.page-privacy {
  --pr-accent: #6D28D9;
  --pr-accent-2: #0E7490;
  --pr-ink-soft: rgba(26, 21, 38, 0.7);
  --pr-doc-line: rgba(26, 21, 38, 0.14);
  --pr-doc-w: 940px;
  --pr-w: 50%;
  background: var(--al-ink);
  color: var(--al-text);
}

/* ---------- 首屏：低干扰阅读模式 ---------- */
.page-privacy .pr-hero {
  position: relative;
  padding-block: clamp(1.75rem, 5vw, 3.25rem) clamp(1.25rem, 3vw, 2rem);
  background-image: var(--al-scan-line);
  overflow: hidden;
}

.page-privacy .pr-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(115% 85% at 12% 0%, rgba(139, 92, 246, 0.24), transparent 62%);
  pointer-events: none;
}

.page-privacy .pr-hero > .al-shell {
  position: relative;
  z-index: 1;
}

.page-privacy .pr-kicker {
  margin: 1rem 0 0;
  font-family: var(--al-font-mono);
  font-size: var(--al-label);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--al-cyan);
}

.page-privacy .pr-h1 {
  margin: 0.7rem 0 0;
  max-width: 24ch;
  font-family: var(--al-font-head);
  font-size: clamp(1.85rem, 5vw, 2.9rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.page-privacy .pr-lede {
  margin: 1rem 0 0;
  max-width: 58ch;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--al-muted);
}

/* ---------- 页内目录 ---------- */
.page-privacy .pr-toc {
  border-top: 1px solid var(--al-line);
  border-bottom: 1px solid var(--al-line);
  background: var(--al-ink-2);
}

.page-privacy .pr-toc__inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  overflow-x: auto;
  padding-block: 0.7rem;
  scrollbar-width: thin;
}

.page-privacy .pr-toc__label {
  flex: none;
  font-family: var(--al-font-mono);
  font-size: var(--al-label);
  letter-spacing: 0.2em;
  color: var(--al-muted);
}

.page-privacy .pr-toc__list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pr-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--al-line);
  border-radius: 999px;
  font-size: 0.8125rem;
  color: var(--al-text);
  text-decoration: none;
  transition: border-color 0.2s var(--al-ease), color 0.2s var(--al-ease);
}

.page-privacy .pr-toc__link:hover,
.page-privacy .pr-toc__link:focus-visible {
  border-color: var(--al-violet);
}

.page-privacy .pr-toc__link[data-active] {
  border-color: var(--al-cyan);
  color: var(--al-cyan);
}

.page-privacy .pr-toc__num {
  font-family: var(--al-font-mono);
  font-size: 0.6875rem;
  color: var(--al-muted);
}

/* ---------- 暖纸文档面板 ---------- */
.page-privacy .pr-docwrap {
  padding-block: clamp(1.5rem, 4.5vw, 3rem);
  background: var(--al-ink);
}

.page-privacy .pr-doc {
  max-width: var(--pr-doc-w);
  margin-inline: auto;
  padding: clamp(1.25rem, 4vw, 3rem);
  background: var(--al-paper);
  color: var(--al-paper-ink);
  clip-path: polygon(18px 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%, 0 18px);
}

.page-privacy .pr-sec + .pr-sec {
  margin-top: clamp(1.75rem, 4.5vw, 3rem);
  padding-top: clamp(1.75rem, 4.5vw, 3rem);
  border-top: 1px solid var(--pr-doc-line);
}

.page-privacy .pr-h2 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 0.7rem;
  margin: 0;
  font-family: var(--al-font-head);
  font-size: clamp(1.3rem, 2.8vw, 1.7rem);
  font-weight: 900;
  line-height: 1.35;
  letter-spacing: -0.01em;
}

.page-privacy .pr-h2__num {
  font-family: var(--al-font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.2rem 0.4rem;
  color: var(--pr-accent);
  border: 1px solid rgba(109, 40, 217, 0.35);
  border-radius: 2px;
}

.page-privacy .pr-text {
  max-width: 62ch;
  margin: 0.9rem 0 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--pr-ink-soft);
}

.page-privacy .pr-inline {
  color: var(--pr-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pr-inline:hover,
.page-privacy .pr-inline:focus-visible {
  color: var(--pr-accent-2);
}

/* ---------- 01 四象限 ---------- */
.page-privacy .pr-collect {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.25rem;
}

.page-privacy .pr-quad {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
}

.page-privacy .pr-q {
  padding: 0.85rem 1rem;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--pr-doc-line);
  clip-path: polygon(10px 0, 100% 0, 100% 100%, calc(100% - 10px) 100%, 0 100%, 0 10px);
}

.page-privacy .pr-q > summary {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
  list-style: none;
}

.page-privacy .pr-q > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pr-q > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--al-font-mono);
  font-size: 1rem;
  line-height: 1.2;
  color: var(--pr-accent);
}

.page-privacy .pr-q[open] > summary::after {
  content: "\2013";
}

.page-privacy .pr-q__idx {
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-family: var(--al-font-mono);
  font-size: 0.6875rem;
  color: #fff;
  background: linear-gradient(135deg, var(--pr-accent), #4C1D95);
  border-radius: 3px;
}

