:root{--paper:#f8f9f5;--ink:#1c302a;--muted:#6c7870;--line:#dce2d9;--green:#234a3c;--orange:#d66c45;--yellow:#efc34a;font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button{cursor:pointer;border:0;color:inherit}button:disabled{opacity:.4;cursor:not-allowed}a{color:inherit;text-decoration:none}button,a,input,select{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--orange);outline-offset:4px}[hidden]{display:none!important}.wrap{max-width:1200px;padding:0 44px;margin:auto}.site-header{height:96px;max-width:1360px;margin:auto;padding:0 54px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}.brand{font-size:24px;font-weight:700;display:flex;align-items:center;gap:10px;letter-spacing:1px}.brand>span{font-size:31px}.brand small{font-size:10px;font-weight:500;letter-spacing:2px;margin-left:10px}.site-header nav{display:flex;gap:32px;align-items:center;font-size:12px}.small-button{padding:12px 19px;border:1px solid var(--line);background:transparent;border-radius:8px;font-size:12px}.primary{display:inline-flex;justify-content:center;align-items:center;gap:25px;padding:19px 26px;border-radius:9px;background:var(--green);color:#fff;font-weight:600;transition:background .2s,transform .2s}.primary:hover:not(:disabled){background:#17392b;transform:translateY(-2px)}.eyebrow{font-family:"Avenir Next","Helvetica Neue",sans-serif;font-size:9px;letter-spacing:2px;font-weight:600;color:var(--muted);margin:0 0 24px}.eyebrow i{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:8px}.hero{display:grid;grid-template-columns:1fr 1.07fr;gap:65px;padding-top:76px;padding-bottom:40px;align-items:center}.hero h1{font-size:clamp(48px,5.3vw,70px);line-height:1.25;letter-spacing:-3px;font-weight:650;margin:0 0 24px}.hero h1>span{position:relative}.hero h1>span:after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:4px;border-radius:100%;background:var(--orange)}.hero h2{font-size:19px;font-weight:500;letter-spacing:0;margin:0 0 15px}.description{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 27px}.hero-upload{min-width:246px;justify-content:space-between;font-size:16px}.drop-hint{font-size:12px;color:var(--muted);margin:17px 0 8px}.file-hint{font-size:10px;color:var(--muted);margin:0}.benefits{display:flex;gap:17px;margin-top:26px;font-size:10px;color:var(--muted)}.hero-visual{border:1px solid var(--line);padding:12px;border-radius:18px;background:white;position:relative;box-shadow:0 24px 65px #203d2910}.demo-toolbar,.demo-footer{display:flex;justify-content:space-between;align-items:center;padding:12px 5px 18px;font-size:10px;color:var(--muted)}.demo-toolbar>span:last-child{font-size:8px;letter-spacing:1px}.demo-toolbar i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#609e77;margin-right:7px}.demo-footer{padding:17px 5px 7px;font-size:9px}.demo-footer b{font-weight:400;margin:0 10px}.hero-demo{position:relative;height:405px;overflow:hidden;border-radius:9px;background:#e9ebe5}.hero-demo>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.demo-after{opacity:0;transition:opacity .5s}.demo-mask{opacity:0;clip-path:inset(0 100% 0 0);transition:opacity .2s,clip-path 1.2s ease}.hero-demo[data-step="1"] .demo-mask,.hero-demo[data-step="2"] .demo-mask{opacity:1;clip-path:inset(0 0 0 0)}.hero-demo[data-step="3"] .demo-after{opacity:1}.demo-processing{position:absolute;inset:0;background:#18372c55;backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;gap:12px;color:white;font-size:13px;opacity:0;transition:opacity .3s}.hero-demo[data-step="2"] .demo-processing{opacity:1}.demo-state{position:absolute;bottom:15px;left:15px;border:1px solid #ffffff90;background:#ffffffee;padding:9px 12px;border-radius:6px;font-size:10px}.demo-brush{position:absolute;width:32px;height:32px;border:2px solid #fff;border-radius:50%;background:#efc34a70;top:72%;left:77%;opacity:0;box-shadow:0 0 0 1px #0002}.hero-demo[data-step="1"] .demo-brush{opacity:1;animation:brush-demo 1.5s ease both}@keyframes brush-demo{0%{transform:translate(-18px,-20px)}35%{transform:translate(25px,0)}70%{transform:translate(-10px,10px)}100%{transform:translate(30px,25px)}}.floating-note{position:absolute;bottom:-20px;right:24px;background:#f1e9db;padding:13px 