*{margin:0;-webkit-tap-highlight-color:transparent}html,body{-webkit-user-select:none;-moz-user-select:none;user-select:none;width:100%;height:100%}body{overflow-x:hidden;font-size:16px}uni-app,uni-page,uni-page-wrapper,uni-page-body{display:block;box-sizing:border-box;width:100%}uni-page-wrapper{position:relative}#app,uni-app,uni-page,uni-page-wrapper{height:100%}.uni-mask{position:fixed;z-index:999;top:0;right:0;left:0;bottom:0;background:rgba(0,0,0,.5)}.uni-fade-enter-active,.uni-fade-leave-active{transition-duration:.25s;transition-property:opacity;transition-timing-function:ease}.uni-fade-enter-from,.uni-fade-leave-active{opacity:0}.uni-loading,uni-button[loading]:before{background-color:transparent;background-image:url(data:image/svg+xml;base64,\ 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);background-repeat:no-repeat}.uni-loading{width:20px;height:20px;display:inline-block;vertical-align:middle;animation:uni-loading 1s steps(12,end) infinite;background-size:100%}@keyframes uni-loading{0%{transform:rotate3d(0,0,1,0)}to{transform:rotate3d(0,0,1,360deg)}}html{--primary-color: #007aff;--UI-BG: #fff;--UI-BG-1: #f7f7f7;--UI-BG-2: #fff;--UI-BG-3: #f7f7f7;--UI-BG-4: #4c4c4c;--UI-BG-5: #fff;--UI-FG: #000;--UI-FG-0: rgba(0, 0, 0, .9);--UI-FG-HALF: rgba(0, 0, 0, .9);--UI-FG-1: rgba(0, 0, 0, .5);--UI-FG-2: rgba(0, 0, 0, .3);--UI-FG-3: rgba(0, 0, 0, .1)}uni-page[data-type] uni-page-body{background-color:transparent}body:after{position:fixed;content:"";left:-1000px;top:-1000px;animation:shadow-preload .1s;animation-delay:3s}@keyframes shadow-preload{0%{background-image:url(https://cdn.dcloud.net.cn/img/shadow-grey.png)}to{background-image:url(https://cdn.dcloud.net.cn/img/shadow-grey.png)}}.uni-async-error{position:absolute;left:0;right:0;top:0;bottom:0;color:#999;padding:100px 10px;text-align:center}.uni-async-loading{box-sizing:border-box;width:100%;padding:50px;text-align:center}.uni-async-loading .uni-loading{width:30px;height:30px}uni-page-body{height:100%;background:#f7f8f2;color:#31423a;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;font-size:15px;line-height:1.65}body{background:#f7f8f2}.composer-error{display:block;color:#9a663d;font-size:12px;margin:0 0 10px;line-height:1.65}uni-view,uni-text,uni-button,uni-input,uni-textarea,uni-scroll-view,uni-image{box-sizing:border-box}.q-button{margin:0;padding:0;border:0;border-radius:0;font:inherit;line-height:inherit;color:inherit;background:transparent;text-align:left;cursor:pointer}.q-button:after{border:0}.q-button[disabled]{opacity:.45}.q-button:focus-visible,uni-input:focus-visible,uni-textarea:focus-visible{outline:2px solid #698655;outline-offset:3px}uni-text{overflow-wrap:anywhere}uni-input,uni-textarea{font:inherit;color:inherit}uni-image{max-width:100%}.app-shell{height:100vh;height:100dvh;display:flex;flex-direction:column;background:#f7f8f2;position:relative;overflow:hidden;padding-top:env(safe-area-inset-top)}.topbar{height:84px;flex-shrink:0;display:flex;align-items:center;padding:0 36px;border-bottom:1px solid #e8ebe2;background:#f7f8f2;z-index:20}.icon-button{width:40px;height:40px;border-radius:12px;text-align:center;font-size:34px;line-height:38px;flex-shrink:0}.icon-button:hover{background:#e9eee0}.menu-toggle{padding:12px 10px;display:flex;flex-direction:column;justify-content:space-between;width:40px;height:38px}.menu-line{height:2px;width:18px;background:#53634e;border-radius:1px}.brand{display:flex;align-items:center;margin-left:16px;flex:1}.header-logo{margin-right:10px}.brand-name{display:block;font-size:18px;line-height:1.35;font-weight:650;letter-spacing:1px}.brand-sub{display:block;font-size:11px;color:#8b9586;letter-spacing:1px;margin-top:3px}.new-button{font-size:13px;padding:8px 