* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  color: #1b2738;
  background: #f4f7fb;
}

a {
  color: #0b64d8;
}

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  background: #0f223f;
  color: #eef5ff;
  padding: 14px 20px;
}

.topbar a {
  color: #eef5ff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.container {
  width: min(920px, calc(100% - 28px));
  margin: 26px auto 40px;
  background: #ffffff;
  border: 1px solid #dde7f4;
  border-radius: 16px;
  box-shadow: 0 16px 34px rgba(13, 28, 53, 0.08);
  padding: 24px 22px;
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  line-height: 1.2;
}

.updated {
  margin: 0 0 16px;
  color: #5f7188;
  font-size: 0.9rem;
}

h2 {
  margin: 22px 0 10px;
  font-size: 1.18rem;
}

p,
li {
  line-height: 1.65;
  font-size: 0.96rem;
}

ul {
  margin: 10px 0 0;
  padding-left: 18px;
}

.actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid #b8cbe7;
  color: #18365d;
  background: #f5f9ff;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 9px 12px;
}

.btn-link:hover {
  background: #eaf2ff;
}

.footer {
  margin-top: auto;
  text-align: center;
  color: #687b93;
  font-size: 0.84rem;
  padding: 16px 12px 26px;
}

@media (max-width: 680px) {
  .container {
    padding: 18px 14px;
    width: calc(100% - 16px);
  }

  p,
  li {
    font-size: 0.92rem;
  }
}