.page-privacy {
  --privacy-measure: 34em;
  --privacy-rail-w: 176px;
  --privacy-gap: 80px;
  background: var(--c-void);
  color: var(--c-text);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  padding-block: 24px 56px;
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(58% 120% at 82% -10%, rgba(43, 232, 184, 0.09), transparent 68%),
    radial-gradient(40% 90% at 4% 110%, rgba(18, 58, 44, 0.75), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-hero > .container {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: 32px;
  margin-top: 36px;
}

.page-privacy .privacy-hero h1 {
  margin: 12px 0 18px;
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3.3rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.012em;
  color: var(--c-text);
}

.page-privacy .privacy-hero .eyebrow {
  color: var(--c-cyan);
}

.page-privacy .privacy-hero__lede {
  max-width: 30em;
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--c-text);
}

.page-privacy .privacy-hero .annotation {
  max-width: 30em;
  margin: 0;
}

.page-privacy .privacy-hero__figure {
  margin: 0;
  border: 1px solid var(--c-line-soft);
  border-radius: 2px;
  background: var(--c-panel);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
}

/* ---- 目录 + 正文 ---- */

.page-privacy .privacy-layout {
  display: grid;
  gap: 40px;
  padding-block: 56px 96px;
}

.page-privacy .privacy-index__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-index__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .index-rail__link {
  display: block;
  flex: 0 0 auto;
  padding: 8px 14px;
  border: 1px solid var(--c-line-soft);
  border-radius: 2px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--c-muted);
  text-decoration: none;
  white-space: nowrap;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .index-rail__link:hover {
  color: var(--c-cyan-soft);
  border-color: var(--c-line);
}

.page-privacy .index-rail__link.is-active,
.page-privacy .index-rail__link[aria-current="true"],
.page-privacy .index-rail__link[aria-current="location"] {
  color: var(--c-cyan);
  border-color: rgba(43, 232, 184, 0.55);
  background: rgba(43, 232, 184, 0.06);
}

/* ---- 章节 ---- */

.page-privacy .privacy-doc {
  min-width: 0;
  overflow-wrap: break-word;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: 60px;
  padding-top: 44px;
  border-top: 1px solid var(--c-line-soft);
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}

.page-privacy .privacy-sec__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 4.5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: -0.008em;
  color: var(--c-text);
}

.page-privacy .privacy-sec p {
  max-width: var(--privacy-measure);
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--c-text);
}

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

.page-privacy .privacy-sec p a {
  color: var(--c-cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(141, 255, 226, 0.35);
  transition: color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .privacy-sec p a:hover {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-privacy .privacy-mail {
  font-family: var(--font-mono);
  font-size: 0.94em;
  font-weight: 600;
  color: var(--c-cyan);
  word-break: break-all;
}

/* ---- 条目列表 ---- */

.page-privacy .privacy-facts {
  display: grid;
  gap: 16px;
  max-width: var(--privacy-measure);
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-facts li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-privacy .privacy-facts li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--c-cyan);
}

.page-privacy .privacy-facts strong {
  font-weight: 600;
  color: var(--c-text);
}

/* ---- 保留期限表 ---- */

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

.page-privacy .privacy-terms__row {
  display: grid;
  gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-privacy .privacy-terms__row:last-child {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-privacy .privacy-terms dt {
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--c-cyan-soft);
}

.page-privacy .privacy-terms dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--c-text);
}

/* ---- 权利步骤 ---- */

.page-privacy .privacy-steps {
  counter-reset: privacy-step;
  display: grid;
  gap: 18px;
  max-width: var(--privacy-measure);
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-steps li {
  counter-increment: privacy-step;
  position: relative;
  padding-left: 44px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-text);
}

.page-privacy .privacy-steps li::before {
  content: counter(privacy-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.22em;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

.page-privacy .privacy-steps strong {
  font-weight: 600;
  color: var(--c-text);
}

/* ---- 展开组 ---- */

.page-privacy .expandable {
  max-width: var(--privacy-measure);
  margin-top: 24px;
  border-top: 1px solid var(--c-line-soft);
}

.page-privacy .expandable__trigger {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
  background: none;
  border: 0;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.6;
  text-align: left;
  color: var(--c-muted);
  cursor: pointer;
  transition: color 160ms var(--ease);
}

.page-privacy .expandable__trigger:hover,
.page-privacy .expandable__trigger[aria-expanded="true"] {
  color: var(--c-cyan-soft);
}

.page-privacy .expandable__chev {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translate(-1px, -1px);
  transition: transform 220ms var(--ease);
}

.page-privacy .expandable__trigger[aria-expanded="true"] .expandable__chev {
  transform: rotate(-135deg) translate(-1px, -1px);
}

.page-privacy .expandable__panel {
  padding: 2px 0 20px;
}

.page-privacy .expandable__panel[hidden] {
  display: none;
}

.page-privacy .expandable__panel p {
  max-width: var(--privacy-measure);
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}

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

/* ---- 响应式 ---- */

@media (min-width: 720px) {
  .page-privacy .privacy-terms__row {
    grid-template-columns: 172px minmax(0, 1fr);
    gap: 28px;
    align-items: baseline;
  }

  .page-privacy .privacy-hero {
    padding-block: 32px 72px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 64px;
    margin-top: 48px;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail-w) minmax(0, 1fr);
    column-gap: var(--privacy-gap);
    max-width: 860px;
    margin-inline: auto;
    padding-block: 88px 128px;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--ticker-h) + 28px);
    align-self: start;
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    gap: 2px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-privacy .index-rail__link {
    padding: 7px 0 7px 14px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    font-size: 13.5px;
  }

  .page-privacy .index-rail__link:hover {
    background: none;
    border-left-color: var(--c-line);
  }

  .page-privacy .index-rail__link.is-active,
  .page-privacy .index-rail__link[aria-current="true"],
  .page-privacy .index-rail__link[aria-current="location"] {
    background: none;
    border-left-color: var(--c-cyan);
    color: var(--c-cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .expandable__chev,
  .page-privacy .index-rail__link,
  .page-privacy .expandable__trigger {
    transition: none;
  }
}