.page-privacy {
  --pv-body-text: #C9D3E0;
  --pv-rail-w: 15rem;
  display: block;
  background: var(--ink);
  color: var(--white);
}

/* 面包屑 */
.page-privacy .pv-top { position: relative; }
.page-privacy .pv-crumbs { padding-top: 1.1rem; }
.page-privacy .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--steel);
}
.page-privacy .crumbs a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}
.page-privacy .crumbs a:hover,
.page-privacy .crumbs a:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}
.page-privacy .crumbs [aria-current="page"] { color: var(--white); }
.page-privacy .crumbs__sep { color: var(--line); }

/* 页首 */
.page-privacy .pv-hero {
  position: relative;
  padding: 1.6rem 0 2.6rem;
  overflow: hidden;
}
.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 150%;
  pointer-events: none;
  background:
    radial-gradient(48% 52% at 84% 6%, rgba(0, 229, 255, .20), transparent 72%),
    repeating-linear-gradient(90deg, rgba(30, 42, 56, .55) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(30, 42, 56, .40) 0 1px, transparent 1px 64px);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 88%);
}
.page-privacy .pv-hero__grid {
  position: relative;
  display: grid;
  gap: 1.8rem;
}
.page-privacy .pv-hero__eyebrow {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .26em;
  color: var(--cyan);
}
.page-privacy .pv-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 900;
  font-size: clamp(2.9rem, 12vw, 5rem);
  line-height: .92;
  letter-spacing: -.01em;
  color: var(--white);
}
.page-privacy .pv-hero__title::after {
  content: "";
  display: block;
  width: 4.6rem;
  height: 6px;
  margin-top: 1rem;
  background: var(--cyan);
  box-shadow: 0 0 22px rgba(0, 229, 255, .55);
}
.page-privacy .pv-hero__lede {
  margin: 1.3rem 0 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pv-body-text);
}
.page-privacy .pv-hero__meta {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  margin: 1.3rem 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--steel);
}
.page-privacy .pv-hero__meta li {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
  line-height: 1.6;
}
.page-privacy .pv-hero__meta li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: .5rem;
  border-radius: 50%;
  background: var(--cyan);
}
.page-privacy .pv-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 30px 70px -40px rgba(0, 229, 255, .45);
}
.page-privacy .pv-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.page-privacy .pv-hero__cap {
  padding: .6rem .9rem;
  border-top: 1px solid var(--line);
  font-size: .66rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--steel);
}

/* 主体两栏 */
.page-privacy .pv-body {
  display: grid;
  gap: 1.6rem;
  padding-bottom: 4.5rem;
}

/* 章节索引 */
.page-privacy .pv-rail {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  padding: 1rem;
}
.page-privacy .pv-rail__label {
  margin: 0 0 .7rem;
  font-size: .66rem;
  letter-spacing: .26em;
  color: var(--steel);
}
.page-privacy .pv-rail__list {
  display: flex;
  gap: .45rem;
  margin: 0;
  padding: 0 0 .25rem;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-privacy .pv-rail__list::-webkit-scrollbar { display: none; }
.page-privacy .pv-rail__link {
  display: flex;
  align-items: center;
  gap: .5rem;
  white-space: nowrap;
  padding: .45rem .75rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--steel);
  font-size: .8rem;
  text-decoration: none;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease), background var(--fast) var(--ease);
}
.page-privacy .pv-rail__link:hover,
.page-privacy .pv-rail__link:focus-visible {
  color: var(--white);
  border-color: var(--cyan-soft);
}
.page-privacy .pv-rail__link[aria-current="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}
.page-privacy .pv-rail__num { font-size: .68rem; letter-spacing: .06em; opacity: .85; }
.page-privacy .pv-rail__note {
  margin: .9rem 0 0;
  font-size: .74rem;
  line-height: 1.65;
  color: var(--steel);
}
.page-privacy .pv-rail__top {
  display: inline-block;
  margin-top: .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}
.page-privacy .pv-rail__top:hover,
.page-privacy .pv-rail__top:focus-visible { color: var(--white); }

