/* ===== 页面作用域：privacy ===== */
.page-privacy {
  --privacy-accent: var(--primary, #00D4FF);
  --privacy-accent-secondary: var(--secondary, #FF2D55);
  --privacy-bg-card: rgba(26, 31, 38, 0.7);
  --privacy-border-color: rgba(0, 212, 255, 0.15);
  --privacy-text-muted: var(--text-secondary, #B0B8C4);
  --privacy-section-gap: 3rem;
  --privacy-content-max: 820px;

  display: block;
  width: 100%;
  background-color: var(--bg-dark, #0D1117);
  color: var(--text-primary, #FFFFFF);
  font-family: var(--font-sans, 'Inter', sans-serif);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---- Hero 区域 ---- */
.page-privacy__hero {
  position: relative;
  width: 100%;
  min-height: 280px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  border-bottom: 1px solid var(--privacy-border-color);
}

.page-privacy__hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy__hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

.page-privacy__hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgba(13, 17, 23, 0.4) 0%, rgba(13, 17, 23, 0.92) 80%, var(--bg-dark, #0D1117) 100%);
}

.page-privacy__hero-content {
  position: relative;
  z-index: 2;
  padding: 2.5rem 1.25rem 2rem;
  width: 100%;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
}

.page-privacy__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--privacy-text-muted);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.page-privacy__breadcrumb-link {
  color: var(--privacy-accent);
  text-decoration: none;
  transition: color 0.25s ease;
  font-weight: 500;
}

.page-privacy__breadcrumb-link:hover {
  color: var(--privacy-accent-secondary);
}

.page-privacy__breadcrumb-sep {
  color: var(--privacy-text-muted);
  opacity: 0.5;
}

.page-privacy__breadcrumb-current {
  color: var(--text-primary, #FFFFFF);
  font-weight: 500;
}

.page-privacy__title {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.15;
  color: var(--text-primary, #FFFFFF);
  margin: 0 0 0.75rem;
  padding-bottom: 0.75rem;
  position: relative;
}

.page-privacy__title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 3rem;
  height: 3px;
  background: var(--privacy-accent);
  border-radius: 2px;
}

.page-privacy__subtitle {
  font-size: 1rem;
  color: var(--privacy-text-muted);
  line-height: 1.6;
  max-width: 640px;
  margin: 0.75rem 0 0.5rem;
}

.page-privacy__effective {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.8125rem;
  color: var(--privacy-accent);
  opacity: 0.8;
  margin: 0.25rem 0 0;
}

/* ---- 主体布局 ---- */
.page-privacy__body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

/* ---- 目录侧边栏 ---- */
.page-privacy__toc {
  flex-shrink: 0;
  background: var(--privacy-bg-card);
  border: 1px solid var(--privacy-border-color);
  padding: 1.5rem 1.75rem;
  margin-bottom: 0.5rem;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.page-privacy__toc-title {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--privacy-accent);
  margin: 0 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--privacy-border-color);
}

.page-privacy__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.page-privacy__toc-link {
  display: inline-block;
  color: var(--privacy-text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.2rem 0;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-privacy__toc-link:hover {
  color: var(--privacy-accent);
  border-bottom-color: var(--privacy-accent);
}

/* ---- 内容区 ---- */
.page-privacy__content {
  flex: 1;
  max-width: var(--privacy-content-max);
}

/* ---- 章节通用 ---- */
.page-privacy__section {
  margin-bottom: var(--privacy-section-gap);
  padding-bottom: var(--privacy-section-gap);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.page-privacy__section:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-privacy__section-heading {
  font-family: var(--font-sans, 'Inter', sans-serif);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--text-primary, #FFFFFF);
  margin: 0 0 1.25rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--privacy-accent);
}

.page-privacy__section--highlight {
  background: var(--privacy-bg-card);
  border: 1px solid var(--privacy-border-color);
  padding: 1.75rem 1.5rem;
  border-left: 3px solid var(--privacy-accent);
}

.page-privacy__section--highlight .page-privacy__section-heading {
  padding-left: 0;
  border-left: none;
}

/* ---- 正文 ---- */
.page-privacy__text {
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--text-secondary, #B0B8C4);
  margin: 0 0 1rem;
}

.page-privacy__text:last-child {
  margin-bottom: 0;
}

.page-privacy__text--note {
  font-size: 0.875rem;
  color: var(--privacy-text-muted);
  padding: 0.75rem 1rem;
  background: rgba(0, 212, 255, 0.04);
  border-left: 2px solid var(--privacy-accent);
  margin-top: 0.75rem;
}

.page-privacy__text--small {
  font-size: 0.8125rem;
  opacity: 0.7;
}

/* ---- 列表 ---- */
.page-privacy__list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.page-privacy__list-item {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-secondary, #B0B8C4);
}

