@font-face{font-family:Studio;src:local('Microsoft YaHei')}*{box-sizing:border-box}html{color:#18314d;background:#f5f7fb;font-family:Studio,'PingFang SC',sans-serif}body{margin:0}button,input,textarea,select{font:inherit}button,a,input,textarea,select{outline-offset:4px}button{cursor:pointer}button:disabled{opacity:.5;cursor:wait}[hidden]{display:none!important}.shell{display:flex;min-height:100vh}.sidebar{width:222px;background:#fff;padding:35px 20px;flex-shrink:0;border-right:1px solid #e6ebf2;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;gap:13px;align-items:center;text-decoration:none;color:#18314d;font-size:25px;font-weight:700;padding-left:12px}.brand small{display:block;font-size:10px;font-weight:400;color:#718299;letter-spacing:.8px;margin-top:4px}.brand-icon{display:grid;place-items:center;background:#2668db;width:42px;height:42px;color:white;border-radius:9px;font-size:28px;transform:skew(-8deg)}nav{margin-top:50px;display:grid;gap:9px}.nav{background:transparent;border:0;text-align:left;padding:13px 14px;border-radius:8px;font-size:14px;color:#6c7b91;display:flex;gap:12px;align-items:center}.nav span{font-size:22px;line-height:1}.nav.active{background:#eaf1ff;color:#2668db}.nav:hover{background:#f0f4f9}.sidebar-bottom{font-size:11px;color:#62778f;margin-top:auto;padding:20px 5px 0}.sidebar-bottom small{display:block;font-size:10px;margin:10px 0 0 13px}.local-dot{display:inline-block;width:6px;height:6px;background:#2d9777;border-radius:50%;margin-right:7px}main{min-width:0;flex:1}.topbar{height:74px;border-bottom:1px solid #e6ebf2;display:flex;align-items:center;justify-content:space-between;padding:0 42px;background:#fff;font-size:12px;color:#718299}.text-button{border:0;background:none;color:#2668db;font-size:12px;padding:9px}#composer{max-width:1430px;margin:auto;padding:45px 42px}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px}.intro h1{font-size:34px;font-weight:600;letter-spacing:-1px;margin:0 0 13px}.intro p{font-size:14px;color:#718299;margin:0}.intro-mark{display:flex;align-items:flex-end;gap:5px;height:52px;margin-right:20px;transform:rotate(-9deg)}.intro-mark i{display:block;background:#2668db;width:17px;height:50px;border-radius:3px}.intro-mark i:nth-child(2){height:36px;opacity:.5}.intro-mark i:nth-child(3){height:24px;opacity:.2}.workspace{display:grid;grid-template-columns:minmax(340px,1.06fr) minmax(310px,1fr);gap:30px}.compose-panel{background:white;border:1px solid #e3eaf5;border-radius:14px;padding:28px}.panel-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.panel-heading h2{font-size:17px;margin:0;font-weight:600}.panel-heading span{font-size:11px;color:#9ca8b8}textarea,input,select{border:1px solid #dce3ed;background:#fff;border-radius:7px;color:#18314d}textarea{resize:vertical;line-height:1.8}#prompt{width:100%;height:172px;min-height:120px;padding:16px;background:#fafbfe;font-size:14px}textarea::placeholder{color:#9aa7b8}textarea:focus,input:focus,select:focus{outline:2px solid #9fc4ff;border-color:#2668db}.examples{display:flex;gap:8px;margin:12px 0 28px;align-items:center;flex-wrap:wrap}.examples span{font-size:11px;color:#9aa7b8}.examples button{border:1px solid #e2e8f2;background:white;padding:5px 10px;border-radius:5px;font-size:11px;color:#617794}.examples button:hover{color:#2668db;border-color:#2668db}.form-row{display:flex;gap:18px}.form-row label{width:50%}label{display:block;font-size:12px;color:#617794}select{display:block;width:100%;height:40px;padding:0 10px;margin-top:9px}.theme-field{padding:0;border:0;margin:25px 0 22px}.theme-field legend{font-size:12px;color:#617794;margin-bottom:11px}.themes{display:flex;gap:9px}.theme{flex:1;border:1px solid #e3e8f1;padding:10px 5px;background:white;border-radius:7px;font-size:11px;color:#718299}.theme.selected{border-color:#2668db;background:#f2f7ff;color:#18314d;box-shadow:0 0 0 1px #2668db}.swatch{display:block;height:29px;width:70%;margin:0 auto 7px;border-radius:4px}.swatch.blue{background:linear-gradient(110deg,#18314d 28%,#2668db 28% 57%,#dfe9fa 57%)}.swatch.palace{background:linear-gradient(110deg,#493b32 28%,#a93c32 28% 57%,#eddcc6 57%)}.swatch.forest{background:linear-gradient(110deg,#213e36 28%,#277b66 28% 57%,#dcebe4 57%)}.upload-row{display:flex;align-items:center;gap:12px}.upload-button{border:1px dashed #c7d3e5;border-radius:6px;padding:10px;color:#2668db;cursor:pointer;font-size:11px}.upload-button input{display:none}#upload-count{font-size:10px;color:#95a2b5}.input-note{font-size:10px;color:#95a2b5;line-height:1.8;margin:12px 0 18px}.primary{border:0;background:#2668db;color:white;border-radius:7px;padding:12px 19px;font-size:12px;font-weight:600}.primary:hover{background:#1c57bd}.generate{width:100%;padding:15px;display:flex;justify-content:center;gap:16px;font-size:14px}.generate span{font-size:18px}.secondary{background:white;border:1px solid #dce3ed;color:#52667f;border-radius:7px;padding:11px 15px;font-size:12px}.secondary:hover{background:#f4f7fb}.error{color:#a93c32;background:#fff0ec;padding:12px;font-size:12px;margin-top:12px;border-radius:6px}.showcase{padding:12px 3px;display:flex;flex-direction:column}.showcase-top{font-size:12px;color:#6d7f98;display:flex;justify-content:space-between;align-items:center;padding:0 6px;margin-bottom:20px}.pill{font-size:10px;border-radius:20px;border:1px solid #d7e2f4;padding:5px 9px;color:#2668db}.demo-slide{position:relative;aspect-ratio:16/10;background:#faf3e9;border:1px solid #e8dccb;border-radius:9px;overflow:hidden;box-shadow:0 22px 45px -32px #4d608c66}.demo-photo{position:absolute;right:5%;top:9%;width:45%;height:80%;opacity:0}.demo-photo svg{width:100%;height:100%;object-fit:cover}.demo-copy{position:absolute;left:6%;top:20%;width:47%;color:#493b32}.demo-copy span{font-size:10px;color:#867466;opacity:0}.demo-copy h3{font-family:'Songti SC','SimSun',serif;font-size:clamp(20px,2.5vw,40px);line-height:1.6;letter-spacing:1px;margin:19px 0;opacity:0}.demo-copy p{font-size:11px;color:#867466;opacity:0}.playing .demo-photo{animation:fade-in .7s both}.playing .demo-copy h3,.playing .demo-copy span{animation:fade-in .65s .95s both}.playing .demo-copy p{animation:fade-in .65s 2s both}.sequence{display:flex;align-items:center;justify-content:center;gap:8px;font-size:10px;color:#718299;margin:28px 0 13px}.seq-dot{display:block;width:7px;height:7px;border-radius:50%;background:#2668db}.seq-line{width:23px;border-top:1px solid #c5d3e9;margin:0 3px}.demo-replay{font-size:11px;background:none;border:0;color:#2668db;padding:7px;align-self:center}.showcase-note{margin-top:auto;padding:25px 8px 0}.showcase-note h3{font-size:19px;font-weight:500;margin:0 0 10px}.showcase-note p{font-size:12px;color:#8996a9;line-height:1.9;margin:0}#editor{padding:30px 28px;max-width:1650px;margin:auto}.editor-heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.editor-heading h1{font-size:23px;margin:0;max-width:580px}.editor-heading p{font-size:11px;color:#8a99ad;margin:9px 0 0}.editor-actions{display:flex;gap:8px;flex-shrink:0}.editor-body{display:grid;grid-template-columns:135px minmax(300px,1fr) 225px;gap:18px;align-items:start}.slide-rail{max-height:680px;overflow:auto;padding-right:5px}.thumb{background:none;border:0;padding:0;width:100%;display:block;margin-bottom:14px}.thumb>span{font-size:10px;color:#95a2b5;display:block;text-align:left;margin-bottom:4px}.thumb .slide-frame{border:2px solid transparent;border-radius:4px}.thumb.current .slide-frame{border-color:#2668db}.stage-panel{min-width:0}.stage{cursor:pointer;outline-offset:4px;position:relative;aspect-ratio:16/9;box-shadow:0 18px 40px -28px #27446c70;border-radius:6px;overflow:hidden}.slide-frame{position:relative;width:100%;aspect-ratio:16/9;background:var(--slide-bg);color:var(--slide-ink);overflow:hidden;container-type:inline-size;border-left:0.9cqw