.page-privacy .pr-q__name {
  font-size: 0.9375rem;
  font-weight: 700;
  line-height: 1.5;
}

.page-privacy .pr-q__sub {
  display: block;
  margin-top: 0.1rem;
  font-style: normal;
  font-weight: 400;
  font-size: 0.8125rem;
  color: var(--pr-ink-soft);
}

.page-privacy .pr-q__list {
  margin: 0.7rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--pr-ink-soft);
}

.page-privacy .pr-q__list li + li {
  margin-top: 0.35rem;
}

.page-privacy .pr-flow {
  aspect-ratio: 3 / 2;
  margin: 0;
}

/* ---------- 02 留存刻度条 ---------- */
.page-privacy .pr-bars {
  display: grid;
  gap: 1.05rem;
  margin-top: 1.4rem;
}

.page-privacy .pr-bar__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.3rem 0.9rem;
}

.page-privacy .pr-bar__name {
  font-size: 0.9375rem;
  font-weight: 700;
}

.page-privacy .pr-bar__val {
  font-family: var(--al-font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--pr-accent);
}

.page-privacy .pr-bar__track {
  margin-top: 0.45rem;
  height: 9px;
  background: rgba(26, 21, 38, 0.09);
  border-radius: 2px;
  overflow: hidden;
}

.page-privacy .pr-bar__fill {
  height: 100%;
  width: var(--pr-w);
  background: linear-gradient(90deg, var(--pr-accent), var(--pr-accent-2));
}

/* ---------- 03 本地存储 ---------- */
.page-privacy .pr-store {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.page-privacy .pr-store__item {
  padding: 0.5rem 0.9rem;
  background: rgba(255, 255, 255, 0.5);
  border-left: 3px solid var(--pr-accent);
}

.page-privacy .pr-store__k {
  display: block;
  font-family: var(--al-font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--pr-accent-2);
}

.page-privacy .pr-store__v {
  margin: 0.3rem 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--pr-ink-soft);
}

/* ---------- 04 操作步骤 ---------- */
.page-privacy .pr-steps {
  display: grid;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.page-privacy .pr-step {
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--pr-doc-line);
}

.page-privacy .pr-step > summary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.9375rem;
  font-weight: 700;
}

.page-privacy .pr-step > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pr-step__k {
  flex: none;
  font-family: var(--al-font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  padding: 0.15rem 0.4rem;
  color: #fff;
  background: var(--pr-accent-2);
  border-radius: 2px;
}

.page-privacy .pr-step__body {
  padding: 0 1rem 1rem;
  font-size: 0.875rem;
  line-height: 1.78;
  color: var(--pr-ink-soft);
}

/* ---------- 05 年龄与更新 ---------- */
.page-privacy .pr-age {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.page-privacy .pr-age__item {
  padding: 0.85rem 1rem;
  border: 1px dashed var(--pr-doc-line);
}

.page-privacy .pr-age__k {
  display: block;
  margin-bottom: 0.3rem;
  font-family: var(--al-font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  color: var(--pr-accent);
}

.page-privacy .pr-age__v {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--pr-ink-soft);
}

/* ---------- 页尾相关页面 ---------- */
.page-privacy .pr-links {
  padding-block: clamp(1.75rem, 5vw, 3rem);
  background: var(--al-ink-2);
  border-top: 1px solid var(--al-line-strong);
}

.page-privacy .pr-links__title {
  margin: 0;
  font-family: var(--al-font-head);
  font-size: clamp(1.15rem, 2.4vw, 1.5rem);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-privacy .pr-links__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.7rem;
  margin-top: 1.15rem;
}

.page-privacy .pr-link {
  display: block;
  padding: 1rem 1.15rem;
  color: var(--al-text);
  text-decoration: none;
  background: linear-gradient(140deg, rgba(139, 92, 246, 0.18), rgba(34, 211, 238, 0.06));
  border: 1px solid var(--al-line);
  clip-path: polygon(14px 0, 100% 0, 100% 100%, calc(100% - 14px) 100%, 0 100%, 0 14px);
  transition: border-color 0.2s var(--al-ease), transform 0.2s var(--al-ease);
}

.page-privacy .pr-link:hover,
.page-privacy .pr-link:focus-visible {
  border-color: var(--al-cyan);
  transform: translateY(-2px);
}

.page-privacy .pr-link__t {
  display: block;
  font-size: 1rem;
  font-weight: 700;
}

.page-privacy .pr-link__d {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--al-muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-privacy .pr-quad {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-privacy .pr-collect {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: start;
    gap: 2rem;
  }

  .page-privacy .pr-store,
  .page-privacy .pr-age {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pr-links__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pr-flow {
    position: sticky;
    top: 6rem;
  }
}

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

  .page-privacy .pr-link:hover {
    transform: none;
  }
}

@media print {
  .page-privacy .pr-toc,
  .page-privacy .pr-links {
    display: none;
  }

  .page-privacy .pr-doc {
    max-width: none;
    clip-path: none;
    background: #fff;
  }
}