.page-privacy {
  --privacy-index-width: 220px;
  --privacy-gap: 2rem;
  --privacy-section-gap: 2.5rem;
  display: block;
  width: 100%;
  background: var(--c-light, #F8F9FA);
  color: var(--c-dark, #2B2D42);
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  line-height: 1.7;
}
.page-privacy__inner {
  max-width: var(--max-width, 1200px);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}
.page-privacy__header {
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 2px solid var(--c-secondary, #C0C0C0);
  position: relative;
}
.page-privacy__header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 80px;
  height: 2px;
  background: var(--c-primary, #E63946);
}
.page-privacy__breadcrumb {
  font-size: var(--scale-small, 0.875rem);
  color: var(--c-dark, #2B2D42);
  opacity: 0.75;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
}
.page-privacy__breadcrumb a {
  color: var(--c-primary, #E63946);
  text-decoration: none;
  transition: color 0.15s;
}
.page-privacy__breadcrumb a:hover,
.page-privacy__breadcrumb a:focus-visible {
  color: var(--c-accent, #39FF14);
  outline: 2px solid var(--c-accent, #39FF14);
  outline-offset: 2px;
}
.page-privacy__breadcrumb-sep {
  color: var(--c-secondary, #C0C0C0);
  font-weight: 700;
}
.page-privacy__title {
  font-family: var(--font-head, 'Inter', sans-serif);
  font-size: var(--scale-h1, 2.5rem);
  font-weight: 800;
  color: var(--c-dark, #2B2D42);
  margin: 0 0 0.25rem;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.page-privacy__subtitle {
  font-size: var(--scale-body, 1rem);
  color: var(--c-dark, #2B2D42);
  opacity: 0.7;
  margin: 0 0 0.25rem;
  font-weight: 400;
}
.page-privacy__effective {
  font-size: var(--scale-small, 0.875rem);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  color: var(--c-primary, #E63946);
  margin: 0.5rem 0 0;
  opacity: 0.85;
}

.page-privacy__layout {
  display: flex;
  flex-direction: column;
  gap: var(--privacy-gap, 2rem);
}

/* 左侧索引 — 桌面侧边栏 */
.page-privacy__index {
  background: var(--c-dark, #2B2D42);
  color: var(--c-light, #F8F9FA);
  padding: 1.25rem 1.25rem 1.5rem;
  border-left: 4px solid var(--c-primary, #E63946);
  order: -1;
  width: 100%;
}
.page-privacy__index-heading {
  font-family: var(--font-head, 'Inter', sans-serif);
  font-size: var(--scale-h3, 1.5rem);
  font-weight: 700;
  margin: 0 0 1rem;
  color: var(--c-secondary, #C0C0C0);
  letter-spacing: 0.03em;
}
.page-privacy__index-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: idx-counter;
}
.page-privacy__index-list li {
  counter-increment: idx-counter;
  margin-bottom: 0.6rem;
  font-size: var(--scale-body, 1rem);
}
.page-privacy__index-list li::before {
  content: counter(idx-counter, decimal-leading-zero);
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--scale-small, 0.875rem);
  color: var(--c-accent, #39FF14);
  margin-right: 0.6rem;
  opacity: 0.8;
}
.page-privacy__index-list a {
  color: var(--c-light, #F8F9FA);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
  font-weight: 500;
}
.page-privacy__index-list a:hover,
.page-privacy__index-list a:focus-visible {
  color: var(--c-accent, #39FF14);
  border-bottom-color: currentColor;
  outline: none;
}

/* 主内容区 */
.page-privacy__content {
  flex: 1;
  min-width: 0;
}
.page-privacy__section {
  margin-bottom: var(--privacy-section-gap, 2.5rem);
  padding-bottom: var(--privacy-section-gap, 2.5rem);
  border-bottom: 1px solid var(--c-secondary, #C0C0C0);
  position: relative;
}
.page-privacy__section:last-of-type {
  border-bottom: none;
  margin-bottom: 1.5rem;
}
.page-privacy__section-heading {
  font-family: var(--font-head, 'Inter', sans-serif);
  font-size: var(--scale-h2, 2rem);
  font-weight: 700;
  color: var(--c-dark, #2B2D42);
  margin: 0 0 1rem;
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  line-height: 1.2;
}
.page-privacy__section-number {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 1.1rem;
  color: var(--c-primary, #E63946);
  font-weight: 600;
  opacity: 0.8;
  min-width: 2.4rem;
}
.page-privacy__section-text {
  font-size: var(--scale-body, 1rem);
  color: var(--c-dark, #2B2D42);
  margin: 0 0 0.9rem;
  max-width: 72ch;
}
.page-privacy__section-text strong {
  color: var(--c-primary, #E63946);
  font-weight: 600;
}
.page-privacy__list {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem;
}
.page-privacy__list li {
  position: relative;
  padding-left: 1.4rem;
  margin-bottom: 0.55rem;
  font-size: var(--scale-body, 1rem);
  line-height: 1.6;
}
.page-privacy__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 0.45em;
  height: 0.45em;
  background: var(--c-primary, #E63946);
  border-radius: 0;
  transform: rotate(45deg);
}
.page-privacy__list--ordered {
  counter-reset: ordered-counter;
}
.page-privacy__list--ordered li {
  counter-increment: ordered-counter;
  padding-left: 2rem;
}
.page-privacy__list--ordered li::before {
  content: counter(ordered-counter) ".";
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--scale-small, 0.875rem);
  color: var(--c-primary, #E63946);
  background: none;
  width: auto;
  height: auto;
  transform: none;
  top: 0.1em;
  font-weight: 600;
}
.page-privacy__list a {
  color: var(--c-primary, #E63946);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.page-privacy__list a:hover,
.page-privacy__list a:focus-visible {
  border-bottom-color: currentColor;
  color: var(--c-accent, #39FF14);
  outline: none;
}
.page-privacy__section-meta {
  font-size: var(--scale-small, 0.875rem);
  color: var(--c-dark, #2B2D42);
  opacity: 0.65;
  margin: 1rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--c-secondary, #C0C0C0);
}

