.page-privacy {
  background: var(--yt-ink-900);
  color: var(--yt-paper-50);
  --pp-measure: 68ch;
  --pp-pad-x: clamp(18px, 3.2vw, 40px);
}

.page-privacy a:focus-visible {
  outline: 2px solid var(--yt-orange-500);
  outline-offset: 2px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--yt-header-h) + clamp(18px, 4vw, 56px)) 0 clamp(36px, 6vw, 76px);
}

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

.page-privacy .pp-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.06);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(6, 35, 28, 0.94) 0%, rgba(6, 35, 28, 0.82) 44%, var(--yt-ink-900) 100%);
}

.page-privacy .pp-hero__inner {
  position: relative;
}

.page-privacy .pp-hero__title {
  margin: 18px 0 0;
  font-family: var(--yt-font-head);
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.page-privacy .pp-hero__lead {
  margin: 20px 0 0;
  max-width: var(--pp-measure);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: var(--yt-steel-200);
}

.page-privacy .pp-hero__meta {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-family: var(--yt-font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--yt-steel-200);
}

.page-privacy .pp-hero__meta li {
  position: relative;
  padding-left: 22px;
}

.page-privacy .pp-hero__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 12px;
  height: 2px;
  background: var(--yt-orange-500);
}

/* ---------- 分栏骨架 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  padding-top: clamp(12px, 2.4vw, 28px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 刻线锚点导航 ---------- */
.page-privacy .pp-anchor {
  margin-bottom: 22px;
}

.page-privacy .pp-anchor__title {
  margin: 0 0 10px;
  font-family: var(--yt-font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--yt-steel-200);
}

.page-privacy .pp-anchor__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pp-anchor__item {
  flex: 0 0 auto;
}

.page-privacy .pp-anchor__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 12px;
  border-left: 2px solid var(--yt-line);
  color: var(--yt-steel-200);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-privacy .pp-anchor__link:hover,
.page-privacy .pp-anchor__link:focus-visible {
  color: var(--yt-paper-50);
  border-left-color: var(--yt-orange-500);
  background: rgba(255, 90, 31, 0.08);
}

.page-privacy .pp-anchor__num {
  font-family: var(--yt-font-mono);
  font-size: 12px;
  color: var(--yt-orange-500);
}

/* ---------- 正文列 ---------- */
.page-privacy .pp-body {
  max-width: var(--pp-measure);
}

.page-privacy .pp-sec {
  padding: clamp(30px, 4.4vw, 54px) var(--pp-pad-x);
  scroll-margin-top: calc(var(--yt-header-h-compact) + 24px);
}

.page-privacy .pp-sec--mid {
  background: var(--yt-ink-700);
}

.page-privacy .pp-sec--dark {
  background: var(--yt-ink-900);
}

.page-privacy .pp-sec--paper {
  background: var(--yt-paper-50);
  color: var(--yt-text-900);
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 0 0 14px;
}

.page-privacy .pp-sec--mid .pp-sec__head {
  background: var(--yt-ink-700);
}

.page-privacy .pp-sec--dark .pp-sec__head {
  background: var(--yt-ink-900);
}

.page-privacy .pp-sec--paper .pp-sec__head {
  background: var(--yt-paper-50);
}

.page-privacy .pp-sec__num {
  margin: 0;
  font-family: var(--yt-font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--yt-orange-500);
}

.page-privacy .pp-sec__title {
  margin: 0;
  font-family: var(--yt-font-head);
  font-size: clamp(22px, 2.8vw, 32px);
  line-height: 1.24;
  letter-spacing: -0.01em;
}

.page-privacy .pp-sec--paper .pp-sec__title {
  color: var(--yt-text-900);
}

.page-privacy .pp-sec__lead {
  margin: 0 0 22px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--yt-steel-200);
}

.page-privacy .pp-sec--paper .pp-sec__lead {
  color: rgba(14, 21, 18, 0.82);
}

/* ---------- 信息条目 ---------- */
.page-privacy .pp-terms {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-privacy .pp-term {
  padding-left: 18px;
  border-left: 2px solid var(--yt-line);
}

.page-privacy .pp-sec--paper .pp-term {
  border-left-color: rgba(44, 90, 124, 0.35);
}

.page-privacy .pp-term__k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--yt-font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--yt-lime-400);
}

.page-privacy .pp-sec--paper .pp-term__k {
  color: var(--yt-steel-600);
}

.page-privacy .pp-term__v {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--yt-steel-200);
}

.page-privacy .pp-sec--paper .pp-term__v {
  color: rgba(14, 21, 18, 0.82);
}

/* ---------- 提示条 ---------- */
.page-privacy .pp-note {
  margin: 26px 0 0;
  padding: 16px 18px;
  border-left: 3px solid var(--yt-orange-500);
  background: rgba(255, 90, 31, 0.1);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--yt-paper-50);
}

.page-privacy .pp-sec--paper .pp-note {
  background: rgba(255, 90, 31, 0.12);
  color: var(--yt-text-900);
}

/* ---------- 联系信息 ---------- */
.page-privacy .pp-contact {
  display: grid;
  gap: 0;
  margin: 4px 0 26px;
}

.page-privacy .pp-contact__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--yt-line);
}

.page-privacy .pp-contact__row:last-child {
  border-bottom: 1px solid var(--yt-line);
}

.page-privacy .pp-contact__key {
  margin: 0;
  font-family: var(--yt-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--yt-steel-200);
}

.page-privacy .pp-contact__val {
  margin: 0;
  font-size: 16.5px;
  line-height: 1.6;
  color: var(--yt-paper-50);
  overflow-wrap: anywhere;
}

.page-privacy .pp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 桌面增强 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-sec__head {
    position: sticky;
    top: calc(var(--yt-header-h-compact) + 8px);
    z-index: 3;
    margin: 0 calc(var(--pp-pad-x) * -1);
    padding: 14px var(--pp-pad-x);
  }

  .page-privacy .pp-contact__row {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    column-gap: clamp(28px, 4vw, 64px);
  }

  .page-privacy .pp-anchor {
    position: sticky;
    top: calc(var(--yt-header-h-compact) + 28px);
    margin-bottom: 0;
  }

  .page-privacy .pp-anchor__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pp-anchor__link {
    display: flex;
    width: 100%;
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-anchor__link {
    transition: none;
  }
}