@charset "UTF-8";
:root{--paper:#f8f7f2;--ink:#263b34;--muted:#788078;--line:#e4e6dc;--green:#254e3e;--accent:#dc744e;--pale:#eef1e7;--font:Inter,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color-scheme:light}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:14px;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a,input,summary,label{ -webkit-tap-highlight-color:transparent}button,a,summary{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button:disabled{cursor:not-allowed;opacity:.42}button,input,summary,a{outline-offset:5px}button:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible,.drop-zone:focus-visible{outline:2px solid var(--accent)}button{transition:background .18s,transform .18s}button:enabled:active{transform:translateY(1px)}.wrap{max-width:1264px;margin:auto;padding-left:40px;padding-right:40px}.header{height:98px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:11px;align-items:center;font-size:23px;font-weight:750;letter-spacing:1.5px}.brand-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:12px;background:var(--green);color:var(--paper);font-size:38px;font-weight:400;line-height:1}.brand-en{font-size:10px;font-weight:600;letter-spacing:2px;margin-left:11px}.header nav{display:flex;gap:38px;margin-left:5px;font-size:13px;color:#727b73}.header nav a{padding:12px 0}.header nav a[aria-current]{color:var(--green);position:relative}.header nav a[aria-current]:after{content:"";width:4px;height:4px;background:var(--green);position:absolute;border-radius:50%;bottom:0;left:50%}.status{font-size:11px;display:flex;align-items:center;gap:7px;color:#68796b;background:#eef1e8;border:1px solid #e0e6d8;padding:7px 11px;border-radius:50px}.status i{height:5px;width:5px;border-radius:50%;background:#6b9474}.status.offline{background:#fff1e9;color:#a45832}.status.offline 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minmax(0,1fr);border:1px solid #dfe3d6;border-radius:17px;background:#fdfdf9;overflow:hidden;box-shadow:0 6px 28px #263b3405}.control-panel{padding:27px 25px 18px;border-right:1px solid var(--line)}.section-title{display:flex;align-items:center;gap:9px;margin-bottom:18px}.step{font-size:9px;color:#8c9487;border:1px solid #dce1d5;border-radius:5px;padding:3px 4px;line-height:1;font-family:monospace}.section-title h2,.preview-toolbar h2{font-size:13px;font-weight:600;margin:0;letter-spacing:.2px}.small-tag{font-size:7px;color:#99a28e;margin-left:auto;letter-spacing:1px}.drop-zone{border:1.5px dashed #c8d1be;border-radius:10px;min-height:174px;background:#f6f8f0;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:11px;cursor:pointer;transition:background .2s,border-color .2s}.drop-zone:hover,.drop-zone.drag-over{background:#edf2e3;border-color:#6e8861}.drop-zone strong{font-size:12px;font-weight:550;max-width:244px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.upload-icon{display:grid;place-items:center;background:#e8eedd;border-radius:13px;width:45px;height:45px;margin-bottom:2px}.upload-icon svg{height:28px;width:28px;fill:none;stroke:#788e62;stroke-width:1.4}.file-hint{font-size:10px;color:#939b89}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.sample-row{display:flex;align-items:center;justify-content:space-between;margin:12px 0 22px;font-size:10px;color:#989d92}.sample-button{border:0;background:transparent;display:flex;align-items:center;gap:7px;color:#758166;font-size:10px;padding:0}.sample-button img{width:27px;height:27px;object-fit:cover;border-radius:5px;filter:saturate(.65)}.sample-button:hover{color:var(--ink)}.control-divider{height:1px;background:var(--line);margin-bottom:24px}.mode-options{border:0;padding:0;margin:0;display:grid;gap:9px}.mode-card{position:relative;border:1px solid #e2e5da;border-radius:8px;padding:13px 12px;display:flex;align-items:center;gap:11px;cursor:pointer;background:#fff}.mode-card:has(input:checked){border-color:#8b9b79;background:#f4f6ed}.mode-card input{position:absolute;opacity:0}.mode-card:has(input:focus-visible){outline:2px solid