.page-privacy {
  --pv-measure: 64ch;
  display: block;
  position: relative;
  overflow-x: hidden;
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--pearl);
  background:
    radial-gradient(120% 64% at 8% -4%, rgba(13, 46, 40, 0.9) 0%, rgba(6, 26, 40, 0) 60%),
    radial-gradient(90% 50% at 100% 100%, rgba(53, 224, 200, 0.06) 0%, rgba(6, 26, 40, 0) 70%),
    linear-gradient(180deg, #04121E 0%, var(--deep-sea) 30%, #04121E 100%);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  padding-top: 28px;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .pv-hero .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-privacy .pv-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  transition: color 0.28s var(--ease);
}

.page-privacy .pv-hero .breadcrumb a:hover {
  color: var(--neon-teal);
}

.page-privacy .pv-hero .breadcrumb__sep {
  margin: 0 8px;
  color: var(--gold-grey);
}

.page-privacy .pv-hero__eyebrow {
  margin: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--dark-gold);
  text-transform: uppercase;
}

.page-privacy .pv-hero__title {
  margin: 14px 0 18px;
  max-width: 18ch;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(30px, 6.4vw, 60px);
  line-height: 1.22;
  letter-spacing: 0.02em;
  color: var(--pearl);
}

.page-privacy .pv-hero__lede {
  max-width: 58ch;
  margin: 0;
  color: rgba(238, 244, 245, 0.8);
}

.page-privacy .pv-hero__media {
  position: relative;
  margin-top: 34px;
  height: 172px;
  overflow: hidden;
  background: linear-gradient(160deg, #07202e 0%, #041520 100%);
}

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

.page-privacy .pv-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(4, 18, 30, 0.3) 0%, rgba(4, 18, 30, 0.94) 100%);
}

/* ---------- 主体网格 ---------- */

.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  padding-block: 40px 96px;
}

/* ---------- 左侧条款轨道 ---------- */

.page-privacy .pv-rail {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 0 0 12px;
  margin: 0 0 26px;
  border-bottom: 1px solid var(--line-soft);
  scrollbar-width: none;
}

.page-privacy .pv-rail::-webkit-scrollbar {
  display: none;
}

.page-privacy .pv-rail .rail__index {
  display: none;
}

.page-privacy .pv-rail .rail__link {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition:
    color 0.28s var(--ease),
    border-color 0.28s var(--ease),
    background-color 0.28s var(--ease);
}

.page-privacy .pv-rail .rail__link:hover,
.page-privacy .pv-rail .rail__link:focus-visible {
  color: var(--pearl);
  border-color: var(--line);
}

.page-privacy .pv-rail .rail__link[aria-current="true"] {
  color: var(--neon-teal);
  border-color: rgba(53, 224, 200, 0.45);
  background: rgba(53, 224, 200, 0.07);
  box-shadow: 0 0 16px rgba(53, 224, 200, 0.14);
}

/* ---------- 条款 ---------- */

.page-privacy .pv-clause {
  padding-block: 32px;
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 24px;
}

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

.page-privacy .pv-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .pv-num {
  flex: 0 0 auto;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--dark-gold);
}

.page-privacy .pv-clause__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(20px, 2.8vw, 29px);
  line-height: 1.36;
  letter-spacing: 0.02em;
  color: var(--pearl);
}

.page-privacy .pv-clause p {
  max-width: var(--pv-measure);
  margin: 0 0 1.1em;
  color: rgba(238, 244, 245, 0.84);
}

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

.page-privacy .pv-clause a {
  color: var(--neon-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, 0.35);
  transition: border-color 0.28s var(--ease);
}

.page-privacy .pv-clause a:hover,
.page-privacy .pv-clause a:focus-visible {
  border-bottom-color: var(--neon-teal);
}

.page-privacy .pv-list {
  max-width: var(--pv-measure);
  margin: 0 0 1.1em;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 15px;
}

.page-privacy .pv-list > li {
  position: relative;
  padding-left: 22px;
  color: rgba(238, 244, 245, 0.8);
}

.page-privacy .pv-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--gold-grey);
}

.page-privacy .pv-list strong {
  color: var(--pearl);
  font-weight: 500;
}

.page-privacy .pv-mark {
  border-bottom: 1px solid var(--gold-grey);
  padding-bottom: 1px;
}

/* ---------- 可展开条款 ---------- */

.page-privacy .pv-fold {
  max-width: var(--pv-measure);
  margin-top: 22px;
  padding-left: 18px;
  border-left: 2px solid rgba(201, 162, 39, 0.42);
}

.page-privacy .pv-fold summary {
  position: relative;
  padding: 4px 0 4px 24px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-head);
  font-weight: 300;
  font-size: 17px;
  letter-spacing: 0.02em;
  color: var(--neon-teal);
  transition: color 0.28s var(--ease);
}

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

.page-privacy .pv-fold summary::before {
  content: "+";
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--dark-gold);
}

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

.page-privacy .pv-fold summary:hover {
  color: var(--pearl);
}

.page-privacy .pv-fold__body {
  padding: 12px 0 2px;
}

.page-privacy .pv-fold__body p {
  margin: 0 0 0.9em;
  color: rgba(238, 244, 245, 0.76);
}

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

.page-privacy .pv-fold__body strong {
  color: var(--pearl);
  font-weight: 500;
}

/* ---------- 返回顶部 ---------- */

.page-privacy .pv-top {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--pearl);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(4, 18, 30, 0.82);
  backdrop-filter: blur(8px);
  transition:
    color 0.28s var(--ease),
    border-color 0.28s var(--ease);
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible {
  color: var(--neon-teal);
  border-color: rgba(53, 224, 200, 0.6);
}

/* ---------- 滚动渐显 ---------- */

.page-privacy [data-reveal] {
  opacity: 1;
}

.js .page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.42s var(--ease),
    transform 0.42s var(--ease);
}

.js .page-privacy [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 720px) {
  .page-privacy .pv-hero {
    padding-top: 44px;
  }

  .page-privacy .pv-hero__media {
    height: 268px;
    margin-top: 44px;
  }

  .page-privacy .pv-clause {
    padding-block: 40px;
  }
}

/* ---------- 桌面：侧边轨道 + 正文横向层级 ---------- */

@media (min-width: 940px) {
  .page-privacy .pv-body {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 72px;
    padding-block: 76px 128px;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: 28px;
    align-self: start;
    flex-direction: column;
    gap: 0;
    overflow: visible;
    margin: 0;
    padding: 2px 0 0;
    border-bottom: 0;
    border-left: 1px solid var(--line-soft);
  }

  .page-privacy .pv-rail .rail__index {
    display: block;
    margin: 0 0 16px;
    padding-left: 16px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.24em;
    color: var(--gold-grey);
  }

  .page-privacy .pv-rail .rail__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    margin-left: -1px;
    padding: 9px 12px 9px 15px;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .pv-rail .rail__link[aria-current="true"] {
    color: var(--neon-teal);
    border-left-color: var(--neon-teal);
    background: linear-gradient(90deg, rgba(53, 224, 200, 0.12), rgba(53, 224, 200, 0));
    box-shadow: none;
  }

  .page-privacy .pv-clause {
    padding-block: 46px;
    scroll-margin-top: 32px;
  }

  .page-privacy .pv-clause:first-child {
    padding-top: 2px;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .js .page-privacy [data-reveal],
  .js .page-privacy [data-reveal].is-visible {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-privacy .pv-rail .rail__link,
  .page-privacy .pv-top {
    transition: none;
  }
}
<<<END>>>