:root{--bg:#faf8f4;--paper:#fff;--ink:#272723;--muted:#898780;--line:#e9e5de;--orange:#e96741;--soft:#f3eee6;--green:#4f8063}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;font-size:14px;-webkit-font-smoothing:antialiased}button,textarea,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.wrap{max-width:1360px;margin:auto;padding-left:48px;padding-right:48px}.header{height:104px;display:flex;align-items:center;gap:48px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:18px;letter-spacing:.02em}.brand-icon{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--orange);color:white;font-size:29px}.brand small{display:block;font-size:9px;font-weight:500;letter-spacing:.23em;margin-top:5px;color:var(--muted)}nav{display:flex;gap:32px;margin-left:auto;font-size:13px}nav a{color:var(--muted);padding:12px 0}nav a:hover,nav .nav-active{color:var(--ink)}nav a span{padding-left:6px}.health{font-size:11px;display:flex;align-items:center;gap:7px;color:var(--muted);padding:8px 12px;background:var(--soft);border-radius:20px;white-space:nowrap}.health i{width:6px;height:6px;border-radius:50%;background:#a6a39a}.health.ready i{background:var(--green)}.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;padding:58px 0 44px}.eyebrow{display:flex;align-items:center;gap:9px;font-size:9px;letter-spacing:.17em;color:var(--muted);font-weight:600}.eyebrow span{width:6px;height:6px;background:var(--orange);border-radius:50%}h1{font-family:"Songti SC","Noto Serif SC",SimSun,serif;font-size:51px;line-height:1.4;font-weight:500;letter-spacing:-.025em;margin:18px 0 0}.accent{color:var(--orange)}.hero-copy{align-self:end;padding:0 0 6px 20px}.hero-copy p{font-size:15px;line-height:1.9;color:#77746e;margin:0 0 25px}.steps{display:flex;align-items:center;gap:15px;font-size:11px}.steps b{color:var(--orange);font-size:10px;margin-right:6px;font-weight:500}.steps em{color:#c5c0b7;font-style:normal}.workspace{display:grid;grid-template-columns:1fr 1.05fr;align-items:start;gap:25px}.input-column{display:flex;flex-direction:column;gap:20px}.panel{border:1px solid var(--line);border-radius:17px;background:var(--paper);overflow:hidden;box-shadow:0 4px 20px #41351a03}.panel-head{height:69px;padding:0 23px;display:flex;align-items:center;justify-content:space-between;gap:12px}.panel-head>div{display:flex;align-items:center;gap:10px}.number{font-size:10px;color:var(--orange);font-weight:600;padding:5px 6px;background:#fbefe9;border-radius:5px}.panel-head h2{font-size:14px;font-weight:600;margin:0}.micro{font-size:10px;color:var(--muted)}.source-view{height:260px;margin:0 20px;position:relative;border-radius:11px;overflow:hidden;background:#2e2924;cursor:pointer;outline-offset:3px}.source-view>img{width:100%;height:100%;object-fit:cover;object-position:center 53%;transition:opacity .2s}.source-view.has-file>img{object-fit:contain}.source-shade{position:absolute;inset:0;background:linear-gradient(0deg,#21180dd6,transparent 80%)}.source-view.has-file .source-shade{background:linear-gradient(0deg,#21180db3,transparent 70%)}.image-tag{position:absolute;top:14px;left:14px;padding:5px 9px;background:#fffdf2db;border-radius:5px;font-size:9px}.upload-overlay{position:absolute;inset:auto 10px 22px;text-align:center;color:#fff;pointer-events:none}.upload-overlay strong{font-size:12px;font-weight:500;display:block;line-height:1.8}.upload-overlay small{font-size:9px;color:#d4cec8;display:block;margin-top:4px}.upload-icon{display:block;font-size:26px;margin-bottom:7px}.source-view.has-file .upload-overlay{opacity:0}.source-view.has-file:hover .upload-overlay{opacity:1}.source-view.dragging{outline:3px solid var(--orange);outline-offset:2px}.source-foot{height:54px;padding:0 23px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:10px;color:var(--muted)}.text-button{border:0;padding:0;background:none;font-size:11px;color:var(--orange);white-space:nowrap}.text-button:hover{text-decoration:underline}.prompt-panel{padding-bottom:13px}.prompt-panel