Analyze China's idle land reclamation legal framework based on the Dongguan case where 1.7 billion RMB paid land was reclaimed. Outline: 1) Key provisions of 'Measures for the Disposal of Idle Land' (MLR Order No.53); 2) Judicial review standards for administrative reclaim decisions; 3) Common corporate defenses and success rates; 4) Draft a model land development timeline compliance checklist for enterprises.