*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:#f7f8fa;color:#1a1d25;font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Segoe UI",sans-serif}button,input,select,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{cursor:pointer;color:inherit}button:disabled{opacity:.38;cursor:not-allowed}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #5778ff;outline-offset:4px}button{border:0}h1,h2,h3,p{margin:0}.topbar{height:82px;display:flex;align-items:center;gap:48px;max-width:1440px;margin:auto;padding:0 52px;border-bottom:1px solid #e6e8ee}.brand{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:750;letter-spacing:-.7px}.topbar nav{display:flex;gap:28px}.nav-item{font-size:13px;color:#9196a3;background:none;padding:29px 0;position:relative}.nav-item.active{color:#252b38}.nav-item.active:after{content:"";position:absolute;height:2px;bottom:0;left:0;right:0;background:#4465ed}.header-actions{margin-left:auto;display:flex;align-items:center;gap:26px}.privacy-badge{display:flex;align-items:center;gap:7px;font-size:11px;color:#7d8491}.privacy-badge>span{width:6px;height:6px;border-radius:50%;background:#7ba986}.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;border-radius:9px;padding:12px 20px;font-size:13px;font-weight:550;transition:background .2s,transform .2s}.primary{background:#4665ed;color:white;box-shadow:0 4px 10px #4665ed15}.primary:hover:not(:disabled){background:#3858de;transform:translateY(-1px)}.secondary{background:#f6f7fa;color:#545e73;border:1px solid #e2e5ed}.compact{padding:10px 17px;font-size:12px}.full-width{width:100%}main{max-width:1440px;margin:auto;padding:0 52px}.workspace-heading{display:flex;align-items:flex-end;justify-content:space-between;padding:44px 0 28px}.eyebrow{font:9px/1.5 ui-monospace,SFMono-Regular,monospace;letter-spacing:1.7px;color:#8f96a7}h1{font-size:35px;font-weight:600;letter-spacing:-1.4px;line-height:1.45;margin:10px 0 6px}h1>span{color:#6e83ea}.heading-note{font-size:12px;color:#8a91a0}.flow{display:flex;align-items:center;gap:12px;font-size:10px;color:#a0a6b2;padding-bottom:5px}.flow .current{color:#5b6c9f}.flow i{width:27px;height:1px;background:#d8dde8}.editor{display:grid;grid-template-columns:minmax(0,1fr) 298px;background:#fff;border:1px solid #e1e5ed;border-radius:17px;overflow:hidden;box-shadow:0 15px 40px #222c4906}.canvas-area{min-width:0;background:#14171d;color:#d1d7e2}.canvas-toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;height:53px;border-bottom:1px solid #ffffff0b;padding:0 22px}.project-name{display:flex;align-items:center;gap:10px;font-size:11px;min-width:0}.project-name #fileLabel{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:260px}.file-symbol{font-size:15px;color:#828b9f}.file-tag{font:9px ui-monospace,monospace;color:#939bac;background:#232833;border-radius:4px;padding:3px 5px}.replace-file{font-size:10px;color:#9da8c0;cursor:pointer}.replace-file input{position:absolute;opacity:0;width:1px;height:1px}.preview-surface{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:414px;padding:25px 35px 16px;background:radial-gradient(ellipse at 50% 40%,#323947 0%,#202530 48%,#191d25 100%);overflow:hidden}.preview-surface.drag{box-shadow:inset 0 0 0 2px #7490ff}.canvas-guides{position:absolute;inset:20px 22px;display:flex;justify-content:space-between;color:#454c5c;pointer-events:none;font:14px ui-monospace,monospace}.canvas-guides span:nth-child(2){align-self:flex-end}.canvas-guides