.page-privacy {
  --priv-doc-bg: rgba(13, 20, 32, 0.74);
  --priv-hair: rgba(143, 233, 255, 0.14);
  --priv-rail: rgba(46, 230, 214, 0.55);
  position: relative;
  overflow-x: hidden;
  padding-bottom: 56px;
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 420px at 84% -10%, rgba(140, 92, 255, 0.16), transparent 70%),
    radial-gradient(760px 400px at 2% 2%, rgba(46, 230, 214, 0.10), transparent 72%),
    repeating-linear-gradient(90deg, rgba(46, 230, 214, 0.05) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(46, 230, 214, 0.035) 0 1px, transparent 1px 96px);
  color: var(--text);
  font-family: var(--font-sans);
}

.page-privacy .priv-crumb {
  padding-top: 18px;
}

.page-privacy .priv-hero {
  padding-top: 12px;
}

.page-privacy .priv-hero__frame {
  display: grid;
  gap: 22px;
  padding: 24px 18px;
  border: 1px solid var(--line);
  background:
    linear-gradient(158deg, rgba(22, 34, 51, 0.92) 0%, rgba(6, 8, 15, 0.72) 74%);
  box-shadow: inset 0 0 0 1px rgba(6, 8, 15, 0.6);
}

.page-privacy .kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-privacy .priv-hero__title {
  margin: 0 0 16px;
  font-size: 28px;
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-privacy .priv-hero__lead {
  margin: 0 0 20px;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-soft);
}

.page-privacy .priv-hero__meta {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--priv-hair);
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .priv-hero__meta span {
  display: inline-block;
  min-width: 72px;
  margin-right: 8px;
  color: var(--amber);
  letter-spacing: 0.12em;
}

.page-privacy .priv-hero__art {
  position: relative;
  margin: 0;
  border: 1px solid var(--priv-hair);
  background: linear-gradient(180deg, rgba(140, 92, 255, 0.14), rgba(6, 8, 15, 0.9));
}

.page-privacy .priv-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 5 / 7;
  object-fit: cover;
  opacity: 0.92;
}

.page-privacy .priv-hero__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 6px 10px;
  background: var(--paper);
  color: #16110a;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-privacy .priv-layout {
  display: grid;
  gap: 26px;
  padding-top: 34px;
}

.page-privacy .priv-toc {
  border: 1px solid var(--priv-hair);
  background: rgba(13, 20, 32, 0.86);
  padding: 16px 14px;
}

.page-privacy .priv-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--ice);
  text-transform: uppercase;
}

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

.page-privacy .priv-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 8px;
  border-left: 2px solid transparent;
  color: var(--body-soft);
  font-size: 13.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .priv-toc__link span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-privacy .priv-toc__link:hover,
.page-privacy .priv-toc__link:focus-visible {
  color: var(--cyan);
  border-left-color: var(--amber);
  background: rgba(46, 230, 214, 0.07);
}

.page-privacy .priv-toc__top {
  display: inline-block;
  margin-top: 14px;
  padding: 6px 8px;
  border: 1px solid var(--priv-hair);
  color: var(--ice);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.page-privacy .priv-toc__top:hover,
.page-privacy .priv-toc__top:focus-visible {
  border-color: var(--amber);
  color: var(--amber);
}

.page-privacy .priv-doc {
  min-width: 0;
  border: 1px solid var(--line);
  background: linear-gradient(178deg, var(--priv-doc-bg), rgba(6, 8, 15, 0.9));
  padding: 22px 18px 28px;
}

.page-privacy .priv-doc__lead {
  margin: 0 0 26px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--priv-hair);
  font-size: 15px;
  line-height: 1.8;
  color: var(--body-soft);
}

.page-privacy .priv-sec {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 4px 12px;
  padding: 22px 0 6px;
  border-top: 1px solid var(--priv-hair);
  scroll-margin-top: 132px;
}

.page-privacy .priv-sec:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .priv-sec__rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.page-privacy .priv-sec__no {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-privacy .priv-sec__note {
  display: none;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.28em;
  color: rgba(139, 156, 176, 0.75);
}

.page-privacy .priv-sec__title {
  margin: 0 0 14px;
  font-size: 20px;
  line-height: 1.34;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-privacy .priv-sec__body p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--body-soft);
}

.page-privacy .priv-sec__body p:last-child {
  margin-bottom: 4px;
}

.page-privacy .priv-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 230, 214, 0.45);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .priv-inline:hover,
.page-privacy .priv-inline:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--amber);
}

.page-privacy .priv-mail {
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--ice);
  font-weight: 600;
  word-break: break-all;
}

.page-privacy .ptag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 5px 11px;
  transform: rotate(-1.4deg);
  background: var(--paper);
  color: #16110a;
  border: 1px solid rgba(0, 0, 0, 0.28);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.4);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}

.page-privacy .priv-pair {
  display: grid;
  gap: 12px;
  margin: 6px 0 18px;
}

.page-privacy .priv-card {
  border: 1px solid var(--priv-hair);
  border-left: 2px solid var(--violet);
  background: rgba(22, 34, 51, 0.62);
  padding: 14px 15px;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .priv-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--cyan);
}

