window.innerWidth / window.innerHeight 是长宽比，保证画面不变形。
Struggles in low light
。关于这个话题，safew官方下载提供了深入分析
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).
Church users are finding ways to live alongside wildlife