span:nth-child(3){position:absolute;left:0;bottom:0}.canvas-guides span:nth-child(4){position:absolute;right:0;top:0}.preview{position:relative;display:block;aspect-ratio:1;width:min(100%,330px);padding:0;flex-shrink:0;border-radius:13px;background:#0d1016;box-shadow:0 18px 48px #0006;isolation:isolate;overflow:hidden;user-select:none;touch-action:none;color:white}.preview:disabled{opacity:1}.preview video,.preview>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}.preview>img[hidden]{display:none}.preview video{display:none;z-index:1}.preview.is-playing video{display:block}.preview.is-playing>img{visibility:hidden}.live-badge{position:absolute;top:14px;left:14px;background:#161b2860;backdrop-filter:blur(10px);border:1px solid #ffffff24;border-radius:20px;padding:4px 8px;font:9px ui-monospace,monospace;letter-spacing:1.2px;z-index:3}.live-badge>span{color:#d8e2ff}.hold-hint{position:absolute;bottom:15px;left:50%;transform:translateX(-50%);background:#1118278a;backdrop-filter:blur(8px);border:1px solid #ffffff20;border-radius:20px;padding:6px 10px;color:#f3f6fd;font-size:9px;white-space:nowrap;z-index:3}.hold-hint span{color:#dbe7ff;margin-right:3px}.hold-hint[hidden],.preview.is-playing .hold-hint{display:none}#emptyPreview{display:flex;flex-direction:column;justify-content:center;align-items:center;padding:20px;color:#c1cadc}#emptyPreview[hidden]{display:none}.empty-glyph{font-size:44px;line-height:1.5;color:#7a8fc8}#emptyPreview strong{font-size:16px;font-weight:450;margin-top:10px}#emptyPreview small{font-size:10px;color:#707d98;margin-top:8px}.canvas-caption{display:flex;justify-content:space-between;width:100%;margin-top:19px;font-size:9px;color:#717b90}.canvas-local{font:8px ui-monospace,monospace;letter-spacing:1.3px}.transport{display:flex;align-items:center;gap:13px;height:50px;border-top:1px solid #ffffff0b;border-bottom:1px solid #ffffff0b;padding:0 22px}.play-button{width:27px;height:27px;border-radius:50%;background:#eef2ff;color:#333b51;font-size:14px;display:flex;align-items:center;justify-content:center}.transport #clipBadge{font:10px ui-monospace,monospace;color:#b9c3d8}.transport-divider{height:10px;width:1px;background:#343b48}.transport-hint{font-size:9px;color:#68738a}.sound-button{margin-left:auto;background:transparent;color:#9aa6bd;font-size:9px}.timeline-panel{padding:19px 22px 17px}.timeline-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.timeline-heading strong{font-size:11px;font-weight:500;color:#b5bfd2}.timeline-heading small{display:block;font-size:9px;color:#5f6c84;margin-top:2px}.timeline-key{display:flex;align-items:center;font-size:8px;color:#8390a9;gap:5px}.timeline-key i{width:7px;height:7px;border:1px solid #8fa6ff;margin-left:7px}.timeline-key b{width:2px;height:8px;background:#e9aa73;margin-left:7px}.filmstrip-wrap{height:57px;position:relative;border-radius:6px;background:#232a37;overflow:visible}.filmstrip{display:flex;height:100%;border-radius:5px;overflow:hidden;gap:1px}.filmstrip button{padding:0;background:#2c3547;flex:1;min-width:0;position:relative;overflow:hidden}.filmstrip button img{width:100%;height:100%;object-fit:cover;display:block;opacity:.75}.filmstrip button:hover img{opacity:1}.empty-filmstrip{display:flex;align-items:center;justify-content:center;width:100%;font-size:10px;color:#5f6d85}.selection-window{position:absolute;top:-2px;bottom:-2px;border:2px solid #839df8;border-radius:5px;box-shadow:0 0 0 1px #14171d;background:#839df812;pointer-events:auto;cursor:grab;z-index:2}.selection-window span{position:absolute;top:50%;height:30px;width:7px;background:#a4b8ff;border-radius:2px;transform:translateY(-50%)}.selection-window span:first-child{left:-3px;cursor:ew-resize}.selection-window span:last-child{right:-3px;cursor:ew-resize}.selection-window[hidden],.cover-marker[hidden]{display:none}.cover-marker{position:absolute;top:-6px;bottom:-6px;width:2px;background:#e9aa73;z-index:3;pointer-events:none}.cover-marker>span{position:absolute;bottom:-2px;left:50%;transform:translate(-50%,100%);font-size:7px;color:#e9aa73;white-space:nowrap}.timeline-ruler{display:flex;justify-content:space-between;font:8px ui-monospace,monospace;color:#60708c;margin-top:13px}.inspector{display:flex;flex-direction:column;min-width:0;background:#fff}.inspector-title{display:flex;align-items:center;justify-content:space-between;padding:21px 21px 13px}.inspector-title h2{font-size:14px;font-weight:600}.inspector-title>span{font-size:9px;color:#afb4bf}.inspector-tabs{display:flex;gap:4px;border-bottom:1px solid #eef0f4;padding:0 17px}.inspector-tabs>button{flex:1;padding:12px 4px;font-size:12px;background:none;color:#9ba2af;border-bottom:2px solid transparent}.inspector-tabs>button.selected{color:#4865d9;border-color:#4865d9}.inspector-panel{padding:20px 21px;flex:1}.inspector-panel[hidden]{display:none}.upload-card{border:1px dashed #d5dbe9;background:#f9faff;border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:17px 10px;cursor:pointer}.upload-glyph{font-size:23px;line-height:1;color:#7288d9;margin-bottom:6px}.upload-card strong{font-size:12px;font-weight:550;color:#4d5e93}.upload-card small{font-size:9px;color:#9ca6bd;margin-top:5px}.upload-limit{font-size:8px;color:#bbc1cf;margin-top:2px}.control-block{padding-top:22px}.control-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.control-label label,.field-label{font-size:11px;font-weight:500;color:#5b6374}.control-label>span{font:7px ui-monospace,monospace;letter-spacing:1px;color:#b7becc}.preset-row{display:flex;gap:6px;margin-bottom:18px}.preset-row>button{flex:1;border:1px solid #e6e9f2;background:#fafbfe;padding:7px 3px;border-radius:6px;font-size:11px;color:#7e889e}.preset-row>button.selected{background:#eef2ff;color:#4865d9;border-color:#a5b6ef}.range-label{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#929bac;margin-bottom:5px}.range-label output{font:10px ui-monospace,monospace;color:#4c5874;background:#f4f6fb;border-radius:4px;padding:3px 5px}input[type=range]{width:100%;accent-color:#647ded;cursor:pointer;height:18px;margin:0}.time-summary{display:flex;justify-content:space-between;font-size:9px;color:#aab1bf;margin-top:7px}.time-summary strong{font-weight:450;color:#8690a2}.field-label{display:block;margin-bottom:9px}select,textarea{width:100%;border:1px solid #e4e8f1;border-radius:7px;background:#fafbfe;color:#68738d;padding:10px;font-size:11px;resize:vertical}.field-note{font-size:9px;line-height:1.8;color:#acb3c1;margin-top:9px}.tip-card{margin-top:26px;display:flex;gap:10px;background:#f5f7fc;padding:12px;border-radius:8px;font-size:10px;color:#8a95af}.tip-card>span{color:#7288d9;font-size:15px}.panel-intro{margin-bottom:24px}.panel-number{font:7px ui-monospace,monospace;letter-spacing:1.4px;color:#b0b8c8}.panel-intro h3{font-size:15px;font-weight:550;margin-top:10px}.panel-intro