.page-privacy {
  --pv-rule: rgba(36, 28, 21, 0.16);
  --pv-rule-soft: rgba(36, 28, 21, 0.09);
  --pv-text: #3A2F26;
  --pv-text-soft: #6B5D51;
  background: var(--paper);
  color: var(--brown);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* 页首细线 */
.page-privacy .pv-hairline {
  height: 2px;
  background: linear-gradient(90deg, var(--lime) 0%, rgba(184, 255, 60, 0.28) 44%, rgba(184, 255, 60, 0) 100%);
}

/* 面包屑 */
.page-privacy .breadcrumb {
  margin: 22px 0 0;
}

/* 页首 */
.page-privacy .pv-hero {
  padding: clamp(22px, 4vw, 44px) 0 clamp(24px, 4vw, 44px);
}

.page-privacy .pv-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--brand);
}

.page-privacy .pv-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.9rem, 5.2vw, 3.5rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
  color: var(--brown);
  max-width: 22em;
}

.page-privacy .pv-hero__lede {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.85;
  color: var(--pv-text);
}

.page-privacy .pv-figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

.page-privacy .pv-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  object-fit: cover;
}

/* 主体两栏 */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 52px);
  align-items: start;
  min-width: 0;
}

/* 锚点目录 */
.page-privacy .pv-toc {
  min-width: 0;
}

.page-privacy .pv-toc__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--graphite);
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-toc__list li {
  border-top: 1px solid var(--pv-rule-soft);
}

.page-privacy .pv-toc__list li:last-child {
  border-bottom: 1px solid var(--pv-rule-soft);
}

.page-privacy .pv-toc__list a {
  display: block;
  padding: 10px 4px 10px 12px;
  border-left: 2px solid transparent;
  font-size: 0.92rem;
  line-height: 1.5;
  color: var(--pv-text);
  text-decoration: none;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  color: var(--brand);
  border-left-color: var(--brand);
}

.page-privacy .pv-toc__list a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* 正文区 */
.page-privacy .pv-doc {
  min-width: 0;
  max-width: 42rem;
}

/* 章节折叠项 */
.page-privacy .pv-item {
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: 96px;
}

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

.page-privacy .pv-item > summary {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: clamp(18px, 2.6vw, 26px) 0;
  cursor: pointer;
  list-style: none;
}

.page-privacy .pv-item > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-item__no {
  flex: 0 0 2rem;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--brand);
}

.page-privacy .pv-item__head {
  flex: 1 1 auto;
  display: grid;
  gap: 5px;
  min-width: 0;
}

.page-privacy .pv-item__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.12rem, 2.4vw, 1.42rem);
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--brown);
  transition: color 140ms var(--ease);
}

.page-privacy .pv-item__hint {
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--pv-text-soft);
}

.page-privacy .pv-item > summary::after {
  content: "+";
  flex: 0 0 auto;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--graphite);
  transition: color 140ms var(--ease);
}

.page-privacy .pv-item[open] > summary::after {
  content: "\2212";
  color: var(--brand);
}

.page-privacy .pv-item > summary:hover .pv-item__title {
  color: var(--brand);
}

.page-privacy .pv-item > summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 4px;
  border-radius: var(--radius-sm);
}

.page-privacy .pv-item:target {
  border-top-color: var(--brand);
}

.page-privacy .pv-item:target .pv-item__title {
  color: var(--brand);
}

.page-privacy .pv-item__body {
  padding: 0 0 clamp(22px, 3vw, 32px) 0;
}

/* 文本元素 */
.page-privacy .pv-p {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pv-text);
}

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

.page-privacy .pv-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-list:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
  font-size: 0.98rem;
  line-height: 1.82;
  color: var(--pv-text);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--brand);
}

.page-privacy strong {
  color: var(--brown);
  font-weight: 700;
}

.page-privacy .pv-mono {
  font-family: var(--font-mono);
  font-size: 0.94em;
  font-weight: 700;
  color: var(--brand);
  word-break: break-all;
  overflow-wrap: anywhere;
}

/* 定义列表 */
.page-privacy .pv-def {
  margin: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .pv-def__row {
  border-left: 2px solid rgba(14, 122, 74, 0.35);
  padding-left: 14px;
}

.page-privacy .pv-def__row dt {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--brown);
}

.page-privacy .pv-def__row dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--pv-text);
}

/* 正文内链接 */
.page-privacy .pv-doc a {
  color: var(--brand);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 140ms var(--ease), text-decoration-thickness 140ms var(--ease);
}

.page-privacy .pv-doc a:hover {
  color: var(--brand-deep);
  text-decoration-thickness: 3px;
}

.page-privacy .pv-doc a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
}

/* 回到顶部 */
.page-privacy .pv-doc .pv-totop {
  display: inline-block;
  margin-top: clamp(26px, 4vw, 40px);
  padding-bottom: 3px;
  border-bottom: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--brand);
  text-decoration: none;
  transition: color 140ms var(--ease);
}

.page-privacy .pv-doc .pv-totop:hover {
  color: var(--brand-deep);
  text-decoration: none;
}

/* 桌面：左侧目录固定 */
@media (min-width: 960px) {
  .page-privacy .pv-body {
    grid-template-columns: 232px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 80px);
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 92px;
  }
}

/* 平板及以上：正文与编号列对齐 */
@media (min-width: 700px) {
  .page-privacy .pv-item__body {
    padding-left: calc(2rem + 16px);
  }
}

/* 窄屏微调 */
@media (max-width: 560px) {
  .page-privacy .pv-item > summary {
    gap: 12px;
  }

  .page-privacy .pv-item__no {
    flex-basis: 1.7rem;
    font-size: 0.72rem;
  }

  .page-privacy .pv-hero__title {
    letter-spacing: -0.02em;
  }
}