:root{--ink:#17212b;--muted:#71808b;--line:#dce5e8;--bg:#f4f8f6;--card:#fff;--accent:#0e766d;--accent2:#e5f3ef;--orange:#d97745}*{box-sizing:border-box}body{margin:0;background:linear-gradient(135deg,#f7fbfa,#edf5f3);color:var(--ink);font-family:Inter,"Microsoft YaHei",sans-serif}.shell{max-width:1120px;margin:auto;padding:32px 24px 70px}header{display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.eyebrow{font-size:12px;letter-spacing:2px;color:var(--accent);font-weight:800}h1{font-family:Georgia,serif;font-size:40px;line-height:1.1;margin:8px 0}.sub,p{color:var(--muted)}.pill{padding:9px 13px;border:1px solid var(--line);border-radius:30px;background:#fff;font-size:13px}.pill.ok{color:var(--accent);background:var(--accent2)}nav{display:flex;gap:8px;border-bottom:1px solid var(--line);margin-top:30px}.tab{border:0;background:none;padding:14px 18px;color:var(--muted);font-size:15px;cursor:pointer}.tab.active{color:var(--accent);border-bottom:2px solid var(--accent);font-weight:700}.tab span{font-size:12px;background:var(--accent2);padding:2px 6px;border-radius:10px}main{padding-top:26px}.panel{display:none}.panel.active{display:block}.controls{display:flex;align-items:end;gap:14px;margin-bottom:24px}.controls label,.settingsCard label{display:flex;flex-direction:column;gap:7px;font-size:13px;color:var(--muted);font-weight:700}.controls select,.settingsCard input{border:1px solid var(--line);border-radius:10px;background:#fff;padding:11px 13px;font-size:15px;color:var(--ink)}button{font-family:inherit;cursor:pointer;border-radius:10px;padding:11px 16px;font-size:14px}.primary{border:0;background:var(--accent);color:#fff;font-weight:700}.ghost{border:1px solid var(--line);background:#fff;color:var(--ink)}.progress{background:var(--accent2);padding:16px 18px;border-radius:14px;margin-bottom:18px}.progress>div:first-child{display:flex;justify-content:space-between;align-items:center}.progress strong{font-size:13px}.bar{height:7px;background:#cfe4df;border-radius:9px;margin:12px 0 8px;overflow:hidden}.bar i{display:block;height:100%;background:var(--accent);width:0%;transition:.3s}.progress small{color:var(--muted)}.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:0 10px 30px #17433a0b}.meta{font-size:13px;color:var(--muted);margin-bottom:16px}.sentence{font-family:Georgia,serif;font-size:25px;line-height:1.5;margin-bottom:24px}.card textarea{width:100%;min-height:130px;border:1px solid var(--line);border-radius:12px;padding:14px;font:16px inherit;resize:vertical}.actions{display:flex;gap:10px;margin-top:14px}.result{margin-top:22px;border-top:1px solid var(--line);padding-top:20px;line-height:1.7}.result h3{margin:0 0 8px}.score{font-size:28px;color:var(--accent);font-weight:800}.hidden{display:none}.sectionHead{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}.sectionHead h2,.settingsCard h2{margin:0 0 6px}.knowledgeList,.reviewList{display:grid;gap:10px}.knowledgeItem,.reviewItem,.settingsCard{background:#fff;border:1px solid var(--line);border-radius:14px;padding:17px}.knowledgeItem{display:flex;justify-content:space-between;gap:20px}.tag{display:inline-block;background:#fff1e9;color:var(--orange);padding:4px 8px;border-radius:7px;font-size:12px}.empty{padding:50px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:14px}.settingsCard{max-width:620px;display:grid;gap:15px}.settingsCard input{width:100%}.hint{font-size:13px;color:var(--muted)}@media(max-width:700px){.shell{padding:22px 15px}h1{font-size:30px}header{display:block}.pill{display:inline-block;margin-top:12px}.controls{flex-wrap:wrap}.sentence{font-size:21px}.sectionHead{display:block}.sectionHead button{margin-top:12px}}
.result h3{margin:16px 0 8px}.result ul{margin:4px 0 14px;padding-left:22px}.result li{margin:4px 0}.result li small{color:var(--muted);margin-left:6px}.next-inline{margin-top:12px}.meaning{color:var(--accent);font-weight:600}