.page-privacy {
  --pp-measure: 62ch;
  --pp-index-w: 232px;
}

/* ---------- 首屏 ---------- */

.page-privacy .pp-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 4rem) 0 clamp(1.5rem, 4vw, 3rem);
  overflow: hidden;
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(0, 194, 255, .07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 194, 255, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(125% 95% at 12% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(125% 95% at 12% 0%, #000 0%, transparent 74%);
  pointer-events: none;
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: min(38%, 320px);
  height: 3px;
  background: linear-gradient(90deg, var(--neon-orange), rgba(255, 107, 53, 0));
  pointer-events: none;
}

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

.page-privacy .pp-hero__title {
  margin: .75rem 0 0;
  font-size: clamp(2.8rem, 7.5vw, 6rem);
  font-weight: 200;
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--ink-white);
}

.page-privacy .pp-hero__lede {
  margin: clamp(1rem, 2.5vw, 1.75rem) 0 0;
  max-width: var(--pp-measure);
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
  color: var(--ink-white);
}

.page-privacy .pp-hero__meta {
  display: grid;
  gap: .9rem 1.5rem;
  margin: clamp(1.5rem, 3.5vw, 2.75rem) 0 0;
  padding-top: clamp(1rem, 2.5vw, 1.5rem);
  border-top: 1px solid var(--divider-line);
}

.page-privacy .pp-hero__meta-item {
  min-width: 0;
}

.page-privacy .pp-hero__meta dt {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--index-sage);
  margin-bottom: .35rem;
}

.page-privacy .pp-hero__meta dd {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.6;
  color: var(--ink-white);
}

.page-privacy .pp-hero__meta-mail {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: .875rem;
  color: var(--electric-blue);
  overflow-wrap: anywhere;
}

@media (min-width: 720px) {
  .page-privacy .pp-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 布局 ---------- */

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2rem);
  align-items: start;
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

@media (min-width: 980px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    gap: clamp(2rem, 4.5vw, 4.5rem);
  }
}

/* ---------- 章节索引 ---------- */

.page-privacy .pp-index {
  padding: 1rem;
  border: 1px solid var(--divider-line);
  border-radius: var(--radius);
  background: var(--glass-layer);
  backdrop-filter: blur(6px);
}

.page-privacy .pp-index__title {
  margin: 0 0 .75rem;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--index-sage);
  text-transform: uppercase;
}

.page-privacy .pp-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: .2rem;
}

.page-privacy .pp-index__list a {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding: .5rem .65rem;
  border-left: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  line-height: 1.45;
  color: var(--index-sage);
  text-decoration: none;
  transition: color .22s var(--ease), background-color .22s var(--ease), border-color .22s var(--ease);
}

.page-privacy .pp-index__list a:hover,
.page-privacy .pp-index__list a:focus-visible {
  color: var(--ink-white);
  background: rgba(0, 194, 255, .08);
  border-left-color: var(--neon-orange);
}

.page-privacy .pp-index__no {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: .75rem;
  color: var(--electric-blue);
  font-variant-numeric: tabular-nums;
  flex: 0 0 auto;
}

.page-privacy .pp-index__note {
  margin: .9rem 0 0;
  padding-top: .8rem;
  border-top: 1px solid var(--divider-line);
  font-size: .8125rem;
  line-height: 1.75;
  color: var(--index-sage);
}

.page-privacy .pp-index__note a {
  color: var(--electric-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 194, 255, .4);
}

.page-privacy .pp-index__note a:hover,
.page-privacy .pp-index__note a:focus-visible {
  color: var(--neon-orange);
  border-bottom-color: rgba(255, 107, 53, .6);
}

@media (min-width: 980px) {
  .page-privacy .pp-index {
    position: sticky;
    top: calc(var(--topbar-h) + 1.25rem);
  }

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

/* ---------- 章节 ---------- */

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

.page-privacy .pp-sec {
  background: var(--panel-green);
  border: 1px solid var(--divider-line);
  border-radius: var(--radius);
  margin-bottom: clamp(1rem, 2.4vw, 1.5rem);
  overflow: hidden;
  scroll-margin-top: calc(var(--topbar-h) + 1.5rem);
  transition: border-color .28s var(--ease), box-shadow .28s var(--ease);
}

.page-privacy .pp-sec:target {
  border-color: var(--neon-orange);
  box-shadow: 0 0 0 1px rgba(255, 107, 53, .35), 0 18px 40px rgba(0, 0, 0, .28);
}

.page-privacy .pp-sec > summary {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: clamp(1.05rem, 2.6vw, 1.5rem) clamp(1.1rem, 3vw, 2rem);
  cursor: pointer;
  list-style: none;
  transition: background-color .22s var(--ease);
}

