.main{width:1100px;margin:0 auto;padding: 20px 0;}
.content{background: #fffcf7;padding:20px;font-size:16px;color:#333;}
.courses .part{margin-bottom: 10px;}
.part .part_title{margin-bottom: 10px;font-weight: bold;font-size:18px;}
.courses .img_list img{width:250px;margin:15px 50px 0 0;}
.part .red{color:#db5a6b;font-weight: bold;}
.action{margin-top:15px;height:30px;text-align: center;}
.action a{display:inline-block;height:30px;width:180px;line-height:30px;background: #409eff;
border-radius: 5px;color:#fff;font-size:14px;font-weight: bold;}
.action a:hover{text-decoration: none;background:#1885f2;}