:root{--primary: #1f3864;--primary-soft: #deebf7;--border: #d9d9d9;--bg: #f3f5f8;--text: #222;--muted: #6b7280}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Microsoft YaHei,PingFang SC,Segoe UI,sans-serif;font-size:14px}.app{max-width:1100px;margin:0 auto;padding:24px 16px 60px}.app-header{text-align:center;padding:28px 0 20px}.app-header h1{margin:0 0 8px;color:var(--primary);font-size:26px}.app-header p{margin:0;color:var(--muted)}main{display:flex;flex-direction:column;gap:16px}.card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:18px 20px;box-shadow:0 1px 3px #0000000a}.card h3{margin:0 0 12px;font-size:15px;color:var(--primary)}.upload-zone{border:2px dashed #b6c2d9;border-radius:10px;padding:34px 20px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:#fafcff}.upload-zone:hover,.upload-zone.dragging{border-color:var(--primary);background:#f0f5ff}.upload-zone.disabled{opacity:.6;cursor:not-allowed}.upload-icon{color:var(--primary);margin-bottom:8px}.upload-title{margin:0 0 6px;font-size:15px;font-weight:600;color:#333}.upload-hint{margin:0;font-size:12px;color:var(--muted)}.tutorial{margin:12px 0 0;font-size:13px}.tutorial summary{cursor:pointer;color:#2563eb;font-weight:600;padding:4px 0;-webkit-user-select:none;user-select:none}.tutorial-body{margin:10px 0 0}.tutorial-body img{display:block;width:100%;max-width:640px;height:auto;margin:0 auto;border:1px solid #e5e7eb;border-radius:8px}.tutorial-body figcaption{margin-top:8px;font-size:12px;color:var(--muted);line-height:1.6}.parse-info{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:14px;padding:10px 14px;background:#f0f6ff;border:1px solid #d5e4f7;border-radius:8px;font-size:13px}.error{color:#c00000;background:#fdf0f0;border:1px solid #f0c0c0;border-radius:8px;padding:10px 14px;margin-top:12px}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}.settings-hint{margin:0 0 10px;font-size:12px;color:#6b7280}.settings-grid label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:#444}.settings-grid small{font-weight:400;color:var(--muted)}.settings-grid input,.settings-grid select{padding:7px 9px;border:1px solid var(--border);border-radius:6px;font-size:13px}.settings-checks{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:14px;padding-top:12px;border-top:1px solid #eee}.settings-checks .check{display:flex;align-items:center;gap:6px;font-size:13px;color:#444;cursor:pointer}.table-wrap{overflow:auto;max-height:360px;border:1px solid #e5e5e5;border-radius:8px}.relation-table{width:100%;border-collapse:collapse;font-size:12.5px}.relation-table th,.relation-table td{padding:7px 10px;border-bottom:1px solid #eee;text-align:left;white-space:nowrap}.relation-table th{position:sticky;top:0;background:#f7f9fc;color:#444;z-index:1}.relation-table tr:hover td{background:#fafcff}.muted-note{margin:10px 0 0;font-size:12px;color:var(--muted)}.warnings{margin:0;padding-left:18px;color:#8a6d1a;font-size:13px}.preview-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}.preview-title{margin:2px 0 0;color:var(--muted);font-size:13px}.btn{border:1px solid var(--border);border-radius:8px;padding:9px 16px;background:#fff;cursor:pointer;font-size:13px;font-weight:600;color:#333;transition:background .15s}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:#2a4a83}.btn:disabled{opacity:.65;cursor:wait}.stats-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}.stats-row span{background:#f3f5f8;border:1px solid #e2e6ec;border-radius:999px;padding:4px 12px;font-size:12px;color:#444}.stats-row .ok{background:#eaf7ee;border-color:#b7e3c5;color:#1e7a3c}.stats-row .warn{background:#fdf3e7;border-color:#f0d0a0;color:#9c5a00}.banner{background:#fff8e6;border:1px solid #f0d9a0;color:#8a6d1a;border-radius:8px;padding:8px 12px;margin:0 0 10px;font-size:12.5px}.fix-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;background:#fdf3e7;border:1px solid #f0d0a0;border-radius:8px;padding:10px 12px;margin:0 0 10px;font-size:13px;color:#9c5a00}.fix-row .btn{flex-shrink:0}.chart-box{border:1px solid #e2e6ec;border-radius:8px;background:#fff;overflow:auto;padding:12px;max-height:720px}.chart-svg{min-width:100%;display:flex;justify-content:center}.chart-svg svg{max-width:100%;height:auto}.app-footer{text-align:center;color:var(--muted);font-size:12px;margin-top:28px}@media (max-width: 640px){.app{padding:14px 12px 40px}.app-header{padding:18px 0 14px}.app-header h1{font-size:21px}.card{padding:14px}.upload-zone{padding:26px 14px}.settings-grid{grid-template-columns:1fr}.parse-info{flex-direction:column;gap:6px}.preview-head{flex-direction:column;align-items:stretch}.preview-head .btn{width:100%}.chart-box{padding:8px;max-height:420px}.stats-row{gap:6px}.stats-row span{font-size:11px;padding:3px 10px}.table-wrap{max-height:300px}.relation-table{font-size:12px}.app-footer{font-size:11px}}