ifbol{
".turn_bg".addcss"turn_bg_night";
".gkc_bg".addcss"gkc_bg_night";
".free_book_text".addcss"free_book_text_night";
".gkc_book_text".addcss"gkc_book_text_night";
}else{
".turn_bg".removecss"turn_bg_night";
".gkc_bg".removecss"gkc_bg_night";
".free_book_text".removecss"free_book_text_night";
".gkc_book_text".removecss"gkc_book_text_night";
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