.page-privacy {
  --privacy-toc-w: 232px;
  --privacy-sticky: 104px;
  position: relative;
  isolation: isolate;
  background-color: var(--color-surface);
  background-image:
    radial-gradient(58% 42% at 6% 1%, color-mix(in srgb, var(--color-primary) 15%, transparent), transparent 70%),
    radial-gradient(48% 40% at 98% 10%, color-mix(in srgb, var(--color-accent) 13%, transparent), transparent 72%);
  background-repeat: no-repeat;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  padding-block: var(--space-8) var(--space-6);
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: var(--space-4);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: var(--space-6);
  margin-top: var(--space-4);
}

.page-privacy .privacy-hero__lead h1 {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-privacy .privacy-hero__lead .lede {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.68;
  color: var(--color-ink-soft);
}

.page-privacy .privacy-hero__aside {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.page-privacy .privacy-facts {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-2) 0 0;
}

.page-privacy .privacy-facts__row {
  display: grid;
  gap: calc(var(--space-1) * 0.5);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
}

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

.page-privacy .privacy-facts dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-facts dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.68;
  color: var(--color-ink-soft);
}

/* ---------- 抽象纹理带 ---------- */

.page-privacy .privacy-band {
  position: relative;
  overflow: hidden;
  background-color: var(--color-contrast-surface);
}

.page-privacy .privacy-band img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.06);
  opacity: 0.7;
}

.page-privacy .privacy-band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--color-contrast-surface) 16%, transparent),
      color-mix(in srgb, var(--color-contrast-surface) 80%, transparent)
    ),
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--color-primary) 50%, transparent),
      transparent 62%
    );
}

/* ---------- 正文骨架 ---------- */

.page-privacy .privacy-doc {
  padding-block: var(--space-8) var(--space-8);
}

.page-privacy .privacy-doc__grid {
  display: grid;
  gap: var(--space-6);
  align-items: start;
}

.page-privacy .privacy-body {
  display: grid;
  gap: var(--space-8);
  max-width: var(--measure);
  min-width: 0;
}

/* ---------- 章节目录 ---------- */

.page-privacy .privacy-toc {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--color-surface) 82%, transparent);
  box-shadow: var(--shadow-1);
  backdrop-filter: blur(10px);
}

.page-privacy .privacy-toc__list {
  display: grid;
  gap: calc(var(--space-1) * 0.25);
  margin: var(--space-2) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-toc__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
  padding: var(--space-1) var(--space-1) var(--space-1) var(--space-2);
  border-left: calc(var(--border-thin) * 3) solid var(--color-line);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.5;
  text-decoration: none;
  transition: color 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-left-color: var(--color-primary);
  color: var(--color-ink);
  background-color: color-mix(in srgb, var(--color-primary-soft) 72%, transparent);
}

.page-privacy .privacy-toc__link:focus-visible {
  outline: calc(var(--border-thin) * 2) solid var(--color-focus);
  outline-offset: calc(var(--border-thin) * 2);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  transition: color 180ms ease;
}

.page-privacy .privacy-toc__link:hover .privacy-toc__num,
.page-privacy .privacy-toc__link:focus-visible .privacy-toc__num {
  color: var(--color-primary);
}

/* 章节被定位时，目录对应项常驻竖线标记 */
.page-privacy .privacy-doc__grid:has(#policy-scope:target) .privacy-toc__link[href="#policy-scope"],
.page-privacy .privacy-doc__grid:has(#policy-collect:target) .privacy-toc__link[href="#policy-collect"],
.page-privacy .privacy-doc__grid:has(#policy-use:target) .privacy-toc__link[href="#policy-use"],
.page-privacy .privacy-doc__grid:has(#policy-choice:target) .privacy-toc__link[href="#policy-choice"],
.page-privacy .privacy-doc__grid:has(#policy-update:target) .privacy-toc__link[href="#policy-update"] {
  border-left-color: var(--color-primary);
  color: var(--color-ink);
  background-color: color-mix(in srgb, var(--color-primary-soft) 78%, transparent);
}

