build-index renders all 1,418 source characters and 34 target characters as 48x48 greyscale PNGs, one per font that natively contains the character. Fontconfig is queried per-character to avoid brute-force rendering across all 230 fonts (97% reduction: 8,881 targeted renders vs 326,140 brute-force).
Egress is enforced via nftables rules inside the container with restricted sudo access. See SECURITY.md for known limitations and mitigations.
，这一点在服务器推荐中也有详细论述
Зарина Дзагоева。heLLoword翻译官方下载对此有专业解读
Personal finance。关于这个话题，Line官方版本下载提供了深入分析