.page-privacy {
  --privacy-col: 46rem;
  --privacy-index-w: 216px;
  --privacy-sticky: 104px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 7vw, 88px) 0 clamp(34px, 5vw, 56px);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(circle at 88% 12%, rgba(47, 182, 255, .14), transparent 58%),
    radial-gradient(circle at 72% 92%, rgba(182, 255, 60, .10), transparent 55%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -18px;
  width: clamp(70px, 12vw, 132px);
  height: 26px;
  background: var(--orange);
  opacity: .16;
  transform: skewX(var(--skew));
  pointer-events: none;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 22px;
  font-size: .82rem;
  color: var(--gray);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: var(--blue);
  text-decoration: none;
}

.page-privacy .privacy-hero .breadcrumb a:hover,
.page-privacy .privacy-hero .breadcrumb a:focus-visible {
  text-decoration: underline;
}

.page-privacy .privacy-hero__title {
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -.015em;
  margin: 14px 0 0;
  transform: skewX(var(--skew));
  transform-origin: left bottom;
  color: var(--cream);
}

.page-privacy .privacy-hero__body {
  display: grid;
  gap: 22px;
  margin-top: clamp(24px, 4vw, 40px);
}

.page-privacy .privacy-hero__lead {
  max-width: 40rem;
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.12rem);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-privacy .privacy-meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  font-size: .82rem;
  color: var(--gray);
}

.page-privacy .privacy-meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 6px 12px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: var(--veil);
}

.page-privacy .privacy-meta .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--neon);
  font-size: .95rem;
}

/* ---------- 两栏骨架 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 60px);
  padding-block: clamp(36px, 6vw, 72px) clamp(56px, 8vw, 96px);
}

/* ---------- 移动端小节折叠 ---------- */
.page-privacy .privacy-index-drop {
  order: -1;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--carbon);
  overflow: hidden;
}

.page-privacy .privacy-index-drop summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  font-size: .95rem;
  color: var(--cream);
}

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

.page-privacy .privacy-index-drop summary::after {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform .22s ease;
}

.page-privacy .privacy-index-drop[open] summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}

.page-privacy .privacy-index-drop .privacy-index__list {
  padding: 4px 0 12px;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 桌面端吸顶索引 ---------- */
.page-privacy .privacy-index {
  display: none;
}

.page-privacy .privacy-index__head {
  margin: 0 0 14px;
  color: var(--gray);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .privacy-index__list a {
  display: block;
  padding: 8px 0 8px 14px;
  border-left: 1px solid var(--line-soft);
  color: var(--gray);
  font-size: .88rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, padding-left .2s ease;
}

.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a:focus-visible {
  color: var(--neon);
  border-left-color: var(--neon);
  padding-left: 18px;
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
  max-width: var(--privacy-col);
  counter-reset: docsec;
}

.page-privacy .doc-section {
  padding-block: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line-soft);
  scroll-margin-top: 96px;
}

.page-privacy .doc-section:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .doc-section h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-size: clamp(1.28rem, 3.4vw, 1.66rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--cream);
}

.page-privacy .doc-section h2::before {
  counter-increment: docsec;
  content: counter(docsec, decimal-leading-zero);
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-privacy .doc-section p {
  margin: 0 0 14px;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-soft);
  overflow-wrap: break-word;
}

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

.page-privacy .doc-section a {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 182, 255, .4);
}

.page-privacy .doc-section a:hover,
.page-privacy .doc-section a:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* 奶油展签摘要 */
.page-privacy .privacy-summary {
  position: relative;
  margin: 0 0 20px;
  padding: 16px 18px 16px 24px;
  background: var(--cream);
  color: var(--ink);
  border-radius: var(--radius);
  font-size: .98rem;
  font-weight: 700;
  line-height: 1.7;
}

.page-privacy .privacy-summary::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 7px;
  background: var(--orange);
  border-radius: var(--radius) 0 0 var(--radius);
}

/* 列表 */
.page-privacy .doc-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 20px;
  font-size: .98rem;
  line-height: 1.82;
  color: var(--ink-soft);
  overflow-wrap: break-word;
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 6px;
  background: var(--blue);
  transform: skewX(var(--skew));
}

