.math-lab-entry{font-size:13px;background:#e0f2ec;color:#116e64;border:1px solid #bfded4;padding:10px 15px;border-radius:9px;text-decoration:none;white-space:nowrap}.math-lab-entry:hover{background:#cce9df}.math-open-animation{display:inline-block;font:11px 'Microsoft YaHei',sans-serif;margin:8px 0 4px;color:#1b7569;background:#e8f5ee;border:1px solid #b9dacb;border-radius:6px;padding:4px 8px;text-decoration:none}.math-model-paper{display:block;margin:13px 0 8px}.math-animation-qr{margin-bottom:18px}.math-animation-qr small{display:block}.model-scope-note{font-size:11px;color:#647e89}@media(max-width:740px){.topbar{height:auto;min-height:78px;gap:15px;flex-wrap:wrap;padding-top:15px;padding-bottom:15px}.top-actions{gap:9px}.math-lab-entry{font-size:12px;padding:8px 11px}}@media print{.math-open-animation,.math-lab-entry{display:none!important}}
.math-open-animation{position:absolute;bottom:-9px;left:30px;margin:0;opacity:0}.question:hover .math-open-animation,.question:focus-within .math-open-animation{opacity:1}@media(max-width:740px){.math-open-animation{opacity:1}}

.shape-paper-options{display:flex;flex-wrap:wrap;gap:9px 16px;font-size:16px;padding:8px 0;line-height:1.7}.shape-paper-options span{white-space:nowrap}.shape-paper-answer{font-size:16px;line-height:1.9;margin:6px 0 0}