.page-privacy {
  --pd-hair: rgba(27, 39, 51, 0.14);
  --pd-hair-soft: rgba(27, 39, 51, 0.07);
  --pd-text: #3B4753;
  --pd-toc-w: 218px;
  color: var(--mist);
}

/* ============ 首屏 ============ */
.page-privacy .pd-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-deep);
  padding: calc(var(--bar-h) + clamp(44px, 8vw, 104px)) 0 clamp(44px, 6vw, 84px);
}
.page-privacy .pd-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 50% 40%;
  opacity: 0.38;
}
.page-privacy .pd-hero__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 18, 29, 0.55) 0%, rgba(7, 18, 29, 0.88) 58%, var(--ink) 100%),
    linear-gradient(90deg, rgba(11, 27, 43, 0.9) 0%, rgba(11, 27, 43, 0.25) 70%);
}
.page-privacy .pd-hero__inner {
  position: relative;
  z-index: 1;
}
.page-privacy .pd-hero__crumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}
.page-privacy .pd-hero__crumb a {
  color: var(--mist);
  text-decoration: none;
}
.page-privacy .pd-hero__crumb a:hover,
.page-privacy .pd-hero__crumb a:focus-visible {
  color: var(--cyan);
}
.page-privacy .pd-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(40px, 8.4vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}
.page-privacy .pd-hero__lede {
  max-width: 62ch;
  margin: clamp(20px, 3vw, 30px) 0 0;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.85;
  color: var(--mist);
}
.page-privacy .pd-hero__meta {
  list-style: none;
  margin: clamp(28px, 4vw, 48px) 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 14px;
}
.page-privacy .pd-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 14px;
}
.page-privacy .pd-mono {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

/* ============ 主体骨架 ============ */
.page-privacy .pd-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(36px, 5vw, 64px);
  padding-bottom: clamp(36px, 5vw, 64px);
}
.page-privacy .pd-toc {
  border-top: 2px solid var(--orange);
  padding-top: 14px;
  min-width: 0;
}
.page-privacy .pd-toc__cap {
  color: var(--sand);
  margin: 0 0 8px;
}
.page-privacy .pd-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}
.page-privacy .pd-toc__link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  min-height: 44px;
  padding: 11px 0;
  border-top: 1px solid var(--line-soft);
  color: var(--mist);
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.55;
  transition: color 200ms ease, border-color 200ms ease;
}
.page-privacy .pd-toc__link:hover,
.page-privacy .pd-toc__link:focus-visible {
  color: var(--paper);
  border-top-color: var(--orange);
}
.page-privacy .pd-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
}
.page-privacy .pd-toc__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

/* ============ 纸感正文面板 ============ */
.page-privacy .pd-sheet {
  min-width: 0;
  background-color: var(--paper);
  background-image:
    linear-gradient(var(--pd-hair-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--pd-hair-soft) 1px, transparent 1px);
  background-size: 58px 58px;
  border-top: 3px solid var(--orange);
  color: var(--pd-text);
  padding: clamp(22px, 4vw, 56px);
}
.page-privacy .pd-item {
  padding-bottom: clamp(26px, 3.6vw, 44px);
}
.page-privacy .pd-item + .pd-item {
  padding-top: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--pd-hair);
}
.page-privacy .pd-item__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  border-left: 3px solid var(--orange);
  padding-left: clamp(12px, 2vw, 20px);
}
.page-privacy .pd-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--clay);
  flex: none;
}
.page-privacy .pd-item__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 33px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink-on-paper);
}
.page-privacy .pd-item__lede {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  font-size: clamp(16.5px, 1.7vw, 19px);
  line-height: 1.75;
  color: var(--ink-on-paper);
}
.page-privacy .pd-item__lede strong {
  font-weight: 800;
  box-shadow: inset 0 -0.42em 0 rgba(244, 98, 31, 0.18);
}
.page-privacy .pd-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-privacy .pd-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pd-text);
}
.page-privacy .pd-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.76em;
  width: 8px;
  height: 8px;
  background: var(--moss);
}
.page-privacy .pd-k {
  font-weight: 700;
  color: var(--ink-on-paper);
}
.page-privacy .pd-link {
  color: var(--clay);
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 89, 58, 0.42);
}
.page-privacy .pd-link:hover,
.page-privacy .pd-link:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.page-privacy .pd-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--sand);
  background: rgba(201, 161, 90, 0.1);
  font-size: 15px;
  line-height: 1.85;
  color: var(--pd-text);
}

