:root {
  --ink: #17323b;
  --ink-soft: #48626c;
  --paper: #f6f9f7;
  --card: #ffffff;
  --line: #dce7e2;
  --accent: #0e7d68;
  --accent-dark: #0a5c4d;
  --amber: #b96b1f;
  --radius: 14px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Segoe UI", "PT Sans", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 400px at 80% -80px, #dff0ea 0%, transparent 60%),
    var(--paper);
  line-height: 1.55;
}

.wrap { max-width: 1020px; margin: 0 auto; padding: 0 20px; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 20px; max-width: 1020px; margin: 0 auto;
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand span { font-weight: 700; font-size: 20px; letter-spacing: .2px; }
.brand-mark { width: 34px; height: 34px; }
.brand-mark rect { fill: var(--accent); }
.brand-mark path { stroke: #fff; stroke-width: 2.6; stroke-linecap: round; }

.menu a {
  color: var(--ink-soft); text-decoration: none; margin-left: 22px; font-size: 15px;
}
.menu a:hover { color: var(--accent-dark); }

.hero { padding: 54px 0 34px; max-width: 720px; }
.kicker {
  display: inline-block; margin: 0 0 14px;
  color: var(--accent-dark); background: #e2f2ec;
  border: 1px solid #c8e4da; border-radius: 999px;
  padding: 4px 14px; font-size: 13px; font-weight: 600;
}
.hero h1 { font-size: clamp(30px, 5vw, 46px); line-height: 1.12; margin: 0 0 16px; }
.lead { font-size: 18px; color: var(--ink-soft); margin: 0; max-width: 60ch; }

.grid3 {
  display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  padding: 26px 0 10px;
}

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 22px 22px 18px;
  box-shadow: 0 1px 2px rgba(23, 50, 59, .04);
}
.card h3 { margin: 0 0 8px; font-size: 17px; display: flex; align-items: baseline; gap: 10px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.num { color: var(--amber); font-size: 13px; font-weight: 700; letter-spacing: 1px; }

.strip {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px; padding: 26px 0;
}
.strip div {
  background: var(--card); border-left: 4px solid var(--accent);
  border-radius: 10px; padding: 14px 18px;
  display: flex; flex-direction: column;
}
.strip strong { font-size: 22px; color: var(--accent-dark); }
.strip span { color: var(--ink-soft); font-size: 14px; }

.note {
  background: #eef6f2; border: 1px solid var(--line);
  border-radius: var(--radius); padding: 24px 26px; margin: 10px 0 40px;
}
.note h2 { margin-top: 0; font-size: 21px; }
.note p { color: var(--ink-soft); margin-bottom: 0; }

.page h1 { font-size: clamp(26px, 4vw, 36px); margin: 44px 0 12px; }
.page h2 { font-size: 20px; margin-top: 30px; }
.page ul { color: var(--ink-soft); }
.page li { margin-bottom: 6px; }
.updated { color: var(--ink-soft); font-size: 14px; }

.foot { border-top: 1px solid var(--line); background: var(--card); margin-top: 30px; }
.foot-row {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between;
  padding: 18px 20px; color: var(--ink-soft); font-size: 14px;
}
.foot a { color: var(--accent-dark); text-decoration: none; }

.notfound { text-align: center; padding: 90px 20px 70px; }
.notfound code {
  background: #eef2f0; border-radius: 8px; padding: 2px 8px; font-size: .95em;
}