:root {
  color-scheme: light;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: #20221f;
  background: #f7f8f4;
}

* { box-sizing: border-box; }

body { margin: 0; }

.legal-header {
  align-items: center;
  background: #ffffff;
  border-bottom: 1px solid #dde1d8;
  display: flex;
  gap: 14px;
  min-height: 72px;
  padding: 12px max(20px, calc((100vw - 840px) / 2));
}

.legal-header div { display: grid; gap: 2px; }
.legal-header strong { font-size: 19px; }
.legal-header span { color: #697064; font-size: 13px; }

.back-link {
  align-items: center;
  border: 1px solid #cfd5ca;
  color: #20221f;
  display: inline-flex;
  font-size: 21px;
  height: 40px;
  justify-content: center;
  text-decoration: none;
  width: 40px;
}

main { margin: 0 auto; max-width: 840px; padding: 56px 24px 72px; }
.draft-flag { color: #4c7650; font-size: 13px; font-weight: 800; text-transform: uppercase; }
h1 { font-size: clamp(34px, 7vw, 58px); line-height: 1.02; margin: 16px 0 20px; max-width: 680px; }
.lead { color: #5b6257; font-size: 18px; line-height: 1.75; max-width: 720px; }

.section-nav {
  border-bottom: 1px solid #d9ddd5;
  border-top: 1px solid #d9ddd5;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  margin: 40px 0 16px;
  padding: 16px 0;
}

.section-nav a { color: #315a36; font-weight: 750; text-decoration: none; }
section { border-bottom: 1px solid #d9ddd5; padding: 34px 0; }
h2 { font-size: 24px; margin: 0 0 16px; }
p { line-height: 1.8; margin: 12px 0; }

.rule-grid {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, 1fr);
  margin: 20px 0;
  overflow: hidden;
}

.rule-grid div { background: #e9eee5; display: grid; gap: 4px; padding: 18px; }
.rule-grid strong { color: #315a36; font-size: 24px; }
.rule-grid span { color: #596153; font-size: 13px; }
footer { color: #737a70; font-size: 13px; padding: 28px 24px 40px; text-align: center; }

@media (max-width: 620px) {
  main { padding-top: 36px; }
  .rule-grid { grid-template-columns: repeat(2, 1fr); }
}