.content_box{width: 1200px;margin: 0 auto;}
.main_content{width: 100%;border-radius: 5px;font-size: 12px;}
h1{font-weight: normal;font-size: 14px;color: #333;}

/* main中每个单元的公共样式 */
.main_item{width: 100%;background: #fff;margin-bottom: 20px;border-radius:5px;padding: 20px;color: #333;position: relative;}
.main_item_title{height: 30px;line-height: 30px;margin-bottom: 20px;}
.main_item_title_lt{float: left;font-size: 18px;color: #2A6BDC;font-weight: bold;}
.main_item_title_rt{float: right;font-size: 12px;color: #999;}
a:hover{cursor: pointer;color: red;}

.main_item_content li{margin-bottom: 15px;font-size: 0;}
.main_item_content li span{display: inline-block; font-size: 16px;vertical-align: middle;}
span.aboutus_title{margin-right: 15px;width: 70px;}