*,*:before,*:after{box-sizing:border-box}:root{--bg: #f4f6f9;--card: #ffffff;--text: #1a1d26;--muted: #6b7280;--border: #e2e8f0;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--radius: 10px;--shadow: 0 1px 3px rgba(0, 0, 0, .08)}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}.app{max-width:960px;margin:0 auto;padding:24px 16px 48px}.header{margin-bottom:24px}.header h1{margin:0 0 8px;font-size:1.75rem}.subtitle{margin:0;color:var(--muted);font-size:.95rem}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow)}.card h2{margin:0 0 12px;font-size:1.1rem}.hint{margin:0 0 12px;color:var(--muted);font-size:.85rem}.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px;text-align:center;transition:border-color .2s,background .2s;cursor:pointer}.upload-zone.dragover{border-color:var(--primary);background:#eff6ff}.upload-icon{font-size:2rem;margin-bottom:8px}.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-size:inherit;text-decoration:underline;padding:0}.file-list{list-style:none;margin:12px 0 0;padding:0}.file-list li{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg);border-radius:6px;margin-top:6px;font-size:.9rem}.file-list .remove-file{background:none;border:none;color:var(--danger);cursor:pointer;font-size:.85rem}.keyword-row{display:grid;grid-template-columns:1fr repeat(3,auto) auto;gap:10px;align-items:center;padding:12px;background:var(--bg);border-radius:8px;margin-bottom:8px}@media(max-width:768px){.keyword-row{grid-template-columns:1fr}}.keyword-row input[type=text]{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:6px;font-size:.95rem}.checkbox{display:flex;align-items:center;gap:6px;font-size:.85rem;color:var(--muted);white-space:nowrap;cursor:pointer}.checkbox input{cursor:pointer}.btn{padding:10px 20px;border:none;border-radius:8px;font-size:.95rem;cursor:pointer;transition:background .2s}.btn.primary{background:var(--primary);color:#fff}.btn.primary:hover:not(:disabled){background:var(--primary-hover)}.btn.secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn.secondary:hover:not(:disabled){background:#e8ecf1}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.danger{background:none;color:var(--danger);border:1px solid var(--danger);padding:6px 12px;font-size:.85rem}.actions{display:flex;gap:12px;flex-wrap:wrap}.options{display:flex;flex-direction:column;gap:10px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{border:1px solid var(--border);padding:10px 12px;text-align:left;vertical-align:top}th{background:var(--bg);font-weight:600;white-space:nowrap}td.empty{color:var(--muted)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);background:#1a1d26;color:#fff;padding:12px 24px;border-radius:8px;font-size:.9rem;z-index:1000;box-shadow:0 4px 12px #0003}.toast.error{background:var(--danger)}.toast.success{background:#059669}