\begin{document}$ 3 \; \rm km^2 $\end{document} with excellent angular resolution. For small zenith angles, we optimized the layout of 4-telescope cells and the full 32-telescope array. The energy threshold of the full array is approximately 200 GeV, which is particularly crucial for studying transient phenomena such as gamma-ray bursts (GRBs) and active galactic nuclei (AGNs). This study provides essential guidance for finalizing the LACT layout design and estimating performance under various observational conditions. It also highlights the potential of LACT for conducting deep observations of ultra-high energy γ-ray sources, performing morphological studies of PeVatrons, and advancing time-domain γ-ray astronomy."> Layout optimization and performance analysis of large array of imaging atmospheric Cherenkov telescopes -
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