.page-privacy {
  display: block;
  padding-block: var(--space-6) var(--space-8);
  color: var(--color-ink);
  font-family: var(--font-body);
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-bread {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-block-end: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-privacy .privacy-bread a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-block-end: var(--border-thin) solid transparent;
  transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out);
}

.page-privacy .privacy-bread a:hover,
.page-privacy .privacy-bread a:focus-visible {
  color: var(--color-accent);
  border-block-end-color: var(--color-accent);
}

.page-privacy .privacy-bread__sep {
  color: var(--color-ink-muted);
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-intro {
  max-width: 74ch;
  padding-block-end: var(--space-6);
  border-block-end: var(--border-thin) solid var(--color-line);
  margin-block-end: var(--space-6);
}

.page-privacy .privacy-intro__kicker {
  margin: 0 0 var(--space-3);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-intro__kicker .u-mono {
  color: var(--color-primary);
}

.page-privacy .privacy-intro__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-privacy .privacy-intro__lead {
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-privacy .privacy-intro__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-privacy .privacy-intro__meta .u-mono {
  color: var(--color-accent);
  margin-inline-end: 4px;
}

/* ---------- 适用范围托起块 ---------- */
.page-privacy .privacy-scope {
  margin-block-end: var(--space-8);
}

.page-privacy .privacy-scope__box {
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
}

.page-privacy .privacy-scope__summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  list-style: none;
}

.page-privacy .privacy-scope__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-scope__summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 4px;
}

.page-privacy .privacy-scope__badge {
  flex: none;
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  background-color: var(--color-contrast-accent);
  color: var(--color-contrast-surface);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}

.page-privacy .privacy-scope__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-privacy .privacy-scope__chev {
  flex: none;
  margin-inline-start: auto;
  width: 9px;
  height: 9px;
  border-inline-end: var(--border-thin) solid var(--color-contrast-ink);
  border-block-end: var(--border-thin) solid var(--color-contrast-ink);
  transform: rotate(45deg);
  transition: transform 200ms var(--ease-out);
}

.page-privacy .privacy-scope__box[open] .privacy-scope__chev {
  transform: rotate(-135deg);
}

.page-privacy .privacy-scope__body {
  margin-block-start: var(--space-3);
  padding-block-start: var(--space-3);
  border-block-start: var(--border-thin) solid var(--color-contrast-line);
}

.page-privacy .privacy-scope__body p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-privacy .privacy-scope__body p:last-child {
  margin-block-end: 0;
}

.page-privacy .privacy-scope__body a {
  color: var(--color-contrast-accent);
  text-decoration: none;
  border-block-end: var(--border-thin) solid var(--color-contrast-accent);
}

.page-privacy .privacy-scope__body a:hover,
.page-privacy .privacy-scope__body a:focus-visible {
  color: var(--color-contrast-ink);
  border-block-end-color: var(--color-contrast-ink);
}

/* ---------- 栅格与侧栏 ---------- */
.page-privacy .privacy-layout {
  display: block;
}

.page-privacy .privacy-toc {
  margin-block-end: var(--space-6);
  padding-block-end: var(--space-4);
  border-block-end: var(--border-thin) solid var(--color-line);
}

.page-privacy .privacy-toc__title {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 var(--space-3);
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-block: 7px;
  font-size: var(--text-sm);
  line-height: 1.45;
  color: var(--color-ink-soft);
  text-decoration: none;
  border-block-end: var(--border-thin) solid var(--color-line);
  transition: color 160ms var(--ease-out);
}

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

.page-privacy .privacy-toc__n {
  flex: none;
  color: var(--color-primary);
  font-size: var(--text-sm);
}

/* ---------- 分组 ---------- */
.page-privacy .privacy-group {
  margin-block-end: var(--space-8);
}

.page-privacy .privacy-group__label {
  margin: 0 0 var(--space-3);
  padding-block-end: var(--space-2);
  border-block-end: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-group__label .u-mono {
  color: var(--color-accent);
  margin-inline-end: 6px;
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  padding-block: var(--space-4);
  border-block-end: var(--border-thin) solid var(--color-line);
}

