@charset "UTF-8";
:root{--green:#214e40;--green2:#346853;--ink:#243c33;--muted:#7b847e;--line:#e2e5dd;--paper:#fbfcf8;--bg:#f3f5ee;--light:#e7eee1;--red:#ae5146;--redbg:#fbede9;font-family:Inter,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--bg);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,select{font:inherit}button,a,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:default}button:focus-visible,a:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #acbd63;outline-offset:4px}button{color:inherit}a{color:inherit}.sidebar{position:fixed;inset:0 auto 0 0;width:226px;background:#f9faf5;border-right:1px solid var(--line);padding:38px 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var(--line);border-radius:6px;padding:10px;text-align:left;color:#718361;font-size:11px;line-height:1.7}.empty{text-align:center;padding:45px 5px}.empty .empty-symbol{font-size:40px;color:#a4b48d}.empty h3{font-size:19px;font-weight:500}.empty p{font-size:12px;line-height:1.9;color:#8c9682}.empty button{margin-top:15px}#toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,20px);background:#244c3f;color:#fff;border-radius:8px;padding:12px 20px;font-size:12px;opacity:0;pointer-events:none;transition:all .2s;z-index:10}#toast.show{opacity:1;transform:translate(-50%,0)}@keyframes appear{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}
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@media(max-width:1120px){.sidebar{width:190px;padding:30px 17px}main{margin-left:190px;padding:0 28px}.workspace{grid-template-columns:minmax(0,1fr) 215px;gap:18px}.map-card{padding:18px 15px}.question-grid{gap:7px}.question-card{padding:23px}.q-text{font-size:17px}.edition{display:none}.under-card>span{display:none}.under-card{justify-content:flex-end}.stat{padding:0 20px}.tip-card{padding:18px 15px}}
@media(max-width:900px){.workspace{grid-template-columns:1fr}.right-panel{padding-top:0;display:grid;grid-template-columns:1fr 1fr;gap:18px}.tip-card{margin:0}.question-grid{grid-template-columns:repeat(9,1fr)}.legend{gap:10px}.map-card{grid-column:1/-1}.tip-card{display:none}.q-text{font-size:19px}.sidebar{width:177px}.nav-item{padding:13px 9px;font-size:12px;gap:8px}main{margin-left:177px;padding:0 24px}.stat{padding:0 14px}.stat-caption{font-size:8px}.stat strong{font-size:25px}.side-note{padding:15px 11px}}
@media(max-width:640px){.sidebar{position:static;width:100%;padding:18px 20px 0;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:19px;gap:9px}.brand-symbol{height:34px;width:34px;border-radius:9px;font-size:25px}.brand small{font-size:7px;margin-top:3px}.side-label,.side-note,.side-footer{display:none}.sidebar nav{display:flex;gap:5px;margin-top:20px;padding-bottom:13px;overflow-x:auto}.nav-item{flex:1;justify-content:center;font-size:11px;padding:10px 8px;border-radius:6px;gap:5px}.nav-count{display:none}.nav-icon{font-size:17px;width:17px}main{margin:0;padding:0 19px}.topbar{height:51px;font-size:9px}#save-status{font-size:8px;gap:4px}.crumb{margin:0 6px}.intro{padding:26px 0 24px}.eyebrow{font-size:8px;letter-spacing:1.7px;margin-bottom:8px}h1{font-size:28px}.intro p{font-size:10px;margin-top:7px}.stats{padding:18px 0;margin-bottom:23px;border-radius:9px}.stat{padding:0 12px;gap:10px}.stat>span:first-child{font-size:10px}.stat strong{font-size:24px}.stat small{font-size:8px;margin-left:1px}.stat-caption{font-size:8px;line-height:1.5}.stat-line{margin-top:5px}.toolbar{margin-bottom:10px}.topic-label{font-size:9px;gap:5px}select{font-size:10px;max-width:139px}h2{font-size:13px}.question-card{padding:22px 20px;border-radius:10px;min-height:370px}.q-index{margin-top:24px;font-size:10px}.q-text{font-size:18px;line-height:1.9}.q-meta{gap:6px}.pill,.source{font-size:9px}.choice{padding:15px 13px;font-size:13px;gap:8px}.choice kbd{display:none}.choices{gap:12px}.q-bottom button{font-size:10px;padding:10px 12px}.answer-prompt{font-size:9px}.main-footer{font-size:8px;margin-top:26px}.main-footer button{font-size:8px}.question-grid{grid-template-columns:repeat(6,1fr);gap:11px}.grid-item{aspect-ratio:1.2}.right-panel{gap:0}.feedback p{font-size:12px}.formula{font-size:14px}.feedback-heading span{display:block;margin:5px 0 0}dialog{padding:30px 23px}.result-stats{padding:18px 15px}.result-stats b{font-size:27px}.dialog-actions button{flex:1;white-space:nowrap}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
