.page-privacy {
  background-color: var(--color-cool-white);
  color: var(--color-near-black);
  font-family: var(--font-body);
  line-height: 1.7;
  padding-bottom: 48px;
}

/* 面包屑 */
.page-privacy .breadcrumb-nav {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 24px 20px 0;
  font-size: 0.8125rem;
  color: var(--color-neutral-gray);
}

.page-privacy .breadcrumb-nav a {
  color: var(--color-neutral-gray);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.page-privacy .breadcrumb-nav a:hover {
  color: var(--color-neon-cyan);
}

.page-privacy .breadcrumb-sep {
  margin: 0 8px;
  color: var(--color-light-gray-blue);
}

/* 首屏政策头部 */
.page-privacy .privacy-hero {
  position: relative;
  margin-top: 20px;
  background: var(--color-deep-space);
  color: var(--color-pure-white);
  border-bottom: 3px solid var(--color-neon-cyan);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "AI & DATA TRUST";
  position: absolute;
  top: 18px;
  right: 20px;
  font-family: var(--font-data);
  font-size: 0.625rem;
  letter-spacing: 0.24em;
  color: rgba(0, 229, 255, 0.38);
  pointer-events: none;
  z-index: 1;
}

.page-privacy .privacy-hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 36px 20px 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.page-privacy .privacy-kicker {
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--color-neon-cyan);
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-headline);
  font-size: clamp(1.7rem, 4vw, 2.75rem);
  font-weight: 900;
  line-height: 1.25;
  margin: 0;
  color: var(--color-pure-white);
  max-width: 820px;
}

.page-privacy .privacy-hero-lede {
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(245, 247, 250, 0.85);
  max-width: 760px;
  margin: 0;
}

.page-privacy .privacy-hero-shield {
  width: 56px;
  height: 56px;
  color: var(--color-gold-highlight);
  flex-shrink: 0;
}

.page-privacy .privacy-hero-img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 28px;
}

/* 内容布局 */
.page-privacy .privacy-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 36px 20px 48px;
}

.page-privacy .privacy-article {
  min-width: 0;
  background: var(--color-pure-white);
  border: 1px solid var(--color-light-gray-blue);
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  padding: 28px 20px;
}

.page-privacy .privacy-section {
  padding: 30px 0;
  border-bottom: 1px solid var(--color-light-gray-blue);
  scroll-margin-top: calc(var(--header-height) + 20px);
}

.page-privacy .privacy-section:first-child {
  padding-top: 0;
}

.page-privacy .privacy-section-last {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .privacy-section-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .privacy-section-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 24px;
  padding: 0 8px;
  background: var(--color-deep-space);
  color: var(--color-gold-highlight);
  border-radius: 3px;
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-privacy .privacy-section-head h2 {
  font-family: var(--font-headline);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-deep-space);
  margin: 0;
}

.page-privacy .privacy-section p,
.page-privacy .privacy-section li {
  font-size: 0.9375rem;
  line-height: 1.75;
}

.page-privacy .privacy-section p {
  margin: 0 0 14px;
}

.page-privacy .privacy-section p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 14px 0 18px;
  padding: 0;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--color-electric-purple);
  border-radius: 2px;
}

.page-privacy .privacy-list strong {
  color: var(--color-deep-space);
  font-weight: 700;
}

.page-privacy .privacy-notes {
  background: rgba(123, 47, 190, 0.07);
  border-left: 3px solid var(--color-electric-purple);
  padding: 14px 18px;
  margin: 16px 0 0;
  border-radius: 0 var(--radius-small) var(--radius-small) 0;
}

.page-privacy .privacy-notes p {
  margin: 0;
  font-size: 0.875rem;
}

.page-privacy .privacy-footer-note {
  margin-top: 28px;
  padding: 20px 24px;
  background: var(--color-deep-blue-gray);
  border-radius: var(--radius-base);
  color: var(--color-cool-white);
  font-size: 0.875rem;
}

.page-privacy .privacy-footer-note p {
  margin: 0;
}

/* 旁注边栏 */
.page-privacy .privacy-sidebar {
  margin-top: 28px;
}

.page-privacy .privacy-toc,
.page-privacy .privacy-note {
  background: var(--color-pure-white);
  border: 1px solid var(--color-light-gray-blue);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-card);
  padding: 20px;
  margin-bottom: 16px;
}

.page-privacy .privacy-toc {
  border-top: 3px solid var(--color-neon-cyan);
}

.page-privacy .privacy-toc h2,
.page-privacy .privacy-note h2 {
  font-family: var(--font-headline);
  font-size: 1rem;
  color: var(--color-deep-space);
  margin: 0 0 14px;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-toc li {
  border-bottom: 1px solid var(--color-light-gray-blue);
}

.page-privacy .privacy-toc li:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-toc a {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 2px;
  color: var(--color-near-black);
  font-size: 0.875rem;
  text-decoration: none;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.page-privacy .privacy-toc a:hover {
  color: var(--color-neon-cyan);
  padding-left: 8px;
}

.page-privacy .privacy-note {
  border-top: 3px solid var(--color-gold-highlight);
}

.page-privacy .privacy-note-purple {
  border-top-color: var(--color-electric-purple);
  background: rgba(123, 47, 190, 0.05);
}

.page-privacy .privacy-note p {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--color-near-black);
}

/* 桌面端布局 */
@media (min-width: 860px) {
  .page-privacy {
    padding-bottom: 64px;
  }

  .page-privacy .breadcrumb-nav {
    padding-top: 28px;
    padding-left: 32px;
    padding-right: 32px;
  }

  .page-privacy .privacy-hero::before {
    top: 24px;
    right: 32px;
    font-size: 0.6875rem;
  }

  .page-privacy .privacy-hero-inner {
    padding: 48px 32px 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 40px;
    align-items: end;
  }

  .page-privacy .privacy-hero-shield {
    width: 76px;
    height: 76px;
  }

  .page-privacy .privacy-hero-img {
    margin-top: 36px;
  }

  .page-privacy .privacy-layout {
    padding: 48px 32px 64px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    grid-template-areas: "article sidebar";
    gap: 48px;
    align-items: start;
  }

  .page-privacy .privacy-article {
    grid-area: article;
    padding: 40px 44px;
  }

  .page-privacy .privacy-sidebar {
    grid-area: sidebar;
    margin-top: 0;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-height) + 24px);
  }

  .page-privacy .privacy-section-head h2 {
    font-size: 1.5rem;
  }
}