.page-privacy {
  --doc-w: 720px;
  padding-bottom: clamp(64px, 9vw, 120px);
  color: var(--star);
  font-family: var(--f-body);
  background:
    radial-gradient(1000px 520px at 78% -6%, rgba(79, 227, 208, 0.07), transparent 62%),
    radial-gradient(760px 460px at 10% 6%, rgba(42, 31, 74, 0.5), transparent 66%);
}

/* 面包屑 */
.page-privacy .privacy-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: clamp(22px, 4vw, 42px);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--node);
}

.page-privacy .privacy-crumb a {
  color: var(--haze);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

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

.page-privacy .privacy-crumb > span:last-child {
  color: var(--star);
}

/* 首屏 */
.page-privacy .privacy-intro {
  max-width: 860px;
  padding-top: clamp(26px, 5vw, 52px);
}

.page-privacy .privacy-intro .spec-label {
  display: block;
  margin-bottom: 18px;
  color: var(--cyan);
}

.page-privacy .privacy-intro h1 {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(27px, 4.4vw, 50px);
  font-weight: 600;
  line-height: 1.26;
  letter-spacing: 0.03em;
  color: var(--star);
}

.page-privacy .privacy-intro h1::after {
  content: "";
  display: block;
  width: 72px;
  height: 2px;
  margin-top: 24px;
  background: linear-gradient(90deg, var(--cyan), rgba(79, 227, 208, 0));
}

.page-privacy .privacy-intro__lede {
  max-width: 34em;
  margin: 22px 0 0;
  font-size: 17px;
  line-height: 1.8;
  color: var(--haze);
}

/* 顶部通栏图 */
.page-privacy .privacy-hero {
  position: relative;
  margin: clamp(30px, 5vw, 54px) 0 0;
}

.page-privacy .privacy-hero img {
  display: block;
  width: 100%;
  height: clamp(170px, 32vh, 340px);
  object-fit: cover;
  object-position: center;
  filter: saturate(0.92);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(79, 227, 208, 0), var(--cyan), rgba(79, 227, 208, 0));
  opacity: 0.5;
}

.page-privacy .privacy-hero figcaption {
  padding: 12px var(--pad) 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--node);
}

/* 布局：左刻度 + 窄栏长文 */
.page-privacy .doc-layout {
  padding-top: clamp(34px, 6vw, 62px);
}

.page-privacy .doc-rail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 10px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

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

.page-privacy .rail-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid var(--orbit);
  border-radius: 999px;
  color: var(--haze);
  font-size: 13px;
  text-decoration: none;
  white-space: nowrap;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-privacy .rail-link__num {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--gold);
}

.page-privacy .rail-link:hover,
.page-privacy .rail-link:focus-visible {
  border-color: var(--cyan);
  color: var(--star);
  background-color: rgba(79, 227, 208, 0.06);
}

.page-privacy .doc-body {
  max-width: var(--doc-w);
  margin-top: 26px;
}

/* 章节 */
.page-privacy .doc-section {
  padding-top: clamp(38px, 6vw, 64px);
  scroll-margin-top: calc(var(--head-h) + var(--strip-h) + 24px);
}

.page-privacy .doc-section:first-child {
  padding-top: 0;
}

.page-privacy .section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .section-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-privacy .doc-section h2 {
  margin: 0;
  font-family: var(--f-display);
  font-size: clamp(22px, 3.1vw, 31px);
  font-weight: 600;
  line-height: 1.36;
  letter-spacing: 0.02em;
  color: var(--star);
}

.page-privacy .doc-section:target .section-num {
  color: var(--cyan);
}

.page-privacy .doc-body p {
  max-width: 34em;
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--haze);
}

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

/* 三类信息 */
.page-privacy .record-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .record {
  padding: 16px 18px 16px 20px;
  border-left: 2px solid var(--gold);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: linear-gradient(105deg, rgba(42, 31, 74, 0.62), rgba(14, 23, 48, 0.28));
}

.page-privacy .record h3 {
  margin: 0 0 8px;
  font-family: var(--f-body);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--star);
}

.page-privacy .record p {
  max-width: none;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--haze);
}

/* 用途列表 */
.page-privacy .use-list {
  counter-reset: use;
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-privacy .use-list li {
  counter-increment: use;
  position: relative;
  padding-left: 44px;
}

