:root {
  --brand: #1f6f5c;
  --brand-dark: #14503f;
  --ink: #1c2b27;
  --muted: #5b6b66;
  --bg: #f6faf8;
  --card: #ffffff;
  --line: #dfe9e5;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }

header.site {
  background: var(--brand-dark);
  color: #fff;
  padding: 28px 0 0;
}
header.site h1 { font-size: 1.9em; letter-spacing: .3px; }
header.site h1 a { color: #fff; text-decoration: none; }
header.site .tag { color: #cfe6de; font-size: .98em; margin-top: 2px; }
nav.main {
  margin-top: 18px;
  display: flex; flex-wrap: wrap; gap: 4px;
}
nav.main a {
  color: #eaf6f1; text-decoration: none; font-weight: 600; font-size: .95em;
  padding: 10px 14px; border-radius: 8px 8px 0 0;
}
nav.main a:hover { background: rgba(255,255,255,.12); }
nav.main a.active { background: var(--bg); color: var(--brand-dark); }

main { padding: 36px 0 48px; }
h2 { font-size: 1.45em; margin-bottom: 14px; color: var(--brand-dark); }
h3 { font-size: 1.08em; margin: 22px 0 8px; color: var(--brand-dark); }
p { margin-bottom: 12px; }
ul { margin: 0 0 14px 22px; }
li { margin-bottom: 6px; }
a { color: var(--brand); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 26px 28px;
  margin-bottom: 22px;
}
.hero {
  background: linear-gradient(135deg, var(--brand-dark), var(--brand));
  color: #fff; border: none;
}
.hero h2 { color: #fff; font-size: 1.6em; }
.hero p { color: #dff0ea; }

.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff !important;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 10px;
  margin-top: 6px;
}
.btn:hover { background: var(--brand-dark); }
.btn.light { background: #fff; color: var(--brand-dark) !important; }

.notice {
  background: #fff8e6;
  border: 1px solid #f0dfae;
  border-radius: 10px;
  padding: 14px 18px;
  font-size: .95em;
  color: #6b5a1e;
}
.kv { list-style: none; margin-left: 0; }
.kv li { margin-bottom: 8px; }
.kv strong { color: var(--brand-dark); }

footer.site {
  border-top: 1px solid var(--line);
  background: #eef5f2;
  padding: 22px 0 30px;
  font-size: .92em;
  color: var(--muted);
}
footer.site nav { margin-bottom: 8px; }
footer.site nav a { margin-right: 14px; color: var(--brand-dark); text-decoration: none; font-weight: 600; }

@media (max-width: 600px) {
  header.site h1 { font-size: 1.5em; }
  .card { padding: 20px 18px; }
}