.page-privacy {
  --priv-measure: 68ch;
  --priv-rail-w: 240px;
  background: var(--ink);
  color: var(--bone);
}

/* ---------- 首屏 ---------- */
.page-privacy .priv-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-privacy .priv-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .priv-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
}

.page-privacy .priv-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 78% 12%, rgba(22, 224, 200, .10), transparent 58%),
    linear-gradient(180deg, rgba(10, 11, 15, .68) 0%, rgba(10, 11, 15, .92) 62%, var(--ink) 100%);
}

.page-privacy .priv-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(72px, 10vw, 132px);
  padding-bottom: clamp(52px, 7vw, 84px);
}

.page-privacy .priv-hero__kicker {
  margin: 22px 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--gold);
}

.page-privacy .priv-hero h1 {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(34px, 6.4vw, 74px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--bone);
  text-shadow: 0 2px 24px rgba(10, 11, 15, .55);
}

.page-privacy .priv-hero__lede {
  margin: 26px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .priv-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 0;
  list-style: none;
  margin: 34px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-privacy .priv-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-right: 32px;
  margin-right: 32px;
  border-right: 1px solid var(--line);
}

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

.page-privacy .priv-hero__facts span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.page-privacy .priv-hero__facts strong {
  font-size: 15px;
  font-weight: 700;
  color: var(--gold-lit);
}

/* ---------- 双栏骨架 ---------- */
.page-privacy .priv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  padding-top: clamp(52px, 6vw, 88px);
  padding-bottom: clamp(72px, 8vw, 120px);
}

.page-privacy .priv-rail {
  display: none;
}

.page-privacy .priv-doc {
  min-width: 0;
}

/* ---------- 条款区块 ---------- */
.page-privacy .priv-sec {
  border-top: 1px solid var(--line);
  padding: clamp(28px, 3.6vw, 44px) 0;
}

.page-privacy .priv-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .priv-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 16px;
  margin-bottom: 20px;
}

.page-privacy .priv-sec__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--gold);
  transform: translateY(-2px);
}

.page-privacy .priv-sec__title {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--bone);
}

.page-privacy .priv-sec__body > p {
  margin: 0 0 16px;
  max-width: var(--priv-measure);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-privacy .priv-sub {
  margin: 26px 0 4px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold-lit);
}

/* ---------- 术语定义表 ---------- */
.page-privacy .priv-terms {
  margin: 20px 0 22px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .priv-terms dt {
  padding-top: 18px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--bone);
}

.page-privacy .priv-terms dt + dd {
  margin-top: 7px;
}

.page-privacy .priv-terms dd {
  margin: 0 0 18px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  max-width: var(--priv-measure);
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-privacy .priv-terms dd:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-privacy .priv-terms--compact dt {
  padding-top: 14px;
}

.page-privacy .priv-terms--compact dd {
  margin-bottom: 14px;
  padding-bottom: 14px;
}

/* ---------- 用途编号列表 ---------- */
.page-privacy .priv-uses {
  counter-reset: priv-use;
  list-style: none;
  margin: 20px 0 20px;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .priv-uses li {
  position: relative;
  padding-left: 42px;
  max-width: var(--priv-measure);
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}

.page-privacy .priv-uses li::before {
  counter-increment: priv-use;
  content: counter(priv-use, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 4px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
}

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

/* ---------- 数值与折叠 ---------- */
.page-privacy .priv-mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--cyan);
}

.page-privacy .priv-fold {
  margin: 22px 0 0;
  max-width: var(--priv-measure);
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--panel);
  transition: border-color var(--t) var(--ease);
}

.page-privacy .priv-fold:hover {
  border-color: rgba(200, 150, 30, .48);
}

.page-privacy .priv-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  padding: 15px 18px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gold);
  list-style: none;
}

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

.page-privacy .priv-fold summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--mist);
  transition: transform var(--t) var(--ease);
}

.page-privacy .priv-fold[open] summary::after {
  content: "−";
  color: var(--gold-lit);
}

.page-privacy .priv-fold p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--mist);
}

/* ---------- 行内链接 ---------- */
.page-privacy .priv-sec__body .link-arrow {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(22, 224, 200, .35);
  padding-bottom: 1px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-privacy .priv-sec__body .link-arrow:hover,
.page-privacy .priv-sec__body .link-arrow:focus-visible {
  color: var(--gold-lit);
  border-bottom-color: var(--gold-lit);
}

/* ---------- 桌面双栏 ---------- */
@media (min-width: 900px) {
  .page-privacy .priv-layout {
    grid-template-columns: var(--priv-rail-w) minmax(0, 1fr);
    column-gap: clamp(48px, 6vw, 88px);
    align-items: start;
  }

  .page-privacy .priv-rail {
    display: block;
    position: sticky;
    top: 96px;
    align-self: start;
    border-left: 1px solid var(--line);
    padding-left: 20px;
  }

  .page-privacy .priv-rail .rail__title {
    margin: 0 0 14px;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .28em;
    text-transform: uppercase;
    color: var(--mist);
  }

  .page-privacy .priv-rail .rail__list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 4px;
  }

  .page-privacy .priv-rail .rail__link {
    display: block;
    padding: 7px 0 7px 12px;
    margin-left: -13px;
    border-left: 2px solid transparent;
    font-size: 14px;
    line-height: 1.5;
    color: var(--mist);
    text-decoration: none;
    transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background-color var(--t) var(--ease);
  }

  .page-privacy .priv-rail .rail__link:hover,
  .page-privacy .priv-rail .rail__link:focus-visible {
    color: var(--bone);
    border-left-color: rgba(200, 150, 30, .6);
  }

  .page-privacy .priv-rail .rail__link.is-active,
  .page-privacy .priv-rail .rail__link[aria-current="true"] {
    color: var(--gold-lit);
    border-left-color: var(--gold);
    background: linear-gradient(90deg, rgba(200, 150, 30, .10), transparent 78%);
  }

  .page-privacy .priv-rail__hint {
    margin: 18px 0 0;
    font-size: 12px;
    line-height: 1.75;
    color: var(--mist);
    opacity: .78;
  }

  .page-privacy .priv-sec__head {
    column-gap: 22px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .priv-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

/* ---------- 窄屏细节 ---------- */
@media (max-width: 899px) {
  .page-privacy .priv-hero__facts li {
    padding-right: 22px;
    margin-right: 22px;
  }

  .page-privacy .priv-uses li {
    padding-left: 34px;
  }
}

@media (max-width: 560px) {
  .page-privacy .priv-hero__facts {
    flex-direction: column;
    gap: 12px;
  }

  .page-privacy .priv-hero__facts li {
    padding-right: 0;
    margin-right: 0;
    border-right: 0;
    border-left: 2px solid var(--line);
    padding-left: 12px;
  }

  .page-privacy .priv-terms dt {
    font-size: 14.5px;
  }

  .page-privacy .priv-terms dd,
  .page-privacy .priv-sec__body > p,
  .page-privacy .priv-uses li {
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .priv-fold,
  .page-privacy .priv-fold summary::after,
  .page-privacy .priv-rail .rail__link,
  .page-privacy .priv-sec__body .link-arrow {
    transition: none;
  }
}