.page-privacy {
  --pv-line: rgba(110, 140, 133, .26);
  --pv-surface: rgba(7, 28, 23, .55);
  --pv-text-soft: rgba(247, 250, 248, .78);
}

/* ============ 首屏 ============ */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--masthead-h) + 34px) 0 52px;
  background: var(--ink-abyss);
}

.page-privacy .pv-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.45);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(120% 92% at 10% 0%, rgba(59, 232, 196, .16) 0%, transparent 62%),
    linear-gradient(180deg, rgba(7, 28, 23, .68) 0%, rgba(11, 42, 34, .9) 54%, var(--ink-deep) 100%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: 22px;
}

.page-privacy .pv-hero__title {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(2rem, 6.2vw, 3.9rem);
  line-height: 1.05;
  letter-spacing: -.022em;
  color: var(--white);
}

.page-privacy .pv-hero__lead {
  margin: 22px 0 0;
  max-width: 64ch;
  font-size: clamp(.98rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--pv-text-soft);
}

/* ============ 主体容器 ============ */
.page-privacy .pv-body {
  padding-top: 6px;
  padding-bottom: var(--step);
  background: var(--ink-deep);
}

.page-privacy .pv-body .grid {
  row-gap: 26px;
  column-gap: clamp(20px, 3vw, 46px);
}

.page-privacy .pv-index,
.page-privacy .pv-content {
  min-width: 0;
}

/* ============ 左侧编号索引 ============ */
.page-privacy .pv-index {
  align-self: start;
}

.page-privacy .pv-index__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-privacy .pv-index__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  border-bottom: 1px solid var(--pv-line);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .pv-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 10px;
  white-space: nowrap;
  font-size: 13px;
  line-height: 1.4;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
  background: var(--neon-soft);
}

.page-privacy .pv-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--neon);
}

/* ============ 章节 ============ */
.page-privacy .pv-sec {
  padding: 34px 0;
  border-top: 1px solid var(--pv-line);
  scroll-margin-top: calc(var(--masthead-h) + 22px);
}

.page-privacy .pv-sec:first-of-type {
  padding-top: 4px;
  border-top: 0;
}

.page-privacy .pv-sec__head {
  margin: 0;
}

.page-privacy .pv-sec__title {
  margin: 10px 0 0;
  font-family: var(--font-narrow);
  font-weight: 800;
  font-size: clamp(1.32rem, 3.2vw, 1.92rem);
  line-height: 1.22;
  letter-spacing: -.012em;
  color: var(--white);
}

.page-privacy .pv-sec__lead {
  max-width: 68ch;
  margin: 14px 0 0;
  font-size: .98rem;
  line-height: 1.82;
  color: var(--pv-text-soft);
}

.page-privacy .pv-sec__lead a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 灰青方括号要点 ============ */
.page-privacy .pv-points {
  display: grid;
  gap: 20px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-points > li {
  position: relative;
  padding-left: 30px;
}

.page-privacy .pv-points > li::before,
.page-privacy .pv-points > li::after {
  position: absolute;
  top: 0;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--muted);
  pointer-events: none;
}

.page-privacy .pv-points > li::before { content: "["; left: 0; }
.page-privacy .pv-points > li::after { content: "]"; left: 9px; }

.page-privacy .pv-points__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--neon);
}

.page-privacy .pv-points p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--pv-text-soft);
}

.page-privacy .pv-points a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 编号使用目的列表 ============ */
.page-privacy .pv-uses {
  counter-reset: pvuse;
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  background: var(--pv-line);
  border: 1px solid var(--pv-line);
}

.page-privacy .pv-uses > li {
  position: relative;
  counter-increment: pvuse;
  padding: 18px 18px 18px 54px;
  background: var(--ink-deep);
}

.page-privacy .pv-uses > li::before {
  content: counter(pvuse, decimal-leading-zero);
  position: absolute;
  top: 19px;
  left: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-privacy .pv-uses__title {
  margin: 0 0 6px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.page-privacy .pv-uses p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--pv-text-soft);
}

/* ============ 琥珀提示块 ============ */
.page-privacy .pv-callout {
  margin-top: 24px;
  padding: 20px 20px 20px 22px;
  border-left: 3px solid var(--amber);
  background: var(--pv-surface);
}

.page-privacy .pv-callout .pv-callout__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-privacy .pv-callout p {
  margin: 0 0 10px;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--pv-text-soft);
}

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

.page-privacy .pv-callout a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 可展开组 ============ */
.page-privacy .pv-folds {
  margin-top: 22px;
}

.page-privacy .pv-fold {
  border: 1px solid var(--pv-line);
  background: var(--pv-surface);
}

.page-privacy .pv-fold + .pv-fold {
  margin-top: 8px;
}

.page-privacy .pv-fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 16px;
  font-size: .96rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  cursor: pointer;
  list-style: none;
}

.page-privacy .pv-fold__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-fold__summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--neon);
  transition: transform .2s var(--ease);
}

.page-privacy .pv-fold[open] .pv-fold__summary {
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-fold[open] .pv-fold__summary::after {
  content: "\2212";
}

.page-privacy .pv-fold__body {
  padding: 16px;
  font-size: .94rem;
  line-height: 1.82;
  color: var(--pv-text-soft);
}

.page-privacy .pv-fold__body p {
  margin: 0 0 10px;
}

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

/* ============ 联系方式行 ============ */
.page-privacy .pv-reach {
  display: grid;
  gap: 0;
  margin: 4px 0 14px;
}

.page-privacy .pv-reach__item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-reach__key {
  min-width: 78px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-privacy .pv-reach__val {
  font-size: .96rem;
  color: var(--white);
  user-select: all;
}

/* ============ 版本号 ============ */
.page-privacy .pv-version {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 18px 0 0;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--amber);
  border: 1px dashed var(--rule);
}

/* ============ 结尾指引 ============ */
.page-privacy .pv-tail {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-tail p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.82;
  color: var(--muted);
}

.page-privacy .pv-tail a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 桌面栅格与粘性索引 ============ */
@media (min-width: 900px) {
  .page-privacy .pv-index {
    grid-column: span 3;
  }

  .page-privacy .pv-content {
    grid-column: span 9;
  }

  .page-privacy .pv-index__list {
    position: sticky;
    top: calc(var(--masthead-h) + 24px);
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--pv-line);
  }

  .page-privacy .pv-index__link {
    margin-left: -1px;
    padding: 9px 12px 9px 14px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-privacy .pv-index__link:hover,
  .page-privacy .pv-index__link:focus-visible {
    border-bottom-color: transparent;
    border-left-color: var(--neon);
  }

  .page-privacy .pv-sec {
    padding: 42px 0;
  }

  .page-privacy .pv-points {
    gap: 22px;
  }
}

@media (max-width: 899px) {
  .page-privacy .pv-index,
  .page-privacy .pv-content {
    grid-column: 1 / -1;
  }

  .page-privacy .pv-hero__title {
    max-width: none;
  }

  .page-privacy .pv-uses > li {
    padding: 16px 16px 16px 48px;
  }

  .page-privacy .pv-uses > li::before {
    top: 17px;
    left: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__link,
  .page-privacy .pv-fold__summary::after {
    transition: none;
  }
}