16px;font-size:11px;border-radius:7px;transform:rotate(-3deg)}.floating-note span{margin-left:15px;color:var(--orange)}.try-row{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--muted);padding-top:3px;margin-bottom:106px}.try-row>span{margin-right:10px}.try-row button{width:43px;height:43px;border-radius:8px;padding:0;overflow:hidden}.try-row img{width:100%;height:100%;object-fit:cover}.try-row small{margin-left:6px;font-size:10px}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:30px}.section-heading .eyebrow{margin-bottom:17px}h2{font-size:36px;line-height:1.4;font-weight:600;letter-spacing:-1px;margin:0}h2>span{color:var(--orange)}.section-heading>p{font-size:14px;line-height:1.9;color:var(--muted);margin:0 0 5px}.home-comparison{height:540px;border-radius:16px}.before-after{position:relative;overflow:hidden;--split:50%;background:#e7e9e2;isolation:isolate}.after-image,.before-layer,.before-layer img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.home-comparison .after-image,.home-comparison .before-layer img{object-fit:cover}.before-layer{clip-path:inset(0 calc(100% - var(--split)) 0 0)}.divider{position:absolute;top:0;bottom:0;left:var(--split);width:2px;transform:translateX(-50%);background:#fff;pointer-events:none;box-shadow:0 0 6px #0002}.divider>span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:47px;height:47px;display:grid;place-items:center;background:white;border-radius:50%;box-shadow:0 3px 12px #0002;font-size:22px;letter-spacing:3px;color:var(--ink)}.before-after>input{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;touch-action:pan-y}.before-after:focus-within{outline:3px solid var(--orange);outline-offset:3px}.compare-label{position:absolute;top:18px;background:#fffffff0;padding:8px 14px;border-radius:6px;font-size:10px;pointer-events:none;color:var(--ink)}.before-label{left:18px}.after-label{right:18px}.comparison-hint{text-align:center;font-size:11px;color:var(--muted);margin-top:18px}.comparison-hint span{margin-left:10px}.scenario-section{padding-top:110px}.scenario-tabs{display:flex;gap:10px;margin-bottom:26px}.scenario-tabs button{padding:12px 20px;background:transparent;border:1px solid var(--line);border-radius:7px;font-size:12px;color:var(--muted)}.scenario-tabs button[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:#fff}.scenario-images{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scenario-images figure{margin:0;min-width:0}.scenario-images figure>div{height:300px;border-radius:12px;overflow:hidden;position:relative;background:#e9ebe4}.scenario-images img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.scenario-images .scene-mask{z-index:1}.scenario-images figcaption{font-size:12px;margin-top:17px}.scenario-images figcaption span{font-size:9px;color:var(--muted);margin-right:13px}.scenario-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:20px;gap:15px}.scenario-caption{font-size:12px;color:var(--muted);line-height:1.7}.text-button{background:transparent;font-size:12px;padding:10px 0;white-space:nowrap}.steps-section{padding-top:110px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin-top:40px}.steps article{border-top:1px solid var(--line);padding:28px 0}.steps article>span{font-family:"Avenir Next",sans-serif;font-size:10px;letter-spacing:2px;color:var(--orange)}.steps h3{font-size:20px;font-weight:500;margin:24px 0 13px}.steps p{font-size:13px;line-height:1.9;color:var(--muted)}.closing{text-align:center;padding:100px 20px}.closing h2{margin-bottom:28px}.closing .primary{font-size:14px}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding-top:26px!important;padding-bottom:30px!important;font-size:10px;color:var(--muted)}
