.page-privacy {
  --pv-measure: 68ch;
  --pv-hard: 6px 6px 0 0 var(--plateau-ink);
  position: relative;
  background: var(--paper);
  color: var(--plateau-ink);
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(158deg, var(--plateau-ink) 0%, var(--lake-deep) 56%, var(--dusk-purple) 100%);
  color: var(--ice-white);
  border-bottom: var(--bw) solid var(--plateau-ink);
}

.page-privacy .privacy-hero-glow {
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 150%;
  background:
    radial-gradient(58% 46% at 16% 10%, rgba(47, 184, 224, .36), transparent 70%),
    radial-gradient(48% 42% at 88% 6%, rgba(124, 90, 209, .3), transparent 74%);
  pointer-events: none;
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 1;
  padding-top: calc(var(--topbar-h) + clamp(28px, 5vw, 52px));
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-privacy .privacy-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5em;
  margin: 0 0 clamp(18px, 3vw, 28px);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .08em;
  color: var(--ice-mist);
}

.page-privacy .privacy-crumbs a {
  color: var(--lake-glow);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .18s var(--ease);
}

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

.page-privacy .privacy-title {
  margin: 0;
  max-width: 22ch;
  color: var(--ice-white);
}

.page-privacy .privacy-lede {
  max-width: 60ch;
  margin: clamp(16px, 2.5vw, 24px) 0 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--ice-mist);
}

.page-privacy .privacy-facts {
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(207, 227, 240, .22);
  border: var(--bw) solid rgba(207, 227, 240, .32);
}

.page-privacy .privacy-fact {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 18px 20px;
  background: rgba(10, 27, 38, .68);
}

.page-privacy .privacy-fact-k {
  font-size: var(--fs-2xs);
  letter-spacing: .12em;
  color: var(--amber-signal);
}

.page-privacy .privacy-fact-v {
  font-size: var(--fs-xs);
  line-height: 1.72;
  color: var(--ice-white);
}

/* ---------- 顶部横幅 ---------- */

.page-privacy .privacy-banner {
  margin: 0;
  border-bottom: var(--bw) solid var(--plateau-ink);
  background: var(--lake-deep);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .privacy-banner .media-caption {
  padding: 12px var(--gut);
  font-family: var(--font-mono);
  font-size: var(--fs-2xs);
  letter-spacing: .06em;
  color: var(--ice-mist);
  background: var(--plateau-ink);
}

/* ---------- 主体栅格 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-privacy .privacy-body {
  min-width: 0;
}

/* ---------- 章节 ---------- */

.page-privacy .chapter + .chapter {
  margin-top: clamp(48px, 7vw, 80px);
}

.page-privacy .chapter-head {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 18px);
  padding-bottom: 16px;
  margin-bottom: clamp(18px, 3vw, 26px);
  border-bottom: var(--bw) solid var(--plateau-ink);
}

.page-privacy .chapter-num {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  height: 46px;
  background: var(--plateau-ink);
  color: var(--amber-signal);
  font-size: var(--fs-sm);
  letter-spacing: .06em;
  border: var(--bw) solid var(--plateau-ink);
  box-shadow: 4px 4px 0 0 rgba(18, 118, 168, .38);
}

.page-privacy .chapter-title {
  margin: 0;
  font-size: clamp(1.25rem, 3vw, 1.7rem);
  line-height: 1.35;
  color: var(--plateau-ink);
}

.page-privacy .chapter-p {
  max-width: var(--pv-measure);
  margin: 0 0 16px;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-privacy .inline-link {
  color: var(--lake-blue);
  text-decoration: none;
  border-bottom: 2px solid var(--ice-mist);
  padding-bottom: 1px;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-privacy .inline-link:hover,
.page-privacy .inline-link:focus-visible {
  color: var(--lake-deep);
  border-bottom-color: var(--amber-signal);
}

/* ---------- 术语底纹 ---------- */

.page-privacy .term {
  position: relative;
  background: var(--ice-mist);
  color: var(--plateau-ink);
  padding: .06em .35em;
  border-bottom: 1px solid var(--lake-blue);
  cursor: help;
  outline-offset: 2px;
}

.page-privacy .term::after {
  content: attr(data-tip);
  position: absolute;
  left: 50%;
  bottom: calc(100% + 10px);
  transform: translate(-50%, 5px);
  width: max-content;
  max-width: min(260px, 74vw);
  padding: 9px 13px;
  background: var(--plateau-ink);
  color: var(--ice-white);
  font-size: var(--fs-2xs);
  line-height: 1.6;
  border: 1px solid var(--lake-glow);
  opacity: 0;
  pointer-events: none;
  transition: opacity .18s var(--ease), transform .18s var(--ease);
  z-index: 6;
}

.page-privacy .term:hover::after,
.page-privacy .term:focus-visible::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ---------- 收集项卡片 ---------- */

.page-privacy .collect-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-privacy .collect-card {
  position: relative;
  padding: 22px 20px;
  background: var(--paper);
  border: var(--bw) solid var(--plateau-ink);
  box-shadow: var(--pv-hard);
}

.page-privacy .collect-card-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--ice-mist);
}

.page-privacy .collect-card-idx {
  font-size: var(--fs-2xs);
  letter-spacing: .12em;
  color: var(--amber-signal);
  background: var(--plateau-ink);
  padding: 3px 8px;
}

.page-privacy .collect-card-title {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--plateau-ink);
}

.page-privacy .collect-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .collect-list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-xs);
  line-height: 1.72;
  color: var(--text-soft);
}

.page-privacy .collect-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .64em;
  width: 8px;
  height: 8px;
  background: var(--lake-glow);
  border: 1px solid var(--plateau-ink);
}

