.page-privacy {
  --privacy-intro-bg: var(--color-bg);
  --privacy-nav-width: 180px;
  --privacy-border-color: var(--color-border-light);
  box-sizing: border-box;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}
.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: inherit;
}
.page-privacy .breadcrumb {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-neutral-light);
  margin-bottom: 1rem;
}
.page-privacy .breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
}
.page-privacy .breadcrumb a:hover {
  text-decoration: underline;
}
.page-privacy .breadcrumb__sep {
  margin: 0 0.5rem;
  color: var(--color-border);
}
.page-privacy .privacy-intro {
  background: var(--privacy-intro-bg);
  padding: 2.5rem 1.5rem 2rem;
  border-bottom: 1px solid var(--privacy-border-color);
}
.page-privacy .privacy-intro__inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
}
.page-privacy .privacy-intro__icon {
  flex: 0 0 80px;
}
.page-privacy .privacy-intro__icon img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
}
.page-privacy .privacy-intro__title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
  margin: 0;
  flex: 1 1 60%;
  letter-spacing: 0.02em;
}
.page-privacy .privacy-intro__desc {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-neutral);
  margin: 0;
  flex: 0 0 100%;
}
.page-privacy .privacy-intro__note {
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--color-neutral-light);
  margin: 0;
  flex: 0 0 100%;
}
.page-privacy .privacy-layout {
  display: flex;
  flex-wrap: wrap;
  max-width: var(--container-max);
  margin: 2rem auto;
  padding: 0 1.5rem;
  gap: 2rem;
}
.page-privacy .privacy-nav {
  flex: 0 0 var(--privacy-nav-width);
  position: sticky;
  top: calc(var(--header-height) + 1rem);
  align-self: flex-start;
  display: none;
}
.page-privacy .privacy-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--privacy-border-color);
}
.page-privacy .privacy-nav__link {
  display: block;
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-neutral);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.page-privacy .privacy-nav__link:hover,
.page-privacy .privacy-nav__link:focus {
  color: var(--color-primary);
}
.page-privacy .privacy-nav__link[data-active] {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 600;
}
.page-privacy .privacy-content {
  flex: 1 1 100%;
  min-width: 0;
}
.page-privacy .chapter {
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--privacy-border-color);
}
.page-privacy .chapter:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
}
.page-privacy .chapter__number {
  display: block;
  font-family: var(--font-data);
  font-size: 0.75rem;
  color: var(--color-primary);
  letter-spacing: 0.1em;
  margin-bottom: 0.25rem;
}
.page-privacy .chapter__title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  font-style: italic;
  color: var(--color-text);
  margin: 0 0 1rem;
  display: inline-block;
  border-bottom: 3px solid var(--color-primary);
  padding-bottom: 0.15em;
}
.page-privacy .chapter__body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-neutral);
}
.page-privacy .chapter__body p {
  margin: 0 0 1rem;
}
.page-privacy .chapter__body p:last-child {
  margin-bottom: 0;
}
.page-privacy .chapter__body ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin: 0 0 1rem;
}
.page-privacy .chapter__body ul:last-child {
  margin-bottom: 0;
}
.page-privacy .chapter__body li {
  margin-bottom: 0.5rem;
}
.page-privacy .chapter__body li:last-child {
  margin-bottom: 0;
}
.page-privacy .chapter__body strong {
  color: var(--color-text);
}
.page-privacy .privacy-contact {
  list-style: none !important;
  padding-left: 0 !important;
  margin: 1rem 0 0 !important;
}
.page-privacy .privacy-contact li {
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  color: var(--color-neutral);
}
.page-privacy .privacy-contact li:last-child {
  margin-bottom: 0;
}
.page-privacy .privacy-contact__link {
  color: var(--color-primary);
  text-decoration: none;
  word-break: break-all;
}
.page-privacy .privacy-contact__link:hover {
  text-decoration: underline;
}
.page-privacy .privacy-footer-note {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1rem 1.5rem 2.5rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-neutral-light);
  text-align: center;
  border-top: 1px solid var(--privacy-border-color);
}

/* 桌面：展示左侧导航 */
@media (min-width: 768px) {
  .page-privacy .privacy-intro {
    padding: 3rem 2rem 2rem;
  }
  .page-privacy .privacy-intro__title {
    font-size: 2.5rem;
  }
  .page-privacy .privacy-intro__icon {
    flex-basis: 100px;
  }
  .page-privacy .privacy-layout {
    flex-wrap: nowrap;
    padding: 0 2rem;
    gap: 3rem;
  }
  .page-privacy .privacy-nav {
    display: block;
    flex-basis: var(--privacy-nav-width);
    flex-shrink: 0;
  }
  .page-privacy .privacy-content {
    flex: 1 1 0;
  }
  .page-privacy .privacy-footer-note {
    padding: 1.5rem 2rem 3rem;
  }
}