/* 随机数生成器 */
.num-grid{display:flex;flex-wrap:wrap;gap:.5rem}
.num-single{padding:.35rem .25rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:2.75rem;font-weight:700;line-height:1.1;color:#0f172a}
.num-chip{min-width:3.25rem;padding:.4rem .7rem;border:1px solid #e6ebf1;border-radius:.5rem;background:#f8fafc;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:1.0625rem;font-weight:600;text-align:center;color:#0f172a}