* {
    padding: 0;
    margin: 0;
}


header {
    font-size: 35px;
    font-weight: bold;
    color: #14409d;
	    text-align: center;
    line-height: 55px;
}

#app {
    width: 100%;
    display:flex;
    flex-wrap:wrap;
    position: relative;
	/*float:right;*/
}

.box {
    width: 25%;
    overflow: hidden;
    background: #f6f6f6;
    box-sizing: border-box;
    /*padding: 0 15px 0 15px;*/
}

.box a {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #535353;
    text-decoration: none;
    position: relative;
}

.box a:hover {
    color: #14409d;
}

.imgBox {
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.imgBox img {
    width: 100%;
    height: 180px;
    transition: all 0.6s linear;
}

.sour_box{ padding:15px 15px 25px; text-align:center}
.source {
    border: 1px solid #535353;
    padding: 6px 20px;
    border-radius: 25px;
	font-size: 16px;
	font-weight: bold;
	display: inline-block;
	line-height: 22px;
	
}

.title {
    margin-bottom: 20px;
    font-size: 20px;
}

.detail {
    font-size: 14px;
    line-height: 160%;
    text-align: justify;
    width: 100%;
	margin-top: 15px;
	height: 90px;
	overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;
}

/*鼠标hover效果*/

.box>a::after {
    content: '';
    width: 100%;
    position: absolute;
    background: #14409d;
    bottom: 0;
    height: 0px;
    transition: height 0.3s linear;
    /*利用伪类高度，实现动画效果*/
}

.box>a:hover::after {
    height: 10px;
}

.box:hover img {
    transform: scale(1.15);
}

.box:hover .source {
    background: #14409d;
    border-color: #14409d;
    color: #ffffff;
}


#apd {
    width: 975px;
    display: flex;
    justify-content: space-between;
    position: relative;
	float:right;
}

#apq {
    width: 975px;
    display: flex;
    justify-content: space-between;
    position: relative;
	float:right;
}