.process_box{width:100%; margin:50px 0;}
.process_box li{float:left; width:25%; padding:0 10px; box-sizing:border-box; }
.process_box li div{border:1px solid #ddd; border-radius:5px; height:350px; text-align:center; padding-top:90px; box-sizing:border-box;}
.process_box li img{margin-bottom:27px;}
.process_box li p{font-size:16px; color:#555; font-weight:200;}
.process_box li p:nth-child(2){font-weight:500; margin-bottom:15px;}

.download{margin-bottom:30px;}
.download_subtitle{font-size:16px; margin-bottom:10px;}
.download_name{margin:0 100px 30px 10px; font-size:16px; float:left; line-height:1.8em; color:#555; font-weight:200;}
.box{margin-bottom:250px;}
.down_box .icon{border:1px solid #ddd; width:270px; float:left; margin-right:20px; border-radius: 5px; overflow: hidden;}
.down_box .icon a{display:block;}
.down_box .icon span{margin-right:30px;}


@media screen and (max-width:1200px){
	.process_box li{width:50%; margin-bottom:20px;}
	.down_box{width:270px; margin:0 auto;}
	.down_box .icon{margin-right:0;}
}
@media screen and (max-width:768px){}
@media screen and (max-width:600px){
	.process_box li{width:100%; }
	.process_box li div{height:260px; padding-top:30px;}
}
@media screen and (max-width:370px){}