.page-privacy {
  --priv-aside-w: 296px;
  --priv-clause-gap: 34px;
  background: var(--abyss);
  color: var(--paper);
  overflow-x: hidden;
}

/* 版本条 */
.page-privacy .privacy-versionbar {
  background: var(--trench);
  border-bottom: 1px solid var(--line);
}
.page-privacy .privacy-versionbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding-top: 12px;
  padding-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.5;
  color: var(--mist);
}
.page-privacy .privacy-versionbar__file {
  color: var(--fluor);
  font-weight: 700;
}
.page-privacy .privacy-versionbar__dot {
  width: 5px;
  height: 5px;
  background: var(--coral);
  border-radius: 50%;
  flex: 0 0 auto;
}
.page-privacy .privacy-versionbar__text {
  flex: 1 1 220px;
  min-width: 0;
}
.page-privacy .privacy-versionbar__badge {
  padding: 3px 10px;
  border: 1px solid var(--line-strong);
  clip-path: polygon(7px 0, 100% 0, 100% 100%, 0 100%, 0 7px);
  color: var(--paper);
  letter-spacing: .16em;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  padding: 22px 0 40px;
  isolation: isolate;
}
.page-privacy .privacy-hero__media {
  position: absolute;
  inset: 0 0 auto 0;
  height: 300px;
  z-index: -2;
  overflow: hidden;
}
.page-privacy .privacy-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.65);
}
.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 300px;
  z-index: -1;
  background:
    repeating-linear-gradient(180deg, rgba(37, 244, 208, .05) 0 1px, transparent 1px 8px),
    linear-gradient(180deg, rgba(4, 24, 28, .55) 0%, rgba(4, 24, 28, .92) 62%, var(--abyss) 100%);
}
.page-privacy .privacy-hero__inner {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.page-privacy .privacy-hero__title {
  margin: 0;
  font-size: clamp(38px, 9vw, 76px);
  line-height: 1.02;
  letter-spacing: -.01em;
  color: var(--paper);
  text-wrap: balance;
}
.page-privacy .privacy-hero__lead {
  max-width: 60ch;
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* 主体双栏 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-bottom: 64px;
}

/* 正文纸面 */
.page-privacy .privacy-doc {
  min-width: 0;
  padding: 26px 20px;
  border: 1px solid var(--line);
  overflow-wrap: break-word;
}
.page-privacy .privacy-clause + .privacy-clause {
  margin-top: var(--priv-clause-gap);
  padding-top: var(--priv-clause-gap);
  border-top: 1px solid var(--line-ink);
}
.page-privacy .privacy-clause__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-size: clamp(20px, 4.4vw, 27px);
  line-height: 1.3;
  color: var(--ink);
}
.page-privacy .privacy-clause__no {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--coral-deep);
  padding-bottom: 2px;
  border-bottom: 2px solid var(--coral-deep);
  flex: 0 0 auto;
}
.page-privacy .privacy-clause p {
  max-width: 68ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}
.page-privacy .privacy-clause p:first-of-type {
  margin-top: 18px;
}
.page-privacy .clause-no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--coral-deep);
  margin-right: 6px;
}
.page-privacy .privacy-clause a {
  color: var(--coral-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(181, 58, 34, .45);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-privacy .privacy-clause a:hover,
.page-privacy .privacy-clause a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* 侧栏 */
.page-privacy .privacy-aside {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}
.page-privacy .privacy-toc {
  background: var(--trench);
  border-top: 2px solid var(--fluor);
  padding: 16px 18px 18px;
}
.page-privacy .privacy-toc__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--fluor);
}
.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
}
.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .18s var(--ease), padding-left .18s var(--ease);
}
.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--fluor);
  padding-left: 5px;
}
.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
  flex: 0 0 auto;
}

.page-privacy .privacy-gloss {
  background: var(--deep);
  border: 1px solid var(--line);
  padding: 16px 18px 18px;
}
.page-privacy .privacy-gloss__title,
.page-privacy .privacy-links__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--mist);
}
.page-privacy .privacy-gloss__list {
  margin: 0;
}
.page-privacy .privacy-gloss__row + .privacy-gloss__row {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.page-privacy .privacy-gloss dt {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--paper);
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-strong);
}
.page-privacy .privacy-gloss dd {
  margin: 7px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .privacy-links {
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
.page-privacy .privacy-links__item {
  display: block;
  padding: 11px 0;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .18s var(--ease);
}
.page-privacy .privacy-links__item::after {
  content: " →";
  font-family: var(--font-mono);
  color: var(--fluor);
}
.page-privacy .privacy-links__item:hover,
.page-privacy .privacy-links__item:focus-visible {
  color: var(--fluor);
}

.page-privacy .privacy-backtop {
  display: inline-block;
  justify-self: start;
  padding: 9px 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  color: var(--fluor);
  border-color: var(--fluor);
}

/* 平板及以上 */
@media (min-width: 768px) {
  .page-privacy .privacy-hero {
    padding: 30px 0 56px;
  }
  .page-privacy .privacy-hero__media,
  .page-privacy .privacy-hero::before {
    height: 340px;
  }
  .page-privacy .privacy-hero__lead {
    font-size: 17px;
  }
  .page-privacy .privacy-doc {
    padding: 44px 48px 52px;
  }
  .page-privacy .privacy-clause p {
    font-size: 17px;
  }
}

/* 桌面双栏 + sticky 索引 */
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) var(--priv-aside-w);
    gap: 48px;
    padding-bottom: 88px;
  }
  .page-privacy .privacy-aside {
    position: sticky;
    top: 104px;
  }
  .page-privacy .privacy-doc {
    padding: 52px 60px 60px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-hero__media img {
    opacity: .22;
    filter: none;
  }
  .page-privacy .privacy-hero::before {
    background:
      linear-gradient(180deg, rgba(4, 24, 28, .7) 0%, rgba(4, 24, 28, .94) 62%, var(--abyss) 100%);
  }
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-links__item,
  .page-privacy .privacy-backtop,
  .page-privacy .privacy-clause a {
    transition: none;
  }
  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    padding-left: 0;
    color: var(--fluor);
  }
}
<<<END>>>