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#456ba8;border-radius:14px;place-items:center;gap:12px;min-height:260px;padding:16px;display:grid}.hanzi{color:#f8fbff;font-size:3.4rem;font-weight:700;line-height:1.05}.pinyin{color:#98dbff;font-size:1.35rem}.english{color:#f8fbff;font-size:1.18rem}.gradeRow{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.gradeRow .again{background:#882940}.gradeRow .hard{background:#875922}.gradeRow .good{background:#226340}.gradeRow .easy{background:#225f86}.microMeta{color:#b3c7ee;text-align:center;font-size:.95rem}.problemList{gap:7px;display:grid}.problemRow{background:#0f1a33;border:1px solid #335385;border-radius:10px;grid-template-columns:1fr 1.8fr auto;gap:8px;padding:9px;display:grid}label{color:#dce7ff;gap:6px;display:grid}label.toggleRow{align-items:center;gap:8px;display:flex}label.toggleRow input{width:18px;height:18px;padding:0}input,select{color:#f5f9ff;background:#0b1325;border:1px solid #3b568d;border-radius:8px;padding:8px}.empty{gap:8px;display:grid}@media 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