layout title key mode header article_header sidebar article Plog page-plog immersive theme dark type theme background_color background_image overlay dark #203028 gradient src linear-gradient(135deg, rgba(34, 139, 87 , .4), rgba(139, 34, 139, .4)) https://github.com/Yuleii/Yuleii.github.io/raw/master/pictures/plog_cover.JPG nav plog
