.page-privacy {
  --privacy-body: #C3CED9;
  --privacy-rail: 236px;
  --privacy-focus: 0 0 0 2px rgba(47, 224, 210, .55);
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumb {
  padding-top: clamp(16px, 2.6vw, 26px);
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  margin-top: clamp(10px, 2vw, 18px);
  border-block: 1px solid var(--hairline);
  overflow: hidden;
  background:
    radial-gradient(130% 120% at 92% -10%, rgba(47, 224, 210, .16), transparent 58%),
    radial-gradient(90% 120% at -6% 112%, rgba(58, 16, 36, .85), transparent 62%),
    linear-gradient(180deg, #08101E 0%, var(--ink-navy) 100%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .32;
  background-image:
    linear-gradient(rgba(38, 49, 61, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(38, 49, 61, .55) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 80%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(22px, 3vw, 34px);
  padding-block: clamp(30px, 5vw, 58px) clamp(24px, 4vw, 42px);
}

.page-privacy .privacy-hero__text {
  max-width: 780px;
}

.page-privacy .privacy-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-size: clamp(26px, 4.4vw, 46px);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: .01em;
  color: var(--cool-white);
  text-wrap: balance;
}

.page-privacy .privacy-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.55vw, 17px);
  line-height: 1.85;
  color: var(--privacy-body);
}

.page-privacy .privacy-hero__meta {
  margin: 18px 0 0;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-privacy .privacy-hero__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--signal-cyan);
  box-shadow: 0 0 0 4px rgba(47, 224, 210, .16);
  flex: none;
}

.page-privacy .privacy-hero__meta-sep {
  color: var(--hairline);
}

.page-privacy .privacy-hero__media {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--charcoal);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: clamp(160px, 22vw, 280px);
  object-fit: cover;
  object-position: center;
}

/* ---------- 主体两栏 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
  padding-block: clamp(32px, 5vw, 62px) clamp(48px, 7vw, 88px);
}

@media (min-width: 1000px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }
}

/* ---------- 左侧章节索引 ---------- */
.page-privacy .privacy-rail {
  min-width: 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--charcoal);
  padding: 16px 16px 18px;
}

@media (min-width: 1000px) {
  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

.page-privacy .privacy-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--privacy-body);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--cool-white);
  background: rgba(47, 224, 210, .08);
  border-left-color: var(--signal-cyan);
  outline: none;
}

.page-privacy .privacy-rail__link:focus-visible {
  box-shadow: var(--privacy-focus);
}

.page-privacy .privacy-rail__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--signal-cyan);
}

.page-privacy .privacy-rail__foot {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

/* ---------- 文档区 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
  max-width: 74ch;
}

.page-privacy .doc-section {
  padding-block: clamp(26px, 3.4vw, 42px);
  border-top: 1px solid var(--hairline);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .doc-section:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .doc-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .doc-section__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--signal-cyan);
}

.page-privacy .doc-section__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 700;
  letter-spacing: .02em;
  line-height: 1.3;
  color: var(--cool-white);
}

.page-privacy .privacy-doc p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--privacy-body);
}

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

.page-privacy .privacy-doc p.doc-lead {
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--signal-cyan);
  font-size: clamp(16px, 1.7vw, 18px);
  font-weight: 600;
  line-height: 1.7;
  color: var(--cool-white);
}

.page-privacy .privacy-doc a {
  color: var(--signal-cyan);
  text-decoration: underline;
  text-decoration-color: rgba(47, 224, 210, .4);
  text-underline-offset: 3px;
}

.page-privacy .privacy-doc a:hover {
  text-decoration-color: var(--signal-cyan);
}

.page-privacy .privacy-doc a:focus-visible {
  outline: none;
  box-shadow: var(--privacy-focus);
  border-radius: 2px;
}

.page-privacy .privacy-doc strong {
  color: var(--cool-white);
  font-weight: 700;
}

.page-privacy .privacy-doc .num {
  font-family: var(--font-mono);
  font-size: 1.06em;
  letter-spacing: .02em;
}

/* 列表 */
.page-privacy .doc-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--privacy-body);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .82em;
  width: 9px;
  height: 1px;
  background: var(--signal-orange);
}

/* 键值行 */
.page-privacy .doc-rows {
  margin: 0 0 16px;
  border-top: 1px solid var(--hairline);
}

.page-privacy .doc-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline);
}

@media (min-width: 660px) {
  .page-privacy .doc-row {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.9fr);
    gap: 22px;
    align-items: baseline;
  }
}

.page-privacy .privacy-doc .doc-row__key {
  margin: 0;
  font-size: 14.5px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--cool-white);
}

.page-privacy .privacy-doc .doc-row__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--privacy-body);
}

/* 折叠条款 */
.page-privacy .doc-fold {
  margin: 18px 0 0;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--charcoal);
}

.page-privacy .doc-fold > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--amber-note);
}

.page-privacy .doc-fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .doc-fold > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--mist);
}

.page-privacy .doc-fold[open] > summary::after {
  content: "–";
}

.page-privacy .doc-fold > summary:focus-visible {
  outline: none;
  box-shadow: var(--privacy-focus);
  border-radius: var(--radius);
}

.page-privacy .doc-fold__body {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--hairline);
}

/* 版本切换 */
.page-privacy .privacy-tabs {
  margin-top: 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: var(--charcoal);
  padding: 16px;
}

.page-privacy .privacy-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-privacy .privacy-tab {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding: 8px 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  background: transparent;
  font-family: inherit;
  font-size: 13.5px;
  letter-spacing: .02em;
  color: var(--mist);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .privacy-tab:hover {
  color: var(--cool-white);
  border-color: var(--mist);
}

.page-privacy .privacy-tab[aria-selected="true"] {
  background: var(--signal-cyan);
  border-color: var(--signal-cyan);
  color: var(--ink-navy);
  font-weight: 700;
}

.page-privacy .privacy-tab:focus-visible {
  outline: none;
  box-shadow: var(--privacy-focus);
}

.page-privacy .privacy-tabpanel {
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
}

/* 页尾版本标记 */
.page-privacy .privacy-version {
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 16px;
  border-top: 1px solid var(--hairline);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--mist);
}

.page-privacy .privacy-version__sep {
  color: var(--hairline);
}

.page-privacy .privacy-version .num {
  color: var(--signal-cyan);
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-tab {
    transition: none;
  }
}
<<<END>>>