.page-privacy {
  --pg-rail-w: 216px;
  --pg-sec-gap: clamp(34px, 5vw, 64px);
  display: block;
  background: var(--paper);
  color: var(--text-ink);
  font-family: var(--font-body);
  font-size: var(--fs-16);
  line-height: var(--lh-read);
}

/* ---------- 首屏 ---------- */
.page-privacy .pg-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-deep);
  color: var(--text-on-dark);
  padding: clamp(52px, 8vw, 96px) 0 clamp(76px, 11vw, 136px);
}

.page-privacy .pg-hero-img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-privacy .pg-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(158deg, rgba(8, 23, 38, .58) 0%, rgba(8, 23, 38, .9) 58%, var(--ink-deep) 100%),
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(0deg, var(--grid-line) 0 1px, transparent 1px 40px);
  border-bottom: 2px solid var(--line-strong);
}

.page-privacy .pg-hero-inner {
  max-width: 860px;
}

.page-privacy .breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--text-on-dark-dim);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-privacy .breadcrumb a {
  color: var(--text-on-dark);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-privacy .pg-hero .eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--amber);
  margin-bottom: 14px;
}

.page-privacy .pg-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--paper);
  margin: 0 0 20px;
  max-width: 15em;
}

.page-privacy .pg-hero-lede {
  margin: 0;
  max-width: 36em;
  font-size: var(--fs-16);
  line-height: var(--lh-read);
  color: var(--text-on-dark);
}

.page-privacy .pg-hero-meta {
  margin: 26px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
  font-size: var(--fs-12);
  color: var(--text-on-dark-dim);
}

.page-privacy .pg-hero-meta .mono {
  letter-spacing: .06em;
}

/* ---------- 摘要块 ---------- */
.page-privacy .pg-abstract {
  position: relative;
  margin-top: clamp(-64px, -4vw, -40px);
  z-index: 2;
}

.page-privacy .pg-abstract-box {
  border: 2px solid var(--line-strong);
  background: var(--paper);
  box-shadow: var(--shadow-brutal);
  padding: clamp(20px, 3vw, 34px);
}

.page-privacy .pg-abstract-title {
  font-family: var(--font-heading);
  font-size: var(--fs-20);
  line-height: var(--lh-tight);
  letter-spacing: -.01em;
  color: var(--ink-deep);
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--hair-soft);
}

.page-privacy .pg-abstract-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pg-abstract-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  font-size: var(--fs-16);
  line-height: var(--lh-base);
}

.page-privacy .pg-abstract-list .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--amber);
  padding-top: .35em;
  letter-spacing: .06em;
}

.page-privacy .pg-details {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px dashed var(--hair-soft);
}

.page-privacy .pg-details summary {
  display: inline-block;
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: var(--fs-14);
  color: var(--ink-mid);
  border-bottom: 1px solid var(--amber);
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease);
}

.page-privacy .pg-details summary:hover,
.page-privacy .pg-details summary:focus-visible {
  color: var(--signal);
}

.page-privacy .pg-details[open] summary {
  color: var(--signal);
}

/* ---------- 主布局 ---------- */
.page-privacy .pg-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  padding-top: clamp(44px, 6vw, 76px);
  padding-bottom: clamp(56px, 8vw, 96px);
}

.page-privacy .pg-rail-title {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--slate);
  margin: 0 0 12px;
}

.page-privacy .pg-rail-list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pg-rail-link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--hair-soft);
  background: var(--paper-warm);
  color: var(--text-ink);
  font-family: var(--font-ui);
  font-size: var(--fs-14);
  line-height: var(--lh-tight);
  text-decoration: none;
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-privacy .pg-rail-link .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--slate);
}

.page-privacy .pg-rail-link:hover,
.page-privacy .pg-rail-link:focus-visible {
  border-color: var(--amber);
  background: var(--paper);
  transform: translateX(2px);
}

/* ---------- 章节 ---------- */
.page-privacy .pg-sec {
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 2px solid var(--line-strong);
  scroll-margin-top: calc(var(--header-space) + 28px);
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .pg-sec + .pg-sec {
  margin-top: var(--pg-sec-gap);
}

.page-privacy .pg-sec:target {
  border-top-color: var(--amber);
}

.page-privacy .pg-sec-head {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  margin-bottom: 10px;
}

.page-privacy .pg-sec-num {
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: .08em;
  color: var(--amber);
  padding-top: .45em;
}

.page-privacy .pg-sec h2 {
  font-family: var(--font-heading);
  font-size: clamp(21px, 2.7vw, 28px);
  line-height: var(--lh-tight);
  letter-spacing: -.01em;
  color: var(--ink-deep);
  margin: 0;
}

.page-privacy .pg-sec-lede {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 38em;
  font-size: var(--fs-16);
  line-height: var(--lh-read);
  color: var(--text-muted);
}

