.page-privacy {
  --pp-line-copper: 1px solid rgba(184, 115, 51, 0.5);
  --pp-line-cool: 1px solid rgba(108, 114, 120, 0.34);
  --pp-sticky-top: 108px;
  background: var(--ink);
  color: var(--white);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(40px, 6vw, 72px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(31, 209, 196, 0.08) 0%, rgba(13, 15, 18, 0) 58%),
    var(--ink);
  border-bottom: var(--pp-line-cool);
}

.page-privacy .breadcrumbs {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
  margin-bottom: clamp(26px, 4vw, 44px);
}
.page-privacy .breadcrumbs a {
  color: var(--fog);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 160ms ease, color 160ms ease;
}
.page-privacy .breadcrumbs a:hover,
.page-privacy .breadcrumbs a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}
.page-privacy .breadcrumbs__here {
  color: var(--amber);
}

.page-privacy .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.page-privacy .pp-hero__lead h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 56px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
  max-width: 16em;
}

.page-privacy .pp-hero__intro {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: clamp(16px, 2.4vw, 18px);
  line-height: 1.8;
  color: rgba(247, 244, 238, 0.82);
}

.page-privacy .pp-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-hero__fig {
  margin: 0;
  border: var(--pp-line-copper);
  background: var(--plate);
  padding: 8px;
  box-shadow: inset 0 0 0 1px rgba(13, 15, 18, 0.7);
}
.page-privacy .pp-hero__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.04);
}
.page-privacy .pp-hero__fig figcaption {
  display: block;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fog);
}

.page-privacy .pp-hero__rule {
  margin-top: clamp(32px, 5vw, 56px);
  opacity: 0.7;
}

/* ---------- 正文区 ---------- */
.page-privacy .pp-reading {
  padding: clamp(48px, 8vw, 110px) 0 clamp(72px, 10vw, 140px);
  background: var(--ink);
}

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 72px);
  align-items: start;
}

/* 左侧条目导航 */
.page-privacy .pp-toc {
  border-left: 2px solid var(--copper);
  padding-left: 18px;
}
.page-privacy .pp-toc__head {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  text-transform: uppercase;
}
.page-privacy .pp-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--pp-line-cool);
}
.page-privacy .pp-toc__list li {
  border-bottom: var(--pp-line-cool);
}
.page-privacy .pp-toc__link {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 4px;
  font-size: 15px;
  line-height: 1.5;
  color: rgba(247, 244, 238, 0.78);
  text-decoration: none;
  transition: color 160ms ease, background-color 160ms ease, padding-left 160ms ease;
}
.page-privacy .pp-toc__link .mono {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  flex: none;
}
.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--white);
  background: rgba(35, 39, 44, 0.9);
  padding-left: 10px;
}
.page-privacy .pp-toc__link:hover .mono,
.page-privacy .pp-toc__link:focus-visible .mono {
  color: var(--amber);
}
.page-privacy .pp-toc__foot {
  margin: 20px 0 0;
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: 0.05em;
  color: var(--fog);
  word-break: break-all;
}

/* 右侧条目正文 */
.page-privacy .pp-body {
  max-width: 46em;
}

.page-privacy .pp-sec {
  scroll-margin-top: var(--pp-sticky-top);
  padding-left: clamp(0px, 3vw, 26px);
  border-left: var(--pp-line-copper);
  padding-bottom: clamp(40px, 6vw, 72px);
  margin-bottom: clamp(40px, 6vw, 72px);
}
.page-privacy .pp-sec:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.page-privacy .pp-sec__num {
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--amber);
}
.page-privacy .pp-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.6vw, 30px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-privacy .pp-sec__content > p {
  margin: 0 0 1.2em;
  font-size: clamp(16px, 2.3vw, 17px);
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.82);
}
.page-privacy .pp-sec__content > p:last-child {
  margin-bottom: 0;
}
.page-privacy .pp-sec__content a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(31, 209, 196, 0.44);
  transition: border-color 160ms ease;
}
.page-privacy .pp-sec__content a:hover,
.page-privacy .pp-sec__content a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 定义列表 */
.page-privacy .pp-def {
  margin: 24px 0 0;
  border-top: var(--pp-line-cool);
}
.page-privacy .pp-def dt {
  padding: 18px 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border-top: var(--pp-line-copper);
}
.page-privacy .pp-def dt:first-of-type {
  border-top: 0;
}
.page-privacy .pp-def dd {
  margin: 0;
  padding: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.78);
  border-bottom: var(--pp-line-cool);
}
.page-privacy .pp-def dd:last-child {
  border-bottom: 0;
}

/* 用途 / 保存 双块错位 */
.page-privacy .pp-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin: 8px 0 28px;
}
.page-privacy .pp-card {
  padding: 22px 22px 20px;
}
.page-privacy .pp-card__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  text-transform: uppercase;
}
.page-privacy .pp-card--plate .plate__label {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber);
  text-transform: uppercase;
}
.page-privacy .pp-card--plate .plate__value {
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--white);
}
.page-privacy .pp-card__note {
  margin: 14px 0 0;
  padding-top: 12px;
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: 0.04em;
  color: var(--fog);
  border-top: var(--pp-line-cool);
}

.page-privacy .pp-list {
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .pp-list li {
  position: relative;
  padding: 0 0 10px 18px;
  font-size: 15.5px;
  line-height: 1.75;
  color: #0D0F12;
}
.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--amber);
}
.page-privacy .pp-list li:last-child {
  padding-bottom: 0;
}

/* 权利条目 */
.page-privacy .pp-rights {
  margin: 8px 0 26px;
  padding: 0;
  list-style: none;
  counter-reset: pp-r;
}
.page-privacy .pp-rights li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 16px 0;
  border-bottom: var(--pp-line-cool);
}
.page-privacy .pp-rights li:first-child {
  border-top: var(--pp-line-copper);
}
.page-privacy .pp-rights__k {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-privacy .pp-rights__v {
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(247, 244, 238, 0.8);
}

.page-privacy .pp-callout {
  margin: 0;
  padding: 18px 20px;
  background: rgba(35, 39, 44, 0.86);
  border-left: 3px solid var(--amber);
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(247, 244, 238, 0.88);
}
.page-privacy .pp-callout strong {
  color: var(--amber);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  word-break: break-all;
}

.page-privacy .pp-sec__end {
  margin-top: 24px;
  padding-top: 16px;
  border-top: var(--pp-line-cool);
  font-size: 12.5px;
  line-height: 1.9;
  letter-spacing: 0.05em;
  color: var(--fog);
}

/* 返回顶部 */
.page-privacy .pp-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--white);
  text-decoration: none;
  background: rgba(26, 30, 35, 0.94);
  border: var(--pp-line-copper);
  transition: color 160ms ease, border-color 160ms ease, background-color 160ms ease;
}
.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  color: var(--ink);
  background: var(--amber);
  border-color: var(--amber);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(28px, 4vw, 56px);
  }
  .page-privacy .pp-hero__fig {
    margin-top: 8px;
  }
  .page-privacy .pp-pair {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: stretch;
  }
  .page-privacy .pp-card--plate {
    transform: translateY(18px);
  }
  .page-privacy .pp-rights li {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(44px, 5vw, 88px);
  }
  .page-privacy .pp-toc {
    position: sticky;
    top: var(--pp-sticky-top);
    align-self: start;
  }
  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
  .page-privacy .pp-body {
    padding-left: clamp(0px, 2vw, 20px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-top,
  .page-privacy .breadcrumbs a,
  .page-privacy .pp-sec__content a {
    transition: none;
  }
  .page-privacy .pp-card--plate {
    transform: none;
  }
}