.chat-content{width:100%;line-height:28px}.chat-content h1{line-height:70px;font-size:22px}.chat-content h2{line-height:56px;font-size:20px}.chat-content h3{line-height:46px;font-size:18px}.chat-content h4{line-height:32px;font-size:16px}.chat-content h5{line-height:28px;font-size:14px}.chat-content h6{line-height:28px;font-size:12px}.chat-content hr{margin:10px 0}.chat-content ol,.chat-content ul{list-style-type:disc}.chat-content ol li,.chat-content ul li{margin-left:20px;margin-top:4px}.chat-content ol li:first-child,.chat-content ul li:first-child{margin-top:0}.chat-content ol{list-style-type:decimal}.chat-content p{line-height:28px}.chat-content table{border-collapse:collapse;margin:16px 0;width:100%}.chat-content table th,.chat-content table td{border:1px solid#e0e0e0;padding:8px 16px;text-align:left}.chat-content table th{background-color:#f5f5f5;font-weight:500}.chat-content code{display:none}*{-webkit-tap-highlight-color:transparent}#root{position:absolute;top:0;left:0;width:100%;height:100%;overflow-y:auto}body{overflow:hidden}p,h1,h2,h3,h4,h5,h6,ul,ol,li,blockquote,pre,code,table,th,td{margin:0;padding:0}.game-creator-container,.game-player-container{width:100%;height:100%;position:relative;overflow:hidden;background-color:#fff;display:flex;flex-direction:column}.game-creator-container.game-player-container,.game-player-container.game-player-container{flex-direction:row}.game-creator-container .game-headers,.game-player-container .game-headers{width:100%;height:50px;display:flex;align-items:center;position:relative;justify-content:space-between;border-bottom:solid 1px#e3e3e3;z-index:1001}.game-creator-container .game-headers .logo,.game-player-container .game-headers .logo{margin-left:10px;display:flex;align-items:center;gap:10px;position:relative;z-index:2}.game-creator-container .game-headers .logo input,.game-player-container .game-headers .logo input{font-size:16px;width:260px}.game-creator-container .game-headers .tabs,.game-player-container .game-headers .tabs{position:absolute;top:0;left:0;bottom:0;right:0;display:flex;justify-content:center;align-items:center;border:none}.game-creator-container .game-headers .tabs .tab,.game-player-container .game-headers .tabs .tab{padding:0 20px;cursor:pointer;color:#333;font-size:16px;font-weight:700;border:none!important;border-bottom:solid 2px transparent!important;transition:all.2s;height:100%!important;display:flex;align-items:center;background-color:#fff!important;border-radius:0!important}.game-creator-container .game-headers .tabs .tab:hover,.game-player-container .game-headers .tabs .tab:hover{border-bottom:solid 2px#38f!important}.game-creator-container .game-headers .tabs .tab.active,.game-player-container .game-headers .tabs .tab.active{border-bottom:solid 2px#38f!important}.game-creator-container .game-headers .tabs .tab.disabled,.game-player-container .game-headers .tabs .tab.disabled{cursor:not-allowed;opacity:.4;color:#999}.game-creator-container .game-headers .tabs .tab.disabled:hover,.game-player-container .game-headers .tabs .tab.disabled:hover{border-bottom:solid 2px transparent!important}.game-creator-container .game-headers .right,.game-player-container .game-headers .right{margin-right:10px;position:relative;z-index:1;display:flex;gap:15px}.game-creator-container .game-headers .preview-btn,.game-player-container .game-headers .preview-btn{width:24px;height:24px;display:flex;align-items:center;justify-content:center;padding:0;cursor:pointer;transition:background-color.2s;border-radius:4px}.game-creator-container .game-headers .preview-btn.disabled,.game-player-container .game-headers .preview-btn.disabled{cursor:not-allowed;opacity:.4}.game-creator-container .game-center,.game-player-container .game-center{position:absolute;top:50px;left:0;right:0;bottom:0;flex:1;display:flex;z-index:1000}.game-creator-container .game-player-tabs,.game-player-container .game-player-tabs{display:none;align-items:center;flex-direction:column;border:none;width:100%;height:100%}.game-creator-container .game-player-tabs .item,.game-player-container .game-player-tabs .item{box-sizing:border-box;margin:10px;width:80%;text-align:center;font-size:18px;border-radius:8px;font-weight:400;opacity:1;pointer-events:auto;display:flex;align-items:center;justify-content:flex-start;gap:20px}.game-creator-container .game-player-tabs .item:hover,.game-player-container .game-player-tabs .item:hover{background:linear-gradient(135deg,rgba(0,0,0,6%)0%,rgba(0,0,0,3%)100%);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:inset 1px 1px 2px rgba(255,255,255,.3),inset -1px -1px 2px rgba(0,0,0,5%)}.game-creator-container .game-player-tabs .item.disabled,.game-player-container .game-player-tabs .item.disabled{cursor:not-allowed;opacity:.4}.game-creator-container .game-player-tabs .item.active,.game-player-container .game-player-tabs .item.active{backdrop-filter:blur(8px);background:linear-gradient(135deg,rgba(18,14,253,.12)0%,rgba(25,118,210,5%)100%);box-shadow:inset 1px 1px 2px rgba(255,255,255,.4),inset -1px -1px 2px rgba(0,0,0,5%)}.game-creator-container .is-open .game-player-tabs,.game-player-container .is-open .game-player-tabs{display:flex}.game-creator-container .game-chat,.game-player-container .game-chat{height:100%;transition:all.4s cubic-bezier(.4,0,.2,1);position:relative;z-index:9;background-color:#f9f9f9;border-right:solid 1px#e3e3e3}.game-creator-container .game-chat .sidebar-collapse-btn,.game-player-container .game-chat .sidebar-collapse-btn{position:absolute;right:-25px;top:50%;margin-top:-35px;width:24px;height:70px;background-color:#f9f9f9;border:1px solid#e0e0e0;border-left:none;border-radius:0 12px 12px 0;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#555;pointer-events:all;transition:background-color.2s,opacity.3s,visibility.3s}.game-creator-container .game-chat .sidebar-collapse-btn svg,.game-player-container .game-chat .sidebar-collapse-btn svg{transform:rotate(0)}.game-creator-container .game-chat .sidebar-collapse-btn:hover,.game-player-container .game-chat .sidebar-collapse-btn:hover{background-color:#f7f7f7}.game-creator-container .game-chat.is-open .sidebar-collapse-btn,.game-player-container .game-chat.is-open .sidebar-collapse-btn{transition-delay:.2s}.game-creator-container .game-chat.is-open .sidebar-collapse-btn svg,.game-player-container .game-chat.is-open .sidebar-collapse-btn svg{transform:rotate(180deg)}.game-creator-container .game-chat .logo,.game-player-container .game-chat .logo{display:none;width:173px;margin:20px auto;margin-bottom:60px}.game-creator-container .is-open .logo,.game-player-container .is-open .logo{display:flex;align-items:center;gap:10px}.game-creator-container.full-screen,.game-player-container.full-screen{width:100vw;height:100vh;position:fixed;top:0;left:0;z-index:99999}.game-creator-container .ai-explain,.game-player-container .ai-explain{position:absolute;bottom:35px;left:0;z-index:99999;padding:10px;text-align:center;width:100%;box-sizing:border-box}.game-creator-container .ai-explain .ai-explain-item,.game-player-container .ai-explain .ai-explain-item{background-color:#000;color:#fff;padding:10px;border-radius:5px;min-width:auto;display:inline-block;font-size:16px}.game-iframe-content{height:100%;border:none;display:block;transition:all.3s ease-in-out}.game-layer-spinner{display:flex;justify-content:center;align-items:center}.game-layer-blur-background{position:absolute;top:0;left:0;width:100%;height:100%;padding:10px;z-index:1;overflow:hidden}.game-controls{position:absolute;top:12px;right:15px;z-index:9999}.game-controls button{border:none;color:white;width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;padding:0;cursor:pointer;transition:background-color.2s}.game-controls button:hover{border:solid 1px rgba(0,0,0,.7)}.spinner{width:26px;height:26px;border:4px solid rgba(0,0,0,.1);border-top-color:#0af;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.hidden{display:none}::-webkit-scrollbar{width:3px;height:3px}::-webkit-scrollbar-thumb{background-color:rgba(0,0,0,.3);border-radius:10px}::-webkit-scrollbar-track{background-color:transparent}.game-creator-container .btn,.game-player-container .btn,.drawer .btn{padding:10px 20px;border:1px solid transparent;border-radius:8px;cursor:pointer;font-weight:600;font-size:14px;text-transform:uppercase;letter-spacing:.5px;transition:all.2s}.game-creator-container .btn:hover,.game-player-container .btn:hover,.drawer .btn:hover{opacity:.8}.game-creator-container .btn.btn-contained,.game-player-container .btn.btn-contained,.drawer .btn.btn-contained{color:white;background-color:#3f51b5}.game-creator-container .btn.btn-contained:hover,.game-player-container .btn.btn-contained:hover,.drawer .btn.btn-contained:hover{background-color:#32408f}.game-creator-container .btn.btn-outlined,.game-player-container .btn.btn-outlined,.drawer .btn.btn-outlined{background-color:transparent;border-color:#e0e0e0;color:#333}.game-creator-container .btn.btn-outlined:hover,.game-player-container .btn.btn-outlined:hover,.drawer .btn.btn-outlined:hover{background-color:#f5f5f5;border-color:#bababa}.game-creator-container .btn.btn-outlined.btn-danger,.game-player-container .btn.btn-outlined.btn-danger,.drawer .btn.btn-outlined.btn-danger{color:#f44336;border-color:#f44336}.game-creator-container .btn.btn-outlined.btn-danger:hover,.game-player-container .btn.btn-outlined.btn-danger:hover,.drawer .btn.btn-outlined.btn-danger:hover{background-color:#fff8f7}.game-creator-container .btn.btn-text,.game-player-container .btn.btn-text,.drawer .btn.btn-text{background:none;color:#3f51b5}.game-creator-container .btn.btn-text:hover,.game-player-container .btn.btn-text:hover,.drawer .btn.btn-text:hover{background-color:#e4e7f6}.game-creator-container .btn.btn-text.btn-danger,.game-player-container .btn.btn-text.btn-danger,.drawer .btn.btn-text.btn-danger{color:#f44336}.game-creator-container .btn.btn-text.btn-danger:hover,.game-player-container .btn.btn-text.btn-danger:hover,.drawer .btn.btn-text.btn-danger:hover{background-color:#fff8f7}.game-creator-container .btn.btn-disabled,.game-player-container .btn.btn-disabled,.drawer .btn.btn-disabled{cursor:not-allowed;opacity:.6}.floating-buttons{position:absolute;right:10px;top:50%;transform:translatey(-50%);display:flex;flex-direction:column;gap:16px;z-index:102}.floating-buttons .float-btn{width:32px;height:32px;border-radius:50%;background-color:rgba(255,255,255,.5);box-shadow:0 4px 12px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all.3s;-webkit-tap-highlight-color:transparent}.floating-buttons .float-btn svg{width:16px;height:16px}.floating-buttons .float-btn:hover{background-color:#fff;transform:scale(1.1)}.interactive-player-modal.fullscreen{position:absolute;inset:0;background-color:#fff;z-index:101}.interactive-player-modal.fullscreen .player-container{width:100%;height:100%;position:relative;z-index:1}.interactive-player-modal.fullscreen .close-btn{position:absolute;top:10px;right:10px;width:24px;height:24px;border-radius:50%;background-color:rgba(0,0,0,.5);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;-webkit-tap-highlight-color:transparent;z-index:2}.interactive-player-modal.fullscreen .close-btn:hover{background-color:rgba(0,0,0,.7)}.landscape.fullscreen{transform:rotate(90deg);transform-origin:center;width:100vh;height:100vw;position:absolute;top:calc(50% - 50vw);left:calc(50% - 50vh)}.landscape.floating-buttons{top:auto;bottom:10px;left:50%;right:auto;transform:translatex(-50%);flex-direction:row}.landscape.floating-buttons .float-btn{transform:rotate(90deg)}.landscape.floating-buttons .float-btn:hover{transform:rotate(90deg)scale(1.1)}.game-content-empty{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:18px;color:#999}.qc-panel{transform:translatey(60px);opacity:0;transition:all.6s cubic-bezier(.215,.61,.355,1)}.qc-panel.animate-in{transform:translatey(0);opacity:1}.qc-option{transition:transform.15s cubic-bezier(.2,0,.2,1),background-color.2s,border-color.2s,box-shadow.2s;user-select:none;-webkit-tap-highlight-color:transparent;overflow:hidden}.qc-option:not(.locked):hover{background-color:#fff!important;transform:translatey(-2px);box-shadow:0 6px 20px rgba(0,0,0,.1);border-color:gold!important}.qc-option:not(.locked):active{transform:scale(.92)translatey(0);background-color:rgba(240,240,240,.9)!important;box-shadow:0 2px 10px rgba(0,0,0,5%)}.qc-option.correct{transform:scale(1.05);animation:pulse-correct.2s ease-in-out forwards}@keyframes pulse-correct{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}.qc-option.wrong.shake{animation:shake-horizontal.4s cubic-bezier(.36,.07,.19,.97)both}@keyframes shake-horizontal{0%,to{transform:translatex(0)}20%,60%{transform:translatex(-10px)}40%,80%{transform:translatex(10px)}}.qc-option-glow{position:absolute;top:0;left:-150%;width:100%;height:100%;display:block;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,0)20%,rgba(255,255,255,.9)50%,rgba(255,255,255,0)80%,transparent 100%);transform:skewx(335deg);z-index:1;pointer-events:none;animation:shimmer-sweep 3s infinite ease-in-out}@keyframes shimmer-sweep{0%{left:-150%}30%{left:150%}to{left:150%}}.qc-error-toast{opacity:0;transform:translatey(20px)scale(.95);transition:all.4s cubic-bezier(.34,1.56,.64,1)}.qc-error-toast.show{opacity:1;transform:translatey(0)scale(1)}.interactive-player{height:100%;width:100%;background:linear-gradient(to bottom,#eee,#e3e3e3)}.dynamic-iframe-container{height:100%;width:100%;position:relative;display:flex;align-items:center;justify-content:center}.dynamic-iframe-container .iframe-container{height:100%;width:100%;aspect-ratio:16/9;margin:0 auto}.dynamic-iframe-container .iframe-container iframe{height:100%;width:100%}.dynamic-iframe-container.narrowscreen .iframe-container{height:auto;width:100%}.dynamic-iframe-container .loading-container,.dynamic-iframe-container .canvas-placeholder{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700}.dynamic-iframe-container .iframe-reloading-overlay{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;overflow:hidden;pointer-events:none}.dynamic-iframe-container .iframe-reloading-overlay:after{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(25,118,210,.15),transparent);animation:scanning 2s ease-in-out 1}.dynamic-iframe-container .iframe-content-loading{position:absolute;top:0;left:0;width:100%;height:100%;z-index:5;display:flex;align-items:center;justify-content:center;background:rgba(255,255,255,.8)}.dynamic-iframe-container .iframe-content-loading .loader{width:40px;height:40px;border:3px solid#e0e0e0;border-radius:50%;border-top-color:#1976d2;animation:spin 1s ease-in-out infinite}.dynamic-iframe-container .interactive-modify-comments-container{position:fixed;top:0;left:0;width:350px;padding:12px;z-index:9999;display:flex;flex-direction:row;align-items:flex-end;justify-content:space-between;gap:8px;background:#fff;border:1px solid#0057ff;border-radius:8px;box-shadow:rgba(0,0,0,.15)0 2px 8px;box-sizing:border-box}.dynamic-iframe-container .interactive-modify-comments-container textarea{border:none;outline:none;resize:none;font-size:14px;line-height:22px;padding:1px 0 0;margin:0;font-family:inherit;min-height:24px;max-height:200px;color:#1c2025;flex:1;overflow-y:auto;box-sizing:border-box}.dynamic-iframe-container .interactive-modify-comments-container textarea::-webkit-scrollbar{width:4px}.dynamic-iframe-container .interactive-modify-comments-container textarea::-webkit-scrollbar-track{background:transparent}.dynamic-iframe-container .interactive-modify-comments-container textarea::-webkit-scrollbar-thumb{background:#ccc;border-radius:2px}.dynamic-iframe-container .interactive-modify-comments-container textarea::-webkit-scrollbar-thumb:hover{background:#999}.dynamic-iframe-container .interactive-modify-comments-container button{color:#fff;cursor:pointer;background:#3f51b5;border-radius:50%;width:24px;height:24px;border:none;flex-shrink:0;display:flex;align-items:center;justify-content:center}.dynamic-iframe-container .interactive-modify-comments-container button:disabled{background:#ccc;cursor:not-allowed;color:#fff}@keyframes slideUp{0%{opacity:0;transform:translatey(20px)}to{opacity:1;transform:translatey(0)}}@keyframes bounce{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@keyframes flyInBottomRight{0%{opacity:0;transform:translate(100%,100%)scale(.5)}to{opacity:1;transform:translate(0)scale(1)}}.interactive-finished-dialog{position:fixed;bottom:40px;right:40px;z-index:10000;background:rgba(255,255,255,.25);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.4);box-shadow:0 8px 32px 0 rgba(31,38,135,.2),inset 0 0 0 1px rgba(255,255,255,.2);border-radius:20px;padding:16px;min-width:200px;max-width:300px;animation:flyInBottomRight.6s cubic-bezier(.34,1.56,.64,1);transform-origin:bottom right}.interactive-finished-dialog .dialog-actions{display:flex;gap:12px;justify-content:center;flex-direction:column}.interactive-finished-dialog .dialog-actions button{width:100%;padding:10px 20px;border-radius:12px;font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all.3s ease;position:relative;overflow:hidden}.interactive-finished-dialog .dialog-actions button.btn-primary{background:linear-gradient(135deg,#6e8efb,#a777e3);color:#fff;box-shadow:0 4px 15px rgba(110,142,251,.4)}.interactive-finished-dialog .dialog-actions button.btn-primary:hover{background:linear-gradient(135deg,#5c7cfa,#9666d3);transform:translatey(-2px);box-shadow:0 6px 20px rgba(110,142,251,.6)}.interactive-finished-dialog .dialog-actions button.btn-primary:active{transform:translatey(1px);box-shadow:0 2px 10px rgba(110,142,251,.3)}.interactive-finished-dialog .dialog-actions button.btn-secondary{background:rgba(255,255,255,.5);color:#555;border:1px solid rgba(255,255,255,.6)}.interactive-finished-dialog .dialog-actions button.btn-secondary:hover{background:rgba(255,255,255,.8);color:#333;transform:translatey(-2px)}.interactive-finished-dialog .dialog-actions button.btn-secondary:active{background:rgba(255,255,255,.4);transform:translatey(1px)}.cute-audio-player{font-family:"Helvetica Neue",Arial,sans-serif;background-color:#fff;padding:0 16px;width:100%;position:absolute;bottom:0;left:0;z-index:101;border-top:solid 1px#e3e3e3;box-sizing:border-box;transition:background-color.3s ease,border.3s ease}.cute-audio-player.progress-bar-hidden{background-color:transparent;border-top:none}.cap-cover-art{width:50px;height:50px;border-radius:10px;object-fit:cover;box-shadow:0 2px 5px rgba(0,0,0,8%)}.cap-controls{display:flex;height:40px;align-items:center}.cap-progress-container{display:flex;flex-direction:column;gap:5px}.cap-time{font-size:10px;color:#8c96c2;margin:0;text-align:left;font-variant-numeric:tabular-nums;width:66px}.cap-progress-bar-container{width:100%;height:8px;cursor:pointer;position:relative;display:flex;align-items:center;-webkit-tap-highlight-color:transparent}.cap-progress-bar-container.disabled{cursor:not-allowed;opacity:.6}.cap-progress-bar-container.disabled .cap-progress-bar-fill{background:#ccc}.cap-progress-bar-container.disabled .cap-progress-handle{border-color:#999;background-color:#f5f5f5}.cap-progress-bar-bg{background-color:#eef2ff;width:100%;height:4px;border-radius:2px;position:absolute}.cap-progress-bar-fill{background:linear-gradient(90deg,#81a5ff 0%,#a2baff 100%);height:4px;border-radius:2px;position:absolute}.cap-progress-handle{width:10px;height:10px;border-radius:50%;background-color:white;border:1.5px solid#81a5ff;position:absolute;box-sizing:border-box;top:50%;transform:translatey(-50%)}.cap-buttons{display:flex;justify-content:center;align-items:center;gap:6px}.speed-selector{position:relative;margin:0 4px;-webkit-tap-highlight-color:transparent}.speed-selector .speed-select{appearance:none;-webkit-appearance:none;-moz-appearance:none;background-color:#f5f5f5;border:1px solid#e0e0e0;border-radius:4px;padding:2px 10px 2px 2px;font-size:12px;color:#333;cursor:pointer;outline:none;height:24px;transition:all.2s ease;min-width:26px;text-align:center}.speed-selector .speed-select:hover{background-color:#eaeaea;border-color:#ccc}.speed-selector .speed-select:disabled{opacity:.6;cursor:not-allowed}.speed-selector .speed-select::-ms-expand{display:none}.speed-selector:after{content:"▼";position:absolute;top:50%;right:6px;transform:translatey(-50%);font-size:8px;color:#666;pointer-events:none}.cap-play-btn{background-color:#6d91ff;color:white;border:none;border-radius:50%;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 6px rgba(109,145,255,.4);transition:transform.2s ease,background-color.2s ease;-webkit-tap-highlight-color:transparent}.cap-play-btn.close{background-color:#cd3b3b}.cap-play-btn:hover{transform:scale(1.08)}.cap-play-btn:active{transform:scale(1);background-color:#5a7ee6}.cap-play-btn:disabled{background-color:#c0cfff;cursor:not-allowed;transform:scale(1)}.audio-generating{position:absolute;bottom:0;left:0;padding:0;width:100%;background-color:rgba(0,0,0,5%);display:flex;justify-content:center;align-items:center;z-index:99999;height:40px}.ai-content-loading{position:relative;width:110px;margin:0;display:flex;align-items:center;justify-content:center}.ai-content-loading span:nth-of-type(2){left:44px;animation-delay:.2s}.ai-content-loading span:nth-of-type(3){left:55px;animation-delay:.4s}.ai-content-loading span:nth-of-type(4){left:66px;animation-delay:.6s}.ai-content-loading span:last-of-type{left:77px;animation-delay:.8s}@keyframes loading{0%,25%,to{background:#4826df;height:10px;transform:translatey(0);box-shadow:0 0 3px rgba(0,0,0,.1)}50%{background:#ff9800;height:30px;transform:translatey(15px);box-shadow:0 20px 3px rgba(0,0,0,.1)}}.ai-content-loading span{display:block;position:absolute;bottom:0;width:4px;height:10px;left:33px;background:#2d0db9;animation:loading 1.5s infinite ease-in-out}.ppt-controls{justify-content:center}.ppt-controls .cap-buttons{display:flex;gap:20px}.ppt-controls{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;width:100%;transition:all.3s ease}.ppt-controls.progress-hidden{grid-template-columns:auto auto;justify-content:space-between}.ppt-controls.progress-hidden .ppt-progress-container{display:none}.ppt-controls .ppt-left-controls{margin-left:0;display:flex;gap:8px}.ppt-controls .cap-buttons{width:90px;margin-right:0;gap:15px}.ppt-controls .cc-btn{background-color:#fff;color:#0a32ab}.ppt-controls .cc-btn.active{background-color:#6d91ff;color:#fff}.ppt-controls .hide-progress-btn{background-color:#fff;color:#0a32ab}.ppt-controls .hide-progress-btn:hover{background-color:#f0f0f0}.ppt-progress-container{display:flex;align-items:center;gap:12px;color:#eee;font-size:12px}.ppt-page-indicator{display:flex;align-items:center;white-space:nowrap;color:#333;font-size:12px}.ppt-page-input{width:16px;padding:2px 4px;border:1px solid#ccc;border-radius:4px;text-align:center;font-size:12px;-moz-appearance:textfield}.ppt-page-input::-webkit-outer-spin-button,.ppt-page-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.ppt-current-page.editable{cursor:pointer;padding:2px 4px;border-radius:4px}.ppt-current-page.editable:hover{background-color:#f0f0f0}.segmented-progress-bar-container{display:flex;flex-grow:1;gap:4px}.progress-segment{flex-grow:1;height:6px;background-color:#e5e7eb;border-radius:4px;overflow:hidden}.progress-segment-fill{height:100%;background-color:#3b82f6;border-radius:4px}@keyframes loading-spinner-animation{to{transform:rotate(360deg)}}.loading-spinner{display:inline-block;border:2px solid rgba(0,0,0,.1);border-left-color:#333;border-radius:50%;animation:loading-spinner-animation.6s linear infinite}.audio-player-bar{position:absolute;bottom:20px;left:50%;z-index:999;margin-left:-45%;display:flex;align-items:center;gap:18px;width:90%;height:42px;padding:5px 41px;background-color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.7);border-radius:30px;backdrop-filter:blur(12px);box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";transition:all.3s ease-in-out;box-sizing:border-box}.audio-player-bar.rotated{transform:rotate(90deg)}.audio-player-bar.hidden-bar{opacity:0;pointer-events:none}.audio-player-bar .player-display{display:flex;align-items:center;gap:8px;min-width:80px}.audio-player-bar .player-display .display-text{font-size:14px;font-weight:500;color:rgba(0,0,0,.7)}.audio-player-bar .player-display .display-text.caption{padding:0 8px;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.audio-player-bar .player-display .display-text.time{white-space:nowrap;user-select:none}.audio-player-bar .player-display .loading-text{font-size:14px;font-weight:500;color:rgba(0,0,0,.7);animation:pulse 2s cubic-bezier(.4,0,.6,1)infinite}.audio-player-bar .progress-bar{position:relative;flex:1;height:8px;border-radius:9999px}.audio-player-bar .progress-bar:not(.seek-forbidden){cursor:pointer}.audio-player-bar .progress-bar.seek-forbidden{pointer-events:none}.audio-player-bar .progress-bar .progress-track-bg{position:absolute;width:100%;height:6px;top:50%;transform:translatey(-50%);background-color:rgba(0,0,0,.2);border-radius:9999px}.audio-player-bar .progress-bar .progress-track-filled{position:absolute;height:6px;top:50%;transform:translatey(-50%);background-color:#292929;border-radius:9999px}.audio-player-bar .progress-bar .segments-container{display:flex;gap:4px;width:100%;height:100%;align-items:center}.audio-player-bar .progress-bar .segments-container .progress-segment{position:relative;height:6px;border-radius:4px;overflow:hidden}.audio-player-bar .progress-bar .segments-container .progress-segment .segment-bg{position:absolute;width:100%;height:100%;background-color:rgba(0,0,0,.1)}.audio-player-bar .progress-bar .segments-container .progress-segment .segment-fill{position:absolute;height:100%;background-color:#292929;left:0;top:0}.audio-player-bar .progress-bar .progress-thumb{position:absolute;top:50%;width:16px;height:16px;background-color:#292929;border-radius:50%;box-shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px -1px rgba(0,0,0,.1);transition:transform.2s ease-in-out;transform:translate(-50%,-50%);display:none}.audio-player-bar .progress-bar:hover .progress-thumb{transform:translate(-50%,-50%)scale(1.1)}.audio-player-bar .controls-container{display:flex;align-items:center;justify-content:center;gap:8px;background-color:rgba(255,255,255,.9);border-radius:9999px;padding:4px 10px;box-shadow:inset 0 2px 4px 0 rgba(0,0,0,5%)}.audio-player-bar .controls-container.generating{opacity:.5}.audio-player-bar .playback-rate-control{position:relative}.audio-player-bar .playback-rate-control .rate-menu{position:absolute;bottom:100%;left:50%;transform:translatex(-50%);margin-bottom:8px;width:80px;background-color:white;border-radius:8px;box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -4px rgba(0,0,0,.1);overflow:hidden;border:1px solid rgba(0,0,0,5%);z-index:10}.audio-player-bar .playback-rate-control .rate-menu-inner{display:flex;flex-direction:column}.audio-player-bar .playback-rate-control .rate-menu-button{padding:8px 16px;font-size:14px;text-align:center;color:#374151;background:none;border:none;width:100%;cursor:pointer}.audio-player-bar .playback-rate-control .rate-menu-button:hover{background-color:#f3f4f6}.audio-player-bar .playback-rate-control .rate-menu-button.active{background-color:#e5e7eb;color:black}.audio-player-bar .playback-rate-control .rate-menu-button:disabled{opacity:.7;cursor:not-allowed}.audio-player-bar .playback-rate-control .rate-toggle-button{background-color:#292929;color:white;border-radius:5px;font-size:12px;font-weight:700;width:32px;height:18px;display:flex;align-items:center;justify-content:center;appearance:none;border:none;cursor:pointer}.audio-player-bar .playback-rate-control .rate-toggle-button:focus{outline:none}.audio-player-bar .playback-rate-control .rate-toggle-button:disabled{opacity:.7;cursor:not-allowed}.audio-player-bar .play-pause-button{color:#292929;transition:opacity.2s ease;background:none;border:none;cursor:pointer;padding:0;display:flex}.audio-player-bar .play-pause-button:hover{opacity:.7}.audio-player-bar .play-pause-button:disabled{opacity:.7;cursor:not-allowed}.audio-player-bar .fullscreen-button{color:#292929;transition:opacity.2s ease;background:none;border:none;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center}.audio-player-bar .fullscreen-button:hover{opacity:.7}.audio-player-bar .caption-toggle-button{color:#292929;transition:opacity.2s ease;background:none;border:none;cursor:pointer;padding:0;display:flex;font-size:12px}.audio-player-bar .caption-toggle-button:hover{opacity:.7}.audio-player-bar .caption-toggle-button.active{opacity:.5}.thin-progress-bar-container{position:absolute;bottom:0;left:0;width:100%;height:5px;background-color:rgba(255,255,255,.2);z-index:2500;pointer-events:none}.thin-progress-bar-filled{height:100%;background-color:#000}.thin-segments-container{display:flex;gap:2px;width:100%;height:100%}.thin-segments-container .thin-segment{position:relative;height:100%;background-color:rgba(255,255,255,.2)}.thin-segments-container .thin-segment .thin-segment-fill{position:absolute;height:100%;background-color:#000;left:0;top:0}@media(max-width:480px){.audio-player-bar .progress-bar{display:none}}#game-viewport{position:relative;width:100%;height:100%;display:flex;justify-content:center;align-items:center;background-color:#000;padding-bottom:40px}.game-container{position:relative;overflow:hidden;background-color:#f0f9ff}.game-container img{width:100%}.game-container .scene{width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden;display:flex;justify-content:center;align-items:center}.game-container .character{position:absolute;width:90px;height:90px}.game-container .character img{width:100%;height:100%;object-fit:contain}.game-container #start-screen{background:linear-gradient(to bottom,#87ceeb,#f0f9ff);flex-direction:column;gap:2rem}.game-container #start-btn{font-size:2.5rem;padding:1rem 2.5rem;background:linear-gradient(145deg,#fbbf24,#f59e0b);color:#4a2c0d;border-radius:9999px;border:4px solid#fde68a;box-shadow:0 8px 15px rgba(0,0,0,.3);transition:all.2s ease;cursor:pointer}.game-container #start-btn:hover{transform:scale(1.05);box-shadow:0 12px 20px rgba(0,0,0,.4)}.game-container .title{font-size:4.5rem;color:#1e3a8a;text-shadow:2px 2px 0#fff,4px 4px 0#93c5fd}.game-container .quiz-option{background:white;border:3px solid#3b82f6;border-radius:15px;padding:15px;cursor:pointer;transition:all.2s