var(--accent);outline-offset:2px}.radio-mark{width:14px;height:14px;border-radius:50%;border:1px solid #bdc6b2;flex-shrink:0;display:grid;place-items:center}.mode-card input:checked+.radio-mark{border-color:#698050}.mode-card input:checked+.radio-mark:after{content:"";height:6px;width:6px;border-radius:50%;background:#698050}.mode-card strong{font-size:12px;font-weight:550;display:flex;align-items:center;gap:8px}.mode-card small{display:block;font-size:10px;color:#909783;margin-top:6px}.mode-symbol{font-size:18px;line-height:.7;color:#9aa88b}.recommended{font-size:8px;background:#e3ead8;color:#6c8157;font-weight:400;border-radius:3px;padding:2px 5px}.advanced{margin:17px 0 15px}.advanced summary{font-size:10px;color:#8a9282;cursor:pointer}.advanced summary>span{font-size:9px;color:#b0b5aa;margin-left:4px}.key-field{margin-top:10px;display:grid;gap:7px}.key-field label,.key-field small{font-size:10px;color:#7e8875;line-height:1.7}.key-field input{width:100%;border:1px solid #ced8c5;border-radius:6px;background:white;padding:8px;color:var(--ink);font-size:11px}.primary-button{width:100%;padding:14px 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0;min-width:0;background:#fffefa}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:21px;min-height:20px}.preview-toolbar>div{display:flex;align-items:center;gap:9px}.preview-toolbar h2{font-weight:500}.result-badge{border:1px solid #e3e6dc;font-size:9px;color:#9aa28f;border-radius:4px;padding:4px 7px}.preview-stage{height:372px;position:relative;display:grid;place-items:center;overflow:hidden;border:1px solid #e8eadf;border-radius:8px;isolation:isolate}.checker{background-color:#fff;background-image:linear-gradient(45deg,#f0f1eb 25%,transparent 25%),linear-gradient(-45deg,#f0f1eb 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f0f1eb 75%),linear-gradient(-45deg,transparent 75%,#f0f1eb 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}.bg-white{background:#fff}.bg-dark{background:#293730}.bg-mint{background:#d6e5d6}.empty-state{text-align:center;display:flex;flex-direction:column;align-items:center}.empty-art{margin-bottom:11px}.empty-art svg{width:104px;height:104px;fill:none;stroke:#a9b79b;stroke-width:1.5}.art-back{fill:#eff2e7;stroke:#d5dccb!important}.art-front{fill:#fbfcf8}.empty-art circle{fill:#e5ebd9;stroke:#b6c3a5}.art-land{fill:#e6ebdd}.art-spark{stroke:#b1bda1;stroke-width:1.4}.empty-state h3{font-size:14px;font-weight:500;letter-spacing:.5px;margin:0 0 9px;color:#849476}.empty-state p{font-size:11px;color:#a0a994;margin:0 0 23px}.empty-chip{font-size:9px;color:#a1aa95;border:1px solid #dfe5d6;border-radius:50px;padding:5px 11px;background:#fff9}.image-comparison{position:absolute;inset:15px;--split:50%}.image-comparison>img,.original-layer,.original-layer img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.original-layer{clip-path:inset(0 calc(100% - var(--split)) 0 0)}.original-layer.full{clip-path:none}.split-line{position:absolute;left:var(--split);top:0;bottom:0;width:1px;background:#fff;box-shadow:0 0 4px #0004;transform:translateX(-50%);pointer-events:none}.split-line span{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:35px;height:35px;display:grid;place-items:center;background:white;border-radius:50%;font-size:16px;color:var(--green);box-shadow:0 2px 12px #0002}.comparison-label{position:absolute;top:0;background:#25382ed1;color:white;font-size:9px;border-radius:4px;padding:5px 8px}.before{left:0}.after{right:0}.compare-slider{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;touch-action:pan-y}.image-comparison:has(.compare-slider:focus-visible){outline:2px solid var(--accent);outline-offset:4px}.processing-overlay{position:absolute;inset:0;background:#fbfcf4e8;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px;z-index:2}.processing-overlay strong{font-size:14px;font-weight:500}.processing-overlay>span:last-child{font-size:11px;color:var(--muted)}.spinner{border:2px solid #dce3d1;border-top-color:var(--green);width:30px;height:30px;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}[hidden]{display:none!important}.preview-footer{display:flex;justify-content:space-between;align-items:center;padding:13px 