/* 正文长栏 */
.page-privacy .pv-sec {
  padding: 1.7rem 0 2.2rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 6.5rem;
}
.page-privacy .pv-sec:first-child { border-top: 0; padding-top: .3rem; }
.page-privacy .pv-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .8rem;
  align-items: baseline;
  margin-bottom: .9rem;
}
.page-privacy .pv-sec__num {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--cyan);
}
.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 800;
  font-size: clamp(1.3rem, 5.2vw, 1.85rem);
  line-height: 1.2;
  color: var(--white);
}
.page-privacy .pv-sec__lead {
  margin: 0 0 1.1rem;
  max-width: 36em;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--pv-body-text);
}
.page-privacy .pv-sec p {
  max-width: 36em;
  margin: 0 0 .9rem;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--pv-body-text);
}
.page-privacy .pv-inline-link {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 247, 255, .45);
}
.page-privacy .pv-inline-link:hover,
.page-privacy .pv-inline-link:focus-visible {
  color: var(--white);
  border-bottom-color: var(--white);
}

/* 信息条目 */
.page-privacy .pv-rows { display: grid; margin: .4rem 0 1.2rem; }
.page-privacy .pv-row {
  display: grid;
  gap: .3rem;
  padding: .85rem 0;
  border-bottom: 1px dashed var(--line);
}
.page-privacy .pv-row:first-child { border-top: 1px dashed var(--line); }
.page-privacy .pv-row__key {
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--cyan);
}
.page-privacy .pv-row__val {
  margin: 0 !important;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--pv-body-text);
}

/* 处理目的 */
.page-privacy .pv-purposes {
  display: grid;
  gap: .8rem;
  margin: .4rem 0 0;
}
.page-privacy .pv-purpose {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--cyan);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, rgba(0, 229, 255, .07), rgba(17, 24, 35, .9) 55%);
}
.page-privacy .pv-purpose__num {
  display: block;
  font-size: .7rem;
  letter-spacing: .2em;
  color: var(--cyan-soft);
}
.page-privacy .pv-purpose__title {
  margin: .35rem 0 .4rem;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--white);
}
.page-privacy .pv-purpose__text {
  margin: 0 !important;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--pv-body-text);
}

/* 双栏说明 */
.page-privacy .pv-split {
  display: grid;
  gap: 1rem;
  margin: .4rem 0 1.1rem;
}
.page-privacy .pv-split__col {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
}
.page-privacy .pv-split__title {
  margin: 0 0 .6rem;
  font-size: .95rem;
  font-weight: 700;
  color: var(--white);
}
.page-privacy .pv-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .5rem;
}
.page-privacy .pv-list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .87rem;
  line-height: 1.75;
  color: var(--pv-body-text);
}
.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62rem;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

/* 权利清单 */
.page-privacy .pv-rights {
  display: grid;
  gap: .2rem;
  margin: .3rem 0 1.2rem;
  padding: 0;
  list-style: none;
  counter-reset: none;
}
.page-privacy .pv-right {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .2rem .8rem;
  padding: .9rem 0;
  border-bottom: 1px solid var(--line);
}
.page-privacy .pv-right:first-child { border-top: 1px solid var(--line); }
.page-privacy .pv-right__num {
  grid-row: span 2;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: .18rem;
}
.page-privacy .pv-right__title {
  margin: 0;
  font-size: .98rem;
  font-weight: 700;
  color: var(--white);
}
.page-privacy .pv-right__text {
  margin: 0 !important;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--pv-body-text);
}

/* 提醒块 */
.page-privacy .pv-callout {
  display: grid;
  gap: .4rem;
  padding: .95rem 1.1rem;
  border: 1px solid rgba(255, 107, 26, .45);
  border-left: 3px solid var(--orange);
  border-radius: var(--r-md);
  background: rgba(255, 107, 26, .07);
}
.page-privacy .pv-callout__tag {
  font-size: .66rem;
  letter-spacing: .22em;
  color: var(--orange);
}
.page-privacy .pv-callout p {
  margin: 0 !important;
  font-size: .88rem;
  line-height: 1.8;
  color: var(--pv-body-text);
}