.page-privacy .priv-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--amber);
}

.page-privacy .priv-card__list {
  margin: 10px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-privacy .priv-card__list li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--body-soft);
}

.page-privacy .priv-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  opacity: 0.8;
}

.page-privacy .priv-keep {
  display: grid;
  gap: 10px;
  margin: 4px 0 8px;
  padding: 0;
  list-style: none;
}

.page-privacy .priv-keep li {
  padding: 10px 12px;
  border: 1px dashed var(--priv-hair);
  background: rgba(6, 8, 15, 0.5);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--body-soft);
}

.page-privacy .priv-keep__k {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 8px;
  background: rgba(46, 230, 214, 0.12);
  border: 1px solid rgba(46, 230, 214, 0.3);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .priv-note-line {
  padding-top: 6px;
  border-top: 1px solid var(--priv-hair);
  color: var(--muted) !important;
  font-size: 13.5px !important;
}

.page-privacy .priv-term {
  position: relative;
  display: inline-block;
  color: var(--ice);
  border-bottom: 1px dashed rgba(46, 230, 214, 0.55);
  cursor: help;
  outline-offset: 3px;
}

.page-privacy .priv-term:focus-visible {
  outline: 2px solid var(--amber);
}

.page-privacy .priv-term__tip {
  position: absolute;
  left: 0;
  top: calc(100% + 8px);
  z-index: 6;
  width: max-content;
  max-width: min(280px, 70vw);
  padding: 10px 12px;
  background: var(--hull);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.5);
  color: var(--body-soft);
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-style: normal;
  line-height: 1.65;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 180ms var(--ease), transform 180ms var(--ease), visibility 180ms;
}

.page-privacy .priv-term:hover .priv-term__tip,
.page-privacy .priv-term:focus .priv-term__tip,
.page-privacy .priv-term:focus-within .priv-term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-privacy .priv-end {
  margin-top: 26px;
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--amber);
  background: linear-gradient(150deg, rgba(22, 34, 51, 0.85), rgba(6, 8, 15, 0.85));
}

.page-privacy .priv-end__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-privacy .priv-end__text {
  margin: 0 0 16px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--body-soft);
}

.page-privacy .priv-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

.page-privacy .priv-end__actions .btn {
  text-decoration: none;
}

.page-privacy .priv-end__actions .btn:focus-visible,
.page-privacy .priv-toc__link:focus-visible,
.page-privacy .priv-toc__top:focus-visible,
.page-privacy .priv-inline:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

@media (min-width: 720px) {
  .page-privacy .priv-hero__frame {
    padding: 34px 30px;
    gap: 26px;
  }

  .page-privacy .priv-hero__title {
    font-size: 38px;
  }

  .page-privacy .priv-hero__lead {
    font-size: 16px;
  }

  .page-privacy .priv-hero__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 20px;
  }

  .page-privacy .priv-doc {
    padding: 30px 28px 34px;
  }

  .page-privacy .priv-sec {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 4px 18px;
    padding: 26px 0 8px;
  }

  .page-privacy .priv-sec__no {
    font-size: 19px;
  }

  .page-privacy .priv-sec__title {
    font-size: 24px;
  }

  .page-privacy .priv-sec__body p {
    font-size: 15.5px;
  }

  .page-privacy .priv-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-privacy .priv-keep {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
  }

  .page-privacy .priv-keep li {
    font-size: 13px;
  }

  .page-privacy .priv-end {
    padding: 22px 24px;
  }
}

@media (min-width: 1024px) {
  .page-privacy {
    padding-bottom: 72px;
  }

  .page-privacy .priv-hero__frame {
    grid-template-columns: minmax(0, 1fr) 268px;
    align-items: stretch;
    padding: 40px 38px;
  }

  .page-privacy .priv-hero__title {
    font-size: 44px;
    letter-spacing: 0.005em;
  }

  .page-privacy .priv-hero__art img {
    height: 100%;
    aspect-ratio: auto;
  }

  .page-privacy .priv-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
    padding-top: 44px;
  }

  .page-privacy .priv-toc {
    position: sticky;
    top: 128px;
  }

  .page-privacy .priv-doc {
    padding: 38px 44px 44px;
  }

  .page-privacy .priv-sec {
    grid-template-columns: 62px minmax(0, 1fr);
    gap: 6px 26px;
    padding: 30px 0 10px;
  }

  .page-privacy .priv-sec__note {
    display: block;
    margin-top: 6px;
  }

  .page-privacy .priv-sec__no {
    font-size: 22px;
  }

  .page-privacy .priv-sec__body p {
    max-width: 68ch;
  }

  .page-privacy .priv-doc__lead {
    max-width: 68ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-card,
  .page-privacy .priv-term__tip,
  .page-privacy .priv-toc__link,
  .page-privacy .priv-inline {
    transition: none;
  }

  .page-privacy .priv-card:hover {
    transform: none;
  }
}

从 <main id="main-content" class="page-privacy"> 开始，到 </main> 结束

当前页面专属 CSS，页面专属选择器全部限定在 .page-privacy 作用域内