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

.page-privacy .doc-list .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--neon);
}

.page-privacy .doc-list .num-unit {
  font-size: .78em;
  color: var(--gray);
  margin-left: 2px;
}

.page-privacy .not-for {
  margin: 0 0 14px;
  padding: 12px 0 12px 16px;
  border-left: 2px solid var(--clay);
  color: var(--gray);
  font-size: .93rem;
  line-height: 1.8;
}

/* ---------- 留存时间轴 ---------- */
.page-privacy .retention-table {
  margin: 4px 0 22px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .retention-row {
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .retention-row--log {
  --w: 50%;
}

.page-privacy .retention-row--device {
  --w: 100%;
}

.page-privacy .retention-row--mail {
  --w: 17%;
}

.page-privacy .retention-row__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 10px;
}

.page-privacy .retention-row__label {
  font-size: .95rem;
  font-weight: 700;
  color: var(--cream);
}

.page-privacy .retention-row__val {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.08rem;
  color: var(--neon);
  letter-spacing: -.01em;
}

.page-privacy .retention-row__val .num-unit {
  margin-left: 3px;
  font-size: .66em;
  color: var(--gray);
}

.page-privacy .retention-row__bar {
  height: 8px;
  border-radius: 999px;
  background: rgba(242, 233, 218, .07);
  overflow: hidden;
}

.page-privacy .retention-row__bar span {
  display: block;
  width: var(--w, 40%);
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), var(--neon));
}

.page-privacy .retention-row--mail .retention-row__bar span {
  background: linear-gradient(90deg, var(--clay), var(--amber));
}

/* 配图 */
.page-privacy .privacy-figure {
  margin: 26px 0 4px;
}

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

/* ---------- 联系方式小卡 ---------- */
.page-privacy .contact-list {
  list-style: none;
  margin: 4px 0 20px;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-privacy .contact-item {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 14px;
  padding: 14px 16px;
  background: var(--carbon);
}

.page-privacy .contact-key {
  flex: none;
  min-width: 5em;
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--gray);
}

.page-privacy .contact-value {
  font-size: .96rem;
  color: var(--cream);
  overflow-wrap: break-word;
}

.page-privacy .contact-value.mono {
  font-family: var(--font-mono);
  letter-spacing: -.01em;
}

.page-privacy .privacy-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-privacy .privacy-cta .btn {
  border-bottom: 0;
}

/* ---------- 变更记录 ---------- */
.page-privacy .log-current {
  position: relative;
  margin: 4px 0 18px;
  padding: 18px 20px;
  background: var(--carbon);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius);
}

.page-privacy .log-current__ver {
  margin: 0 0 8px;
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--orange);
}

.page-privacy .log-current p {
  margin: 0;
  font-size: .97rem;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-privacy .log-entry {
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .log-entry summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-size: .95rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color .2s ease;
}

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

.page-privacy .log-entry summary:hover,
.page-privacy .log-entry summary:focus-visible {
  color: var(--cream);
}

.page-privacy .log-entry__ver {
  flex: none;
  font-size: .8rem;
  letter-spacing: .1em;
  color: var(--blue);
}

.page-privacy .log-entry[open] summary {
  color: var(--cream);
}

.page-privacy .log-entry p {
  margin: 0 0 16px;
  padding-left: 2px;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--gray);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-hero__body {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .retention-row__top {
    margin-bottom: 12px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-index-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-index-drop {
    display: none;
  }

  .page-privacy .privacy-index {
    display: block;
    position: sticky;
    top: var(--privacy-sticky);
    align-self: start;
  }

  .page-privacy .privacy-hero__body {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-privacy .privacy-meta {
    justify-content: flex-end;
  }
}

@media (min-width: 1160px) {
  .page-privacy .privacy-doc {
    max-width: 52rem;
  }

  .page-privacy .privacy-summary {
    font-size: 1.02rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__list a,
  .page-privacy .privacy-index-drop summary::after,
  .page-privacy .log-entry summary {
    transition: none;
  }
}