@import "https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Noto+Sans+SC:wght@400;500;600&display=swap";:root{color:#2d342f;font-synthesis:none;background:#f2f0e9;font-family:Noto Sans SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0}.app{min-height:100vh}header{z-index:5;background:#f8f7f2;border-bottom:1px solid #dedbd0;justify-content:space-between;align-items:center;height:76px;padding:0 4vw;display:flex;position:sticky;top:0}header h2{color:#25382e;margin:0;font:600 20px Noto Serif SC}header span{color:#7a817b;font-size:12px}.progress{text-align:right;width:220px}.progress>div{background:#deddd7;height:3px;margin-top:9px}.progress i{background:#7d3f35;height:100%;transition:all .4s;display:block}main{grid-template-columns:minmax(0,1.5fr) minmax(390px,.85fr);height:calc(100vh - 76px);display:grid}.reading{background:#f8f7f2;padding:32px 5vw 80px;overflow:auto}.readingHead{border-bottom:1px solid #d8d4c8;justify-content:space-between;align-items:center;margin-bottom:22px;padding-bottom:18px;display:flex}.readingHead span{margin-right:12px;font:600 18px Noto Serif SC}.readingHead small{color:#91958f}.readingHead button,.redo{color:#526c5d;cursor:pointer;background:0 0;border:0;align-items:center;gap:7px;display:flex}.readingHead svg,.redo svg{width:17px}article{max-width:700px;margin:auto}article p{white-space:pre-line;letter-spacing:.04em;border-left:2px solid #0000;margin:0 0 26px;padding:10px 14px;font:400 17px/2.18 Noto Serif SC;transition:all .3s}.focus{background:#f1ede2;border-left-color:#8b5144!important}.word{font:inherit;letter-spacing:inherit;cursor:pointer;background:0 0;border:0;border-bottom:1px dashed #aaa;padding:0}.word.marked{color:#98493e;background:#efe0d7;border-bottom-color:#98493e}.teacher{background:#fff;border-left:1px solid #ddd9ce;padding:36px 38px 100px;position:relative;overflow:auto}.taskTop>span{color:#999;font-size:11px}.taskTop p{color:#8d4d41;letter-spacing:.13em;margin:14px 0 4px;font-size:12px}.taskTop h3{margin:0 0 25px;font:600 27px Noto Serif SC}.dialog{gap:12px;display:flex}.avatar{color:#fff;background:#425d50;border-radius:50%;flex:none;place-items:center;width:34px;height:34px;font-family:Noto Serif SC;display:grid}.bubble{background:#f5f3ed;border-radius:4px 16px 16px;padding:16px 18px}.bubble b{color:#647068;font-size:12px}.bubble p{margin:7px 0;font:500 16px/1.7 Noto Serif SC}.bubble small{color:#898b86;line-height:1.6}.answer{margin-top:24px}.answer label{justify-content:space-between;font-size:13px;font-weight:600;display:flex}.answer label span{color:#999;font-weight:400}.answer textarea{resize:none;border:1px solid #d9d6cc;border-radius:8px;outline:none;width:100%;height:104px;margin:9px 0;padding:13px;font:14px/1.7 inherit}.answer textarea:focus{border-color:#738c7e;box-shadow:0 0 0 3px #edf1ee}.answerActions{align-items:center;gap:14px;display:flex}.mic{color:#fff;cursor:pointer;background:#415d50;border:0;border-radius:24px;align-items:center;gap:7px;padding:10px 17px;display:flex}.mic svg{width:17px}.mic.active{background:#98493e}.feedback{background:#f1f5f2;border-left:3px solid #6f897a;gap:9px;margin-top:14px;padding:12px;display:flex}.feedback svg{color:#6f897a;flex:none;width:16px}.feedback p{margin:0;font-size:13px;line-height:1.6}.footerActions{justify-content:flex-end;gap:9px;margin-top:25px;display:flex}.primary{color:#fff;cursor:pointer;background:#7d3f35;border:0;border-radius:4px;align-items:center;gap:8px;padding:11px 18px;display:inline-flex}.primary svg{width:16px}.back,.skip{color:#777;cursor:pointer;background:0 0;border:0}.skip{margin-right:auto}.note,.sources,.viz{background:#fbfaf7;border:1px solid #dfddd5;margin-top:18px;padding:15px}.note b,.viz>b{color:#53695d;font:600 14px Noto Serif SC}.note p,.sources p{margin:8px 0;font-size:12px;line-height:1.7}.sources b{color:#985044;margin-right:8px}.story{flex-wrap:wrap;align-items:center;gap:5px;margin:13px 0;display:flex}.story span{background:#edf1ee;padding:7px 9px;font-size:11px}.story i{color:#aaa;font-style:normal}.viz small{color:#999}.curve{width:100%;margin-top:10px;overflow:visible}.curve path{fill:none;stroke:#8d4d41;stroke-width:3px}.curve line{stroke:#ccc}.curve text{fill:#777;font-size:11px}.viz