.page-privacy {
  --pp-idx: 224px;
  --pp-measure: 34em;
  background: var(--c-900);
}

/* 首屏 */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding-block: clamp(26px, 5vw, 56px) clamp(34px, 6vw, 76px);
  background: var(--c-900);
}

.page-privacy .pp-hero__art {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-privacy .pp-hero__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(180deg, rgba(7, 35, 30, 0.5) 0%, rgba(7, 35, 30, 0.9) 72%, var(--c-900) 100%),
    linear-gradient(90deg, var(--c-900) 6%, rgba(7, 35, 30, 0.25) 78%);
}

.page-privacy .pp-hero__inner {
  display: grid;
  gap: 16px;
}

.page-privacy .pp-hero__title {
  margin: 0;
  font-size: var(--fs-display);
  font-weight: 260;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-privacy .pp-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: clamp(16px, 1.4vw, 19px);
  line-height: 1.85;
  color: var(--c-ink);
}

.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 4px 0 0;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
}

.page-privacy .pp-ver {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 46px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(43, 232, 196, 0.42);
  background: rgba(43, 232, 196, 0.12);
  color: var(--c-signal);
  font-size: 14px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

/* 版式骨架：左索引 + 右正文 */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 52px);
  align-items: start;
  padding-block: clamp(34px, 6vw, 72px) clamp(56px, 9vw, 104px);
}

.page-privacy .pp-index {
  padding: 16px;
  border-radius: var(--r-lg);
  background: var(--c-800);
}

.page-privacy .pp-index__title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-muted);
}

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

.page-privacy .pp-index__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 12px;
  border-left: 2px solid var(--c-line);
  border-radius: 0 var(--r-pill) var(--r-pill) 0;
  color: var(--c-muted);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-privacy .pp-index__link:hover,
.page-privacy .pp-index__link:focus-visible {
  color: var(--c-ink);
  border-left-color: var(--c-signal);
  background: var(--c-700);
}

.page-privacy .pp-index__no {
  color: var(--c-signal);
  font-size: 12px;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
}

/* 正文章节 */
.page-privacy .pp-body {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  min-width: 0;
}

.page-privacy .pp-sec {
  padding: clamp(24px, 3.5vw, 42px) clamp(20px, 3vw, 44px);
  border-radius: var(--r-lg);
  background: var(--c-900);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-privacy .pp-sec:nth-child(odd) {
  background: var(--c-800);
}

.page-privacy .pp-sec__no {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--c-signal);
  font-size: 13px;
  letter-spacing: 0.18em;
  font-variant-numeric: tabular-nums;
}

.page-privacy .pp-sec__title {
  margin: 0 0 14px;
  font-size: var(--fs-h2);
  font-weight: 600;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-privacy .pp-sec__lead {
  margin: 0 0 20px;
  max-width: var(--pp-measure);
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 600;
  line-height: 1.65;
  color: var(--c-ink);
}

.page-privacy .pp-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: var(--pp-measure);
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink);
  overflow-wrap: anywhere;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.8em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-signal);
  opacity: 0.85;
}

.page-privacy .pp-list__key {
  color: var(--c-signal-2);
  font-weight: 600;
}

.page-privacy .pp-note {
  max-width: var(--pp-measure);
  margin: 20px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--c-warn);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: rgba(255, 162, 58, 0.09);
  color: var(--c-ink);
  font-size: 15px;
  line-height: 1.8;
}

.page-privacy .pp-note a {
  color: var(--c-warn);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 联系渠道 */
.page-privacy .pp-contact {
  display: grid;
  gap: 10px;
  max-width: var(--pp-measure);
  margin-top: 22px;
  padding: 18px 20px;
  border-radius: var(--r-md);
  background: rgba(43, 232, 196, 0.07);
}

.page-privacy .pp-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--c-ink);
}

.page-privacy .pp-contact__key {
  min-width: 76px;
  padding-top: 3px;
  color: var(--c-muted);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.page-privacy .pp-contact__val {
  color: var(--c-signal);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

/* 相关页面 */
.page-privacy .pp-related {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(18px, 3vw, 28px);
  padding-top: 20px;
  border-top: 1px solid var(--c-line);
}

.page-privacy .pp-related a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 6px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-line);
  color: var(--c-ink);
  font-size: 14px;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-privacy .pp-related a:hover,
.page-privacy .pp-related a:focus-visible {
  color: var(--c-signal);
  border-color: var(--c-signal);
  background: var(--c-800);
}

/* 回到页首 */
.page-privacy .pp-top {
  position: fixed;
  right: clamp(14px, 2vw, 28px);
  bottom: clamp(14px, 2vw, 28px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-pill);
  border: 1px solid var(--c-line);
  background: var(--c-700);
  color: var(--c-signal);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-decoration: none;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .pp-top::before {
  content: "\2191";
  font-size: 14px;
  line-height: 1;
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  color: var(--c-ink);
  border-color: var(--c-signal);
}

/* 桌面端：索引常驻左侧 */
@media (min-width: 900px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-idx) minmax(0, 1fr);
  }

  .page-privacy .pp-index {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
    padding: 0;
    border-radius: 0;
    background: transparent;
  }

  .page-privacy .pp-index__title {
    padding-left: 12px;
  }
}

@media (max-width: 899px) {
  .page-privacy .pp-hero__title {
    letter-spacing: -0.01em;
  }

  .page-privacy .pp-sec {
    scroll-margin-top: calc(var(--bar-h) + 12px);
  }
}

@media (max-width: 599px) {
  .page-privacy .pp-top {
    padding: 9px 14px;
    font-size: 12px;
  }

  .page-privacy .pp-contact__key {
    min-width: 100%;
    padding-top: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index__link,
  .page-privacy .pp-related a,
  .page-privacy .pp-top {
    transition: none;
  }
}