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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  color: #111;
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

main {
  max-width: 600px;
  margin: 0 auto;
  padding: 80px 20px;
}

.portrait {
  width: 150px;
  height: 150px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 24px;
}

h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.intro {
  font-size: 18px;
  color: #333;
  margin-bottom: 24px;
}

nav {
  margin-bottom: 48px;
}

nav a {
  margin-right: 16px;
}

nav a:hover {
  opacity: 0.7;
}

section {
  margin-bottom: 36px;
}

h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
}

section p {
  color: #333;
  margin-bottom: 8px;
}

a {
  color: #2563eb;
  text-decoration: none;
}

a:hover {
  opacity: 0.7;
}