.page-privacy {
  --privacy-measure: 68ch;
  --privacy-toc: 212px;
  --privacy-gap: 72px;
  background-color: var(--night);
  color: var(--paper);
  font-family: var(--font-body);
  padding-bottom: 96px;
}

.page-privacy [data-reveal] {
  opacity: 1;
  transform: translateY(0);
}

.page-privacy .scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 80;
  pointer-events: none;
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  background-image: linear-gradient(90deg, var(--cyan), var(--orange));
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 12vw, 132px) 0 clamp(44px, 6vw, 72px);
  border-bottom: 1px solid var(--rule);
  background-color: var(--night);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
  filter: saturate(0.85) contrast(1.05);
  pointer-events: none;
}

.page-privacy .privacy-hero__veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(120% 90% at 12% 0%, rgba(79, 227, 208, 0.16), rgba(7, 20, 38, 0) 58%),
    linear-gradient(180deg, rgba(7, 20, 38, 0.32) 0%, rgba(7, 20, 38, 0.9) 66%, var(--night) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__eyebrow {
  margin: 30px 0 0;
  color: var(--cyan-mist);
}

.page-privacy .privacy-hero__title {
  margin: 16px 0 0;
  max-width: 14em;
  font-size: clamp(2.1rem, 8.5vw, 5.2rem);
  font-weight: 200;
  line-height: 1.04;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  margin: 28px 0 0;
  max-width: 30em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--paper);
  opacity: 0.84;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .privacy-hero__meta li {
  position: relative;
  padding-left: 15px;
}

.page-privacy .privacy-hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  margin-top: -2.5px;
  border-radius: 50%;
  background-color: var(--cyan);
}

/* 主栅格 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: clamp(48px, 8vw, 96px);
  padding-bottom: clamp(48px, 8vw, 88px);
}

/* 条款目录 */
.page-privacy .privacy-toc {
  align-self: start;
  border-top: 1px solid var(--rule);
  padding-top: 20px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-privacy .privacy-toc__inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 16px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  gap: 9px;
  align-items: baseline;
  padding: 9px 0 9px 12px;
  border-left: 2px solid var(--rule);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease),
    background-color 180ms var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--cyan-mist);
  border-left-color: var(--cyan);
  background-color: rgba(79, 227, 208, 0.07);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

/* 条款正文 */
.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .clause {
  max-width: var(--privacy-measure);
  padding-bottom: clamp(40px, 6vw, 68px);
  margin-bottom: clamp(40px, 6vw, 68px);
  border-bottom: 1px solid var(--rule);
  scroll-margin-top: 110px;
}

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

.page-privacy .clause__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
}

.page-privacy .clause__title {
  margin: 0 0 22px;
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  font-weight: 250;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .clause p {
  margin: 0 0 1.35em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--paper);
}

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

.page-privacy .clause a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .clause a:hover,
.page-privacy .clause a:focus-visible {
  color: var(--orange-soft);
}

/* 三类信息 */
.page-privacy .privacy-types {
  display: grid;
  gap: 30px;
  margin: 34px 0 0;
}

.page-privacy .privacy-type {
  padding-left: 20px;
  border-left: 1px solid var(--rule);
}

.page-privacy .clause .privacy-type__title {
  margin: 0 0 10px;
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--cyan-mist);
}

.page-privacy .clause .privacy-type__note {
  margin-bottom: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 用途清单 */
.page-privacy .purpose-list {
  list-style: none;
  margin: 34px 0 26px;
  padding: 0;
  border-top: 1px solid var(--rule);
}

.page-privacy .purpose-item {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .clause .purpose-item__src {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-privacy .clause .purpose-item__use {
  margin: 0;
}

/* 保留期限 */
.page-privacy .retention {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-privacy .retention__item {
  display: grid;
  gap: 10px;
}

.page-privacy .retention__head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
}

.page-privacy .retention__name {
  font-size: 15px;
  color: var(--paper);
}

.page-privacy .retention__value {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-privacy .retention__track {
  position: relative;
  height: 6px;
  border-radius: 3px;
  background-color: var(--stand);
  overflow: hidden;
}

.page-privacy .retention__fill {
  display: block;
  height: 100%;
  border-radius: 3px;
  background-image: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-privacy .retention__item:nth-child(1) .retention__fill { width: 22%; }
.page-privacy .retention__item:nth-child(2) .retention__fill { width: 100%; }
.page-privacy .retention__item:nth-child(3) .retention__fill { width: 55%; }
.page-privacy .retention__item:nth-child(4) .retention__fill { width: 80%; }

.page-privacy .clause .retention__note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

/* 数据流向 */
.page-privacy .privacy-flow {
  margin: 40px 0 0;
  padding: 26px 22px 22px;
  border-radius: 18px;
  background-color: var(--stand);
}

.page-privacy .privacy-flow__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .privacy-flow__line {
  fill: none;
  stroke: var(--rule);
  stroke-width: 2;
}

.page-privacy .privacy-flow__pulse {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-dasharray: 9 15;
  opacity: 0.8;
}

.page-privacy .privacy-flow__node {
  fill: var(--night);
  stroke: var(--cyan);
  stroke-width: 2;
}

.page-privacy .privacy-flow__node--hot {
  fill: var(--orange);
  stroke: var(--orange-soft);
}

.page-privacy .privacy-flow__tick {
  stroke: var(--rule);
  stroke-width: 2;
}

.page-privacy .privacy-flow__legend {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .privacy-flow__legend span {
  position: relative;
  padding-left: 16px;
}

.page-privacy .privacy-flow__legend span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--cyan);
}

.page-privacy .privacy-flow__legend span:nth-child(2)::before {
  background-color: var(--orange);
}

/* 权利清单 */
.page-privacy .rights-list {
  list-style: none;
  margin: 32px 0 30px;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-privacy .rights-item {
  display: grid;
  gap: 6px;
  padding-left: 18px;
  border-left: 2px solid var(--rule);
}

.page-privacy .clause .rights-item__title {
  margin: 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cyan-mist);
}

.page-privacy .clause .rights-item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--paper);
}

/* 结尾 */
.page-privacy .privacy-tail {
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-tail p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .privacy-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 0;
}

/* 返回顶部 */
.page-privacy .privacy-top {
  position: fixed;
  right: 20px;
  bottom: 24px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background-color: rgba(14, 33, 56, 0.92);
  color: var(--cyan-mist);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  border-color: var(--cyan);
  color: var(--paper);
}

/* 断点 */
@media (min-width: 640px) {
  .page-privacy .privacy-flow {
    padding: 32px 30px 26px;
  }

  .page-privacy .privacy-flow__legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  .page-privacy .rights-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px 32px;
  }
}

@media (min-width: 720px) {
  .page-privacy .purpose-item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-privacy .clause p {
    font-size: 18px;
    line-height: 1.8;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-toc) minmax(0, 1fr);
    gap: var(--privacy-gap);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h-compact) + 24px);
    border-top: 0;
    padding-top: 0;
  }

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

  .page-privacy .privacy-hero__lede {
    font-size: 18px;
    line-height: 1.8;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-top {
    right: calc((100vw - var(--shell)) / 2 + 24px);
  }
}

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

.page-privacy {
  --progress: inherit;
}