15px;border:1px solid #dbe2d3;border-radius:20px;color:#607450;background:#fffefa;flex-shrink:0}.new-button uni-text{margin-right:3px}.menu-mask{position:absolute;top:84px;right:0;bottom:0;left:0;z-index:30;background:rgba(40,52,32,.08)}.dropdown{position:absolute;top:72px;left:35px;z-index:31;width:214px;background:#fffefa;border:1px solid #e1e7d8;box-shadow:0 12px 36px rgba(49,75,37,.094);border-radius:16px;padding:8px}.dropdown uni-button{display:flex;justify-content:space-between;padding:12px 14px;border-radius:10px;width:100%;font-size:14px}.dropdown uni-button:hover{background:#f0f3e9}.chat-scroll,.workspace-scroll{height:0;min-height:0;flex:1;width:100%}.conversation{max-width:820px;margin:0 auto;padding:32px 28px 12px}.conversation-end{height:24px}.welcome{max-width:600px;margin:5vh auto 0;text-align:center;padding:32px 0}.welcome-illustration{height:164px;max-width:260px;margin:0 auto 26px;display:flex;align-items:center;justify-content:center}.welcome-eyebrow,.eyebrow{display:block;color:#8f9c83;font-size:12px;letter-spacing:2px;margin-bottom:11px}.welcome-title{display:block;font-size:32px;font-weight:650;letter-spacing:1px;color:#3e583a;line-height:1.5}.welcome-copy{display:block;line-height:1.9;color:#8b9684;font-size:14px;margin:14px 0 24px}.example-entry{display:inline-flex;padding:11px 21px;background:#fffefa;border:1px solid #d8e2cc;border-radius:25px;color:#61794e;font-size:13px;align-items:center}.example-entry uni-text{margin-left:18px}.welcome-features{margin-top:34px;display:flex;justify-content:center;color:#929c89;font-size:12px}.welcome-features uni-text{padding:0 19px;border-right:1px solid #dce3d3}.welcome-features uni-text:last-child{border:0}.topic-card{background:#fffefa;border:1px solid #e0e6d6;border-radius:22px;padding:22px 24px;box-shadow:0 5px 18px rgba(95,115,70,.03);margin-bottom:28px}.row-between{display:flex;justify-content:space-between;align-items:center;gap:12px}.topic-meta{display:flex;align-items:center;gap:10px}.tiny-label{font-size:11px;color:#8d987f;letter-spacing:1px}.example-tag{display:inline-block;font-size:10px;color:#9b8b59;background:#f5f0df;padding:2px 8px;border-radius:6px;white-space:nowrap}.grade-tag{display:inline-block;font-size:11px;color:#7c8c6c;background:#eef2e6;padding:3px 10px;border-radius:7px;white-space:nowrap}.question-text{display:block;font-size:18px;font-weight:550;color:#3e5037;line-height:1.85;margin-top:13px}.topic-actions{display:flex;justify-content:space-between;align-items:center;margin-top:19px;border-top:1px solid #edf0e7;padding-top:13px;gap:8px}.topic-actions uni-button{font-size:12px;color:#6e864f}.topic-actions .muted{font-size:10px}.saved-photo{margin-top:16px;max-width:440px}.saved-photo uni-image{width:100%;border-radius:12px}.message{margin-bottom:22px}.message.user{display:flex;justify-content:flex-end}.user-bubble{max-width:86%;padding:12px 18px;background:#e9efde;border-radius:18px 18px 5px;color:#526747;font-size:14px}.assistant-label>.assistant-logo.qicaibei-logo{width:26px;height:26px}.assistant-label{display:flex;align-items:center;gap:8px;font-size:12px;color:#718263;margin-bottom:11px}.message-source{font-size:10px;color:#a3ab98;margin-left:4px}.assistant-bubble{font-size:14px;color:#65715c;margin:10px 0 15px;line-height:1.9;white-space:pre-wrap}.assistant-bubble.foundation{padding:18px 20px;border:1px solid #e8dfc7;background:#faf6e9;border-radius:16px;color:#80724c}.method-tabs{display:flex;gap:9px;margin-bottom:16px;flex-wrap:wrap}.method-tab{display:flex;align-items:center;font-size:12px;color:#8b967f;border:1px solid #e2e7d9;border-radius:11px;padding:8px 12px;background:#fcfcf8}.method-tab.active{background:#edf3e2;border-color:#c4d4ae;color:#526e3b}.recommend{font-size:9px;line-height:1.5;margin-left:7px;border-radius:4px;padding:1px 