.page-privacy .use-list li::before {
  content: counter(use, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(79, 227, 208, 0.38);
  border-radius: 50%;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--cyan);
}

.page-privacy .use-list strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--star);
}

.page-privacy .use-list p {
  max-width: none;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
}

/* 提示块 */
.page-privacy .callout {
  max-width: none;
  margin: 28px 0 0;
  padding: 18px 20px;
  border: 1px solid var(--orbit);
  border-left: 2px solid var(--cyan);
  border-radius: var(--radius);
  background: rgba(14, 23, 48, 0.62);
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

/* 留存行 */
.page-privacy .retain-list {
  margin: 26px 0 22px;
  padding: 0;
  border-top: 1px solid var(--orbit);
}

.page-privacy .retain-row {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--orbit);
}

.page-privacy .retain-row dt {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .retain-row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--haze);
}

/* 折叠条目 */
.page-privacy .term-note {
  margin-top: 12px;
  border: 1px solid var(--orbit);
  border-radius: var(--radius);
  background: rgba(14, 23, 48, 0.5);
  overflow: hidden;
}

.page-privacy .term-note summary {
  position: relative;
  padding: 15px 48px 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--star);
  transition: color 0.2s ease;
}

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

.page-privacy .term-note summary:hover {
  color: var(--cyan);
}

.page-privacy .term-note summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--f-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 0.25s ease;
}

.page-privacy .term-note[open] summary::after {
  transform: translateY(-50%) rotate(135deg);
}

.page-privacy .term-note p {
  max-width: none;
  margin: 0;
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

.page-privacy .mail {
  font-family: var(--f-mono);
  font-size: 0.94em;
  letter-spacing: 0.01em;
  color: var(--gold);
  word-break: break-all;
}

/* 后续入口 */
.page-privacy .next-stops {
  margin-top: clamp(46px, 8vw, 82px);
  padding-top: clamp(24px, 4vw, 38px);
  border-top: 1px solid var(--orbit);
}

.page-privacy .next-stops__title {
  margin: 0 0 16px;
  font-family: var(--f-display);
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--star);
}

.page-privacy .next-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .next-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 2px;
  border-bottom: 1px dashed var(--orbit);
  color: var(--haze);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.6;
  transition: color 0.2s ease;
}

.page-privacy .next-list a::after {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--f-mono);
  font-size: 14px;
  color: var(--cyan);
  transition: transform 0.2s ease;
}

.page-privacy .next-list a:hover,
.page-privacy .next-list a:focus-visible {
  color: var(--star);
}

.page-privacy .next-list a:hover::after,
.page-privacy .next-list a:focus-visible::after {
  transform: translateX(4px);
}

/* 桌面：竖排刻度 */
@media (min-width: 960px) {
  .page-privacy .doc-layout {
    display: grid;
    grid-template-columns: 148px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 62px);
    align-items: start;
  }

  .page-privacy .doc-rail {
    position: sticky;
    top: calc(var(--head-h) + var(--strip-h) + 28px);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-left: 1px solid var(--orbit);
  }

  .page-privacy .rail-link {
    position: relative;
    border: 0;
    border-radius: 0;
    padding: 11px 0 11px 18px;
    white-space: normal;
    background: none;
    transition: color 0.2s ease;
  }

  .page-privacy .rail-link::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 50%;
    width: 1px;
    height: 0;
    background: var(--cyan);
    transform: translateY(-50%);
    transition: height 0.32s ease;
  }

  .page-privacy .rail-link:hover,
  .page-privacy .rail-link:focus-visible {
    background: none;
  }

  .page-privacy .rail-link:hover::before,
  .page-privacy .rail-link:focus-visible::before {
    height: 58%;
  }

  .page-privacy .doc-body {
    margin-top: 0;
  }
}

@media (min-width: 720px) {
  .page-privacy .retain-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .rail-link,
  .page-privacy .rail-link::before,
  .page-privacy .term-note summary,
  .page-privacy .term-note summary::after,
  .page-privacy .next-list a,
  .page-privacy .next-list a::after,
  .page-privacy .privacy-crumb a {
    transition: none;
  }
}
<<<END>>>