.page-privacy {
  --pp-text: #DDE5F0;
  --pp-muted: #A9B8CD;
  --pp-max: 1180px;
  --pp-card: #1B2A44;
  color: var(--pp-text);
  padding-bottom: 64px;
  background-image:
    linear-gradient(to right, rgba(199, 211, 227, .05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(199, 211, 227, .05) 1px, transparent 1px);
  background-size: 96px 96px;
  background-position: center top;
}

.page-privacy .pp-topbar {
  max-width: var(--pp-max);
  margin: 0 auto;
  padding: 24px var(--gutter) 12px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  max-width: var(--pp-max);
  margin: 0 auto;
  padding: 8px var(--gutter) 0;
}

.page-privacy .pp-hero__grid {
  display: grid;
  gap: 28px;
  align-items: end;
}

.page-privacy .pp-hero__title {
  margin: 12px 0 18px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(2.25rem, 7vw, 4rem);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-privacy .pp-hero__lede {
  max-width: 46ch;
  margin: 0 0 14px;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--pp-text);
}

.page-privacy .pp-hero__note {
  max-width: 46ch;
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--pp-muted);
}

.page-privacy .pp-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair-strong);
  background: var(--ink-2);
  overflow: hidden;
}

.page-privacy .pp-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(61, 224, 255, .14) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(61, 224, 255, .14) 1px, transparent 1px);
  background-size: 44px 44px;
  mix-blend-mode: screen;
}

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

/* ---------- 主体布局 ---------- */
.page-privacy .pp-layout {
  max-width: var(--pp-max);
  margin: 0 auto;
  padding: 40px var(--gutter) 0;
  display: grid;
  gap: 32px;
}

/* ---------- 章节目录 ---------- */
.page-privacy .pp-toc {
  border-top: 1px solid var(--hair-strong);
  padding-top: 16px;
  align-self: start;
}

.page-privacy .pp-toc__k {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--pp-muted);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  color: var(--pp-text);
  text-decoration: none;
  font-size: .9375rem;
  line-height: 1.45;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

.page-privacy .pp-toc__n {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--pp-muted);
  transition: color .18s ease;
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  border-left-color: var(--orange);
  background: rgba(255, 107, 26, .08);
  color: var(--mist);
}

.page-privacy .pp-toc__link:hover .pp-toc__n,
.page-privacy .pp-toc__link:focus-visible .pp-toc__n {
  color: var(--orange);
}

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

.page-privacy .pp-print {
  font: inherit;
  font-size: .875rem;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid var(--hair-strong);
  color: var(--pp-text);
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease;
}

.page-privacy .pp-print:hover {
  border-color: var(--orange);
  color: var(--orange);
}

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

/* ---------- 条款正文 ---------- */
.page-privacy .pp-doc {
  max-width: 760px;
  min-width: 0;
}

.page-privacy .pp-sec {
  padding: 30px 0 6px;
  border-top: 1px solid var(--hair);
}

.page-privacy .pp-sec:first-child {
  border-top: none;
  padding-top: 0;
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.page-privacy .pp-sec__num {
  position: relative;
  padding-left: 26px;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-privacy .pp-sec__num::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 18px;
  height: 1px;
  background: var(--orange);
}

.page-privacy .pp-sec__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 3.4vw, 1.625rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--mist);
}

.page-privacy .pp-sec p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pp-text);
}

.page-privacy .pp-sec a {
  color: var(--cyan-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color .18s ease;
}

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

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

/* ---------- 三类信息卡 ---------- */
.page-privacy .pp-info {
  display: grid;
  gap: 1px;
  margin: 20px 0 22px;
  background: rgba(199, 211, 227, .26);
  border: 1px solid var(--hair-strong);
}

.page-privacy .pp-info__card {
  background: var(--pp-card);
  padding: 20px 18px;
  min-width: 0;
}

.page-privacy .pp-info__k {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--orange-soft);
}

.page-privacy .pp-info__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
}

.page-privacy .pp-info__list li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 8px;
  font-size: .9375rem;
  line-height: 1.7;
  color: var(--pp-text);
}

.page-privacy .pp-info__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .pp-info__use {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--hair);
  font-size: .875rem;
  line-height: 1.7;
  color: var(--pp-muted);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pp-backtop {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--hair-strong);
}

.page-privacy .pp-backtop__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .08em;
  color: var(--pp-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--hair-strong);
  padding-bottom: 3px;
  transition: color .18s ease, border-color .18s ease;
}

.page-privacy .pp-backtop__link:hover {
  color: var(--orange);
  border-color: var(--orange);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-info {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pp-info__card {
    padding: 24px 20px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero {
    padding-top: 20px;
  }

  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
  }

  .page-privacy .pp-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: 64px;
    padding-top: 56px;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: 24px;
    align-self: start;
    max-height: calc(100vh - 48px);
    overflow-y: auto;
  }

  .page-privacy .pp-sec {
    padding-top: 38px;
    margin-bottom: 6px;
  }

  .page-privacy .pp-sec p {
    font-size: 1.0625rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-print,
  .page-privacy .pp-sec a,
  .page-privacy .pp-backtop__link {
    transition: none;
  }
}
<<<END>>>