.paper-home{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px}
.paper-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0 18px}
.paper-tools label{flex:1;min-width:180px;max-width:100%;margin:0}
.paper-tools select{display:block;width:100%;min-width:0;margin-top:5px}
.original-answer{border:1px solid var(--line);padding:14px;border-radius:12px;margin:16px 0}
.original-answer summary{cursor:pointer;font-size:13px}
.reference,.question-title,.knowledge-detail li{overflow-wrap:anywhere}
.note ul{padding-left:20px}
.exam-grid .row{flex-wrap:wrap}
@media(max-width:760px){.paper-home{display:block}.paper-home .btn{margin-top:8px}.exam-grid{grid-template-columns:1fr}.section-head{flex-wrap:wrap;gap:6px}.paper-tools{align-items:flex-start}.filters select{max-width:100%;min-width:0}.filters{flex-wrap:wrap}.paper-origin{font-size:11px}}
@media(max-width:540px){.filters{display:grid;grid-template-columns:1fr 1fr}.filters select{width:100%}.filters #paper-filter{grid-column:1/-1}.paper-tools label{flex-basis:100%}.question-panel .row{flex-wrap:wrap}}