/* 数据保护区块 — 图文并排 */
.page-privacy__protection-layout {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  align-items: flex-start;
}
.page-privacy__protection-text {
  flex: 1;
  min-width: 0;
}
.page-privacy__protection-visual {
  flex-shrink: 0;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 0.5rem;
  background: var(--gradient-silver, linear-gradient(135deg, #C0C0C0, #E0E0E0));
  border: 2px solid var(--c-secondary, #C0C0C0);
  width: 160px;
  height: 160px;
  position: relative;
}
.page-privacy__protection-visual::before {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 1px solid var(--c-primary, #E63946);
  pointer-events: none;
  opacity: 0.3;
}
.page-privacy__protection-icon {
  width: 150px;
  height: 150px;
  object-fit: contain;
  display: block;
  background: var(--c-light, #F8F9FA);
  mix-blend-mode: multiply;
}

/* 联系卡片 */
.page-privacy__contact-card {
  background: var(--c-light, #F8F9FA);
  border: 1px solid var(--c-secondary, #C0C0C0);
  padding: 1.25rem 1.5rem;
  margin: 1rem 0 0.5rem;
  position: relative;
}
.page-privacy__contact-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--gradient-red, linear-gradient(135deg, #E63946, #FF6B6B));
}
.page-privacy__contact-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
  margin: 0;
  padding: 0;
}
.page-privacy__contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.page-privacy__contact-item dt {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: var(--scale-small, 0.875rem);
  color: var(--c-primary, #E63946);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.page-privacy__contact-item dd {
  margin: 0;
  font-size: var(--scale-body, 1rem);
  color: var(--c-dark, #2B2D42);
  word-break: break-all;
}
.page-privacy__contact-item a {
  color: var(--c-primary, #E63946);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.page-privacy__contact-item a:hover,
.page-privacy__contact-item a:focus-visible {
  border-bottom-color: currentColor;
  color: var(--c-accent, #39FF14);
  outline: none;
}
.page-privacy__doc-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 2px solid var(--c-secondary, #C0C0C0);
}
.page-privacy__update-note {
  font-size: var(--scale-small, 0.875rem);
  color: var(--c-dark, #2B2D42);
  opacity: 0.7;
  margin: 0;
}
.page-privacy__update-note a {
  color: var(--c-primary, #E63946);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s;
}
.page-privacy__update-note a:hover,
.page-privacy__update-note a:focus-visible {
  border-bottom-color: currentColor;
  color: var(--c-accent, #39FF14);
  outline: none;
}

/* 锚点滚动高亮支持 */
.page-privacy__section:target {
  border-left: 4px solid var(--c-accent, #39FF14);
  padding-left: 1rem;
  transition: border-color 0.2s ease, padding-left 0.2s ease;
}

/* ========== 桌面端媒体查询 ========== */
@media (min-width: 768px) {
  .page-privacy__inner {
    padding: 2.5rem 2rem 4rem;
  }
  .page-privacy__layout {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--privacy-gap, 2rem);
  }
  .page-privacy__index {
    position: sticky;
    top: 1.5rem;
    order: 0;
    width: var(--privacy-index-width, 220px);
    flex-shrink: 0;
    padding: 1.5rem 1.25rem 1.75rem;
  }
  .page-privacy__content {
    flex: 1;
    min-width: 0;
  }
  .page-privacy__protection-layout {
    flex-direction: row;
    align-items: flex-start;
    gap: 2rem;
  }
  .page-privacy__protection-visual {
    width: 180px;
    height: 180px;
  }
  .page-privacy__contact-list {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy__section-heading {
    font-size: var(--scale-h2, 2rem);
  }
  .page-privacy__section:target {
    padding-left: 1.5rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy__inner {
    padding: 3rem 2rem 5rem;
  }
  .page-privacy__index {
    width: 240px;
    padding: 1.75rem 1.5rem 2rem;
  }
  .page-privacy__protection-visual {
    width: 200px;
    height: 200px;
  }
}