.page-privacy {
  --privacy-measure: 34em;
  --privacy-stack: clamp(38px, 7vw, 84px);
}

/* 阅读进度尺：宽屏固定于右侧 */
.page-privacy .privacy-gauge {
  display: none;
}

.page-privacy .privacy-gauge__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--lime-signal);
  transform-origin: top center;
}

@keyframes privacy-gauge-fill {
  from { transform: scaleY(0.02); }
  to { transform: scaleY(1); }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-gauge {
    display: block;
    position: fixed;
    top: 50%;
    right: 22px;
    width: 2px;
    height: 200px;
    margin-top: -100px;
    background: var(--line);
    z-index: 3;
    overflow: hidden;
  }
}

@supports (animation-timeline: scroll()) {
  @media (min-width: 1180px) and (prefers-reduced-motion: no-preference) {
    .page-privacy .privacy-gauge__fill {
      animation: privacy-gauge-fill linear both;
      animation-timeline: scroll(root block);
    }
  }
}

/* 首屏：暖纸色标题区 */
.page-privacy .privacy-head {
  background: var(--paper);
  color: var(--paper-ink);
  border-bottom: var(--frame) solid var(--paper-ink);
  padding-block: clamp(26px, 4.5vw, 52px) clamp(36px, 6vw, 76px);
}

.page-privacy .breadcrumb__link,
.page-privacy .breadcrumb__current {
  color: var(--paper-grey);
}

.page-privacy .breadcrumb__link:hover,
.page-privacy .breadcrumb__link:focus-visible {
  color: var(--paper-ink);
}

.page-privacy .privacy-head__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(22px, 3.5vw, 40px);
}

.page-privacy .privacy-head__kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 5px 12px;
  background: var(--lime-signal);
  color: var(--paper-ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  line-height: 1.4;
}

.page-privacy .privacy-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 4.6vw, 52px);
  line-height: 1.14;
  letter-spacing: 0.03em;
  color: var(--paper-ink);
  overflow-wrap: break-word;
}

.page-privacy .privacy-head__lede {
  max-width: var(--privacy-measure);
  margin: 20px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--paper-ink);
  overflow-wrap: break-word;
}

.page-privacy .privacy-head__meta {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border-top: var(--frame) solid var(--paper-ink);
}

.page-privacy .privacy-head__meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 22px;
  align-items: baseline;
  padding: 11px 0;
  border-bottom: 1px solid var(--paper-line);
}

.page-privacy .privacy-head__meta-row dt {
  flex: 0 0 auto;
  min-width: 82px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--paper-grey);
}

.page-privacy .privacy-head__meta-row dd {
  margin: 0;
  font-size: 13px;
  color: var(--paper-ink);
}

.page-privacy .privacy-head__figure {
  margin: 0;
}

.page-privacy .privacy-head__figure .figure__media {
  border: var(--frame) solid var(--paper-ink);
  box-shadow: 8px 8px 0 var(--paper-line);
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

.page-privacy .privacy-head__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .privacy-head__figure .figure__caption {
  margin-top: 14px;
  font-size: 11px;
  letter-spacing: 0.08em;
  line-height: 1.7;
  color: var(--paper-grey);
}

/* 正文阅读区 */
.page-privacy .privacy-body {
  background: var(--paper);
  color: var(--paper-ink);
  padding-block: clamp(34px, 5.5vw, 80px) clamp(50px, 8vw, 110px);
}

/* 目录 */
.page-privacy .privacy-toc {
  max-width: 1000px;
  margin: 0 auto var(--privacy-stack);
  padding-bottom: 22px;
  border-bottom: var(--frame) solid var(--paper-ink);
}

.page-privacy .privacy-toc__label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--paper-grey);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px 30px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  color: var(--paper-ink);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color 220ms var(--ease), color 220ms var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  border-bottom-color: var(--lime-mute);
}

.page-privacy .privacy-toc__num {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--paper-grey);
}

/* 章节堆叠 */
.page-privacy .privacy-chapters {
  max-width: 1000px;
  margin: 0 auto;
  display: grid;
  gap: var(--privacy-stack);
}

