.page-privacy {
  --p-block: clamp(1.6rem, 4vw, 2.6rem);
  position: relative;
  overflow-x: clip;
  padding-bottom: clamp(2.5rem, 7vw, 4.5rem);
}

.page-privacy .privacy-anchor {
  display: block;
  height: 0;
  overflow: hidden;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  padding-top: clamp(1.6rem, 5vw, 3rem);
  padding-bottom: clamp(1.2rem, 3.5vw, 2rem);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: -14% -12% auto -12%;
  height: min(560px, 90vw);
  background:
    radial-gradient(58% 58% at 20% 18%, rgba(56, 242, 224, .16), transparent 72%),
    radial-gradient(46% 46% at 84% 4%, rgba(255, 90, 54, .13), transparent 74%);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-hero > .site-shell {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero h1 {
  margin: .55rem 0 1rem;
  font-size: clamp(2.3rem, 7vw, 4.4rem);
  font-weight: 300;
  line-height: 1.06;
  letter-spacing: -.025em;
}

.page-privacy .privacy-lede {
  max-width: 64ch;
  margin: 0;
  color: var(--ink-mute);
  font-size: clamp(1rem, 2.4vw, 1.1rem);
  line-height: 1.85;
}

/* 摘要卡 */
.page-privacy .privacy-summary {
  position: relative;
  margin-top: clamp(1.5rem, 4vw, 2.4rem);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-xl);
  background: var(--panel);
  box-shadow: var(--shadow-panel);
  overflow: hidden;
}

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

.page-privacy .privacy-summary__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  max-width: 100%;
}

.page-privacy .privacy-summary__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(5, 13, 23, .5), rgba(5, 13, 23, .92) 62%);
}

.page-privacy .privacy-summary__body {
  position: relative;
  z-index: 1;
  padding: clamp(1.2rem, 4vw, 2.3rem);
}

.page-privacy .privacy-summary__label {
  margin: 0 0 1rem;
  color: var(--cyan);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.page-privacy .privacy-summary__grid {
  display: grid;
  gap: .9rem;
  grid-template-columns: minmax(0, 1fr);
}

.page-privacy .privacy-fact {
  padding: .9rem 1rem .95rem;
  border-radius: var(--radius-md);
  border-left: 2px solid var(--line-hard);
  background: rgba(16, 43, 66, .42);
}

.page-privacy .privacy-fact__label {
  margin: 0 0 .35rem;
  color: var(--cyan-soft);
  font-size: .72rem;
  letter-spacing: .08em;
}

.page-privacy .privacy-fact__text {
  margin: 0;
  color: var(--ink);
  font-size: .92rem;
  line-height: 1.7;
}

/* 布局 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.2rem, 4vw, 3rem);
  margin-top: clamp(1.4rem, 4vw, 2.4rem);
}

/* 移动端胶囊索引 */
.page-privacy .privacy-toc--mobile {
  position: sticky;
  top: calc(var(--header-h) + .35rem);
  z-index: 20;
  display: flex;
  gap: .45rem;
  overflow-x: auto;
  padding: .55rem 0 .7rem;
  scrollbar-width: none;
  background: linear-gradient(180deg, rgba(5, 13, 23, .96), rgba(5, 13, 23, .78) 68%, rgba(5, 13, 23, 0));
}

.page-privacy .privacy-toc--mobile::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-toc__link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  padding: .42rem .85rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--capsule);
  background: var(--archive);
  color: var(--ink-mute);
  font-size: .8rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-privacy .privacy-toc__link .mono {
  color: var(--cyan);
  font-size: .7rem;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--cyan-soft);
  border-color: var(--line-hard);
}

/* 桌面侧栏 */
.page-privacy .privacy-rail {
  display: none;
}

.page-privacy .privacy-rail__label {
  margin: 0;
  color: var(--cyan);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.page-privacy .privacy-rail__list {
  display: grid;
  gap: .1rem;
  margin: .9rem 0 1.3rem;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-rail__link {
  display: block;
  padding: .5rem .2rem .5rem .85rem;
  border-left: 1px solid var(--line-soft);
  color: var(--ink-mute);
  font-size: .88rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--cyan-soft);
  border-left-color: var(--cyan);
}

