.page-privacy {
  --pv-measure: 720px;
}

/* 页头 */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(122, 77, 255, .40), transparent 62%),
    radial-gradient(85% 70% at 92% 6%, rgba(255, 122, 61, .22), transparent 60%),
    var(--ink-navy-deep);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__media {
  position: absolute;
  inset: 0;
}

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .48;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 16, 38, .30) 0%, rgba(11, 16, 38, .82) 68%, var(--ink-navy-deep) 100%);
  pointer-events: none;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  padding: 64px 20px 48px;
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  font-size: 13px;
  color: var(--steel);
  margin-bottom: 26px;
}

.page-privacy .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-privacy .breadcrumb a:hover {
  color: var(--violet-glow);
  border-bottom-color: var(--line-strong);
}

.page-privacy .pv-hero .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-privacy .pv-hero h1 {
  margin: 0;
  max-width: 15em;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.08;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--mist);
}

.page-privacy .pv-hero .lede {
  margin: 22px 0 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 246, 255, .80);
}

/* 布局 */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  padding: 36px 20px 72px;
}

/* 章节索引 */
.page-privacy .pv-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--steel);
}

.page-privacy .pv-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pv-index__item {
  flex: 0 0 auto;
}

.page-privacy .pv-index__link {
  display: flex;
  gap: 8px;
  align-items: center;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--steel);
  text-decoration: none;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-privacy .pv-index__link:hover {
  color: var(--mist);
  border-color: var(--line-strong);
}

.page-privacy .pv-index__link.is-active {
  color: var(--mist);
  border-color: var(--line-strong);
  background: rgba(122, 77, 255, .22);
}

.page-privacy .pv-index__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--violet-glow);
}

.page-privacy .pv-top {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-privacy .pv-top:hover {
  color: var(--warm-orange);
  border-bottom-color: var(--warm-orange);
}

/* 正文长卷 */
.page-privacy .pv-body {
  max-width: var(--pv-measure);
}

.page-privacy .pv-sec {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-sec:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pv-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--neon-violet);
  flex: 0 0 auto;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(21px, 4vw, 28px);
  line-height: 1.28;
  font-weight: 800;
  color: var(--mist);
}

.page-privacy .pv-body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 246, 255, .82);
}

.page-privacy .pv-body strong {
  color: var(--amber);
  font-weight: 700;
}

/* 信息类型细边列表 */
.page-privacy .pv-list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list__item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-list__item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-list__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-privacy .pv-list__val {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 246, 255, .80);
}

/* 用途步骤 */
.page-privacy .pv-steps {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: pv-step;
}

.page-privacy .pv-steps__item {
  position: relative;
  padding: 0 0 22px 52px;
  counter-increment: pv-step;
}

.page-privacy .pv-steps__item::before {
  content: counter(pv-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--violet-glow);
}

.page-privacy .pv-steps__item::after {
  content: "";
  position: absolute;
  left: 16px;
  top: 38px;
  bottom: 6px;
  width: 1px;
  background: var(--line-soft);
}

.page-privacy .pv-steps__item:last-child::after {
  display: none;
}

.page-privacy .pv-steps__title {
  margin: 4px 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mist);
}

.page-privacy .pv-steps__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 246, 255, .78);
}

.page-privacy .pv-steps--compact .pv-steps__item {
  padding-bottom: 18px;
}

/* 关键说明色块 */
.page-privacy .pv-note {
  margin-top: 24px;
  padding: 20px 22px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--warm-orange);
  border-radius: var(--radius-m);
  background: linear-gradient(135deg, rgba(122, 77, 255, .18), rgba(255, 122, 61, .10));
}

.page-privacy .pv-note__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-privacy .pv-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 246, 255, .82);
}

/* 折叠说明 */
.page-privacy .pv-fold {
  margin-top: 20px;
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--ink-navy-soft);
}

.page-privacy .pv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--mist);
  list-style: none;
}

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

.page-privacy .pv-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--violet-glow);
  line-height: 1;
}

.page-privacy .pv-fold[open] summary::after {
  content: "−";
}

.page-privacy .pv-fold__body {
  padding: 0 0 20px;
}

.page-privacy .pv-fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 246, 255, .78);
}

/* 收尾 */
.page-privacy .pv-tail {
  margin-top: 56px;
  padding: 28px 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(255, 122, 61, .14), transparent 60%),
    var(--ink-navy-soft);
}

.page-privacy .pv-tail__title {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--mist);
}

.page-privacy .pv-tail__text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(244, 246, 255, .78);
}

.page-privacy .pv-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 桌面端 */
@media (min-width: 720px) {
  .page-privacy .pv-hero__inner {
    padding: 96px 32px 64px;
  }

  .page-privacy .pv-layout {
    padding: 56px 32px 96px;
  }

  .page-privacy .pv-list__item {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
    padding: 18px 0;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-hero__inner {
    padding: 120px 40px 72px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: 168px minmax(0, var(--pv-measure));
    column-gap: 64px;
    justify-content: center;
    padding: 72px 40px 112px;
  }

  .page-privacy .pv-index {
    position: sticky;
    top: calc(var(--header-h) + 32px);
    align-self: start;
  }

  .page-privacy .pv-index__list {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pv-index__item {
    margin-bottom: 2px;
  }

  .page-privacy .pv-index__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-s) var(--radius-s) 0;
    padding: 9px 12px;
    white-space: normal;
  }

  .page-privacy .pv-index__link:hover {
    background: rgba(122, 77, 255, .12);
  }

  .page-privacy .pv-index__link.is-active {
    border-left-color: var(--neon-violet);
    background: rgba(122, 77, 255, .16);
  }

  .page-privacy .pv-sec {
    margin-top: 64px;
    padding-top: 36px;
  }

  .page-privacy .pv-body p {
    font-size: 17px;
  }

  .page-privacy .pv-tail {
    padding: 36px 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__link,
  .page-privacy .pv-top,
  .page-privacy .breadcrumb a {
    transition: none;
  }
}
<<<END>>>