:root {
  --bg: #f7f6f3;
  --fg: #1a1a1a;
  --muted: #5c5c5c;
  --line: #e2e0da;
  --card: #ffffff;
  --accent: #2c4a3e;
  --link: #1f4d3a;
}
* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--fg);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-underline-offset: 2px; }
a:hover { opacity: 0.85; }
.wrap {
  max-width: 40rem;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 3rem;
}
header { margin-bottom: 1.75rem; }
.brand {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  text-transform: none;
  margin: 0 0 0.75rem;
}
h1 {
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 650;
  line-height: 1.3;
  margin: 0 0 0.75rem;
  letter-spacing: -0.01em;
}
.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 1.25rem 1.35rem;
  margin: 1.5rem 0;
}
.card h2 {
  font-size: 0.95rem;
  margin: 0 0 0.65rem;
  font-weight: 600;
}
.card p { margin: 0 0 0.65rem; color: var(--muted); font-size: 0.95rem; }
.card p:last-child { margin-bottom: 0; }
ul.points {
  margin: 0;
  padding-left: 1.15rem;
  color: var(--muted);
  font-size: 0.95rem;
}
ul.points li { margin-bottom: 0.4rem; }
ul.points li:last-child { margin-bottom: 0; }
.meta {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 1rem 0 0;
}
footer {
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  color: var(--muted);
}
footer p { margin: 0 0 0.4rem; }
footer nav { margin-bottom: 0.75rem; }
footer nav a { margin-right: 0.85rem; color: var(--muted); }
.legal-page h1 { font-size: 1.4rem; }
.legal-page h2 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; }
.legal-page p, .legal-page li { color: var(--muted); font-size: 0.95rem; }
.legal-page .note {
  font-size: 0.85rem;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  margin: 1rem 0 1.5rem;
}
.back { display: inline-block; margin-bottom: 1.25rem; font-size: 0.9rem; }
@media (max-width: 480px) {
  .wrap { padding: 1.75rem 1rem 2.5rem; }
}