:root{font-family:"Microsoft YaHei",system-ui,sans-serif;color:#24333b;background:#f4f7f7;font-synthesis:none;--line:#dce5e5;--muted:#65767b;--accent:#14776d}*{box-sizing:border-box}body{margin:0}header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{max-width:1120px;margin:auto;padding:23px 24px;display:flex;justify-content:space-between;align-items:center;gap:16px}.eyebrow{font-size:12px;color:var(--muted)}h1{font-size:23px;margin:6px 0 0;font-weight:650}h2{font-size:18px;margin:0 0 12px}#health{color:var(--accent);font-size:13px}.settings-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}main{max-width:1120px;padding:20px 24px 40px;margin:auto}.intro{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.intro p{font-size:14px;line-height:1.8;color:var(--muted);margin:0}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stats>div{border:1px solid var(--line);border-radius:10px;background:#fff;padding:19px}.stats strong{display:block;font-size:28px;font-weight:650;margin-bottom:7px}.stats span{font-size:12px;color:var(--muted)}button,.button{display:inline-block;background:var(--accent);border:1px solid var(--accent);color:#fff;border-radius:6px;padding:10px 14px;font-size:13px;cursor:pointer;text-decoration:none;white-space:nowrap;font-family:inherit}button:hover,.button:hover{filter:brightness(.96)}button:disabled{cursor:wait;opacity:.65}.secondary{background:#fff;border-color:#cbd8d8;color:#314c4b}nav{display:flex;gap:28px;border-bottom:1px solid var(--line);margin:26px 0 20px}.tab{background:transparent;color:var(--muted);border:0;border-radius:0;padding:12px 1px}.tab.active{color:var(--accent);border-bottom:2px solid var(--accent);font-weight:650}.toolbar{display:flex;gap:10px}input,select{font:inherit;font-size:14px;border:1px solid #cbd8d8;background:#fff;border-radius:6px;padding:10px 12px;color:#24333b}input:focus,select:focus{outline:2px solid #a7d8d1;outline-offset:1px}.toolbar input{flex:1;min-width:0}.list-meta{display:flex;justify-content:space-between;gap:12px;font-size:12px;color:var(--muted);margin:14px 0}.list{display:flex;flex-direction:column;gap:12px}.row{border:1px solid var(--line);background:#fff;border-radius:9px;padding:18px}.row-head{display:flex;justify-content:space-between;gap:15px;align-items:flex-start}.question-title{font-size:15px;font-weight:600;line-height:1.75;margin:0}.tag{display:inline-block;white-space:nowrap;font-size:12px;padding:3px 7px;border-radius:4px;color:#6e561e;background:#fff4db}.tag.confirmed{background:#e5f4ef;color:#216b56}.tag.conflict{background:#fff0eb;color:#9b452c}.tag.ai{background:#eeecfa;color:#5c4d96}.tags{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.answer{font-size:14px;line-height:1.8;margin:12px 0 0}.options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.option{font-size:13px;line-height:1.65;padding:10px 12px;border:1px solid #e3e9e9;border-radius:5px;overflow-wrap:anywhere}.option.correct{border-color:#95c9bd;background:#f0f9f5}.option img{display:block;max-width:100%;max-height:180px;object-fit:contain;margin-top:8px}.meta,.hint,small{font-size:12px;color:var(--muted);line-height:1.8}.meta{margin-top:12px}.row-actions{margin-top:12px}.row-actions button{padding:7px 10px}.empty{text-align:center;padding:45px 20px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:8px}.settings-card{max-width:680px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:24px}.settings-card label{display:block;font-size:14px;margin:20px 0}.settings-card label input:not([type=checkbox]){display:block;width:100%;margin:8px 0 3px}.settings-card label.check{display:flex;align-items:center;gap:9px;font-size:13px}.settings-card label.check input{accent-color:var(--accent)}#settingsStatus{font-size:13px;margin-left:12px}.notice{background:#fff4db;border:1px solid #e7d8aa;color:#735820;padding:10px 14px;border-radius:6px;font-size:13px;line-height:1.7}details{margin-top:12px}summary{cursor:pointer;font-size:13px;color:var(--accent)}.exam-question{border-top:1px solid var(--line);margin-top:12px;padding-top:12px;font-size:13px;line-height:1.8}.exam-head{display:flex;justify-content:space-between;gap:12px;font-size:14px}.score{font-size:23px;color:var(--accent);font-weight:650}#more{margin-top:15px}footer{margin-top:35px;color:#7c898c;font-size:12px;border-top:1px solid var(--line);padding-top:16px}[hidden]{display:none!important}@media(max-width:700px){.header-inner,main{padding-left:16px;padding-right:16px}h1{font-size:20px}.stats{grid-template-columns:repeat(2,1fr)}.stats>div{padding:15px}.intro{align-items:flex-start}.toolbar{flex-wrap:wrap}.toolbar input{flex-basis:100%}.options{grid-template-columns:1fr}.row-head{display:block}.tags{justify-content:flex-start;margin-top:9px}.list-meta span+span{display:none}.settings-card{padding:18px}.exam-head{flex-wrap:wrap}}