4px;background:#dae7c7;color:#7a905d}.idea-card{padding:18px 21px;border-left:3px solid #b4c594;border-radius:0 13px 13px 0;background:#eef2e4}.small-label{display:block;font-size:10px;letter-spacing:1px;color:#8e9b7a;margin-bottom:5px}.idea-text{font-size:14px;color:#647a4f;line-height:1.9}.steps-heading{display:flex;justify-content:space-between;align-items:center;margin:22px 0 11px;font-size:12px;color:#697e54}.muted{font-size:12px;color:#929d89}.steps-heading .muted{font-size:10px}.step-card{margin-bottom:11px;border:1px solid #e2e7db;background:#fffefa;border-radius:15px;overflow:hidden}.step-card.understood{border-color:#c4d5ae}.step-main{width:100%;display:flex;align-items:flex-start;gap:14px;padding:17px 18px}.step-number{display:block;background:#edf2e5;color:#82966b;border-radius:8px;width:27px;height:27px;line-height:27px;text-align:center;flex-shrink:0;font-size:12px;margin-top:2px}.step-summary{flex:1;min-width:0}.step-title{display:block;color:#627552;font-size:13px;line-height:1.8}.formula{display:block;font-family:Georgia,Microsoft YaHei,serif;font-size:18px;line-height:1.8;color:#536d42;margin-top:5px}.step-chevron{font-size:20px;color:#9bab86;padding:0 3px}.step-detail{padding:0 20px 15px 60px;color:#8a947f;font-size:12px;line-height:1.95}.feedback-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.feedback-actions uni-button{font-size:10px;color:#8b977c;padding:5px 9px;border:1px solid #e2e8d9;border-radius:7px;background:#fafbf5}.understand-button{display:block;text-align:right;width:100%;padding:8px 18px;border-top:1px solid #f1f3ec;font-size:10px;color:#95a286;background:#fcfdf9}.understood .understand-button{color:#6c8752;background:#f1f5e9}.answer-card{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 19px;background:#edf3e3;border-radius:13px;margin-top:18px}.answer-card .small-label{margin:0}.answer-text{font-size:15px;color:#587540;font-weight:600}.practice-button{width:100%;margin-top:14px;border:1px dashed #d2ddc1;border-radius:12px;color:#7b8e63;background:#fafcf5;padding:12px 18px;display:flex;justify-content:space-between;font-size:12px}.inline-action{font-size:12px;color:#8e8056;padding:9px 13px;border-radius:9px;background:#f6f0dd;display:inline-block}.inline-action uni-text{margin-left:12px}.graphic{background:#f4f6ed;border-radius:14px;padding:16px;margin-top:14px;font-size:11px;color:#88967a}.group-grid{display:flex;gap:10px;flex-wrap:wrap}.dot-group{padding:10px;min-width:80px;max-width:150px;flex:1;background:#fffefa;border:1px solid #e0e7d6;border-radius:10px;text-align:center}.group-label,.group-count{display:block;font-size:10px}.dots{display:flex;flex-wrap:wrap;justify-content:center;gap:5px;margin:10px 0;min-height:10px}.dot{width:9px;height:9px;background:#a4bb87;border-radius:50%}.fraction-bar{display:flex;margin:11px 0;height:31px;border-radius:6px;overflow:hidden;border:1px solid #cfdbbd}.fraction-part{flex:1;background:#fdfef8;border-right:1px solid #c6d4b1}.fraction-part.filled{background:#b6c99d}.fraction-part:last-child{border:0}.half-bar{display:flex;height:28px;border:1px solid #d0ddbb;border-radius:7px;overflow:hidden;margin:12px 0}.half-bar uni-view{width:50%;background:#e7eddd}.half-bar uni-view:first-child{background:#b7cba0;border-right:1px dashed #7d9b5d}.practice-tools{display:flex;gap:12px;margin:25px 0}.practice-tools uni-button{font-size:12px;color:#7a8e61;padding:9px 14px;border-radius:11px;border:1px solid #dce5cf;background:#fffefa}.save-status{text-align:center;font-size:10px;color:#a6ad9b;margin:16px 0}.composer-wrap{flex-shrink:0;width:100%;max-width:820px;margin:0 auto;padding:8px 28px