.main_publications{margin:0}
.pub_box{width:319px;margin-left:62px;margin-bottom:60px;float:left;display:inline;overflow:hidden;}
.pub_box a{display:block;height:200px;width:90%;margin:20px auto;text-align:center;}
.pub_box img{max-width:100%;max-height:100%; display:inline-block;}
.pub_box p{width:80%;margin:0 auto 20px;text-align:center;color:#005634;line-height:18px;}
.line{height:5px;position:relative;display:block;background: url(images/line.png) repeat-x 0 1px;}
.line i{display: block;width: 4px;height: 5px;background: url(images/line_p.png) no-repeat 0 0;position: absolute;top: 0;}
.line i.line_l{left:0;}
.line i.line_r{right:0;}
@media screen and (max-width: 1210px){
	.line{background: url(images/line_x2.png) repeat-x 0 2px;background-size:20px 2px;}
	.line i{background: url(images/line_p_x2.png) no-repeat 0 0;background-size:4px 5px;}
	.main_publications,.main{margin:0 20px;}
	.main_publications .pub_box{width:28%;height:auto;margin-left:2.4%;}
	.pub_box a{height:180px;}
}

@media screen and (max-width: 960px){
	.pub_box a{height:160px;}
}

@media screen and (max-width: 768px){
	.pub_box a{height:130px;}
}