:root{--bg:#f4f1ea;--app:#fffdf9;--card:#fff;--card-bd:#eee7db;--text:#2c2c2a;--muted:#6b6b64;--faint:#a8a49a;--field-bd:#ded7c9;--track:#eae3d6;--metricbg:#faeeda;--peach:#faeeda;--peach-tx:#854f0b;--peach-tx-d:#633806;--amber:#ef9f27;--amber-d:#ba7517;--green:#1d9e75;--green-d:#0f6e56;--green-bg:#e1f5ee;--rose:#d4537e;--rose-bg:#fbeaf0;--rose-tx:#993556;--blue:#378add;--dark-btn:#2c2c2a;--dark-btn-tx:#fff;--seg-new:#cfc9bd;--overlay:#2c2c2a73}[data-theme=dark]{--bg:#17150f;--app:#201d16;--card:#2a261d;--card-bd:#362f22;--text:#eee7db;--muted:#a8a196;--faint:#6b6459;--field-bd:#3d3527;--track:#362f22;--metricbg:#322a1a;--peach:#322a1a;--peach-tx:#f0c775;--peach-tx-d:#fac775;--amber:#ef9f27;--amber-d:#f0b040;--green:#5dcaa5;--green-d:#9fe1cb;--green-bg:#123;--rose:#ed93b1;--rose-bg:#3a2530;--rose-tx:#f4c0d1;--blue:#85b7eb;--dark-btn:#3d3527;--dark-btn-tx:#fff;--seg-new:#4b4636;--overlay:#0009}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font-family:system-ui,-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}.app{background:var(--app);border-radius:24px;flex-direction:column;max-width:440px;min-height:92vh;margin:20px auto;display:flex;overflow:hidden;box-shadow:0 8px 40px #785a1e14}.view{padding:0 18px calc(72px + env(safe-area-inset-bottom,0px));flex:1}.brand-mini{letter-spacing:1.5px;color:var(--peach-tx);opacity:.8;margin-bottom:4px;font-size:11px}.brandmark{align-items:center;gap:12px;padding:16px 2px 6px;display:flex}.brand-le{flex:0 0 46px;width:46px;height:46px}.brand-name{letter-spacing:.3px;color:var(--text);font-size:20px;font-weight:600}.brand-sub{color:var(--muted);margin-top:1px;font-size:12px}.brand-tag{color:var(--amber-d);margin-top:3px;font-size:12px}.hd{background:var(--peach);margin:0 -18px 16px;padding:18px}.hd-row{justify-content:space-between;align-items:center;display:flex}.hd-title{color:var(--peach-tx-d);font-size:16px;font-weight:600}.hd-sub{color:var(--peach-tx);margin-top:5px;font-size:13px}.streak{color:var(--peach-tx);white-space:nowrap;font-size:12px}.progress{grid-template-columns:1fr 1fr;gap:10px;margin-top:14px;display:grid}.metric{background:#ffffff8c;border-radius:12px;padding:10px 12px}.metric-label{color:var(--peach-tx);margin-bottom:3px;font-size:12px}.metric-num{color:var(--peach-tx-d);font-size:20px;font-weight:600}.metric-num span{color:var(--amber-d);font-size:12px;font-weight:400}.bar{background:#fff9;border-radius:99px;height:6px;margin-top:7px;overflow:hidden}.bar-fill{border-radius:99px;height:100%}.bar-blue,.bar-green{background:var(--amber)}.reminder{background:var(--peach);color:var(--peach-tx);border-radius:12px;justify-content:space-between;align-items:center;gap:8px;margin-bottom:14px;padding:10px 12px;font-size:13px;display:none}.reminder .rem-btns{white-space:nowrap;gap:6px;display:flex}.reminder button{background:var(--amber);color:#fff;border:none;border-radius:8px;padding:6px 10px;font-size:12px}.reminder .rem-ghost{color:var(--amber-d);border:1px solid var(--amber);background:0 0}.typestatus{color:var(--muted);text-align:center;margin:0 0 12px;font-size:12px}.card{background:var(--card);border:.5px solid var(--card-bd);text-align:center;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:8px;min-height:176px;padding:30px 20px;display:flex}.cardhead{justify-content:center;align-items:center;gap:8px;display:flex}.badge{border-radius:999px;padding:3px 12px;font-size:12px;font-weight:500}.badge-new{background:var(--green-bg);color:var(--green-d)}.badge-review{background:var(--peach);color:var(--amber-d)}.badge-soft,.badge-redo{background:var(--rose-bg);color:var(--rose-tx)}.groupchip{color:var(--muted);background:var(--track);border-radius:999px;padding:2px 9px;font-size:11px}.dirtag{color:var(--faint);letter-spacing:.5px;font-size:11px}.word{letter-spacing:.5px;font-size:34px;font-weight:600}.phon{color:var(--muted);font-size:15px}.prompt-cn{color:var(--text);font-size:21px;font-weight:600}.mean-lg{color:var(--amber-d);margin-top:4px;font-size:18px}.hintword,.scaffold{letter-spacing:4px;color:var(--muted);margin-top:6px;font-family:ui-monospace,monospace;font-size:24px}.word.revealed{color:var(--green-d)}.meta{color:var(--faint);margin-top:10px;font-size:12px}.done{color:var(--green-d);font-size:18px;line-height:1.8}.done small{color:var(--muted);font-size:13px}.big .word{font-size:44px}.big .prompt-cn{font-size:27px}.big .mean-lg{font-size:24px}.big .phon{font-size:19px}.big .scaffold,.big .hintword{font-size:30px}button{cursor:pointer;border:none;border-radius:12px;font-family:inherit;font-size:15px}.soundrow{text-align:center;margin-top:10px}.sound{background:var(--peach);color:var(--amber-d);padding:7px 16px;font-size:14px}.predict{gap:8px;margin-top:16px;display:flex}.predict button{background:var(--peach);color:var(--peach-tx-d);flex:1;padding:13px 0;font-weight:500}.cardctrl{gap:8px;margin-top:16px;display:flex}.hint{background:var(--peach);color:var(--amber-d);padding:14px 18px;font-weight:500}.reveal{background:var(--dark-btn);color:var(--dark-btn-tx);flex:1;padding:14px;font-weight:500}.actions{gap:8px;margin-top:10px;display:flex}.actions button{color:#fff;flex:1;padding:14px 0;font-weight:500}.actions button[data-q="1"]{background:var(--rose)}.actions button[data-q="3"]{background:var(--amber)}.actions button[data-q="4"]{background:var(--blue)}.actions button[data-q="5"]{background:var(--green)}.typearea{margin-top:14px}.feedback{text-align:center;min-height:18px;margin-bottom:8px;font-size:13px}.feedback.ok{color:var(--green-d)}.feedback.soft{color:var(--amber-d)}.typeinput{text-align:center;letter-spacing:1px;border:1px solid var(--field-bd);background:var(--card);width:100%;color:var(--text);border-radius:12px;padding:12px 14px;font-size:18px}.typeinput:focus{border-color:var(--amber);outline:none;box-shadow:0 0 0 3px #ef9f272e}.typebtns{gap:8px;margin-top:10px;display:flex}.typebtns button{background:var(--peach);color:var(--peach-tx-d);flex:1;padding:12px 0;font-size:14px;font-weight:500}.typebtns .t-primary,#typeNext{background:var(--dark-btn);color:var(--dark-btn-tx)}#typeNext{width:100%;margin-top:10px;padding:13px 0;font-weight:500}.lookex{background:var(--peach);color:var(--amber-d);margin:12px auto 0;padding:7px 14px;font-size:13px;display:block}.exbox{background:var(--metricbg);text-align:left;border-radius:12px;margin-top:10px;padding:12px 14px}.ex-title{color:var(--muted);margin:4px 0 6px;font-size:12px}.ex-item{border-bottom:.5px solid var(--card-bd);padding:6px 0}.ex-item:last-of-type{border-bottom:none}.ex-en{color:var(--text);font-size:14px;line-height:1.7}.ex-say,.ph-say{cursor:pointer;opacity:.75;background:0 0;border:none;padding:0 5px 0 0;font-size:13px}.ex-say:hover,.ph-say:hover{opacity:1}.ex-cn{color:var(--muted);margin-top:6px;font-size:13px}.ex-tip{color:var(--faint);margin-top:6px;font-size:12px}.ex-cn-toggle{background:var(--app);color:var(--amber-d);border:1px solid var(--field-bd);border-radius:8px;margin-top:8px;padding:4px 10px;font-size:12px;display:inline-block}.exbox mark{color:inherit;background:#ef9f274d;border-radius:3px;padding:0 2px}.ph-title{color:var(--muted);margin-bottom:6px;font-size:12px}.ph-list{margin-bottom:10px}.ph-item{border-bottom:.5px solid var(--card-bd);flex-direction:column;gap:3px;padding:7px 0;font-size:14px;display:flex}.ph-main{align-items:center;gap:8px;display:flex}.ph-item b{color:var(--amber-d);font-weight:600}.ph-main>span:not(.ph-badge){color:var(--muted);text-align:right;margin-left:auto;font-size:13px}.ph-badge{white-space:nowrap;border-radius:10px;padding:1px 8px;font-size:11px}.ph-badge.known{background:var(--green-bg);color:var(--green-d)}.ph-badge.learning{background:var(--peach);color:var(--amber-d)}.ph-ex{color:var(--muted);font-size:12.5px;line-height:1.55}.ph-ex-cn{color:var(--faint);display:block}.ph-mark{border:1px solid var(--card-bd);color:var(--muted);cursor:pointer;background:0 0;border-radius:12px;align-self:flex-start;margin-top:2px;padding:2px 11px;font-size:12px}.ph-mark.on{background:var(--green-bg);color:var(--green-d);border-color:#0000}.story-legend{color:var(--muted);flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:14px;font-size:12px;display:flex}.story-legend .sw{vertical-align:-1px;border-radius:3px;width:12px;height:12px;margin-right:4px;display:inline-block}.story-legend .sw-core{background:var(--peach);border:1px solid var(--amber)}.story-legend .sw-review{border-bottom:2px solid var(--green);background:0 0;border-radius:0;height:8px}.story-legend-tip{color:var(--faint)}.story-card{background:var(--card);border:.5px solid var(--card-bd);border-radius:16px;margin-bottom:14px;padding:15px 16px}.story-h{color:var(--muted);justify-content:space-between;align-items:center;margin-bottom:9px;font-size:13px;display:flex}.story-audio{background:var(--peach);color:var(--amber-d);cursor:pointer;border:none;border-radius:10px;padding:4px 