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.generated-question{font-size:2.5px}.generated-slide.compact .generated-footer,.generated-slide.compact .figure-reference span{font-size:2px}.trust-strip{text-align:center;border-bottom:1px solid #edf0f4;padding:304px 24px 48px}.trust-strip>p{color:#8a95a6;margin:0 0 24px;font-size:12px}.trust-strip>div{justify-content:center;align-items:center;gap:26px;display:flex}.trust-strip span{color:#53637a;font-size:13px;font-weight:700}.trust-strip span b{color:var(--blue);margin-right:5px;font-size:11px}.trust-strip i{background:#dce2eb;width:44px;height:1px}.workspace-section{background:#f5f7fa;padding:82px max(24px,50vw - 620px) 94px;scroll-margin-top:18px}.workspace-top{justify-content:space-between;align-items:end;gap:20px;margin-bottom:23px;display:flex}.workspace-top .eyebrow{color:#5a9b18}.workspace-top h2{margin:8px 0 5px;font-size:25px}.workspace-top p{color:#8590a2;margin:0;font-size:11px}.workspace-actions{gap:9px;display:flex}.workspace-error{color:#b43c3c;background:#fff2f2;border:1px solid #ffd2d2;border-radius:8px;margin:-10px 0 16px;padding:10px 12px;font-size:11px}.workspace-warning{color:#8d6826;background:#fff9e9;border:1px solid #f4dda7;border-radius:8px;margin:-10px 0 16px;padding:10px 12px;font-size:11px}.ghost-button{color:#56667d;min-height:44px;padding:0 15px;font-size:12px;font-weight:700}.editor-shell{background:#fff;border:1px solid #dfe4ec;border-radius:13px;grid-template-columns:178px minmax(0,1fr) 224px;height:650px;display:grid;overflow:hidden;box-shadow:0 18px 55px #23345114}.slide-rail,.settings-panel{background:#fbfcfe}.slide-rail{border-right:1px solid #e5e9ef;min-width:0}.rail-head,.settings-head{border-bottom:1px solid #e8ebf0;align-items:center;height:49px;padding:0 15px;font-size:12px;font-weight:800;display:flex}.rail-head span{flex:1}.rail-head em{color:#9aa4b3;margin-right:15px;font-size:10px;font-style:normal}.thumb-list{height:calc(100% - 49px);padding:13px 10px;overflow-y:auto}.slide-thumb{cursor:pointer;background:0 0;border:0;border-radius:7px;grid-template-columns:18px 1fr;align-items:start;gap:6px;width:100%;margin-bottom:7px;padding:5px;display:grid}.slide-thumb>span{color:#9ba5b4;padding-top:21px;font-size:9px}.slide-thumb.active{background:#eaf1ff}.slide-thumb.active>span{color:var(--blue);font-weight:800}.thumb-paper{aspect-ratio:16/9;background:#fff;border:1px solid #dce1e9;overflow:hidden;box-shadow:0 2px 7px #2b395214}.slide-thumb.active .thumb-paper{border:2px solid var(--blue)}.thumb-paper img{object-fit:contain;width:100%;height:100%}.canvas-area{background:#eef1f5;flex-direction:column;min-width:0;min-height:0;display:flex;overflow:hidden}.canvas-toolbar{background:#fff;border-bottom:1px solid #dde2e9;flex:0 0 49px;justify-content:space-between;align-items:center;height:49px;padding:0 12px;display:flex}.mode-switch,.segmented{background:#f0f2f6;border-radius:8px;padding:3px;display:inline-flex}.mode-switch button,.segmented button{cursor:pointer;color:#778397;background:0 0;border:0;border-radius:6px;font-size:10px;font-weight:700}.mode-switch button{align-items:center;gap:5px;height:30px;padding:0 11px;display:flex}.mode-switch button.selected,.segmented button.selected{color:var(--blue);background:#fff;box-shadow:0 1px 5px #3445621f}.icon-button{color:#7c899d;width:32px;height:32px}.canvas-stage{background:radial-gradient(circle,#ffffffb3,#0000 