1px 22px;gap:12px}.background-picker{display:flex;align-items:center;gap:9px}.background-picker>span{font-size:10px;color:#98a18d;margin-right:3px}.swatch{width:16px;height:16px;border-radius:50%;border:1px solid #d7ddd0;padding:0;position:relative}.swatch.checker{background-size:8px 8px;background-position:0 0,0 4px,4px -4px,-4px 0}.swatch.selected:after{content:"";position:absolute;inset:-4px;border:1px solid #899b76;border-radius:50%}.result-meta{font-size:9px;color:#a1a992;text-align:right}.download-row{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:20px 0 24px;gap:8px;margin-top:auto}.download-row p{font-size:10px;display:flex;align-items:center;gap:6px;color:#939e84;margin:0}.download-dot{width:4px;height:4px;border-radius:50%;background:#b3c1a1;flex-shrink:0}.download-actions{display:flex;align-items:center;gap:17px}.text-button{border:0;background:none;font-size:10px;color:#758462;white-space:nowrap;padding:8px 0}.download-button{border:1px solid #d0d8c6;background:#f3f6eb;border-radius:6px;padding:10px 14px;font-size:11px;color:#607350;white-space:nowrap}.download-button span{margin-left:12px}.download-button:enabled:hover{background:#e7eedb}.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);padding:34px 0 35px}.feature-strip>div,.feature-strip>a{padding:0 29px;border-right:1px solid var(--line)}.feature-strip>:first-child{padding-left:3px}.feature-strip>:last-child{border:0}.feature-number{font-size:8px;color:#a8ae9d;letter-spacing:2px}.feature-strip h3{font-size:12px;font-weight:500;letter-spacing:.6px;margin:9px 0 8px}.feature-strip h3 span{float:right;color:#95a185}.feature-strip p{font-size:10px;color:#929b85;line-height:1.7;margin:0}.site-footer{display:flex;align-items:center;justify-content:space-between;font-size:9px;color:#a1a995;height:76px;border-top:1px solid var(--line)}.footer-divider{margin:0 10px;color:#b7bfae}.site-footer a{color:#78866a}
/* Documentation */.docs-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:55px;margin-top:45px;margin-bottom:80px}.docs-nav{position:sticky;top:25px;align-self:start;display:grid;gap:7px;font-size:12px}.docs-nav strong{margin-bottom:10px;font-size:10px;color:#89957d;letter-spacing:1px}.docs-nav a{padding:10px 12px;border-radius:6px}.docs-nav a:hover{background:#eaf0e0}.docs-content{min-width:0;max-width:825px}.docs-content h1{font-size:34px}.docs-content h2{font-size:20px;font-weight:550;margin:39px 0 17px;scroll-margin-top:30px}.docs-content h3{font-size:14px;font-weight:600;margin-top:25px}.docs-content p,.docs-content li{font-size:13px;line-height:1.9;color:#77836f}.docs-content code{font-family:Consolas,monospace;font-size:12px;background:#edf0e6;padding:2px 5px;border-radius:4px;overflow-wrap:anywhere}.code-block{background:#233d30;border-radius:11px;color:#d4e2cb;padding:22px;position:relative;margin:18px 0}.code-block pre{margin:0;overflow:auto;white-space:pre;font-size:12px;line-height:1.9;padding-top:9px}.code-block code{background:none;color:inherit;padding:0;font:inherit}.code-head{display:flex;justify-content:space-between;align-items:center;font-size:9px;color:#9db48d;letter-spacing:1px;margin-bottom:9px}.copy-button{color:#bcd0ac;border:1px solid #56714a;background:transparent;padding:5px 10px;border-radius:5px;font-size:10px}.docs-table{width:100%;border-collapse:collapse;font-size:12px;line-height:1.8}.docs-table td,.docs-table th{border-bottom:1px solid var(--line);padding:12px 10px;text-align:left}.docs-table th{font-weight:550;color:#53634b;background:#f0f3e9}.docs-table td{color:#79856f}.note-box{background:#edf2e5;border-left:3px solid #92a77c;padding:14px 18px;margin:20px 0;border-radius:0 7px 7px 0}.note-box p{margin:0}.method{background:#dfead2;color:#4c653b;border-radius:4px;padding:4px 7px;margin-right:9px;font-size:11px}.api-endpoint{display:flex;align-items:center;flex-wrap:wrap;gap:7px}.api-endpoint code{background:none}.table-scroll{overflow:auto}
