.page-privacy {
  --pv-card: var(--white-050);
  --pv-text: var(--on-sand);
  --pv-dim: var(--on-sand-dim);
  --pv-line: rgba(31, 36, 41, 0.14);
  --pv-line-strong: rgba(31, 36, 41, 0.34);
  --pv-mark: rgba(251, 215, 180, 0.7);

  background: var(--sand-100);
  color: var(--pv-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.75;
  padding: clamp(1.25rem, 3.5vw, 2.5rem) 0 clamp(3rem, 7vw, 5.5rem);
}

.page-privacy .crumbs ul {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  list-style: none;
  margin: 0 0 clamp(1.1rem, 3vw, 1.9rem);
  padding: 0;
  font-size: 0.8rem;
  color: var(--pv-dim);
}

.page-privacy .crumbs li + li::before {
  content: "/";
  margin-right: 0.35rem;
  color: var(--pv-line-strong);
}

.page-privacy .crumbs a {
  color: var(--blue-700);
  text-decoration: none;
}

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

/* ---------- 首屏 ---------- */

.page-privacy .prv-hero {
  max-width: 920px;
  margin-bottom: clamp(1.8rem, 4vw, 2.6rem);
}

.page-privacy .prv-hero::before {
  content: "";
  display: block;
  width: 100%;
  height: 4px;
  margin-bottom: clamp(1.1rem, 2.5vw, 1.6rem);
  background: linear-gradient(90deg, var(--blue-700) 0 33%, var(--orange-500) 33% 66%, var(--green-500) 66% 100%);
}

.page-privacy .prv-hero__kicker {
  margin: 0 0 0.7rem;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--blue-700);
}

.page-privacy .prv-hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.85rem, 5.4vw, 3.35rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--pv-text);
}

.page-privacy .prv-hero__lead {
  margin: 0 0 clamp(1.4rem, 3vw, 2rem);
  max-width: 720px;
  font-size: 1.02rem;
  color: var(--pv-dim);
}

.page-privacy .prv-hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--pv-line);
  border: 1px solid var(--pv-line);
}

.page-privacy .prv-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.9rem 1.05rem;
  background: var(--pv-card);
  font-size: 0.86rem;
  color: var(--pv-dim);
}

.page-privacy .prv-num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  font-size: 1.45rem;
  line-height: 1;
  color: var(--orange-500);
}

/* ---------- 信息流向图 ---------- */

.page-privacy .prv-figure {
  margin: 0 0 clamp(2rem, 5vw, 3.5rem);
  padding: 0.85rem;
  border: 1px solid var(--pv-line);
  background: var(--pv-card);
}

.page-privacy .prv-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: linear-gradient(140deg, var(--blue-700), var(--ink-900) 70%, var(--moss-600));
}

.page-privacy .prv-figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  color: var(--pv-dim);
}

/* ---------- 目录 + 条款 ---------- */

.page-privacy .prv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.6rem, 4vw, 2.4rem);
  align-items: start;
}

.page-privacy .prv-toc {
  border: 1px solid var(--pv-line);
  background: var(--pv-card);
  padding: 1rem 0.85rem;
}

.page-privacy .prv-toc__title {
  margin: 0 0 0.75rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--pv-dim);
}

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

.page-privacy .prv-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  padding: 0.42rem 0.5rem;
  border-left: 2px solid transparent;
  color: var(--pv-dim);
  font-size: 0.84rem;
  text-decoration: none;
  transition: color 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .prv-toc__list a:hover,
.page-privacy .prv-toc__list a:focus-visible {
  color: var(--blue-700);
  background: rgba(30, 127, 196, 0.07);
}

.page-privacy .prv-toc__list a[aria-current="true"] {
  color: var(--orange-500);
  font-weight: 700;
  border-left-color: var(--orange-500);
  background: rgba(240, 120, 24, 0.09);
}

.page-privacy .prv-toc__num {
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.74rem;
  color: var(--blue-500);
}

.page-privacy .prv-toc__list a[aria-current="true"] .prv-toc__num {
  color: var(--orange-500);
}

.page-privacy .prv-terms {
  max-width: 720px;
  min-width: 0;
}

/* ---------- 条款区块 ---------- */

.page-privacy .prv-sec {
  display: grid;
  gap: 0.6rem;
  padding: clamp(1.5rem, 3.5vw, 2.25rem) 0;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .prv-sec__num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1;
  color: var(--blue-500);
  padding-top: 0.3rem;
}