max(14px,env(safe-area-inset-bottom));background:#f7f8f2}.composer{background:#fffefa;border:1px solid #d9e2ce;border-radius:21px;padding:13px 17px 10px;box-shadow:0 -1px 24px rgba(110,131,88,.03)}.composer-context{font-size:10px;color:#97a486;margin-bottom:6px}.chat-textarea{width:100%;min-height:42px;max-height:128px;font-size:14px;line-height:1.7;padding:3px 0 9px;background:transparent}.chat-textarea:focus-visible{outline:none}.composer-toolbar{display:flex;align-items:center;gap:9px}.tool-picker{font-size:11px;color:#8b987d;padding:5px 8px;border:1px solid #e3e8da;border-radius:8px;display:flex;align-items:center;white-space:nowrap}.model-picker{max-width:180px}.picker-dot{width:5px;height:5px;background:#a0b881;border-radius:50%;margin-right:6px}.down{font-size:12px;margin-left:8px;color:#a1ad95}.toolbar-spacer{flex:1}.photo-button{padding:7px 5px;margin-right:1px}.camera-icon{width:18px;height:14px;border:1.5px solid #9caa8c;border-radius:3px;position:relative}.camera-icon:before{content:"";position:absolute;top:-4px;left:4px;width:8px;height:3px;border:1.5px solid #9caa8c;border-bottom:0;border-radius:2px 2px 0 0}.camera-icon uni-view{width:6px;height:6px;border:1px solid #9caa8c;border-radius:50%;margin:3px auto}.send-button{padding:7px 14px;background:#688650;color:#fffefa;border-radius:11px;font-size:12px;white-space:nowrap}.send-button[disabled]{background:#d9e2cd;color:#fffefa;opacity:.8}.composer-note{display:block;text-align:center;color:#abb2a2;font-size:9px;margin-top:8px;letter-spacing:.5px}.photo-draft{display:flex;align-items:center;gap:12px;font-size:10px;color:#9da88f;margin-bottom:10px}.photo-draft uni-image{width:64px;height:64px;border-radius:10px}.photo-draft uni-button{font-size:18px;padding:8px}.error-banner{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 18px;background:#fbf1df;border:1px solid #e8d9b8;border-radius:12px;color:#947f52;font-size:12px;margin:12px 24px;flex-shrink:0}.error-banner uni-button{font-size:11px;text-decoration:underline;white-space:nowrap}.loading-state{padding:46px 12px;text-align:center;color:#96a087;font-size:13px}.loading-dot{width:10px;height:10px;border-radius:50%;background:#b8c8a0;display:inline-block;margin-right:10px}.workspace-content{max-width:1040px;margin:0 auto;padding:38px 32px 70px}.workspace-content.narrow{max-width:820px}.workspace-title{margin:6px 0 28px}.page-title{font-size:30px;line-height:1.5;font-weight:650;color:#4b663e;display:block;margin-bottom:7px}.search-bar{display:flex;gap:14px;margin-bottom:26px;align-items:center}.search-bar uni-input{flex:1;width:0;min-width:0;height:45px;border:1px solid #dde5d2;background:#fffefa;border-radius:13px;padding:0 16px;font-size:13px}.filter-picker{border:1px solid #dde5d2;border-radius:12px;background:#fffefa;color:#8b9c76;padding:10px 14px;font-size:12px}.topic-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.collection-card{display:flex;flex-direction:column;width:100%;padding:23px;background:#fffefa;border:1px solid #e1e8d6;border-radius:20px;box-shadow:0 5px 18px rgba(95,115,70,.024)}.collection-question{font-size:16px;line-height:1.9;color:#5b7049;font-weight:500;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:17px 0 18px;min-height:85px}.collection-detail{display:flex;gap:13px;font-size:10px;color:#9aa68a;margin-bottom:15px}.collection-footer{display:flex;justify-content:space-between;font-size:10px;color:#b2b9a7;width:100%;border-top:1px solid #eff2e8;padding-top:13px;margin-top:auto}.continue-label{color:#889f6d}.load-more{display:block;margin:28px auto 0;font-size:12px;color:#8a9c73;padding:10px 18px;border:1px solid #dce5ce;border-radius:20px;background:#fffefa}.empty-state{text-align:center;padding:65px 