/* ===== 数据与隐私政策 页面专属样式 ===== */
.page-privacy {
  --color-list-marker: #b8860b;
  --color-divider: rgba(184, 134, 11, 0.25);
  --color-divider-strong: rgba(184, 134, 11, 0.45);
  --toc-width: 230px;
  --content-max-width: 740px;
  scroll-behavior: smooth;
}

/* ===== 面包屑 ===== */
.page-privacy__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-family: var(--font-body, Merriweather, Georgia, serif);
  color: var(--color-text-secondary, #ccc);
  padding: 1.25rem 0 0.75rem;
  flex-wrap: wrap;
}

.page-privacy__breadcrumb-link {
  color: var(--color-accent, #b8860b);
  text-decoration: none;
  transition: color var(--transition-speed, 0.3s);
}

.page-privacy__breadcrumb-link:hover,
.page-privacy__breadcrumb-link:focus-visible {
  color: var(--color-highlight, #ff4500);
  text-decoration: underline;
}

.page-privacy__breadcrumb-sep {
  font-size: 0.75rem;
  opacity: 0.6;
  user-select: none;
}

.page-privacy__breadcrumb-current {
  color: var(--color-text, #fff);
  font-weight: 600;
}

/* ===== 标题区 ===== */
.page-privacy__header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0 2rem;
  border-bottom: 1px solid var(--color-divider);
  margin-bottom: 2rem;
}

.page-privacy__title {
  font-family: var(--font-heading, Impact, Oswald, sans-serif);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text, #fff);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.page-privacy__icon {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.35);
}

.page-privacy__subtitle {
  font-family: var(--font-body, Merriweather, Georgia, serif);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text-secondary, #ccc);
  margin: 0;
  max-width: 42em;
}

/* ===== 主体布局（移动端：单列） ===== */
.page-privacy__body {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ===== 目录 ===== */
.page-privacy__toc {
  background: var(--color-surface, #1a1a1a);
  border: 1px solid var(--color-divider);
  border-radius: 6px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.35);
  flex-shrink: 0;
}

.page-privacy__toc-title {
  font-family: var(--font-heading, Impact, Oswald, sans-serif);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent, #b8860b);
  margin: 0 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-divider);
}

.page-privacy__toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.page-privacy__toc-link {
  display: block;
  font-family: var(--font-body, Merriweather, Georgia, serif);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-text-secondary, #ccc);
  text-decoration: none;
  padding: 0.4rem 0.75rem;
  border-radius: 4px;
  transition: background var(--transition-speed, 0.3s), color var(--transition-speed, 0.3s), border-color var(--transition-speed, 0.3s);
  border-left: 3px solid transparent;
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  background: rgba(184, 134, 11, 0.1);
  color: var(--color-text, #fff);
  border-left-color: var(--color-accent, #b8860b);
}

.page-privacy__toc-link:focus-visible {
  outline: 2px solid var(--color-accent, #b8860b);
  outline-offset: 2px;
}

/* ===== 内容区 ===== */
.page-privacy__content {
  flex: 1;
  min-width: 0;
  max-width: var(--content-max-width);
}

/* ===== 章节 ===== */
.page-privacy__section {
  padding: 0.5rem 0;
}

.page-privacy__section-title {
  font-family: var(--font-heading, Impact, Oswald, sans-serif);
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.25;
  color: var(--color-text, #fff);
  margin: 0 0 1rem;
  letter-spacing: 0.01em;
}

.page-privacy__section-body {
  padding-left: 0.25rem;
}

.page-privacy__text {
  font-family: var(--font-body, Merriweather, Georgia, serif);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text-secondary, #ccc);
  margin: 0 0 1em;
  max-width: 64ch;
}

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

.page-privacy__text--small {
  font-size: 0.875rem;
  color: rgba(204, 204, 204, 0.7);
}

/* ===== 关键术语（暗金色加粗） ===== */
.page-privacy__term {
  color: var(--color-accent, #b8860b);
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* ===== 列表 ===== */
.page-privacy__list {
  list-style: none;
  margin: 0.75rem 0 1.25rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.page-privacy__list li {
  position: relative;
  padding-left: 1.75rem;
  font-family: var(--font-body, Merriweather, Georgia, serif);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-secondary, #ccc);
}

.page-privacy__list li::before {
  content: "▹";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-list-marker);
  font-size: 1.1rem;
  line-height: 1.7;
}

/* ===== 分隔线 ===== */
.page-privacy__divider {
  width: 100%;
  height: 1px;
  background: var(--color-divider-strong);
  margin: 1.75rem 0;
}

/* ===== 页脚附注 ===== */
.page-privacy__footer-note {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-divider);
}

/* ===== 联系链接 ===== */
.page-privacy__contact-link {
  color: var(--color-accent, #b8860b);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--transition-speed, 0.3s), border-color var(--transition-speed, 0.3s);
}

.page-privacy__contact-link:hover,
.page-privacy__contact-link:focus-visible {
  color: var(--color-highlight, #ff4500);
  border-bottom-color: var(--color-highlight, #ff4500);
}

.page-privacy__contact-link:focus-visible {
  outline: 2px solid var(--color-accent, #b8860b);
  outline-offset: 2px;
}

/* ===== 响应式增强 ===== */
@media (max-width: 479px) {
  .page-privacy__title {
    font-size: 1.75rem;
  }

  .page-privacy__section-title {
    font-size: 1.25rem;
  }

  .page-privacy__toc {
    padding: 1rem;
  }

  .page-privacy__toc-list {
    gap: 0.25rem;
  }

  .page-privacy__toc-link {
    font-size: 0.875rem;
    padding: 0.35rem 0.5rem;
  }
}

/* ===== 桌面端（两列布局） ===== */
@media (min-width: 768px) {
  .page-privacy__breadcrumb {
    padding-top: 1.75rem;
    font-size: 0.9375rem;
  }

  .page-privacy__header {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 1.5rem 2rem;
    padding: 1.5rem 0 2.5rem;
    margin-bottom: 2.5rem;
  }

  .page-privacy__title {
    font-size: var(--h1-size, 72px);
    flex: 1 1 auto;
    min-width: 280px;
  }

  .page-privacy__icon {
    order: 1;
    width: 100px;
    height: 100px;
  }

  .page-privacy__subtitle {
    flex-basis: 100%;
    font-size: 1.125rem;
  }

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

  .page-privacy__toc {
    position: sticky;
    top: 2rem;
    width: var(--toc-width);
    min-width: var(--toc-width);
    padding: 1.5rem 1.25rem;
    max-height: calc(100vh - 6rem);
    overflow-y: auto;
  }

  .page-privacy__toc-title {
    font-size: 1.125rem;
  }

  .page-privacy__toc-link {
    font-size: 1rem;
    padding: 0.5rem 0.75rem;
  }

  .page-privacy__content {
    max-width: var(--content-max-width);
  }

  .page-privacy__section-title {
    font-size: var(--h2-size, 48px);
    margin-bottom: 1.25rem;
  }

  .page-privacy__text {
    font-size: var(--body-size, 18px);
  }

  .page-privacy__list li {
    font-size: var(--body-size, 18px);
  }

  .page-privacy__section {
    padding: 0.75rem 0;
  }

  .page-privacy__divider {
    margin: 2.25rem 0;
  }
}

@media (min-width: 1024px) {
  .page-privacy__body {
    gap: 3.5rem;
  }

  .page-privacy__toc {
    width: 260px;
    min-width: 260px;
    padding: 1.75rem 1.5rem;
  }
}