:root{--bg:#f4f6f3;--panel:#fff;--surface-soft:#f7f9f6;--border:#dfe5df;--border-strong:#cbd4cc;--ink:#17251d;--ink-soft:#47594e;--ink-muted:#78877d;--accent:#147a50;--accent-dark:#0e6440;--accent-soft:#e7f3ec;--success:#147a50;--danger:#b5483f;--shadow:0 7px 24px #1930230d;--sans:"Avenir Next", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--heading:"Songti SC", "STSong", "Iowan Old Style", serif;font:15px/1.5 var(--sans);color:var(--ink-soft);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{background:var(--bg);min-height:100%}body{min-width:320px;min-height:100vh;margin:0}button,input,textarea{letter-spacing:0}#root{width:min(1180px,100% - 32px);margin:0 auto}h1,h2,h3{color:var(--ink);font-family:var(--heading);letter-spacing:0;font-weight:650;line-height:1.18}h1{font-size:42px}p{margin:0}@media (width<=680px){#root{width:min(100% - 24px,1180px)}h1{font-size:34px}}.app-shell{flex-direction:column;display:flex}.topbar{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;min-height:64px;display:flex}.brand{color:var(--ink);align-items:center;gap:10px;font-weight:700;text-decoration:none;display:inline-flex}.brand-mark{color:#fff;background:var(--accent);border-radius:6px;place-items:center;width:34px;height:34px;display:grid}.logout-button{border:1px solid var(--border);min-height:36px;color:var(--ink-soft);font:650 12px var(--sans);cursor:pointer;background:#fff;border-radius:6px;align-items:center;gap:7px;padding:0 11px;display:inline-flex}.logout-button:hover{border-color:var(--border-strong);color:var(--ink)}.login-shell{place-items:center;width:100%;min-height:100vh;padding:32px 0;display:grid}.login-panel{border:1px solid var(--border);background:var(--panel);width:min(420px,100%);box-shadow:var(--shadow);border-radius:8px;padding:32px}.login-brand{border-bottom:1px solid 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var(--border);background:var(--panel);box-shadow:var(--shadow);border-radius:8px}.form-panel{padding:24px}.panel-heading,.result-toolbar>div:first-child{align-items:flex-start;gap:12px;display:flex}.panel-heading{margin-bottom:24px}.panel-heading h2,.result-toolbar h2,.config-title h2{margin:0 0 5px;font-size:20px}.panel-heading p,.result-toolbar p,.config-title p{color:var(--ink-muted);font-size:13px}.step-index{width:28px;height:28px;color:var(--accent);background:var(--accent-soft);font:700 11px var(--sans);border-radius:50%;flex:none;place-items:center;display:grid}.field{gap:8px;margin-bottom:18px;display:grid}.field>span{color:var(--ink);font-size:13px;font-weight:650}input,textarea{border:1px solid var(--border-strong);width:100%;color:var(--ink);font:inherit;background:#fff;border-radius:6px;padding:12px 13px;transition:border-color .2s,box-shadow .2s}textarea{resize:vertical;min-height:145px;line-height:1.6}input:focus,textarea:focus,button:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.input-with-icon{position:relative}.input-with-icon svg{color:var(--ink-muted);position:absolute;top:50%;left:12px;transform:translateY(-50%)}.input-with-icon input{padding-left:40px}.or-divider{color:var(--ink-muted);align-items:center;gap:10px;margin:4px 0 14px;font-size:11px;display:flex}.or-divider:before,.or-divider:after{content:"";background:var(--border);flex:1;height:1px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.upload-zone{border:1px dashed var(--border-strong);background:var(--surface-soft);width:100%;min-height:132px;color:var(--ink);cursor:pointer;border-radius:7px;place-items:center;margin-bottom:21px;display:grid}.upload-zone:hover{border-color:var(--accent);background:var(--accent-soft)}.upload-zone strong{margin-top:8px;font-size:13px}.upload-zone small{color:var(--ink-muted);margin-top:3px}.upload-icon{width:42px;height:42px;color:var(--accent);background:var(--accent-soft);border-radius:50%;place-items:center;display:grid}.file-summary{border:1px solid var(--border);min-height:72px;color:var(--accent);background:var(--surface-soft);border-radius:7px;grid-template-columns:auto 1fr auto;align-items:center;gap:11px;margin-bottom:21px;padding:12px;display:grid}.file-summary div{min-width:0;display:grid}.file-summary strong{color:var(--ink);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.file-summary span{color:var(--ink-muted);font-size:12px}.icon-button{width:32px;height:32px;color:var(--ink-muted);cursor:pointer;background:0 0;border:0;border-radius:5px;place-items:center;display:grid}.segment-group{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.segment{border:1px solid var(--border);min-height:64px;color:var(--ink-muted);text-align:left;cursor:pointer;background:#fff;border-radius:6px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:8px;padding:10px;display:grid}.segment.active{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}.segment span{min-width:0;display:grid}.segment strong{color:var(--ink);font-size:13px}.segment small{color:var(--ink-muted);text-overflow:ellipsis;white-space:nowrap;font-size:10px;overflow:hidden}.radio-dot{border:1px solid var(--border-strong);border-radius:50%;width:10px;height:10px}.segment.active .radio-dot{border:3px solid var(--accent);background:#fff}.primary-button,.secondary-button,.icon-text-button{min-height:42px;font:650 13px var(--sans);cursor:pointer;border-radius:6px;justify-content:center;align-items:center;gap:8px;display:inline-flex}.primary-button{border:1px solid 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