.page-privacy {
  --pv-read: 42rem;
  --pv-sticky: 96px;
  background: var(--kv-mist);
  color: var(--kv-ink);
  font-family: var(--kv-sans);
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(28px, 6vw, 56px) 0 clamp(28px, 5vw, 48px);
  color: var(--kv-paper);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(45, 226, 230, .16), transparent 62%),
    linear-gradient(180deg, var(--kv-deep) 0%, var(--kv-night) 100%);
  overflow: hidden;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, rgba(45, 226, 230, .55) 0 1px, transparent 1px 22px);
  opacity: .45;
}

.page-privacy .pv-hero__inner {
  position: relative;
  display: grid;
  gap: clamp(14px, 2.4vw, 20px);
}

.page-privacy .pv-hero__crumbs {
  font-size: 12px;
}

.page-privacy .pv-hero__crumbs .kv-breadcrumb__link,
.page-privacy .pv-hero__crumbs .kv-breadcrumb__current {
  color: rgba(221, 231, 238, .76);
}

.page-privacy .pv-hero__crumbs .kv-breadcrumb__link {
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, .4);
}

.page-privacy .pv-hero__crumbs .kv-breadcrumb__link:hover,
.page-privacy .pv-hero__crumbs .kv-breadcrumb__link:focus-visible {
  color: var(--kv-cyan);
}

.page-privacy .pv-hero__eyebrow {
  margin: 0;
  color: var(--kv-cyan);
  letter-spacing: .08em;
}

.page-privacy .pv-hero__title {
  margin: 0;
  max-width: 24ch;
  font-family: var(--kv-serif);
  font-weight: 600;
  font-size: clamp(28px, 5.6vw, 50px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--kv-paper);
}

.page-privacy .pv-hero__lead {
  margin: 0;
  max-width: 48rem;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.9;
  color: rgba(247, 250, 252, .84);
}

.page-privacy .pv-hero__meta {
  list-style: none;
  margin: 4px 0 0;
  padding: 16px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  border-top: 1px solid rgba(221, 231, 238, .2);
}

.page-privacy .pv-hero__meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-privacy .pv-hero__meta-label {
  font-family: var(--kv-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--kv-steel);
  text-transform: uppercase;
}

.page-privacy .pv-hero__meta-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--kv-paper);
  word-break: break-word;
}

.page-privacy .pv-hero__figure {
  margin: clamp(10px, 2vw, 18px) 0 0;
}

.page-privacy .pv-hero__figure .kv-figure__frame {
  border-radius: var(--kv-radius-m);
  border: 1px solid rgba(45, 226, 230, .26);
  overflow: hidden;
  background: rgba(10, 34, 56, .6);
}

.page-privacy .pv-hero__figure .kv-figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .pv-hero__figure .kv-figure__caption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.7;
  color: rgba(221, 231, 238, .62);
}

/* ---------- 正文长卷 ---------- */
.page-privacy .pv-body {
  padding: clamp(22px, 4.5vw, 56px) 0 clamp(40px, 7vw, 84px);
}

.page-privacy .pv-layout {
  display: grid;
  gap: clamp(18px, 3vw, 40px);
  align-items: start;
}

/* 目录 */
.page-privacy .pv-toc {
  background: var(--kv-paper);
  border: 1px solid var(--kv-line);
  border-radius: var(--kv-radius-m);
  padding: 14px 16px;
  box-shadow: var(--kv-shadow);
  min-width: 0;
}

.page-privacy .pv-toc__label {
  margin: 0 0 10px;
  font-family: var(--kv-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--kv-steel);
  text-transform: uppercase;
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

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

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--kv-line);
  background: var(--kv-mist);
  color: var(--kv-night);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: background .25s var(--kv-ease), color .25s var(--kv-ease), border-color .25s var(--kv-ease);
}

.page-privacy .pv-toc__num {
  font-size: 11px;
  color: var(--kv-steel);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  border-color: var(--kv-cyan);
  background: var(--kv-paper);
  color: var(--kv-deep);
}

.page-privacy .pv-toc__link[aria-current="true"] {
  background: var(--kv-deep);
  border-color: var(--kv-deep);
  color: var(--kv-paper);
}

.page-privacy .pv-toc__link[aria-current="true"] .pv-toc__num {
  color: var(--kv-cyan);
}

