.page-privacy {
  --privacy-red-light: rgba(230, 57, 70, 0.12);
  --privacy-blue-glass: rgba(29, 53, 87, 0.55);
  --privacy-border-glow: rgba(69, 123, 157, 0.35);
  --privacy-card-bg: rgba(11, 12, 16, 0.7);
  --privacy-line-gradient: linear-gradient(90deg, #E63946 0%, #457B9D 70%, transparent 100%);
  --privacy-toc-active-bg: rgba(230, 57, 70, 0.2);
  --privacy-highlight-border: #F4A261;
  --privacy-bubble-bg: #1D3557;

  display: block;
  width: 100%;
  max-width: var(--site-max, 1280px);
  margin: 0 auto;
  padding: 0 1rem 3rem;
  color: var(--color-white, #F1FAEE);
  font-family: var(--font-body, 'Inter', 'Segoe UI', system-ui, sans-serif);
  background: var(--color-dark, #0B0C10);
  line-height: 1.7;
}

/* 面包屑 */
.privacy-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 1.2rem 0 0.6rem;
  font-size: 0.85rem;
  color: var(--color-gray, #A8B2C1);
  letter-spacing: 0.02em;
  flex-wrap: wrap;
}
.privacy-breadcrumb a {
  color: var(--color-gray, #A8B2C1);
  text-decoration: none;
  transition: color 0.2s;
}
.privacy-breadcrumb a:hover,
.privacy-breadcrumb a:focus-visible {
  color: var(--color-red, #E63946);
}
.privacy-breadcrumb-sep {
  color: var(--color-light-blue, #457B9D);
  font-weight: 300;
}
.privacy-breadcrumb > span:last-child {
  color: var(--color-white, #F1FAEE);
  font-weight: 500;
}

/* 顶部英雄区 */
.privacy-hero {
  position: relative;
  margin: 0.8rem 0 2.2rem;
  padding: 1.8rem 1.2rem;
  background: var(--privacy-blue-glass);
  border: 1px solid var(--privacy-border-glow);
  border-radius: 0;
  overflow: hidden;
}
.privacy-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--privacy-line-gradient);
}
.privacy-hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}
.privacy-hero-icon {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--color-red, #E63946);
  box-shadow: 0 0 20px rgba(230, 57, 70, 0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark, #0B0C10);
}
.privacy-hero-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.privacy-hero-text {
  flex: 1;
  text-align: center;
}
.privacy-hero-title {
  font-family: var(--font-heading, 'Inter', 'Segoe UI', system-ui, sans-serif);
  font-weight: 800;
  font-style: italic;
  font-size: 2rem;
  line-height: 1.15;
  color: var(--color-white, #F1FAEE);
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}
.privacy-hero-sub {
  font-size: 1rem;
  color: var(--color-gray, #A8B2C1);
  margin: 0 0 0.3rem;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}
.privacy-hero-date {
  font-family: var(--font-data, 'JetBrains Mono', 'Consolas', monospace);
  font-size: 0.8rem;
  color: var(--color-light-blue, #457B9D);
  margin: 0;
  letter-spacing: 0.04em;
}

/* 主布局：侧边栏 + 内容 */
.privacy-layout {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-top: 0.4rem;
}

/* 侧边栏 */
.privacy-sidebar {
  width: 100%;
  flex-shrink: 0;
}
.privacy-sidebar-inner {
  background: var(--privacy-card-bg);
  border: 1px solid var(--privacy-border-glow);
  padding: 1.4rem 1.2rem;
  position: relative;
}
.privacy-sidebar-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--privacy-line-gradient);
}
.privacy-sidebar-label {
  font-family: var(--font-heading, 'Inter', 'Segoe UI', system-ui, sans-serif);
  font-weight: 700;
  font-style: italic;
  font-size: 0.95rem;
  color: var(--color-red, #E63946);
  margin: 0 0 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.privacy-toc-nav {
  margin-bottom: 0.8rem;
}
.privacy-toc-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.5rem 1.2rem;
}
.privacy-toc-list li {
  margin: 0;
}
.privacy-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray, #A8B2C1);
  text-decoration: none;
  padding: 0.3rem 0.5rem;
  border-radius: 2px;
  transition: background 0.2s, color 0.2s;
  white-space: nowrap;
}
.privacy-toc-link:hover,
.privacy-toc-link:focus-visible {
  background: var(--privacy-toc-active-bg);
  color: var(--color-red, #E63946);
}
.toc-num {
  font-family: var(--font-data, 'JetBrains Mono', 'Consolas', monospace);
  font-size: 0.75rem;
  color: var(--color-light-blue, #457B9D);
  font-weight: 400;
}
.privacy-sidebar-rule {
  height: 1px;
  background: var(--privacy-border-glow);
  margin: 0.6rem 0;
}
.privacy-sidebar-note {
  font-size: 0.8rem;
  color: var(--color-gray, #A8B2C1);
  margin: 0;
  font-style: italic;
  line-height: 1.5;
}

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

/* 章节 */
.privacy-section {
  margin-bottom: 2.8rem;
  scroll-margin-top: 2.5rem;
}
.section-head {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}
.section-number {
  font-family: var(--font-data, 'JetBrains Mono', 'Consolas', monospace);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--color-red, #E63946);
  line-height: 1;
  letter-spacing: -0.04em;
  opacity: 0.85;
  flex-shrink: 0;
}
.section-line {
  flex: 1;
  height: 2px;
  background: var(--privacy-line-gradient);
  border-radius: 1px;
}
.section-title {
  font-family: var(--font-heading, 'Inter', 'Segoe UI', system-ui, sans-serif);
  font-weight: 800;
  font-style: italic;
  font-size: 1.6rem;
  line-height: 1.2;
  color: var(--color-white, #F1FAEE);
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}
.section-body {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--color-gray, #A8B2C1);
}
.section-body p {
  margin: 0 0 1rem;
}
.section-body p:last-child {
  margin-bottom: 0;
}