ease;display:flex;align-items:center;justify-content:center}.game-container .quiz-option:hover{transform:translatey(-5px);box-shadow:0 8px 15px rgba(0,0,0,.1)}.game-container .quiz-option.correct{background-color:#4ade80!important;border-color:#22c55e!important;color:white!important}.game-container .quiz-option.incorrect{background-color:#f87171!important;border-color:#ef4444!important;color:white!important;animation:shake.5s}@keyframes shake{0%,to{transform:translatex(0)}25%{transform:translatex(-10px)}75%{transform:translatex(10px)}}.main-player-container{position:relative;flex-grow:1;width:100%;height:100%;display:flex;align-items:center;justify-content:center;background-color:#f0f0f0;border-radius:8px;overflow:hidden}.main-player-container p.error-message{position:absolute;top:20px;text-align:center;color:red;font-weight:700}.interactive-player-panel{height:100%;position:absolute;top:0;left:0;width:100%;z-index:1000;background:#fff}.interactive-player-panel .float-buttons-bottom{z-index:1001;position:absolute;bottom:0;top:calc(10px + 50vh - 28.125vw);right:10px;width:auto;display:flex;justify-content:flex-end;gap:10px;flex-direction:row;height:40px;align-items:center}.interactive-player-panel .float-buttons-bottom.interactive-preview-mode{padding:0;padding-top:0;top:calc(50vh - 25px - 28.125vw)}.interactive-player-panel .float-buttons-bottom .interactive-player-btn{cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:32px;width:110px;height:32px;gap:8px;color:#fff;background-color:#6d91ff;box-shadow:0 4px 12px rgba(0,0,0,.15)}@media screen and (min-aspect-ratio:16/9){.interactive-player-panel .float-buttons-bottom{top:10px;right:calc(10px - 88.88888888888889vh + 50vw)}.interactive-player-panel .float-buttons-bottom.interactive-preview-mode{top:0;right:calc(50px - 88.88888888888889vh + 50vw)}}@media screen and (max-width:720px){.interactive-player-panel .float-buttons-bottom .interactive-player-btn{font-size:10px;height:28px;border-radius:28px;gap:6px;width:85px}}@media screen and (max-width:640px){.interactive-player-panel .float-buttons-bottom .interactive-player-btn{font-size:8px;height:24px;border-radius:24px;gap:4px;width:60px}}@media screen and (max-width:560px){.interactive-player-panel .float-buttons-bottom .interactive-player-btn{font-size:6px;height:20px;border-radius:20px;gap:2px;width:45px}}._6c62f3e4105da6e035da{display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;height:100%;background-color:rgba(246,241,231,.8);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);position:absolute;top:0;left:0;z-index:99999;overflow:hidden}._47f2feaab52b6be87851{position:relative;z-index:20;display:flex;flex-direction:column;align-items:center;justify-content:center;width:100%;max-width:1200px;padding:20px;box-sizing:border-box}.ca58668a2c496188d758{font-size:clamp(1.5rem,5vw,2.5rem);font-weight:700;color:#1f2937;text-shadow:0 2px 4px rgba(0,0,0,5%);width:100%;max-width:800px;text-align:center;margin:0 auto;line-height:1.4}._062a136e72b1fba89805{display:flex;gap:1rem;flex-wrap:wrap;justify-content:center;width:100%;margin-top:1.5rem}._2142145cc1eba28da58d{padding:.75rem 2rem;font-size:1.125rem;font-weight:600;color:#1f2937;background-color:#fff;border:solid 4px#1f2937;border-radius:9999px;cursor:pointer;transition:transform.2s ease,background-color.2s ease;box-shadow:0 4px 14px 0 rgba(0,0,0,.1);-webkit-tap-highlight-color:transparent}@media(min-width:768px){.ca58668a2c496188d758{width:60%}}._2142145cc1eba28da58d:hover{transform:scale(1.05)}._2142145cc1eba28da58d:active{transform:scale(.98)}._2142145cc1eba28da58d:disabled{cursor:not-allowed;opacity:.7}._64e883365369eac4a8ff{position:absolute;will-change:transform;pointer-events:none;z-index:1}.cd1a980ef817d2e4af95{bottom:10rem;left:-4rem;width:20rem;rotate:10deg}.a1c77a7b741d0024ab1b{bottom:-3rem;left:-4rem;width:16rem;rotate:10deg}._41a222db35cc44d55fff{bottom:-2rem;left:10rem;width:10rem;rotate:12deg}._04e4311b39291b063a19{top:.1rem;left:0%;width:10rem;rotate:350deg}._6696229788845d3b8a22{top:9%;right:2%;width:140px;rotate:350deg}._6a373713d1696f18df25{top:16%;right:12%;width:90px;rotate:350deg}.c3c919a166c0ce3b87fc{bottom:-12%;right:-9%;width:20rem;transform-origin:bottom center;rotate:-8deg}@media(max-width:768px){.cd1a980ef817d2e4af95{width:180px;left:-60px;bottom:80px}.a1c77a7b741d0024ab1b{width:140px;left:-40px;bottom:-20px}._41a222db35cc44d55fff{width:100px;left:80px;bottom:-30px}._04e4311b39291b063a19{width:100px;top:1%;left:-20px}._6696229788845d3b8a22{width:80px;top:5%;right:-10px}._6a373713d1696f18df25{width:60px;top:15%;right:5%}.c3c919a166c0ce3b87fc{width:12rem;right:-25%;bottom:-50%}._04e4311b39291b063a19,._6a373713d1696f18df25,._41a222db35cc44d55fff{display:none}}@media(max-width:380px){.ca58668a2c496188d758{font-size:1.25rem}._2142145cc1eba28da58d{padding:.6rem 1.5rem;font-size:1rem}._04e4311b39291b063a19,._6a373713d1696f18df25,._41a222db35cc44d55fff{display:none}}@keyframes _4351dd75ae21dcf35831{0%{transform:rotate(-2deg)}50%{transform:rotate(2deg)}to{transform:rotate(-2deg)}}@keyframes _822255407faabe3ad103{0%,20%,50%,80%,to{transform:translatey(0)}40%{transform:translatey(-20px)}60%{transform:translatey(-10px)}}.acfb055b20f34827fe2c{animation:_4351dd75ae21dcf35831 3s ease-in-out infinite}._4922d4ac6615f1f6bcc3{animation:_822255407faabe3ad103 2s infinite ease-in-out}.c3c919a166c0ce3b87fc .st0{fill:#e6a9a8}.c3c919a166c0ce3b87fc .st1{fill:#fff}.c3c919a166c0ce3b87fc .st2,.c3c919a166c0ce3b87fc .st3{fill:none;stroke:#000;stroke-miterlimit:10}.c3c919a166c0ce3b87fc .st2{stroke-linecap:round;stroke-width:10px}.c3c919a166c0ce3b87fc .st3{stroke-width:3px}.a1c77a7b741d0024ab1b .st0{fill:#fff}.a1c77a7b741d0024ab1b .st1{fill:#00a3fe}.a1c77a7b741d0024ab1b .st2{fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:5px}.cd1a980ef817d2e4af95 .st0{fill:#fff}.cd1a980ef817d2e4af95 .st1{fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:5px}.cd1a980ef817d2e4af95 .st2{fill:#9e65c6}._6a373713d1696f18df25 .st0{fill:#fff}._6a373713d1696f18df25 .st1{fill:#ffb700}._6a373713d1696f18df25 .st2{fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:5px}._41a222db35cc44d55fff .st0{fill:#fff}._41a222db35cc44d55fff .st1{fill:#ff5fa8}._41a222db35cc44d55fff .st2{fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:5px}._6696229788845d3b8a22 .st0{fill:#00a652}._6696229788845d3b8a22 .st1{fill:#fff}._6696229788845d3b8a22 .st2{fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:5px}._04e4311b39291b063a19 .st0{fill:#fff}._04e4311b39291b063a19 .st1{fill:#fb5500}._04e4311b39291b063a19 .st2{fill:none;stroke:#000;stroke-linecap:round;stroke-miterlimit:10;stroke-width:5px}._64e883365369eac4a8ff .pupil{transform:translate(var(--eye-offset-x,0),var(--eye-offset-y,0));transition:transform.1s ease-out}.fe6089b134258b3f610a{width:1.2em;height:1.2em;border-radius:50%;border:3px solid rgba(255,255,255,.3);border-top-color:#fff;animation:_4b14d0d02a30a636fa12 1s linear infinite;display:inline-block;vertical-align:middle}@keyframes _4b14d0d02a30a636fa12{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.knowledge-player{position:absolute;top:0;left:0;right:0;bottom:0;z-index:999;background-color:#fff}.knowledge-player .knowledge-player-canvas{position:relative;width:100%;height:100%}.knowledge-player .knowledge-player-canvas .knowledge-player-canvas__content{position:absolute;top:0;left:0;right:0;bottom:0;width:100%;height:100%;overflow:hidden;background-color:#f0f9ff;display:flex;justify-content:center;align-items:center}.knowledge-player .tips{position:absolute;bottom:50px;color:#666;font-size:16px;text-align:center;z-index:9999;width:240px;background-color:rgba(0,0,0,.9);color:#fff;padding:10px;border-radius:5px;left:50%;transform:translatex(-50%);animation:tips-opacity 1s ease-in-out infinite alternate}@keyframes tips-opacity{0%{opacity:.6}to{opacity:1}}.game-mask-layer{position:absolute;top:0;left:0;right:0;bottom:0;z-index:9999;background-color:#000}.interactive-view{position:relative;width:100%;height:100%}.interactive-view .interactive-view-end-button{position:absolute;bottom:10px;right:10px;background-color:#2a3eb1;color:white;padding:5px 10px;border-radius:5px;font-size:14px;cursor:pointer}.think-message{position:absolute;left:50%;transform:translatex(-50%);bottom:10px;z-index:9999;color:#fff;padding:0 10px;height:30px;display:flex;align-items:center;justify-content:center;gap:5px;border-radius:10px;background-color:red;font-size:14px;line-height:1.5;word-break:break-all;white-space:normal}:root{font-family:"DouyinSansBold","PingFang SC","Microsoft YaHei","微软雅黑",sans-serif;background-color:#f5f5f5;color:#1f2937}@font-face{font-family:"DouyinSansBold";src:url(https://file.mojithink.com/assets/google-fonts/douyin.ttf)format("truetype");font-weight:700;font-style:normal;font-display:swap}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}body{margin:0;background-color:var(--bg-color);color:var(--text-color);font-family:"DouyinSansBold","PingFang SC","Microsoft YaHei","微软雅黑",sans-serif;overflow-x:hidden;line-height:1.5}*{box-sizing:border-box}#root{min-height:100vh;background-color:#f5f5f5}.ant-custom-btn:not([disabled]):hover{transform:scale(1.05);background-color:#222!important;color:#fff!important}.game-player-container{position:absolute;top:0;left:0;width:100%;height:100%}.ant-card,.ant-modal-content,.ant-popover-inner,.ant-dropdown-menu{backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.student-learning-page{display:flex;flex-direction:column;height:100vh;width:100vw;overflow:hidden;font-family:"DouyinSansBold",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji"}.student-learning-page .steps-progress-bar div:hover{opacity:.8}.student-learning-page .learning-main{flex:1;display:flex;flex-direction:row;padding:24px 12px;position:relative;overflow:hidden;max-width:100%;width:100%;box-sizing:border-box;gap:12px}.student-learning-page .learning-main .main-content-panel{flex:1;display:flex;flex-direction:column;position:relative;overflow:hidden}.student-learning-page .learning-main .render-area-placeholder{position:relative;z-index:8;height:100%;min-height:280px;border:1px solid#ebebeb;box-shadow:0 