:root {
  --bg: #ffffff;
  --text: #121212;
  --muted: #666;
  --accent: #0f62fe;
  --line: #eaeaea;
  --card: #f7f7f7;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans KR", Arial, sans-serif;
  background: var(--bg); color: var(--text); line-height: 1.6;
}
header {
  border-bottom: 1px solid var(--line);
  padding: 16px 20px;
}
.container { max-width: 920px; margin: 0 auto; padding: 20px; }
.logo { font-weight: 700; font-size: 18px; }
.nav { display: flex; gap: 14px; font-size: 14px; }
.hero { padding: 24px 0; }
.hero h1 { margin: 0 0 8px; font-size: 28px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--card); padding: 16px; border-radius: 12px; }
.card a { color: var(--text); text-decoration: none; }
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li { padding: 12px 0; border-bottom: 1px solid var(--line); }
.footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 20px; font-size: 13px; color: var(--muted); }
.badge { display: inline-block; font-size: 12px; padding: 4px 8px; border-radius: 999px; background: #eef3ff; color: #254eda; }

.article h1 { font-size: 28px; margin-bottom: 8px; }
.article .meta { color: var(--muted); font-size: 13px; margin-bottom: 16px; }
.article img { max-width: 100%; border-radius: 12px; }

.comment-box { margin-top: 32px; }
.comment { border-bottom: 1px solid var(--line); padding: 10px 0; }
.comment .name { font-weight: 600; }
.comment .date { color: var(--muted); font-size: 12px; }
.comment-form input, .comment-form textarea {
  width: 100%; padding: 10px; margin: 6px 0; border: 1px solid var(--line); border-radius: 8px;
}
.comment-form button { background: var(--accent); color: #fff; border: 0; padding: 10px 14px; border-radius: 8px; cursor: pointer; }

@media (max-width: 640px) {
  .hero h1 { font-size: 22px; }
}