:root{--bg:#f6f7f9;--surface:#ffffff;--surface-muted:#eef2f6;--text:#1f2937;--muted:#667085;--border:#d7dce2;--accent:#0f766e;--accent-strong:#0b5f59;--danger:#b42318;--warning:#b54708;--success:#167647;--shadow:0 10px 24px rgba(31,41,55,0.08)}*{box-sizing:border-box}body,html{min-height:100%;margin:0}body{background:var(--bg);color:var(--text);font-family:Arial,PingFang SC,Microsoft YaHei,sans-serif;letter-spacing:0}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}.app-shell{width:min(1480px,calc(100vw - 32px));margin:0 auto;padding:24px 0 48px}.topbar{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:18px 0 22px;border-bottom:1px solid var(--border)}.topbar h1{margin:0;font-size:24px;line-height:1.2}.field span,.file-drop span,.metric span,.summary-item span,.topbar p,.topbar-total span{color:var(--muted);font-size:13px}.topbar p{margin:6px 0 0}.topbar-total{min-width:180px;text-align:right}.topbar-total strong{display:block;margin-top:4px;color:var(--accent-strong);font-size:28px}.workflow-grid{display:grid;grid-template-columns:minmax(300px,1.2fr) minmax(300px,1fr) minmax(280px,.8fr);grid-gap:16px;gap:16px;margin-top:18px}.data-section,.panel{background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:var(--shadow)}.panel{padding:16px}.section-title{display:flex;align-items:center;justify-content:space-between;min-height:28px;margin-bottom:14px}.section-title h2{margin:0;font-size:16px;line-height:1.3}.file-grid,.form-grid,.metric-grid{display:grid;grid-gap:12px;gap:12px}.file-grid,.form-grid,.metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.field{display:grid;grid-gap:6px;gap:6px}.field.wide{margin-top:12px}.field input,.field textarea,td input,td select{width:100%;border:1px solid var(--border);border-radius:6px;background:#fff;color:var(--text);outline:none}.field input{height:38px;padding:0 10px}.field textarea{min-height:76px;resize:vertical;padding:10px}.field input:focus,.field textarea:focus,td input:focus,td select:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(15,118,110,.13)}.file-drop{display:grid;min-height:96px;align-content:center;grid-gap:8px;gap:8px;padding:14px;border:1px dashed #9aa6b2;border-radius:8px;background:var(--surface-muted)}.file-drop input{width:100%}.file-drop strong{min-height:18px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.toolbar{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:38px;padding:0 14px;border-radius:6px;border:1px solid transparent;white-space:nowrap}.primary-button{background:var(--accent);color:#fff}.primary-button:hover:not(:disabled){background:var(--accent-strong)}.secondary-button{background:#fff;border-color:var(--border);color:var(--text)}.secondary-button:hover:not(:disabled){border-color:var(--accent);color:var(--accent-strong)}.metric{display:grid;grid-gap:4px;gap:4px;min-height:64px;padding:10px;background:var(--surface-muted);border-radius:8px}.metric strong{font-size:22px}.issue-list{display:grid;grid-gap:8px;gap:8px;max-height:178px;margin-top:12px;overflow:auto}.issue{display:flex;align-items:flex-start;gap:8px;padding:9px 10px;border-radius:8px;font-size:13px;line-height:1.45}.issue.empty{margin-top:12px;background:#ecfdf3;color:var(--success)}.issue.error{background:#fef3f2;color:var(--danger)}.issue.warning{background:#fffaeb;color:var(--warning)}.summary-band{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));grid-gap:1px;gap:1px;margin-top:18px;overflow:hidden;border:1px solid var(--border);border-radius:8px;background:var(--border)}.summary-item{display:grid;grid-gap:6px;gap:6px;min-height:76px;padding:14px;background:var(--surface)}.summary-item strong{font-size:20px}.summary-item.total{background:#ecfdf3}.summary-item.total strong{color:var(--accent-strong)}.data-layout{display:grid;grid-gap:16px;gap:16px;margin-top:18px}.data-section{padding:16px}.table-wrap{width:100%;overflow:auto;border:1px solid var(--border);border-radius:8px}table{width:100%;min-width:840px;border-collapse:collapse;background:#fff}td,th{border-bottom:1px solid var(--border);padding:8px;text-align:left;vertical-align:top;font-size:13px}th{position:-webkit-sticky;position:sticky;top:0;z-index:1;background:#f1f5f9;color:#344054;font-weight:700}td input,td select{min-width:96px;height:32px;padding:0 8px}.formula{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}@media (max-width:980px){.file-grid,.form-grid,.workflow-grid{grid-template-columns:1fr}}@media (max-width:640px){.app-shell{width:min(100vw - 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