.page-privacy {
  --pv-body-text: #24354F;
  --pv-rule: rgba(36, 80, 155, .26);
  --pv-soft: #E8EFFA;
  --pv-aside-w: 250px;
  background: var(--ink-900);
}

/* ---------- 首屏：抽象纹理 + 深色过渡 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-900);
}

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

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .34;
  filter: saturate(.85) contrast(1.05);
}

.page-privacy .pv-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(110% 80% at 8% 0%, rgba(232, 84, 42, .26), transparent 58%),
    radial-gradient(90% 70% at 92% 12%, rgba(34, 211, 208, .16), transparent 62%),
    linear-gradient(180deg, rgba(7, 22, 51, .42) 0%, rgba(7, 22, 51, .80) 52%, var(--ink-900) 100%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: 26px;
  padding-bottom: 56px;
}

.page-privacy .pv-hero__inner .crumbs {
  margin-bottom: 30px;
}

.page-privacy .pv-hero__inner h1 {
  margin: 12px 0 0;
  max-width: 17ch;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.4vw, 54px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-privacy .pv-hero__lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
}

.page-privacy .pv-marks {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-marks__item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
}

.page-privacy .pv-marks__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--state);
  box-shadow: 0 0 0 4px rgba(34, 211, 208, .16);
}

@media (min-width: 720px) {
  .page-privacy .pv-hero__inner {
    padding-top: 34px;
    padding-bottom: 72px;
  }
  .page-privacy .pv-marks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    max-width: 980px;
  }
}

/* ---------- 浅色阅读区 ---------- */
.page-privacy .pv-paper {
  position: relative;
  padding-top: 34px;
  padding-bottom: 56px;
  background: var(--paper);
}

.page-privacy .pv-paper::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent) 0%, var(--state) 42%, rgba(36, 80, 155, 0) 100%);
}

.page-privacy .pv-doc {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

/* 左侧目录 */
.page-privacy .pv-aside {
  display: grid;
  gap: 18px;
}

.page-privacy .pv-aside .toc {
  padding: 20px 18px;
  border: 1px solid var(--pv-rule);
  border-radius: var(--r-md);
  background: #FFFFFF;
}

.page-privacy .pv-aside .toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #6C7F9E;
}

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

.page-privacy .pv-aside .toc__link {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 14px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5;
  font-weight: 600;
  color: #40567A;
  text-decoration: none;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-aside .toc__link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: transparent;
  transition: background-color var(--dur) var(--ease);
}

.page-privacy .pv-aside .toc__link:hover {
  color: var(--ink-900);
  background: var(--pv-soft);
}

.page-privacy .pv-aside .toc__link[aria-current="true"] {
  color: var(--ink-900);
  background: var(--pv-soft);
}

.page-privacy .pv-aside .toc__link[aria-current="true"]::before {
  background: var(--accent);
}

.page-privacy .pv-toc__idx {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  color: #8B9CBB;
}

.page-privacy .pv-aside .toc__link[aria-current="true"] .pv-toc__idx {
  color: var(--accent);
}

.page-privacy .pv-aside__note {
  padding: 16px 18px;
  border: 1px solid rgba(34, 211, 208, .48);
  border-radius: var(--r-md);
  background: rgba(34, 211, 208, .08);
}

.page-privacy .pv-aside__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: #0E8C8A;
}

.page-privacy .pv-aside__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-900);
}

.page-privacy .pv-aside__hint {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: #4B5E7D;
}

/* 正文 */
.page-privacy .pv-body {
  min-width: 0;
  color: var(--pv-body-text);
}

.page-privacy .pv-sec {
  padding-top: 30px;
  border-top: 1px solid var(--pv-rule);
  margin-top: 30px;
}

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

.page-privacy .pv-sec h2 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(21px, 3.4vw, 27px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: #0B1220;
}

.page-privacy .pv-sec p {
  margin: 0 0 1em;
  font-size: 16px;
  line-height: 1.82;
}

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

.page-privacy .pv-link {
  color: #1B4FA8;
  text-decoration: none;
  border-bottom: 1px solid rgba(27, 79, 168, .38);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---------- 桌面：固定目录 + 阅读区 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-paper {
    padding-top: 56px;
    padding-bottom: 88px;
  }

  .page-privacy .pv-doc {
    grid-template-columns: var(--pv-aside-w) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-privacy .pv-aside {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-privacy .pv-sec {
    padding-top: 44px;
    margin-top: 44px;
  }

  .page-privacy .pv-body {
    max-width: 74ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-aside .toc__link,
  .page-privacy .pv-aside .toc__link::before,
  .page-privacy .pv-link {
    transition: none;
  }
}
<<<END>>>