:root {
  --primary: #1a237e;
  --primary-light: #3949ab;
  --bg: #eef2ff;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #64748b;
  --border: #e2e8f0;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  padding: 28px 18px 44px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(57,73,171,.14), transparent 34%),
    linear-gradient(180deg, #f8fafc 0%, var(--bg) 100%);
}
.legal-shell {
  width: min(860px, 100%);
  margin: 0 auto;
}
.legal-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}
.brand {
  font-weight: 900;
  color: var(--primary);
  letter-spacing: .02em;
}
.back-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(26,35,126,.2);
  color: var(--primary);
  background: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: .88rem;
}
.legal-card {
  padding: 30px;
  border-radius: 12px;
  background: rgba(255,255,255,.94);
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(26,35,126,.12);
}
h1 {
  margin: 0 0 8px;
  font-size: clamp(1.8rem, 5vw, 2.45rem);
  line-height: 1.15;
  color: #111827;
}
.updated {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: .92rem;
}
.lead {
  padding: 14px 16px;
  border-radius: 10px;
  border: 1px solid rgba(255,145,0,.24);
  background: rgba(255,248,225,.78);
  color: #6f4c00;
  font-weight: 700;
  line-height: 1.7;
}
h2 {
  margin: 26px 0 10px;
  font-size: 1.08rem;
  color: var(--primary);
}
p, li {
  color: #334155;
  line-height: 1.78;
  font-size: .96rem;
}
p { margin: 0 0 10px; }
ul {
  margin: 0 0 12px 0;
  padding-left: 1.2em;
}
.legal-footer {
  margin-top: 18px;
  color: var(--muted);
  font-size: .86rem;
  text-align: center;
}
@media (max-width: 560px) {
  body { padding: 18px 12px 32px; }
  .legal-top { align-items: flex-start; flex-direction: column; }
  .legal-card { padding: 22px 18px; border-radius: 10px; }
}