/* ---------- 用途条目 ---------- */

.page-privacy .rule-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ice-mist);
  border: var(--bw) solid var(--plateau-ink);
  box-shadow: var(--pv-hard);
}

.page-privacy .rule-item {
  display: grid;
  gap: 8px;
  padding: 18px 20px;
  background: var(--paper);
}

.page-privacy .rule-key {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--lake-deep);
  letter-spacing: .02em;
}

.page-privacy .rule-text {
  font-size: var(--fs-xs);
  line-height: 1.78;
  color: var(--text-soft);
}

.page-privacy .rule-list--plain {
  background: var(--paper-dim);
}

.page-privacy .rule-list--plain .rule-item {
  background: transparent;
  border-bottom: 1px solid var(--ice-mist);
}

.page-privacy .rule-list--plain .rule-item:last-child {
  border-bottom: 0;
}

/* ---------- 保存期限表 ---------- */

.page-privacy .retention {
  margin: clamp(20px, 3vw, 28px) 0 clamp(20px, 3vw, 28px);
  border: var(--bw) solid var(--plateau-ink);
  box-shadow: var(--pv-hard);
  background: var(--paper);
}

.page-privacy .retention-row {
  display: grid;
  gap: 6px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--ice-mist);
}

.page-privacy .retention-row:last-child {
  border-bottom: 0;
}

.page-privacy .retention-row:nth-child(even) {
  background: var(--paper-dim);
}

.page-privacy .retention-key {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--plateau-ink);
}

.page-privacy .retention-val {
  font-size: var(--fs-xs);
  line-height: 1.72;
  color: var(--text-soft);
}

/* ---------- 折叠组 ---------- */

.page-privacy .privacy-acc {
  margin-top: clamp(20px, 3vw, 28px);
  border: var(--bw) solid var(--plateau-ink);
  box-shadow: var(--pv-hard);
  background: var(--paper);
}

.page-privacy .privacy-acc .acc-item {
  border-bottom: 1px solid var(--ice-mist);
}

.page-privacy .privacy-acc .acc-item:last-child {
  border-bottom: 0;
}

.page-privacy .privacy-acc .acc-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  margin: 0;
  background: none;
  border: 0;
  font: inherit;
  font-size: var(--fs-xs);
  line-height: 1.6;
  text-align: left;
  color: var(--plateau-ink);
  cursor: pointer;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}

.page-privacy .privacy-acc .acc-trigger:hover,
.page-privacy .privacy-acc .acc-trigger:focus-visible {
  background: var(--paper-dim);
  color: var(--lake-deep);
}

.page-privacy .privacy-acc .acc-trigger[aria-expanded="true"] {
  color: var(--lake-deep);
  border-left: 4px solid var(--amber-signal);
}

.page-privacy .privacy-acc .acc-body {
  padding: 0 20px 18px;
}

.page-privacy .privacy-acc .acc-body p {
  margin: 0;
  font-size: var(--fs-xs);
  line-height: 1.8;
  color: var(--text-soft);
}

/* ---------- 结尾标记 ---------- */

.page-privacy .chapter--end .privacy-end {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  margin-top: clamp(22px, 3vw, 32px);
  padding: 14px 20px;
  background: var(--plateau-ink);
  border-left: 8px solid var(--amber-signal);
}

.page-privacy .privacy-end-key {
  font-size: var(--fs-2xs);
  letter-spacing: .12em;
  color: var(--ice-mist);
}

.page-privacy .privacy-end-val {
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--amber-signal);
}

/* ---------- 章节目录 ---------- */

.page-privacy .privacy-toc {
  min-width: 0;
}

.page-privacy .privacy-toc-title {
  margin: 0 0 14px;
  font-size: var(--fs-2xs);
  letter-spacing: .14em;
  color: var(--lake-blue);
}

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

.page-privacy .privacy-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0 8px 14px;
  border-left: 3px solid var(--ice-mist);
  font-size: var(--fs-xs);
  line-height: 1.55;
  color: var(--text-soft);
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease), padding-left .18s var(--ease);
}

.page-privacy .privacy-toc-link:hover,
.page-privacy .privacy-toc-link:focus-visible {
  color: var(--lake-deep);
  border-left-color: var(--lake-blue);
  padding-left: 18px;
}

.page-privacy .privacy-toc-num {
  font-size: var(--fs-2xs);
  letter-spacing: .06em;
  color: var(--dusk-orchid);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .retention-row {
    grid-template-columns: minmax(160px, 216px) minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }

  .page-privacy .rule-item {
    grid-template-columns: minmax(140px, 176px) minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 760px) {
  .page-privacy .privacy-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .collect-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    padding-bottom: 22px;
  }

  .page-privacy .collect-card:nth-child(2) {
    transform: translateY(22px);
  }

  .page-privacy .collect-card:nth-child(3) {
    transform: translateY(11px);
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 236px;
    align-items: start;
    column-gap: clamp(32px, 4vw, 56px);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 28px);
    padding-top: 6px;
  }
}

@media (max-width: 1023px) {
  .page-privacy .privacy-toc {
    border-top: var(--bw) solid var(--plateau-ink);
    padding-top: 20px;
  }

  .page-privacy .privacy-toc-list {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 8px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .term::after,
  .page-privacy .privacy-toc-link,
  .page-privacy .inline-link,
  .page-privacy .privacy-acc .acc-trigger {
    transition: none;
  }

  .page-privacy .collect-card:nth-child(2),
  .page-privacy .collect-card:nth-child(3) {
    transform: none;
  }
}