.category_box{
    margin:20px 0;
    padding:20px;
    overflow:hidden;
}
.category_box .category_list{
    overflow:hidden;
    float:left;
}
.category_box .category_list li{
    float:left;
    padding:15px 10px;
    position:relative;
    font-size:16px;
    font-family:'Microsoft YaHei';
    color:#999;
    margin:0 20px;
    cursor:pointer;
}
.category_box .category_list li .bottom_border{
   position:absolute;
   bottom:0;
   left:0;
   width:100%;
   height:4px;
   display:block;
   display:none;
}
.category_box .category_list li.on .bottom_border{
    display:block;
}
.category_box .search_box{
    float:right;
}
.search_box{
    position:relative;
    width:260px;
}
.search_box input{
    width:100%;
    height:40px;
    padding-left:10px;
    border-radius:4px;
    box-sizing:border-box;
}
.search_box button{
    position:absolute;
    right:0;
    bottom:0px;
    color:#fff;
    font-size:14px;
    font-family:SimSun;
    border:none;
    width:60px;
    height:40px;
    border-radius:0 4px 4px 0;
}

.news_list{
    max-height:1150px;
    min-height:600px;
    overflow:hidden;
}
.news_list li{
    float:left;
    overflow:hidden;
    width:394px;
    box-sizing:border-box;
    padding:20px 0;
    cursor:pointer;
}
.news_list li:nth-child(odd){
    margin-right:30px;
}
.news_list li .new_img{
    float:left;
    width:84px;
    height:84px;
    background:#808080;
}
.news_list li .new_img img{
    width:84px;
    height:84px;
}
.news_list li .new_box{
    float:left;
    padding-left:10px;
    box-sizing:border-box;
    width:310px;
    font-family:SimSun;
    font-size:12px;
    line-height:1.5em;
}
.news_list li .new_box .new_title{
    font-size:16px;
    color:#333;
    cursor:pointer;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
/*.news_list li .new_box .new_title:hover{
    color:#e83632;
}*/
.news_list li .new_box .new_time{
   color:#bbb;
}
.news_list li .new_box .new_detail{
    color:#999; 
    padding-top:12px;
    position: relative;
      max-height: 3em;
}