4px 16px rgba(0,0,0,4%);border-radius:20px;display:flex;align-items:stretch;justify-content:flex-start;color:#333;font-size:1.2rem;transition:all.3s ease;overflow:hidden}.student-learning-page .learning-main .render-area-placeholder #real-game-container{width:100%;height:100%;overflow:hidden}.student-learning-page .learning-main .render-area-placeholder.has-question-panel .canvas-theme-selector{opacity:0;pointer-events:none;transform:translate(-50%,8px)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector{position:absolute;bottom:30px;left:50%;transform:translatex(-50%);display:flex;align-items:center;gap:12px;padding:8px 18px;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border-radius:30px;box-shadow:0 4px 20px rgba(0,0,0,.1);z-index:20;transition:all.4s cubic-bezier(.34,1.56,.64,1);border:1px solid rgba(255,255,255,.5)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector.player-bar-active{bottom:100px}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector:hover{background:rgba(255,255,255,.95);box-shadow:0 6px 24px rgba(0,0,0,.12)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .theme-dot{width:20px;height:20px;border-radius:50%;border:2px solid transparent;cursor:pointer;box-shadow:0 1px 4px rgba(0,0,0,.1);transition:all.2s ease-out}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .theme-dot:hover{transform:scale(1.2)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .theme-dot.selected{border-color:#1890ff;transform:scale(1.3);box-shadow:0 2px 8px rgba(24,144,255,.4)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-toolbar-divider{width:1px;height:20px;background:rgba(0,0,0,8%);margin:0 4px}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-voice-btn{display:flex;align-items:center;gap:8px;padding:4px 12px;border-radius:20px;cursor:pointer;transition:all.2s;background:rgba(0,0,0,4%);white-space:nowrap}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-voice-btn:hover{background:rgba(0,0,0,8%);transform:translatey(-1px)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-voice-btn:active{transform:translatey(0)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-voice-btn .voice-name{font-size:13px;font-weight:500;color:#333}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-voice-btn .voice-cost{font-size:11px;color:#1890ff;font-weight:600}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-share-btn{display:flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;cursor:pointer;transition:all.2s;background:rgba(0,0,0,4%);color:#666}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-share-btn:hover{background:rgba(0,0,0,8%);color:#1890ff;transform:translatey(-1px)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-share-btn:active{transform:translatey(0)scale(.95)}.student-learning-page .learning-main .render-area-placeholder .canvas-theme-selector .canvas-share-btn svg{width:18px;height:18px}.student-learning-page .learning-main .render-area-placeholder .canvas-action-buttons{position:absolute;bottom:24px;left:10px;z-index:70;display:flex;flex-direction:column;gap:8px;align-items:center;background:rgba(255,255,255,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:6px;border-radius:28px;box-shadow:0 4px 16px rgba(0,0,0,8%);border:1px solid rgba(0,0,0,5%);transition:all.3s ease}.student-learning-page .learning-main .render-area-placeholder .canvas-action-buttons:empty{display:none}.student-learning-page .learning-main .render-area-placeholder .canvas-action-buttons .action-btn-item{color:#333;width:32px;height:32px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all.2s ease;background:transparent}.student-learning-page .learning-main .render-area-placeholder .canvas-action-buttons .action-btn-item:hover{background:rgba(0,0,0,5%);transform:scale(1.05)}.student-learning-page .learning-main .render-area-placeholder .canvas-action-buttons .action-btn-item:active{transform:scale(.95)}.student-learning-page .learning-main .render-area-placeholder .canvas-action-buttons .action-btn-item.expand-btn{background:#1890ff;color:#fff;box-shadow:0 2px 8px rgba(24,144,255,.3)}.student-learning-page .learning-main .render-area-placeholder .canvas-action-buttons .action-btn-item.expand-btn:hover{background:#40a9ff;box-shadow:0 4px 12px rgba(24,144,255,.4)}.student-learning-page .learning-main .render-area-placeholder .canvas-action-buttons .action-btn-item .anticon{font-size:16px}.student-learning-page .learning-main .sidebar-panel{width:400px;display:flex;flex-direction:column;flex-shrink:0;transition:all.3s cubic-bezier(.2,0,0,1);overflow:hidden;position:relative}.student-learning-page .learning-main .sidebar-panel.collapsed{width:0!important;margin-right:-24px;opacity:0;pointer-events:none}.student-learning-page .learning-main .sidebar-panel.full-width{width:100%;position:absolute;top:0;left:0;height:100%;z-index:100;background:#f5f5f5;padding:24px}.student-learning-page .learning-main .sidebar-panel .right-panel-chat-wrapper{flex:1;display:flex;flex-direction:column;background:#fff;border:1px solid#ebebeb;border-radius:20px;box-shadow:0 4px 16px rgba(0,0,0,4%);overflow:hidden}.student-learning-page .learning-main .sidebar-panel .ai-chat-drawer{width:100%!important;border-right:none!important;border-radius:0;border:none;margin:0;flex:1;position:relative;box-shadow:none;overflow:hidden}.student-learning-page .learning-main .sidebar-panel .ai-chat-drawer.visible{width:100%!important}.student-learning-page .learning-main .sidebar-panel .input-container{z-index:51;flex-shrink:0}.student-learning-page .learning-main .sidebar-panel .input-area{flex-shrink:0;background:#fff;border:none;border-top:1px solid#f0f0f0;box-shadow:none;border-radius:0;padding:12px 16px;display:flex;gap:12px;align-items:stretch;transition:all.3s ease;width:100%;box-sizing:border-box;margin-bottom:0}.student-learning-page .learning-main .sidebar-panel .input-area .input-area-wrapper{border-radius:16px;transition:all.3s ease}.student-learning-page .learning-main .sidebar-panel .input-area .input-area-wrapper.drag-over{background:rgba(24,144,255,5%);outline:2px dashed#1890ff;outline-offset:-2px;box-shadow:0 0 12px rgba(24,144,255,.1)}.student-learning-page .learning-main .sidebar-panel .input-area:focus-within{background:#fafbfc}.student-learning-page .learning-main .sidebar-panel .input-area .input-left{flex:1;display:flex;flex-direction:column;gap:8px}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .input-toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .input-toolbar .theme-selector-inline{display:flex;align-items:center;gap:8px;margin-left:4px;padding-left:8px;border-left:1px solid#f0f0f0}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .input-toolbar .toolbar-spacer{flex:1;min-width:8px}@media(max-width:820px){.student-learning-page .learning-main .sidebar-panel .input-area .input-left .input-toolbar .mobile-adapt-btn{order:5}}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2{position:relative;flex:1;display:flex;flex-direction:column;background:#f5f7fa;border-radius:16px;border:1px solid transparent;transition:all.2s cubic-bezier(.2,0,0,1);overflow:hidden;width:100%}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2:focus-within{background:#fff;border-color:#1890ff;box-shadow:0 0 0 2px rgba(24,144,255,.1)}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-textarea-v2{width:100%;border:none!important;background:transparent!important;box-shadow:none!important;padding:12px 16px 8px!important;font-size:14px;line-height:1.6;color:#333;resize:none}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-textarea-v2::placeholder{color:#a0a0a0}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer{display:flex;align-items:center;justify-content:space-between;padding:4px 8px 8px 12px;background:transparent}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer .footer-selectors{display:flex;align-items:center;gap:8px}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer .footer-selectors .canvas-voice-btn{background:rgba(0,0,0,4%);height:30px;padding:4px 6px;border-radius:15px;font-size:13px;color:#333;transition:all.2s}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer .footer-selectors .canvas-voice-btn:hover{background:rgba(0,0,0,8%)}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer .send-btn{position:static;width:26px;height:26px;border-radius:8px;padding:0;display:flex;align-items:center;justify-content:center;background:#1890ff;color:white;border:none;cursor:pointer;transition:all.2s ease;box-shadow:0 2px 4px rgba(24,144,255,.2)}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer .send-btn svg{font-size:14px}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer .send-btn:hover{background:#40a9ff;transform:translatey(-1px);box-shadow:0 4px 10px rgba(24,144,255,.3)}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer .send-btn:active{transform:scale(.96)}.student-learning-page .learning-main .sidebar-panel .input-area .input-left .message-input-wrapper-v2 .message-input-footer .send-btn[disabled]{opacity:.5;cursor:not-allowed;background:#d9d9d9;box-shadow:none;color:#fff}.student-learning-page .learning-main .sidebar-panel .input-area .toolbar-btn{background:transparent;border:none;cursor:pointer;color:#666;display:flex;align-items:center;justify-content:center;padding:4px;border-radius:6px;transition:all.2s}.student-learning-page .learning-main .sidebar-panel .input-area .toolbar-btn .anticon{font-size:18px}.student-learning-page .learning-main .sidebar-panel .input-area .toolbar-btn:hover:not([disabled]){background:rgba(0,0,0,4%);color:#1890ff}.student-learning-page .learning-main .sidebar-panel .input-area .toolbar-btn:active:not([disabled]){transform:scale(.96);background:rgba(0,0,0,8%)}.student-learning-page .learning-main .sidebar-panel .input-area .toolbar-btn.active{background:#e6f7ff;color:#1890ff}.student-learning-page .learning-main .sidebar-panel .input-area .toolbar-btn.active:hover:not([disabled]){background:#bae7ff}.student-learning-page .learning-main .sidebar-panel .input-area .toolbar-btn[disabled]{opacity:.4;cursor:not-allowed;color:#ccc}.student-learning-page .learning-main .sidebar-panel .input-area .toolbar-btn[disabled]:hover{background:transparent}.student-learning-page .learning-main .drawer-toggle-btn{position:absolute;left:0;top:50%;transform:translatey(-50%);z-index:40;background:#fff;border:1px solid#ebebeb;border-left:none;border-radius:0 8px 8px 0;box-shadow:2px 0 8px rgba(0,0,0,5%);padding:8px 4px;cursor:pointer;display:flex;flex-direction:column;gap:4px;align-items:center;transition:all.2s}.student-learning-page .learning-main .drawer-toggle-btn:hover{background:#f5f5f5;padding-right:6px}.student-learning-page .learning-main .drawer-toggle-btn .btn-text{writing-mode:vertical-rl;text-orientation:mixed;font-size:12px;color:#666;font-weight:500}.student-learning-page .learning-main .feature-intro{text-align:center;color:#999;font-size:13px;margin-bottom:12px;width:100%}.student-learning-page .learning-main .toolbar-grade-select{background:rgba(0,0,0,4%);border-radius:13px;transition:all.2s;height:26px}.student-learning-page .learning-main .toolbar-grade-select:hover{background:rgba(0,0,0,8%)}.student-learning-page .learning-main .toolbar-grade-select .ant-select-selector{padding:0 10px!important;font-size:12px!important;font-weight:500!important;color:#333!important;height:26px!important;line-height:26px!important;display:flex;align-items:center}.student-learning-page .learning-main .image-preview-area .preview-item{box-shadow:0 2px 8px rgba(0,0,0,8%)}@media(max-width:767px){.student-learning-page:not(.is-shared){flex:1;display:flex;flex-direction:column;height:calc(100vh - 56px);min-height:0}.student-learning-page:not(.is-shared) .learning-main{flex-direction:row!important;flex:1;height:100%;overflow:hidden;padding:0;gap:0}.student-learning-page:not(.is-shared) .sidebar-panel{display:flex;flex-direction:column;position:relative!important;width:45%!important;z-index:100;padding:0;flex:0 0 auto;overflow:visible!important}.student-learning-page:not(.is-shared) .sidebar-panel.collapsed{width:0!important;opacity:0;pointer-events:none;overflow:hidden}.student-learning-page:not(.is-shared) .sidebar-panel .right-panel-chat-wrapper{flex:1;display:flex;flex-direction:column;height:100%;min-height:0;border-radius:0;border:none;border-right:1px solid#ebebeb;overflow:visible!important}.student-learning-page:not(.is-shared) .sidebar-panel .right-panel-chat-wrapper .ai-chat-drawer{flex:1 1 auto!important;height:auto!important;max-height:100%!important;width:100%!important;overflow:visible!important}.student-learning-page:not(.is-shared) .sidebar-panel .right-panel-chat-wrapper .input-container{overflow:visible!important}.student-learning-page:not(.is-shared) .main-content-panel{display:flex!important;flex-direction:column!important;position:relative!important;flex:1!important;opacity:1!important;pointer-events:auto!important;z-index:10!important;border:none!important;border-radius:0!important;min-width:0!important}.student-learning-page:not(.is-shared) .main-content-panel .render-area-placeholder{display:flex!important;flex-direction:column!important;flex:1!important;height:100%!important;width:100%!important;border:none;border-radius:0;min-height:0!important}.student-learning-page:not(.is-shared) .sidebar-panel.collapsed+.main-content-panel{width:100%!important;opacity:1;pointer-events:auto;z-index:10}}.is-shared .learning-main{max-width:100%!important;padding:0!important;height:100vh;gap:0!important}.is-shared .main-content-panel .render-area-placeholder{border:none!important;border-radius:0!important;margin-bottom:0!important;box-shadow:none!important}.is-shared .sidebar-panel{gap:0!important;padding:0!important}.is-shared .sidebar-panel .right-panel-chat-wrapper{border:none!important;border-left:1px solid#ebebeb!important;border-radius:0!important;box-shadow:none!important}.is-shared .narration-container{bottom:24px!important}.ai-chat-drawer{height:100%;flex:1;min-height:0;background:#fff;border-right:1px solid#ebebeb;box-shadow:2px 0 8px rgba(0,0,0,5%);display:flex;flex-direction:column;transition:width.3s cubic-bezier(.2,0,0,1);overflow:hidden;z-index:50;width:0;flex-shrink:0;white-space:nowrap}.ai-chat-drawer.visible{width:320px}.ai-chat-drawer.visible.full-width{width:100%}.ai-chat-drawer .drawer-header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-bottom:1px solid#f0f0f0;position:relative;min-height:52px}.ai-chat-drawer .drawer-header .drawer-header-return-explain{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:6;pointer-events:auto}.ai-chat-drawer .drawer-header .drawer-header-return-explain .return-explain-btn.ant-btn-primary{font-weight:600;border-radius:20px;padding:0 18px;height:36px;box-shadow:0 4px 14px rgba(24,144,255,.35)}.ai-chat-drawer .drawer-header .title{font-weight:500;font-size:16px;color:#333;margin-bottom:0}.ai-chat-drawer .drawer-header .close-btn{color:#999}.ai-chat-drawer .drawer-header .close-btn:hover{color:#666}.ai-chat-drawer .drawer-header .mode-switch-wrapper{position:absolute;left:50%;transform:translatex(-50%);flex-shrink:0;z-index:5}.ai-chat-drawer .drawer-header .mode-switch-wrapper .mode-segmented{padding:2px;background:#eef2f7;border-radius:20px}.ai-chat-drawer .drawer-header .mode-switch-wrapper .mode-segmented .ant-segmented-item{border-radius:18px;min-width:72px;color:#475569;border:1px solid transparent}.ai-chat-drawer .drawer-header .mode-switch-wrapper .mode-segmented .ant-segmented-item-label{padding:0 10px;font-size:13px;font-weight:500;line-height:26px;min-height:26px}.ai-chat-drawer .drawer-header .mode-switch-wrapper .mode-segmented .ant-segmented-item .mode-segment-label{display:flex;justify-content:center;align-items:center;gap:6px}.ai-chat-drawer .drawer-header .mode-switch-wrapper .mode-segmented .ant-segmented-item .mode-segment-info{display:inline-flex;align-items:center;justify-content:center;color:#94a3b8;font-size:12px;line-height:1}.ai-chat-drawer .drawer-header .mode-switch-wrapper .mode-segmented .ant-segmented-item-selected{background:#fff;color:#1f2937;border-color:#d0d7de;box-shadow:0 1px 2px rgba(0,0,0,6%)}.ai-chat-drawer .drawer-header .mode-switch-wrapper .mode-segmented .ant-segmented-item-selected .mode-segment-info{color:#64748b}.ai-chat-drawer .drawer-header .mode-switch-wrapper .mode-segmented .ant-segmented-item:hover:not(.ant-segmented-item-selected):not(.ant-segmented-item-disabled){color:#334155}.ai-chat-drawer .messages-area{flex:1;overflow-y:auto;padding:16px;position:relative;display:flex;flex-direction:column;gap:12px;white-space:normal}.ai-chat-drawer .messages-area .message-item{display:flex;align-items:flex-start;gap:8px;max-width:98%}.ai-chat-drawer .messages-area .message-item.user{align-self:flex-end;flex-direction:row-reverse}.ai-chat-drawer .messages-area .message-item.user .bubble{background:#e6f7ff;color:#333;border-radius:12px 12px 0 12px}.ai-chat-drawer .messages-area .message-item.ai{align-self:flex-start}.ai-chat-drawer .messages-area .message-item.ai .bubble{background:#f5f5f5;color:#333;border-radius:12px 12px 12px 0}.ai-chat-drawer .messages-area .message-item .avatar{flex-shrink:0;background:#1890ff;color:#fff}.ai-chat-drawer .messages-area .message-item .bubble{padding:8px 12px;font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word}.ai-chat-drawer .messages-area .empty-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:#999;gap:16px}.ai-chat-drawer .messages-area .empty-placeholder span{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif!important}.ai-chat-drawer .messages-area .stream-scroll-bottom-btn{position:absolute;right:18px;bottom:18px;border-radius:999px;border:1px solid#bfdbfe;background:#fff;box-shadow:0 4px 12px rgba(37,99,235,.16);color:#1d4ed8;z-index:2}.ai-chat-drawer .messages-area .stream-scroll-bottom-btn:hover{border-color:#93c5fd;color:#1e40af}.ai-chat-drawer .input-area{padding:12px;border-top:1px solid#f0f0f0;display:flex;gap:8px;align-items:flex-end}.ai-chat-drawer .input-area .ant-input{border-radius:12px;resize:none}.ai-chat-drawer .input-area .send-btn{border-radius:12px;height:auto;padding:6px 16px}.ai-chat-drawer .chat-content{display:flex;flex-direction:column;padding:6px}.ai-chat-drawer .chat-content p{margin:0 0 8px}.ai-chat-drawer .chat-content p:last-child{margin-bottom:0}.ai-chat-drawer .chat-content pre{background:rgba(0,0,0,5%);padding:8px;border-radius:4px;overflow-x:auto;margin:8px 0}.ai-chat-drawer .chat-content pre code{background:transparent;padding:0;border-radius:0}.ai-chat-drawer .chat-content svg{max-width:500px}.ai-chat-drawer .chat-content svg foreignobject{overflow:visible}.ai-chat-drawer .chat-content code{background:rgba(0,0,0,5%);padding:2px 4px;border-radius:2px;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,Courier,monospace}.ai-chat-drawer .chat-content ul,.ai-chat-drawer .chat-content ol{margin:0 0 8px;padding-left:0}.ai-chat-drawer .chat-content h1{font-size:22px}.ai-chat-drawer .chat-content h2{font-size:20px}.ai-chat-drawer .chat-content h3{font-size:18px}.ai-chat-drawer .chat-content h4{font-size:16px}.ai-chat-drawer .chat-content h5{font-size:14px}.ai-chat-drawer .chat-content h6{font-size:12px}.ai-chat-drawer .chat-content li{margin-bottom:4px}.ai-chat-drawer .chat-content img{max-width:100%;border-radius:4px;cursor:pointer}.ai-chat-drawer .chat-content context,.ai-chat-drawer .chat-content script{display:none}.ai-chat-drawer .chat-rich-content{display:flex;flex-direction:column;gap:10px}.ai-chat-drawer .chat-rich-title{padding:4px 6px 0;font-size:15px;font-weight:600;color:#0f172a;white-space:pre-wrap}.ai-chat-drawer .chat-rich-card{width:100%;max-width:800px;overflow:hidden;border-radius:12px;border:1px solid#e2e8f0;background:#fff}.ai-chat-drawer .chat-rich-diagram{width:100%;min-height:240px;padding:14px 14px 10px}.ai-chat-drawer .chat-rich-diagram-stage-host{position:relative;width:100%}.ai-chat-drawer .chat-rich-diagram-stage{position:relative;transform-origin:top left}.ai-chat-drawer .chat-rich-diagram-svg{position:absolute;inset:0;display:block;width:100%;height:100%;max-width:none}.ai-chat-drawer .chat-rich-diagram-svg path{vector-effect:non-scaling-stroke}.ai-chat-drawer .chat-rich-diagram-label-layer{position:absolute;inset:0}.ai-chat-drawer .diagram-label{position:absolute;padding:4px 6px;box-sizing:border-box;text-align:center;line-height:1.35;color:#0f172a;font-weight:500;white-space:normal;word-break:break-word;overflow:hidden}.ai-chat-drawer .diagram-label.formula-node{font-weight:600}.ai-chat-drawer .diagram-label.decision-node{display:flex;flex-direction:column;justify-content:center}.ai-chat-drawer .diagram-label.callout-label{color:#334155;font-weight:500;text-align:left;line-height:1.4;padding:4px 8px}.ai-chat-drawer .diagram-label .diagram-text-line,.ai-chat-drawer .diagram-label .diagram-latex-line{display:block;width:100%}.ai-chat-drawer .diagram-label .diagram-latex-line{text-align:inherit;margin-top:2px;line-height:1.2}.ai-chat-drawer .diagram-label.formula-node .katex,.ai-chat-drawer .diagram-label.callout-label .katex,.ai-chat-drawer .diagram-label.edge-label-latex .katex{font-size:1em;white-space:nowrap}.ai-chat-drawer .diagram-label.formula-node .katex-display,.ai-chat-drawer .diagram-label.callout-label .katex-display,.ai-chat-drawer .diagram-label.edge-label-latex .katex-display{margin:0}.ai-chat-drawer .chat-rich-diagram-caption{margin-top:10px;text-align:center;font-size:13px;color:#475569;font-weight:600}.ai-chat-drawer .chat-rich-svg{width:100%;padding:12px}.ai-chat-drawer .chat-rich-svg svg{display:block;width:100%;height:auto;max-width:100%}.ai-chat-drawer .chat-rich-fallback{padding:10px 12px;border-radius:10px;background:#fff7ed;color:#9a3412;font-size:13px;line-height:1.5}.ai-chat-drawer .chat-rich-fallback.loading{background:#eff6ff;color:#1d4ed8;border:1px dashed#bfdbfe}.ai-chat-drawer context,.ai-chat-drawer script{display:none}.ai-chat-drawer .text-mode-input-area{padding:12px 16px;border-top:1px solid#f0f0f0;background:#fff}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper{display:flex;flex-direction:column;gap:8px;background:#f7f8fa;border-radius:12px;padding:10px 12px;border:1px solid#e8e8e8;transition:border-color.2s}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper:focus-within{border-color:#1890ff}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper .text-mode-textarea{border:none!important;background:transparent!important;box-shadow:none!important;padding:0!important;resize:none!important;font-size:14px;color:#333}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper .text-mode-textarea::placeholder{color:#bbb}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper .text-mode-bottom-bar{display:flex;align-items:center;justify-content:space-between}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper .text-mode-send-btn{width:32px;height:32px;border-radius:50%;border:none;background:linear-gradient(135deg,#1890ff,#096dd9);color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all.2s;flex-shrink:0}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper .text-mode-send-btn:hover:not(:disabled){background:linear-gradient(135deg,#40a9ff,#1890ff);transform:scale(1.05)}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper .text-mode-send-btn:disabled{opacity:.4;cursor:not-allowed}.ai-chat-drawer .text-mode-input-area .text-mode-input-wrapper .text-mode-send-btn svg{width:14px;height:14px}.ai-chat-drawer .recommended-questions{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;width:100%;padding:60px 40px;animation:fadeIn.5s ease-out}.ai-chat-drawer .recommended-questions .recommend-title{font-size:36px;font-weight:600;color:#1a1a1a;margin-bottom:48px;text-align:center;letter-spacing:-.5px}.ai-chat-drawer .recommended-questions .recommend-grid{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;max-width:900px;margin:0 auto}.ai-chat-drawer .recommended-questions .recommend-grid .recommend-item{padding:12px 24px;background:#f2f2f2;border-radius:12px;font-size:15px;color:#333;font-weight:400;cursor:pointer;transition:all.2s cubic-bezier(.4,0,.2,1);border:1px solid transparent;white-space:nowrap}.ai-chat-drawer .recommended-questions .recommend-grid .recommend-item:hover{background:#e6e6e6;transform:translatey(-2px)}.ai-chat-drawer .recommended-questions .recommend-grid .recommend-item:active{transform:translatey(0);background:#dbdbdb}.ai-chat-drawer .glassmorphism-block{display:flex;align-items:center;justify-content:space-between;padding:10px 10px 10px 18px;background:linear-gradient(135deg,rgba(255,255,255,.85),rgba(255,255,255,.4));backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.7);border-radius:24px;transition:all.3s cubic-bezier(.25,.8,.25,1);box-shadow:0 4px 16px rgba(0,0,0,5%),inset 0 1px 2px rgba(255,255,255,.9);margin:15px 8px}.ai-chat-drawer .glassmorphism-block:hover{transform:translatey(-2px);box-shadow:0 8px 24px rgba(0,0,0,8%),inset 0 1px 2px#fff;background:linear-gradient(135deg,rgba(255,255,255,.95),rgba(255,255,255,.5));border-color:rgba(255,255,255,.9)}.ai-chat-drawer .ai-explain-action-btn:hover:not([style*=not-allowed]){background:#bae7ff!important;border-color:#69c0ff!important;transform:translatey(-1px);box-shadow:0 4px 12px rgba(24,144,255,.15)!important}.ai-chat-drawer .ai-explain-action-btn:active:not([style*=not-allowed]){transform:translatey(0);background:#91caff!important;box-shadow:0 2px 4px rgba(24,144,255,.1)!important}.ai-chat-drawer .ai-actions-divider-block{border-top:1px solid rgba(0,0,0,6%);border-left:1px solid rgba(0,0,0,5%);border-right:1px solid rgba(0,0,0,5%);border-bottom:1px solid rgba(0,0,0,8%);margin:12px -12px -8px;padding:8px 12px;background:#fff;border-radius:0 0 12px 12px;display:flex;align-items:center;justify-content:center;gap:30px;flex-direction:row}@media(max-width:500px){.ai-chat-drawer .ai-actions-divider-block{flex-direction:column;gap:16px;padding:16px 12px}}.ai-chat-drawer:not(.full-width) .ai-actions-divider-block{flex-direction:column;gap:16px;padding:16px 12px}.narration-chat-message{align-self:flex-start}.narration-message-bubble{box-sizing:border-box;white-space:normal;word-break:break-word;overflow-wrap:anywhere}.narration-list-panel{display:flex;flex-direction:column;border:1px solid#e8e8e8;border-radius:10px;background:#fff;overflow:hidden;max-height:min(48vh,420px);overflow-x:hidden;overflow-y:auto}.narration-step-row{position:relative;display:block;width:100%;margin:0;padding:0;border:none;border-bottom:1px solid#f0f0f0;background:transparent;text-align:left;cursor:pointer;overflow:visible;min-height:min-content;height:auto;line-height:inherit;font:inherit;appearance:none;-webkit-appearance:none;transition:background.15s ease}.narration-step-row:last-child{border-bottom:none}.narration-step-row:hover:not(:disabled){background:rgba(24,144,255,4%)}.narration-step-row:disabled{cursor:wait;opacity:.9}.narration-step-row.is-active{background:rgba(230,247,255,.35)}.narration-step-fill{position:absolute;left:0;top:0;bottom:0;z-index:0;background:linear-gradient(90deg,rgba(230,247,255,.92)0%,rgba(186,231,255,.65)100%);pointer-events:none;transition:width.12s linear}.narration-step-body{position:relative;z-index:1;display:flex;gap:10px;align-items:flex-start;width:100%;box-sizing:border-box;padding:10px 12px}.narration-step-index{flex-shrink:0;min-width:22px;height:22px;line-height:22px;text-align:center;font-size:12px;font-weight:600;color:#1890ff;background:rgba(24,144,255,.1);border-radius:6px}.narration-step-text{flex:1;min-width:0;font-size:13px;line-height:1.6;color:#333;word-break:break-word;white-space:normal;overflow:visible}.narration-step-text .katex-display{margin:.4em 0;overflow-x:auto;overflow-y:visible}.narration-step-text p{margin:0 0 6px}.narration-step-text p:last-child{margin-bottom:0}.qr-upload-modal-body{display:flex;gap:24px;padding:16px 0;transition:all.3s ease}.qr-upload-modal-body.has-images{flex-direction:row;align-items:flex-start}.qr-upload-modal-body.no-images{flex-direction:column;align-items:center}.qr-upload-modal-body .qr-section{display:flex;flex-direction:column;align-items:center;flex-shrink:0}.qr-upload-modal-body .qr-section .qr-wrapper{position:relative;padding:12px;background:#fff;border:1px solid#f0f0f0;border-radius:12px;box-shadow:0 1px 2px rgba(0,0,0,5%);overflow:hidden}.qr-upload-modal-body .qr-section .qr-wrapper .qr-code-canvas{transition:all.3s ease}.qr-upload-modal-body .qr-section .qr-wrapper.expired .qr-code-canvas{opacity:.1;filter:blur(2px)}.qr-upload-modal-body .qr-section .qr-wrapper.loading .qr-code-canvas{opacity:.5}.qr-upload-modal-body .qr-section .expired-mask{position:absolute;inset:0;z-index:10;display:flex;flex-direction:column;align-items:center;justify-content:center;background:rgba(255,255,255,.6);backdrop-filter:blur(2px)}.qr-upload-modal-body .qr-section .expired-mask .refresh-text{font-size:12px;color:#6b7280;margin-top:8px;font-weight:500}.qr-upload-modal-body .qr-section .qr-tips{margin-top:16px;text-align:center}.qr-upload-modal-body .qr-section .qr-tips .main-tip{font-size:14px;font-weight:500;color:#374151}.qr-upload-modal-body .qr-section .qr-tips .sub-tip{font-size:12px;color:#9ca3af;margin-top:4px}.qr-upload-modal-body .images-section{flex:1;width:100%;display:flex;flex-direction:column;height:240px;animation:fadeIn.3s ease-out forwards}.qr-upload-modal-body .images-section .header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid#f3f4f6}.qr-upload-modal-body .images-section .header .title{font-weight:500;color:#374151;display:flex;align-items:center;gap:8px}.qr-upload-modal-body .images-section .header .title .ant-badge-status-dot{width:8px;height:8px}.qr-upload-modal-body .images-section .header .sync-status{font-size:12px;color:#3b82f6;animation:pulse 2s cubic-bezier(.4,0,.6,1)infinite}.qr-upload-modal-body .images-section .grid-container{flex:1;overflow-y:auto;padding-right:4px}.qr-upload-modal-body .images-section .grid-container::-webkit-scrollbar{width:4px}.qr-upload-modal-body .images-section .grid-container::-webkit-scrollbar-thumb{background-color:#e5e7eb;border-radius:4px}.qr-upload-modal-body .images-section .grid-container .image-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.qr-upload-modal-body .images-section .grid-container .image-card{position:relative;aspect-ratio:1;background:#f9fafb;border-radius:8px;overflow:hidden;border:1px