:root{--bg: #f4f2ee;--paper: #ffffff;--ink: #1b1a17;--muted: #6b6862;--line: #e2ded6;--line-strong: #cfc9bd;--ok: #215c45;--ok-bg: #e8f2ec;--warn: #8a5a10;--warn-bg: #f7eedc;--bad: #9b1c1c;--bad-bg: #f8e8e6;--fill: #1b1a17;--fill-hot: #8a5a10;--radius: 8px;--max: 1080px}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--ink);font-family:IBM Plex Sans,Noto Sans TC,sans-serif;font-size:14px;line-height:1.5}button,input,textarea,select{font:inherit}a{color:inherit}.topbar{display:flex;align-items:center;gap:24px;height:52px;padding:0 24px;border-bottom:1px solid var(--line);background:var(--paper)}.brand{font-weight:600;letter-spacing:.02em}nav{display:flex;gap:4px}nav a{text-decoration:none;padding:4px 10px;border-radius:4px;color:var(--muted)}nav a.active{color:var(--ink);background:var(--bg)}.topbar-right{margin-left:auto;display:flex;align-items:center;gap:16px;color:var(--muted);font-size:12px}.page{max-width:var(--max);margin:0 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auto;padding:28px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius)}.error{color:var(--bad);font-size:13px;margin:8px 0 0}.split{display:grid;grid-template-columns:minmax(240px,1fr) 1.4fr;gap:12px}.guideline-card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px;margin-bottom:20px}.guideline-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer;-webkit-user-select:none;user-select:none}.guideline-header h3{margin:0;font-size:14px;font-weight:600;display:flex;align-items:center;gap:8px}.guideline-content{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:grid;grid-template-columns:1fr 1fr;gap:16px}.step-card{background:var(--bg);border-radius:6px;padding:12px 14px}.step-card h4{margin:0 0 6px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px}.step-card 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.2s ease;margin:12px 0}.dropzone:hover,.dropzone.active{border-color:#1b1a17;background:#f3f2eb}@media(max-width:800px){.split{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:none}.topbar{padding:0 16px;gap:12px}.page{padding:20px 16px 48px}.page-head{flex-direction:column;align-items:flex-start}}