/* 条款主体 */
.page-privacy .pv-article {
  min-width: 0;
  max-width: var(--pv-read);
}

.page-privacy .pv-sec {
  background: var(--kv-paper);
  border: 1px solid var(--kv-line);
  border-radius: var(--kv-radius-l);
  padding: clamp(18px, 3.4vw, 34px);
  margin-bottom: clamp(14px, 2.4vw, 22px);
  scroll-margin-top: 84px;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--kv-line);
}

.page-privacy .pv-sec__num {
  font-size: 13px;
  font-weight: 700;
  color: var(--kv-orange);
  letter-spacing: .06em;
  flex: 0 0 auto;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--kv-serif);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.35;
  color: var(--kv-deep);
  letter-spacing: -.005em;
}

.page-privacy .pv-sec__body > p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--kv-ink);
}

.page-privacy .pv-sec__body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-sec__body a {
  color: var(--kv-night);
  text-decoration: none;
  border-bottom: 1px solid var(--kv-cyan);
}

.page-privacy .pv-sec__body a:hover,
.page-privacy .pv-sec__body a:focus-visible {
  color: var(--kv-deep);
  background: rgba(45, 226, 230, .18);
}

/* 短条款列表 */
.page-privacy .pv-clauses {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-clauses li {
  position: relative;
  padding: 10px 14px 10px 16px;
  border-radius: var(--kv-radius-s);
  background: linear-gradient(90deg, rgba(221, 231, 238, .78), rgba(247, 250, 252, .2));
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--kv-ink);
}

.page-privacy .pv-clauses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: var(--kv-cyan);
}

.page-privacy .pv-clauses li strong {
  color: var(--kv-deep);
  font-weight: 700;
}

.page-privacy .pv-clauses--tight li {
  background: rgba(221, 231, 238, .55);
  font-size: 14px;
}

/* 四类信息卡片 */
.page-privacy .pv-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.page-privacy .pv-card {
  background: var(--kv-mist);
  border: 1px solid rgba(100, 127, 149, .24);
  border-radius: var(--kv-radius-m);
  padding: 16px 18px;
  transition: transform .25s var(--kv-ease), border-color .25s var(--kv-ease);
}

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

.page-privacy .pv-card__title {
  margin: 0 0 8px;
  font-family: var(--kv-sans);
  font-size: 16px;
  font-weight: 700;
  color: var(--kv-deep);
  letter-spacing: .01em;
}

.page-privacy .pv-card__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--kv-ink);
}

/* 使用目的步骤 */
.page-privacy .pv-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-steps__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.page-privacy .pv-steps__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid var(--kv-night);
  background: var(--kv-deep);
  color: var(--kv-cyan);
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
}

.page-privacy .pv-steps__title {
  margin: 3px 0 4px;
  font-size: 15.5px;
  font-weight: 700;
  color: var(--kv-night);
}

.page-privacy .pv-steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--kv-ink);
}

/* 数据流示意 */
.page-privacy .pv-flow {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  margin: 6px 0 18px;
  color: var(--kv-cyan);
}

.page-privacy .pv-flow__line {
  stroke: rgba(100, 127, 149, .6);
  stroke-width: 1.5;
  stroke-dasharray: 4 4;
}

.page-privacy .pv-flow__node {
  fill: var(--kv-paper);
  stroke: var(--kv-cyan);
  stroke-width: 2;
}

.page-privacy .pv-flow__node--store {
  fill: var(--kv-night);
  stroke: var(--kv-orange);
  stroke-dasharray: none;
}

/* 双栏拆分 */
.page-privacy .pv-split {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  margin-bottom: 16px;
}

.page-privacy .pv-sub {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--kv-steel);
  text-transform: uppercase;
}

.page-privacy .pv-note {
  margin: 0;
  padding: 12px 14px;
  border-radius: var(--kv-radius-s);
  border: 1px dashed rgba(100, 127, 149, .5);
  font-size: 14px;
  line-height: 1.8;
  color: var(--kv-night);
}

/* 定义条款 */
.page-privacy .pv-def {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-privacy .pv-def__row {
  padding: 14px 0;
  border-top: 1px solid var(--kv-line);
}

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

.page-privacy .pv-def__term {
  font-size: 15px;
  font-weight: 700;
  color: var(--kv-deep);
  margin-bottom: 6px;
}

