.page-privacy {
  --pv-dim: rgba(167, 178, 189, 0.95);
  --pv-line: rgba(214, 210, 198, 0.14);
  --pv-line-strong: rgba(214, 210, 198, 0.3);
  --pv-panel: rgba(18, 48, 76, 0.62);
  --pv-glow: rgba(47, 158, 139, 0.16);
  background: var(--c-river);
  color: var(--c-text-2);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

/* ---------- 页首横幅 ---------- */
.pv-banner {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--pv-line);
  background:
    radial-gradient(90% 120% at 78% -12%, var(--pv-glow), transparent 62%),
    linear-gradient(165deg, #0a1c2e 0%, #10304c 60%, #0a1c2e 100%);
}

.pv-banner__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.26;
  z-index: -1;
}

.pv-banner__inner {
  position: relative;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 26px var(--gutter) 54px;
}

.page-privacy .breadcrumb {
  margin: 0 0 30px;
}

.page-privacy .breadcrumb__link {
  color: var(--pv-dim);
  text-decoration: none;
  transition: color 160ms var(--ease);
}

.page-privacy .breadcrumb__link:hover {
  color: var(--c-white);
}

.page-privacy .breadcrumb__current {
  color: var(--c-moss);
}

.pv-banner__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-moss);
}

.pv-banner__title {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(32px, 7.2vw, 64px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--c-white);
}

.pv-banner__lead {
  margin: 22px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pv-dim);
}

.pv-banner__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-text-2);
}

.pv-banner__facts li {
  display: flex;
  align-items: center;
  gap: 9px;
}

.pv-banner__facts li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-gold);
}

.pv-banner__stamp {
  display: inline-flex;
  align-items: center;
  margin: 30px 0 0;
  padding: 8px 15px;
  border: 1px solid var(--pv-line-strong);
  border-radius: 999px;
  background: var(--glass);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-gold);
}

/* ---------- 正文与章节索引 ---------- */
.pv-layout {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 34px var(--gutter) 76px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.pv-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-moss);
}

.pv-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px 0 2px;
  list-style: none;
  overflow-x: auto;
  border-top: 1px solid var(--pv-line-strong);
  scrollbar-width: none;
}

.pv-toc__list::-webkit-scrollbar {
  display: none;
}

.pv-toc__link {
  display: block;
  padding: 8px 13px;
  border: 1px solid var(--pv-line);
  border-radius: 999px;
  font-size: 13px;
  white-space: nowrap;
  color: var(--pv-dim);
  text-decoration: none;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background 160ms var(--ease);
}

.pv-toc__link:hover {
  color: var(--c-white);
  border-color: var(--pv-line-strong);
}

.pv-toc__link[aria-current="location"] {
  color: var(--c-white);
  border-color: var(--c-moss);
  background: rgba(47, 158, 139, 0.14);
}

.pv-body {
  min-width: 0;
}

.pv-section {
  scroll-margin-top: 118px;
}

.pv-section + .pv-section {
  margin-top: 42px;
  padding-top: 42px;
  border-top: 1px solid var(--pv-line);
}

.pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
}

.pv-section__num {
  flex: none;
  font-family: var(--font-num);
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--c-moss);
}

.pv-section__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 29px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--c-white);
}

.pv-text {
  margin: 0 0 16px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.9;
}

.pv-text:last-child {
  margin-bottom: 0;
}

.pv-text a {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(228, 177, 90, 0.45);
  transition: border-color 160ms var(--ease), color 160ms var(--ease);
}

.pv-text a:hover {
  color: var(--c-white);
  border-color: var(--c-white);
}

/* ---------- 浅底条款块 ---------- */
.pv-note {
  margin: 24px 0 0;
  max-width: 62ch;
  padding: 20px 22px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  background: var(--c-cream);
  color: var(--c-lift);
  font-size: 15px;
  line-height: 1.82;
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.pv-note:hover {
  border-color: rgba(10, 28, 46, 0.4);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.pv-note__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #2f9e8b;
}

.pv-cta-row {
  margin: 22px 0 0;
}

/* ---------- 操作条目 ---------- */
.pv-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 8px 0 0;
}

.pv-action {
  padding: 18px 20px;
  border: 1px solid var(--pv-line);
  border-radius: var(--r-md);
  background: var(--pv-panel);
  transition: border-color 170ms var(--ease), transform 170ms var(--ease);
}

.pv-action:hover {
  border-color: var(--pv-line-strong);
  transform: translateY(-2px);
}

.pv-action__title {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--c-white);
}

.pv-action__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pv-dim);
}

/* ---------- 返回顶部 ---------- */
.pv-top {
  display: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .pv-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .pv-banner__inner {
    padding: 34px var(--gutter) 76px;
  }

  .pv-layout {
    grid-template-columns: 238px minmax(0, 1fr);
    gap: 62px;
    padding-top: 60px;
  }

  .pv-toc {
    position: sticky;
    top: 116px;
    align-self: start;
  }

  .pv-toc__list {
    display: block;
    padding: 6px 0 0;
    border-top: 0;
    border-left: 1px solid var(--pv-line-strong);
    overflow: visible;
  }

  .pv-toc__link {
    position: relative;
    padding: 10px 0 10px 17px;
    border: 0;
    border-radius: 0;
    font-size: 14px;
    white-space: normal;
    line-height: 1.5;
  }

  .pv-toc__link[aria-current="location"] {
    background: none;
  }

  .pv-toc__link[aria-current="location"]::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 10px;
    bottom: 10px;
    width: 2px;
    background: var(--c-moss);
  }

  .pv-top {
    position: fixed;
    left: 28px;
    bottom: 28px;
    z-index: 40;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: 1px solid var(--pv-line-strong);
    border-radius: 50%;
    background: var(--glass);
    color: var(--c-white);
    font-size: 18px;
    line-height: 1;
    text-decoration: none;
    backdrop-filter: blur(8px);
    transition: border-color 170ms var(--ease), background 170ms var(--ease);
  }

  .pv-top:hover {
    border-color: var(--c-moss);
    background: rgba(18, 48, 76, 0.92);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition: none !important;
    animation: none !important;
  }
}