.page-privacy {
  --prv-measure: 72ch;
  --prv-line: 1px solid color-mix(in srgb, var(--cyan) 30%, transparent);
  position: relative;
  padding-block: clamp(24px, 5vw, 56px) clamp(56px, 9vw, 112px);
  overflow-x: clip;
}

.page-privacy .prv-wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* 面包屑 */
.page-privacy .prv-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 40px);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--rock);
}

.page-privacy .prv-crumbs a {
  color: var(--rock);
  text-decoration: none;
  border-bottom: 1px dashed color-mix(in srgb, var(--cyan) 45%, transparent);
}

.page-privacy .prv-crumbs a:hover,
.page-privacy .prv-crumbs a:focus-visible {
  color: var(--cyan);
}

/* 首屏 */
.page-privacy .prv-hero {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  padding-top: clamp(18px, 3vw, 30px);
  border-top: 2px solid var(--steel);
}

.page-privacy .prv-hero__title {
  margin: 10px 0 0;
  font-family: var(--sans);
  font-size: clamp(29px, 6.6vw, 56px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.012em;
  color: var(--milk);
}

.page-privacy .prv-hero__lede {
  max-width: 56ch;
  margin: 18px 0 0;
  color: var(--rock);
}

.page-privacy .prv-meta {
  margin: 0;
  padding-left: 16px;
  border-left: 2px solid var(--steel);
  display: grid;
  gap: 10px;
  font-size: 13px;
}

.page-privacy .prv-meta__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 8px;
  border-bottom: 1px dotted color-mix(in srgb, var(--steel) 90%, transparent);
}

.page-privacy .prv-meta dt {
  color: var(--rock);
  letter-spacing: 0.08em;
  flex: none;
}

.page-privacy .prv-meta dd {
  margin: 0;
  color: var(--milk);
  font-family: var(--mono);
  text-align: right;
}

/* 章节目录 */
.page-privacy .prv-toc {
  margin-top: clamp(28px, 5vw, 50px);
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid var(--steel);
  background: color-mix(in srgb, var(--ink-800) 80%, transparent);
}

.page-privacy .prv-toc__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--rock);
}

.page-privacy .prv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  grid-template-columns: 1fr;
}

.page-privacy .prv-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--steel);
  color: var(--milk);
  font-size: 15px;
  text-decoration: none;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.page-privacy .prv-toc__list a:hover,
.page-privacy .prv-toc__list a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-privacy .prv-toc__list .mono {
  flex: none;
  font-size: 12px;
  color: var(--cyan);
}

/* 章节 */
.page-privacy .prv-sec {
  margin-top: clamp(38px, 7vw, 72px);
  padding-top: clamp(18px, 3vw, 28px);
  border-top: var(--prv-line);
  scroll-margin-top: 132px;
}

.page-privacy .prv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-privacy .prv-sec__num {
  flex: none;
  padding: 2px 7px;
  border: 1px solid color-mix(in srgb, var(--cyan) 42%, transparent);
  color: var(--cyan);
  font-size: 13px;
  line-height: 1.3;
}

.page-privacy .prv-sec__title {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(20px, 3.4vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--milk);
}

.page-privacy .prv-sec__body {
  max-width: var(--prv-measure);
  margin-top: 18px;
}

.page-privacy .prv-sec__body p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--milk);
}

.page-privacy .prv-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: var(--prv-measure);
}

.page-privacy .prv-list li {
  position: relative;
  padding-left: 26px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--milk);
}

.page-privacy .prv-list li::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 0.78em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  transform: translateY(-50%) rotate(45deg);
}

.page-privacy .prv-term {
  border-bottom: 1px dashed color-mix(in srgb, var(--cyan) 60%, transparent);
  padding-bottom: 1px;
}

.page-privacy .prv-note {
  max-width: var(--prv-measure);
  margin: 0 0 18px;
  padding: 14px 16px;
  border-left: 2px solid var(--gold);
  background: color-mix(in srgb, var(--ink-800) 86%, transparent);
  font-size: 15px;
  line-height: 1.85;
  color: var(--milk);
}

.page-privacy .prv-jump {
  max-width: var(--prv-measure);
  margin: 6px 0 0;
}

.page-privacy .prv-jump a {
  color: var(--cyan);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--cyan) 45%, transparent);
  padding-bottom: 2px;
}

.page-privacy .prv-jump a:hover,
.page-privacy .prv-jump a:focus-visible {
  color: var(--milk);
  border-color: var(--milk);
}

/* 图片 */
.page-privacy .prv-figure {
  margin: clamp(22px, 4vw, 34px) 0 0;
  max-width: 100%;
  border: 2px solid var(--steel);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

.page-privacy .prv-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-privacy .prv-figure .figure__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--steel);
  font-size: 13px;
  line-height: 1.7;
  color: var(--rock);
}

/* 展开块 */
.page-privacy .prv-details {
  max-width: var(--prv-measure);
  margin: 0 0 16px;
  border: 1px solid var(--steel);
  background: color-mix(in srgb, var(--ink-800) 60%, transparent);
}

.page-privacy .prv-details summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-privacy .prv-details summary::-webkit-details-marker {
  display: none;
}

.page-privacy .prv-details summary::before {
  content: "+";
  font-family: var(--mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-privacy .prv-details[open] summary::before {
  content: "–";
}

.page-privacy .prv-details summary:hover,
.page-privacy .prv-details summary:focus-visible {
  background: color-mix(in srgb, var(--steel) 50%, transparent);
}

.page-privacy .prv-details > div {
  padding: 2px 16px 16px;
}

.page-privacy .prv-details > div p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--rock);
}

.page-privacy .prv-details > div p:last-child {
  margin-bottom: 0;
}

/* 修订记录 */
.page-privacy .prv-log {
  list-style: none;
  margin: clamp(22px, 4vw, 34px) 0 0;
  padding: 0;
  max-width: var(--prv-measure);
}

.page-privacy .prv-log__row {
  position: relative;
  padding: 16px 0 18px 20px;
  border-left: 1px solid var(--steel);
}

.page-privacy .prv-log__row::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 24px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-privacy .prv-log__head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-privacy .prv-log__date {
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--rock);
}

.page-privacy .prv-log__text p {
  margin: 8px 0 10px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--milk);
}

.page-privacy .prv-log .prv-details {
  margin-bottom: 0;
}

/* 相关页面 */
.page-privacy .prv-next {
  margin-top: clamp(44px, 7vw, 80px);
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 2px solid var(--steel);
}

.page-privacy .prv-next__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--rock);
}

.page-privacy .prv-next__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .prv-next__list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--steel);
  color: var(--milk);
  font-size: 16px;
  text-decoration: none;
  transition: color 0.15s ease, padding-left 0.15s ease;
}

.page-privacy .prv-next__list a:hover,
.page-privacy .prv-next__list a:focus-visible {
  color: var(--cyan);
  padding-left: 8px;
}

.page-privacy .prv-next__hint {
  font-size: 13px;
  color: var(--rock);
}

/* 断点 */
@media (min-width: 640px) {
  .page-privacy .prv-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
  }
}

@media (min-width: 900px) {
  .page-privacy .prv-hero {
    grid-template-columns: minmax(0, 1.5fr) minmax(240px, 0.5fr);
    align-items: end;
  }

  .page-privacy .prv-meta {
    padding-bottom: 6px;
  }

  .page-privacy .prv-figure {
    max-width: 880px;
  }
}

@media (min-width: 1080px) {
  .page-privacy .prv-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-toc__list a,
  .page-privacy .prv-next__list a,
  .page-privacy .prv-details summary {
    transition: none;
  }
}
</main>