65%),#eef1f5;flex:1;place-items:center;min-height:0;padding:24px;display:grid;overflow:hidden}.canvas-slide{width:var(--preview-width,720px);height:var(--preview-height,405px);aspect-ratio:16/9;contain:layout paint;background:#fff;flex:none;max-width:100%;max-height:100%;position:relative;overflow:hidden;box-shadow:0 14px 35px #22334e2e}.canvas-slide>.generated-slide,.canvas-slide>.demo-slide{width:100%;height:100%;position:absolute;inset:0}.canvas-slide:fullscreen{aspect-ratio:auto;background:#1d2430;place-items:center;width:100vw;height:100vh;padding:min(4vh,30px);display:grid}.canvas-slide:fullscreen>.generated-slide{aspect-ratio:16/9;width:min(100%,177.78vh);height:auto}.canvas-slide:fullscreen>img{aspect-ratio:16/9;width:min(100%,177.78vh);height:auto}.canvas-slide:fullscreen>.demo-slide{aspect-ratio:16/9;width:min(100%,177.78vh);height:auto}.canvas-stage.teach .canvas-slide{border:0;padding:0}.canvas-slide>img{object-fit:contain;width:100%;height:100%;display:block}.live-page-number{display:none}.canvas-stage.teach .live-page-number{background:#ffffffd1;padding:2px 4px;display:block}.canvas-status{color:#909aaa;background:#fff;border-top:1px solid #e0e4eb;flex:0 0 32px;justify-content:space-between;align-items:center;height:32px;padding:0 14px;font-size:9px;display:flex}.status-dot{background:var(--green);border-radius:50%;width:5px;height:5px;margin-right:5px;display:inline-block}.settings-panel{border-left:1px solid #e5e9ef;min-height:0;overflow-y:auto}.settings-head{z-index:2;background:#fbfcfe;gap:7px;position:sticky;top:0}.setting-live-summary{color:#4f6590;background:#f0f5ff;border-bottom:1px solid #e6ecf5;padding:9px 15px;font-size:8px;line-height:1.5}.setting-block{border-bottom:1px solid #edf0f4;padding:15px}.setting-block>label:not(.check-row){color:#66758a;margin-bottom:9px;font-size:10px;font-weight:800;display:block}.question-text-editor strong,.question-text-editor small{display:block}.question-text-editor strong{color:#31425b;margin-bottom:6px;font-size:9px}.question-text-editor textarea{resize:vertical;color:#26354a;background:#fff;border:1px solid #d8e0ec;border-radius:7px;outline:0;width:100%;min-height:96px;padding:8px;font:9px/1.6 Microsoft YaHei,sans-serif}.question-text-editor textarea:focus{border-color:var(--blue);box-shadow:0 0 0 2px #356df31a}.question-text-editor small{color:#8996a8;margin-top:5px;font-size:7px;line-height:1.5}.select-question-hint{color:#5572ad;cursor:pointer;background:#f4f7ff;border:1px dashed #b9caee;border-radius:7px;width:100%;padding:9px;font-size:8px;line-height:1.55}.generated-question.is-editable{cursor:text;border-radius:4px;transition:background .16s,box-shadow .16s}.generated-question.is-editable:hover,.generated-question.is-editable:focus,.generated-question.is-selected{background:#356df312;outline:0;box-shadow:0 0 0 2px #356df333}.select-wrap{background:#fff;border:1px solid #dfe4ec;border-radius:7px;align-items:center;gap:7px;width:100%;height:38px;padding:0 9px;display:flex;position:relative}.select-button{appearance:none;color:#526177;cursor:pointer;background:0 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span{align-items:center;gap:7px;display:flex}.check-row b{color:#0000;background:#fff;border:1px solid #cbd3df;border-radius:4px;place-items:center;width:16px;height:16px;display:grid}.check-row