10px}.empty-title{display:block;font-size:19px;color:#788c65;margin-bottom:9px}.primary-button{display:inline-block;padding:10px 20px;font-size:12px;background:#6d8c53;color:#fffefa;border-radius:12px;margin-top:25px}.origin-summary{padding:20px 23px;border:1px solid #dee6d0;border-radius:17px;background:#eef3e4;color:#7e906c;font-size:14px;margin-bottom:24px}.origin-summary uni-button{display:block;font-size:11px;color:#95a47f;margin-top:12px}.practice-card{padding:23px 25px;background:#fffefa;border:1px solid #e0e8d4;border-radius:20px;margin-bottom:17px}.practice-number{font-size:11px;color:#91a17c;letter-spacing:1px}.practice-status{font-size:10px;color:#b2a580;background:#f8f3e6;border-radius:7px;padding:3px 9px}.practice-status.correct{background:#edf4df;color:#8caa65}.practice-question{display:block;font-size:17px;line-height:1.9;color:#60784c;margin:18px 0 23px}.small-primary{font-size:11px;padding:7px 12px;color:#6c8950;border:1px solid #d6e3c5;background:#f4f8eb;border-radius:10px}@media (max-width:600px){.topbar{height:72px;padding:0 17px}.brand{margin-left:8px}.brand-name{font-size:16px}.brand-sub{font-size:9px;letter-spacing:.5px}.new-button{padding:7px 10px;font-size:11px}.menu-mask{top:72px}.dropdown{top:64px;left:17px}.conversation{padding:22px 17px 8px}.welcome{margin:2vh auto 0;padding:21px 0}.welcome-title{font-size:25px}.welcome-eyebrow{font-size:10px}.welcome-copy{font-size:12px}.welcome-illustration{height:142px;margin-bottom:18px}.welcome-illustration .welcome-logo.qicaibei-logo{width:145px;height:142px}.welcome-features{margin-top:25px;font-size:10px}.welcome-features uni-text{padding:0 14px}.topic-card{padding:18px;border-radius:18px;margin-bottom:23px}.question-text{font-size:16px}.topic-meta{gap:7px}.tiny-label{font-size:10px}.grade-tag{font-size:10px;padding:3px 8px}.example-tag{font-size:9px;padding:2px 6px}.topic-actions{margin-top:15px;padding-top:11px}.topic-actions .muted{font-size:9px}.composer-wrap{padding:7px 12px max(10px,env(safe-area-inset-bottom))}.composer{padding:12px 13px 10px;border-radius:18px}.composer-toolbar{gap:6px}.tool-picker{font-size:10px;padding:5px 7px}.model-picker{max-width:155px}.down{margin-left:5px}.send-button{padding:7px 12px;font-size:11px}.composer-note{font-size:8px}.chat-textarea{font-size:13px;min-height:42px}.composer-context{font-size:9px}.method-tab{font-size:11px;padding:7px 10px}.idea-card{padding:15px 16px}.idea-text{font-size:13px}.step-main{gap:11px;padding:15px}.step-title{font-size:12px}.formula{font-size:17px}.step-detail{padding:0 16px 13px 53px;font-size:11px}.feedback-actions{gap:7px}.feedback-actions uni-button{font-size:9px;padding:5px 7px}.answer-text{font-size:14px}.workspace-content{padding:27px 18px 50px}.page-title{font-size:27px}.eyebrow{font-size:10px}.workspace-title>.muted{font-size:11px}.search-bar{gap:10px;margin-bottom:21px}.filter-picker{font-size:10px;padding:10px}.topic-grid{grid-template-columns:1fr;gap:15px}.collection-card{padding:20px;border-radius:18px}.collection-question{font-size:15px;min-height:0;margin:14px 0 15px}.practice-card{padding:20px}.practice-question{font-size:16px}.row-between .muted{font-size:10px}.error-banner{margin:10px 15px;font-size:11px}.origin-summary{padding:17px;font-size:13px}}@media (max-width:350px){.brand-sub{display:none}.tool-picker{font-size:9px;padding:5px}.model-picker{max-width:127px}.picker-dot{display:none}.send-button{padding:7px 10px}.composer-toolbar{gap:5px}.topic-meta{gap:4px}.topic-actions .muted{max-width:120px;text-align:right}.welcome-title{font-size:23px}}.ai-history-note{display:block;margin:12px 0 8px;padding:10px 14px;border-left:3px solid #9eaa94;background:#eef0e7;color:#5b685a;font-size:13px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}