textarea{display:block;resize:vertical;margin:0 20px;padding:15px 16px;background:#fbfaf7;border:1px solid #eeebe4;border-radius:9px;width:calc(100% - 40px);height:156px;font-size:12px;line-height:1.95;color:#57544e;outline-color:var(--orange)}.prompt-panel textarea.expanded{height:440px}.prompt-foot{display:flex;justify-content:space-between;padding:11px 23px 17px;font-size:9px;color:var(--muted)}.prompt-foot .text-button{font-size:10px}.output-spec{margin:0 20px;padding:13px 0;border-top:1px solid var(--line);display:flex;gap:15px;align-items:center;font-size:10px;color:var(--muted)}.output-spec b{font-weight:500;color:#53514c}.output-spec>span+span::before{content:'·';margin-right:15px;color:#c0bbb2}.primary{display:flex;align-items:center;justify-content:space-between;width:calc(100% - 40px);margin:0 20px;background:var(--orange);color:#fff;border:0;padding:15px 18px;border-radius:9px;font-size:13px;font-weight:600;transition:background .2s}.primary:hover{background:#d65632}.primary:disabled{background:#e8b8a7}.primary>span+span{font-size:20px;line-height:15px}.fine-print{text-align:center;color:var(--muted);font-size:10px;margin:11px 20px 0;line-height:1.6}.result-view{margin:0 20px;background:#f7f5f0;border:1px dashed #e3ded4;border-radius:11px;aspect-ratio:3/4;position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center}.empty-result,.progress-result{text-align:center;padding:28px;color:var(--muted)}.frame-mark{height:69px;width:58px;margin:0 auto 27px;border:1px solid #d5cec2;border-radius:8px;position:relative;display:grid;place-items:center;font-size:29px;color:#b9a993;transform:rotate(-7deg)}.frame-mark::before{content:'';position:absolute;inset:5px -7px -5px 7px;border:1px solid #e1dbd0;border-radius:8px;z-index:-1}.empty-result h3,.progress-result h3{font-size:15px;color:#625d54;font-weight:500;margin:0 0 12px}.empty-result p,.progress-result p{font-size:11px;line-height:1.9;margin:0}.empty-pills{display:flex;justify-content:center;gap:7px;margin-top:25px}.empty-pills span{padding:6px 9px;background:#eeebe4;border-radius:5px;font-size:9px;color:#969080}#result-image{width:100%;height:100%;object-fit:contain;position:absolute;inset:0;background:#f1ede7}.result-foot{padding:22px 23px;display:flex;align-items:center;justify-content:space-between;gap:12px}.result-foot strong{font-size:11px;font-weight:500;display:block}.result-foot small{display:block;font-size:9px;margin-top:7px;color:var(--muted)}.download{display:inline-flex;gap:15px;align-items:center;border:1px solid var(--line);border-radius:7px;padding:10px 12px;font-size:11px;white-space:nowrap}.download.disabled{color:#b4b0a8;pointer-events:none}.download:not(.disabled):hover{border-color:var(--orange);color:var(--orange)}.api-banner{margin:0 20px 20px;padding:18px 14px;border-radius:9px;background:#f8f5ee;display:flex;align-items:center;gap:12px}.code-icon{font-family:monospace;font-size:17px;color:#a69b89}.api-banner strong{font-size:11px;font-weight:500}.api-banner p{font-size:9px;color:var(--muted);margin:7px 0 0}.api-banner>a{font-size:10px;color:#8c7661;margin-left:auto;white-space:nowrap}.below{padding:36px 0 33px;display:flex;align-items:center;justify-content:space-between;gap:20px}.below>span{font-family:SimSun,serif;font-size:17px;color:#7b7368}.below p{font-size:10px;color:#9e978a}.footer{border-top:1px solid var(--line);min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:9px;color:#979187}.footer i{margin:0 6px;font-style:normal}.footer>a{color:#777168}.spinner{width:38px;height:38px;border-radius:50%;border:2px solid #e7ddd0;border-top-color:var(--orange);animation:spin 1.2s linear infinite;margin:0 auto 24px}@keyframes spin{to{transform:rotate(360deg)}}.elapsed{display:block;font-size:10px;color:#9d8e78;margin-top:14px}.stage-list{display:flex;align-items:center;justify-content:center;gap:8px;font-size:10px;margin:30px 0 