/* 折叠细则 */
.page-privacy .pd-fold {
  margin-top: 20px;
  border: 1px solid var(--pd-hair);
  background: rgba(255, 255, 255, 0.5);
}
.page-privacy .pd-fold__sum {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 10px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--clay);
}
.page-privacy .pd-fold__sum::-webkit-details-marker {
  display: none;
}
.page-privacy .pd-fold__sum::before {
  content: "+";
  font-size: 15px;
  line-height: 1;
  color: var(--orange);
}
.page-privacy .pd-fold[open] .pd-fold__sum {
  border-bottom: 1px solid var(--pd-hair-soft);
}
.page-privacy .pd-fold[open] .pd-fold__sum::before {
  content: "−";
}
.page-privacy .pd-fold__body {
  padding: 14px 16px 18px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--pd-text);
}
.page-privacy .pd-fold__body p {
  margin: 0;
}

/* 数据流向示意 */
.page-privacy .pd-flow {
  list-style: none;
  margin: 22px 0 0;
  padding: 18px;
  background: var(--ink-deep);
  display: grid;
  justify-items: stretch;
  align-items: center;
  gap: 6px;
}
.page-privacy .pd-flow__node {
  border: 1px solid var(--line);
  border-left: 2px solid var(--sand);
  padding: 12px 14px;
}
.page-privacy .pd-flow__node--sync {
  border-left-color: var(--cyan);
  background: rgba(53, 208, 214, 0.07);
}
.page-privacy .pd-flow__k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--sand);
}
.page-privacy .pd-flow__v {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
}
.page-privacy .pd-flow__link {
  justify-self: center;
  width: 2px;
  height: 20px;
  background: linear-gradient(180deg, var(--cyan), rgba(53, 208, 214, 0.16));
}

/* 权利卡片 */
.page-privacy .pd-rights {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}
.page-privacy .pd-right {
  border-top: 2px solid var(--cyan);
  border-right: 1px solid var(--pd-hair);
  border-bottom: 1px solid var(--pd-hair);
  border-left: 1px solid var(--pd-hair);
  background: rgba(255, 255, 255, 0.55);
  padding: 16px 18px 18px;
}
.page-privacy .pd-right__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--ink-on-paper);
}
.page-privacy .pd-right__text {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pd-text);
}

/* ============ 版本记录 ============ */
.page-privacy .pd-versions {
  border-top: 1px solid var(--line);
}
.page-privacy .pd-versions__filter {
  margin: 22px 0 clamp(22px, 3vw, 32px);
}
.page-privacy .pd-ver-grid {
  align-items: stretch;
}
.page-privacy .pd-ver {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.page-privacy .pd-ver--now {
  border-top: 2px solid var(--orange);
}
.page-privacy .pd-ver .card__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sand);
}
.page-privacy .pd-ver--now .card__index {
  color: var(--orange);
}
.page-privacy .pd-ver .card__title {
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.005em;
}
.page-privacy .pd-ver .card__foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

/* ============ 收尾引导 ============ */
.page-privacy .pd-help {
  padding-bottom: clamp(48px, 7vw, 96px);
}
.page-privacy .pd-help__inner {
  border-top: 1px solid var(--line);
  padding-top: clamp(24px, 3.4vw, 40px);
  display: grid;
  gap: 20px;
}
.page-privacy .pd-help__text {
  margin: 0;
  max-width: 52ch;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.8;
  color: var(--paper);
}
.page-privacy .pd-help__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ============ 响应式 ============ */
@media (min-width: 720px) {
  .page-privacy .pd-flow {
    grid-template-columns: minmax(0, 1fr) 32px minmax(0, 1fr) 32px minmax(0, 1fr);
    gap: 4px;
  }
  .page-privacy .pd-flow__link {
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), rgba(53, 208, 214, 0.16));
  }
  .page-privacy .pd-rights {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }
  .page-privacy .pd-help__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pd-layout {
    grid-template-columns: var(--pd-toc-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 76px);
  }
  .page-privacy .pd-toc {
    position: sticky;
    top: calc(var(--bar-h) + 26px);
    align-self: start;
  }
  .page-privacy .pd-sheet {
    padding: clamp(34px, 4vw, 64px) clamp(28px, 3.6vw, 60px);
  }
}

@media (min-width: 1280px) {
  .page-privacy .pd-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }
  .page-privacy .pd-hero__meta li {
    display: block;
  }
  .page-privacy .pd-hero__meta li .label {
    display: block;
    margin-bottom: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pd-toc__link {
    transition: none;
  }
}
<<<END>>>