11px;font-size:12px}.story-text{color:var(--text);font-size:16px;line-height:2.05}.sh-core{background:var(--peach);color:var(--peach-tx-d);cursor:pointer;border-radius:4px;padding:0 2px;font-weight:600}.sh-review{color:var(--green-d);border-bottom:1px dashed var(--green);cursor:pointer}.story-empty{text-align:center;color:var(--muted);padding:40px 16px;line-height:1.9}.story-grid{grid-template-columns:repeat(2,1fr);gap:11px;display:grid}.story-tile{text-align:left;background:var(--card);border:.5px solid var(--card-bd);cursor:pointer;border-radius:14px;flex-direction:column;gap:3px;padding:13px 14px;display:flex}.story-tile.last{border-color:var(--amber);box-shadow:0 0 0 2px #ef9f2729}.story-tile-h{color:var(--faint);flex-wrap:wrap;align-items:center;gap:6px;font-size:11px;display:flex}.story-last-badge{background:var(--peach);color:var(--amber-d);border-radius:8px;padding:0 6px;font-size:10px}.story-tile-en{color:var(--text);font-size:14px;font-weight:600;line-height:1.35}.story-tile-cn{color:var(--muted);font-size:12px}.story-detail-bar{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.story-back{color:var(--amber-d);cursor:pointer;background:0 0;border:none;padding:4px 8px;font-size:13px}.story-trans-bar{text-align:right;margin-top:12px}.story-trans-btn{border:1px solid var(--card-bd);color:var(--amber-d);cursor:pointer;background:0 0;border-radius:10px;padding:4px 12px;font-size:12px}.story-trans{border-top:.5px solid var(--card-bd);color:var(--text);margin-top:10px;padding-top:10px;font-size:15px;line-height:2}.tr-legend{color:var(--faint);margin-bottom:8px;font-size:11px}.tr-core{color:var(--peach-tx-d);background:var(--peach);border-radius:4px;padding:0 2px;font-weight:600}.tr-review{color:var(--green-d);border-bottom:1px dashed var(--green)}.story-cloze-bar{text-align:center;margin-top:16px}.story-cloze-btn{background:var(--amber);color:#fff;cursor:pointer;border:none;border-radius:12px;padding:9px 20px;font-size:14px}.cz-tag{background:var(--peach);color:var(--amber-d);border-radius:10px;margin-bottom:12px;padding:4px 10px;font-size:12px;display:inline-block}.cz-passage{color:var(--text);background:var(--metricbg);border-radius:12px;margin-bottom:14px;padding:14px 16px;font-size:16px;line-height:2.2}.cz-bk{color:var(--faint);font-weight:600}.cz-bk.filled{color:var(--amber-d)}.cz-score{color:var(--muted);margin-bottom:12px;font-size:13px}.cz-q{border-bottom:.5px solid var(--card-bd);flex-wrap:wrap;align-items:center;gap:8px;padding:9px 0;display:flex}.cz-n{color:var(--muted);min-width:18px;font-size:14px}.cz-opt{background:var(--app);color:var(--text);border:1px solid var(--field-bd);cursor:pointer;border-radius:10px;padding:6px 14px;font-size:14px}.cz-opt.right{background:var(--green-bg);color:var(--green-d);border-color:#0000}.cz-opt.wrong{background:var(--rose-bg);color:var(--rose-tx);border-color:#0000}.cz-why{color:var(--muted);flex-basis:100%;margin-top:2px;font-size:13px;line-height:1.6}.cz-ok{color:var(--green-d)}.cz-no{color:var(--rose-tx)}.story-cloze-btn.ghost{color:var(--amber-d);border:1px solid var(--amber);background:0 0;margin-left:8px}.rd-q{border-bottom:.5px solid var(--card-bd);flex-wrap:wrap;gap:8px;padding:12px 0;display:flex}.rd-ask{color:var(--text);flex-basis:100%;margin-bottom:2px;font-size:15px;line-height:1.6}.wordpop{z-index:60;background:var(--app);border:.5px solid var(--card-bd);border-radius:10px;max-width:74vw;padding:7px 11px;font-size:13px;position:absolute;box-shadow:0 6px 20px #00000024}.wordpop b{color:var(--amber-d);margin-right:7px}.wordpop span{color:var(--text)}.roots-intro{color:var(--muted);margin-bottom:10px;font-size:12px;line-height:1.7}.roots-search{box-sizing:border-box;border:1px solid var(--field-bd);background:var(--app);width:100%;color:var(--text);border-radius:10px;margin-bottom:6px;padding:9px 12px;font-size:14px}.roots-search:focus{border-color:var(--amber);outline:none}.roots-group{color:var(--amber-d);margin:14px 0 4px;font-size:12px;font-weight:600}.root-row{border-bottom:.5px solid var(--card-bd);gap:12px;padding:9px 2px;display:flex}.root-form{color:var(--peach-tx-d);flex:0 0 92px;font-size:14px;font-weight:700}.root-body{flex:1}.root-mean{color:var(--text);font-size:13px}.root-ex{color:var(--muted);flex-wrap:wrap;gap:4px 12px;margin-top:3px;font-size:13px;display:flex}.root-w{cursor:pointer}.root-w b{color:var(--amber-d);font-weight:700}.rb-word{letter-spacing:1px;color:var(--text);text-align:center;font-size:24px;font-weight:700}.rb-word