.page-privacy .prv-sec__body {
  min-width: 0;
}

.page-privacy .prv-sec__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.2rem, 2.4vw, 1.55rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--pv-text);
}

.page-privacy .prv-sec__sum {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--pv-dim);
}

.page-privacy .prv-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-privacy .prv-points > li {
  position: relative;
  padding-left: 1.25rem;
  font-size: 0.94rem;
}

.page-privacy .prv-points > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue-500);
}

.page-privacy .prv-points strong {
  color: var(--blue-700);
  font-weight: 700;
}

.page-privacy .prv-sub {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.35rem;
  font-size: 0.88rem;
  color: var(--pv-dim);
}

.page-privacy .prv-sub li {
  position: relative;
  padding-left: 1rem;
}

.page-privacy .prv-sub li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--pv-line-strong);
}

.page-privacy .prv-note {
  margin: 1rem 0 0;
  padding: 0.7rem 0.9rem;
  border-left: 2px solid var(--moss-600);
  background: rgba(95, 124, 78, 0.08);
  font-size: 0.88rem;
  color: var(--pv-dim);
}

.page-privacy .prv-mark {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  background: var(--pv-mark);
  color: var(--clay-500);
  padding: 0 0.32em;
  border-radius: 2px;
}

/* ---------- 保存期限清单 ---------- */

.page-privacy .prv-keep {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--pv-line);
  background: var(--pv-card);
}

.page-privacy .prv-keep li {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  font-size: 0.92rem;
  color: var(--pv-dim);
}

.page-privacy .prv-keep li + li {
  border-top: 1px solid var(--pv-line);
}

.page-privacy .prv-keep__k {
  font-weight: 700;
  color: var(--pv-text);
}

/* ---------- 权利折叠 ---------- */

.page-privacy .prv-rights {
  border: 1px solid var(--pv-line);
}

.page-privacy .prv-acc {
  background: var(--pv-card);
}

.page-privacy .prv-acc + .prv-acc {
  border-top: 1px solid var(--pv-line);
}

.page-privacy .prv-acc summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--pv-text);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .prv-acc summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--orange-500);
}

.page-privacy .prv-acc[open] summary::after {
  content: "−";
}

.page-privacy .prv-acc summary:hover {
  background: rgba(30, 127, 196, 0.06);
}

.page-privacy .prv-acc summary:focus-visible {
  outline: 2px solid var(--blue-500);
  outline-offset: -2px;
}

.page-privacy .prv-acc p {
  margin: 0;
  padding: 0 1rem 1rem;
  font-size: 0.9rem;
  color: var(--pv-dim);
}

/* ---------- 安全措施 ---------- */

.page-privacy .prv-shield {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--pv-line);
  border: 1px solid var(--pv-line);
}

.page-privacy .prv-shield li {
  background: var(--pv-card);
  padding: 1.05rem 1rem;
  font-size: 0.9rem;
  color: var(--pv-dim);
}

.page-privacy .prv-shield b {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.96rem;
  color: var(--pv-text);
  font-weight: 700;
}

/* ---------- 收尾 ---------- */

.page-privacy .prv-tail {
  margin: clamp(1.6rem, 4vw, 2.4rem) 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--pv-line);
  font-size: 0.9rem;
  color: var(--pv-dim);
}

.page-privacy .prv-tail a {
  color: var(--blue-700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .prv-close {
  margin-top: clamp(1.6rem, 4vw, 2.2rem);
  padding: clamp(1.3rem, 3vw, 2rem);
  background: var(--ink-900);
  color: var(--txt);
  display: grid;
  gap: 1.1rem;
}

.page-privacy .prv-close p {
  margin: 0;
  max-width: 58ch;
  font-size: 0.94rem;
  color: var(--txt-dim);
}

.page-privacy .prv-close__act {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-privacy .prv-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .prv-sec {
    grid-template-columns: 3.4rem minmax(0, 1fr);
    gap: 1.4rem;
  }

  .page-privacy .prv-keep li {
    grid-template-columns: 9.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-privacy .prv-shield {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 980px) {
  .page-privacy .prv-layout {
    grid-template-columns: 196px minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4rem);
  }

  .page-privacy .prv-toc {
    position: sticky;
    top: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-toc__list a {
    transition: none;
  }
}