.page-privacy {
  --pv-measure: 44rem;
  --pv-toc: 200px;
  --pv-rail: clamp(40px, 6vw, 88px);
  display: block;
  background: var(--night);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  padding-top: clamp(22px, 4vw, 40px);
  padding-bottom: clamp(28px, 5vw, 56px);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 40px);
}

.page-privacy .pv-hero-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s20);
  align-items: end;
}

.page-privacy .pv-hero-copy {
  display: grid;
  gap: 12px;
}

.page-privacy .pv-h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 62px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 16em;
}

.page-privacy .pv-lede {
  margin: 0;
  font-size: clamp(15px, 2.2vw, 17px);
  line-height: 1.85;
  color: var(--muted);
  max-width: 34em;
}

.page-privacy .pv-hero-figure {
  margin: clamp(26px, 5vw, 48px) 0 0;
  position: relative;
  border: 1px solid var(--hair);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--panel);
  box-shadow: var(--shadow-hair);
}

.page-privacy .pv-hero-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1600 / 640;
  object-fit: cover;
}

/* ---------- 主布局 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 48px);
  padding-top: clamp(32px, 5vw, 60px);
  padding-bottom: clamp(44px, 8vw, 96px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .pv-index {
  border-top: 2px solid var(--lime);
  padding-top: 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-privacy .pv-index::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-index-label {
  margin: 0 0 10px;
  font-size: var(--s12);
  letter-spacing: 0.14em;
  color: var(--muted-deep);
  font-family: var(--font-num);
  text-transform: uppercase;
}

.page-privacy .pv-index-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 18px;
  white-space: nowrap;
}

.page-privacy .pv-index-link {
  display: block;
  padding: 5px 0 7px;
  font-size: var(--s14);
  color: var(--muted);
  text-decoration: none;
  border-bottom: 2px solid var(--hair);
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}

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

/* ---------- 正文 ---------- */
.page-privacy .pv-body {
  display: grid;
  gap: clamp(38px, 6vw, 76px);
  max-width: var(--pv-measure);
  min-width: 0;
}

.page-privacy .pv-sec {
  display: grid;
  gap: var(--s16);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--hair);
  scroll-margin-top: 120px;
}

.page-privacy .pv-sec-last {
  border-bottom: 1px solid var(--hair);
  padding-bottom: clamp(26px, 4vw, 40px);
}

.page-privacy .pv-sec-head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
}

.page-privacy .pv-sec-num {
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 600;
  line-height: 1;
  color: var(--lime);
  letter-spacing: -0.02em;
  flex: none;
}

.page-privacy .pv-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(19px, 2.8vw, 27px);
  line-height: 1.4;
  color: var(--ink);
}

.page-privacy .pv-text {
  margin: 0;
  font-size: var(--s16);
  line-height: 1.9;
  color: var(--ink);
  opacity: 0.9;
  max-width: 38em;
}

.page-privacy .pv-note {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.8;
  color: var(--muted);
  padding-left: 14px;
  border-left: 2px solid var(--hair);
  max-width: 38em;
}

.page-privacy .pv-tail {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.9;
  color: var(--muted);
}

.page-privacy .pv-tail .link-arrow {
  color: var(--lime);
  margin-right: 4px;
}

/* ---------- 信息卡片 ---------- */
.page-privacy .pv-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--radius-slab);
  overflow: hidden;
}

.page-privacy .pv-card {
  background: var(--panel);
  padding: clamp(18px, 3vw, 24px);
  display: grid;
  align-content: start;
  gap: 10px;
  outline: none;
  transition: background-color 0.26s var(--ease);
}

.page-privacy .pv-card:hover,
.page-privacy .pv-card:focus-visible {
  background: var(--raised);
}

.page-privacy .pv-card:focus-visible {
  box-shadow: inset 0 0 0 1px var(--lime);
}

.page-privacy .pv-icon-box {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid var(--hair);
  border-radius: 11px;
  background: var(--night);
  color: var(--lime);
}

.page-privacy .pv-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--s20);
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.page-privacy .pv-card-text {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.75;
  color: var(--muted);
}

.page-privacy .pv-card-extra {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.75;
  color: var(--ink);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  padding-top: 0;
  border-top: 1px solid transparent;
  transition: max-height 0.4s var(--ease), opacity 0.3s var(--ease),
    padding-top 0.4s var(--ease);
}

.page-privacy .pv-card:hover .pv-card-extra,
.page-privacy .pv-card:focus-visible .pv-card-extra {
  max-height: 260px;
  opacity: 1;
  padding-top: 12px;
  border-top-color: var(--hair);
}

/* ---------- 数据流向 ---------- */
.page-privacy .pv-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--radius-slab);
  overflow: hidden;
}

.page-privacy .pv-node {
  background: var(--panel);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
  position: relative;
}

.page-privacy .pv-node-k {
  font-family: var(--font-num);
  font-size: var(--s12);
  letter-spacing: 0.16em;
  color: var(--lime);
  text-transform: uppercase;
}

.page-privacy .pv-node-v {
  font-size: var(--s14);
  line-height: 1.65;
  color: var(--ink);
}

/* ---------- 用途清单 ---------- */
.page-privacy .pv-uses {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-privacy .pv-use {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--hair);
  border-radius: 12px;
  background: linear-gradient(135deg, var(--panel), var(--night));
}

.page-privacy .pv-use-title {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-body);
  font-size: var(--s16);
  font-weight: 600;
  color: var(--ink);
}

.page-privacy .pv-use-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  flex: none;
  box-shadow: 0 0 0 3px rgba(180, 255, 58, 0.14);
}