b{color:var(--amber-d)}.rb-mean{color:var(--text);text-align:center;margin-top:6px;font-size:14px}.rb-tag{background:var(--peach);color:var(--amber-d);border-radius:8px;padding:1px 7px;font-size:11px}.rb-mean b{color:var(--peach-tx-d)}.rb-sib{color:var(--muted);text-align:center;margin-top:8px;font-size:13px}.rb-sib-w b{color:var(--amber-d);font-weight:700}.rb-more{background:var(--app);color:var(--amber-d);border:1px solid var(--field-bd);cursor:pointer;border-radius:10px;margin:12px auto 0;padding:5px 12px;font-size:12px;display:block}.wf-title{color:var(--muted);margin-bottom:6px;font-size:12px}.wf-sec{border-bottom:.5px solid var(--card-bd);flex-wrap:wrap;align-items:center;gap:5px 14px;padding:7px 0;display:flex}.wf-sec:last-child{border-bottom:none}.wf-pos{color:var(--amber-d);flex-basis:100%;font-size:12px;font-weight:600}.wf-item{color:var(--muted);font-size:14px}.wf-item b{color:var(--faint);margin-right:4px;font-size:11px;font-weight:500}.wf-w{color:var(--peach-tx-d);cursor:pointer}.skip{color:var(--muted);background:0 0;margin:14px auto 0;padding:6px 14px;font-size:13px;display:block}.reset{color:var(--rose-tx);background:0 0;margin:20px auto 0;padding:9px 18px;font-size:13px;display:block}.grove{letter-spacing:4px;word-break:break-word;font-size:26px;line-height:1.5}.legend{color:var(--muted);flex-wrap:wrap;justify-content:center;gap:14px;margin-top:14px;font-size:12px;display:flex}.legend .dot{vertical-align:1px;border-radius:50%;width:8px;height:8px;margin-right:5px;display:inline-block}.pstats{gap:10px;margin-top:14px;display:flex}.pstat{background:var(--peach);text-align:center;border-radius:12px;flex:1;padding:12px}.pstat-n{color:var(--peach-tx-d);font-size:22px;font-weight:600}.pstat-l{color:var(--peach-tx);margin-top:2px;font-size:11px}.freqline{color:var(--muted);text-align:center;margin:14px 0;font-size:12px}.freqline b{color:var(--text)}.toolbar{gap:8px;margin-top:14px;display:flex}.toolbar button{background:var(--metricbg);color:var(--peach-tx-d);flex:1;padding:11px;font-size:13px;font-weight:500}.setlist{background:var(--card);border:.5px solid var(--card-bd);border-radius:16px;overflow:hidden}.setrow{border-bottom:.5px solid var(--card-bd);justify-content:space-between;align-items:center;padding:14px 16px;font-size:14px;display:flex}.setrow:last-child{border-bottom:none}.setrow select{border:1px solid var(--field-bd);background:var(--app);color:var(--text);border-radius:8px;padding:6px 8px;font-size:13px}.toggle{border:1px solid var(--field-bd);background:var(--app);min-width:44px;color:var(--muted);border-radius:999px;padding:5px 12px;font-size:13px}.toggle.on{background:var(--amber);color:#fff;border-color:var(--amber)}.sethint{color:var(--faint);margin:8px 4px 0;font-size:12px;line-height:1.6}.quizbtn{background:var(--amber);color:#fff;border:none;border-radius:14px;width:100%;margin:0 0 14px;padding:14px;font-size:14px;font-weight:600;display:block}.quizbtn.done{background:var(--green-bg);color:var(--green-d);font-weight:500}.quizbtn:disabled{cursor:default}.climb{background:var(--card);border:.5px solid var(--card-bd);border-radius:18px;align-items:stretch;gap:18px;padding:18px;display:flex}.climb-pole{background:var(--track);border-radius:22px;flex:none;width:44px;height:200px;position:relative}.climb-fill{background:linear-gradient(var(--green), var(--green-d));border-radius:22px;width:100%;transition:height .6s;position:absolute;bottom:0;left:0}.climb-goal{font-size:22px;position:absolute;top:-14px;left:50%;transform:translate(-50%)}.climb-monkey{z-index:1;font-size:26px;transition:bottom .6s;position:absolute;left:50%;transform:translate(-50%,50%)}.climb-info{flex-direction:column;flex:1;justify-content:center;gap:8px;display:flex}.climb-fruits{color:var(--text);font-size:16px}.climb-fruits b{color:var(--amber-d)}.climb-sub{color:var(--muted);font-size:13px}.climb-sub b{color:var(--text)}.masteryline{color:var(--faint);margin-top:6px;font-size:12px}.quiz-prog{color:var(--muted);text-align:center;font-size:12px}.quiz-word{text-align:center;margin-top:6px;font-size:32px;font-weight:600}.quiz-phon{color:var(--muted);text-align:center;margin-top:2px;font-size:14px}.quiz-opts{flex-direction:column;gap:8px;margin-top:16px;display:flex}.quiz-opt{border:1px solid var(--field-bd);background:var(--app);color:var(--text);text-align:left;border-radius:12px;padding:13px 