.page-privacy {
  --doc-rail: 40px;
  --doc-dot: var(--violet);
  --doc-ink: rgba(242, 239, 232, .74);
  position: relative;
  padding-bottom: 0;
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb {
  padding-top: calc(var(--header-h) + 22px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-head {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 30px) 0 clamp(28px, 5vw, 52px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-head::before {
  content: "";
  position: absolute;
  inset: -30% -12% auto -12%;
  height: 150%;
  background:
    radial-gradient(56% 66% at 16% 22%, rgba(110, 75, 209, .30), transparent 66%),
    radial-gradient(44% 58% at 86% 6%, rgba(79, 224, 200, .14), transparent 62%);
  pointer-events: none;
}

.page-privacy .privacy-head::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(242, 239, 232, .28) .8px, transparent 1.4px);
  background-size: 46px 38px;
  opacity: .5;
  pointer-events: none;
}

.page-privacy .privacy-head-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(32px, 6.6vw, 76px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--text-1);
  max-width: 22ch;
}

.page-privacy .privacy-title strong {
  font-weight: 700;
  color: var(--paper);
  background: linear-gradient(180deg, transparent 62%, rgba(110, 75, 209, .45) 62%);
}

.page-privacy .privacy-lead {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  max-width: 64ch;
  font-size: clamp(16px, 1.05vw, 17.5px);
  line-height: 1.85;
  color: var(--text-2);
}

/* ---------- 首屏数字条 ---------- */
.page-privacy .privacy-facts {
  list-style: none;
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  clip-path: var(--cut-path);
}

.page-privacy .privacy-facts li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 18px;
  background: linear-gradient(180deg, rgba(22, 32, 74, .78), rgba(11, 14, 26, .72));
}

.page-privacy .fact-key {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--text-3);
}

.page-privacy .fact-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--gold);
}

/* ---------- 目录 ---------- */
.page-privacy .privacy-toc {
  margin-top: clamp(24px, 3.6vw, 38px);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(19, 27, 59, .82), rgba(11, 14, 26, .55));
  clip-path: var(--cut-path);
  padding: 14px clamp(16px, 2.4vw, 24px) 16px;
}

.page-privacy .privacy-toc > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 4px 0;
}

.page-privacy .privacy-toc > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-toc .mono-index {
  color: var(--violet-soft);
}

.page-privacy .toc-hint {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-4);
}

.page-privacy .privacy-toc-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px 28px;
}

.page-privacy .privacy-toc-list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 0;
  color: var(--text-2);
  text-decoration: none;
  font-size: 15px;
  transition: color 200ms var(--ease);
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  color: var(--paper);
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
  letter-spacing: .1em;
}

/* ---------- 文档长卷 ---------- */
.page-privacy .doc-wrap {
  padding-top: clamp(10px, 2vw, 22px);
}

.page-privacy .doc-sec {
  display: grid;
  grid-template-columns: var(--doc-rail) minmax(0, 1fr);
  column-gap: 14px;
}

.page-privacy .doc-sec:nth-of-type(2) { --doc-dot: var(--cyan); }
.page-privacy .doc-sec:nth-of-type(3) { --doc-dot: var(--gold); }
.page-privacy .doc-sec:nth-of-type(4) { --doc-dot: var(--violet-soft); }
.page-privacy .doc-sec:nth-of-type(5) { --doc-dot: var(--cyan); }

.page-privacy .doc-rail {
  position: relative;
}

.page-privacy .doc-rail::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, rgba(110, 75, 209, .58), rgba(122, 132, 160, .18));
}

.page-privacy .doc-node {
  position: absolute;
  left: 4px;
  top: calc(clamp(30px, 5vw, 54px) + 6px);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--space);
  border: 1px solid var(--line-strong);
  transition: background 240ms var(--ease), border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-privacy .doc-node.is-active {
  background: var(--gold);
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(231, 180, 76, .16);
}

.page-privacy .doc-body {
  max-width: 660px;
  padding: clamp(30px, 5vw, 54px) 0;
}

.page-privacy .doc-body > p {
  margin: 1.05em 0 0;
  font-size: clamp(16px, 1.02vw, 17px);
  line-height: 1.85;
  color: var(--doc-ink);
}

.page-privacy .doc-body > p.doc-num {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.page-privacy .doc-body > p.doc-num::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--doc-dot);
  box-shadow: 0 0 10px rgba(110, 75, 209, .5);
}

.page-privacy .doc-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 2.9vw, 32px);
  font-weight: 300;
  line-height: 1.28;
  letter-spacing: -.005em;
  color: var(--text-1);
}

.page-privacy .doc-body > p.doc-open {
  margin-top: 1.15em;
  color: var(--text-2);
}

.page-privacy .doc-open::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 1px;
  margin-right: 12px;
  vertical-align: middle;
  background: var(--gold);
  transform: translateY(-3px);
}

/* ---------- 图 ---------- */
.page-privacy .privacy-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

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

/* ---------- 收束 ---------- */
.page-privacy .privacy-outro {
  margin-top: clamp(36px, 6vw, 76px);
  border-top: 1px solid var(--line);
  background: radial-gradient(74% 130% at 50% 118%, rgba(110, 75, 209, .22), transparent 72%);
  padding: clamp(28px, 4.6vw, 52px) 0 clamp(34px, 5vw, 58px);
}

.page-privacy .privacy-stars {
  height: 12px;
  margin-bottom: 20px;
  background-image: radial-gradient(circle, rgba(242, 239, 232, .55) 1px, transparent 1.6px);
  background-size: 20px 12px;
  opacity: .55;
}

.page-privacy .outro-line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--text-3);
}

.page-privacy .outro-links {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-privacy {
    --doc-rail: 96px;
  }

  .page-privacy .doc-sec {
    column-gap: 30px;
  }

  .page-privacy .doc-rail::before {
    left: 20px;
  }

  .page-privacy .doc-node {
    left: 16px;
    width: 9px;
    height: 9px;
  }

  .page-privacy .doc-rail::after {
    content: "";
    position: absolute;
    left: 8px;
    right: 30px;
    top: calc(clamp(30px, 5vw, 54px) - 8px);
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(122, 132, 160, .28) 40%, transparent);
  }
}

@media (max-width: 420px) {
  .page-privacy {
    --doc-rail: 26px;
  }

  .page-privacy .doc-rail::before {
    left: 5px;
  }

  .page-privacy .doc-node {
    left: 1px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition: none !important;
  }
}