.leaderbox{
    margin: 1.6rem 0 2.4rem;
    padding: 4% 5%;
}
.leaderbox .bigtitle {
    margin-top: -4%;
    margin-bottom: 10%;
    line-height: 1.2;
    color: #2d2d2d;
}
.leaderbox .article {
    font-size: 15px;
    line-height: 26px;
    color: #414141;
}
.leaderbox .weui-cell__hd img, .leaderbox .weui-cell__ft img {
    display: inline;
    width: 100%;
    height: 100%;
}
.leaderbox .weui-cell__ft {
    padding-left: 8%;
    width: 30%;
}
.leaderbox i:nth-child(1)::before,.leaderbox i:nth-child(1)::after,
.leaderbox i:nth-child(2)::before,.leaderbox i:nth-child(2)::after{
    position: absolute;
    content: "";
    width: 0;
    height: 4px;
    background: #0090F0;
    transition: all 0.8s ease;
}
.leaderbox i:nth-child(1)::before{
    top: 0;
    left: 0;
}
.leaderbox i:nth-child(1)::after{
	width: 4px;
    height: 0;
    top: 0;
    right: 0;
}
.leaderbox i:nth-child(2)::before{
    bottom: 0;
    right: 0;
}
.leaderbox i:nth-child(2)::after{
	width: 4px;
    height: 0;
    bottom: 0;
    left: 0;
}
.leaderbox:hover i:nth-child(1)::before,.leaderbox:hover i:nth-child(2)::before{
	width: 100%;
}
.leaderbox:hover i:nth-child(1)::after,.leaderbox:hover i:nth-child(2)::after{
	height: 100%;
}