:root {
  --yellow: #f7bd2a;
  --blue: #2d6f88;
  --green: #5d9b62;
  --ink: #211716;
  --muted: #665b56;
  --paper: #fffaf0;
  --line: #eadfcb;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}
.site-header {
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 18px clamp(18px, 4vw, 48px);
}
.brand {
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
  font-size: 20px;
}
nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 12px;
  font-size: 14px;
}
nav a, footer a {
  color: var(--blue);
  text-decoration: none;
}
main {
  width: min(920px, calc(100% - 36px));
  margin: 0 auto;
  padding: 42px 0 64px;
}
.eyebrow {
  color: var(--blue);
  font-weight: 700;
  margin: 0 0 8px;
}
h1 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.12;
  margin: 0 0 18px;
  letter-spacing: 0;
}
h2 {
  font-size: 24px;
  margin: 38px 0 12px;
}
.lead {
  font-size: 19px;
  color: var(--muted);
  margin-bottom: 22px;
}
.notice, .entity-box {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 16px 18px;
}
section p { margin: 0 0 12px; }
.faq-list {
  display: grid;
  gap: 12px;
}
details {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 14px 16px;
}
summary {
  cursor: pointer;
  font-weight: 700;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}
.card {
  display: grid;
  gap: 8px;
  min-height: 156px;
  padding: 18px;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
}
.card strong {
  font-size: 20px;
  line-height: 1.35;
}
.card span {
  color: var(--muted);
  font-size: 14px;
}
footer {
  border-top: 1px solid var(--line);
  padding: 22px clamp(18px, 4vw, 48px);
  color: var(--muted);
  background: #fff;
  font-size: 14px;
}