table{border-collapse:collapse;width:100%;margin-top:12px;font-size:11px}.viz th,.viz td{text-align:left;border-bottom:1px solid #e5e2da;padding:8px}.scene{filter:saturate(.78);border-radius:3px;width:100%;margin-top:18px}.intro{z-index:20;background:linear-gradient(110deg,#253a30e8,#253a30bc),url(/pipa-night.png) 50%/cover;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.introCard{background:#f8f6ef;width:min(560px,100%);padding:55px 58px;position:relative;box-shadow:0 30px 80px #1117}.seal{color:#9e4c40;writing-mode:vertical-rl;border:1px solid #9e4c40;padding:7px 5px;font:600 13px Noto Serif SC;position:absolute;top:35px;right:38px}.kicker{color:#8d4d41;letter-spacing:.18em;font-size:12px}.intro h1{color:#263d32;margin:15px 0;font:600 40px/1.45 Noto Serif SC}.introCard>p:not(.kicker){color:#6f746f;line-height:1.8}.introMeta{color:#56675e;gap:20px;margin:25px 0;font-size:12px;display:flex}.introMeta span{align-items:center;gap:5px;display:flex}.introMeta svg{width:16px}.sample{color:#777;cursor:pointer;background:0 0;border:0;margin-left:10px}.report{margin-top:18px}.paperHead{text-align:center;border-bottom:1px solid #cac6ba;padding-bottom:18px}.paperHead p,.paperHead span{color:#999;letter-spacing:.14em;font-size:10px}.paperHead h2{margin:6px;font:600 23px Noto Serif SC}.report section{margin-top:20px}.report h4{color:#415d50;border-left:3px solid #8d4d41;padding-left:9px;font:600 15px Noto Serif SC}.report dl{font-size:12px}.report dt{margin-top:10px;font-weight:600}.report dd{color:#666;margin:3px 0 0;line-height:1.7}.quote{background:#f5f2ea;padding:13px;font:13px/1.8 Noto Serif SC}.levels{grid-template-columns:1fr 1fr;gap:7px;display:grid}.levels span{background:#f2f4f2;padding:8px;font-size:11px}.levels b{color:#456052;margin-right:5px}.classroom{border:1px solid #c7b9a2;padding:14px}.classroom p{font-size:12px}.classroom b{color:#7d3f35}@media (width<=850px){header{height:66px}.progress{width:130px}main{height:auto;display:block}.reading{height:55vh;padding:22px}.teacher{border-top:1px solid #ddd;border-left:0;min-height:45vh;padding:26px 22px 100px}.readingHead small{display:none}.introCard{padding:38px 28px}.intro h1{font-size:31px}.introMeta{flex-wrap:wrap}.footerActions{background:#fff;padding:12px 0;position:sticky;bottom:0}}@media print{header,.reading,.taskTop,.dialog,.answer,.footerActions,.note,.sources,.scene,.viz{display:none!important}main{display:block}.teacher{border:0;padding:0}.report{max-width:760px;margin:auto}.report section{break-inside:avoid}}.recitationBar{color:#737973;background:#eeece5;border-radius:5px;grid-template-columns:32px auto 1fr auto;align-items:center;gap:10px;margin:-8px 0 22px;padding:11px 14px;font-size:11px;display:grid}.recitationBar input{accent-color:#7d3f35;width:100%}.recitationBar small{text-align:center;color:#8d4d41;white-space:nowrap;text-overflow:ellipsis;grid-column:1/-1;overflow:hidden}.recitationLabel{color:#617369;align-items:center;gap:6px;font-size:12px;display:inline-flex}.recitationLabel svg{width:15px;height:15px}.recitationToggle{color:#526c5d;cursor:pointer;background:#f8faf8;border:1px solid #b8c2ba;border-radius:50%;justify-content:center;align-items:center;width:30px;height:30px;padding:0;display:inline-flex}.recitationToggle svg{width:14px;height:14px}.recitationSentence{cursor:pointer;border-radius:3px;transition:background-color .18s,box-shadow .18s}.recitationSentence.audioFocus{color:#382f28;box-shadow:0 0 0 3px #efe7cf;background:#efe7cf!important}.teacherVoice{float:right;color:#526c5d;cursor:pointer;background:0 0;border:0;align-items:center;gap:5px;font-size:11px;display:inline-flex}.teacherVoice svg{width:14px}.bubble .teacherLead{color:#59645d;margin:14px 0 9px;line-height:1.8}.bubble .teacherQuestion{color:#302b27;border-left:2px solid #a36a5d;margin:0 0 8px;padding-left:10px;font-weight:600;line-height:1.75}.demoAnswerBadge{color:#526c5d;align-items:center;gap:7px;font-size:12px;display:inline-flex}.demoAnswerBadge svg{width:16px;height:16px}.voiceNotice{color:#9b765f;margin-top:8px;font-size:10px;font-style:normal;display:block}.feedback button{color:#526c5d;cursor:pointer;background:0 0;border:0;margin-left:auto}.feedback button svg{width:16px}audio{display:none}.songPlayer{background:#eeece5;border-left:3px solid #8d4d41;margin:20px 0;padding:14px 16px}.songPlayer>div{justify-content:space-between;gap:12px;margin-bottom:9px;display:flex}.songPlayer b{color:#34493e;font:600 14px Noto Serif SC}.songPlayer small{color:#888;font-size:10px}.songPlayer audio{width:100%;height:34px;display:block}.pendingRead:disabled{opacity:.65;cursor:default}.reading{position:relative}.assistTabs{z-index:4;pointer-events:none;justify-content:center;gap:8px;display:flex;position:sticky;bottom:14px}.assistTabs button{pointer-events:auto;color:#52675c;cursor:pointer;background:#fbfaf6;border:1px solid #d7d2c6;border-radius:22px;align-items:center;gap:6px;padding:9px 14px;display:flex;box-shadow:0 5px 18px #353d3620}.assistTabs svg{width:15px}.assistPanel{z-index:8;background:#fffdf7;border:1px solid #d9d1c1;width:min(390px,100vw - 40px);max-height:58vh;padding:24px 26px;position:fixed;bottom:28px;left:calc(60% - 360px);overflow:auto;box-shadow:0 16px 50px #252b2730}.assistClose{color:#888;cursor:pointer;background:0 0;border:0;font-size:22px;position:absolute;top:10px;right:12px}.assistKicker{color:#985044;letter-spacing:.16em;font-size:11px}.assistPanel h3{color:#33483e;font:600 19px Noto Serif SC}.assistPanel p,.assistPanel dd{color:#646a65;font:13px/1.8 Noto Serif SC}.selectedNote{background:#edf2ed;border-left:3px solid #789080;padding:10px 12px}.assistPanel dl{grid-template-columns:64px 1fr;gap:8px 12px;display:grid}.assistPanel dt{color:#3f5549;font:600 13px Noto Serif SC}.assistPanel dd{margin:0}.word{position:relative}.word:after{content:"注";vertical-align:super;color:#9a7761;margin-left:1px;font:8px Noto Sans SC}@media (width<=850px){.assistPanel{border-radius:16px 16px 0 0;width:100%;max-height:55vh;bottom:0;left:0;right:0}.assistTabs{bottom:8px}}.word:after{content:none!important}.textbookTitle{text-align:center;margin:4px 0 34px}.textbookTitle h3{color:#9a5546;margin:0;font:600 26px Noto Serif SC;display:inline-block}.textbookTitle>sup{margin-left:4px}.textbookTitle p{color:#727772;margin:12px 0;font:14px Noto Serif SC}.annotationTrigger{color:#746d62;vertical-align:super;cursor:pointer;background:#faf9f4;border:1px solid #a79e90;border-radius:999px;min-width:16px;height:16px;padding:0 3px;font:500 9px/14px Noto Sans SC;transition:all .15s}.annotationTrigger:hover,.annotationTrigger.active{color:#fff;background:#8d4d41;border-color:#8d4d41;transform:translateY(-1px)}.annotationTrigger.viewed:not(.active){color:#50685a;border-color:#7f9588}.annotationPopover{z-index:30;background:#fffdf8;border:1px solid #d5cbbb;border-top:3px solid #8d4d41;border-radius:4px;width:340px;padding:18px 20px;position:fixed;box-shadow:0 16px 46px #262a2738}.popoverClose{color:#777;cursor:pointer;background:0 0;border:0;font-size:20px;position:absolute;top:7px;right:9px}.popoverMeta{color:#8b8d88;align-items:center;gap:8px;font-size:10px;display:flex}.popoverMeta i{color:#566b5e;background:#edf1ed;border-radius:10px;padding:2px 6px;font-style:normal}.annotationPopover h4{color:#344a3e;margin:10px 0 7px;font:600 16px Noto Serif SC}.annotationPopover h4 b{color:#9a5546;border:1px solid #9a5546;border-radius:50%;place-items:center;width:19px;height:19px;margin-right:7px;font:600 10px Noto Sans SC;display:inline-grid}.annotationPopover p{color:#5f655f;margin:5px 0;font:13px/1.75 Noto Serif SC}.annotationPopover .pronunciation{color:#8d4d41;font-size:11px}.assistPanel h3 small{color:#8a8e89;margin-left:8px;font:400 10px Noto Sans SC}.annotationGroup{margin-top:18px}.annotationGroup h4{color:#8d4d41;border-bottom:1px solid #e3ded4;padding-bottom:7px;font:600 12px Noto Serif SC}.annotationGroup>div{flex-wrap:wrap;gap:6px;display:flex}.annotationGroup button{color:#5f655f;cursor:pointer;background:#faf9f5;border:1px solid #ded9ce;border-radius:3px;padding:6px 8px;font:11px Noto Serif SC}.annotationGroup button:hover{color:#8d4d41;border-color:#8d4d41}.annotationGroup button.viewed{background:#edf1ed;border-color:#c8d2cb}.annotationGroup sup{color:#9a5546;margin-right:3px}@media (width<=850px){.annotationPopover{border-radius:16px 16px 0 0;width:100%;padding:24px 25px 28px;bottom:0;box-shadow:0 -10px 40px #252a2730;position:fixed!important;top:auto!important;left:0!important}.annotationTrigger{min-width:18px;height:18px;line-height:16px}}
