.page-privacy {
  --pv-rail-w: 264px;
  --pv-ink-soft: #3D5A6C;
  --pv-line-soft: rgba(8, 32, 47, 0.14);
  --pv-cyan-wash: rgba(47, 227, 214, 0.14);
  --pv-cyan-edge: rgba(47, 227, 214, 0.55);
  position: relative;
  padding-top: calc(var(--header-h) + 10px);
  background:
    radial-gradient(1100px 620px at 88% -8%, rgba(47, 227, 214, 0.14), transparent 62%),
    radial-gradient(820px 520px at 4% 34%, rgba(20, 72, 110, 0.42), transparent 66%),
    var(--abyss-950);
  color: var(--foam-050);
}

.page-privacy .breadcrumb {
  margin-top: 18px;
  font-size: 13px;
  color: var(--slate-400);
}

.page-privacy .breadcrumb a {
  color: var(--cyan-200);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

/* ===== 页首标题区 ===== */
.page-privacy .pv-hero {
  display: grid;
  gap: 30px;
  padding-block: 26px 44px;
  align-items: end;
}

.page-privacy .pv-hero-copy .eyebrow {
  color: var(--cyan-400);
  letter-spacing: 0.16em;
  font-size: 12px;
  text-transform: uppercase;
}

.page-privacy .pv-hero-copy h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.5rem, 8.4vw, 5.2rem);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  color: var(--foam-050);
}

.page-privacy .pv-hero-copy .lede {
  max-width: 36em;
  margin-top: 18px;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.8;
  color: rgba(234, 245, 246, 0.76);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-privacy .pv-meta-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate-400);
}

.page-privacy .pv-meta-value {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--cyan-200);
}

.page-privacy .pv-hero-visual {
  margin: 0;
  border-radius: var(--r-xl);
  overflow: hidden;
  border: 1px solid var(--line-cool);
  background: linear-gradient(140deg, var(--abyss-800), var(--deep-600));
}

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

/* ===== 双栏：左索引 / 右条款 ===== */
.page-privacy .pv-layout {
  display: grid;
  gap: 26px;
  padding-block: 18px 76px;
}

.page-privacy .pv-rail {
  border-radius: var(--r-lg);
  border: 1px solid var(--line-cool);
  background: linear-gradient(160deg, var(--abyss-800), var(--abyss-950));
  padding: 18px;
}

.page-privacy .pv-rail .round-rail-title {
  margin: 0 0 14px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--slate-400);
}

.page-privacy .pv-rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-rail-link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 13px;
  border-radius: var(--pill);
  border: 1px solid var(--line-quiet);
  font-size: 14px;
  color: rgba(234, 245, 246, 0.74);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-rail-num {
  font-size: 12px;
  color: var(--cyan-400);
}

.page-privacy .pv-rail-link:hover,
.page-privacy .pv-rail-link:focus-visible,
.page-privacy .pv-rail-link.is-active {
  color: var(--abyss-950);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-privacy .pv-rail-link:hover .pv-rail-num,
.page-privacy .pv-rail-link:focus-visible .pv-rail-num,
.page-privacy .pv-rail-link.is-active .pv-rail-num {
  color: var(--abyss-800);
}

.page-privacy .pv-rail-foot {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-quiet);
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-400);
}

/* ===== 条款正文 ===== */
.page-privacy .pv-body {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.page-privacy .pv-clause {
  position: relative;
  background: var(--foam-050);
  color: var(--ink-dark);
  border-radius: var(--r-lg);
  padding: clamp(22px, 4vw, 42px);
  border-left: 4px solid var(--deep-600);
}

.page-privacy .pv-clause-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.page-privacy .pv-clause-no {
  margin: 0;
  font-family: var(--font-data);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 400;
  letter-spacing: 0.04em;
  color: var(--deep-600);
}

.page-privacy .pv-anchor-link {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--slate-400);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: var(--pill);
  border: 1px solid var(--pv-line-soft);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-anchor-link:hover,
.page-privacy .pv-anchor-link:focus-visible {
  color: var(--coral-500);
  border-color: var(--coral-500);
}

.page-privacy .pv-clause h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.6vw, 2rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 8px 0 0;
  color: var(--ink-dark);
}

.page-privacy .pv-lead {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pv-ink-soft);
  max-width: 46em;
}

.page-privacy .pv-list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pv-ink-soft);
  max-width: 46em;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 0 3px rgba(47, 227, 214, 0.2);
}

.page-privacy .pv-list strong {
  color: var(--ink-dark);
  font-weight: 700;
}

.page-privacy .pv-list .mono {
  font-family: var(--font-data);
  font-size: 14px;
  letter-spacing: 0.01em;
  color: var(--deep-600);
}

.page-privacy .pv-note {
  margin: 20px 0 0;
  padding: 13px 18px;
  border-left: 3px solid var(--cyan-400);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--pv-cyan-wash);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ink-dark);
  max-width: 46em;
}

.page-privacy .pv-note .mono {
  font-family: var(--font-data);
  letter-spacing: 0.01em;
}

/* 折叠分组 */
.page-privacy .pv-group {
  margin-top: 20px;
  border-top: 1px solid var(--pv-line-soft);
  padding-top: 14px;
}

.page-privacy .pv-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 2.6vw, 17px);
  color: var(--deep-600);
  padding: 4px 0;
  transition: color var(--dur) var(--ease);
}

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

.page-privacy .pv-group summary::after {
  content: "+";
  font-family: var(--font-data);
  font-size: 18px;
  color: var(--cyan-400);
  line-height: 1;
}

.page-privacy .pv-group[open] summary::after {
  content: "\2013";
}

.page-privacy .pv-group summary:hover,
.page-privacy .pv-group summary:focus-visible {
  color: var(--coral-500);
}

.page-privacy .pv-group-body {
  padding-top: 6px;
}

.page-privacy .pv-group-body .pv-list {
  margin-top: 6px;
}

/* ===== 结尾引导 ===== */
.page-privacy .pv-cta {
  border-radius: var(--r-xl);
  padding: clamp(24px, 4.4vw, 44px);
  background: linear-gradient(150deg, var(--abyss-800), var(--deep-600));
  border: 1px solid var(--line-cool);
}

.page-privacy .pv-cta h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 1.85rem);
  line-height: 1.3;
  margin: 0;
  color: var(--foam-050);
}

.page-privacy .pv-cta p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: rgba(234, 245, 246, 0.76);
  max-width: 42em;
}

.page-privacy .pv-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ===== 断点 ===== */
@media (min-width: 720px) {
  .page-privacy .pv-hero {
    padding-block: 34px 56px;
  }

  .page-privacy .pv-body {
    gap: 26px;
  }
}

@media (min-width: 1020px) {
  .page-privacy .pv-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    gap: 54px;
    padding-block: 26px 96px;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    padding: 22px 20px;
  }

  .page-privacy .pv-rail-list {
    display: grid;
    gap: 2px;
  }

  .page-privacy .pv-rail-link {
    border-radius: var(--r-sm);
    border-color: transparent;
    border-left: 2px solid transparent;
    padding: 10px 12px;
  }

  .page-privacy .pv-rail-link:hover,
  .page-privacy .pv-rail-link:focus-visible,
  .page-privacy .pv-rail-link.is-active {
    border-radius: var(--r-sm);
  }

  .page-privacy .pv-clause {
    padding: 44px 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail-link,
  .page-privacy .pv-anchor-link,
  .page-privacy .pv-group summary {
    transition: none;
  }
}