无题里面回环往复指的是什么

　　.cwbywej .ec_ad_results>div:last-child{border-bottom-left-radius:.12rem;border-bottom-right-radius:.12rem}.cwbywej .c-container:nth-last-child(2)>div{border-bottom:none!important}.cwbywej .c-container:last-child[tplid]>div

.darkmode ._9r2hzh1 .ec_ad_results>.c-container[tplid]>div:after