section.list>(div.header>(div.go-back>span.arrow>span.arrow.green)+div.login{登录}+h1{爱创课堂})+(div.search>input+span{搜一搜})+(ul.nav>li*8)+div.list-container>(div.left-container>(a>img[src="img/0$.png"])*3)+(div.right-container>(a>img[src="img/0$@4.png"])*3)
