.page-privacy {
  --rail-width: 236px;
  --doc-measure: 40em;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: clamp(36px, 5.5vw, 72px);
  padding-bottom: clamp(28px, 3.4vw, 44px);
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 30px;
}

.page-privacy .privacy-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  align-items: end;
}

.page-privacy .privacy-hero-copy h1 {
  margin: 16px 0 0;
  max-width: 15em;
  font-family: var(--font-display);
  font-size: clamp(1.95rem, 5.1vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper-white);
}

.page-privacy .privacy-hero-copy .lede {
  max-width: 34em;
  margin-top: 22px;
  color: rgba(154, 166, 200, 1);
}

.page-privacy .privacy-signal {
  width: min(260px, 46%);
  height: 6px;
  margin-top: 34px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--signal-cyan) 0 3px,
    transparent 3px 11px,
    var(--signal-cyan) 11px 18px,
    transparent 18px 30px
  );
  opacity: 0.6;
}

.page-privacy .privacy-meta {
  display: grid;
  gap: 0;
  padding: 20px 20px 18px;
}

.page-privacy .privacy-meta-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--hairline);
}

.page-privacy .privacy-meta-row:first-child {
  padding-top: 0;
}

.page-privacy .privacy-meta-row:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .privacy-meta-key {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-mute);
}

.page-privacy .privacy-meta-val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-align: right;
  color: var(--paper-white);
  word-break: break-word;
}

/* ---------- 顶部通栏视觉 ---------- */
.page-privacy .privacy-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
  background: var(--deep-indigo);
}

.page-privacy .privacy-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 32vw, 360px);
  object-fit: cover;
  opacity: 0.8;
}

.page-privacy .privacy-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(7, 10, 24, 0.72) 0%,
    rgba(7, 10, 24, 0.08) 46%,
    rgba(7, 10, 24, 0.88) 100%
  );
}

/* ---------- 正文与索引布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: clamp(44px, 5.5vw, 76px);
  padding-bottom: clamp(56px, 7vw, 96px);
}

.page-privacy .privacy-rail {
  order: -1;
}

.page-privacy .privacy-rail-inner {
  padding: 14px 0;
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}

.page-privacy .privacy-rail-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal-cyan);
}

.page-privacy .privacy-rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-rail-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-rail-list a {
  display: inline-block;
  padding: 7px 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12.5px;
  white-space: nowrap;
  color: var(--slate-mute);
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease),
    background-color 0.2s var(--ease);
}

.page-privacy .privacy-rail-list a:hover {
  color: var(--paper-white);
  border-color: var(--signal-cyan);
}

.page-privacy .privacy-rail-list a[data-active] {
  color: var(--void-indigo);
  background: var(--signal-cyan);
  border-color: var(--signal-cyan);
}

/* ---------- 条款章节 ---------- */
.page-privacy .privacy-chapter {
  padding-top: clamp(32px, 4vw, 46px);
  border-top: 1px solid var(--hairline);
}

.page-privacy .privacy-chapter + .privacy-chapter {
  margin-top: clamp(38px, 4.8vw, 60px);
}

.page-privacy .privacy-chapter-head {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .chapter-index {
  flex: none;
  padding: 3px 9px;
  border: 1px solid rgba(53, 230, 210, 0.36);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--signal-cyan);
}

.page-privacy .privacy-chapter-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.28rem, 2.4vw, 1.7rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--paper-white);
}

.page-privacy .privacy-chapter-body {
  font-size: 16px;
  line-height: 1.85;
}

.page-privacy .privacy-chapter-body > p {
  max-width: var(--doc-measure);
  margin: 0 0 16px;
  color: rgba(242, 245, 255, 0.84);
}

.page-privacy .privacy-chapter-body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-chapter-body a {
  font-family: var(--font-mono);
  font-size: 0.94em;
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 230, 210, 0.45);
  word-break: break-word;
}

.page-privacy .privacy-chapter-body a:hover {
  border-bottom-color: var(--signal-cyan);
}

/* 三类场景编号列表 */
.page-privacy .chapter-list {
  max-width: var(--doc-measure);
  margin: 20px 0 22px;
  padding: 0;
  list-style: none;
  counter-reset: chapter-point;
}

.page-privacy .chapter-list li {
  position: relative;
  padding-left: 44px;
  counter-increment: chapter-point;
  color: rgba(242, 245, 255, 0.84);
}

.page-privacy .chapter-list li + li {
  margin-top: 14px;
}

.page-privacy .chapter-list li::before {
  content: counter(chapter-point, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding-left: 8px;
  border-left: 2px solid var(--neon-violet);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.4;
  color: var(--neon-violet);
}

.page-privacy .chapter-list b {
  color: var(--paper-white);
  font-weight: 700;
}