p{font-size:10px;color:#9ca6ba;margin-top:5px}#capture{margin-top:15px;font-size:11px}.cover-divider{height:1px;background:#eef1f7;margin:28px 0;position:relative}.cover-divider>span{position:absolute;top:0;left:50%;transform:translate(-50%,-50%);padding:0 8px;background:white;color:#bdc4d0;font-size:9px}.custom-cover{display:flex;flex-direction:column;align-items:center;border:1px dashed #d8dfee;border-radius:9px;padding:22px 9px;cursor:pointer}.custom-cover>span{font-size:20px;color:#8c9ccc}.custom-cover strong{font-size:11px;color:#7887a9;font-weight:500}.custom-cover small{font-size:8px;color:#b2bcce;margin-top:4px}.share-preview{margin:18px auto;width:130px;aspect-ratio:3/4;background:linear-gradient(140deg,#d9e4f7,#eef0f8 50%,#e9d3c5);padding:12px;display:flex;flex-direction:column;border:5px solid white;box-shadow:0 3px 18px #5c6d9325;transform:rotate(-3deg)}.share-preview>span{font:8px ui-monospace,monospace;color:#8f9ebd}.share-preview p{font-size:12px;font-weight:600;color:#405779;margin:auto 0 12px;word-break:break-all}.share-preview small{font-size:6px;color:#7f91ac}.inspector-bottom{margin-top:auto;padding:16px 21px 18px;border-top:1px solid #edf0f5}.inspector-bottom>div{display:flex;justify-content:space-between;gap:5px;font-size:9px;color:#b0b8c6}.inspector-bottom strong{font:9px ui-monospace,monospace;color:#7c8aa5}.status{font-size:9px;color:#8d9ab1;margin-top:8px;line-height:1.7}.status.error{color:#bc685c}.sample-section{padding:35px 0}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:17px}.section-heading h2{font-size:19px;letter-spacing:-.5px;font-weight:550;margin-top:8px}.section-heading>p{font-size:11px;color:#9da5b5}.sample-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.sample{padding:0;display:flex;align-items:center;text-align:left;background:#fff;border:1px solid #e3e7f0;border-radius:10px;overflow:hidden;transition:transform .2s,border-color .2s}.sample:hover{transform:translateY(-2px);border-color:#aab9ea}.sample img{width:98px;height:94px;object-fit:cover;background:#e9edf6;flex-shrink:0}.sample-text{padding:13px 14px;min-width:0}.sample strong{display:block;font-size:12px;font-weight:550;color:#52617c}.sample small{display:block;font-size:9px;color:#a3adc0;margin-top:5px}.sample.active{border-color:#9bb0f4;box-shadow:0 0 0 2px #4965e40a}.sample-own{padding:19px;gap:14px;background:transparent;border-style:dashed}.sample-own .sample-plus{width:36px;height:36px;border-radius:50%;background:#edf1fb;display:flex;align-items:center;justify-content:center;font-size:22px;color:#93a2c5}.how-section{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;padding:8px 0 38px}.how-section>div{border-top:1px solid #e1e6ee;padding:20px 0 0}.how-section>div>span{font:9px ui-monospace,monospace;color:#a5b0c6}.how-section h3{font-size:12px;color:#74819a;font-weight:500;margin:9px 0 5px}.how-section p{font-size:10px;color:#a7afbe}footer{max-width:1440px;margin:auto;padding:24px 52px 35px;border-top:1px solid #e6eaf1;display:flex;align-items:center;justify-content:space-between;gap:20px}footer .brand{font-size:17px}footer>span{font-size:10px;color:#a6afbf}footer>div{display:flex;gap:22px;font-size:10px;color:#9da8bc}footer button{background:none;color:inherit;padding:0}.mobile-export{display:none}.export-dialog{padding:28px;width:min(540px,calc(100% - 28px));max-height:90dvh;overflow:auto;border:1px solid #e0e6f3;border-radius:18px;background:#fff;color:#253049;box-shadow:0 30px 100px #0005}.export-dialog::backdrop{background:#0e142bad;backdrop-filter:blur(6px)}.dialog-heading{display:flex;justify-content:space-between;align-items:flex-start}.dialog-heading h2{font-size:25px;letter-spacing:-.7px;font-weight:550;margin-top:8px}.dialog-heading>button{background:#f1f4fa;border-radius:50%;width:30px;height:30px;color:#8c99b3;font-size:22px;line-height:1}.dialog-intro{font-size:11px;color:#a0abc1;margin:12px 0 20px}.export-options{display:grid;grid-template-columns:1fr 1fr;gap:9px}.export-option{padding:12px 10px;display:flex;gap:9px;align-items:center;text-align:left;border:1px solid #e6eaf3;border-radius:9px;background:#fff}.format-icon{font-size:20px;color:#b4bfd5}.export-option strong{display:block;font-size:11px;color:#5f6e8b;font-weight:550}.export-option small{display:block;font-size:8px;color:#aab4c8;margin-top:2px}.export-option>i{width:10px;height:10px;border-radius:50%;border:1px solid #d9dfed;margin-left:auto;flex-shrink:0}.export-option.selected{background:#f2f5ff;border-color:#a0b3f2}.export-option.selected>i{border:3px solid #5c7be9}.export-option.selected .format-icon{color:#7890e1}.format-help{font-size:10px;line-height:1.9;color:#9aa6bd;padding:15px 0}.progress{padding:10px 0 16px}.progress[hidden]{display:none}.progress>div{display:flex;justify-content:space-between;gap:10px;font-size:10px;color:#8796b7}.progress button{background:none;color:#a5afc2;text-decoration:underline;padding:0;font-size:10px}progress{width:100%;height:6px;accent-color:#617de4}.export-status{font-size:11px;line-height:1.8;color:#8191ad;margin-top:12px}.export-status.error{color:#bb695e}.downloads a{display:block;background:#f1f6ed;border:1px solid #dbe6d3;color:#75915d;padding:11px 13px;border-radius:7px;font-size:11px;margin-top:10px}.save-guide{margin-top:17px;font-size:10px;color:#a3aec3}.save-guide summary{cursor:pointer}.save-guide p{margin-top:9px;line-height:1.9}.source-page{max-width:780px;padding-top:45px;padding-bottom:70px}.source-page h1{font-size:30px}.source-page h2{font-size:19px;margin:26px 0 10px}.source-page p,.source-page li{font-size:13px;margin-bottom:12px;color:#79859d}.source-page a{text-decoration:underline;color:#5c78d3}@media(min-width:1500px){.preview-surface{min-height:465px}.preview{width:min(100%,370px)}}@media(max-width:1050px){.topbar{padding:0 28px;gap:30px}main{padding:0 28px}.editor{grid-template-columns:minmax(0,1fr) 270px}.flow{display:none}.privacy-badge{display:none}.preview-surface{min-height:400px;padding:24px 24px 14px}.preview{width:min(100%,310px)}.sample-grid{grid-template-columns:repeat(2,1fr)}.sample-own{display:none}footer{padding:24px 28px}}@media(max-width:720px){.topbar{height:67px;padding:0 20px;gap:25px}.brand{font-size:20px}.brand>img{width:30px;height:30px}.topbar nav{margin-left:auto;gap:18px}.nav-item{font-size:11px;padding:22px 0}.header-actions{display:none}main{padding:0 16px}.workspace-heading{padding:27px 5px 22px}.eyebrow{font-size:7px;letter-spacing:1.2px}h1{font-size:28px;letter-spacing:-1px;margin:9px 0 6px}.heading-note{font-size:10px}.editor{grid-template-columns:1fr;border-radius:13px}.canvas-toolbar{height:44px;padding:0 16px}.project-name{font-size:10px}.project-name #fileLabel{max-width:180px}.replace-file{font-size:10px}.preview-surface{min-height:300px;padding:22px 27px 