body{font-family:system-ui,-apple-system,sans-serif;max-width:720px;margin:3rem auto;padding:0 1.25rem;line-height:1.6;color:#1a1a1a}
h1{font-size:1.8rem;line-height:1.25}h2{font-size:1.2rem;margin-top:2rem}
a{color:#0b5394}.buy{display:inline-block;background:#0b5394;color:#fff;padding:.7rem 1.2rem;border-radius:6px;text-decoration:none;font-weight:600}
.box{background:#f5f7fa;border-radius:8px;padding:1rem 1.25rem;margin:1.25rem 0}
table{border-collapse:collapse;width:100%}td,th{border:1px solid #ddd;padding:.45rem .6rem;text-align:left;vertical-align:top}
nav{font-size:.95rem;margin-bottom:2rem}footer{margin-top:3rem;font-size:.9rem;color:#555;border-top:1px solid #eee;padding-top:1rem}