14px;font-size:15px}.quiz-opt:disabled{cursor:default}.quiz-opt.right{background:var(--green-bg);color:var(--green-d);border-color:var(--green)}.quiz-opt.wrong{background:var(--rose-bg);color:var(--rose-tx);border-color:var(--rose)}.quiz-result{text-align:center;padding:10px 0}.quiz-score{color:var(--amber-d);font-size:40px;font-weight:600}.quiz-score-l{color:var(--muted);margin-top:4px;font-size:14px}.quiz-climb{margin:16px 0;font-size:15px}.quiz-climb b{color:var(--amber-d)}#quizDone{background:var(--dark-btn);width:100%;color:var(--dark-btn-tx);padding:12px 0;font-weight:500}[data-skin=forest]{--amber:#1d9e75;--amber-d:#0f6e56;--peach:#e1f5ee;--peach-tx:#0f6e56;--peach-tx-d:#085041}[data-skin=ocean]{--amber:#378add;--amber-d:#185fa5;--peach:#e6f1fb;--peach-tx:#185fa5;--peach-tx-d:#0c447c}[data-skin=sakura]{--amber:#d4537e;--amber-d:#993556;--peach:#fbeaf0;--peach-tx:#993556;--peach-tx-d:#72243e}[data-skin=grape]{--amber:#7f77dd;--amber-d:#534ab7;--peach:#eeedfe;--peach-tx:#534ab7;--peach-tx-d:#3c3489}.skin-fruits{color:var(--muted);margin-bottom:12px;font-size:13px}.skin-fruits b{color:var(--amber-d)}.skin-grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.skin-card{border:1px solid var(--card-bd);text-align:center;border-radius:12px;padding:12px}.skin-sw{border-radius:8px;width:100%;height:40px;margin-bottom:8px}.skin-name{margin-bottom:8px;font-size:13px}.skin-card button{border:none;border-radius:8px;width:100%;padding:8px 0;font-size:12px}.skin-buy{background:var(--peach);color:var(--amber-d)}.skin-use{background:var(--dark-btn);color:var(--dark-btn-tx)}.skin-cur{background:var(--green-bg);color:var(--green-d)}.skin-card button:disabled{opacity:.5;cursor:default}.report-hero{background:var(--peach);text-align:center;border-radius:12px;margin-bottom:12px;padding:14px}.report-acc{color:var(--amber-d);font-size:34px;font-weight:600}.report-acc-l{color:var(--peach-tx);margin-top:2px;font-size:13px}.report-row{border-bottom:.5px solid var(--card-bd);color:var(--muted);justify-content:space-between;padding:9px 2px;font-size:14px;display:flex}.report-row span:last-child{color:var(--text);font-weight:500}.report-sub{color:var(--muted);margin:14px 0 2px;font-size:12px;font-weight:600}.report-note{color:var(--faint);margin-top:12px;font-size:12px;line-height:1.7}.dict-play{cursor:pointer;-webkit-user-select:none;user-select:none;font-size:40px}.dict-tip{color:var(--muted);font-size:12px}.tabbar{border-top:.5px solid var(--card-bd);background:var(--app);z-index:40;width:100%;max-width:440px;padding-bottom:env(safe-area-inset-bottom,0px);display:flex;position:fixed;bottom:0;left:50%;transform:translate(-50%);box-shadow:0 -2px 12px #785a1e0f}.tab{color:var(--faint);background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:2px;padding:9px 0 8px;font-size:11px;display:flex}.tab-ic{filter:grayscale()opacity(.6);font-size:20px}.tab.active{color:var(--amber-d)}.tab.active .tab-ic{filter:none}.overlay{background:var(--overlay);z-index:50;justify-content:center;align-items:center;padding:16px;display:none;position:fixed;inset:0}.sheet{background:var(--app);color:var(--text);border-radius:18px;width:100%;max-width:420px;max-height:82vh;padding:0 18px 18px;overflow:auto}.sheet-head{z-index:3;background:var(--app);border-bottom:.5px solid var(--card-bd);border-radius:18px 18px 0 0;justify-content:space-between;align-items:center;margin-bottom:8px;padding:15px 0 10px;display:flex;position:sticky;top:0}.sheet-head h3{margin:0;font-size:16px}.sheet-close{color:var(--muted);cursor:pointer;background:0 0;padding:2px 6px;font-size:20px;line-height:1}.tool-sec{color:var(--muted);margin:16px 2px 6px;font-size:12px;font-weight:600}.stub-hint,.empty{color:var(--muted);margin-bottom:10px;font-size:13px}.empty{text-align:center;padding:20px 0;line-height:1.8}.stub-row{border-bottom:.5px solid var(--card-bd);text-align:left;justify-content:space-between;gap:10px;padding:9px 0;font-size:14px;display:flex}.stub-mean{color:var(--muted);text-align:right;font-size:13px}.stub-lapse{color:var(--rose-tx);margin-left:6px;font-size:11px}.stub-actions{gap:8px;margin-top:14px;display:flex}.stub-actions button{background:var(--metricbg);color:var(--peach-tx-d);flex:1;padding:11px;font-size:13px;font-weight:500}.praise{background:var(--green-bg);color:var(--green-d);text-align:center;border-radius:10px;margin-bottom:12px;padding:10px 12px;font-size:13px}.calib{background:var(--peach);color:var(--amber-d);text-align:center;border-radius:10px;margin:12px 