14px}.preview{width:min(100%,252px);max-height:370px}.canvas-guides{inset:17px}.canvas-caption{font-size:8px;margin-top:16px}.canvas-local{font-size:6px}.transport{padding:0 15px;height:45px;gap:10px}.transport #clipBadge{font-size:9px}.transport-hint{font-size:8px}.sound-button{font-size:8px}.timeline-panel{padding:17px 16px 19px}.timeline-heading strong{font-size:10px}.timeline-heading small{font-size:8px}.timeline-key{font-size:7px}.filmstrip-wrap{height:49px}.inspector-title{padding:20px 20px 9px}.inspector-tabs{padding:0 18px}.inspector-tabs>button{font-size:13px;padding:12px 5px}.inspector-panel{padding:20px}.upload-card{padding:15px;flex-direction:row;flex-wrap:wrap;gap:10px}.upload-glyph{font-size:20px;margin:0}.upload-card strong{font-size:12px}.upload-card small{font-size:10px;margin:0}.upload-limit{display:none}.control-label label,.field-label{font-size:12px}.control-label>span{font-size:8px}.preset-row>button{font-size:12px;padding:9px}.range-label{font-size:11px}input[type=range]{height:26px}.time-summary{font-size:10px}.field-note{font-size:10px}select,textarea{font-size:12px}.tip-card{margin-top:20px;font-size:11px}.inspector-bottom{padding:14px 20px}.inspector-bottom>div{font-size:10px}.status{font-size:10px}.inspector-title>span{font-size:10px}.sample-section{padding:27px 4px}.section-heading>p{display:none}.section-heading h2{font-size:18px}.sample-grid{gap:9px}.sample{flex-direction:column;text-align:left;align-items:stretch}.sample img{width:100%;height:118px}.sample-text{padding:12px}.sample strong{font-size:11px}.sample small{font-size:8px}.how-section{grid-template-columns:1fr;gap:14px;padding:0 4px 27px}.how-section>div{padding-top:15px}.how-section h3{display:inline-block;font-size:12px;margin:0 0 5px 12px}.how-section p{font-size:10px;margin-left:29px}.how-section>div>span{font-size:9px}footer{padding:22px 20px 111px;flex-wrap:wrap;gap:16px}footer>span{display:none}footer>div{font-size:9px;gap:16px}.mobile-export{position:fixed;bottom:0;left:0;right:0;z-index:8;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:13px 21px calc(13px + env(safe-area-inset-bottom));border-top:1px solid #e1e6ef;background:#ffffffec;backdrop-filter:blur(15px);box-shadow:0 -6px 20px #14274f04}.mobile-export>div{min-width:0}.mobile-export>div>span{display:block;font:6px ui-monospace,monospace;letter-spacing:1px;color:#a9b2c7}.mobile-export strong{display:block;font-size:10px;font-weight:500;color:#8290ad;margin-top:4px}.mobile-export .button{font-size:12px;padding:11px 18px}.export-dialog{padding:23px;border-radius:16px}.dialog-heading h2{font-size:23px}.export-option{padding:12px 9px}.export-option strong{font-size:10px}.export-option small{font-size:8px}.format-help{font-size:10px}.panel-intro h3{font-size:16px}.panel-intro p{font-size:11px}.source-page{padding-top:30px}.share-preview{width:145px}.export-status{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

.inspector-title h2{font-size:15px}.inspector-tabs>button{font-size:13px}.control-label label,.field-label{font-size:12px}.preset-row>button{font-size:12px}.range-label{font-size:11px}.range-label output{font-size:11px}select,textarea{font-size:12px}.tip-card{font-size:11px}.field-note,.status{font-size:10px}.sample strong{font-size:13px}

.quick-import{display:none}.selection-window{touch-action:none}.selection-window span{width:12px}@media(max-width:720px){.quick-import{display:inline-flex;margin-top:14px;padding:9px 13px;font-size:12px}}