* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Malgun Gothic", "Noto Sans KR", sans-serif;
  background: #f6f1e7;
  color: #2b2b2b;
  line-height: 1.8;
  display: flex;
  min-height: 100vh;
}
nav {
  width: 220px;
  background: #3b2f2f;
  padding: 32px 0;
  flex-shrink: 0;
}
nav h1 { color: #f1e3c6; font-size: 1.1rem; text-align: center; margin-bottom: 24px; }
nav a {
  display: block;
  padding: 14px 28px;
  color: #e9dcc3;
  text-decoration: none;
  border-left: 4px solid transparent;
}
nav a:hover { background: #523f3f; }
nav a.active { background: #523f3f; border-left-color: #d9a441; color: #fff; }
main { flex: 1; padding: 48px 40px; max-width: 820px; margin: 0 auto; }
.center { text-align: center; }
.center img { max-width: 360px; width: 100%; border-radius: 12px; box-shadow: 0 6px 20px rgba(0,0,0,.2); }
h2 { font-size: 1.9rem; margin: 24px 0 16px; color: #3b2f2f; }
p { margin-bottom: 16px; }
blockquote { border-left: 4px solid #d9a441; padding: 8px 16px; margin: 20px auto; background: #fffaf0; text-align: left; max-width: 600px; }
blockquote span { display: block; color: #8a6d2f; font-size: .9rem; }
.card { background: #fff; padding: 32px; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,.08); }
.card .value { font-size: 1.6rem; font-weight: bold; color: #3b2f2f; }
@media (max-width: 640px) {
  body { flex-direction: column; }
  nav { width: 100%; padding: 12px 0; }
  nav a { display: inline-block; padding: 10px 14px; border-left: 0; }
  main { padding: 24px 16px; }
}