.page-privacy {
  --pv-measure: 40rem;
  --pv-hang: 88px;
  display: block;
  background: var(--sky-900);
}

/* 阅读位置指示线 */
.page-privacy .pv-progress {
  position: fixed;
  left: 0;
  right: 0;
  top: var(--bar-h);
  height: 2px;
  z-index: 70;
  pointer-events: none;
  opacity: .9;
  background: linear-gradient(90deg, var(--clay) 0%, var(--clay-lite) 42%, var(--neon) 100%);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

@supports (animation-timeline: scroll()) {
  .page-privacy .pv-progress {
    animation: pv-privacy-scan linear both;
    animation-timeline: scroll(root block);
  }
}

@keyframes pv-privacy-scan {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* 顶部：深空蓝区 */
.page-privacy .pv-mast {
  position: relative;
  overflow: hidden;
  padding: 26px 20px 0;
  background:
    radial-gradient(130% 100% at 88% -30%, rgba(59, 46, 110, .62) 0%, rgba(59, 46, 110, 0) 58%),
    radial-gradient(90% 80% at -10% 110%, rgba(180, 71, 43, .26) 0%, rgba(180, 71, 43, 0) 55%),
    var(--sky-900);
}

.page-privacy .pv-mast::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(244, 239, 231, .035) 0 1px,
    transparent 1px 9px
  );
}

.page-privacy .pv-mast__inner {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  padding-bottom: 30px;
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--gray);
}

.page-privacy .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
  transition: color .18s ease;
}

.page-privacy .breadcrumb a:hover {
  color: var(--neon);
}

.page-privacy .breadcrumb__sep {
  color: var(--clay);
}

.page-privacy .breadcrumb [aria-current="page"] {
  color: var(--paper);
}

.page-privacy .pv-kicker {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .22em;
  color: var(--neon);
}

.page-privacy .pv-kicker::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

.page-privacy .pv-mast__title {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: var(--fs-hero);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--paper);
  max-width: 16ch;
}

.page-privacy .pv-mast__sub {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-sub);
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--clay-lite);
  max-width: 26ch;
}

.page-privacy .pv-mast__lead {
  margin: 18px 0 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(244, 239, 231, .78);
  max-width: 42ch;
}

.page-privacy .pv-meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
}

.page-privacy .pv-meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-privacy .pv-meta__k {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .1em;
  color: var(--gray);
}

.page-privacy .pv-meta__v {
  font-family: var(--font-mono);
  font-size: .75rem;
  color: var(--paper);
  word-break: break-all;
}

/* 首屏纹理条 */
.page-privacy .pv-strip {
  position: relative;
  margin: 0 auto;
  max-width: 1200px;
}

.page-privacy .pv-strip__frame {
  position: relative;
  height: clamp(150px, 26vw, 268px);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 26px));
}

.page-privacy .pv-strip__frame img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: 68% 50%;
  filter: saturate(.92);
}

.page-privacy .pv-strip__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(11, 22, 38, .18) 0%, rgba(180, 71, 43, .22) 100%);
}

.page-privacy .pv-strip__cap {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--gray);
}

/* 米白纸面长文区 */
.page-privacy .pv-sheet {
  position: relative;
  background: var(--paper);
  color: var(--ink);
  padding: 52px 20px 60px;
}

.page-privacy .pv-sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(20, 18, 16, .04) 1px, transparent 1px);
  background-size: 4px 4px;
}

.page-privacy .pv-sheet__inner {
  position: relative;
  max-width: calc(var(--pv-measure) + var(--pv-hang));
  margin: 0 auto;
}

.page-privacy .pv-sec {
  position: relative;
}

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

.page-privacy .pv-sec__num {
  display: inline-block;
  margin: 0 0 10px;
  padding-left: 9px;
  border-left: 3px solid var(--clay);
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: .1em;
  color: var(--clay);
}

.page-privacy .pv-sec__title {
  margin: 0 0 14px;
  font-size: var(--fs-title);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-privacy .pv-sec__lead {
  margin: 0 0 20px;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: rgba(20, 18, 16, .82);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-list__item {
  padding-top: 13px;
  border-top: 1px solid var(--ink-line);
}

.page-privacy .pv-list__item + .pv-list__item {
  margin-top: 14px;
}

.page-privacy .pv-list__key {
  display: block;
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--teal-deep);
}

.page-privacy .pv-list__text {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .pv-callout {
  margin: 24px 0 0;
  padding: 16px 18px;
  background: rgba(43, 227, 176, .16);
  border-left: 3px solid var(--teal-deep);
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--ink);
}

/* 底部深色收束区 */
.page-privacy .pv-tail {
  padding: 52px 20px 68px;
  background: var(--sky-900);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-tail__inner {
  max-width: calc(var(--pv-measure) + var(--pv-hang));
  margin: 0 auto;
}

.page-privacy .pv-tail__title {
  margin: 0 0 20px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: var(--fs-sub);
  letter-spacing: .01em;
  color: var(--clay-lite);
}

.page-privacy .pv-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-privacy .pv-links li {
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-links a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
  color: var(--paper);
  font-weight: 600;
  font-size: .9375rem;
  transition: color .18s ease;
}

.page-privacy .pv-links a:hover {
  color: var(--neon);
}

.page-privacy .pv-links a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

.page-privacy .pv-links__path {
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .06em;
  color: var(--gray);
}

.page-privacy .pv-links__desc {
  margin: 6px 0 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--gray);
}

.page-privacy .pv-top {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 34px;
  padding: 11px 20px;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .12em;
  color: var(--paper);
  text-decoration: none;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-privacy .pv-top:hover {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--paper);
}

.page-privacy .pv-top:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--neon);
}

/* 桌面：单栏窄版 + 悬挂编号 */
@media (min-width: 900px) {
  .page-privacy .pv-mast {
    padding: 40px 32px 0;
  }

  .page-privacy .pv-mast__inner {
    padding-bottom: 40px;
  }

  .page-privacy .pv-meta {
    gap: 10px 44px;
  }

  .page-privacy .pv-sheet {
    padding: 72px 32px 92px;
  }

  .page-privacy .pv-sec {
    padding-left: var(--pv-hang);
  }

  .page-privacy .pv-sec + .pv-sec {
    margin-top: 52px;
    padding-top: 52px;
  }

  .page-privacy .pv-sec__num {
    position: absolute;
    left: 0;
    top: 4px;
    margin: 0;
    padding-left: 0;
    border-left: 0;
    font-size: .875rem;
    letter-spacing: .16em;
  }

  .page-privacy .pv-sec__num::after {
    content: "";
    display: block;
    width: 1px;
    height: 40px;
    margin: 12px auto 0;
    background: var(--ink-line);
  }

  .page-privacy .pv-sec__title {
    max-width: 24ch;
  }

  .page-privacy .pv-tail {
    padding: 64px 32px 84px;
  }

  .page-privacy .pv-tail__inner {
    padding-left: var(--pv-hang);
  }
}