:root{--bg: #f5f7fb;--card: #ffffff;--text: #1f2937;--muted: #6b7280;--primary: #2563eb;--primary-d: #1d4ed8;--border: #e5e7eb;--ok: #16a34a;--warn: #d97706;--err: #dc2626;--pending: #6366f1}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.wrap{max-width:720px;margin:0 auto;padding:24px 16px 64px}.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:24px;box-shadow:0 1px 3px #0000000a}h1{font-size:22px;margin:0 0 4px}h2{font-size:16px;margin:0 0 12px}.sub{color:var(--muted);font-size:13px;margin:0 0 20px}.field{margin-bottom:16px}.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}.field .hint{color:var(--muted);font-size:12px;font-weight:400}input[type=text],input[type=email],input[type=number],textarea,select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:9px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1f}textarea{resize:vertical;min-height:110px}.row{display:flex;gap:12px}.row>.field{flex:1}button{font-family:inherit;font-size:15px;font-weight:600;border:none;border-radius:9px;padding:12px 18px;cursor:pointer;background:var(--primary);color:#fff;transition:background .15s}button:hover:not(:disabled){background:var(--primary-d)}button:disabled{opacity:.55;cursor:not-allowed}button.ghost{background:#eef2ff;color:var(--primary-d)}button.ghost:hover:not(:disabled){background:#e0e7ff}.msg{padding:12px 14px;border-radius:9px;font-size:14px;margin-bottom:16px}.msg.err{background:#fef2f2;color:var(--err);border:1px solid #fecaca}.msg.ok{background:#f0fdf4;color:var(--ok);border:1px solid #bbf7d0}.msg.info{background:#eff6ff;color:var(--primary-d);border:1px solid #bfdbfe}.files{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.file-chip{display:inline-flex;align-items:center;gap:6px;background:#f3f4f6;border:1px solid var(--border);border-radius:999px;padding:4px 10px;font-size:13px}.file-chip button{background:none;color:var(--err);padding:0 2px;font-size:15px;line-height:1}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600;color:#fff}.badge.pending,.badge.generating{background:var(--pending)}.badge.processing{background:var(--warn)}.badge.done{background:var(--ok)}.badge.failed{background:var(--err)}.progress{text-align:center;padding:12px 0}.spinner{width:36px;height:36px;margin:8px auto 14px;border:4px solid #e5e7eb;border-top-color:var(--primary);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600}a.dl{color:var(--primary-d);text-decoration:none;font-weight:600}a.dl:hover{text-decoration:underline}.center{text-align:center;padding:40px 0;color:var(--muted)}code{background:#f3f4f6;padding:2px 7px;border-radius:6px;font-size:13px;color:var(--text);word-break:break-all}