.editor-page{max-width:1440px;margin:auto;padding:38px 44px 60px}.editor-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;gap:20px}.editor-heading h1{font-size:29px;font-weight:600;letter-spacing:-1px;margin:0 0 8px}.editor-heading .eyebrow{font-size:8px;margin-bottom:12px}#file-name{font-size:11px;color:var(--muted);margin:0;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.editor-shell{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:28px;align-items:start}.work-area{background:#1c2e27;border:1px solid #2f4338;border-radius:16px;color:#dae2da;padding:16px;min-width:0}.work-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:15px}.mode-tabs{display:flex;gap:5px;background:#13251e;padding:4px;border-radius:8px}.mode-tabs button{background:transparent;color:#a6b6ab;padding:9px 17px;border-radius:5px;font-size:12px}.mode-tabs button[aria-pressed="true"]{background:#3f5849;color:#fff}.work-top>span{font-size:10px;color:#a4b3a8}.image-stage{height:min(62vh,660px);min-height:370px;display:flex;align-items:center;justify-content:center;position:relative;border-radius:9px;background:#14221c;overflow:hidden;padding:20px;background-image:radial-gradient(#334137 1px,transparent 1px);background-size:16px 16px}.image-frame{position:relative;flex-shrink:0;box-shadow:0 7px 30px #0004;line-height:0}#image-canvas{display:block;width:100%;height:100%}#mask-canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.52;touch-action:none;cursor:none}#brush-cursor{position:absolute;border:1.5px solid white;border-radius:50%;background:#efc34a25;box-shadow:0 0 0 1px #0005;transform:translate(-50%,-50%);pointer-events:none;z-index:3}#editor-comparison{position:absolute;inset:0;background:transparent;line-height:normal}#editor-comparison .compare-label{font-size:9px;padding:7px 10px}#editor-comparison .divider>span{width:36px;height:36px;font-size:18px}.canvas-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:10px;padding:18px 2px 2px;color:#a6b6aa}.canvas-footer>span:first-child{color:#d3ddcd}.toolbar{padding:10px 0}.tool-heading{display:flex;gap:13px;align-items:center;padding-bottom:25px;border-bottom:1px solid var(--line)}.brush-symbol{font-size:30px;width:43px;height:43px;border-radius:11px;background:#e8eadf;display:grid;place-items:center}.tool-heading h2{font-size:20px;letter-spacing:0}.tool-heading p{font-size:11px;color:var(--muted);margin:7px 0 0}.brush-control{padding-top:25px}.brush-control label{display:flex;justify-content:space-between;font-size:12px}.brush-control output{font-size:11px;color:var(--muted)}.brush-control input{width:100%;accent-color:var(--green);margin:22px 0 10px}.brush-control>div{display:flex;justify-content:space-between;font-size:10px;color:var(--muted)}.history-tools{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:22px}.history-tools button{border:1px solid var(--line);background:transparent;padding:11px 9px;border-radius:7px;font-size:12px}.history-tools button:last-child{grid-column:span 2}.brush-tip{font-size:11px;line-height:1.8;color:var(--muted);margin:22px 0}.toolbar .primary{width:100%;font-size:13px;padding:17px 10px;gap:9px}.run-note{text-align:center;font-size:10px;color:var(--muted);margin-top:12px}.download-tools{border-top:1px solid var(--line);margin-top:24px;padding-top:23px}.download-tools label{font-size:12px;display:block;margin-bottom:12px}.download-tools select{width:100%;padding:11px 12px;background:#fff;border:1px solid var(--line);border-radius:7px;color:var(--ink);font-size:12px}.download-button{background:#e5ebe2;border:1px solid #d8e0d4;width:100%;padding:15px 10px;margin-top:10px;border-radius:8px;font-size:13px}.download-tools small{display:block;text-align:center;font-size:9px;color:var(--muted);margin-top:10px}.keyboard-hint{font-size:10px;color:var(--muted);line-height:1.9;margin:25px 0 0}.processing-overlay{position:absolute;inset:0;background:#10251cd9;backdrop-filter:blur(4px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;z-index:10;color:#fff}.processing-overlay strong{font-size:16px;font-weight:500}.processing-overlay p{font-size:11px;color:#becbbe;margin:0}.cancel-button{background:transparent;border:1px solid #708173;padding:8px 16px;border-radius:6px;color:#d6dfd7;font-size:11px;margin-top:8px}.spinner{display:inline-block;width:25px;height:25px;border:2px solid #ffffff50;border-top-color:var(--yellow);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}#editor-error{padding:13px;margin-top:15px;border-radius:7px;background:#fff0e7;border:1px