.rulebook-stats{display:flex;gap:28px;padding:20px 23px;background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:22px;flex-wrap:wrap;align-items:center}.rulebook-stats b{font-size:24px;margin-right:5px}.rulebook-tabs{display:flex;gap:6px;flex-wrap:wrap}.rulebook-tabs button{background:transparent;border-color:transparent}.rulebook-tabs button.selected{background:#e5edda;border-color:#d4e0c7}.rulebook-filters input{min-width:180px;flex:1;max-width:320px}.rulebook-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.rulebook-card{background:white;border:1px solid var(--line);padding:20px;border-radius:10px;text-align:left;display:flex;flex-direction:column;min-height:245px;overflow-wrap:anywhere}.rulebook-card:hover{background:#fafcf7;border-color:#9aaf8d}.rulebook-card h2{font-size:15px;line-height:1.7;margin:17px 0 9px}.rulebook-card p{font-size:12px;color:var(--muted);line-height:1.85;flex:1;margin:0 0 20px}.rulebook-meta{display:flex;gap:10px;align-items:center;justify-content:space-between;font-size:11px;color:var(--muted);flex-wrap:wrap}.rulebook-detail h3{margin-top:25px;color:#75866f;font-size:12px}.rulebook-text{white-space:pre-wrap;line-height:1.9;overflow-wrap:anywhere}.rulebook-source{background:#f8faf4;border:1px solid #e0e7d9;border-radius:7px;padding:12px 15px;margin:10px 0}.rulebook-source summary{font-size:12px;cursor:pointer;line-height:1.8}.rulebook-source pre{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.9 "Segoe UI","Microsoft YaHei",sans-serif}.rulebook-source a{font-size:12px}@media(max-width:1250px){.rulebook-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:850px){.rulebook-grid{grid-template-columns:1fr}}