.page-privacy {
  --privacy-bg: #FFFFFF;
  --privacy-text: #1A1A2E;
  --privacy-meta: #6B7280;
  --privacy-border: #E5E7EB;
  --privacy-toc-width: 220px;
  --privacy-gap: 40px;
  --privacy-section-spacing: 48px;
  background-color: var(--privacy-bg);
  color: var(--privacy-text);
  font-family: var(--font-primary);
  line-height: 1.75;
  scroll-behavior: smooth;
}

/* ===== Hero 区域 ===== */
.privacy-hero {
  padding: 32px 0 24px;
  border-bottom: 1px solid var(--privacy-border);
}
.privacy-hero .container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}
.privacy-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--privacy-meta);
  margin-bottom: 20px;
}
.privacy-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}
.privacy-breadcrumb a:hover {
  opacity: 0.75;
}
.privacy-breadcrumb-sep {
  color: var(--privacy-border);
  font-weight: 300;
}
.privacy-hero-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 20px;
}
.privacy-shield {
  width: 60px;
  height: 60px;
  flex-shrink: 0;
  object-fit: contain;
}
.privacy-title {
  font-size: 28px;
  font-weight: 700;
  margin: 0;
  color: var(--privacy-text);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.privacy-subtitle {
  width: 100%;
  margin: 0;
  font-size: 16px;
  color: var(--privacy-meta);
  line-height: 1.6;
  max-width: 640px;
}

/* ===== 布局 ===== */
.privacy-layout {
  display: flex;
  flex-direction: column;
  gap: var(--privacy-gap);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 64px;
}

/* ===== 目录（移动端优先） ===== */
.privacy-toc {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  flex-shrink: 0;
  order: -1;
}
.toc-heading {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--privacy-meta);
  margin: 0 0 12px;
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}
.toc-link {
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 500;
  color: var(--privacy-text);
  background: var(--privacy-bg);
  border-radius: var(--radius-capsule);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.toc-link:hover,
.toc-link:focus-visible {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 12px rgba(255,102,0,0.3);
  outline: none;
}
.toc-link[data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s ease, transform 0.4s ease, background var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}
.toc-link[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== 内容区 ===== */
.privacy-content {
  flex: 1;
  min-width: 0;
}
.privacy-section {
  margin-bottom: var(--privacy-section-spacing);
  padding-bottom: var(--privacy-section-spacing);
  border-bottom: 1px solid var(--privacy-border);
}
.privacy-section:last-of-type {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}
.section-heading {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 16px;
  padding-bottom: 10px;
  color: var(--privacy-text);
  border-bottom: 3px solid var(--color-primary);
  display: inline-block;
  line-height: 1.3;
}

.privacy-section p {
  margin: 0 0 14px;
  font-size: 15px;
  color: var(--privacy-text);
  max-width: 72ch;
}
.privacy-section p:last-child {
  margin-bottom: 0;
}

/* 联系列表 */
.privacy-contact-list {
  list-style: none;
  margin: 16px 0 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.privacy-contact-list li {
  font-size: 15px;
  color: var(--privacy-text);
  display: flex;
  align-items: baseline;
  gap: 4px;
}
.contact-label {
  font-weight: 600;
  color: var(--color-primary);
  min-width: 4ch;
}
.contact-note {
  font-size: 13px;
  color: var(--privacy-meta);
  margin-top: 4px;
}

/* 内联链接 */
.privacy-inline-link {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
.privacy-inline-link:hover {
  color: var(--color-primary-variant);
}

/* ===== 响应式桌面端 ===== */
@media (min-width: 768px) {
  .privacy-hero {
    padding: 48px 0 32px;
  }
  .privacy-hero .container {
    padding: 0 32px;
  }
  .privacy-title {
    font-size: 36px;
  }
  .privacy-subtitle {
    font-size: 17px;
  }
  .privacy-layout {
    flex-direction: row;
    align-items: flex-start;
    padding: 48px 32px 80px;
    gap: 48px;
  }
  .privacy-toc {
    width: var(--privacy-toc-width);
    position: sticky;
    top: calc(var(--header-height) + 24px);
    order: 0;
    padding: 16px 0;
    background: transparent;
    border-radius: 0;
  }
  .toc-heading {
    font-size: 13px;
    margin-bottom: 16px;
    padding-left: 4px;
  }
  .toc-list {
    flex-direction: column;
    gap: 2px;
  }
  .toc-link {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    background: transparent;
    box-shadow: none;
    border-radius: var(--radius-sm);
    border-left: 3px solid transparent;
    transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
  }
  .toc-link:hover,
  .toc-link:focus-visible {
    background: rgba(255,102,0,0.08);
    color: var(--color-primary);
    box-shadow: none;
    border-left-color: var(--color-primary);
  }
  .toc-link[data-reveal] {
    opacity: 0;
    transform: translateX(-8px);
  }
  .toc-link[data-reveal].revealed {
    opacity: 1;
    transform: translateX(0);
  }
  .privacy-content {
    max-width: 780px;
  }
  .section-heading {
    font-size: 26px;
    margin-bottom: 20px;
  }
  .privacy-section p {
    font-size: 16px;
  }
  .privacy-contact-list li {
    font-size: 16px;
  }
}

@media (min-width: 1024px) {
  .privacy-layout {
    gap: 64px;
  }
  .privacy-toc {
    width: 240px;
  }
  .privacy-content {
    max-width: 800px;
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy {
    scroll-behavior: auto;
  }
  .toc-link[data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .toc-link[data-reveal].revealed {
    opacity: 1;
    transform: none;
  }
}

/* ===== 窄屏额外保护 ===== */
@media (max-width: 420px) {
  .privacy-hero-content {
    gap: 12px;
  }
  .privacy-shield {
    width: 48px;
    height: 48px;
  }
  .privacy-title {
    font-size: 22px;
  }
  .privacy-layout {
    padding-left: 16px;
    padding-right: 16px;
  }
  .toc-link {
    font-size: 13px;
    padding: 4px 12px;
  }
}