solid #ebc9b6;font-size:11px;line-height:1.7;overflow-wrap:anywhere;color:#853e26}#drop-overlay{position:fixed;inset:0;background:#183c2eeb;backdrop-filter:blur(8px);z-index:100;color:white;padding:26px;pointer-events:none}#drop-overlay>div{height:100%;border:2px dashed #ffffff70;border-radius:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px}#drop-overlay span{font-size:75px}#drop-overlay p{font-size:13px;color:#d0e0d2}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:90vw;background:var(--ink);color:#fff;padding:16px 24px;border-radius:9px;font-size:12px;line-height:1.6;z-index:110}.skip-link:not(:focus){position:fixed;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.skip-link:focus{position:fixed;top:10px;left:10px;background:white;padding:12px;z-index:200}
@media(max-width:1000px){.wrap{padding-left:28px;padding-right:28px}.hero{gap:32px}.hero h1{font-size:53px}.hero h2{font-size:16px}.description{font-size:12px}.hero-demo{height:360px}.scenario-images figure>div{height:240px}.editor-page{padding-left:28px;padding-right:28px}.editor-shell{gap:20px;grid-template-columns:minmax(0,1fr) 235px}.site-header{padding:0 28px}.canvas-footer{font-size:9px}.canvas-footer>span:last-child{display:none}}
@media(max-width:680px){.hero-upload>span:last-child{display:none}.hero-upload{gap:12px;justify-content:center}.site-header{height:76px;padding:0 22px}.brand{font-size:22px}.brand small,.desktop-link{display:none}.small-button{padding:10px 12px;font-size:11px}.wrap{padding-left:22px;padding-right:22px}.hero{grid-template-columns:1fr;padding-top:43px;gap:35px}.hero h1{font-size:55px;letter-spacing:-2px}.hero h2{font-size:18px}.description{font-size:13px}.hero .eyebrow{font-size:8px}.hero-upload{width:100%}.drop-hint,.file-hint{text-align:center}.benefits{justify-content:center}.hero-demo{height:330px}.demo-footer{font-size:9px}.try-row{padding-top:20px;margin-bottom:70px;font-size:10px;gap:8px}.try-row small{display:none}.section-heading{display:block}.section-heading>p{font-size:12px;margin-top:18px}h2{font-size:30px}.home-comparison{height:350px}.home-comparison .after-image,.home-comparison .before-layer img{object-fit:contain}.scenario-section{padding-top:70px}.scenario-tabs{gap:6px}.scenario-tabs button{flex:1;font-size:11px;padding:11px 5px}.scenario-images{gap:8px}.scenario-images figure>div{height:180px;border-radius:7px}.scenario-images figcaption{font-size:10px;margin-top:10px}.scenario-images figcaption span{display:none}.scenario-bottom{display:block}.scenario-caption{font-size:11px}.steps-section{padding-top:65px}.steps{grid-template-columns:1fr;gap:0;margin-top:25px}.steps article{padding:22px 0;display:grid;grid-template-columns:100px 1fr;gap:0 15px}.steps h3{margin:0;font-size:18px}.steps p{grid-column:2;margin-bottom:0;font-size:12px}.steps article>span{font-size:9px;margin-top:5px}.closing{padding:65px 22px}footer{flex-wrap:wrap;gap:16px}footer>span:nth-child(2){display:none}.editor-page{padding:27px 16px 40px}.editor-heading{margin-bottom:22px}.editor-heading h1{font-size:24px}.editor-heading .eyebrow{font-size:7px;letter-spacing:1px}.editor-shell{grid-template-columns:1fr;gap:22px}.work-area{padding:10px}.image-stage{height:48vh;min-height:310px;padding:10px}.work-top{margin-bottom:10px}.work-top>span{font-size:9px}.mode-tabs button{font-size:11px;padding:9px 14px}.canvas-footer{padding:14px 2px 4px}.toolbar{padding:0 6px}.tool-heading{display:none}.brush-control{padding-top:0}.brush-control input{margin-top:15px}.history-tools{grid-template-columns:1fr 1fr 1fr;margin-top:17px}.history-tools button:last-child{grid-column:auto}.brush-tip{margin:18px 0;font-size:11px}.toolbar .primary{padding:17px 10px}.download-tools{margin-top:20px;padding-top:18px;display:grid;grid-template-columns:1fr 1fr;gap:10px;align-items:center}.download-tools label{grid-column:span 2;margin:0}.download-button{margin:0;padding:12px 8px}.download-tools small{grid-column:span 2;margin:0}.keyboard-hint{display:none}#drop-overlay h2{font-size:26px}.processing-overlay strong{font-size:14px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}