:root {
  --ink: #14243d;
  --ink-soft: #45566f;
  --paper: #f6f7fb;
  --card: #ffffff;
  --accent: #f36f21;
  --line: #e4e8f1;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eef1f8;
    --ink-soft: #aab4c8;
    --paper: #0d1220;
    --card: #161d30;
    --line: #262f47;
  }
}
:root[data-theme="dark"] {
  --ink: #eef1f8;
  --ink-soft: #aab4c8;
  --paper: #0d1220;
  --card: #161d30;
  --line: #262f47;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}
.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.legal .back {
  display: inline-block;
  color: var(--accent);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 24px;
}
.legal h1 { font-size: 1.7rem; margin: 0 0 8px; }
.legal .updated { color: var(--ink-soft); font-size: 0.85rem; margin: 0 0 32px; }
.legal h2 { font-size: 1.15rem; margin: 34px 0 12px; }
.legal h3 { font-size: 1rem; margin: 24px 0 8px; }
.legal p, .legal li { color: var(--ink-soft); font-size: 0.94rem; }
.legal ul { padding-left: 20px; }
.legal li { margin-bottom: 6px; }
.legal strong { color: var(--ink); }
.legal a { color: var(--accent); }