25px}.stage-list i{display:block;width:18px;height:1px;background:#ddd5c8}.stage-list span.current{color:var(--orange);font-weight:600}.progress-result>small{font-size:9px;color:#aaa291}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);max-width:90vw;background:#292722;color:white;padding:13px 21px;border-radius:10px;font-size:12px;box-shadow:0 8px 25px #0002;z-index:50}.history-section{padding-top:35px}.section-title{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.section-title h2{font-size:15px;margin:0}.section-title>span{font-size:10px;color:var(--muted)}.history-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}.history-card{padding:0;border:1px solid var(--line);background:var(--paper);border-radius:10px;overflow:hidden;text-align:left}.history-card img{display:block;width:100%;aspect-ratio:3/4;object-fit:cover}.history-card>span{display:block;padding:11px;font-size:10px;color:var(--muted)}.sr-only{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}:focus-visible{outline:2px solid var(--orange);outline-offset:4px}
/* Developer documentation uses the same quiet, paper-like visual system. */
.docs-hero{padding:50px 0 35px}.docs-hero h1{font-size:40px;margin-top:15px}.docs-hero>p{color:var(--muted);line-height:1.9}.docs-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:48px;padding-bottom:60px}.docs-side{align-self:start;position:sticky;top:25px;border-left:1px solid var(--line)}.docs-side a{display:block;padding:10px 20px;font-size:12px;color:#79736b}.docs-side a:hover{color:var(--orange)}.doc-section{scroll-margin-top:25px;margin:0 0 38px}.doc-section h2{font-size:22px;margin:0 0 15px}.doc-section p,.doc-section li{font-size:13px;line-height:1.9;color:#787168}.doc-section ul{padding-left:20px}.doc-section pre{overflow:auto;background:#292b2b;color:#e8e8de;padding:23px;border-radius:12px;font-size:12px;line-height:1.8;position:relative;white-space:pre}.doc-section code{font-family:Consolas,monospace;font-size:.94em}.doc-section p code{color:var(--orange);background:#f2ece3;padding:2px 5px;border-radius:4px}.endpoint{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);padding:16px;border-radius:9px;font-family:Consolas,monospace;margin-bottom:15px;overflow:auto;white-space:nowrap}.method{font-size:10px;font-weight:600;color:var(--green);background:#edf5ef;padding:5px 7px;border-radius:4px}.method.post{color:var(--orange);background:#fbefe9}.doc-note{padding:14px 18px;background:#f1ece2;border-radius:9px;font-size:12px;color:#85745e;line-height:1.9}.doc-table{width:100%;border-collapse:collapse;font-size:12px}.doc-table th{text-align:left;color:#8c8375;font-weight:500;background:#f1eee7}.doc-table th,.doc-table td{padding:13px 12px;border-bottom:1px solid var(--line);line-height:1.6}.doc-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:20px 0}.doc-flow>div{border:1px solid var(--line);border-radius:9px;padding:15px;background:#fff;font-size:11px;line-height:1.8}.doc-flow b{color:var(--orange);display:block;font-size:10px;font-weight:500;margin-bottom:5px}.doc-tabs{display:flex;gap:6px}.doc-tabs button{background:transparent;border:1px solid var(--line);padding:7px 13px;border-radius:6px;font-size:11px;color:var(--muted)}.doc-tabs button.selected{background:var(--ink);color:white;border-color:var(--ink)}.copy-code{float:right;font-size:11px;color:var(--orange);border:0;background:none;padding:7px;cursor:pointer}
