.page-privacy {
  display: block;
  color: var(--star);
  background-color: var(--ink-deep);
  background-image:
    radial-gradient(120% 58% at 88% -8%, rgba(122, 92, 255, 0.22), transparent 62%),
    radial-gradient(88% 48% at -4% 14%, rgba(57, 230, 208, 0.08), transparent 56%);
  background-repeat: no-repeat;
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-privacy .pv-top-anchor {
  display: block;
  height: 0;
  overflow: hidden;
}

/* ---------- 页头 ---------- */

.page-privacy .pv-head {
  padding: clamp(26px, 5vw, 58px) 0 clamp(20px, 3.4vw, 34px);
  border-bottom: 1px solid var(--line-orbit);
}

.page-privacy .crumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dust);
}

.page-privacy .crumbs a {
  color: var(--dust);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

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

.page-privacy .eyebrow {
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--nebula);
}

.page-privacy .pv-title {
  margin: 14px 0 0;
  max-width: 22ch;
  font-family: var(--font-sans);
  font-weight: 250;
  font-size: clamp(1.85rem, 6.2vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: 0.05em;
  color: var(--star);
}

.page-privacy .pv-lede {
  margin: clamp(16px, 3vw, 26px) 0 0;
  max-width: 64ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--star);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: clamp(20px, 3.2vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-meta li {
  padding: 7px 12px;
  border: 1px solid var(--line-orbit);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--dust);
}

.page-privacy .pv-meta__hl {
  color: var(--pulse);
}

/* ---------- 氛围图 ---------- */

.page-privacy .pv-figure {
  margin: clamp(26px, 4.4vw, 48px) 0 0;
}

.page-privacy .pv-figure .figure__frame {
  aspect-ratio: 14 / 9;
  border: 2px solid var(--line-orbit);
  box-shadow: 8px 8px 0 var(--shadow-deep);
  overflow: hidden;
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center;
}

.page-privacy .pv-figure .figure__cap {
  margin-top: 14px;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--dust);
}

/* ---------- 双栏骨架 ---------- */

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 56px);
  margin-top: clamp(34px, 5.6vw, 64px);
}

/* ---------- 左侧目录 ---------- */

.page-privacy .pv-toc {
  align-self: start;
  padding: 18px 0 0;
  border-top: 2px solid var(--nebula);
}

.page-privacy .pv-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dust);
}

.page-privacy .pv-toc__list {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-toc__list::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: linear-gradient(180deg, var(--nebula), var(--line-orbit) 70%, transparent);
}

.page-privacy .pv-toc__list li {
  position: relative;
}

.page-privacy .pv-toc__list a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 8px 6px 8px 0;
  min-height: 44px;
  box-sizing: border-box;
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  color: var(--dust);
  transition: color var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-privacy .pv-toc__list a::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 16px;
  width: 9px;
  height: 9px;
  box-sizing: border-box;
  border: 1px solid var(--nebula);
  background: var(--ink-deep);
  transform: rotate(45deg);
  transition: background var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  color: var(--pulse);
  transform: translateX(3px);
}

.page-privacy .pv-toc__list a:hover::before,
.page-privacy .pv-toc__list a:focus-visible::before {
  background: var(--pulse);
  border-color: var(--pulse);
}

.page-privacy .pv-toc__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--star);
}

/* ---------- 条款 ---------- */

.page-privacy .pv-clause {
  border-top: 1px solid var(--line-orbit);
  scroll-margin-top: 96px;
}

.page-privacy .pv-clause:last-of-type {
  border-bottom: 1px solid var(--line-orbit);
}

.page-privacy .pv-clause > summary {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: clamp(20px, 3.2vw, 30px) 0 clamp(18px, 2.8vw, 26px);
  cursor: pointer;
  list-style: none;
  transition: background var(--fast) var(--ease);
}

.page-privacy .pv-clause > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-clause > summary:hover {
  background: rgba(122, 92, 255, 0.07);
}

.page-privacy .pv-clause > summary:focus-visible {
  outline: 3px solid var(--pulse);
  outline-offset: 2px;
}

.page-privacy .pv-clause__idx {
  display: inline-block;
  padding: 3px 6px;
  border: 1px solid var(--line-orbit);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--nebula);
  text-align: center;
}

.page-privacy .pv-clause[open] .pv-clause__idx {
  border-color: var(--nebula);
  background: var(--nebula);
  color: var(--ink-deep);
}

.page-privacy .pv-clause__head {
  display: block;
  min-width: 0;
}

.page-privacy .pv-clause__title {
  position: relative;
  margin: 0;
  padding-right: 30px;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(1.1rem, 3.4vw, 1.5rem);
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--star);
}

.page-privacy .pv-clause__title::after {
  content: "＋";
  position: absolute;
  right: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1.4;
  color: var(--nebula);
  transition: color var(--fast) var(--ease);
}

.page-privacy .pv-clause[open] .pv-clause__title::after {
  content: "－";
  color: var(--pulse);
}

