.page-privacy {
  --pv-col: 640px;
  display: block;
  overflow-x: clip;
  background:
    radial-gradient(120% 55% at 82% 0%, rgba(43, 240, 196, 0.10), transparent 62%),
    radial-gradient(90% 45% at 0% 30%, rgba(255, 90, 31, 0.07), transparent 65%),
    var(--ink);
  color: var(--fog);
  padding-bottom: clamp(48px, 9vw, 104px);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-privacy .pv-hero-inner {
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-privacy .pv-stamp {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: clamp(16px, 3vw, 30px) 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--sage);
}

.page-privacy .pv-stamp-idx {
  padding: 3px 8px;
  background: var(--pulse);
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0.04em;
  border-radius: var(--radius-hard);
}

.page-privacy h1 {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(42px, 9vw, 92px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--fog);
}

.page-privacy .pv-lede {
  max-width: 34em;
  margin: 0;
  font-size: clamp(15px, 2.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pv-banner {
  margin: 0;
  border-top: 1px solid var(--pine);
  border-bottom: 1px solid var(--pine);
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体骨架 ---------- */

.page-privacy .pv-shell {
  padding-top: clamp(30px, 5vw, 60px);
}

.page-privacy .pv-switch {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-privacy .pv-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-privacy .pv-doc {
  order: 2;
  max-width: var(--pv-col);
  min-width: 0;
}

.page-privacy .pv-index {
  order: 1;
  min-width: 0;
}

/* ---------- 条款 ---------- */

.page-privacy .pv-term {
  border-top: 1px solid var(--pine);
  scroll-margin-top: 96px;
}

.page-privacy .pv-term:first-of-type {
  border-top: 0;
}

.page-privacy .pv-term details {
  padding: clamp(20px, 3vw, 28px) 0;
  transition: background 0.2s var(--ease);
}

.page-privacy .pv-term summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 3.2vw, 25px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--fog);
  transition: color 0.18s var(--ease);
}

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

.page-privacy .pv-term summary:hover,
.page-privacy .pv-term summary:focus-visible {
  color: var(--cyan);
}

.page-privacy .pv-term summary:focus-visible {
  outline: var(--ring);
  outline-offset: 4px;
}

.page-privacy .pv-term summary::after {
  content: "";
  flex: 0 0 auto;
  align-self: center;
  margin-left: auto;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--sage);
  border-bottom: 2px solid var(--sage);
  transform: rotate(45deg);
  transition: transform 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .pv-term details[open] summary::after {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-privacy .pv-num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--pulse);
}

.page-privacy .pv-body {
  margin-top: 14px;
}

.page-privacy .pv-body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(242, 246, 241, 0.84);
}

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

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

.page-privacy .pv-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 240, 196, 0.45);
  transition: border-color 0.18s var(--ease), border-bottom-width 0.1s linear;
}

.page-privacy .pv-body a:hover,
.page-privacy .pv-body a:focus-visible {
  border-bottom: 2px solid var(--cyan);
}

.page-privacy .pv-body a:focus-visible {
  outline: var(--ring);
  outline-offset: 2px;
}

.page-privacy .pv-body abbr[title] {
  text-decoration: none;
  border-bottom: 1px dotted var(--cyan);
  cursor: help;
}

.page-privacy .pv-term:target details {
  background: rgba(43, 240, 196, 0.06);
  box-shadow: inset 3px 0 0 var(--cyan);
}

/* ---------- 索引与阅读设置 ---------- */

.page-privacy .pv-index-title,
.page-privacy .pv-controls-label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--sage);
}

.page-privacy .pv-index {
  border-top: 1px solid var(--pine);
  border-bottom: 1px solid var(--pine);
  padding: 14px 0 10px;
}

.page-privacy .pv-index-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pv-index-list li {
  flex: 0 0 auto;
}

.page-privacy .pv-index-list a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--pine);
  border-radius: 999px;
  color: var(--mist);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-privacy .pv-index-list a:hover,
.page-privacy .pv-index-list a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-privacy .pv-index-list a:focus-visible {
  outline: var(--ring);
  outline-offset: 2px;
}

.page-privacy .pv-index-num {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--pulse);
}

.page-privacy .pv-controls {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--pine);
}

.page-privacy .pv-seg {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
}

.page-privacy .pv-seg label {
  flex: 1 1 0;
  padding: 8px 6px;
  text-align: center;
  font-size: 12px;
  color: var(--sage);
  border: 1px solid var(--pine);
  border-radius: var(--radius-hard);
  cursor: pointer;
  user-select: none;
  transition: background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .pv-seg label:hover {
  border-color: var(--cyan);
  color: var(--mist);
}

.page-privacy #pv-size-std:checked ~ .pv-layout label[for="pv-size-std"],
.page-privacy #pv-size-lg:checked ~ .pv-layout label[for="pv-size-lg"],
.page-privacy #pv-contrast-std:checked ~ .pv-layout label[for="pv-contrast-std"],
.page-privacy #pv-contrast-high:checked ~ .pv-layout label[for="pv-contrast-high"] {
  background: var(--pulse);
  border-color: var(--pulse);
  color: var(--ink);
  font-weight: 700;
}

.page-privacy #pv-size-lg:checked ~ .pv-layout .pv-body p {
  font-size: 18.5px;
  line-height: 1.9;
}

.page-privacy #pv-contrast-high:checked ~ .pv-layout .pv-body p {
  color: #ffffff;
}

.page-privacy #pv-contrast-high:checked ~ .pv-layout .pv-term:target details {
  background: rgba(43, 240, 196, 0.12);
}

/* ---------- 桌面 ---------- */

@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, var(--pv-col)) minmax(220px, 268px);
    justify-content: space-between;
    column-gap: clamp(36px, 6vw, 96px);
    align-items: start;
  }

  .page-privacy .pv-doc {
    order: 1;
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .pv-index {
    order: 2;
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 104px;
    border-top: 0;
    border-bottom: 0;
    padding: 0;
  }

  .page-privacy .pv-index-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pv-index-list a {
    display: flex;
    width: 100%;
    padding: 9px 10px 9px 14px;
    border: 0;
    border-left: 2px solid var(--pine);
    border-radius: 0;
    font-size: 14px;
    line-height: 1.5;
    white-space: normal;
  }

  .page-privacy .pv-index-list a:hover,
  .page-privacy .pv-index-list a:focus-visible {
    border-left-color: var(--cyan);
    background: rgba(43, 240, 196, 0.07);
  }

  .page-privacy .pv-body {
    padding-left: 42px;
  }

  .page-privacy .pv-controls {
    margin-top: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-term details,
  .page-privacy .pv-term summary,
  .page-privacy .pv-term summary::after,
  .page-privacy .pv-index-list a,
  .page-privacy .pv-seg label,
  .page-privacy .pv-body a {
    transition: none;
  }
}
<<<END>>>