.page-privacy {
  --pp-rule: rgba(23, 50, 79, 0.22);
  --pp-body-text: #0c2038;
  background: var(--ink-950);
  color: var(--paper-100);
  font-family: var(--font-body);
}

/* ---------- 首屏框景 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 4.5vw, 44px) 0 clamp(28px, 4.5vw, 52px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(45, 125, 255, 0.2), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-950));
  border-bottom: 1px solid var(--line-700);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(90deg, var(--line-700) 1px, transparent 1px),
    linear-gradient(180deg, var(--line-700) 1px, transparent 1px);
  background-size: 104px 104px;
  opacity: 0.16;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 88%);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(233, 240, 248, 0.05) 0 1px, transparent 1px 7px);
  opacity: 0.5;
  pointer-events: none;
  animation: pp-scan 12s linear infinite;
}

@keyframes pp-scan {
  from { transform: translateY(0); }
  to { transform: translateY(7px); }
}

.page-privacy .pp-hero .container {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0 0 clamp(20px, 4vw, 36px);
  padding: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-privacy .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--steel-400);
}

.page-privacy .breadcrumb__link {
  color: var(--steel-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-privacy .breadcrumb__link:hover,
.page-privacy .breadcrumb__link:focus-visible {
  color: var(--paper-100);
  border-bottom-color: var(--amber-500);
}

.page-privacy .breadcrumb__sep {
  color: var(--line-700);
}

.page-privacy .pp-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 4vw, 44px);
  align-items: start;
}

.page-privacy .pp-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--amber-500);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-privacy .pp-hero__eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--amber-500);
}

.page-privacy .pp-hero h1 {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper-100);
}

.page-privacy .pp-hero__lede {
  max-width: 40em;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--steel-400);
}

.page-privacy .pp-figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-700);
  border-radius: 2px;
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-privacy .pp-hero__index-label {
  margin: clamp(28px, 4vw, 44px) 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--steel-400);
}

.page-privacy .pp-hero__index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 18px;
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-700);
}

.page-privacy .pp-hero__index a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-700);
  color: var(--paper-100);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease);
}

.page-privacy .pp-hero__index a .mono {
  font-size: 11px;
  color: var(--amber-500);
  letter-spacing: 0.06em;
}

.page-privacy .pp-hero__index a:hover,
.page-privacy .pp-hero__index a:focus-visible {
  color: var(--amber-500);
  border-bottom-color: var(--amber-500);
}

/* ---------- 浅色阅读区 ---------- */
.page-privacy .pp-doc {
  background: var(--paper-100);
  color: var(--pp-body-text);
  padding: clamp(28px, 4.5vw, 60px) 0 clamp(44px, 6vw, 84px);
}

.page-privacy .pp-doc__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}

.page-privacy .pp-toc {
  border: 1px solid var(--pp-rule);
  border-radius: 2px;
  padding: 16px 18px 18px;
  background: rgba(255, 255, 255, 0.55);
}

.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: #4a688c;
}

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

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 6px 0 6px 12px;
  border-left: 2px solid var(--pp-rule);
  color: var(--ink-800);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}

.page-privacy .pp-toc__link .mono {
  font-size: 11px;
  color: var(--amber-700);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  border-left-color: var(--blue-500);
  color: var(--blue-700);
  background: rgba(45, 125, 255, 0.06);
}

.page-privacy .pp-toc__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--pp-rule);
  font-size: 12px;
  line-height: 1.7;
  color: #4a688c;
}

.page-privacy .pp-articles {
  min-width: 0;
  max-width: 720px;
}

.page-privacy .pp-sec {
  border-top: 1px solid var(--pp-rule);
  padding-top: clamp(18px, 2.6vw, 26px);
  margin-top: clamp(26px, 4vw, 42px);
}

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

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pp-sec__no {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber-700);
  padding-bottom: 2px;
  border-bottom: 2px solid var(--amber-700);
}

.page-privacy .pp-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.2vw, 31px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--ink-950);
}

.page-privacy .pp-sec h3 {
  margin: 24px 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 1.8vw, 18px);
  line-height: 1.5;
  color: var(--ink-950);
}

.page-privacy .pp-sec h3:first-of-type {
  margin-top: 16px;
}

.page-privacy .pp-sec p {
  margin: 0 0 14px;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.85;
  color: var(--pp-body-text);
}