b.checked{border-color:var(--blue);background:var(--blue);color:#fff}.tip-card{color:var(--blue);background:#edf4ff;border-radius:8px;gap:8px;margin:15px;padding:11px;display:flex}.tip-card p{color:#647692;margin:0;font-size:9px;line-height:1.6}.tip-card b{color:#3c5c91;margin-bottom:2px;display:block}.how-section{padding:108px max(24px,50vw - 525px)}.section-heading{text-align:center}.section-heading .eyebrow{margin:0 auto;display:flex}.section-heading h2,.faq-section h2{margin:12px 0 10px;font-family:SimSun,Songti SC,serif;font-size:34px}.section-heading p{color:#8290a4;margin:0;font-size:13px}.how-grid{grid-template-columns:repeat(3,1fr);gap:22px;margin-top:46px;display:grid}.how-grid article{background:#fff;border:1px solid #e5e9ef;border-radius:14px;min-height:240px;padding:30px;position:relative;overflow:hidden}.how-number{color:#edf0f5;font-family:Georgia,serif;font-size:48px;font-weight:700;position:absolute;top:15px;right:20px}.how-icon{border-radius:12px;place-items:center;width:45px;height:45px;display:grid}.how-icon.blue{color:var(--blue);background:#edf3ff}.how-icon.red{color:var(--red);background:#fff0f0}.how-icon.green{color:#68a825;background:#f1f8e9}.how-grid h3{margin:24px 0 10px;font-size:17px}.how-grid p{color:#7d899b;margin:0;font-size:12px;line-height:1.8}.faq-section{background:var(--ink);color:#fff;border-radius:16px;grid-template-columns:.9fr 1.1fr;align-items:center;gap:70px;margin:0 max(24px,50vw - 525px) 100px;padding:52px 58px;display:grid}.faq-section .eyebrow{color:#7fa4ff}.faq-section h2{margin-bottom:0;font-size:30px}.faq-section>p{color:#c4cedd;margin:0;font-size:12px;line-height:2}footer{border-top:1px solid #edf0f4;align-items:center;gap:28px;min-height:112px;padding:0 max(24px,50vw - 590px);display:flex}footer p{color:#8792a3;flex:1;font-size:12px}footer>span{color:#a5adba;font-size:10px}.spin{animation:1s linear infinite rotate}@keyframes rotate{to{transform:rotate(360deg)}}@media (width<=980px){.site-header nav{display:none}.hero{grid-template-columns:1fr;grid-template-areas:"copy""action""preview";gap:42px;padding-top:52px}.hero-copy{text-align:center}.hero-tag,.hero-copy>p{margin-left:auto;margin-right:auto}.hero-points{justify-content:center}.hero-action{width:min(580px,100%);margin:0 auto}.hero-preview{width:min(760px,92vw)}.editor-shell{grid-template-columns:140px minmax(0,1fr)}.settings-panel{display:none}.faq-section{grid-template-columns:1fr;gap:20px}}@media (width<=680px){.site-header{width:calc(100% - 32px)}.header-help{aspect-ratio:1;width:38px;padding:0;font-size:0}.hero{padding-left:16px;padding-right:16px}.hero h1{letter-spacing:-2px;font-size:40px}.hero-copy>p{font-size:15px}.upload-zone{padding:32px 20px 24px}.engine-choice,.upload-file-grid{grid-template-columns:1fr}.hero-preview{margin-bottom:-170px}.trust-strip{padding-top:210px}.trust-strip>div{gap:10px}.trust-strip i{width:14px}.trust-strip span{font-size:10px}.workspace-top{flex-direction:column;align-items:stretch}.workspace-actions{width:100%}.workspace-actions button{flex:1}.editor-shell{grid-template-columns:1fr;height:520px}.slide-rail{display:none}.mode-switch button{padding:0 7px}.how-section{padding-top:78px}.how-grid{grid-template-columns:1fr}.faq-section{padding:36px 28px}footer{flex-wrap:wrap;justify-content:center;padding-top:28px;padding-bottom:28px}footer p{text-align:center;flex-basis:100%;margin:0}}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}