.teach-content-tag li { position: relative; min-width: auto; padding: 0 .3rem;}
.teach-content-tag li::after { position: absolute; top: .15rem; right: 0; z-index: 1; width: 1px; height: .25rem; background: #d6d6d6; content: "";}
.teach-content-tag li:last-child::after { display: none;}
.teach-content-tag li.on::after { opacity: 0;} 
@media screen and (min-width: 1025px) {
.teach-article .teach-head .img { transform: translate(-.16rem, -.3rem); box-shadow: 0 0 .1rem 0 rgba(0, 0, 0, 0.15); border-radius: .16rem 0 .16rem 0; overflow: hidden;}
.teach-article .teach-head { padding: 0; margin: .2rem 0 0 .16rem;}
.teach-article .teach-head .text { padding: .35rem 0 0;}
}