:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #355da8;
  --border: #d9e1f2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
}

.container {
  width: 100%;
  max-width: 920px;
  margin: 0 auto;
  padding: 32px 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 12px 30px rgba(31, 41, 55, 0.08);
}

h1 {
  margin-top: 0;
  color: var(--primary);
  font-size: 2rem;
}

h2 {
  margin-top: 28px;
  color: var(--primary);
  font-size: 1.25rem;
}

p,
li {
  font-size: 1rem;
}

a {
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.link-list {
  display: grid;
  gap: 12px;
  margin-top: 24px;
}

.link-list a {
  display: block;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #f8faff;
}

.small {
  margin-top: 28px;
  color: var(--muted);
  font-size: 0.9rem;
}

.footer-link {
  margin-top: 32px;
  display: inline-block;
}