/* 联系方式 */
.page-privacy .pv-contact {
  display: grid;
  gap: .1rem;
  margin: .4rem 0 1.2rem;
  padding: .3rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
}
.page-privacy .pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .45rem .9rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line);
}
.page-privacy .pv-contact__row:last-child { border-bottom: 0; }
.page-privacy .pv-contact__key {
  flex: 0 0 auto;
  min-width: 4.5rem;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--steel);
}
.page-privacy .pv-contact__val {
  flex: 1 1 12rem;
  min-width: 0;
  font-size: .92rem;
  line-height: 1.7;
  color: var(--white);
  overflow-wrap: anywhere;
}
.page-privacy .pv-contact__copy {
  flex: 0 0 auto;
  padding: .38rem .8rem;
  border: 1px solid var(--cyan);
  border-radius: 999px;
  background: transparent;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease);
}
.page-privacy .pv-contact__copy:hover,
.page-privacy .pv-contact__copy:focus-visible {
  background: var(--cyan);
  color: var(--ink);
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}
.page-privacy .pv-contact__copy[data-copied] {
  border-color: var(--cyan-soft);
  color: var(--cyan-soft);
}

/* 中等屏幕 */
@media (min-width: 620px) {
  .page-privacy .pv-purposes { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-privacy .pv-split { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-privacy .pv-hero__meta { flex-direction: row; gap: .5rem 1.6rem; }
  .page-privacy .pv-row { grid-template-columns: 8.5rem minmax(0, 1fr); gap: .2rem 1.1rem; align-items: baseline; }
}

/* 桌面：左侧固定索引 + 右侧正文 */
@media (min-width: 900px) {
  .page-privacy .pv-hero { padding: 2.2rem 0 3.2rem; }
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 2.8rem;
  }
  .page-privacy .pv-body {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    gap: 3.4rem;
    align-items: start;
  }
  .page-privacy .pv-rail {
    position: sticky;
    top: 7.2rem;
    padding: 1.15rem 1rem;
  }
  .page-privacy .pv-rail__list {
    flex-direction: column;
    gap: .1rem;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-privacy .pv-rail__link {
    white-space: normal;
    padding: .5rem .65rem;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    font-size: .82rem;
    line-height: 1.4;
  }
  .page-privacy .pv-rail__link:hover,
  .page-privacy .pv-rail__link:focus-visible { border-left-color: var(--cyan-soft); }
  .page-privacy .pv-rail__link[aria-current="true"] {
    background: linear-gradient(90deg, rgba(0, 229, 255, .16), transparent 85%);
    color: var(--cyan);
    border-left-color: var(--cyan);
  }
  .page-privacy .pv-sec { padding: 2.1rem 0 2.6rem; }
}

@media (min-width: 1080px) {
  .page-privacy .pv-doc { padding-right: 2rem; }
}

/* 减弱动效 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail__link,
  .page-privacy .pv-contact__copy,
  .page-privacy .crumbs a { transition: none; }
  .page-privacy .pv-hero__title::after { box-shadow: none; }
}

/* 打印 */
@media print {
  .page-privacy { background: #fff; color: #111; }
  .page-privacy .pv-rail,
  .page-privacy .pv-hero::before { display: none; }
  .page-privacy .pv-sec,
  .page-privacy .pv-purpose,
  .page-privacy .pv-split__col,
  .page-privacy .pv-contact { border-color: #bbb; background: #fff; }
  .page-privacy .pv-sec__title,
  .page-privacy .pv-hero__title,
  .page-privacy .pv-purpose__title,
  .page-privacy .pv-right__title,
  .page-privacy .pv-split__title,
  .page-privacy .pv-contact__val { color: #111; }
  .page-privacy .pv-sec p,
  .page-privacy .pv-sec__lead,
  .page-privacy .pv-row__val,
  .page-privacy .pv-list li,
  .page-privacy .pv-right__text,
  .page-privacy .pv-purpose__text,
  .page-privacy .pv-callout p,
  .page-privacy .pv-hero__lede { color: #222; }
}
<<<END>>>