@media(min-width:1400px){.result-view{aspect-ratio:3/3.65}}@media(max-width:1000px){.wrap{padding-left:28px;padding-right:28px}.header{gap:25px}.health{display:none}h1{font-size:42px}.hero{gap:20px}.hero-copy{padding-left:0}.hero-copy p{font-size:13px}.steps{gap:9px}.steps em{display:none}.workspace{gap:18px}.panel-head{padding:0 18px}.result-foot{align-items:flex-start;flex-direction:column}.download{align-self:flex-end}.api-banner{flex-wrap:wrap}.api-banner>a{margin-left:30px}.below{align-items:flex-start;flex-direction:column;gap:0}.history-grid{grid-template-columns:repeat(4,1fr)}.docs-layout{grid-template-columns:150px minmax(0,1fr);gap:25px}.doc-flow{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.wrap{padding-left:18px;padding-right:18px}.header{height:82px;gap:12px}.brand{font-size:15px;gap:9px}.brand-icon{width:34px;height:34px;font-size:25px}.brand small{font-size:8px}nav{gap:15px;font-size:11px}.hero{grid-template-columns:1fr;padding:35px 0 30px;gap:20px}h1{font-size:40px;margin-top:13px;line-height:1.35}.eyebrow{font-size:8px}.hero-copy p{margin:0 0 15px;line-height:1.9}.hero-copy br{display:none}.steps{gap:12px}.workspace{grid-template-columns:1fr;gap:20px}.source-view{height:270px}.result-view{aspect-ratio:3/4}.result-foot{flex-direction:row;align-items:center}.result-foot strong{font-size:10px}.result-foot small{font-size:8px}.api-banner{flex-wrap:nowrap;gap:8px}.api-banner>a{margin-left:auto;font-size:9px}.api-banner strong{font-size:10px}.api-banner p{font-size:8px}.footer{padding-top:20px;padding-bottom:20px;flex-wrap:wrap;gap:12px;min-height:80px}.footer>span:nth-child(2){display:none}.history-grid{grid-template-columns:repeat(3,1fr)}.docs-layout{display:block}.docs-side{display:flex;position:static;overflow:auto;border-left:0;border-bottom:1px solid var(--line);margin-bottom:25px}.docs-side a{white-space:nowrap;padding:10px}.docs-hero{padding-top:30px}.docs-hero h1{font-size:34px}.doc-table th,.doc-table td{padding:10px 7px;font-size:11px}.doc-section pre{padding:17px;font-size:11px}.doc-section h2{font-size:20px}.doc-flow{grid-template-columns:repeat(2,1fr)}}

.reference-control{padding:8px 23px 14px;display:grid;gap:9px}.reference-control label{font-size:11px;color:var(--muted);display:flex;justify-content:space-between}.reference-control b{color:var(--orange)}.reference-control input{width:100%;accent-color:var(--orange)}.reference-control small{font-size:10px;line-height:1.7;color:var(--muted)}

.compare-panel{padding:22px;border-top:1px solid #e9e2d7}.compare-toolbar,.share-controls{display:flex;justify-content:space-between;gap:12px;align-items:center;flex-wrap:wrap}.comparison{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:16px 0;--split:50%}.comparison figure{margin:0;min-width:0;position:relative}.comparison img{width:100%;height:100%;object-fit:contain;display:block;max-height:70vh;background:#eee9e1}.comparison figcaption{position:absolute;left:8px;top:8px;background:#fffE;padding:4px 10px;border-radius:6px;font-size:12px}.comparison.drag-compare{display:block;position:relative;overflow:hidden;background:#eee9e1}.drag-compare figure:first-child{position:relative}.drag-compare figure:last-child{position:absolute;inset:0;clip-path:inset(0 0 0 var(--split))}.drag-compare figure:last-child figcaption{left:auto;right:8px}.compare-panel input[type=range]{width:100%;accent-color:#d35a31}.compare-panel input[readonly]{width:100%;padding:12px;border:1px solid #ddd;border-radius:8px;font:inherit}.share-page{max-width:1050px;margin:40px auto;padding:20px}.share-page h1{font-size:30px}.share-page .comparison{align-items:stretch}.share-page a{color:#c74e29}

.account-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:16px 0;border-bottom:1px solid #e8e2d8;font-size:14px}.account-bar>div{display:flex;gap:16px;flex-wrap:wrap}dialog{border:1px solid #e6dfd2;border-radius:18px;width:min(520px,90vw);padding:26px;background:#fcfaf5;color:#27251e}dialog::backdrop{background:#25211d77}dialog select,dialog input{display:block;width:100%;padding:12px;margin:12px 0;border:1px solid #d5cec1;border-radius:8px;font:inherit}dialog p{line-height:1.7;font-size:14px}#payment-qr{display:block;width:240px;max-width:100%;margin:16px auto}#checkout-link{display:block;text-align:center;color:#c44d27}#key-list>div,#ledger-list>div{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid #e8e2d8;font-size:13px}#wallet-close,#records-close{float:right}.footer{flex-wrap:wrap}