:root {
  --ink: #112033;
  --muted: #4b5b6b;
  --line: #dce4ea;
  --surface: #ffffff;
  --canvas: #f5f7f8;
  --accent: #046b70;
  --accent-dark: #034e52;
  --warm: #ef7f1a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.65;
}

a { color: var(--accent-dark); }
a:hover { color: var(--warm); }

.shell { max-width: 980px; margin: 0 auto; padding: 0 24px; }

header {
  color: #fff;
  background: linear-gradient(125deg, #0c2734, #046b70);
  border-bottom: 4px solid var(--warm);
}

.brand { padding: 42px 0 28px; }
.brand p { margin: 0; color: #d7f0ee; font-family: Arial, sans-serif; font-size: .92rem; letter-spacing: .08em; text-transform: uppercase; }
.brand h1 { margin: 4px 0 0; font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.08; }

nav { display: flex; flex-wrap: wrap; gap: 4px 18px; padding: 0 0 18px; font-family: Arial, sans-serif; font-size: .93rem; }
nav a { color: #fff; text-decoration: none; }
nav a:hover { color: #ffd2a6; }

main { margin: 32px auto; padding: 34px clamp(22px, 5vw, 54px); background: var(--surface); border: 1px solid var(--line); box-shadow: 0 10px 35px rgba(17, 32, 51, .08); }
h2 { margin-top: 2.2rem; color: var(--accent-dark); font-size: 1.5rem; line-height: 1.25; }
h2:first-child { margin-top: 0; }
h3 { margin-bottom: .25rem; font-family: Arial, sans-serif; font-size: 1rem; }
p, li { font-size: 1.03rem; }
li { margin-bottom: .35rem; }
.lede { color: var(--muted); font-size: 1.18rem; }
.notice { margin: 1.5rem 0; padding: 16px 18px; background: #eef8f7; border-left: 4px solid var(--accent); }
.meta { color: var(--muted); font-family: Arial, sans-serif; font-size: .9rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 24px 0; }
.card { padding: 20px; border: 1px solid var(--line); background: #fbfcfc; }
.card h2 { margin: 0 0 8px; font-size: 1.2rem; }

footer { padding: 26px 0 40px; color: var(--muted); font-family: Arial, sans-serif; font-size: .86rem; }
footer p { margin: .35rem 0; font-size: inherit; }

@media (max-width: 560px) {
  .shell { padding: 0 16px; }
  main { margin: 18px auto; padding: 26px 20px; }
}