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var(--border)}.qb-help__row:last-child{border-bottom:0}.qb-timeup{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;display:flex;align-items:center;justify-content:center;background:var(--overlay)}.qb-timeup__box{background:var(--bg-card);color:var(--text-1);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--sh-float);padding:28px 40px;font-size:18px;font-weight:600}.opt--right{border-color:var(--success);background:var(--success-bg);cursor:default}.opt--right:hover{border-color:var(--success)}.opt--right .label{color:var(--success)}.opt--right:after{content:"正确答案";margin-left:auto;padding-left:10px;font-size:11px;color:var(--success);white-space:nowrap;align-self:center}.qb-rec{margin-top:16px;padding:14px 16px;border:1px solid var(--border);border-radius:9px;background:var(--bg-sunken)}.qb-rec__row{display:flex;gap:12px;align-items:flex-start}.qb-rec__row+.qb-rec__row{margin-top:12px;padding-top:12px;border-top:1px dashed var(--border)}.qb-rec__k{flex:0 0 60px;font-size:12px;color:var(--text-2);padding-top:3px}.qb-rec__v{font-size:16px;font-weight:600;letter-spacing:1px;color:var(--success);line-height:1.7}.qb-rec__ana{flex:1;min-width:0;font-size:13px;line-height:1.9;color:var(--text-1);white-space:pre-wrap}.recite-toggle{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-2);cursor:pointer;white-space:nowrap}.recite-toggle input{accent-color:var(--primary);cursor:pointer}