0;padding:10px 12px;font-size:13px}.ach-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.ach-cell{background:var(--metricbg);text-align:center;border-radius:12px;padding:12px}.ach-num{color:var(--peach-tx-d);font-size:24px;font-weight:600}.ach-lab{color:var(--peach-tx);margin-top:2px;font-size:12px}.ach-sub{color:var(--muted);margin:12px 0 4px;font-size:13px}.ach-bars{align-items:flex-end;gap:6px;height:72px;margin:8px 0;display:flex}.ach-bar{flex-direction:column;flex:1;justify-content:flex-end;align-items:center;height:100%;display:flex}.ach-bar-fill{background:var(--amber);border-radius:4px 4px 0 0;width:68%;min-height:2px}.ach-bar-x{color:var(--faint);margin-top:3px;font-size:9px}.pc-form{flex-direction:column;gap:12px;display:flex}.pc-field{color:var(--muted);align-items:center;gap:8px;font-size:13px;display:flex}.pc-field select{border:1px solid var(--field-bd);background:var(--app);color:var(--text);border-radius:8px;flex:1;padding:6px 8px;font-size:13px}.pc-num{border:1px solid var(--field-bd);background:var(--app);width:56px;color:var(--text);border-radius:8px;padding:5px 6px;font-size:13px}.pc-check{color:var(--text);align-items:center;gap:8px;font-size:13px;display:flex}.pc-count{color:var(--muted);font-size:13px}#pcGo{background:var(--dark-btn);width:100%;color:var(--dark-btn-tx);padding:12px 0;font-weight:500}.pc-tip{color:var(--faint);font-size:12px}.planbanner{text-align:left;cursor:pointer;border:none;border-radius:14px;width:100%;margin:0 0 12px;padding:11px 14px;font-size:13.5px;line-height:1.5;display:block}.planbanner b{font-weight:700}.planbanner .pb-go{float:right;opacity:.85;white-space:nowrap;margin-left:8px;font-weight:600}.planbanner-ghost{background:var(--metricbg);color:var(--peach-tx-d)}.planbanner-ok{background:var(--green-bg);color:var(--green-d)}.planbanner-warn{background:var(--rose-bg);color:var(--rose-tx)}.plan-form{flex-direction:column;gap:12px;margin:4px 0 14px;display:flex}.plan-row{color:var(--text);justify-content:space-between;align-items:center;gap:10px;font-size:13.5px;display:flex}.plan-row input[type=date]{border:1px solid var(--field-bd);background:var(--app);color:var(--text);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;border-radius:9px;padding:7px 9px;font-size:13px}@media (prefers-color-scheme:dark){.plan-row input[type=date]{--lightningcss-light: ;--lightningcss-dark:initial}}.plan-holi{flex-direction:column;align-items:stretch;gap:8px}.plan-holi>span{color:var(--muted);font-size:12.5px;line-height:1.5}.plan-holi-add{gap:8px;display:flex}.plan-holi-add input{flex:1}.plan-holi-add button{border-radius:9px;padding:7px 14px}.plan-holi-list{flex-wrap:wrap;gap:6px;display:flex}.plan-holi-empty{color:var(--faint);font-size:12px}.holi-chip{background:var(--track);color:var(--text);cursor:pointer;border-radius:99px;padding:4px 9px;font-size:12px}.holi-chip b{color:var(--rose);margin-left:2px}.plan-body{border-top:1px solid var(--card-bd);padding-top:14px}.plan-hint,.plan-fine{color:var(--muted);font-size:12.5px;line-height:1.6}.plan-grid{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px;display:grid}.plan-cell{background:var(--metricbg);border-radius:12px;flex-direction:column;gap:3px;padding:10px 12px;display:flex}.plan-cell span{color:var(--muted);font-size:11.5px}.plan-cell b{color:var(--peach-tx-d);font-size:18px;font-weight:700}.plan-bar{background:var(--track);border-radius:99px;height:9px;overflow:hidden}.plan-bar-fill{background:var(--green);border-radius:99px;height:100%}.plan-bar-cap{color:var(--muted);margin:4px 0 12px;font-size:11.5px}.plan-stat{border-radius:12px;margin-bottom:12px;padding:10px 12px;font-size:13.5px;line-height:1.5}.plan-stat.plan-ok{background:var(--green-bg);color:var(--green-d)}.plan-stat.plan-warn{background:var(--rose-bg);color:var(--rose-tx)}.plan-rec{background:var(--peach);color:var(--peach-tx-d);border-radius:12px;flex-direction:column;gap:10px;margin-bottom:12px;padding:12px;font-size:13px;display:flex}.plan-rec button{border-radius:10px;padding:10px 0;font-weight:600}.plan-note{color:var(--muted);background:var(--track);border-radius:10px;margin-bottom:10px;padding:9px 11px;font-size:12.5px;line-height:1.6}.plan-fine{opacity:.9;font-style:normal}.ep-title{color:var(--peach-tx-d);align-items:center;gap:8px;margin-bottom:10px;font-size:13px;font-weight:700;display:flex}.ep-marks{gap:8px;margin-bottom:8px;display:flex}.ep-mk{border:1px solid