.page-privacy .pv-use-dot-ember {
  background: var(--ember);
  box-shadow: 0 0 0 3px rgba(255, 90, 43, 0.16);
}

.page-privacy .pv-use-text {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 定义清单 ---------- */
.page-privacy .pv-defs {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--hair);
}

.page-privacy .pv-def {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pv-def-k {
  font-family: var(--font-num);
  font-size: var(--s14);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-privacy .pv-def-v {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 共享情形 ---------- */
.page-privacy .pv-share-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-privacy .pv-share-item {
  padding: 14px 16px 14px 18px;
  border-left: 2px solid var(--cyan);
  background: var(--panel);
  border-radius: 0 12px 12px 0;
  display: grid;
  gap: 5px;
}

.page-privacy .pv-share-k {
  font-size: var(--s12);
  letter-spacing: 0.12em;
  color: var(--cyan);
  font-family: var(--font-num);
  text-transform: uppercase;
}

.page-privacy .pv-share-v {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 权利网格 ---------- */
.page-privacy .pv-rights-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-privacy .pv-right {
  padding: 18px;
  border: 1px solid var(--hair);
  border-radius: var(--radius-slab);
  background: var(--panel);
  display: grid;
  gap: 8px;
}

.page-privacy .pv-right-k {
  font-size: var(--s14);
  font-weight: 600;
  color: var(--lime);
  letter-spacing: 0.02em;
}

.page-privacy .pv-right-v {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 折叠步骤 ---------- */
.page-privacy .pv-steps {
  display: grid;
  gap: 10px;
}

.page-privacy .pv-details {
  border: 1px solid var(--hair);
  border-radius: var(--radius-slab);
  background: var(--panel);
  overflow: hidden;
}

.page-privacy .pv-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s16);
  padding: 15px 18px;
  cursor: pointer;
  font-size: var(--s16);
  font-weight: 500;
  color: var(--ink);
  list-style: none;
  transition: color 0.22s var(--ease), background-color 0.22s var(--ease);
}

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

.page-privacy .pv-summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 1.5px solid var(--lime);
  border-bottom: 1.5px solid var(--lime);
  transform: rotate(45deg);
  transition: transform 0.28s var(--ease), margin-top 0.28s var(--ease);
  flex: none;
  margin-top: -5px;
}

.page-privacy .pv-details[open] .pv-summary {
  color: var(--lime);
  background: var(--raised);
}

.page-privacy .pv-details[open] .pv-summary::after {
  transform: rotate(-135deg);
  margin-top: 4px;
}

.page-privacy .pv-details-body {
  padding: 16px 18px 20px;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 12px;
}

.page-privacy .pv-step-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: pvstep;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-step-list li {
  position: relative;
  padding-left: 36px;
  font-size: var(--s14);
  line-height: 1.75;
  color: var(--muted);
  counter-increment: pvstep;
}

.page-privacy .pv-step-list li::before {
  content: counter(pvstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-num);
  font-size: var(--s14);
  font-weight: 600;
  color: var(--lime);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pv-step-note {
  margin: 0;
  font-size: var(--s14);
  line-height: 1.75;
  color: var(--muted-deep);
}

.page-privacy .pv-step-note .link-arrow {
  color: var(--lime);
}

/* ---------- 联系方式 ---------- */
.page-privacy .pv-contact {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
  border-radius: var(--radius-slab);
  overflow: hidden;
}

.page-privacy .pv-contact-item {
  background: var(--night);
  padding: 16px 18px;
  display: grid;
  gap: 6px;
}

.page-privacy .pv-contact-k {
  font-size: var(--s12);
  letter-spacing: 0.1em;
  color: var(--muted-deep);
  font-family: var(--font-num);
  text-transform: uppercase;
}

.page-privacy .pv-contact-v {
  font-size: var(--s16);
  color: var(--ink);
  font-weight: 500;
  word-break: break-all;
}

/* ---------- 悬停不可用的触屏兜底 ---------- */
@media (hover: none) {
  .page-privacy .pv-card-extra {
    max-height: none;
    opacity: 1;
    padding-top: 12px;
    border-top-color: var(--hair);
  }
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .page-privacy .pv-share-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

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

  .page-privacy .pv-def {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-privacy .pv-lede {
    text-align: right;
  }
}

/* ---------- 宽屏：章节索引固定在左侧 ---------- */
@media (min-width: 980px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-toc) minmax(0, 1fr);
    gap: var(--pv-rail);
  }

  .page-privacy .pv-index {
    position: sticky;
    top: 108px;
    align-self: start;
    overflow: visible;
  }

  .page-privacy .pv-index-list {
    display: grid;
    gap: 2px;
    white-space: normal;
  }

  .page-privacy .pv-index-link {
    padding: 7px 0 7px 12px;
    border-bottom: none;
    border-left: 2px solid var(--hair);
    transition: color 0.22s var(--ease), border-color 0.22s var(--ease),
      padding-left 0.22s var(--ease), background-color 0.22s var(--ease);
  }

  .page-privacy .pv-index-link:hover,
  .page-privacy .pv-index-link:focus-visible {
    border-left-color: var(--lime);
    border-bottom-color: transparent;
    padding-left: 17px;
    background: rgba(180, 255, 58, 0.05);
  }
}

/* ---------- 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-card,
  .page-privacy .pv-card-extra,
  .page-privacy .pv-index-link,
  .page-privacy .pv-summary,
  .page-privacy .pv-summary::after {
    transition: none;
  }

  .page-privacy .pv-card-extra {
    max-height: none;
    opacity: 1;
    padding-top: 12px;
    border-top-color: var(--hair);
  }
}
<<<END>>>