/* 功率计算器 */
.pw-chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.75rem}
.pw-big{margin-top:.875rem;font-size:1.375rem;font-weight:700;color:var(--site-primary);line-height:1.35;cursor:pointer;word-break:break-all}
.pw-err{margin-top:.75rem;padding:.625rem .75rem;border:1px solid #f6d5d5;border-radius:.5rem;background:#fdf7f7;color:#b42318;font-size:.8125rem}
.pw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(10rem,1fr));gap:.75rem;margin-top:1rem}
.pw-stat{padding:.625rem .75rem;border:1px solid #eef1f5;border-radius:.5rem;background:#fff;cursor:pointer;transition:border-color .15s}
.pw-stat:hover{border-color:var(--site-primary)}
.pw-stat-k{font-size:.75rem;color:#8a9199}
.pw-stat-v{margin-top:.125rem;font-size:1.0625rem;font-weight:600;color:#334155;font-variant-numeric:tabular-nums;word-break:break-all}
.pw-stat-e{margin-top:.125rem;font-size:.75rem;color:#a9b0b8}