.gap {height:80px;clear:both;display:block;}
.sub-tit { margin-bottom:32px; font-size:28px; font-weight:400;}
.sub-tit{color:#2f59a1;}
.sub-tit:before{    display: block; width: 1rem; height: 0.3rem; border-radius:32px; margin-bottom: 0.8rem; background-color: #2f59a1; content: '';}
@media only screen and (max-width:768px) {
     .gap {height:30px;clear:both;display:block;}
}