.page-privacy .pg-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .pg-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pg-item h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-16);
  line-height: var(--lh-tight);
  letter-spacing: .01em;
  color: var(--ink-mid);
  margin: 0 0 10px;
}

.page-privacy .pg-item p {
  margin: 0 0 12px;
  max-width: 38em;
  font-size: var(--fs-16);
  line-height: var(--lh-read);
}

.page-privacy .pg-item p:last-child {
  margin-bottom: 0;
}

.page-privacy .pg-item a {
  color: var(--ink-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--amber);
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pg-item a:hover,
.page-privacy .pg-item a:focus-visible {
  color: var(--signal);
  background: rgba(242, 98, 46, .08);
}

.page-privacy .pg-ticks {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .pg-ticks li {
  position: relative;
  padding-left: 24px;
  max-width: 38em;
  font-size: var(--fs-16);
  line-height: var(--lh-base);
}

.page-privacy .pg-ticks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 12px;
  height: 2px;
  background: var(--amber);
}

.page-privacy .pg-details .pg-ticks {
  margin-top: 14px;
}

.page-privacy .pg-callout {
  margin-top: 16px !important;
  padding: 14px 18px;
  border-left: 4px solid var(--amber);
  background: var(--paper-warm);
  color: var(--ink-deep);
}

.page-privacy .pg-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pg-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: baseline;
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: var(--lh-base);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .pg-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pg-steps .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .04em;
  color: var(--signal);
  white-space: nowrap;
}

.page-privacy .pg-contact {
  display: grid;
  gap: 10px;
  margin-top: 14px;
  border: 2px solid var(--line-strong);
  background: var(--ink-mid);
  color: var(--text-on-dark);
  padding: 18px 20px;
}

.page-privacy .pg-contact p {
  margin: 0;
  max-width: none;
  font-size: var(--fs-16);
  line-height: var(--lh-base);
  word-break: break-word;
}

.page-privacy .pg-contact .mono {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .06em;
  color: var(--amber);
  margin-right: 10px;
}

/* ---------- 收尾 ---------- */
.page-privacy .pg-outro {
  background: var(--paper-warm);
  border-top: 2px solid var(--line-strong);
  padding: clamp(38px, 5vw, 64px) 0 clamp(52px, 7vw, 84px);
}

.page-privacy .pg-outro h2 {
  font-family: var(--font-heading);
  font-size: var(--fs-20);
  line-height: var(--lh-tight);
  letter-spacing: -.01em;
  color: var(--ink-deep);
  margin: 0 0 20px;
}

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

.page-privacy .pg-links a {
  display: block;
  padding: 15px 16px;
  border: 1px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-deep);
  font-family: var(--font-ui);
  font-size: var(--fs-14);
  line-height: var(--lh-tight);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-privacy .pg-links a:hover,
.page-privacy .pg-links a:focus-visible {
  border-color: var(--amber);
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

/* ---------- 浮动锚点 ---------- */
.page-privacy .pg-toplink {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border: 2px solid var(--line-strong);
  background: var(--paper);
  color: var(--ink-deep);
  font-family: var(--font-ui);
  font-size: var(--fs-12);
  line-height: 1;
  text-decoration: none;
  box-shadow: var(--shadow-soft);
  transition: background-color var(--dur) var(--ease), transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-privacy .pg-toplink .mono {
  font-family: var(--font-mono);
}

.page-privacy .pg-toplink:hover,
.page-privacy .pg-toplink:focus-visible {
  background: var(--amber);
  transform: translate(-2px, -2px);
  box-shadow: 5px 5px 0 rgba(15, 28, 41, .85);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .pg-abstract-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 28px;
  }

  .page-privacy .pg-links {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pg-layout {
    grid-template-columns: var(--pg-rail-w) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
  }

  .page-privacy .pg-rail-inner {
    position: sticky;
    top: calc(var(--header-space) + 22px);
  }

  .page-privacy .pg-rail-list {
    flex-direction: column;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pg-rail-link {
    width: 100%;
    padding: 10px 12px;
  }

  .page-privacy .pg-rail-link .mono {
    min-width: 2.2em;
  }

  .page-privacy .pg-sec-head {
    gap: 18px;
  }
}

@media (min-width: 1100px) {
  .page-privacy .pg-abstract-box {
    padding: 34px 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pg-rail-link,
  .page-privacy .pg-links a,
  .page-privacy .pg-toplink,
  .page-privacy .pg-item a,
  .page-privacy .breadcrumb a,
  .page-privacy .pg-sec {
    transition: none;
  }

  .page-privacy .pg-rail-link:hover,
  .page-privacy .pg-rail-link:focus-visible,
  .page-privacy .pg-links a:hover,
  .page-privacy .pg-links a:focus-visible,
  .page-privacy .pg-toplink:hover,
  .page-privacy .pg-toplink:focus-visible {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>