/* 高亮条款 */
.highlight-item {
  position: relative;
  display: inline-block;
  font-weight: 600;
  color: var(--color-white, #F1FAEE);
  background: var(--privacy-red-light);
  padding: 0.1rem 0.6rem;
  border-left: 3px solid var(--privacy-highlight-border);
  margin: 0.2rem 0 0.3rem;
  cursor: help;
  transition: background 0.2s;
}
.highlight-item:hover {
  background: rgba(230, 57, 70, 0.2);
}
.highlight-item[data-tip]::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) scale(0.9);
  background: var(--privacy-bubble-bg);
  color: var(--color-white, #F1FAEE);
  font-size: 0.75rem;
  font-weight: 400;
  font-style: normal;
  padding: 0.6rem 0.9rem;
  border-radius: 4px;
  border: 1px solid var(--color-light-blue, #457B9D);
  white-space: normal;
  width: max-content;
  max-width: 280px;
  line-height: 1.5;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 20;
  box-shadow: 0 4px 16px rgba(0,0,0,0.6);
}
.highlight-item[data-tip]:hover::after,
.highlight-item[data-tip]:focus-visible::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}
.highlight-item[data-tip]::before {
  content: '';
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) scale(0);
  border: 6px solid transparent;
  border-top-color: var(--color-light-blue, #457B9D);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 21;
}
.highlight-item[data-tip]:hover::before,
.highlight-item[data-tip]:focus-visible::before {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

/* 使用列表 */
.privacy-usage-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.2rem;
}
.privacy-usage-list li {
  position: relative;
  padding: 0.3rem 0 0.3rem 1.4rem;
  font-size: 0.95rem;
  color: var(--color-gray, #A8B2C1);
  line-height: 1.7;
}
.privacy-usage-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-red, #E63946);
  font-weight: 700;
}
.privacy-usage-list li.highlight-item {
  padding-left: 1.4rem;
  border-left: 3px solid var(--privacy-highlight-border);
  margin: 0.4rem 0;
  background: var(--privacy-red-light);
}
.privacy-usage-list li.highlight-item::before {
  content: '▸';
  left: 0.3rem;
}

/* 章节分隔 */
.privacy-section-divider {
  display: flex;
  justify-content: center;
  margin: 0.6rem 0 1.8rem;
  opacity: 0.5;
}
.divider-img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 2px;
}

/* 页脚注 */
.privacy-footer-note {
  margin-top: 2.4rem;
  padding: 1.6rem 1.2rem;
  background: var(--privacy-blue-glass);
  border: 1px solid var(--privacy-border-glow);
  font-size: 0.9rem;
  color: var(--color-gray, #A8B2C1);
  line-height: 1.7;
}
.privacy-footer-note p {
  margin: 0 0 0.4rem;
}
.privacy-footer-note p:last-child {
  margin-bottom: 0;
}
.privacy-contact-line {
  font-family: var(--font-data, 'JetBrains Mono', 'Consolas', monospace);
  font-size: 0.85rem;
  color: var(--color-white, #F1FAEE);
  letter-spacing: 0.02em;
}
.privacy-icp-line {
  font-size: 0.8rem;
  color: var(--color-light-blue, #457B9D);
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-privacy {
    padding: 0 2rem 4rem;
  }

  .privacy-breadcrumb {
    padding-top: 1.6rem;
    font-size: 0.9rem;
  }

  .privacy-hero {
    margin: 1rem 0 2.8rem;
    padding: 2.4rem 2.8rem;
  }
  .privacy-hero-inner {
    flex-direction: row;
    gap: 2rem;
  }
  .privacy-hero-icon {
    width: 110px;
    height: 110px;
  }
  .privacy-hero-text {
    text-align: left;
  }
  .privacy-hero-title {
    font-size: 2.8rem;
  }
  .privacy-hero-sub {
    font-size: 1.1rem;
    margin-left: 0;
  }

  .privacy-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2.8rem;
  }

  .privacy-sidebar {
    width: 220px;
    flex-shrink: 0;
  }
  .privacy-sidebar-inner {
    position: sticky;
    top: calc(var(--header-h, 64px) + 1.5rem);
    padding: 1.6rem 1.2rem;
  }
  .privacy-toc-list {
    flex-direction: column;
    gap: 0.3rem;
  }
  .privacy-toc-link {
    padding: 0.4rem 0.6rem;
    font-size: 0.95rem;
    white-space: normal;
  }

  .privacy-content {
    flex: 1;
    min-width: 0;
  }

  .section-number {
    font-size: 2.8rem;
  }
  .section-title {
    font-size: 1.9rem;
  }

  .privacy-section-divider {
    margin: 0.2rem 0 2rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy {
    padding: 0 3rem 5rem;
  }

  .privacy-hero {
    padding: 3rem 3.6rem;
  }
  .privacy-hero-title {
    font-size: 3.2rem;
  }

  .privacy-sidebar {
    width: 250px;
  }

  .section-number {
    font-size: 3.2rem;
  }
  .section-title {
    font-size: 2.2rem;
  }

  .section-body {
    font-size: 1rem;
  }
}