.page-privacy {
  --pp-bg-top: #13131b;
  --pp-bg-bottom: #0A0A0C;
  --pp-card: #191922;
  --pp-line: rgba(201, 162, 39, .20);
  --pp-line-soft: rgba(201, 162, 39, .10);
  --pp-measure: 34em;
  --pp-rail-w: 246px;
  --pp-text: rgba(242, 232, 213, .84);
  --pp-text-soft: rgba(242, 232, 213, .66);

  background: linear-gradient(180deg, var(--pp-bg-top) 0%, #0E0E13 38%, var(--pp-bg-bottom) 100%);
  color: var(--pp-text);
  padding-bottom: clamp(64px, 8vw, 120px);
}

.page-privacy a {
  color: var(--gold-lt);
  text-decoration: none;
  border-bottom: 1px solid rgba(232, 199, 102, .32);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(53, 224, 214, .5);
}

.page-privacy p {
  margin: 0 0 18px;
  font-size: var(--fs-body);
  line-height: 1.85;
}

/* ---------- 首屏 ---------- */

.page-privacy .pp-hero {
  padding-top: clamp(22px, 4vw, 44px);
}

.page-privacy .pp-hero__grid {
  display: grid;
  gap: 28px;
}

.page-privacy .pp-hero__title {
  font-size: clamp(30px, 5.4vw, 46px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--cream);
  margin: 10px 0 18px;
}

.page-privacy .pp-hero__head .lede {
  max-width: 34em;
  color: var(--pp-text);
}

.page-privacy .pp-hero__figure {
  margin: 0;
  border: 1px solid var(--pp-line);
  background: var(--panel);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-privacy .pp-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  filter: saturate(.95) contrast(1.04);
}

/* ---------- 版本刻度 ---------- */

.page-privacy .pp-versions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 30px;
  padding-top: 16px;
  border-top: 1px solid var(--pp-line-soft);
}

.page-privacy .pp-ticks {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pp-ticks li {
  width: 22px;
  height: 7px;
  background: rgba(242, 232, 213, .13);
  clip-path: polygon(0 0, 100% 0, calc(100% - 5px) 100%, 0 100%);
}

.page-privacy .pp-ticks li[aria-current="true"] {
  background: linear-gradient(90deg, var(--gold), var(--gold-lt));
  box-shadow: 0 0 0 1px rgba(232, 199, 102, .35);
}

.page-privacy .pp-versions__meta {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

/* ---------- 分栏骨架 ---------- */

.page-privacy .pp-layout {
  display: grid;
  gap: 34px;
  margin-top: clamp(40px, 5vw, 72px);
}

.page-privacy .pp-rail {
  border-top: 1px solid var(--pp-line);
  padding-top: 18px;
}

.page-privacy .rail__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .rail__link {
  display: block;
  padding: 8px 10px 8px 12px;
  border-bottom: 0;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--pp-text-soft);
  border-left: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .rail__link:hover {
  color: var(--cream);
  border-left-color: rgba(201, 162, 39, .5);
  background: rgba(30, 30, 38, .6);
}

.page-privacy .rail__link.is-active {
  color: var(--gold-lt);
  border-left-color: var(--gold);
  background: rgba(30, 30, 38, .75);
}

.page-privacy .pp-rail__note {
  margin: 16px 0 0;
  color: var(--grey);
}

/* ---------- 章节 ---------- */

.page-privacy .pp-sec {
  margin-top: clamp(40px, 5vw, 68px);
  padding-top: clamp(26px, 3.4vw, 44px);
  border-top: 1px solid var(--pp-line-soft);
}

.page-privacy .pp-sec:first-child {
  margin-top: 0;
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}

.page-privacy .pp-sec__no {
  flex: none;
  font-size: clamp(36px, 6.4vw, 60px);
  line-height: .82;
  letter-spacing: -.05em;
  color: rgba(201, 162, 39, .34);
  user-select: none;
}

.page-privacy .pp-sec__head .h-section {
  color: var(--cream);
  margin: 0;
  padding-top: 4px;
}

.page-privacy .pp-sec__body {
  max-width: var(--pp-measure);
}

.page-privacy .pp-lead {
  color: var(--cream);
}

/* ---------- 记录类别条块 ---------- */

.page-privacy .pp-datalist {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-data {
  padding: 20px 22px 22px;
  border: 1px solid var(--pp-line);
  background: linear-gradient(128deg, rgba(30, 30, 38, .92), rgba(20, 20, 26, .92));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-privacy .pp-data__no {
  display: block;
  font-size: 11px;
  letter-spacing: .26em;
  color: var(--cyan);
  margin-bottom: 10px;
}

.page-privacy .pp-data__title {
  margin: 0 0 10px;
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--gold-lt);
}

.page-privacy .pp-data p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-text);
}

.page-privacy .pp-data__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

/* ---------- 用途列表 ---------- */

.page-privacy .pp-uses {
  list-style: none;
  counter-reset: pp-use;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .pp-use {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--pp-line-soft);
}