.page-privacy .privacy-doc__grid:has(#policy-scope:target) .privacy-toc__link[href="#policy-scope"] .privacy-toc__num,
.page-privacy .privacy-doc__grid:has(#policy-collect:target) .privacy-toc__link[href="#policy-collect"] .privacy-toc__num,
.page-privacy .privacy-doc__grid:has(#policy-use:target) .privacy-toc__link[href="#policy-use"] .privacy-toc__num,
.page-privacy .privacy-doc__grid:has(#policy-choice:target) .privacy-toc__link[href="#policy-choice"] .privacy-toc__num,
.page-privacy .privacy-doc__grid:has(#policy-update:target) .privacy-toc__link[href="#policy-update"] .privacy-toc__num {
  color: var(--color-primary);
}

/* ---------- 条款章节 ---------- */

.page-privacy .privacy-chapter {
  scroll-margin-top: var(--privacy-sticky);
}

.page-privacy .privacy-chapter__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-privacy .privacy-chapter:target .privacy-chapter__head {
  border-bottom-color: var(--color-primary);
}

.page-privacy .privacy-chapter__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-accent);
}

.page-privacy .privacy-chapter__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-privacy .privacy-chapter__lede {
  margin: var(--space-3) 0 0;
  color: var(--color-ink-soft);
}

.page-privacy .privacy-points {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-point {
  padding-left: var(--space-3);
  border-left: calc(var(--border-thin) * 3) solid color-mix(in srgb, var(--color-primary) 40%, transparent);
}

.page-privacy .privacy-point h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  color: var(--color-ink);
}

.page-privacy .privacy-point p {
  margin: var(--space-1) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-privacy .privacy-point p + p {
  margin-top: calc(var(--space-1) * 0.75);
  color: var(--color-ink-soft);
}

/* ---------- 操作选项 ---------- */

.page-privacy .privacy-actions {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-action {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background-color: color-mix(in srgb, var(--color-surface-alt) 74%, transparent);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.page-privacy .privacy-action:hover {
  border-color: color-mix(in srgb, var(--color-primary) 46%, var(--color-line));
  box-shadow: var(--shadow-1);
}

.page-privacy .privacy-action h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.4;
  color: var(--color-ink);
}

.page-privacy .privacy-action__meta {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.68;
  color: var(--color-ink-soft);
}

.page-privacy .privacy-action__k {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--color-accent);
  white-space: nowrap;
}

/* ---------- 出口与回顶 ---------- */

.page-privacy .privacy-exit {
  margin-top: var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
}

.page-privacy .privacy-exit p {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  color: var(--color-ink);
}

.page-privacy .privacy-exit a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: calc(var(--space-1) * 0.4);
}

.page-privacy .privacy-exit a:hover,
.page-privacy .privacy-exit a:focus-visible {
  color: var(--color-focus);
}

.page-privacy .privacy-top-wrap {
  display: flex;
  justify-content: flex-start;
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-privacy .privacy-top {
  display: inline-grid;
  gap: calc(var(--space-1) * 0.5);
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: color 180ms ease;
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  color: var(--color-primary);
}

.page-privacy .privacy-top__ticks {
  display: block;
  width: calc(var(--space-8) * 2);
  height: var(--space-1);
  background-image: repeating-linear-gradient(
    90deg,
    var(--color-line) 0 calc(var(--border-thin)),
    transparent calc(var(--border-thin)) calc(var(--space-1) * 0.75)
  );
  transition: opacity 180ms ease;
}

.page-privacy .privacy-top:hover .privacy-top__ticks,
.page-privacy .privacy-top:focus-visible .privacy-top__ticks {
  opacity: 0.6;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-privacy .privacy-band img {
    aspect-ratio: 16 / 5;
  }

  .page-privacy .privacy-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: var(--space-4);
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero {
    padding-block: var(--space-8) var(--space-6);
  }

  .page-privacy .privacy-hero__grid {
    gap: var(--space-8);
  }

  .page-privacy .privacy-doc {
    padding-block: var(--space-8) var(--space-8);
  }

  .page-privacy .privacy-doc__grid {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    gap: var(--space-8);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: var(--privacy-sticky);
    max-height: calc(100vh - var(--privacy-sticky) - var(--space-4));
    overflow-y: auto;
  }
}

@media (min-width: 1140px) {
  .page-privacy .privacy-doc__grid {
    grid-template-columns: var(--privacy-toc-w) minmax(0, 1fr);
    padding-right: var(--space-8);
  }

  .page-privacy .privacy-body {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-action,
  .page-privacy .privacy-top,
  .page-privacy .privacy-top__ticks {
    transition: none;
  }
}