.page-privacy {
  --pv-gutter: clamp(20px, 4vw, 48px);
  position: relative;
  background-color: var(--warm);
  background-image:
    linear-gradient(to right, rgba(13, 27, 51, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(13, 27, 51, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .crumbs {
  padding-top: clamp(18px, 3vw, 32px);
  font-size: var(--fs-14);
  color: var(--slate);
}

.page-privacy .crumbs a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.page-privacy .crumbs a:hover,
.page-privacy .crumbs a:focus-visible {
  color: var(--ink);
  border-bottom-color: var(--red);
}

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: clamp(20px, 3vw, 36px);
}

.page-privacy .pv-main {
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  border-top: 6px solid var(--ink);
  padding-top: 22px;
  margin-bottom: clamp(26px, 4vw, 40px);
}

.page-privacy .pv-title {
  margin: 10px 0 18px;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-privacy .pv-lede {
  margin: 0 0 22px;
  max-width: 60ch;
  font-size: var(--fs-18);
  line-height: 1.75;
  color: var(--ink-2);
}

.page-privacy .pv-hero-points {
  margin: 0;
  display: grid;
  gap: 8px;
  font-size: var(--fs-16);
  line-height: 1.7;
  color: var(--ink-2);
}

.page-privacy .pv-figure {
  margin: 0 0 clamp(28px, 5vw, 48px);
}

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

/* ---------- 章节 ---------- */
.page-privacy .pv-sec {
  position: relative;
  padding: clamp(24px, 4vw, 36px) 0 clamp(24px, 4vw, 36px) 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-sec::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(30px, 4.5vw, 44px);
  bottom: clamp(30px, 4.5vw, 44px);
  width: 3px;
  background: var(--line);
}

.page-privacy .pv-sec:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-sec-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px 14px;
  margin-bottom: 18px;
}

.page-privacy .pv-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: var(--fs-18);
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--red);
}

.page-privacy .pv-sec-title {
  margin: 0;
  font-size: clamp(1.375rem, 4vw, 1.75rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 2px solid var(--line);
  display: grid;
  gap: 14px;
}

.page-privacy .pv-item {
  position: relative;
  font-size: var(--fs-16);
  line-height: 1.75;
  color: var(--ink-2);
}

.page-privacy .pv-item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 0.78em;
  width: 10px;
  height: 2px;
  background: var(--red);
}

.page-privacy .pv-kw {
  font-weight: 700;
  color: var(--ink);
  border-bottom: 2px solid rgba(226, 55, 43, 0.45);
}

.page-privacy .pv-item .mono {
  display: inline-block;
  padding: 0 2px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
  background: rgba(22, 224, 206, 0.14);
}

.page-privacy .path {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--ink);
  border-bottom: 3px solid var(--cyan);
}

.page-privacy .pv-note {
  margin: 18px 0 0;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--slate);
}

/* ---------- 延伸入口 ---------- */
.page-privacy .pv-more {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  padding-top: clamp(24px, 4vw, 36px);
}

.page-privacy .pv-more-link {
  display: inline-block;
  padding: 10px 18px;
  border: 2px solid var(--ink);
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  background: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% 72%, calc(100% - 12px) 100%, 0 100%);
  transition: background-color 160ms var(--ease), color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .pv-more-link:hover,
.page-privacy .pv-more-link:focus-visible {
  background: var(--red);
  border-color: var(--red);
  color: var(--paper);
}

/* ---------- 侧栏章节目录 ---------- */
.page-privacy .pv-side {
  min-width: 0;
}

.page-privacy .pv-toc {
  border-top: 4px solid var(--ink);
  padding-top: 14px;
}

.page-privacy .pv-toc .toc-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate);
}

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

.page-privacy .pv-toc .toc-link {
  display: block;
  padding: 8px 10px;
  border-left: 2px solid var(--line);
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--slate);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .pv-toc .toc-link:hover,
.page-privacy .pv-toc .toc-link:focus-visible {
  color: var(--ink);
  border-left-color: var(--cyan-deep);
  background: rgba(22, 224, 206, 0.1);
}

.page-privacy .pv-toc .toc-link[aria-current="true"] {
  color: var(--ink);
  font-weight: 700;
  border-left-color: var(--red);
  background: rgba(226, 55, 43, 0.07);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .return-top {
  font-family: var(--font-sans);
  font-weight: 700;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-privacy .pv-sec {
    padding-left: 28px;
  }

  .page-privacy .pv-list {
    padding-left: 22px;
  }

  .page-privacy .pv-item::before {
    left: -22px;
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 720px) 224px;
    justify-content: center;
    gap: clamp(40px, 5vw, 64px);
    align-items: start;
  }

  .page-privacy .pv-side {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }
}

@media (max-width: 560px) {
  .page-privacy .path {
    white-space: normal;
    display: inline;
  }

  .page-privacy .pv-more-link {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-more-link,
  .page-privacy .pv-toc .toc-link {
    transition: none;
  }
}
<<<END>>>