.page-privacy {
  --pp-index-w: 240px;
  --pp-read: 44em;
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 页头抽象纹理带 ---------- */
.page-privacy .pp-banner {
  position: relative;
  background: var(--ink);
  border-bottom: 4px solid var(--kiwi);
  overflow: hidden;
}
.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  height: clamp(160px, 26vw, 300px);
  object-fit: cover;
  object-position: center 40%;
  opacity: .62;
}
.page-privacy .pp-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(198, 245, 60, .16) 0 1px, transparent 1px 68px),
    linear-gradient(180deg, rgba(11, 15, 14, 0) 30%, rgba(11, 15, 14, .9) 100%);
}
.page-privacy .pp-banner-inner {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  padding: 16px var(--gutter) clamp(14px, 2.4vw, 24px);
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
}
.page-privacy .pp-banner-kicker,
.page-privacy .pp-banner-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-privacy .pp-banner-note {
  color: rgba(247, 246, 241, .72);
  letter-spacing: .08em;
}

/* ---------- 页头文字区 ---------- */
.page-privacy .pp-head {
  padding-block: clamp(28px, 4.5vw, 56px) clamp(22px, 3vw, 36px);
  border-bottom: 1px solid var(--line-strong);
}
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--moss);
}
.page-privacy .breadcrumb a {
  color: var(--kiwi-deep);
  text-decoration: none;
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  text-decoration: underline;
}
.page-privacy .page-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--kiwi-deep);
}
.page-privacy .page-title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 8vw, 88px);
  line-height: .98;
  letter-spacing: .01em;
}
.page-privacy .page-lead {
  margin: 0 0 18px;
  max-width: 34em;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--moss);
}
.page-privacy .meta-line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--moss);
  text-transform: uppercase;
}

/* ---------- 主体：索引 + 正文 ---------- */
.page-privacy .pp-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
  padding-block: clamp(28px, 4vw, 48px) clamp(48px, 7vw, 96px);
}

/* 索引 */
.page-privacy .pp-index {
  border: 1px solid var(--line-strong);
  background: var(--mist);
  align-self: start;
}
.page-privacy .pp-index summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--kiwi-deep);
  border-bottom: 1px solid var(--line);
}
.page-privacy .pp-index summary::-webkit-details-marker { display: none; }
.page-privacy .pp-index summary::after {
  content: "▾";
  font-size: 10px;
  color: var(--kiwi);
  transition: transform .2s var(--ease);
}
.page-privacy .pp-index[open] summary::after { transform: rotate(180deg); }
.page-privacy .pp-index-list {
  list-style: none;
  margin: 0;
  padding: 8px 0;
}
.page-privacy .pp-index-list a {
  display: flex;
  gap: 10px;
  padding: 9px 18px;
  border-left: 3px solid transparent;
  font-size: 14px;
  line-height: 1.45;
  color: var(--ink);
  text-decoration: none;
  transition: border-color .2s var(--ease), background .2s var(--ease), color .2s var(--ease);
}
.page-privacy .pp-index-list a:hover,
.page-privacy .pp-index-list a:focus-visible {
  border-left-color: var(--kiwi);
  background: rgba(15, 157, 108, .09);
  color: var(--kiwi-deep);
}
.page-privacy .pp-index-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.9;
  color: var(--moss);
}

/* 正文 */
.page-privacy .pp-content {
  min-width: 0;
  max-width: var(--pp-read);
}
.page-privacy .pp-sec {
  scroll-margin-top: calc(var(--bar-h) + 28px);
  padding-block: clamp(24px, 3.4vw, 38px);
  border-top: 1px solid var(--line);
}
.page-privacy .pp-sec:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pp-sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
  padding-left: 16px;
  border-left: 3px solid var(--kiwi);
}
.page-privacy .pp-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--kiwi-deep);
}
.page-privacy .pp-sec-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.25;
  letter-spacing: .01em;
}
.page-privacy .pp-sec-body > p {
  margin: 0 0 14px;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.85;
}
.page-privacy .pp-sec-body > p:last-child { margin-bottom: 0; }
.page-privacy .pp-sub {
  font-family: var(--font-mono);
  font-size: 11px !important;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--kiwi-deep) !important;
  margin-bottom: 10px !important;
}
.page-privacy .pp-sec-body a {
  color: var(--kiwi-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.page-privacy .pp-sec-body a:hover,
.page-privacy .pp-sec-body a:focus-visible {
  color: var(--ink);
  background: var(--mist);
}
.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 36em;
}
.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
}
.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--kiwi);
}
.page-privacy .pp-list strong {
  font-weight: 600;
  color: var(--kiwi-deep);
}
.page-privacy .pp-term {
  background: var(--mist);
  box-shadow: inset 0 -1px 0 rgba(15, 157, 108, .5);
  padding: 1px 5px;
  border-radius: 2px;
  color: var(--kiwi-deep);
}

/* 折叠补充 */
.page-privacy .pp-more {
  max-width: 36em;
  margin: 2px 0 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--kiwi);
  background: rgba(230, 244, 236, .55);
}
.page-privacy .pp-more summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--kiwi-deep);
  transition: background .2s var(--ease);
}
.page-privacy .pp-more summary::-webkit-details-marker { display: none; }
.page-privacy .pp-more summary::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
  color: var(--kiwi);
}
.page-privacy .pp-more[open] summary::before { content: "–"; }
.page-privacy .pp-more summary:hover { background: rgba(15, 157, 108, .08); }
.page-privacy .pp-more[open] summary { border-bottom: 1px solid var(--line); }
.page-privacy .pp-more-body { padding: 16px 16px 18px; }
.page-privacy .pp-more-body .pp-list { margin-bottom: 10px; }
.page-privacy .pp-more-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--moss);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-privacy .pp-body {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 84px);
  }
  .page-privacy .pp-index {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }
  .page-privacy .pp-content {
    max-width: none;
  }
  .page-privacy .pp-sec-body > p,
  .page-privacy .pp-list,
  .page-privacy .pp-more {
    max-width: var(--pp-read);
  }
}

@media (min-width: 1280px) {
  .page-privacy {
    --pp-index-w: 260px;
    --pp-read: 46em;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index summary::after,
  .page-privacy .pp-index-list a,
  .page-privacy .pp-more summary {
    transition: none;
  }
}
<<<END>>>