.page-privacy__list-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 5px;
  height: 5px;
  background: var(--privacy-accent);
  border-radius: 0;
  opacity: 0.7;
}

.page-privacy__strong {
  color: var(--text-primary, #FFFFFF);
  font-weight: 600;
}

/* ---- 内联链接 ---- */
.page-privacy__inline-link {
  color: var(--privacy-accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease;
  font-weight: 500;
}

.page-privacy__inline-link:hover {
  color: var(--privacy-accent-secondary);
  border-bottom-color: currentColor;
}

/* ---- 联系卡片 ---- */
.page-privacy__contact-card {
  background: rgba(0, 212, 255, 0.04);
  border: 1px solid var(--privacy-border-color);
  padding: 1.25rem 1.5rem;
  margin: 0.75rem 0 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-privacy__contact-item {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary, #B0B8C4);
  margin: 0;
}

.page-privacy__contact-label {
  font-weight: 600;
  color: var(--text-primary, #FFFFFF);
  margin-right: 0.25rem;
}

.page-privacy__contact-item--note {
  font-size: 0.8125rem;
  color: var(--privacy-text-muted);
  margin-top: 0.25rem;
  font-style: italic;
}

/* ---- 信任声明 ---- */
.page-privacy__trust {
  max-width: var(--max-width, 1280px);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 2.5rem;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.page-privacy__trust-text {
  font-size: 0.8125rem;
  color: var(--privacy-text-muted);
  margin: 0 0 0.5rem;
  opacity: 0.7;
}

.page-privacy__trust-icp {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.75rem;
  color: var(--privacy-text-muted);
  opacity: 0.5;
  margin: 0;
}

/* ===== 移动端优先 - 基础样式已完成 ===== */

/* ===== 平板宽度 (≥600px) ===== */
@media (min-width: 600px) {
  .page-privacy__hero {
    min-height: 320px;
  }

  .page-privacy__hero-content {
    padding: 3rem 2rem 2.5rem;
  }

  .page-privacy__title {
    font-size: 2.5rem;
  }

  .page-privacy__title::after {
    width: 4rem;
  }

  .page-privacy__subtitle {
    font-size: 1.0625rem;
  }

  .page-privacy__body {
    padding: 2.5rem 2rem 4rem;
    gap: 2.5rem;
  }

  .page-privacy__toc {
    padding: 1.75rem 2rem;
  }

  .page-privacy__toc-list {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.25rem 1.5rem;
  }

  .page-privacy__section-heading {
    font-size: 1.625rem;
  }

  .page-privacy__section--highlight {
    padding: 2rem 2rem;
  }

  .page-privacy__contact-card {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem 2rem;
  }

  .page-privacy__contact-item {
    flex: 0 0 auto;
  }
}

/* ===== 桌面宽度 (≥1024px) ===== */
@media (min-width: 1024px) {
  .page-privacy__hero {
    min-height: 360px;
  }

  .page-privacy__hero-content {
    padding: 4rem 2.5rem 3rem;
  }

  .page-privacy__title {
    font-size: 3rem;
    max-width: 720px;
  }

  .page-privacy__title::after {
    width: 5rem;
    height: 4px;
  }

  .page-privacy__subtitle {
    font-size: 1.125rem;
    max-width: 680px;
  }

  .page-privacy__body {
    flex-direction: row;
    align-items: flex-start;
    padding: 3rem 2.5rem 5rem;
    gap: 3rem;
  }

  .page-privacy__toc {
    position: sticky;
    top: calc(var(--header-height, 64px) + 2rem);
    width: 240px;
    min-width: 200px;
    margin-bottom: 0;
    padding: 1.75rem 1.5rem;
  }

  .page-privacy__toc-list {
    flex-direction: column;
    gap: 0.4rem;
  }

  .page-privacy__content {
    min-width: 0;
  }

  .page-privacy__section-heading {
    font-size: 1.75rem;
  }

  .page-privacy__section {
    margin-bottom: 3.5rem;
    padding-bottom: 3.5rem;
  }

  .page-privacy__section--highlight {
    padding: 2.25rem 2.5rem;
  }

  .page-privacy__trust {
    padding: 2rem 2.5rem 3rem;
  }
}

/* ===== 超宽屏 (≥1440px) ===== */
@media (min-width: 1440px) {
  .page-privacy__hero-content {
    padding: 5rem 3rem 3.5rem;
  }

  .page-privacy__title {
    font-size: 3.25rem;
  }

  .page-privacy__body {
    padding: 3.5rem 3rem 6rem;
    gap: 4rem;
  }

  .page-privacy__toc {
    width: 280px;
    min-width: 240px;
  }
}
<<<PAGE_HTML>>>