var(--field-bd);color:var(--muted);cursor:pointer;filter:none;opacity:1;background:0 0;border-radius:99px;padding:4px 12px;font-size:12px}.ep-mk.on.fav{background:var(--amber);border-color:var(--amber);color:#fff}.ep-mk.on.hard{background:var(--rose);border-color:var(--rose);color:#fff}.ep-orig{color:var(--faint);border:1px solid var(--field-bd);border-radius:99px;padding:1px 7px;font-size:10px;font-weight:400}.ep-item{border-top:.5px solid var(--card-bd);padding:9px 0}.ep-item:first-of-type{border-top:none}.ep-head{align-items:baseline;gap:8px;display:flex}.ep-tag{border-radius:99px;flex:none;padding:2px 8px;font-size:10.5px;font-weight:600}.ep-tip{color:var(--text);font-size:13.5px;font-weight:600;line-height:1.5}.ep-note{color:var(--muted);margin:5px 0 2px;padding-left:2px;font-size:12px;line-height:1.6}.ep-ex{border-left:2px solid var(--track);margin:6px 0 2px;padding-left:10px}.ep-en{color:var(--text);cursor:pointer;font-size:13px;display:block}.ep-cn{color:var(--muted);font-size:12px;display:block}.ep-collocation{background:var(--green-bg);color:var(--green-d)}.ep-confuse{background:var(--rose-bg);color:var(--rose-tx)}.ep-pattern{background:var(--metricbg);color:var(--peach-tx-d)}.ep-sense{background:var(--track);color:var(--text)}.ep-pitfall{color:#99530b;background:#fde8d0}[data-theme=dark] .ep-pitfall{color:#f0b877;background:#3a2a15}.el-ctrls{flex-wrap:wrap;align-items:center;gap:8px;margin:10px 0 4px;display:flex}.el-seg{background:var(--track);border-radius:9px;padding:2px;display:inline-flex}.el-seg-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;border-radius:7px;padding:5px 12px;font-size:12.5px}.el-seg-btn.active{background:var(--app);color:var(--text);font-weight:600;box-shadow:0 1px 3px #00000014}.el-chips{flex-wrap:wrap;gap:6px;display:flex}.el-chip{border:1px solid var(--field-bd);color:var(--muted);cursor:pointer;background:0 0;border-radius:99px;padding:4px 10px;font-size:12px}.el-chip.active{background:var(--amber);border-color:var(--amber);color:#fff;font-weight:600}.el-count{color:var(--muted);margin:8px 0;font-size:12px}.el-group{color:var(--peach-tx);align-items:center;gap:6px;margin:14px 0 6px;font-size:12px;font-weight:700;display:flex}.el-group-n{color:var(--faint);font-weight:400}.el-item{border-bottom:.5px solid var(--card-bd);margin-bottom:12px;padding-bottom:4px}.el-head{align-items:center;gap:8px;margin-bottom:2px;display:flex}.el-w{color:var(--amber-d);cursor:pointer;letter-spacing:.3px;font-size:16px;font-weight:700}.el-w-inline{margin-right:2px;font-size:13px}.el-mark{cursor:pointer;color:var(--faint);filter:grayscale();opacity:.55;background:0 0;border:none;padding:2px 3px;font-size:15px;line-height:1}.el-mark.on{filter:none;opacity:1}.el-mark.on.fav{color:var(--amber-d)}.el-mark.on.hard{color:var(--rose)}.el-mchip.active{background:var(--rose);border-color:var(--rose);color:#fff}.el-mchip[data-mark=fav].active{background:var(--amber);border-color:var(--amber)}.cf-group{background:var(--metricbg);border-radius:12px;margin-bottom:16px;padding:12px}.cf-title{color:var(--peach-tx-d);margin-bottom:6px;font-size:14px;font-weight:700}.cf-note{color:var(--rose-tx);background:var(--rose-bg);border-radius:8px;margin-bottom:8px;padding:5px 9px;font-size:12px;line-height:1.5}.cf-item{border-top:.5px solid var(--card-bd);padding:6px 0}.cf-item:first-of-type{border-top:none}.cf-w{color:var(--amber-d);cursor:pointer;margin-right:6px;font-size:13.5px;font-weight:700;display:inline-block}.cf-use{color:var(--text);font-size:13px;line-height:1.5}.cf-eg{border-left:2px solid var(--track);margin-top:3px;padding-left:10px}.cf-en{color:var(--text);cursor:pointer;font-size:12.5px}.cf-cn{color:var(--muted);font-size:12px}.ins-intro{color:var(--text);margin-bottom:14px;font-size:13.5px;line-height:1.7}#installBody .t-primary{border-radius:11px;width:100%;padding:13px 0;font-weight:600}.ins-steps{color:var(--text);margin:0 0 4px;padding-left:20px;font-size:13.5px;line-height:1.9}.ins-steps li{margin-bottom:4px}.ins-note{color:var(--green-d);background:var(--green-bg);border-radius:11px;margin-top:14px;padding:11px 13px;font-size:12.5px;line-height:1.65}.ins-ok{color:var(--text);font-size:14px;line-height:1.7}.sync-intro{color:var(--text);background:var(--metricbg);border-radius:12px;margin-bottom:14px;padding:12px;font-size:13px;line-height:1.7}#syncBody .t-primary{border-radius:11px;width:100%;padding:12px 0;font-weight:600}.sync-or{color:var(--muted);text-align:center;margin:14px 