:root{--ink:#17201c;--muted:#718078;--line:#dce3df;--paper:#f5f7f5;--white:#fff;--accent:#176b4b;--accent2:#d9f06f;--danger:#a53b31}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei",Inter,system-ui,sans-serif;letter-spacing:0}.topbar{height:64px;padding:0 max(24px,calc((100vw - 1280px)/2));display:flex;align-items:center;justify-content:space-between;background:#17201c;color:#fff}.brand{display:flex;align-items:center;gap:10px;font-weight:700}.brand-mark{display:grid;place-items:center;width:28px;height:28px;background:var(--accent2);color:#17201c;font-family:Georgia,serif;font-size:18px}.local-badge{font-size:12px;color:#b9c4be;border:1px solid #435049;padding:5px 9px}.workspace{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(420px,.92fr);min-height:calc(100vh - 100px)}.preview-pane,.settings-pane{padding:30px}.preview-pane{border-right:1px solid var(--line);position:sticky;top:0;height:calc(100vh - 36px)}.settings-pane{background:var(--white)}.pane-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.pane-head>div{display:flex;align-items:center;gap:10px}.pane-head h1,.pane-head h2{font-size:18px;margin:0}.pane-head>span{color:var(--muted);font-size:12px}.step{font:700 11px monospace;color:var(--accent);border:1px solid #acd0be;padding:4px}.dropzone{height:calc(100% - 130px);min-height:420px;border:1px dashed #aebbb4;background:#edf1ee;display:grid;place-items:center;position:relative;overflow:hidden;cursor:pointer}.dropzone.drag{outline:3px solid var(--accent2);outline-offset:-4px}.dropzone input{display:none}#emptyState{text-align:center;display:flex;flex-direction:column;gap:8px;align-items:center;color:var(--muted)}#emptyState strong{color:var(--ink);font-size:16px}.upload-icon{display:grid;place-items:center;width:52px;height:52px;background:var(--white);border:1px solid var(--line);font-size:30px;color:var(--accent);margin-bottom:6px}#preview{display:none;width:100%;height:100%;object-fit:contain;background:#e6ebe7}.dropzone.has-image #preview{display:block}.dropzone.has-image #emptyState{display:none}.replace{display:none;position:absolute;right:12px;bottom:12px;background:rgba(23,32,28,.86);color:white;padding:8px 11px;font-size:12px}.dropzone.has-image:hover .replace{display:block}.result-bar{display:none;height:62px;background:#fff;border:1px solid var(--line);border-top:0;padding:10px 12px;align-items:center;justify-content:space-between}.result-bar.show{display:flex}.result-bar small{display:block;color:var(--muted);font-size:10px;margin-bottom:4px}.result-bar code{font-size:11px}.icon-button,.text-button{border:0;background:transparent;cursor:pointer}.icon-button{width:34px;height:34px;border:1px solid var(--line)}.text-button{color:var(--accent);font-size:12px}.block{padding:19px 0;border-top:1px solid var(--line)}.block h3{font-size:12px;text-transform:uppercase;color:#526159;margin:0 0 14px}.grid-2,.grid-3{display:grid;gap:12px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field span{font-size:11px;color:var(--muted)}input,select{height:38px;width:100%;border:1px solid #cbd5cf;background:#fff;border-radius:0;padding:0 10px;color:var(--ink);font:13px inherit;outline:none}input:focus,select:focus{border-color:var(--accent);box-shadow:0 0 0 2px #dbece4}.wide{width:100%}.inline-title{display:flex;justify-content:space-between}.switch input{display:none}.switch span{display:block;width:38px;height:21px;background:#bdc7c1;position:relative;cursor:pointer}.switch span:after{content:"";position:absolute;width:15px;height:15px;left:3px;top:3px;background:#fff;transition:.2s}.switch input:checked+span{background:var(--accent)}.switch input:checked+span:after{transform:translateX(17px)}.disabled{opacity:.4;pointer-events:none}.options{display:flex;flex-direction:column;gap:12px}.options h3{margin-bottom:2px}.options label{font-size:13px;display:flex;gap:9px;align-items:center}.options input{width:15px;height:15px;accent-color:var(--accent)}.primary{width:100%;height:50px;border:0;background:var(--accent);color:#fff;font-weight:700;display:flex;align-items:center;justify-content:space-between;padding:0 18px;cursor:pointer}.primary b{font-size:21px}.primary:disabled{background:#a8b4ae;cursor:not-allowed}.error{color:var(--danger);font-size:12px;min-height:16px;margin:8px 0}footer{text-align:center;font-size:11px;color:var(--muted);padding:12px;border-top:1px solid var(--line);background:#fff}@media(max-width:850px){.workspace{display:block}.preview-pane{position:relative;height:auto;border-right:0;padding:20px}.dropzone{height:42vh;min-height:290px}.settings-pane{padding:20px}.grid-3{grid-template-columns:1fr 1fr}.topbar{padding:0 20px}}@media(max-width:480px){.grid-2,.grid-3{grid-template-columns:1fr}.dropzone{min-height:250px}.preview-pane,.settings-pane{padding:16px}}