:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f7f7f4;--surface:#fff;--ink:#1f2523;--muted:#68716d;--line:#d9ded9;--line-strong:#b9c3bd;--jade:#116a54;--jade-soft:#e4f1ec;--cinnabar:#b8402d;--cinnabar-soft:#f8e7e1;--blue:#2f5d8c;--gold:#a47720;--shadow:0 16px 40px #1f252314;font-family:Microsoft YaHei,Noto Serif SC,Songti SC,serif}*{box-sizing:border-box}html,body,#app{min-height:100%}body{background:linear-gradient(90deg, #1f252309 1px, transparent 1px), linear-gradient(180deg, #1f252307 1px, transparent 1px), var(--paper);color:var(--ink);background-size:28px 28px;margin:0}.login-screen{place-items:center;min-height:100vh;padding:24px;display:grid}.login-panel{border:1px solid var(--line);width:min(420px,100%);box-shadow:var(--shadow);background:#ffffffeb;border-radius:8px;padding:28px}.login-brand{margin-bottom:26px}.login-form{gap:10px;display:grid}.login-form label{color:var(--muted);font-size:14px}.login-form input{border:1px solid 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pre{max-height:220px;font-size:12px}.file-drop{min-height:118px;padding:16px}.file-drop small{max-width:260px}.selected-files{min-height:30px}textarea{min-height:220px}.card-row{grid-template-columns:1fr;gap:7px;min-height:58px}.row-meta{justify-items:start}.practice-head{grid-template-columns:auto minmax(0,1fr);gap:10px;margin-bottom:10px}.practice-head h2{font-size:18px;line-height:1.2}.practice-head p{font-size:12px}.counter{grid-column:1/-1;justify-self:start;min-width:0;padding:5px 8px;font-size:12px}.keyword-card{gap:10px}.sentence-line{border-left-width:4px;padding:12px 14px}.sentence-line strong{margin-top:7px;font-size:22px;line-height:1.3}.focus-word{min-width:40px;padding:3px 8px;font-size:18px}.option-grid{gap:8px}.choice{gap:9px;min-height:50px;padding:9px 10px;font-size:15px}.choice b,.match-node b{width:28px;height:28px}.match-node{min-height:58px}.match-node small{white-space:normal}.answer-result{padding:12px;font-size:15px;line-height:1.55}.answer-result p{margin-top:5px}.practice-actions{gap:8px;margin-top:8px}.practice-actions .action-button{min-height:48px}}