.page-privacy .pv-clause__hint {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--dust);
}

.page-privacy .pv-clause__body {
  padding-bottom: clamp(24px, 3.6vw, 38px);
}

.page-privacy .pv-clause__body p {
  max-width: 68ch;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--star);
}

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

.page-privacy .link {
  color: var(--pulse);
  text-decoration: none;
  border-bottom: 1px solid var(--line-orbit);
  transition: border-color var(--fast) var(--ease);
}

.page-privacy .link:hover,
.page-privacy .link:focus-visible {
  border-bottom-color: var(--pulse);
}

/* ---------- 信息分类对照 ---------- */

.page-privacy .pv-pairs {
  margin: 0 0 22px;
  padding: 0;
  border-left: 2px solid var(--line-orbit);
}

.page-privacy .pv-pairs__item {
  padding: 14px 0 14px 18px;
  border-bottom: 1px dashed var(--line-orbit);
}

.page-privacy .pv-pairs__item:last-child {
  border-bottom: 0;
}

.page-privacy .pv-pairs dt {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--pulse);
}

.page-privacy .pv-pairs dd {
  margin: 8px 0 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--star);
}

/* ---------- 纸感提示块 ---------- */

.page-privacy .pv-note {
  margin: 0 0 22px;
  padding: clamp(16px, 2.6vw, 22px) clamp(16px, 2.6vw, 24px);
  border: 2px solid var(--ink-deep);
  box-shadow: 5px 5px 0 var(--shadow-deep);
  color: var(--ink-deep);
}

.page-privacy .pv-note__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-deep);
}

.page-privacy .pv-note p {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-deep);
}

/* ---------- 收尾区块 ---------- */

.page-privacy .pv-cta {
  margin-top: clamp(36px, 5.6vw, 60px);
  padding: clamp(22px, 3.6vw, 36px);
  border: 2px solid var(--line-orbit);
  box-shadow: 8px 8px 0 var(--shadow-deep);
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(122, 92, 255, 0.24), transparent 62%),
    var(--ink-night);
}

.page-privacy .pv-cta__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 300;
  font-size: clamp(1.2rem, 3.6vw, 1.75rem);
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--star);
}

.page-privacy .pv-cta__text {
  margin: 12px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--dust);
}

.page-privacy .pv-cta__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.8vw, 26px);
}

.page-privacy .pv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  text-decoration: none;
  background: var(--nebula);
  color: var(--star);
  border: 2px solid var(--nebula);
  transition: transform var(--fast) var(--ease), background var(--fast) var(--ease), color var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.page-privacy .pv-btn:hover,
.page-privacy .pv-btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--shadow-deep);
}

.page-privacy .pv-btn--ghost {
  background: transparent;
  border-color: var(--line-orbit);
  color: var(--star);
}

.page-privacy .pv-btn--ghost:hover,
.page-privacy .pv-btn--ghost:focus-visible {
  border-color: var(--pulse);
  color: var(--pulse);
}

/* ---------- 返回顶部 ---------- */

.page-privacy .pv-backtop {
  position: fixed;
  right: clamp(14px, 3vw, 34px);
  bottom: clamp(14px, 3vw, 34px);
  z-index: 8;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-decoration: none;
  color: var(--ink-deep);
  background: var(--pulse);
  border: 2px solid var(--ink-deep);
  box-shadow: 4px 4px 0 var(--shadow-deep);
  transition: transform var(--fast) var(--ease);
}

.page-privacy .pv-backtop:hover,
.page-privacy .pv-backtop:focus-visible {
  transform: translate(-2px, -2px);
}

@supports (animation-timeline: scroll()) {
  .page-privacy .pv-backtop {
    opacity: 0;
    transform: translateY(14px);
    animation: pv-backtop-rise 1ms linear both;
    animation-timeline: scroll(root);
    animation-range: 70vh 100vh;
  }

  .page-privacy .pv-backtop:hover,
  .page-privacy .pv-backtop:focus-visible {
    opacity: 1;
  }
}

@keyframes pv-backtop-rise {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 720px) {
  .page-privacy .pv-note {
    max-width: 72ch;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(200px, 250px) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
    padding-top: 22px;
  }

  .page-privacy .pv-clause > summary {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 18px;
  }

  .page-privacy .pv-clause__body {
    padding-left: 60px;
  }

  .page-privacy .pv-figure .figure__frame {
    aspect-ratio: 21 / 9;
  }
}

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

  .page-privacy .pv-toc__list a:hover,
  .page-privacy .pv-toc__list a:focus-visible,
  .page-privacy .pv-btn:hover,
  .page-privacy .pv-btn:focus-visible,
  .page-privacy .pv-backtop:hover,
  .page-privacy .pv-backtop:focus-visible {
    transform: none;
  }

  @supports (animation-timeline: scroll()) {
    .page-privacy .pv-backtop {
      animation: none;
      opacity: 1;
      transform: none;
    }
  }
}