.page-privacy .privacy-section:first-of-type {
  padding-block-start: 0;
}

.page-privacy .privacy-section:last-of-type {
  border-block-end: none;
  padding-block-end: 0;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  margin-block-end: var(--space-3);
}

.page-privacy .privacy-num {
  flex: none;
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
  color: transparent;
  -webkit-text-stroke: var(--border-thin) var(--color-primary);
  text-decoration: none;
  transition: -webkit-text-stroke-color 160ms var(--ease-out), color 160ms var(--ease-out);
}

.page-privacy .privacy-num .u-mono {
  font-size: inherit;
}

.page-privacy .privacy-num:hover,
.page-privacy .privacy-num:focus-visible {
  color: var(--color-primary);
  -webkit-text-stroke-color: var(--color-primary);
}

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

.page-privacy .privacy-section__body p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-privacy .privacy-section__body p:last-child {
  margin-block-end: 0;
}

.page-privacy .privacy-section__body a {
  color: var(--color-accent);
  text-decoration: none;
  border-block-end: var(--border-thin) solid var(--color-accent);
}

.page-privacy .privacy-section__body a:hover,
.page-privacy .privacy-section__body a:focus-visible {
  color: var(--color-primary);
  border-block-end-color: var(--color-primary);
}

.page-privacy .privacy-section__foot {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-muted);
  padding-inline-start: var(--space-2);
  border-inline-start: var(--border-thin) solid var(--color-line);
}

/* ---------- 图片带 ---------- */
.page-privacy .privacy-figure {
  margin: 0 0 var(--space-8);
}

/* ---------- 页尾托起块 ---------- */
.page-privacy .privacy-tail {
  margin-block-start: var(--space-8);
  padding: var(--space-4) var(--space-3);
  background-color: var(--color-primary-soft);
  border-inline-start: var(--border-thin) solid var(--color-primary);
  border-radius: var(--radius-md);
}

.page-privacy .privacy-tail__kicker {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

.page-privacy .privacy-tail__kicker .u-mono {
  color: var(--color-accent);
}

.page-privacy .privacy-tail__title {
  margin: 0 0 var(--space-2);
  max-width: 34ch;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-privacy .privacy-tail__text {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-privacy .privacy-tail__text a {
  color: var(--color-accent);
  text-decoration: none;
  border-block-end: var(--border-thin) solid var(--color-accent);
}

.page-privacy .privacy-tail__text a:hover,
.page-privacy .privacy-tail__text a:focus-visible {
  color: var(--color-ink);
  border-block-end-color: var(--color-ink);
}

.page-privacy .privacy-tail__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.02em;
  color: var(--color-accent);
  word-break: break-all;
}

/* ---------- 焦点 ---------- */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-privacy {
    padding-block: var(--space-8) var(--space-8);
  }

  .page-privacy .privacy-intro {
    margin-block-end: var(--space-8);
    padding-block-end: var(--space-8);
  }

  .page-privacy .privacy-scope__box {
    padding: var(--space-4);
  }

  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: 216px minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: var(--space-6);
    margin-block-end: 0;
    padding-block-end: 0;
    border-block-end: none;
    border-inline-end: var(--border-thin) solid var(--color-line);
    padding-inline-end: var(--space-3);
  }

  .page-privacy .privacy-toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
  }

  .page-privacy .privacy-toc__link {
    padding-block: 9px;
  }

  .page-privacy .privacy-tail {
    padding: var(--space-6);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "kicker mail"
      "title  mail"
      "text   mail";
    align-items: center;
    column-gap: var(--space-6);
  }

  .page-privacy .privacy-tail__kicker { grid-area: kicker; }
  .page-privacy .privacy-tail__title { grid-area: title; }
  .page-privacy .privacy-tail__text { grid-area: text; margin-block-end: 0; }
  .page-privacy .privacy-tail__mail {
    grid-area: mail;
    text-align: right;
    font-size: var(--text-lg);
  }
}

@media (min-width: 1160px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 240px minmax(0, 1fr);
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-scope__chev,
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-num,
  .page-privacy .privacy-bread a {
    transition: none;
  }
}