/* 数据表容器 */
.page-privacy .privacy-table-wrap {
  margin: 22px 0 20px;
  padding: 6px;
  overflow-x: auto;
}

.page-privacy .privacy-table-wrap .data-table {
  width: 100%;
  min-width: 520px;
}

.page-privacy .privacy-table-wrap .data-table caption {
  padding: 8px 12px 12px;
  text-align: left;
  caption-side: top;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-mute);
}

/* 使用目的 */
.page-privacy .purpose-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 22px 0 8px;
  padding: 0;
  list-style: none;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--hairline);
  overflow: hidden;
}

.page-privacy .purpose-grid li {
  padding: 20px 22px 22px;
  background: var(--deep-indigo);
}

.page-privacy .purpose-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--pulse-orange);
}

.page-privacy .purpose-grid h3 {
  margin: 9px 0 7px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--paper-white);
}

.page-privacy .purpose-grid p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(242, 245, 255, 0.76);
}

/* 本地存储提示块 */
.page-privacy .note-panel {
  max-width: var(--doc-measure);
  margin-top: 22px;
  padding: 18px 22px;
  border-left: 2px solid var(--signal-cyan);
}

.page-privacy .note-panel p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(242, 245, 255, 0.82);
}

.page-privacy .note-panel p:last-child {
  margin-bottom: 0;
}

.page-privacy .note-title {
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: 0.14em;
  color: var(--signal-cyan) !important;
}

/* 保留期限 */
.page-privacy .retention-list {
  max-width: var(--doc-measure);
  margin: 22px 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .retention-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--hairline);
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(242, 245, 255, 0.82);
}

.page-privacy .retention-list li:first-child {
  padding-top: 4px;
}

.page-privacy .retention-key {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--pulse-orange);
}

/* 用户权利 */
.page-privacy .rights-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 22px 0 18px;
}

.page-privacy .right-card {
  padding: 20px 22px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: linear-gradient(
    158deg,
    rgba(21, 29, 64, 0.92) 0%,
    rgba(19, 26, 58, 0.62) 100%
  );
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-privacy .right-card:hover {
  border-color: rgba(53, 230, 210, 0.5);
  transform: translateY(-2px);
}

.page-privacy .right-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--signal-cyan);
}

.page-privacy .right-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(242, 245, 255, 0.8);
}

/* 延伸阅读 */
.page-privacy .privacy-next {
  margin-top: clamp(46px, 5.6vw, 72px);
  padding-top: clamp(34px, 4vw, 48px);
  border-top: 1px solid var(--hairline);
}

.page-privacy .next-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 18px;
}

.page-privacy .next-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--deep-indigo);
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper-white);
  transition: border-color 0.24s var(--ease), background-color 0.24s var(--ease);
}

.page-privacy .next-link span {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--slate-mute);
}

.page-privacy .next-link:hover {
  border-color: var(--signal-cyan);
  background: rgba(21, 29, 64, 0.92);
}

/* 返回顶部 */
.page-privacy .privacy-top {
  position: fixed;
  right: 18px;
  bottom: 20px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 13px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: rgba(19, 26, 58, 0.92);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--paper-white);
  text-decoration: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.24s var(--ease), transform 0.24s var(--ease),
    visibility 0.24s var(--ease);
}

.page-privacy .privacy-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-privacy .privacy-top:hover {
  border-color: var(--signal-cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .retention-list li {
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

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

@media (min-width: 800px) {
  .page-privacy .privacy-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
  }

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

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

@media (min-width: 1040px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--rail-width);
    gap: 68px;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-privacy .privacy-rail-inner {
    padding: 0 0 0 18px;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--hairline);
  }

  .page-privacy .privacy-rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail-list a {
    position: relative;
    display: block;
    padding: 7px 0;
    border: 0;
    border-radius: 0;
    background: none;
    white-space: normal;
  }

  .page-privacy .privacy-rail-list a::before {
    content: "";
    position: absolute;
    left: -19px;
    top: 50%;
    width: 2px;
    height: 18px;
    background: var(--signal-cyan);
    transform: translateY(-50%) scaleY(0);
    transition: transform 0.24s var(--ease);
  }

  .page-privacy .privacy-rail-list a:hover {
    color: var(--paper-white);
    background: none;
    border-color: transparent;
  }

  .page-privacy .privacy-rail-list a[data-active] {
    color: var(--paper-white);
    background: none;
    border-color: transparent;
  }

  .page-privacy .privacy-rail-list a[data-active]::before {
    transform: translateY(-50%) scaleY(1);
  }

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

@media (min-width: 1200px) {
  .page-privacy .privacy-visual img {
    height: 400px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-top,
  .page-privacy .right-card,
  .page-privacy .next-link,
  .page-privacy .privacy-rail-list a,
  .page-privacy .privacy-rail-list a::before {
    transition: none;
  }
}
<<<END>>>