solid var(--slide-accent)}.slide-mark{position:absolute;top:5.4%;left:4.7%;font-size:1cqw;color:var(--slide-muted)}.slide-image{position:absolute;left:62.6%;top:12.7%;width:32.6%;height:75.3%;overflow:hidden;border-radius:1.6cqw}.slide-image svg,.slide-image img{width:100%;height:100%;object-fit:cover;display:block}.slide-heading{position:absolute;left:4.9%;top:14%;width:52%;font-size:3.2cqw;margin:0;line-height:1.45;font-weight:600;max-height:23%;overflow:hidden}.slide-heading.cover-heading{font-size:3.8cqw}.slide-points{position:absolute;left:5.6%;top:36.3%;width:51%;display:grid;gap:1.3cqw}.slide-points p{font-size:1.85cqw;line-height:1.65;margin:0;min-height:6.5cqw;max-height:10.5cqw;overflow:hidden}.slide-number{position:absolute;bottom:4.4%;left:4.7%;font-size:.9cqw;color:var(--slide-muted)}.animated .slide-image,.animated .slide-heading,.animated .slide-points p{opacity:0;visibility:hidden}.animated .visible{visibility:visible;opacity:1;animation:fade-in var(--duration,600ms) ease both}.page-enter{animation:page-fade .35s ease}.page-push{animation:page-push .35s ease}.player-controls{display:flex;align-items:center;gap:8px;padding:16px 0;font-size:11px}.player-controls button{background:white;border:1px solid #dde5f0;border-radius:5px;padding:7px 9px;color:#617794;font-size:11px;white-space:nowrap}.player-controls #prev-slide,.player-controls #next-slide{font-size:19px;line-height:1;padding:3px 10px}.player-controls .advance{margin-left:auto;color:#2668db;background:#eaf1ff;border-color:#eaf1ff}.control-divider{height:15px;border-left:1px solid #dce3ed;margin:0 3px}.timeline-heading{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e1e7f0;padding-top:18px}.timeline-heading h3{font-size:12px;font-weight:500;margin:0}.timeline-heading span{font-size:10px;color:#8b9aaf}.timeline{display:flex;gap:8px;padding-top:14px}.timeline button{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;background:#fff;border:1px solid #e1e7f0;border-radius:5px;font-size:10px;color:#95a2b5;padding:10px 5px}.timeline i{display:block;width:6px;height:6px;background:#d3dce9;border-radius:50%}.timeline .current{border-color:#2668db;color:#2668db;background:#eaf1ff}.timeline .current i,.timeline .done i{background:#2668db}.timeline .done{color:#617794}.player-hint{font-size:10px;color:#9aa7b8;line-height:1.8;margin-top:17px}.settings{background:white;border:1px solid #e3eaf5;border-radius:9px;padding:18px}.settings h3{font-size:13px;margin:0 0 22px;font-weight:600}.settings label{font-size:11px;margin-top:15px}.settings input[type=text],.settings input:not([type]),.settings textarea{width:100%;margin-top:8px;padding:8px;font-size:11px}.settings select{height:34px;font-size:11px;margin-top:7px}.settings textarea{line-height:1.6}.label-note{display:block;font-size:9px;color:#9aa7b8;margin-top:5px}.settings #save-slide{width:100%;font-size:11px;margin-top:10px;padding:9px}.settings hr{border:0;border-top:1px solid #e9edf4;margin:20px 0}.settings input[type=range]{width:100%;accent-color:#2668db;margin-top:9px}.settings label span#duration-label{float:right;font-size:10px}.animation-tip{font-size:11px;color:#2668db;line-height:1.8;background:#f0f5ff;padding:12px 10px;border-radius:5px;margin-top:19px}.animation-tip small{font-size:9px;color:#8197b7}.stage:fullscreen{width:100vw;height:100vh;aspect-ratio:auto;background:#000;border-radius:0;display:flex;align-items:center;justify-content:center}.stage:fullscreen .slide-frame{width:min(100vw,177.777vh);flex-shrink:0}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#18314d;color:white;padding:13px 22px;border-radius:8px;font-size:12px;box-shadow:0 8px 30px #18314d33;z-index:50;max-width:90vw}dialog{border:1px solid #e1e7f0;border-radius:13px;width:min(600px,90vw);padding:24px;color:#18314d;max-height:85vh}dialog::backdrop{background:#18314d66;backdrop-filter:blur(4px)}.modal-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}.modal-heading h2{font-size:20px;margin:0}.modal-heading button{border:0;background:none;font-size:24px;color:#8191a7}.history-item{display:block;width:100%;text-align:left;background:#f5f8fc;border:1px solid #e2e9f4;border-radius:8px;margin:10px 0;padding:16px}.history-item strong{display:block;font-size:14px;font-weight:500}.history-item small{display:block;color:#8998ad;font-size:11px;margin-top:8px}.help-list{padding-left:23px;font-size:14px}.help-list li{margin:20px 0}.help-list p{font-size:12px;line-height:1.9;color:#718299}.help-foot{font-size:11px;color:#8998ad;border-top:1px solid #e3eaf5;padding-top:15px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}@keyframes fade-in{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:translateY(0)}}@keyframes page-fade{from{opacity:0}to{opacity:1}}@keyframes page-push{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}@media(min-width:1500px){.workspace{gap:50px}.compose-panel{padding:35px}.showcase{padding-top:15px}.demo-copy h3{font-size:39px}}@media(max-width:1200px){.sidebar{width:185px;padding:30px 12px}.topbar{padding:0 25px}#composer{padding:35px 25px}.workspace{gap:22px}.compose-panel{padding:22px}.intro h1{font-size:29px}.editor-body{grid-template-columns:100px minmax(270px,1fr)}.settings{grid-column:2;display:grid;grid-template-columns:1fr 1fr;gap:8px 17px}.settings h3{grid-column:1/-1;margin-bottom:0}.settings label{margin-top:4px}.settings hr{display:none}.editor-heading{align-items:flex-start}.editor-heading h1{font-size:19px}.editor-actions{flex-wrap:wrap;justify-content:flex-end}.editor-actions button{padding:9px 12px;font-size:11px}}@media(max-width:850px){.sidebar{width:72px;padding:27px 8px}.brand{padding:0;justify-content:center}.brand>span:last-child{display:none}.brand-icon{width:35px;height:35px;font-size:24px}.nav{font-size:0;padding:13px;justify-content:center}.nav span{font-size:23px}.sidebar-bottom{display:none}.intro-mark{display:none}.workspace{grid-template-columns:1fr}.showcase{max-width:650px}.showcase-note{padding-top:22px}.demo-copy h3{font-size:34px}.intro h1{font-size:29px}.editor-heading{display:block}.editor-actions{justify-content:flex-start;margin-top:16px}.editor-body{grid-template-columns:90px minmax(200px,1fr)}.player-controls{flex-wrap:wrap}.player-controls .advance{margin-left:0}.timeline{flex-wrap:wrap}.timeline button{min-width:65px}.demo-slide{aspect-ratio:16/9}}@media(max-width:520px){.shell{display:block}.sidebar{position:static;width:100%;height:auto;padding:12px 18px;flex-direction:row;align-items:center;justify-content:space-between;border-bottom:1px solid #e6ebf2}.brand>span:last-child{display:block;font-size:20px}.brand small{display:none}.brand{gap:10px}.brand-icon{height:30px;width:30px}.sidebar nav{display:flex;margin:0;gap:5px}.nav{padding:8px}.topbar{height:48px;padding:0 18px;font-size:10px}#composer{padding:28px 18px}.intro h1{font-size:27px}.intro p{font-size:12px;line-height:1.8}.intro{margin-bottom:23px}.compose-panel{padding:19px}.workspace{gap:28px}.themes{gap:6px}.upload-row{gap:8px}#editor{padding:20px 14px}.editor-body{display:flex;flex-direction:column;gap:15px}.slide-rail{display:flex;gap:10px;max-width:100%;padding:0 0 8px;order:2}.thumb{width:95px;flex-shrink:0;margin:0}.stage-panel{width:100%;order:1}.settings{width:100%;order:3}.editor-heading h1{font-size:20px}.player-controls{gap:6px}.demo-copy h3{font-size:26px}.sequence{gap:5px}.seq-line{width:15px}}@media(prefers-reduced-motion:reduce){.playing *,.animated .visible,.page-enter,.page-push{animation-duration:1ms!important}.animated .visible{opacity:1}}
.slide-frame{border-left:0}.slide-frame::before{content:"";position:absolute;left:0;top:0;bottom:0;width:.9%;background:var(--slide-accent)}