.headder{background:#fff;height:80px;box-shadow:0 2px 4px 0 hsla(0,0%,76.5%,.3)}.head-cont{padding:15px 25px 0 25px}.head-cont>.pointer:hover{cursor:pointer}.logo-lk>a{line-height:40px}.logo-lk>i{margin-right:5px;font-weight:700}.logo-lk .link-home{font-size:16px;color:#000;letter-spacing:2px}.school_friends_serve{margin-top:6px;width:124px;font-size:14px;letter-spacing:0}.school_friends_serve,.train-test button{height:36px;background:#348efc;border-radius:3px;color:#fff;line-height:36px;text-align:center}.train-test button{width:120px;padding:0}.train-test>a,.train-test>span{display:inline-block;vertical-align:top;line-height:36px;color:#338efc;margin-right:30px;cursor:pointer}.footer{background-color:#3a486f}.i_copyright{line-height:16px;color:#fff;padding:14px 0;text-align:center;white-space:pre}.main{min-height:calc(100vh - 164px);padding:25px 0 0}.main button{border-width:0}.main .pointer{cursor:pointer}