* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: #1a1a1a;
  background: #fafafa;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.logo-header {
  text-align: center;
  padding: 3rem 2rem 1rem;
}

.logo-header a {
  text-decoration: none;
}

.logo-img {
  width: 56px;
  height: 56px;
  border-radius: 12px;
}

main {
  flex: 1;
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem 2rem 3rem;
  width: 100%;
}

.content h1 {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  text-align: center;
}

.content section {
  margin-bottom: 1.75rem;
}

.content h2 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.content p {
  line-height: 1.7;
  color: #444;
}

.content a {
  color: #1a1a1a;
}

footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.85rem;
  color: #999;
  border-top: 1px solid #eee;
  width: 100%;
}

footer a {
  color: #999;
  text-decoration: none;
}

footer a:hover {
  color: #1a1a1a;
}