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

.page-privacy .pp-sec > summary:hover {
  background: var(--glass-layer);
}

.page-privacy .pp-sec[open] > summary {
  border-bottom: 1px solid var(--divider-line);
}

.page-privacy .pp-sec > summary h2 {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(1.1rem, 2.3vw, 1.45rem);
  font-weight: 500;
  letter-spacing: -.01em;
  color: var(--ink-white);
}

.page-privacy .pp-sec__no {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: .8125rem;
  letter-spacing: .06em;
  color: var(--neon-orange);
  font-variant-numeric: tabular-nums;
  flex: 0 0 auto;
}

.page-privacy .pp-sec > summary::after {
  content: "";
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  margin-right: .2rem;
  border-right: 2px solid var(--index-sage);
  border-bottom: 2px solid var(--index-sage);
  transform: rotate(45deg);
  transition: transform .26s var(--ease), border-color .26s var(--ease);
}

.page-privacy .pp-sec[open] > summary::after {
  transform: rotate(-135deg);
  border-color: var(--electric-blue);
}

.page-privacy .pp-sec__body {
  padding: clamp(1.1rem, 3vw, 2rem);
}

.page-privacy .pp-sec__body > p {
  margin: 0 0 1.1rem;
  max-width: var(--pp-measure);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-white);
}

.page-privacy .pp-sec__body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-sec__body a {
  color: var(--electric-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 194, 255, .4);
}

.page-privacy .pp-sec__body a:hover,
.page-privacy .pp-sec__body a:focus-visible {
  color: var(--neon-orange);
  border-bottom-color: rgba(255, 107, 53, .6);
}

.page-privacy .pp-subhead {
  margin: clamp(1.5rem, 3vw, 2rem) 0 .9rem;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--electric-blue);
  text-transform: uppercase;
}

/* ---------- 条目列表 ---------- */

.page-privacy .pp-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-privacy .pp-list > li {
  padding: .15rem 0 .15rem 1rem;
  border-left: 2px solid var(--divider-line);
  transition: border-color .22s var(--ease);
}

.page-privacy .pp-list > li:hover {
  border-left-color: var(--electric-blue);
}

.page-privacy .pp-list h3 {
  margin: 0 0 .3rem;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-white);
}

.page-privacy .pp-list p {
  margin: 0;
  max-width: var(--pp-measure);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--index-sage);
}

.page-privacy .pp-rules {
  margin: 0;
  padding-left: 1.25rem;
  display: grid;
  gap: .6rem;
}

.page-privacy .pp-rules li {
  max-width: var(--pp-measure);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-white);
}

.page-privacy .pp-rules li::marker {
  font-family: var(--font-mono);
  font-weight: 800;
  color: var(--electric-blue);
}

/* ---------- 高亮条款块 ---------- */

.page-privacy .pp-callout {
  margin: clamp(1.25rem, 3vw, 1.75rem) 0 0;
  padding: clamp(1rem, 2.6vw, 1.4rem) clamp(1.05rem, 2.8vw, 1.6rem);
  border: 1px solid rgba(255, 107, 53, .35);
  border-left: 4px solid var(--neon-orange);
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(255, 107, 53, .14), rgba(0, 194, 255, .07));
}

.page-privacy .pp-callout--blue {
  border-color: rgba(0, 194, 255, .38);
  border-left-color: var(--electric-blue);
  background: linear-gradient(135deg, rgba(0, 194, 255, .14), rgba(46, 211, 160, .07));
}

.page-privacy .pp-callout h3 {
  margin: 0 0 .4rem;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--neon-orange);
}

.page-privacy .pp-callout--blue h3 {
  color: var(--electric-blue);
}

.page-privacy .pp-callout p {
  margin: 0;
  max-width: var(--pp-measure);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-white);
}

/* ---------- 信息流向图 ---------- */

.page-privacy .pp-diagram {
  margin: 0 0 clamp(1rem, 2.4vw, 1.5rem);
}

.page-privacy .pp-diagram img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

/* ---------- 双栏条目表 ---------- */

.page-privacy .pp-rights {
  display: grid;
  gap: 1px;
  margin-top: 1.25rem;
  border: 1px solid var(--divider-line);
  border-radius: var(--radius-sm);
  background: var(--divider-line);
  overflow: hidden;
}

.page-privacy .pp-rights__row {
  display: grid;
  gap: .35rem;
  padding: 1rem clamp(.9rem, 2.4vw, 1.3rem);
  background: var(--panel-green);
}

@media (min-width: 700px) {
  .page-privacy .pp-rights__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 1.25rem;
    align-items: baseline;
  }
}