@media(min-width:1450px){.hero{padding-top:65px;padding-bottom:48px}.preview-stage{height:400px}.control-panel{padding-top:29px}.workspace{grid-template-columns:353px minmax(0,1fr)}}
@media(max-width:1050px){.wrap{padding-left:25px;padding-right:25px}.hero-aside{display:none}.workspace{grid-template-columns:307px minmax(0,1fr)}.control-panel{padding:23px 20px 18px}.preview-panel{padding:23px 20px 0}.preview-stage{height:362px}.download-row{align-items:flex-start;flex-direction:column;gap:14px}.download-actions{align-self:flex-end}.preview-footer{flex-wrap:wrap}.preview-toolbar h2{font-size:12px}.small-tag{display:none}}
@media(max-width:740px){.wrap{padding-left:20px;padding-right:20px}.header{height:77px}.brand{font-size:20px;gap:8px}.brand-icon{height:32px;width:32px;border-radius:10px;font-size:31px}.brand-en{font-size:8px;margin-left:7px;letter-spacing:1px}.header nav{gap:18px;font-size:11px}.header nav a:first-child{display:none}.status{font-size:0;padding:7px;gap:0}.hero{padding:34px 0 30px}.eyebrow{font-size:7px;letter-spacing:1.7px;margin-bottom:18px}h1{font-size:32px;letter-spacing:-1px;margin-bottom:16px}.hero-copy{font-size:11px}.mobile-break{display:block}.workspace{grid-template-columns:1fr;border-radius:13px}.control-panel{padding:23px;border-right:0;border-bottom:1px solid var(--line)}.small-tag{display:block}.drop-zone{min-height:143px}.sample-row{margin-bottom:19px}.control-divider{margin-bottom:20px}.mode-options{grid-template-columns:1fr;gap:9px}.mode-card{padding:12px 9px;gap:7px}.mode-card strong{font-size:11px;gap:5px}.mode-card small{font-size:9px}.radio-mark{height:12px;width:12px}.recommended{font-size:7px}.advanced{margin:15px 0}.privacy-note{font-size:9px}.preview-panel{padding:22px 18px 0}.preview-toolbar{margin-bottom:16px}.preview-stage{height:340px}.preview-footer{padding-bottom:18px}.download-row{flex-direction:row;align-items:center;gap:12px;padding:19px 0}.download-row p{font-size:9px;line-height:1.6;max-width:128px}.download-actions{gap:12px;align-self:center}.download-button{font-size:10px;padding:9px 10px}.download-button span{margin-left:6px}.text-button{font-size:9px}.feature-strip{padding:25px 0;gap:16px;grid-template-columns:1fr}.feature-strip>div,.feature-strip>a{border-right:0;border-bottom:1px solid var(--line);padding:0 0 15px 0;display:grid;grid-template-columns:39px 1fr;gap:5px 0}.feature-strip>:first-child{padding-left:0}.feature-number{grid-row:span 2;padding-top:3px}.feature-strip h3{margin:0}.feature-strip p{font-size:10px}.site-footer{height:auto;min-height:75px;gap:15px;font-size:8px}.site-footer>a{white-space:nowrap}.footer-divider{margin:0 4px}.docs-layout{display:block;margin-top:32px}.docs-nav{position:static;display:flex;gap:5px;flex-wrap:wrap;margin-bottom:30px}.docs-nav strong{display:none}.docs-nav a{font-size:11px;padding:7px 10px}.docs-content h1{font-size:29px}.docs-content h2{font-size:19px}.code-block{padding:16px}.docs-table{font-size:11px}.docs-table td,.docs-table th{padding:10px 7px}}
/* Keep secondary copy readable on the light workspace. */
.file-hint,.sample-row,.mode-card small,.privacy-note,.result-meta,.download-row p,.empty-state p,.empty-chip,.feature-strip p,.site-footer{color:#65735e}
.step,.small-tag,.feature-number{color:#6b795f}
.result-badge,.background-picker>span,.advanced summary{color:#607153}
.file-hint,.mode-card small,.privacy-note,.result-meta,.download-row p,.feature-strip p,.site-footer{font-size:11px}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition:none!important;scroll-behavior:auto!important}}
.optimization-option{display:block;border:1px solid #dce4d1;border-radius:8px;padding:12px;margin-top:12px;font-size:12px;color:#355a40}.optimization-option input{accent-color:#355a40;margin-right:8px}.optimization-option span{display:block;font-size:10px;line-height:1.8;color:#64775b;margin-top:5px}

.mode-note{font-size:11px;line-height:1.7;color:#63715e;margin:12px 0}.mode-card small+small{margin-top:5px}.mode-card strong{flex-wrap:wrap}.mode-card{min-width:0}