.tutorial-content[data-v-772c9ef8]{display:flex;flex-direction:column;gap:16px}.rule-text[data-v-772c9ef8]{font-size:15px;line-height:1.6;color:#333;padding:12px 16px;background:#f0faf4;border-left:4px solid #18A058;border-radius:4px}.demo-section[data-v-772c9ef8]{display:flex;justify-content:center;padding:16px 0}.demo-board[data-v-772c9ef8]{display:grid;gap:2px;background:#999;padding:2px;border-radius:4px}.demo-cell[data-v-772c9ef8]{width:42px;height:42px;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;background:#c8ccd2;border-radius:2px;position:relative}.demo-cell.is-dark[data-v-772c9ef8]{background:#8e95a0}.demo-cell.is-center[data-v-772c9ef8]{background:#e8f5e9;border:2px solid #18A058}.demo-cell.is-range[data-v-772c9ef8]{background:#fff3e0;border:1px dashed #e67e22}.demo-cell.is-range.is-dark[data-v-772c9ef8]{background:#ffe0b2}.demo-cell.is-mine[data-v-772c9ef8]{background:#ffcdd2}.demo-cell.is-mine.is-dark[data-v-772c9ef8]{background:#ef9a9a}.clue-val[data-v-772c9ef8]{color:#18a058;font-size:20px}.cell-label[data-v-772c9ef8]{color:#999;font-size:12px}.explain-text[data-v-772c9ef8]{font-size:13px;color:#666;padding:10px 14px;background:#f9f9f9;border-radius:6px;line-height:1.6}.explain-icon[data-v-772c9ef8]{margin-right:4px}