.page-privacy .pp-rights__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 800;
  letter-spacing: .04em;
  color: var(--electric-blue);
}

.page-privacy .pp-rights__v {
  margin: 0;
  max-width: var(--pp-measure);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink-white);
}

/* ---------- 联系条 ---------- */

.page-privacy .pp-contactline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .75rem 1.25rem;
  padding: clamp(.9rem, 2.4vw, 1.2rem) clamp(1rem, 2.6vw, 1.4rem);
  border: 1px solid var(--divider-line);
  border-radius: var(--radius-sm);
  background: var(--glass-layer);
}

.page-privacy .pp-contactline__text {
  display: flex;
  flex-direction: column;
  gap: .25rem;
  min-width: 0;
  flex: 1 1 240px;
}

.page-privacy .pp-contactline__k {
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--index-sage);
}

.page-privacy .pp-contactline__v {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: .9375rem;
  color: var(--ink-white);
  overflow-wrap: anywhere;
}

.page-privacy .pp-copy {
  flex: 0 0 auto;
  padding: .55rem 1.05rem;
  border: 1px solid rgba(255, 107, 53, .5);
  border-radius: 999px;
  background: transparent;
  color: var(--neon-orange);
  font-family: var(--font-sans);
  font-size: .8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color .22s var(--ease), color .22s var(--ease);
}

.page-privacy .pp-copy:hover,
.page-privacy .pp-copy:focus-visible {
  background: var(--neon-orange);
  color: var(--deep-turf);
}

.page-privacy .pp-copy.is-done {
  border-color: var(--rise-teal);
  background: var(--rise-teal);
  color: var(--deep-turf);
}

.page-privacy .pp-note {
  margin: .9rem 0 0;
  max-width: var(--pp-measure);
  font-size: .875rem;
  line-height: 1.8;
  color: var(--index-sage);
}

/* ---------- 尾段导航 ---------- */

.page-privacy .pp-next {
  margin-top: clamp(1.75rem, 4vw, 3rem);
  padding-top: clamp(1.25rem, 3vw, 2rem);
  border-top: 1px solid var(--divider-line);
}

.page-privacy .pp-next__title {
  margin: 0 0 1rem;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--index-sage);
  text-transform: uppercase;
}

.page-privacy .pp-next__grid {
  display: grid;
  gap: .75rem;
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 720px) {
  .page-privacy .pp-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-privacy .pp-next__card {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1.1rem clamp(1rem, 2.4vw, 1.25rem);
  border: 1px solid var(--divider-line);
  border-radius: var(--radius-sm);
  background: var(--glass-layer);
  text-decoration: none;
  transition: border-color .24s var(--ease), transform .24s var(--ease), background-color .24s var(--ease);
}

.page-privacy .pp-next__card:hover,
.page-privacy .pp-next__card:focus-visible {
  border-color: var(--electric-blue);
  background: rgba(0, 194, 255, .08);
  transform: translateY(-2px);
}

.page-privacy .pp-next__k {
  font-size: 1rem;
  font-weight: 600;
  color: var(--neon-orange);
}

.page-privacy .pp-next__v {
  font-size: .875rem;
  line-height: 1.75;
  color: var(--index-sage);
}

/* ---------- 打印 ---------- */

@media print {
  .page-privacy .pp-index,
  .page-privacy .pp-next {
    display: none;
  }

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

  .page-privacy .pp-hero::before,
  .page-privacy .pp-hero::after {
    display: none;
  }

  .page-privacy .pp-sec,
  .page-privacy .pp-rights,
  .page-privacy .pp-rights__row,
  .page-privacy .pp-contactline,
  .page-privacy .pp-callout {
    background: #fff;
    border-color: #b9b9b9;
  }

  .page-privacy .pp-sec {
    break-inside: avoid;
    margin-bottom: .75rem;
  }

  .page-privacy .pp-hero__title,
  .page-privacy .pp-hero__lede,
  .page-privacy .pp-hero__meta dd,
  .page-privacy .pp-sec > summary h2,
  .page-privacy .pp-sec__body > p,
  .page-privacy .pp-list h3,
  .page-privacy .pp-list p,
  .page-privacy .pp-rules li,
  .page-privacy .pp-rights__k,
  .page-privacy .pp-rights__v,
  .page-privacy .pp-callout h3,
  .page-privacy .pp-callout p,
  .page-privacy .pp-contactline__v,
  .page-privacy .pp-note {
    color: #111;
  }
}

/* ---------- 动效偏好 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-sec,
  .page-privacy .pp-next__card,
  .page-privacy .pp-index__list a,
  .page-privacy .pp-sec > summary::after {
    transition: none;
  }
}