.page-privacy .pp-use:first-child {
  padding-top: 6px;
}

.page-privacy .pp-use__no {
  font-size: 15px;
  line-height: 1.5;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-privacy .pp-use__title {
  margin: 0 0 8px;
  font-size: var(--fs-h3);
  font-weight: 700;
  color: var(--cream);
}

.page-privacy .pp-use p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--pp-text);
}

/* ---------- 留存期限 ---------- */

.page-privacy .pp-keep {
  list-style: none;
  margin: 24px 0 26px;
  padding: 0;
}

.page-privacy .pp-keep__row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--pp-line-soft);
}

.page-privacy .pp-keep__key {
  font-size: 15px;
  color: var(--cream);
}

.page-privacy .pp-keep__val {
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--cyan);
}

/* ---------- 共享说明 ---------- */

.page-privacy .pp-share {
  display: grid;
  gap: 14px;
  margin: 22px 0 26px;
}

.page-privacy .pp-share__col {
  padding: 18px 20px;
  border: 1px solid var(--pp-line);
  border-left: 2px solid var(--violet);
  background: rgba(30, 30, 38, .55);
}

.page-privacy .pp-share__title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold-lt);
}

.page-privacy .pp-share__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-privacy .pp-share__list li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pp-text);
}

.page-privacy .pp-share__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 主动权 ---------- */

.page-privacy .pp-acts {
  display: grid;
  gap: 16px;
  margin: 24px 0 26px;
}

.page-privacy .pp-act {
  padding: 4px 0 4px 16px;
  border-left: 2px solid var(--gold);
}

.page-privacy .pp-act__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
}

.page-privacy .pp-act p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pp-text);
}

/* ---------- 安全条目 ---------- */

.page-privacy .pp-safety {
  list-style: none;
  margin: 24px 0 26px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-safety__item {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border: 1px solid var(--pp-line-soft);
  border-top: 1px solid var(--pp-line);
  background: rgba(20, 20, 26, .6);
}

.page-privacy .pp-safety__label {
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-privacy .pp-safety__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pp-text);
}

/* ---------- 版本差异 ---------- */

.page-privacy .pp-diff {
  margin: 24px 0 26px;
  border: 1px solid var(--pp-line);
  background: var(--pp-card);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut-sm)), calc(100% - var(--cut-sm)) 100%, 0 100%);
}

.page-privacy .pp-diff summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-lt);
}

.page-privacy .pp-diff summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-diff summary::after {
  content: "＋";
  font-family: var(--font-mono);
  color: var(--cyan);
  font-weight: 400;
}

.page-privacy .pp-diff[open] summary::after {
  content: "－";
}

.page-privacy .pp-diff__list {
  list-style: none;
  margin: 0;
  padding: 0 18px 4px;
  display: grid;
  gap: 10px;
}

.page-privacy .pp-diff__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pp-text);
}

.page-privacy .pp-diff__list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--violet);
}

.page-privacy .pp-diff__foot {
  margin: 12px 0 0;
  padding: 0 18px 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pp-text-soft);
}

/* ---------- 联系块 ---------- */

.page-privacy .pp-contact {
  margin-top: 8px;
  padding: 20px 20px 18px;
  border: 1px solid var(--pp-line);
  border-top: 2px solid var(--gold);
  background: linear-gradient(160deg, rgba(30, 30, 38, .9), rgba(16, 16, 21, .9));
}

.page-privacy .pp-contact__line {
  display: grid;
  gap: 4px;
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--cream);
}

.page-privacy .pp-contact__key {
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
}

.page-privacy .pp-contact__desc {
  margin: 14px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pp-line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--pp-text-soft);
}

/* ---------- 页尾 ---------- */

.page-privacy .pp-top {
  margin: clamp(44px, 5vw, 72px) 0 0;
  padding-top: 24px;
  border-top: 1px solid var(--pp-line);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .pp-keep__row {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: baseline;
    gap: 20px;
  }

  .page-privacy .pp-contact__line {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
  }

  .page-privacy .pp-acts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }

  .page-privacy .pp-share {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: end;
    gap: 40px;
  }

  .page-privacy .pp-safety__item {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-rail-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .pp-rail {
    position: sticky;
    top: var(--rail-top);
    border-top: 1px solid var(--pp-line);
  }
}

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

@media print {
  .page-privacy {
    background: #fff;
    color: #111;
  }

  .page-privacy .pp-rail,
  .page-privacy .pp-versions,
  .page-privacy .pp-top,
  .page-privacy .pp-hero__figure {
    display: none;
  }

  .page-privacy .pp-layout {
    display: block;
  }

  .page-privacy .pp-sec,
  .page-privacy .pp-data,
  .page-privacy .pp-keep__row,
  .page-privacy .pp-diff {
    break-inside: avoid;
  }

  .page-privacy a,
  .page-privacy .pp-sec__no,
  .page-privacy .pp-data__title,
  .page-privacy .pp-keep__val {
    color: #111;
  }
}