doi是怎么生成的,._9r2hzh1,.ec_ad_results>.c-container[tplid]>div:after{background:url(＂data:image/svg+xml;base64

　　phn2zyb4bwxucz0iahr0cdovl3d3dy53my5vcmcvmjawmc9zdmciighlawdodd0imsi+pgxpbmugedi9ijewmcuiihn0cm9rzt0ii2uwztblmcivpjwvc3znpg==");content:" ";display:block;height:1px}._9r2hzh1 .ec-recom-wrapper+.c-container[tplid]>div:before{margin-bottom:.135rem}.darkmode ._9r2hzh1 .ec-recom-wrapper+.c-container[tplid]>div:before

div:after" src="/tvtwhpjr/OIP-C.0Gpg0COurQex_Ogr0sS0EgHaBP">
phn2zyb4bwxucz0iahr0cdovl3d3dy53my5vcmcvmjawmc9zdmciighlawdodd0imsi+pgxpbmugedi9ijewmcuiihn0cm9rzt0ii2uwztblmcivpjwvc3znpg==");content:" ";display:block;height:1px}._9r2hzh1 .c-container:last-child[tplid]>div:after

0)