.page-privacy {
  --pp-measure: 62em;
  --pp-rail: 200px;
  position: relative;
  display: block;
  padding-bottom: 128px;
  color: var(--c-ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .breadcrumbs {
  margin-top: 8px;
}

.page-privacy .privacy-hero {
  max-width: 800px;
  padding-top: 48px;
}

.page-privacy .privacy-hero__title {
  margin: 20px 0 0;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 9vw, 86px);
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--c-ink);
}

.page-privacy .privacy-hero__lede {
  margin: 26px 0 0;
  max-width: 46em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--c-ink-soft);
}

.page-privacy .privacy-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin: 36px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--c-line);
}

.page-privacy .privacy-facts__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .privacy-facts__num {
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-ink);
}

.page-privacy .privacy-facts__label {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-ink-soft);
}

/* ---------- 顶部装饰带 ---------- */
.page-privacy .privacy-band {
  margin: 56px 0 0;
}

.page-privacy .privacy-band img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.72;
}

/* ---------- 文档布局 ---------- */
.page-privacy .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  margin-top: 72px;
}

.page-privacy .doc-index__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--c-ink-soft);
}

.page-privacy .doc-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--c-line);
}

.page-privacy .doc-index__item {
  margin: 0;
}

.page-privacy .doc-index__link {
  display: block;
  padding: 10px 0 10px 16px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-ink-soft);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .doc-index__link:hover,
.page-privacy .doc-index__link:focus-visible {
  color: var(--c-cyan);
  border-left-color: var(--c-cyan);
}

.page-privacy .doc-index__note {
  margin: 20px 0 0;
  padding-left: 16px;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-ink-soft);
  opacity: 0.85;
}

.page-privacy .doc-column {
  max-width: var(--pp-measure);
  min-width: 0;
}

/* ---------- 章节 ---------- */
.page-privacy .doc-section {
  padding-top: 26px;
  margin-top: 64px;
  border-top: 2px solid var(--c-line);
  scroll-margin-top: calc(var(--bar-h) + 36px);
}

.page-privacy .doc-section:first-child {
  margin-top: 0;
}

.page-privacy .doc-section:target {
  animation: pp-target 2s var(--ease) 1 both;
}

@keyframes pp-target {
  0% { border-top-color: var(--c-cyan); }
  40% { border-top-color: var(--c-cyan); }
  100% { border-top-color: var(--c-line); }
}

.page-privacy .doc-tag {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--c-ink-soft);
}

.page-privacy .doc-section__title {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-ink);
}

.page-privacy .doc-subtitle {
  margin: 34px 0 14px;
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--c-ink);
}

.page-privacy .doc-section p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--c-ink-soft);
}

.page-privacy .doc-section p + p {
  margin-top: 0;
}

.page-privacy .doc-aside {
  font-size: 14px !important;
  line-height: 1.85;
  color: var(--c-ink-soft);
  opacity: 0.9;
}

.page-privacy .doc-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 207, 0.35);
  transition: border-color 180ms var(--ease);
}

.page-privacy .doc-link:hover,
.page-privacy .doc-link:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* ---------- 条目列表：悬挂缩进 + 方形浅点 ---------- */
.page-privacy .doc-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .doc-list__item {
  position: relative;
  padding-left: 22px;
  margin-bottom: 14px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--c-ink-soft);
}

.page-privacy .doc-list__item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.82em;
  width: 6px;
  height: 6px;
  background: var(--c-ink-soft);
  opacity: 0.6;
}

.page-privacy .doc-list--plain .doc-list__item {
  margin-bottom: 8px;
}

.page-privacy .doc-list--plain .doc-list__item::before {
  background: var(--c-cyan);
  opacity: 0.85;
}

.page-privacy .doc-lead {
  color: var(--c-ink);
  font-weight: 500;
}

/* ---------- 四格说明 ---------- */
.page-privacy .doc-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: 20px;
  overflow: hidden;
}

.page-privacy .doc-cell {
  padding: 24px 22px 20px;
  background: var(--c-panel);
}

.page-privacy .doc-cell__label {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--c-ink-soft);
}

.page-privacy .doc-cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-ink-soft);
}

.page-privacy .doc-cell .mono {
  color: var(--c-ink);
}

/* ---------- 步骤 ---------- */
.page-privacy .doc-steps {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  counter-reset: pp-step;
}

.page-privacy .doc-steps__item {
  position: relative;
  counter-increment: pp-step;
  padding: 14px 0 14px 46px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-ink-soft);
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .doc-steps__item:first-child {
  border-top: 1px solid var(--c-line);
}

.page-privacy .doc-steps__item::before {
  content: counter(pp-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
}

/* ---------- 相关条目 ---------- */
.page-privacy .doc-related {
  margin-top: 88px;
  padding-top: 24px;
  border-top: 2px solid var(--c-line);
}

.page-privacy .doc-related__title {
  margin: 0 0 18px;
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--c-ink-soft);
  font-weight: 400;
}

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

.page-privacy .doc-related__item {
  margin-bottom: 12px;
  font-size: 16px;
  line-height: 1.7;
}

/* ---------- 固定装饰轨道 ---------- */
.page-privacy .privacy-orbit {
  position: fixed;
  right: -104px;
  bottom: -104px;
  width: 300px;
  height: 300px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.55;
  animation: pp-drift 26s linear infinite;
}

@keyframes pp-drift {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 3;
  width: 52px;
  height: 52px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--c-line);
  background: var(--c-panel-soft);
  backdrop-filter: blur(6px);
  color: var(--c-ink-soft);
  text-decoration: none;
  font-size: 10px;
  letter-spacing: 0.1em;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-privacy .privacy-to-top__ring {
  width: 16px;
  height: 16px;
  margin-bottom: 2px;
  border: 1px solid currentColor;
  border-radius: 50%;
  position: relative;
}

.page-privacy .privacy-to-top__ring::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 4px;
  width: 1px;
  height: 7px;
  background: currentColor;
  transform: translateX(-50%);
}

.page-privacy .privacy-to-top:hover,
.page-privacy .privacy-to-top:focus-visible {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  transform: translateY(-2px);
}

.page-privacy .privacy-to-top:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 3px;
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-to-top {
    animation: pp-top-in linear both;
    animation-timeline: scroll(root);
    animation-range: 120vh 170vh;
  }
}

@keyframes pp-top-in {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-band img {
    height: 280px;
  }

  .page-privacy .doc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-hero {
    padding-top: 64px;
  }

  .page-privacy .privacy-band img {
    height: 260px;
  }

  .page-privacy .doc-layout {
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: 84px;
    max-width: 1040px;
    margin-top: 88px;
  }

  .page-privacy .doc-rail {
    position: sticky;
    top: calc(var(--bar-h) + 32px);
    align-self: start;
  }

  .page-privacy .doc-section {
    margin-top: 78px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-orbit {
    animation: none;
  }

  .page-privacy .privacy-to-top,
  .page-privacy .doc-section:target {
    animation: none;
  }

  .page-privacy .privacy-to-top:hover,
  .page-privacy .privacy-to-top:focus-visible {
    transform: none;
  }
}