img{
    width: 100%;
    height: 100%;
}
.head_img{
    margin-bottom: 40px;
	width: 100%;
	height: 680px;
}
.content>ul{
    width: 1200px;
    margin: 0 auto;
}
.content>ul>li{
    position: relative;
    box-shadow: 4px 4px 12px 0px rgba(0,0,0,0.30); 
    margin-top: 30px;
    padding: 8px 100px 16px 16px;
    border-top: 8px solid transparent;
    height: 197px;
    background: #ffffff;
}
.content>ul>li:hover{
    border-top: 8px solid #017783;
    background-color: #C2C2C2;
}
.content>ul>li::after{
    content: '';
    display: block;
    position: absolute;
    right: 46px;
    top: 50%;
    width: 18px;
    height: 32px;
    background: url(../images/new_green_arrow.png);
}
.card .new_img{
    float: left;
    margin-right: 28px;
    width: 290px;
    height: 197px;
}
.card .right .title{
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 53px;
    font-size: 21px;
    font-weight: 700;
    color: #1F1F1F;
}
.card .right .content{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    height: 115px;
    font-size: 20px;
    color: #444444;
}
.card .right .time{
    position: relative;
    padding-left: 320px;
    margin-top: 10px;
    font-size: 14px;
    color: #909090;
}
.card .right .time .time_img{
    position: absolute;
    top: 3px;
    left: 320px;
    display: inline-block;
    width: 16px;
    height: 16px;
    background: url(../images/grey_time.png);
}
.card .right .time span{
    padding-left: 35px;
}
.content>ul>li:hover::after{
    background: url(../images/new_white_arrow.png);
}
.content>ul>li:hover .card .right .time .time_img{
    background: url(../images/white_time.png);
}
.content>ul>li:hover .card .title,
.content>ul>li:hover .card .content,
.content>ul>li:hover .card .time{
    color: #fff;
}