.page-privacy .pv-def__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--kv-ink);
}

/* 权利与联系 */
.page-privacy .pv-rights {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .pv-rights__item {
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(45, 226, 230, .14);
  border: 1px solid rgba(45, 226, 230, .55);
  font-size: 13px;
  font-weight: 600;
  color: var(--kv-night);
}

.page-privacy .pv-contact {
  background: var(--kv-deep);
  color: var(--kv-paper);
  border-radius: var(--kv-radius-m);
  padding: clamp(16px, 3vw, 24px);
}

.page-privacy .pv-contact .pv-sub {
  color: var(--kv-cyan);
}

.page-privacy .pv-contact__list {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-contact__row {
  display: grid;
  gap: 3px;
}

.page-privacy .pv-contact__key {
  font-family: var(--kv-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(221, 231, 238, .6);
  text-transform: uppercase;
}

.page-privacy .pv-contact__val {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--kv-paper);
  word-break: break-word;
}

.page-privacy .pv-contact__hint {
  margin: 14px 0 16px;
  font-size: 13px;
  line-height: 1.8;
  color: rgba(221, 231, 238, .78);
}

.page-privacy .pv-contact__btn {
  display: inline-flex;
}

/* 相关阅读 */
.page-privacy .pv-related {
  margin-top: clamp(18px, 3vw, 28px);
  padding-top: clamp(16px, 2.6vw, 24px);
  border-top: 2px solid var(--kv-night);
}

.page-privacy .pv-related__title {
  margin: 0 0 14px;
  font-family: var(--kv-serif);
  font-weight: 600;
  font-size: clamp(19px, 2.4vw, 24px);
  color: var(--kv-deep);
}

.page-privacy .pv-related__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-related__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 16px;
  border-radius: var(--kv-radius-s);
  background: var(--kv-paper);
  border: 1px solid var(--kv-line);
  text-decoration: none;
  color: var(--kv-ink);
  transition: border-color .25s var(--kv-ease), background .25s var(--kv-ease);
}

.page-privacy .pv-related__link:hover,
.page-privacy .pv-related__link:focus-visible {
  border-color: var(--kv-cyan);
  background: #fff;
}

.page-privacy .pv-related__kicker {
  flex: 0 0 auto;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--kv-orange);
}

.page-privacy .pv-related__text {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--kv-night);
}

/* 返回顶部 */
.page-privacy .pv-backtop {
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-privacy .pv-backtop__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1px solid var(--kv-night);
  color: var(--kv-night);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  transition: background .25s var(--kv-ease), color .25s var(--kv-ease);
}

.page-privacy .pv-backtop__link::before {
  content: "↑";
  font-family: var(--kv-mono);
}

.page-privacy .pv-backtop__link:hover,
.page-privacy .pv-backtop__link:focus-visible {
  background: var(--kv-night);
  color: var(--kv-paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-split {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .page-privacy .pv-contact__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 26px;
  }

  .page-privacy .pv-related__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-related__link {
    flex-direction: column;
    gap: 6px;
    height: 100%;
  }
}

@media (min-width: 900px) {
  .page-privacy {
    --pv-sticky: 112px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    justify-content: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: var(--pv-sticky);
    padding: 18px 18px 14px;
  }

  .page-privacy .pv-toc__list {
    flex-direction: column;
    overflow: visible;
    gap: 4px;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc__item {
    flex: 1 1 auto;
  }

  .page-privacy .pv-toc__link {
    width: 100%;
    justify-content: flex-start;
    white-space: normal;
    border-radius: var(--kv-radius-s);
    border-color: transparent;
    background: transparent;
    padding: 9px 10px;
    font-size: 13.5px;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    background: var(--kv-mist);
    border-color: var(--kv-line);
  }

  .page-privacy .pv-toc__link[aria-current="true"] {
    background: var(--kv-deep);
    border-color: var(--kv-deep);
  }

  .page-privacy .pv-sec {
    scroll-margin-top: 124px;
  }

  .page-privacy .pv-hero__title {
    max-width: 26ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-card,
  .page-privacy .pv-toc__link,
  .page-privacy .pv-related__link,
  .page-privacy .pv-backtop__link {
    transition: none;
  }

  .page-privacy .pv-card:hover {
    transform: none;
  }
}
<<<END>>>