.page-privacy {
  --privacy-measure: 38.75rem;
  --privacy-pair-col: 9rem;
  display: block;
  background: var(--ink-900);
  color: var(--paper);
}

/* ---------- 阅读进度轨 ---------- */
.page-privacy .privacy-track {
  position: sticky;
  top: var(--header-h);
  z-index: 4;
  height: 2px;
  background: var(--line);
}

.page-privacy .privacy-track__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(1);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--cyan), var(--gold) 55%, var(--amber));
}

@supports (animation-timeline: scroll(root)) {
  .page-privacy .privacy-track__fill {
    transform: scaleX(0);
    animation: privacy-track-grow linear both;
    animation-timeline: scroll(root block);
  }
}

@keyframes privacy-track-grow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumb {
  padding-top: clamp(14px, 2.4vw, 26px);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-privacy .privacy-crumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .privacy-crumb a:hover,
.page-privacy .privacy-crumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-crumb__sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 文档骨架 ---------- */
.page-privacy .privacy-doc {
  max-width: var(--privacy-measure);
  margin-inline: auto;
  padding-block: clamp(22px, 3.6vw, 44px) clamp(72px, 10vw, 128px);
}

.page-privacy .privacy-hero {
  padding-bottom: clamp(26px, 3.6vw, 42px);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(8px, 1.4vw, 16px);
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-privacy .privacy-hero__title {
  margin: 0 0 18px;
  font-size: clamp(30px, 5.6vw, 52px);
  font-weight: 300;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  margin: 0 0 22px;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.9;
  color: var(--mist);
  max-width: 33rem;
}

.page-privacy .privacy-version {
  margin: 0;
  padding-left: 14px;
  border-left: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .privacy-version .mono {
  margin-right: 6px;
  font-family: var(--font-mono);
  letter-spacing: 0.14em;
  color: var(--gold);
}

/* ---------- 小节 ---------- */
.page-privacy .privacy-sec {
  padding-block: clamp(30px, 4.4vw, 50px);
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: calc(var(--header-h) + 32px);
}

.page-privacy .privacy-sec:last-of-type {
  border-bottom: 0;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 18px);
  margin-bottom: clamp(12px, 1.6vw, 18px);
}

.page-privacy .privacy-sec__num {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .privacy-sec__num:hover,
.page-privacy .privacy-sec__num:focus-visible {
  color: var(--ink-900);
  background: var(--gold);
  border-color: var(--gold);
}

.page-privacy .privacy-sec__rule {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--line), rgba(42, 51, 88, 0));
}

.page-privacy .privacy-sec__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.5vw, 25px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .privacy-sec__sum {
  margin: 0 0 clamp(16px, 2.2vw, 24px);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-sec__body > p {
  margin: 0 0 1.15em;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(238, 241, 248, 0.88);
}

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

.page-privacy .privacy-sec__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 209, 224, 0.35);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .privacy-sec__body a:hover,
.page-privacy .privacy-sec__body a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

/* ---------- 两列对照 ---------- */
.page-privacy .privacy-pairs {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-pairs__head {
  display: none;
}

.page-privacy .privacy-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-pair__type {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--paper);
}

.page-privacy .privacy-pair__type::before {
  content: "";
  flex: none;
  width: 12px;
  height: 1px;
  background: var(--cyan);
  transform: translateY(-4px);
}

.page-privacy .privacy-pair__use {
  margin: 0;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 停顿图形 ---------- */
.page-privacy .privacy-figure {
  margin: clamp(30px, 4.4vw, 48px) 0;
}

.page-privacy .privacy-figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  background: linear-gradient(150deg, var(--ink-800), var(--ink-900) 72%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-privacy .privacy-figure__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 保留与权限条目 ---------- */
.page-privacy .privacy-terms {
  display: grid;
  gap: clamp(16px, 2.2vw, 22px);
  margin: 0;
}

.page-privacy .privacy-term {
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.page-privacy .privacy-term dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-privacy .privacy-term dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(238, 241, 248, 0.88);
}

/* ---------- 联系入口 ---------- */
.page-privacy .privacy-mail {
  font-family: var(--font-mono);
  font-size: 0.94em;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-privacy .privacy-outro {
  display: grid;
  gap: 14px;
  justify-items: start;
  margin-top: clamp(32px, 4.6vw, 52px);
  padding-top: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-outro p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-privacy .privacy-pairs__head {
    display: grid;
    grid-template-columns: minmax(0, var(--privacy-pair-col)) minmax(0, 1fr);
    gap: 20px;
    padding: 0 0 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.16em;
    color: var(--mist);
    border-bottom: 1px solid var(--line-soft);
  }

  .page-privacy .privacy-pair {
    grid-template-columns: minmax(0, var(--privacy-pair-col)) minmax(0, 1fr);
  }

  .page-privacy .privacy-pair__use {
    padding-left: 0;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero__title {
    font-size: clamp(38px, 4.4vw, 54px);
  }

  .page-privacy .privacy-term {
    padding-left: 20px;
  }
}

@media (max-width: 400px) {
  .page-privacy .privacy-hero__title {
    font-size: 27px;
  }

  .page-privacy .privacy-sec__num {
    padding-inline: 9px;
  }
}

@media (pointer: coarse) {
  .page-privacy .privacy-sec__num {
    min-height: 48px;
    padding-inline: 14px;
  }

  .page-privacy .privacy-crumb a {
    display: inline-block;
    min-height: 32px;
    line-height: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-track__fill {
    animation: none;
    transform: scaleX(1);
  }

  .page-privacy .privacy-sec__num,
  .page-privacy .privacy-sec__body a,
  .page-privacy .privacy-crumb a {
    transition: none;
  }
}