"# Model Architecture Specification" Input: 3x64x64 ConvBlock1: Conv2d(3→16, 3×3), ReLU, MaxPool ConvBlock2: Conv2d(16→32, 3×3), ReLU, MaxPool ConvBlock3: Conv2d(32→64, 3×3), ReLU, GlobalAvgPool FC1: 64 → 32 → ReLU FC2: 32 → 2 Loss: CrossEntropy