/* 隨機分組：組卡格狀。 */
.groups{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.group{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:14px;border-top:5px solid var(--gold)}
.group h3{font-size:17px;margin-bottom:6px;display:flex;justify-content:space-between;align-items:baseline}
.group h3 small{font-weight:400;color:var(--muted);font-size:12px}
.group ul{margin:0;padding:0;list-style:none}
.group li{padding:3px 0;font-weight:700;font-size:16px}
body.big .groups{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
body.big .group h3{font-size:clamp(22px,3vw,40px)}
body.big .group li{font-size:clamp(20px,2.6vw,36px)}
@media print{ .groups{grid-template-columns:repeat(2,1fr)} .group{break-inside:avoid;border:1px solid #ccc} }