.page-privacy {
  --pv-line: rgba(10, 20, 17, 0.14);
  --pv-line-soft: rgba(10, 20, 17, 0.08);
  background: var(--ink);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: calc(var(--bar-h) + clamp(26px, 6vw, 54px)) clamp(30px, 6vw, 54px);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pv-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}

.page-privacy .pv-hero__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-privacy .pv-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--ink);
  opacity: 0.7;
}

.page-privacy .pv-hero__inner {
  display: grid;
  gap: clamp(14px, 2.6vw, 22px);
  max-width: 880px;
}

.page-privacy .pv-crumb {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text);
  opacity: 0.6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-privacy .pv-crumb a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-privacy .pv-crumb a:hover,
.page-privacy .pv-crumb a:focus-visible {
  border-bottom-color: var(--signal);
  color: var(--signal);
}

.page-privacy .pv-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text);
}

.page-privacy .pv-hero__lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(0.9375rem, 1.6vw, 1.0625rem);
  line-height: 1.75;
  color: var(--text);
  opacity: 0.82;
}

.page-privacy .pv-hero__meta {
  list-style: none;
  margin: clamp(10px, 2vw, 18px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-privacy .pv-hero__meta li {
  background: var(--ink);
  padding: 12px 14px;
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-privacy .pv-hero__k {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.12em;
  color: var(--signal);
}

.page-privacy .pv-hero__v {
  font-size: 0.875rem;
  line-height: 1.55;
  color: var(--text);
  opacity: 0.85;
  overflow-wrap: anywhere;
}

/* ---------- 正文页块 ---------- */
.page-privacy .pv-sheet {
  background: var(--paper);
  color: var(--ink);
  padding-block: clamp(26px, 5vw, 52px) clamp(40px, 7vw, 84px);
}

.page-privacy .pv-sheet__inner {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

/* ---------- 侧边章节目录 ---------- */
.page-privacy .pv-toc {
  background: var(--moss);
  border: 1px solid var(--line);
  padding: 16px 14px 18px;
  align-self: start;
}

.page-privacy .pv-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--signal);
  opacity: 0.8;
}

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

.page-privacy .pv-toc__link {
  display: grid;
  grid-template-columns: 2em minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
  padding: 8px 8px 8px 10px;
  border-left: 2px solid transparent;
  color: var(--text);
  text-decoration: none;
  font-size: 0.8125rem;
  line-height: 1.5;
  transition: border-color 120ms linear, background 120ms linear, color 120ms linear;
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  border-left-color: var(--signal);
  background: rgba(44, 232, 196, 0.09);
  color: #ffffff;
  outline: none;
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--signal);
  opacity: 0.7;
}

/* ---------- 文档正文 ---------- */
.page-privacy .pv-doc {
  max-width: 68ch;
  min-width: 0;
}

.page-privacy .pv-sec {
  padding-block: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--pv-line);
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

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

.page-privacy .pv-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 14px;
  align-items: baseline;
}

.page-privacy .pv-sec__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--graphite);
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(1.125rem, 2.4vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--ink);
}

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

.page-privacy .pv-item {
  display: grid;
  grid-template-columns: 2.2em minmax(0, 1fr);
  gap: 10px;
  padding-left: 12px;
  border-left: 1px solid var(--pv-line-soft);
}

.page-privacy .pv-item__num {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  line-height: 2;
  color: var(--graphite);
  letter-spacing: 0.04em;
}

.page-privacy .pv-item__text {
  margin: 0;
  font-size: clamp(0.9375rem, 1.3vw, 1.0625rem);
  line-height: 1.8;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 相关入口 ---------- */
.page-privacy .pv-links {
  margin-top: clamp(22px, 4vw, 34px);
  display: grid;
  gap: 1px;
  background: var(--pv-line);
  border: 1px solid var(--pv-line);
}

.page-privacy .pv-links__item {
  display: grid;
  gap: 4px;
  padding: 12px 14px;
  background: var(--paper);
  text-decoration: none;
  color: var(--ink);
  transition: background 120ms linear;
}

.page-privacy .pv-links__item:hover,
.page-privacy .pv-links__item:focus-visible {
  background: #e6eae2;
  outline: 2px solid var(--signal);
  outline-offset: -2px;
}

.page-privacy .pv-links__k {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-privacy .pv-links__v {
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--graphite);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pv-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: clamp(22px, 4vw, 34px);
  padding: 9px 16px;
  border: 1px solid var(--ink);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background 120ms linear, color 120ms linear;
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible {
  background: var(--pace);
  border-color: var(--pace);
  color: var(--ink);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pv-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-privacy .pv-sheet__inner {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

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

  .page-privacy .pv-toc__link {
    font-size: 0.875rem;
  }
}

@media (max-width: 380px) {
  .page-privacy .pv-item {
    grid-template-columns: 1.9em minmax(0, 1fr);
    gap: 8px;
    padding-left: 8px;
  }
}