solid#f3f4f6;transition:box-shadow.2s}.qr-upload-modal-body .images-section .grid-container .image-card:hover{box-shadow:0 4px 6px -1px rgba(0,0,0,.1)}.qr-upload-modal-body .images-section .grid-container .image-card:hover .remove-btn{opacity:1}.qr-upload-modal-body .images-section .grid-container .image-card .remove-btn{position:absolute;top:4px;right:4px;opacity:0;transition:opacity.2s;z-index:10;cursor:pointer;background:#fff;border-radius:50%;line-height:1;padding:2px;box-shadow:0 1px 2px rgba(0,0,0,.1)}.qr-upload-modal-body .images-section .grid-container .image-card .remove-btn .close-icon{font-size:18px;color:#ef4444;display:block}.qr-upload-modal-body .images-section .grid-container .image-card .remove-btn:hover{transform:scale(1.1)}.qr-upload-modal-body .images-section .grid-container .image-card .image-preview{width:100%;height:100%;object-fit:cover!important}.qr-upload-modal-body .images-section .grid-container .image-card .ant-image{width:100%;height:100%}.qr-upload-modal-body .images-section .grid-container .image-card .ant-image-img{width:100%;height:100%;object-fit:cover}.qr-upload-modal-body .images-section .grid-container .placeholder-card{display:flex;flex-direction:column;align-items:center;justify-content:center;border:2px dashed#e5e7eb;border-radius:8px;aspect-ratio:1;color:#d1d5db}.qr-upload-modal-body .images-section .grid-container .placeholder-card .placeholder-icon{font-size:24px}.qr-upload-modal-body .images-section .grid-container .placeholder-card .text{font-size:12px;transform:scale(.9);margin-top:4px}@keyframes fadeIn{0%{opacity:0;transform:translatex(10px)}to{opacity:1;transform:translatex(0)}}.image-cropper-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100dvh;background-color:#000;z-index:1000;display:flex;flex-direction:column}.image-cropper-container{display:flex;flex-direction:column;height:100%;width:100%;overflow:hidden}.image-cropper-header{padding:16px;text-align:center;color:#fff;font-size:18px;font-weight:600;background:#000;flex-shrink:0;z-index:10}.image-cropper-body{flex:1;background:#000;position:relative;overflow:hidden;min-height:0;display:flex;flex-direction:column}.image-cropper-body>*{flex:1;min-height:0}.image-cropper-toolbar-wrapper{background:rgba(20,20,20,.9);backdrop-filter:blur(20px);padding-bottom:env(safe-area-inset-bottom);flex-shrink:0;z-index:20}.image-cropper-bottom-bar{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;gap:12px}.rotate-group{display:flex;align-items:center;gap:16px}.tool-btn{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.15);border:none;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:18px;transition:background.2s}.tool-btn:active{background:rgba(255,255,255,.3)}.action-btn{min-width:80px;height:36px;border-radius:18px;font-weight:500;font-size:14px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}.action-btn.cancel{background:rgba(255,255,255,.1);color:#fff;border:none}.action-btn.confirm{background:#1890ff;border:none}.action-btn__icon{display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1}@media(max-width:640px){.image-cropper-header{padding:12px 16px;font-size:15px}.image-cropper-bottom-bar{padding:12px 16px}.rotate-group{gap:12px}.tool-btn,.action-btn{width:40px;min-width:40px;height:40px;padding:0;border-radius:50%}.action-btn{display:inline-flex;align-items:center;justify-content:center}.action-btn .action-btn__label{display:none}}.speech-recording-icon{height:1.2em;width:1.2em;vertical-align:top}.mind-map-container{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:auto;font-family:serif;background-color:#fdfbf7;position:relative}.mind-map-header{position:absolute;top:15px;left:0;width:100%;text-align:center;pointer-events:none;z-index:20}.mind-map-title{font-family:"Times New Roman",Times,serif;font-size:32px;font-weight:700;color:#1a1a1a;margin-bottom:8px;letter-spacing:2px}.mind-map-subtitle{font-family:"Times New Roman",Times,serif;font-size:16px;color:#666;letter-spacing:1px;animation:pulse 2s infinite ease-in-out;position:relative;display:flex;align-items:center;justify-content:center}@keyframes pulse{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.mind-map-svg{min-width:100%;min-height:100%;user-select:none}.mind-map-link{fill:none;stroke:#1a1a1a;stroke-width:2px;stroke-linecap:round}.mind-map-node-group{cursor:pointer}.mind-map-node-rect{fill:#fff;stroke:#1a1a1a;stroke-width:2px}.mind-map-node-rect.is-root{stroke-width:3px}.mind-map-node-wrapper{width:100%;height:100%;display:flex!important;align-items:center;justify-content:center;pointer-events:none}.mind-map-node-label{color:#1a1a1a;font-family:"Times New Roman",Times,serif;font-size:16px;font-weight:500;user-select:none;width:100%;text-align:center;padding:0 8px;box-sizing:border-box;line-height:normal;word-wrap:break-word}.mind-map-node-label.is-root{font-size:22px;font-weight:700}@keyframes onboarding-fade-in{0%{opacity:0}to{opacity:1}}@keyframes onboarding-fade-out{0%{opacity:1}to{opacity:0}}@keyframes onboarding-tooltip-enter{0%{opacity:0;transform:translatey(8px)}to{opacity:1;transform:translatey(0)}}@keyframes onboarding-pulse{0%,to{box-shadow:0 0 0 0 rgba(24,144,255,.4),0 0 0 0 rgba(24,144,255,.1)}50%{box-shadow:0 0 0 6px rgba(24,144,255,0),0 0 0 12px rgba(24,144,255,0)}}@keyframes onboarding-dot-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.3)}}.onboarding-guide-overlay{position:fixed;inset:0;z-index:99999;pointer-events:none}.onboarding-guide-overlay.fade-in{animation:onboarding-fade-in.35s ease-out forwards}.onboarding-guide-overlay.fade-out{animation:onboarding-fade-out.3s ease-out forwards}.onboarding-guide-overlay .onboarding-backdrop{pointer-events:auto;cursor:pointer}.onboarding-guide-overlay .onboarding-spotlight{position:fixed;z-index:10001;border-radius:12px;border:2px solid rgba(24,144,255,.6);animation:onboarding-pulse 2s ease-in-out infinite;pointer-events:none;transition:top.4s cubic-bezier(.4,0,.2,1),left.4s cubic-bezier(.4,0,.2,1),width.4s cubic-bezier(.4,0,.2,1),height.4s cubic-bezier(.4,0,.2,1)}.onboarding-guide-overlay .onboarding-tooltip{position:fixed;z-index:10002;min-width:280px;max-width:360px;background:rgba(255,255,255,.95);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.8);border-radius:16px;padding:20px;box-shadow:0 20px 60px rgba(0,0,0,.2),0 8px 20px rgba(0,0,0,8%),inset 0 1px 0 rgba(255,255,255,.6);pointer-events:auto;animation:onboarding-tooltip-enter.4s cubic-bezier(.34,1.56,.64,1)forwards;transition:top.4s cubic-bezier(.4,0,.2,1),left.4s cubic-bezier(.4,0,.2,1)}.onboarding-guide-overlay .onboarding-tooltip:before{content:"";position:absolute;width:12px;height:12px;background:rgba(255,255,255,.95);border:1px solid rgba(255,255,255,.8);transform:rotate(45deg)}.onboarding-guide-overlay .onboarding-tooltip.placement-bottom:before{top:-7px;left:50%;margin-left:-6px;border-right:none;border-bottom:none}.onboarding-guide-overlay .onboarding-tooltip.placement-top:before{bottom:-7px;left:50%;margin-left:-6px;border-left:none;border-top:none}.onboarding-guide-overlay .onboarding-tooltip.placement-left:before{right:-7px;top:50%;margin-top:-6px;border-left:none;border-bottom:none}.onboarding-guide-overlay .onboarding-tooltip.placement-right:before{left:-7px;top:50%;margin-top:-6px;border-right:none;border-top:none}.onboarding-guide-overlay .onboarding-close-btn{position:absolute;top:12px;right:12px;width:24px;height:24px;border:none;background:rgba(0,0,0,4%);border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#999;font-size:11px;transition:all.2s;padding:0}.onboarding-guide-overlay .onboarding-close-btn:hover{background:rgba(0,0,0,8%);color:#666;transform:scale(1.1)}.onboarding-guide-overlay .onboarding-step-indicator{display:flex;gap:6px;margin-bottom:14px}.onboarding-guide-overlay .onboarding-step-indicator .step-dot{width:6px;height:6px;border-radius:50%;background:#e0e0e0;transition:all.3s ease}.onboarding-guide-overlay .onboarding-step-indicator .step-dot.active{width:20px;border-radius:3px;background:linear-gradient(135deg,#1890ff,#40a9ff);animation:onboarding-dot-pulse 1.5s ease-in-out infinite}.onboarding-guide-overlay .onboarding-step-indicator .step-dot.completed{background:#1890ff}.onboarding-guide-overlay .onboarding-content{margin-bottom:16px}.onboarding-guide-overlay .onboarding-content .onboarding-title{font-size:16px;font-weight:700;color:#1a1a1a;margin:0 0 8px;line-height:1.4;letter-spacing:-.01em}.onboarding-guide-overlay .onboarding-content .onboarding-description{font-size:13px;color:#666;margin:0;line-height:1.6}.onboarding-guide-overlay .onboarding-footer{display:flex;align-items:center;justify-content:space-between}.onboarding-guide-overlay .onboarding-footer .onboarding-progress{font-size:12px;color:#bbb;font-weight:500;font-variant-numeric:tabular-nums}.onboarding-guide-overlay .onboarding-footer .onboarding-actions{display:flex;align-items:center;gap:8px}.onboarding-guide-overlay .onboarding-footer .onboarding-skip-btn{border:none;background:transparent;color:#999;font-size:13px;cursor:pointer;padding:6px 12px;border-radius:8px;transition:all.2s}.onboarding-guide-overlay .onboarding-footer .onboarding-skip-btn:hover{background:rgba(0,0,0,4%);color:#666}.onboarding-guide-overlay .onboarding-footer .onboarding-next-btn{border:none;background:linear-gradient(135deg,#1890ff 0%,#0070f3 100%);color:#fff;font-size:13px;font-weight:600;cursor:pointer;padding:8px 18px;border-radius:10px;display:flex;align-items:center;gap:6px;transition:all.25s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 14px rgba(24,144,255,.35)}.onboarding-guide-overlay .onboarding-footer .onboarding-next-btn:hover{transform:translatey(-1px);box-shadow:0 6px 20px rgba(24,144,255,.45);background:linear-gradient(135deg,#40a9ff 0%,#1890ff 100%)}.onboarding-guide-overlay .onboarding-footer .onboarding-next-btn:active{transform:translatey(0)scale(.97)}.onboarding-guide-overlay .onboarding-footer .onboarding-next-btn .anticon{font-size:11px}
/*# sourceMappingURL=default~data_image_png_base64_iVBORw0KGgoAAAANSUhEUgAAABAAAAAQAQMAAAAlPW0iAAAAA3NCSVQICAjb4U_~2cf185.047a89a108984cd5d4da.css.map*/