.page-privacy {
  --pp-rule: rgba(110, 122, 133, .3);
  --pp-article-w: 40rem;
  --pp-toc-w: 11rem;
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
}

.page-privacy .pp-hero {
  background: var(--paper);
}

.page-privacy .pp-hero__inner {
  padding-top: 1.75rem;
  padding-bottom: 2.5rem;
}

.page-privacy .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .08em;
  color: var(--lime);
  margin-bottom: 2rem;
}

.page-privacy .crumbs a {
  color: var(--night-blue);
  text-decoration: none;
  border-bottom: 1px solid var(--pp-rule);
  padding-bottom: 1px;
  transition: border-color var(--speed-state), color var(--speed-state);
}

.page-privacy .crumbs a:hover,
.page-privacy .crumbs a:focus-visible {
  color: var(--lamp-orange);
  border-bottom-color: var(--lamp-orange);
}

.page-privacy .pp-hero .eyebrow {
  color: var(--lamp-orange);
}

.page-privacy .pp-hero .display {
  max-width: 16em;
  margin: .7rem 0 1.1rem;
  font-size: clamp(1.85rem, 1.15rem + 3.2vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: .02em;
  color: var(--night-blue);
}

.page-privacy .pp-hero .lede {
  max-width: 34em;
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .pp-hero__figure {
  margin: 0;
  overflow: hidden;
  background: var(--night-blue);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
}

.page-privacy .pp-hero__figure img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  max-width: 100%;
}

.page-privacy .pp-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.25rem;
  padding-block: 2.5rem 3.5rem;
}

/* ---- 章节索引 ---- */
.page-privacy .pp-toc__title {
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--lime);
  margin: 0 0 .8rem;
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--pp-rule);
}

.page-privacy .pp-toc__list li {
  margin: 0;
}

.page-privacy .pp-toc__list a {
  display: block;
  margin-left: -1px;
  padding: .5rem 0 .5rem .9rem;
  border-left: 2px solid transparent;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
  line-height: 1.5;
  color: var(--lime);
  text-decoration: none;
  transition: color var(--speed-state), border-color var(--speed-state);
}

.page-privacy .pp-toc__list a:hover,
.page-privacy .pp-toc__list a:focus-visible {
  color: var(--night-blue);
  border-left-color: var(--lamp-orange);
}

/* ---- 正文 ---- */
.page-privacy .pp-article {
  min-width: 0;
}

.page-privacy .pp-section {
  padding-block: 2.25rem;
  border-top: 1px solid var(--pp-rule);
}

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

.page-privacy .pp-section__head {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  margin-bottom: 1.3rem;
}

.page-privacy .pp-section__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--lamp-orange);
}

.page-privacy .pp-section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 1.05rem + 1.1vw, 1.85rem);
  line-height: 1.28;
  letter-spacing: .02em;
  color: var(--night-blue);
}

.page-privacy .pp-article p {
  margin: 0 0 1.1rem;
  font-size: 1.0625rem;
  line-height: 1.85;
}

.page-privacy .pp-article p strong {
  color: var(--night-blue);
  font-weight: 700;
}

.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 1.3rem;
  padding: 0;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 1.35rem;
  margin-bottom: .8rem;
  font-size: 1.0625rem;
  line-height: 1.8;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: .55rem;
  height: 2px;
  background: var(--lamp-orange);
}

.page-privacy .pp-list li strong {
  color: var(--night-blue);
}

/* ---- 抽出的原则卡片 ---- */
.page-privacy .pp-note {
  max-width: 38rem;
  margin: 1.6rem 0;
  padding: 1.25rem 1.35rem;
  background: var(--cream);
  border: 2px solid var(--ink);
}

.page-privacy .pp-note > p {
  margin: 0 0 .85rem;
  font-size: .99rem;
  line-height: 1.82;
}

.page-privacy .pp-note__label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--grass);
}

.page-privacy .pp-note > p:last-child {
  margin-bottom: 0;
}

/* ---- 展开组 ---- */
.page-privacy .expander {
  margin-top: .9rem;
  border-top: 1px solid var(--pp-rule);
}

.page-privacy .expander__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .8rem .2rem .8rem .9rem;
  background: none;
  border: 0;
  border-left: 3px solid var(--silver);
  font-family: var(--font-body);
  font-size: .9375rem;
  line-height: 1.6;
  color: var(--night-blue);
  text-align: left;
  cursor: pointer;
  transition: border-color var(--speed-state), color var(--speed-state);
}

.page-privacy .expander__head:hover,
.page-privacy .expander__head:focus-visible,
.page-privacy .expander[data-open] .expander__head {
  border-left-color: var(--lamp-orange);
  color: var(--lamp-orange);
}

.page-privacy .expander__mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
}

.page-privacy .expander__body {
  padding: 0 0 1rem .9rem;
}

.page-privacy .expander__body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink);
}

/* ---- 联系色块 ---- */
.page-privacy .pp-contact {
  margin-top: 1.5rem;
  padding: 1.75rem 1.4rem;
  background: var(--night-blue);
  border: 2px solid var(--ink);
  color: var(--cream);
}

.page-privacy .pp-contact p {
  margin: 0 0 .7rem;
  font-size: .99rem;
  line-height: 1.8;
  color: var(--cream);
}

.page-privacy .pp-contact .mono {
  font-family: var(--font-mono);
  font-size: .86rem;
  letter-spacing: .02em;
  color: var(--silver);
}

.page-privacy .pp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.25rem;
}

/* ---- 延伸入口 ---- */
.page-privacy .pp-related {
  margin-top: 1.5rem;
  font-size: .99rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-privacy .pp-related a {
  color: var(--night-blue);
  text-decoration: none;
  border-bottom: 2px solid var(--lamp-orange);
  padding-bottom: 1px;
  transition: color var(--speed-state);
}

.page-privacy .pp-related a:hover,
.page-privacy .pp-related a:focus-visible {
  color: var(--lamp-orange);
}

/* ---- 桌面端：索引 + 窄栏正文 ---- */
@media (min-width: 620px) {
  .page-privacy .pp-hero__figure img {
    height: 340px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pp-hero__inner {
    padding-top: 2.5rem;
    padding-bottom: 3.25rem;
  }

  .page-privacy .pp-hero__figure img {
    height: 400px;
  }

  .page-privacy .pp-body {
    grid-template-columns: var(--pp-toc-w) minmax(0, var(--pp-article-w));
    gap: 4.5rem;
    justify-content: center;
    align-items: start;
    padding-block: 4rem 5rem;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: 2rem;
  }

  .page-privacy .pp-section {
    padding-block: 2.75rem;
  }

  .page-privacy .pp-contact {
    padding: 2.25rem 2rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .crumbs a,
  .page-privacy .pp-toc__list a,
  .page-privacy .expander__head,
  .page-privacy .pp-related a {
    transition: none;
  }
}