/* ===== 个人信息说明 · 页面专属样式 ===== */
.page-privacy {
  --privacy-measure: 40rem;
  --privacy-rule: rgba(159, 179, 168, 0.26);
  --privacy-ink-soft: rgba(241, 233, 216, 0.8);
  padding-top: var(--nav-h);
  padding-bottom: calc(110px + env(safe-area-inset-bottom, 0px));
  background: var(--night);
  color: var(--cream);
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  padding-bottom: 8px;
}

.page-privacy .privacy-hero__head {
  padding-top: 26px;
  border-top: 1px solid rgba(200, 242, 78, 0.22);
}

.page-privacy .privacy-plate {
  margin: 22px 0 14px;
}

.page-privacy .privacy-title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 88%;
  font-size: clamp(34px, 9vw, 72px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--cream);
  text-wrap: balance;
}

.page-privacy .privacy-lede {
  max-width: 42rem;
  margin: 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--privacy-ink-soft);
}

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

.page-privacy .privacy-hero__media .media-frame__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: 1px solid rgba(200, 242, 78, 0.18);
  border-radius: var(--radius);
}

/* ---------- 主体骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 44px;
}

/* ---------- 左侧章节刻度尺（移动端为横滑标签） ---------- */
.page-privacy .privacy-rail {
  padding-top: 14px;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .privacy-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-rail__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-rail__item {
  flex: 0 0 auto;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid rgba(159, 179, 168, 0.24);
  border-radius: var(--radius);
  color: var(--cream);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  border-color: var(--hair-strong);
  background: var(--glass);
  color: var(--lime);
}

.page-privacy .privacy-rail__no {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--lime);
}

.page-privacy .privacy-rail__name {
  color: inherit;
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
}

.page-privacy .privacy-sec {
  padding-top: 34px;
  border-top: 1px solid var(--privacy-rule);
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: 48px;
}

.page-privacy .privacy-sec__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 700;
  font-stretch: 88%;
  font-size: clamp(22px, 5.4vw, 32px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-privacy .privacy-sec__no {
  flex: 0 0 auto;
  min-width: 2.1em;
  text-align: right;
  font-family: var(--font-num);
  font-size: 0.6em;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-privacy .privacy-sec p {
  max-width: var(--privacy-measure);
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--privacy-ink-soft);
}

.page-privacy .privacy-sec p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-sub {
  max-width: var(--privacy-measure);
  margin: 26px 0 12px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--amber);
}

.page-privacy .privacy-list {
  max-width: var(--privacy-measure);
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.74;
  color: var(--privacy-ink-soft);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 9px;
  height: 1px;
  background: var(--lime);
}

.page-privacy .privacy-list strong {
  color: var(--cream);
  font-weight: 600;
}

/* ---------- 关键定义：奶油纸小块 ---------- */
.page-privacy .privacy-sec p.privacy-note {
  max-width: var(--privacy-measure);
  margin: 24px 0 0;
  padding: 18px 20px 18px 22px;
  background: var(--cream);
  color: var(--ink);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  font-size: 15.5px;
  line-height: 1.72;
}

.page-privacy .privacy-sec a {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: rgba(200, 242, 78, 0.45);
  transition: text-decoration-color 0.2s var(--ease);
}

.page-privacy .privacy-sec a:hover,
.page-privacy .privacy-sec a:focus-visible {
  text-decoration-color: var(--lime);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-top {
  position: fixed;
  right: 14px;
  bottom: 88px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  border: 1px solid var(--hair-strong);
  border-radius: 999px;
  background: rgba(6, 26, 21, 0.86);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  color: var(--lime);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  background: var(--lime);
  color: var(--night);
}

.page-privacy .privacy-top__glyph {
  font-family: var(--font-num);
  font-size: 14px;
  line-height: 1;
}

/* ---------- 桌面端：刻度尺常驻，单列窄版心 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero__head {
    padding-top: 34px;
  }

  .page-privacy .privacy-body {
    grid-template-columns: 136px minmax(0, 1fr);
    gap: 64px;
    margin-top: 64px;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--nav-h) + 36px);
    align-self: start;
  }

  .page-privacy .privacy-rail__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail__item + .privacy-rail__item {
    margin-top: 2px;
  }

  .page-privacy .privacy-rail__link {
    display: block;
    padding: 6px 0;
    border: 0;
    border-radius: 0;
    background: none;
    white-space: normal;
  }

  .page-privacy .privacy-rail__link:hover,
  .page-privacy .privacy-rail__link:focus-visible {
    background: none;
  }

  .page-privacy .privacy-rail__link::before {
    content: "";
    display: block;
    width: 12px;
    height: 1px;
    margin-bottom: 7px;
    background: rgba(159, 179, 168, 0.42);
    transition: background-color 0.22s var(--ease);
  }

  .page-privacy .privacy-rail__item:nth-child(1) .privacy-rail__link::before { width: 12px; }
  .page-privacy .privacy-rail__item:nth-child(2) .privacy-rail__link::before { width: 21px; }
  .page-privacy .privacy-rail__item:nth-child(3) .privacy-rail__link::before { width: 30px; }
  .page-privacy .privacy-rail__item:nth-child(4) .privacy-rail__link::before { width: 39px; }
  .page-privacy .privacy-rail__item:nth-child(5) .privacy-rail__link::before { width: 48px; }
  .page-privacy .privacy-rail__item:nth-child(6) .privacy-rail__link::before { width: 57px; }

  .page-privacy .privacy-rail__link:hover::before,
  .page-privacy .privacy-rail__link:focus-visible::before {
    background: var(--lime);
  }

  .page-privacy .privacy-sec {
    padding-top: 40px;
  }

  .page-privacy .privacy-sec + .privacy-sec {
    margin-top: 58px;
  }

  .page-privacy .privacy-top {
    right: 28px;
    bottom: 104px;
  }
}

/* ---------- 滚动两屏后出现（支持滚动驱动动画时生效） ---------- */
@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-top {
    animation: privacy-top-in linear both;
    animation-timeline: scroll(root);
    animation-range: 110vh 200vh;
  }
}

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

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-top {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-rail__link::before,
  .page-privacy .privacy-sec a {
    transition: none;
  }
}