.page-privacy {
  --leg-narrow: 780px;
  --leg-rail: 72px;
  --leg-gap: 20px;
  background: var(--c-bg);
  color: var(--c-white);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-privacy .leg-hero {
  position: relative;
  padding: clamp(28px, 5vw, 52px) 0 clamp(20px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-privacy .leg-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(12, 31, 56, 0.92) 0%, rgba(6, 18, 36, 0.98) 100%),
    repeating-linear-gradient(90deg, rgba(61, 242, 218, 0.07) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, rgba(61, 242, 218, 0.05) 0 1px, transparent 1px 64px);
}

.page-privacy .leg-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .leg-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(22px, 4vw, 40px);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--c-slate);
}

.page-privacy .leg-crumbs a {
  color: var(--c-slate);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-privacy .leg-crumbs a:hover,
.page-privacy .leg-crumbs a:focus-visible {
  color: var(--c-cyan);
}

.page-privacy .leg-h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 56px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-privacy .leg-hero__lede {
  max-width: 64ch;
  margin: 20px 0 0;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.8;
  color: rgba(234, 244, 255, 0.82);
}

.page-privacy .leg-hero__fig {
  margin: clamp(26px, 4vw, 44px) 0 0;
}

.page-privacy .leg-hero__fig .figure__frame {
  aspect-ratio: 1600 / 600;
  overflow: hidden;
  border: 1px solid var(--line);
}

.page-privacy .leg-hero__fig img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .leg-hero__fig .figure__cap {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-slate);
}

/* ---------- 章节索引条 ---------- */
.page-privacy .leg-toc {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 18, 36, 0.94);
  backdrop-filter: blur(10px);
}

.page-privacy .leg-toc__scroll {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 11px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .leg-toc__label {
  flex: none;
  font-family: var(--font-cond);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--c-steal);
  text-transform: uppercase;
}

.page-privacy .leg-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .leg-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  color: var(--c-slate);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .leg-toc__list a:hover,
.page-privacy .leg-toc__list a:focus-visible {
  color: var(--c-white);
  border-color: var(--line-cyan);
  background: rgba(61, 242, 218, 0.08);
}

.page-privacy .leg-toc__no {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--c-cyan);
}

/* ---------- 正文窄栏 ---------- */
.page-privacy .leg-body {
  max-width: var(--leg-narrow);
  margin: 0 auto;
  padding: clamp(36px, 6vw, 68px) 0 clamp(72px, 9vw, 116px);
}

.page-privacy .leg-sec {
  display: grid;
  grid-template-columns: var(--leg-rail) 1fr;
  gap: 0 var(--leg-gap);
  padding: clamp(30px, 4vw, 44px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 92px;
}

.page-privacy .leg-sec__no {
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

.page-privacy .leg-sec__title {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-privacy .leg-sec__body {
  color: rgba(234, 244, 255, 0.84);
  font-size: 16px;
}

.page-privacy .leg-sec__body > p {
  margin: 0 0 18px;
}

.page-privacy .leg-sec__body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .leg-sec__body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
}

.page-privacy .leg-sec__body a:hover,
.page-privacy .leg-sec__body a:focus-visible {
  color: var(--c-cyan-soft);
}

/* ---------- 条目列表 ---------- */
.page-privacy .leg-list {
  display: grid;
  gap: 13px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .leg-list:last-child {
  margin-bottom: 0;
}

.page-privacy .leg-list > li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.75;
}

.page-privacy .leg-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--c-cyan);
}

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

/* ---------- 暖纸色面板 ---------- */
.page-privacy .leg-paper {
  margin-top: 4px;
  padding: clamp(22px, 3.6vw, 38px);
  background: var(--c-paper);
  color: var(--c-ink);
  border: 1px solid rgba(10, 14, 20, 0.18);
}

.page-privacy .leg-paper__title {
  margin: 0 0 18px;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.01em;
  color: var(--c-ink);
}

.page-privacy .leg-paper .leg-list {
  gap: 12px;
}

.page-privacy .leg-paper .leg-list > li {
  color: rgba(10, 14, 20, 0.86);
  font-size: 15.5px;
}

.page-privacy .leg-paper .leg-list > li::before {
  background: var(--c-ink);
}

.page-privacy .leg-paper .leg-list strong {
  color: var(--c-ink);
}

/* ---------- 折叠问答 ---------- */
.page-privacy .leg-qa {
  border-top: 1px solid var(--line);
  margin-top: 18px;
}

.page-privacy .leg-qa summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: 16px;
  color: var(--c-white);
  transition: color var(--dur) var(--ease);
}

.page-privacy .leg-qa summary::-webkit-details-marker {
  display: none;
}

.page-privacy .leg-qa summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--c-cyan);
}

.page-privacy .leg-qa[open] summary::after {
  content: "\2013";
}

.page-privacy .leg-qa summary:hover,
.page-privacy .leg-qa summary:focus-visible {
  color: var(--c-cyan);
}

.page-privacy .leg-qa p {
  margin: 0 0 16px;
  padding-right: 12px;
  font-size: 15.5px;
  line-height: 1.75;
  color: rgba(234, 244, 255, 0.8);
}

.page-privacy .leg-paper .leg-qa {
  border-top-color: rgba(10, 14, 20, 0.2);
  margin-top: 22px;
}

.page-privacy .leg-paper .leg-qa summary {
  color: var(--c-ink);
}

.page-privacy .leg-paper .leg-qa summary::after {
  color: var(--c-ink);
}

.page-privacy .leg-paper .leg-qa summary:hover,
.page-privacy .leg-paper .leg-qa summary:focus-visible {
  color: rgba(10, 14, 20, 0.62);
}

.page-privacy .leg-paper .leg-qa p {
  color: rgba(10, 14, 20, 0.8);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .leg-totop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 13px;
  border: 1px solid var(--line-cyan);
  background: rgba(12, 31, 56, 0.94);
  color: var(--c-cyan);
  font-family: var(--font-cond);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .leg-totop:hover,
.page-privacy .leg-totop:focus-visible {
  background: rgba(61, 242, 218, 0.14);
  color: var(--c-cyan-soft);
}

.page-privacy .leg-totop__no {
  font-family: var(--font-mono);
}

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .page-privacy .leg-sec {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 28px 0;
  }

  .page-privacy .leg-sec__no {
    padding-top: 0;
  }

  .page-privacy .leg-toc__label {
    display: none;
  }

  .page-privacy .leg-totop {
    right: 12px;
    bottom: 12px;
    padding: 8px 11px;
    font-size: 11px;
  }

  .page-privacy .leg-totop span:last-child {
    display: none;
  }
}

@media (min-width: 1024px) {
  .page-privacy .leg-body {
    padding-bottom: 128px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .leg-toc__list a,
  .page-privacy .leg-totop,
  .page-privacy .leg-qa summary {
    transition: none;
  }
}