.page-privacy {
  --toc-w: 200px;
  --measure: 44em;
  --clause-gap: clamp(38px, 6vw, 76px);
  background: var(--frost);
  color: var(--ink);
  padding-block: clamp(26px, 5vw, 52px) clamp(56px, 8vw, 100px);
}

.page-privacy .privacy-mast {
  max-width: 62ch;
}

.page-privacy .privacy-mast .eyebrow {
  color: var(--lake);
}

.page-privacy .privacy-mast h1 {
  margin: 12px 0 0;
}

.page-privacy .privacy-mast .lede {
  margin: 16px 0 0;
  color: var(--ink);
  max-width: var(--measure);
}

.page-privacy .mast-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 0;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-privacy .mast-facts li {
  padding-right: 18px;
  margin-right: 18px;
  border-right: 1px solid var(--hair);
}

.page-privacy .mast-facts li:last-child {
  padding-right: 0;
  margin-right: 0;
  border-right: 0;
}

@media (max-width: 600px) {
  .page-privacy .mast-facts {
    display: grid;
    gap: 6px;
  }
  .page-privacy .mast-facts li {
    padding-right: 0;
    margin-right: 0;
    border-right: 0;
  }
}

/* 首屏通栏视觉 */
.page-privacy .privacy-hero {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-privacy .privacy-hero .frame {
  aspect-ratio: 16 / 5;
  border-radius: 4px;
  overflow: hidden;
}

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

.page-privacy .privacy-hero figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* 双栏骨架：目录 + 正文 */
.page-privacy .privacy-shell {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 52px);
  margin-top: clamp(40px, 6vw, 76px);
}

@media (min-width: 920px) {
  .page-privacy .privacy-shell {
    grid-template-columns: var(--toc-w) minmax(0, 1fr);
    gap: clamp(44px, 5vw, 76px);
    align-items: start;
  }
  .page-privacy .privacy-toc {
    position: sticky;
    top: 92px;
  }
}

/* 章节目录 */
.page-privacy .privacy-toc {
  font-size: 14px;
}

.page-privacy .privacy-toc .eyebrow {
  color: var(--muted);
}

.page-privacy .privacy-toc ol {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc a {
  display: flex;
  gap: 10px;
  padding: 7px 0 7px 10px;
  border-left: 2px solid var(--hair);
  color: var(--muted);
  text-decoration: none;
  line-height: 1.5;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  color: var(--ink);
  border-left-color: var(--lake);
}

.page-privacy .privacy-toc .toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--lake);
  padding-top: 2px;
}

/* 正文列 */
.page-privacy .privacy-body {
  min-width: 0;
  display: grid;
  gap: var(--clause-gap);
}

.page-privacy .clause {
  scroll-margin-top: 96px;
}

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

.page-privacy .clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--lake);
}

.page-privacy .clause__head h2 {
  margin: 0;
}

.page-privacy .clause__sum {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--lake);
  font-size: 17px;
  line-height: 1.72;
  color: var(--ink);
  max-width: var(--measure);
}

.page-privacy .clause__detail {
  margin-top: 24px;
  display: grid;
  gap: 18px;
}

.page-privacy .clause__detail > p {
  margin: 0;
  max-width: var(--measure);
}

.page-privacy .clause__back {
  display: inline-block;
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .clause__back::before {
  content: "↑ ";
}

.page-privacy .clause__back:hover,
.page-privacy .clause__back:focus-visible {
  color: var(--lake);
  border-bottom-color: var(--lake);
}

/* 三类信息 */
.page-privacy .cat-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--hair);
  border-radius: 3px;
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-privacy .cat-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-privacy .cat {
  background: #fff;
  padding: 18px 18px 20px;
}

.page-privacy .cat__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-privacy .cat h3 {
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.5;
}

.page-privacy .cat p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

/* 定义行：用途 / 权利共用 */
.page-privacy .def-row {
  padding: 18px 0;
  border-top: 1px solid var(--hair);
}

.page-privacy .def-row:first-child {
  padding-top: 2px;
  border-top: 0;
}

.page-privacy .def-row__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lake);
}

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

@media (min-width: 640px) {
  .page-privacy .def-row {
    display: grid;
    grid-template-columns: 112px minmax(0, 1fr);
    gap: 0 24px;
    align-items: baseline;
  }
  .page-privacy .def-row__val {
    margin-top: 0;
  }
}

/* 留存期限 */
.page-privacy .retain {
  display: grid;
  gap: 1px;
  background: var(--hair);
  border-radius: 3px;
  overflow: hidden;
}

.page-privacy .retain__row {
  background: #fff;
  padding: 16px 18px;
}

@media (min-width: 720px) {
  .page-privacy .retain__row {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

.page-privacy .retain__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lake);
}

.page-privacy .retain__val {
  margin: 6px 0 0;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink);
}

@media (min-width: 720px) {
  .page-privacy .retain__val {
    margin-top: 0;
  }
}

/* 请求邮箱区块 */
.page-privacy .request-box {
  display: grid;
  justify-items: start;
  gap: 12px;
  background: #fff;
  border-radius: 4px;
  padding: clamp(20px, 3vw, 30px);
  box-shadow: var(--shadow-1);
}

.page-privacy .request-box .eyebrow {
  color: var(--muted);
}

.page-privacy .request-mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.4vw, 24px);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--deep);
  word-break: break-all;
}

.page-privacy .request-box p {
  margin: 0;
  max-width: var(--measure);
}

/* 折叠细则 */
.page-privacy .fold {
  border-top: 1px solid var(--hair);
}

.page-privacy .fold summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

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

.page-privacy .fold summary::after {
  content: "展开";
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--lake);
}

.page-privacy .fold[open] summary::after {
  content: "收起";
}

.page-privacy .fold__body {
  padding: 0 0 16px;
}

.page-privacy .fold__body p {
  margin: 0;
  max-width: var(--measure);
}

/* 相关页面 */
.page-privacy .more {
  margin-top: clamp(30px, 4vw, 48px);
  padding-top: 24px;
  border-top: 1px solid var(--hair);
  display: grid;
  gap: 10px;
}

@media (min-width: 640px) {
  .page-privacy .more {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 36px;
  }
}

.page-privacy .more a {
  color: var(--lake);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.6;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--hair);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .more a:hover,
.page-privacy .more a:focus-visible {
  color: var(--deep);
  border-bottom-color: var(--lake);
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc a,
  .page-privacy .clause__back,
  .page-privacy .more a {
    transition: none;
  }
}