.page-privacy .privacy-rail__meta {
  margin: 0;
  color: var(--ink-mute);
  font-size: .72rem;
  line-height: 1.9;
  letter-spacing: .04em;
}

/* 长文章节 */
.page-privacy .privacy-doc {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.4rem);
  min-width: 0;
  max-width: 76ch;
}

.page-privacy .privacy-sec {
  scroll-margin-top: calc(var(--header-h) + 4.6rem);
  animation: none;
}

.page-privacy .privacy-sec + .privacy-sec {
  padding-top: clamp(1.4rem, 3.5vw, 2rem);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  margin-bottom: .9rem;
}

.page-privacy .privacy-sec__num {
  color: var(--cyan);
  font-size: .78rem;
  letter-spacing: .12em;
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-size: clamp(1.22rem, 3.4vw, 1.55rem);
  font-weight: 500;
  letter-spacing: -.01em;
  line-height: 1.35;
}

.page-privacy .privacy-sec p {
  margin: 0 0 .95rem;
  color: var(--ink-mute);
  font-size: .97rem;
  line-height: 1.85;
}

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

.page-privacy .privacy-list {
  display: grid;
  gap: .7rem;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.1rem;
  color: var(--ink-mute);
  font-size: .95rem;
  line-height: 1.8;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 5px;
  height: 5px;
  border-radius: 2px;
  background: var(--cyan);
  opacity: .85;
}

.page-privacy .privacy-list strong {
  color: var(--ink);
  font-weight: 500;
}

/* 联系卡 */
.page-privacy .privacy-contact {
  display: grid;
  gap: .65rem;
  margin-top: 1.2rem;
  padding: clamp(1.1rem, 3.5vw, 1.7rem);
  border: 1px solid var(--line-hard);
  border-radius: var(--radius-lg);
  background: linear-gradient(142deg, rgba(16, 43, 66, .82), rgba(10, 27, 43, .78));
}

.page-privacy .privacy-contact__label {
  margin: 0;
  color: var(--action-soft);
  font-size: .7rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.page-privacy .privacy-contact__mail {
  color: var(--cyan-soft);
  font-family: var(--font-mono);
  font-size: clamp(.94rem, 2.8vw, 1.12rem);
  line-height: 1.5;
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid rgba(56, 242, 224, .28);
  justify-self: start;
  padding-bottom: .15rem;
}

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

.page-privacy .privacy-contact__note,
.page-privacy .privacy-contact__links {
  margin: 0;
  color: var(--ink-mute);
  font-size: .9rem;
  line-height: 1.8;
}

.page-privacy .privacy-contact__links a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, .3);
}

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

/* 更新记录 */
.page-privacy .privacy-versions {
  display: grid;
  gap: .7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-version {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .35rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--panel);
}

.page-privacy .privacy-version__tag {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  line-height: 1.6;
}

.page-privacy .privacy-version p {
  margin: 0;
  color: var(--ink-mute);
  font-size: .93rem;
  line-height: 1.75;
}

/* 页尾条 */
.page-privacy .privacy-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-foot__meta {
  margin: 0;
  color: var(--ink-mute);
  font-size: .72rem;
  letter-spacing: .06em;
}

.page-privacy .privacy-backtop {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1.05rem;
  border: 1px solid var(--line-hard);
  border-radius: var(--capsule);
  color: var(--cyan-soft);
  font-size: .85rem;
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  background: rgba(56, 242, 224, .12);
  color: var(--ink);
}

/* 窄屏增强 */
@media (min-width: 640px) {
  .page-privacy .privacy-summary__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-version {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    gap: .3rem 1rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-hero {
    padding-top: clamp(2rem, 4vw, 3.2rem);
  }

  .page-privacy .privacy-summary__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .privacy-toc--mobile {
    display: none;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 1.8rem);
  }

  .page-privacy .privacy-doc {
    padding-left: clamp(.5rem, 2vw, 1.6rem);
    border-left: 1px solid rgba(27, 74, 99, .28);
  }
}

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