.page-privacy {
  --pp-measure: 68ch;
  --pp-ink-soft: rgba(11, 15, 18, .80);
  display: block;
  padding-bottom: clamp(48px, 7vw, 96px);
  background: var(--ink);
}

/* ---------- 页首 ---------- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 4.5vw, 56px) 0 clamp(28px, 4.5vw, 52px);
  border-bottom: 1px solid var(--line-dark);
  background:
    radial-gradient(820px 340px at 10% -12%, rgba(53, 224, 214, .17), transparent 68%),
    radial-gradient(660px 300px at 92% 4%, rgba(242, 160, 61, .12), transparent 70%),
    linear-gradient(180deg, var(--ink-2), var(--ink));
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(244, 239, 230, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 239, 230, .045) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .25) 72%, transparent 100%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, .25) 72%, transparent 100%);
}

.page-privacy .pp-hero-inner {
  position: relative;
}

.page-privacy .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 3.5vw, 34px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--gray-soft);
}

.page-privacy .breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--gray);
}

.page-privacy .breadcrumb-link {
  color: var(--gray-soft);
  text-decoration: none;
}

.page-privacy .breadcrumb-link:hover,
.page-privacy .breadcrumb-link:focus-visible {
  color: var(--cyan);
}

.page-privacy .breadcrumb-current {
  color: var(--paper);
}

.page-privacy .pp-eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-privacy .pp-title {
  margin: 0 0 18px;
  max-width: 22ch;
  font-size: clamp(32px, 6vw, 58px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: -.015em;
  color: var(--warm-white);
}

.page-privacy .pp-lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(16px, 1.9vw, 18.5px);
  line-height: 1.8;
  color: rgba(244, 239, 230, .82);
}

.page-privacy .pp-hero-meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
}

.page-privacy .pp-hero-meta > div {
  padding-top: 12px;
  border-top: 1px solid var(--line-dark);
}

.page-privacy .pp-hero-meta dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gray-soft);
}

.page-privacy .pp-hero-meta dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(244, 239, 230, .9);
}

.page-privacy .pp-mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
  color: var(--amber);
}

.page-privacy .pp-hero-frame {
  margin: clamp(28px, 4.5vw, 48px) 0 0;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.page-privacy .pp-hero-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 主体布局 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(32px, 5vw, 60px);
}

/* ---------- 目录侧栏 ---------- */
.page-privacy .pp-toc {
  order: -1;
  padding: 16px 18px;
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  background: rgba(20, 27, 33, .78);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.page-privacy .pp-toc-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--gray-soft);
}

.page-privacy .pp-toc-list {
  display: grid;
  gap: 2px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-toc-list a {
  display: flex;
  gap: 10px;
  padding: 8px 10px 8px 12px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius) var(--radius) 0;
  color: rgba(244, 239, 230, .78);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pp-toc-list a:hover,
.page-privacy .pp-toc-list a:focus-visible {
  color: var(--cyan);
  background: var(--cyan-soft);
  border-left-color: var(--cyan);
}

.page-privacy .pp-toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
}

.page-privacy .pp-toc-list a:hover .pp-toc-num {
  color: var(--cyan);
}

.page-privacy .pp-top {
  display: inline-flex;
  align-items: center;
  margin-top: 14px;
  padding: 9px 14px;
  border: 1px solid var(--line-dark-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-decoration: none;
  transition: color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  color: var(--cyan);
  background: var(--cyan-soft);
  border-color: var(--cyan);
}

/* ---------- 正文纸面 ---------- */
.page-privacy .pp-doc {
  position: relative;
  padding: clamp(22px, 4vw, 56px);
  border-radius: var(--radius-lg);
  background-color: var(--paper);
  background-image: repeating-linear-gradient(180deg, rgba(11, 15, 18, .026) 0 1px, transparent 1px 32px);
  color: var(--ink);
  box-shadow: var(--shadow-paper);
  overflow-wrap: break-word;
}

.page-privacy .pp-doc a {
  color: var(--teal-link);
  text-decoration-color: rgba(14, 110, 104, .38);
  text-underline-offset: 3px;
}

.page-privacy .pp-doc a:hover,
.page-privacy .pp-doc a:focus-visible {
  color: var(--vermilion);
  text-decoration-color: currentColor;
}

.page-privacy .pp-section {
  scroll-margin-top: 96px;
}

.page-privacy .pp-section + .pp-section {
  margin-top: clamp(34px, 5vw, 62px);
  padding-top: clamp(26px, 3.6vw, 44px);
  border-top: 1px solid var(--line-light);
}

.page-privacy .pp-h2 {
  margin: 0 0 16px;
  font-size: clamp(21px, 2.6vw, 29px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.008em;
  color: var(--ink);
}

.page-privacy .pp-num {
  display: inline-block;
  margin-right: 12px;
  padding: 2px 7px;
  vertical-align: 4px;
  border: 1px solid rgba(199, 68, 46, .42);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  color: var(--vermilion);
}

.page-privacy .pp-sub {
  margin: 24px 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .1em;
  color: var(--teal-link);
}

.page-privacy .pp-p {
  max-width: var(--pp-measure);
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--pp-ink-soft);
}

.page-privacy .pp-list {
  display: grid;
  gap: 10px;
  max-width: var(--pp-measure);
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--pp-ink-soft);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 8px;
  height: 8px;
  border: 1.5px solid var(--teal-link);
  border-radius: 1px;
  opacity: .7;
}

.page-privacy .pp-note {
  max-width: var(--pp-measure);
  margin: 18px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--paper-2);
  font-size: 15px;
  line-height: 1.75;
  color: rgba(11, 15, 18, .78);
}

.page-privacy .pp-contact {
  display: grid;
  max-width: var(--pp-measure);
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-light);
}

.page-privacy .pp-contact-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-light);
}

.page-privacy .pp-contact-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--teal-link);
}

.page-privacy .pp-contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
}

.page-privacy .pp-doc-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: 20px;
  border-top: 1px solid var(--line-light);
}

.page-privacy .pp-doc-foot p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: rgba(11, 15, 18, .72);
}

.page-privacy .pp-version {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--gray);
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-privacy .pp-contact-row {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 16px;
  }
}

@media (min-width: 700px) {
  .page-privacy .pp-hero-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(16px, 2.6vw, 32px);
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: clamp(24px, 3vw, 44px);
  }

  .page-privacy .pp-toc {
    order: 0;
    position: sticky;
    top: 88px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc-list a,
  .page-privacy .pp-top {
    transition: none;
  }
}
<<<END>>>