.page-privacy {
  --pp-measure: 40em;
  --pp-toc-w: 200px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(40px, 7vw, 88px) clamp(36px, 6vw, 72px);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: -30% -18% auto -18%;
  height: 170%;
  background:
    radial-gradient(56% 44% at 84% 10%, rgba(122, 92, 255, .20), transparent 66%),
    radial-gradient(50% 38% at 6% -8%, rgba(77, 240, 224, .09), transparent 70%);
  pointer-events: none;
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(30, 44, 85, .55) 0 1px, transparent 1px 104px),
    repeating-linear-gradient(to bottom, rgba(30, 44, 85, .38) 0 1px, transparent 1px 104px);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .85), transparent 88%);
  pointer-events: none;
}

.page-privacy .pp-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-privacy .pp-hero__text {
  min-width: 0;
}

.page-privacy .pp-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(3.2rem, 10vw, 6.8rem);
  line-height: .98;
  letter-spacing: .01em;
  color: var(--pure-white);
}

.page-privacy .pp-hero__lead {
  margin: 26px 0 0;
  max-width: 32em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-secondary);
}

.page-privacy .pp-hero__meta {
  margin: 38px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--structure);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px 32px;
}

.page-privacy .pp-hero__meta-row {
  min-width: 0;
}

.page-privacy .pp-hero__meta dt {
  margin: 0 0 7px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--index-blue);
}

.page-privacy .pp-hero__meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.page-privacy .pp-hero__figure {
  position: relative;
  margin: 0;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  opacity: .6;
}

.page-privacy .pp-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pp-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  padding-block: clamp(44px, 7vw, 96px) clamp(64px, 9vw, 132px);
}

/* ---------- 目录 ---------- */
.page-privacy .pp-toc {
  min-width: 0;
  overflow: hidden;
}

.page-privacy .pp-toc__label {
  margin: 0 0 14px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--index-blue);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 10px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.page-privacy .pp-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pp-toc__item {
  flex: none;
}

.page-privacy .pp-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 16px;
  border: 1px solid var(--structure);
  border-radius: var(--radius-pill);
  font-size: 14px;
  line-height: 1.35;
  white-space: nowrap;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 140ms var(--ease-out), border-color 140ms var(--ease-out);
}

.page-privacy .pp-toc__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 400;
  color: var(--index-blue);
  transition: color 140ms var(--ease-out);
}

.page-privacy .pp-toc__link:hover {
  color: var(--text-primary);
  border-color: var(--cyan-deep);
}

.page-privacy .pp-toc__link:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

/* ---------- 条款 ---------- */
.page-privacy .pp-article {
  max-width: var(--pp-measure);
  min-width: 0;
}

.page-privacy .pp-clause {
  padding-block: clamp(34px, 5vw, 60px);
  border-top: 1px solid var(--structure);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

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

.page-privacy .pp-clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: 6px 20px;
  margin-bottom: clamp(18px, 2.6vw, 28px);
}

.page-privacy .pp-clause__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1.4rem, 3.8vw, 2rem);
  font-weight: 300;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--index-blue);
}

.page-privacy .pp-clause__title {
  margin: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.45rem, 4vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--pure-white);
}

.page-privacy .pp-clause__anchor {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 400;
  color: var(--structure);
  text-decoration: none;
  opacity: .38;
  transition: opacity 140ms var(--ease-out), color 140ms var(--ease-out);
}

.page-privacy .pp-clause__anchor:hover,
.page-privacy .pp-clause__anchor:focus-visible {
  opacity: 1;
  color: var(--signal-cyan);
}

.page-privacy .pp-clause__anchor:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

.page-privacy .pp-clause__body > p {
  margin: 0 0 1.1em;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-primary);
}

.page-privacy .pp-clause__body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-term {
  border-bottom: 1px solid var(--cyan-deep);
  padding-bottom: 1px;
}

.page-privacy .link-arrow {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(77, 240, 224, .38);
  transition: border-color 140ms var(--ease-out);
}

.page-privacy .link-arrow:hover {
  border-bottom-color: var(--signal-cyan);
}

/* 条目列表 */
.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 1.2em;
  padding: 0;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 12px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-primary);
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .92em;
  width: 12px;
  height: 1px;
  background: var(--cyan-deep);
}

/* 编号步骤 */
.page-privacy .pp-steps {
  list-style: none;
  counter-reset: pp-step;
  margin: 0 0 1.2em;
  padding: 0;
}

.page-privacy .pp-steps > li {
  counter-increment: pp-step;
  position: relative;
  padding-left: 48px;
  margin-bottom: 20px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-primary);
}

.page-privacy .pp-steps > li::before {
  content: counter(pp-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: .34em;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 500;
  color: var(--index-blue);
  letter-spacing: .04em;
}

.page-privacy .pp-steps > li::after {
  content: "";
  position: absolute;
  left: 32px;
  top: 1.05em;
  width: 8px;
  height: 1px;
  background: var(--structure);
}

/* 三类信息 */
.page-privacy .pp-types {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 26px;
}

.page-privacy .pp-type {
  border-left: 1px solid var(--structure);
  padding-left: clamp(16px, 3vw, 26px);
}

.page-privacy .pp-type__tag {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--index-blue);
}

.page-privacy .pp-type__text {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--text-primary);
}