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

.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 22px;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.8;
  color: var(--pp-body-text);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.86em;
  width: 9px;
  height: 2px;
  background: var(--blue-500);
}

.page-privacy .pp-list strong {
  font-weight: 700;
  color: var(--ink-950);
}

.page-privacy .pp-note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--blue-500);
  background: rgba(45, 125, 255, 0.08);
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-privacy .pp-link {
  color: var(--blue-700);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--ease);
  word-break: break-word;
}

.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  color: var(--amber-700);
}

.page-privacy .pp-contact {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pp-rule);
}

.page-privacy .pp-contact li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pp-rule);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-950);
}

.page-privacy .pp-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #4a688c;
}

/* ---------- 深色尾块 ---------- */
.page-privacy .pp-outro {
  background: linear-gradient(180deg, var(--ink-950), var(--ink-900));
  border-top: 1px solid var(--line-700);
  padding: clamp(32px, 5vw, 64px) 0;
  color: var(--paper-100);
}

.page-privacy .pp-outro__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-privacy .pp-outro__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--amber-500);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
}

.page-privacy .pp-outro__eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--amber-500);
}

.page-privacy .pp-outro h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--paper-100);
}

.page-privacy .pp-outro__copy p {
  max-width: 36em;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--steel-400);
}

.page-privacy .pp-outro__links {
  border-top: 1px solid var(--line-700);
  padding-top: 16px;
}

.page-privacy .pp-outro__links-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--steel-400);
}

.page-privacy .pp-outro__links ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .pp-outro__links a {
  display: block;
  padding: 11px 0 11px 14px;
  border-bottom: 1px solid var(--line-700);
  border-left: 1px solid transparent;
  color: var(--paper-100);
  font-size: 14px;
  line-height: 1.6;
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), padding-left var(--ease);
}

.page-privacy .pp-outro__links a:hover,
.page-privacy .pp-outro__links a:focus-visible {
  border-left-color: var(--amber-500);
  padding-left: 18px;
  color: var(--amber-500);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .pp-top {
  position: fixed;
  right: clamp(12px, 3vw, 26px);
  bottom: clamp(14px, 3vw, 26px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line-700);
  border-radius: 2px;
  background: var(--ink-900);
  color: var(--paper-100);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease);
}

.page-privacy .pp-top::before {
  content: "↑";
  color: var(--amber-500);
  font-size: 12px;
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  border-color: var(--amber-500);
  color: var(--amber-500);
}

.page-privacy a:focus-visible,
.page-privacy .pp-toc__link:focus-visible {
  outline: 2px solid var(--blue-500);
  outline-offset: 2px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 620px) {
  .page-privacy .pp-hero__index {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 22px;
  }

  .page-privacy .pp-contact li {
    grid-template-columns: 120px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 880px) {
  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-privacy .pp-doc__inner {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4.5vw, 64px);
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: 24px;
  }

  .page-privacy .pp-outro__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-privacy .pp-doc__inner {
    grid-template-columns: 260px minmax(0, 720px);
    justify-content: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-hero::after {
    animation: none;
  }

  .page-privacy .pp-outro__links a,
  .page-privacy .pp-toc__link,
  .page-privacy .pp-hero__index a,
  .page-privacy .pp-top {
    transition: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #fff;
    color: #000;
  }

  .page-privacy .pp-hero {
    background: #fff;
    border-bottom: 1px solid #999;
  }

  .page-privacy .pp-hero::before,
  .page-privacy .pp-hero::after {
    display: none;
  }

  .page-privacy .pp-hero h1,
  .page-privacy .pp-hero__lede,
  .page-privacy .pp-hero__index a,
  .page-privacy .pp-outro h2,
  .page-privacy .pp-outro__copy p,
  .page-privacy .pp-outro__links a {
    color: #000;
  }

  .page-privacy .pp-figure {
    display: none;
  }

  .page-privacy .pp-doc {
    background: #fff;
    padding: 12px 0;
  }

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

  .page-privacy .pp-toc,
  .page-privacy .pp-top,
  .page-privacy .pp-outro__links,
  .page-privacy .pp-outro .btn {
    display: none;
  }

  .page-privacy .pp-articles {
    max-width: none;
  }

  .page-privacy .pp-sec {
    break-inside: avoid;
    border-top: 1px solid #bbb;
  }

  .page-privacy .pp-outro {
    background: #fff;
    border-top: 1px solid #999;
  }
}
<<<END>>>