact-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-privacy .pp-toc-list {
    gap: 10px;
  }
  .page-privacy .pp-toc-list a {
    padding: 7px 14px;
    font-size: 0.9rem;
  }
}

/* ===== 桌面端 ===== */
@media (min-width: 992px) {
  .page-privacy .pp-hero-inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    gap: 48px;
    align-items: center;
    padding: 24px 0 10px;
  }
  .page-privacy .pp-hero-visual {
    width: min(100%, 380px);
    margin-left: auto;
    margin-right: 0;
  }

  .page-privacy .pp-layout {
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
    padding: 56px 0 80px;
  }

  .page-privacy .pp-toc-sticky {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    max-height: calc(100vh - var(--header-h) - 40px);
    overflow-y: auto;
    padding: 22px;
  }
  .page-privacy .pp-toc-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    overflow: visible;
    margin-top: 16px;
  }
  .page-privacy .pp-toc-list li {
    flex: none;
  }
  .page-privacy .pp-toc-list a {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    white-space: normal;
    gap: 10px;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-left: 3px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--color-ink);
    font-size: 0.9rem;
  }
  .page-privacy .pp-toc-list a:hover,
  .page-privacy .pp-toc-list a:focus-visible {
    background: var(--color-light-gray);
    border-left-color: var(--color-orange);
  }
  .page-privacy .pp-toc-num {
    display: inline-block;
  }

  .page-privacy .pp-section {
    padding: 32px 34px 34px;
    margin-bottom: 32px;
  }
  .page-privacy .pp-contact-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }
  .page-privacy .pp-contact-card {
    padding: 18px 20px;
  }
}

/* ===== 宽屏微调 ===== */
@media (min-width: 1200px) {
  .page-privacy .pp-hero {
    padding: 52px 0 92px;
  }
  .page-privacy .pp-hero-desc {
    font-size: 1.05rem;
  }
}

/* ===== 减弱动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy,
  .page-privacy .pp-section {
    scroll-behavior: auto;
  }
  .page-privacy *,
  .page-privacy *::before,
  .page-privacy *::after {
    transition: none !important;
  }
}