/* 折叠块 */
.page-privacy .pp-fold {
  margin-top: 26px;
  border: 1px solid var(--structure);
  border-radius: var(--radius-md);
  background: var(--deep-field);
  overflow: hidden;
}

.page-privacy .pp-fold__summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  list-style: none;
}

.page-privacy .pp-fold__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-fold__summary::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  margin-top: -3px;
  border-right: 1.5px solid var(--signal-cyan);
  border-bottom: 1.5px solid var(--signal-cyan);
  transform: rotate(45deg);
  transition: transform 180ms var(--ease-out);
}

.page-privacy .pp-fold[open] .pp-fold__summary {
  border-bottom: 1px solid var(--structure);
}

.page-privacy .pp-fold[open] .pp-fold__summary::before {
  transform: rotate(-135deg);
  margin-top: 3px;
}

.page-privacy .pp-fold__summary:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: -3px;
}

.page-privacy .pp-fold__body {
  padding: 18px 20px 20px;
}

.page-privacy .pp-fold__body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

/* 口径备注 */
.page-privacy .pp-note {
  margin: 26px 0 0 !important;
  padding: 16px 20px;
  border-left: 2px solid var(--cyan-deep);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(17, 28, 56, .62);
  font-size: 15px !important;
  line-height: 1.75 !important;
  color: var(--text-secondary) !important;
}

/* ---------- 目录当前项（:target 驱动，无脚本也可用） ---------- */
.page-privacy .pp-body:has(#pp-s01:target) .pp-toc__link[href="#pp-s01"],
.page-privacy .pp-body:has(#pp-s02:target) .pp-toc__link[href="#pp-s02"],
.page-privacy .pp-body:has(#pp-s03:target) .pp-toc__link[href="#pp-s03"],
.page-privacy .pp-body:has(#pp-s04:target) .pp-toc__link[href="#pp-s04"],
.page-privacy .pp-body:has(#pp-s05:target) .pp-toc__link[href="#pp-s05"],
.page-privacy .pp-body:has(#pp-s06:target) .pp-toc__link[href="#pp-s06"],
.page-privacy .pp-body:has(#pp-s07:target) .pp-toc__link[href="#pp-s07"],
.page-privacy .pp-body:has(#pp-s08:target) .pp-toc__link[href="#pp-s08"],
.page-privacy .pp-body:has(#pp-s09:target) .pp-toc__link[href="#pp-s09"] {
  color: var(--signal-cyan);
  border-color: var(--cyan-deep);
}

.page-privacy .pp-body:has(#pp-s01:target) .pp-toc__link[href="#pp-s01"] .pp-toc__num,
.page-privacy .pp-body:has(#pp-s02:target) .pp-toc__link[href="#pp-s02"] .pp-toc__num,
.page-privacy .pp-body:has(#pp-s03:target) .pp-toc__link[href="#pp-s03"] .pp-toc__num,
.page-privacy .pp-body:has(#pp-s04:target) .pp-toc__link[href="#pp-s04"] .pp-toc__num,
.page-privacy .pp-body:has(#pp-s05:target) .pp-toc__link[href="#pp-s05"] .pp-toc__num,
.page-privacy .pp-body:has(#pp-s06:target) .pp-toc__link[href="#pp-s06"] .pp-toc__num,
.page-privacy .pp-body:has(#pp-s07:target) .pp-toc__link[href="#pp-s07"] .pp-toc__num,
.page-privacy .pp-body:has(#pp-s08:target) .pp-toc__link[href="#pp-s08"] .pp-toc__num,
.page-privacy .pp-body:has(#pp-s09:target) .pp-toc__link[href="#pp-s09"] .pp-toc__num {
  color: var(--signal-cyan);
}

/* ---------- 平板以上 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-hero__meta {
    gap: 22px 36px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
    gap: clamp(40px, 6vw, 84px);
    align-items: start;
  }

  .page-privacy .pp-hero__figure {
    aspect-ratio: 3 / 4;
    border-radius: var(--radius-xl);
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-body {
    grid-template-columns: var(--pp-toc-w) minmax(0, 1fr);
    gap: clamp(48px, 7vw, 104px);
    justify-content: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 36px);
    align-self: start;
    overflow: visible;
  }

  .page-privacy .pp-toc__list {
    display: block;
    overflow: visible;
    padding: 4px 0 0;
    border-top: 1px solid var(--structure);
  }

  .page-privacy .pp-toc__item {
    display: block;
  }

  .page-privacy .pp-toc__link {
    display: grid;
    grid-template-columns: 34px minmax(0, 1fr);
    align-items: baseline;
    gap: 0;
    padding: 11px 0;
    border: 0;
    border-bottom: 1px solid rgba(30, 44, 85, .62);
    border-radius: 0;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .pp-toc__link:hover {
    color: var(--text-primary);
    border-bottom-color: var(--cyan-deep);
  }

  .page-privacy .pp-clause__anchor {
    opacity: 0;
  }

  .page-privacy .pp-clause__title:hover .pp-clause__anchor {
    opacity: 1;
    color: var(--signal-cyan);
  }
}

@media (min-width: 1200px) {
  .page-privacy {
    --pp-toc-w: 220px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-toc__num,
  .page-privacy .pp-clause__anchor,
  .page-privacy .pp-fold__summary::before,
  .page-privacy .link-arrow {
    transition: none;
  }
}
<<<END>>>