0 8px;font-size:12.5px}.sync-join{gap:8px;display:flex}.sync-join input{letter-spacing:1px;text-transform:uppercase;border:1px solid var(--field-bd);background:var(--app);color:var(--text);border-radius:10px;flex:1;padding:10px 12px;font-size:15px}.sync-join button{background:var(--dark-btn);color:var(--dark-btn-tx);border-radius:10px;padding:0 18px;font-weight:600}.sync-msg{color:var(--muted);min-height:18px;margin:10px 2px;font-size:12.5px;line-height:1.5}.sync-fine{color:var(--faint);margin-top:10px;font-size:12px;line-height:1.6}.sync-codebox{background:var(--peach);text-align:center;border-radius:14px;margin-bottom:14px;padding:14px;position:relative}.sync-code-label{color:var(--peach-tx-d);margin-bottom:8px;font-size:12px}.sync-code{letter-spacing:2px;color:var(--peach-tx-d);word-break:break-all;font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:22px;font-weight:700}.sync-copy{background:var(--app);color:var(--text);border:1px solid var(--field-bd);border-radius:99px;margin-top:10px;padding:6px 16px;font-size:12.5px}.sync-actions{margin-top:14px}.sync-off{width:100%;color:var(--rose-tx);border:1px solid var(--field-bd);background:0 0;border-radius:10px;padding:10px 0;font-size:13px}#printArea{display:none}@media print{@page{margin:12mm}body>*{display:none!important}#printArea{color:#000;font-family:system-ui,Microsoft YaHei,sans-serif;display:block!important}.sheet-title{text-align:center;font-size:17px;font-weight:700}.sheet-sub{text-align:center;color:#333;margin:5px 0 14px;font-size:12px}.sheet-cols{column-count:2;column-gap:22px}.wrow{break-inside:avoid;border-bottom:1px dotted #bbb;align-items:baseline;gap:6px;padding:5px 0;font-size:12.5px;display:flex}.wrow .n{text-align:right;color:#999;flex:0 0 22px}.wrow .q b{font-weight:700}.wrow .a{text-align:right;flex:1}.wph{color:#555;margin-top:2px;font-size:10.5px;display:block}.wrow .blank{border-bottom:1px solid #999;flex:1;min-width:70px;height:15px;margin-left:8px}.hintw{color:#666;letter-spacing:1px;font-family:ui-monospace,monospace;font-style:normal}.answer-key{break-before:page;color:#222;font-size:11px;line-height:2}.answer-key h3{margin:0 0 8px;font-size:13px}.trace-row{break-inside:avoid;border-bottom:1px solid #bbb;align-items:baseline;gap:10px;padding:10px 0 6px;display:flex}.trace-cn{color:#555;flex:0 0 90px;font-size:11px}.trace-word{letter-spacing:3px;color:#ccc;font-family:Comic Sans MS,ui-monospace,monospace;font-size:26px}.trace-copy{border-bottom:1px solid #999;flex:1;align-self:stretch;min-width:120px;margin-left:6px}.fmrow{break-inside:avoid;border-bottom:1px dotted #bbb;align-items:baseline;gap:6px;padding:7px 0;font-size:12.5px;display:flex}.fmrow .n{text-align:right;color:#999;flex:0 0 22px}.fmrow .q{flex:0 0 150px}.fmrow .q b{font-weight:700}.fmm{color:#555;font-size:11px}.fma{color:#333;flex:1}.sheet-print h2{text-align:center;margin:0 0 12px;font-size:17px}.pr-h{color:#000;break-after:avoid;margin:12px 0 4px;font-size:13px}.pr-row{break-inside:avoid;border-bottom:1px dotted #bbb;gap:8px;padding:3px 0;font-size:12px;display:flex}.pr-form{flex:0 0 92px;font-weight:700}.pr-mean{flex:0 0 130px}.pr-ex{color:#333;flex:1}.pr-ex b,.pr-row b{font-weight:700}.pr-tip{color:#666;margin-top:10px;font-size:10.5px}.pr-sub{color:#444;margin:-4px 0 10px;font-size:11px}.pe-word{break-inside:avoid;border-bottom:1px solid #ccc;gap:8px;padding:5px 0;display:flex}.pe-w{flex:0 0 84px;font-size:12.5px;font-weight:700}.pe-points{flex:1}.pe-p{padding:1px 0;font-size:11.5px;line-height:1.5}.pe-tag{color:#333;border:1px solid #999;border-radius:8px;margin-right:5px;padding:0 5px;font-size:9.5px;display:inline-block}.pe-ex{color:#333;padding-left:6px;font-size:11px}.pe-chk{flex:0 0 16px;font-size:14px}.cfp-group{break-inside:avoid;border-bottom:1px solid #ccc;margin-bottom:8px;padding-bottom:4px}.cfp-title{margin-bottom:2px;font-size:12.5px;font-weight:700}.cfp-note{color:#555;margin-bottom:3px;font-size:10.5px}.cfp-item{gap:8px;padding:1px 0;font-size:11px;line-height:1.5;display:flex}.cfp-w{flex:0 0 120px;font-weight:700}.cfp-use{color:#222;flex:1}}@media (width>=768px){.app{max-width:640px;margin:32px auto}.tabbar{max-width:640px}.sheet{max-width:600px;max-height:86vh}.story-grid{grid-template-columns:repeat(3,1fr)}.word{font-size:42px}.story-text,.cz-passage{font-size:17px}.quiz-word{font-size:40px}}@media (width>=1200px){.app,.tabbar{max-width:720px}.sheet{max-width:640px}}