:root { font-family: Arial, Helvetica, sans-serif; }
body { margin: 0; background: #f7f7f7; color: #111; }
.container { max-width: 980px; margin: 0 auto; padding: 24px; }
.card { background: #fff; border-radius: 10px; padding: 26px; box-shadow: 0 2px 10px rgba(0,0,0,.06); }
nav { background: #111; }
nav a { color: #fff; text-decoration: none; margin-right: 14px; display: inline-block; padding: 14px 0; }
nav a:hover { text-decoration: underline; }
h1 { margin: 0 0 10px; }
h2 { margin: 24px 0 10px; }
p { line-height: 1.6; }
ul { line-height: 1.7; }
.badge { display:inline-block; padding:6px 10px; border-radius:999px; background:#e9f7ee; color:#137333; font-weight:700; }
.footer { color:#666; font-size: 14px; padding: 28px 0; text-align: center; }
.btn { display:inline-block; padding:10px 14px; border-radius:8px; background:#111; color:#fff; text-decoration:none; }
.btn:hover { opacity: .9; }
.grid { display:grid; gap:18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.small { color:#555; font-size: 14px; }