.page-privacy .privacy-chapter {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  scroll-margin-top: 120px;
}

.page-privacy .privacy-chapter__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 16px;
  background: var(--paper);
  border: var(--frame) solid var(--paper-ink);
  box-shadow: 6px 6px 0 var(--paper-line);
  transition: box-shadow 260ms var(--ease), border-color 260ms var(--ease);
}

.page-privacy .privacy-chapter:target .privacy-chapter__head {
  border-color: var(--paper-ink);
  box-shadow: 6px 6px 0 var(--lime-signal);
}

.page-privacy .privacy-chapter__num {
  flex: 0 0 auto;
  padding: 2px 8px;
  background: var(--lime-signal);
  color: var(--paper-ink);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.06em;
}

.page-privacy .privacy-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 25px);
  line-height: 1.35;
  letter-spacing: 0.05em;
  color: var(--paper-ink);
}

.page-privacy .privacy-chapter__body {
  margin-top: 22px;
  max-width: var(--privacy-measure);
  font-size: 17px;
  line-height: 1.85;
  color: var(--paper-ink);
  overflow-wrap: break-word;
}

.page-privacy .privacy-chapter__body p {
  margin: 0 0 1.55em;
}

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

/* 两类信息定义表 */
.page-privacy .privacy-fields {
  margin: 0 0 1.55em;
  padding: 0;
}

.page-privacy .privacy-fields__row {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--paper-line);
}

.page-privacy .privacy-fields__row:last-child {
  border-bottom: 1px solid var(--paper-line);
}

.page-privacy .privacy-fields__term {
  margin: 0;
  justify-self: start;
  padding: 3px 9px;
  background: var(--paper-line);
  color: var(--paper-ink);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-privacy .privacy-fields__desc {
  margin: 0;
}

/* 编号短列表 */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 1.55em;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-list__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--paper-line);
}

.page-privacy .privacy-list__num {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--paper-grey);
}

/* 宽屏纵向批注 */
.page-privacy .privacy-chapter__note {
  display: none;
}

@media (min-width: 640px) {
  .page-privacy .privacy-fields__row {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 22px;
  }

  .page-privacy .privacy-list__item {
    grid-template-columns: 48px minmax(0, 1fr);
  }
}

@media (min-width: 720px) {
  .page-privacy .privacy-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-head__grid {
    grid-template-columns: minmax(0, 1.2fr) minmax(250px, 0.8fr);
    align-items: start;
  }

  .page-privacy .privacy-head__figure .figure__media {
    aspect-ratio: 3 / 4;
  }
}

@media (min-width: 1080px) {
  .page-privacy .privacy-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-chapter {
    grid-template-columns: minmax(0, 1fr) 112px;
    column-gap: 42px;
    align-items: start;
  }

  .page-privacy .privacy-chapter__head,
  .page-privacy .privacy-chapter__body {
    grid-column: 1;
  }

  .page-privacy .privacy-chapter__note {
    display: block;
    grid-column: 2;
    grid-row: 1 / span 2;
    justify-self: end;
    margin: 0;
    padding-left: 12px;
    border-left: var(--frame) solid var(--paper-line);
    writing-mode: vertical-rl;
    font-size: 11px;
    letter-spacing: 0.16em;
    line-height: 1;
    color: var(--paper-grey);
    white-space: nowrap;
    max-height: 210px;
    overflow: hidden;
  }
}

/* 尾注链接 */
.page-privacy .privacy-footnote {
  max-width: 1000px;
  margin: var(--privacy-stack) auto 0;
  padding-top: 24px;
  border-top: var(--frame) solid var(--paper-ink);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 26px;
}

.page-privacy .privacy-footnote__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--paper-grey);
}

.page-privacy .privacy-footnote__link {
  color: var(--paper-ink);
  font-size: 14px;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--paper-line);
  transition: border-color 220ms var(--ease);
}

.page-privacy .privacy-footnote__link:hover,
.page-privacy .privacy-footnote__link:focus-visible {
  border-bottom-color: var(--lime-mute);
}

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