.about_content {
    padding: 30px 0;
    padding-top:0px;
    width: 1100px;
    margin: 0 auto;
    position: relative;
    min-height: 200px;
}
.about_left {
    width: 290px;
}
.floatleft, .left {
    float: left;
}
.about_right {
    width: 750px;
}
.floatright, .right {
    float: right;
}


.about_content{overflow: hidden;}
     .w3_wi {
        height: 42px; width:100%; display:block;background: #c90000;
           padding-top:0px;
    position: relative;
   
    }
.w3_wi .w3{height: 42px;line-height: 42px;color: #fff;background: #c90000;padding: 0 20px;font-weight: bold;  width: 1100px;
    margin: 0 auto;}
.w3_wi .w3 a{ font-size: 13px;color: #fff;font-weight: normal;}
.w3 .pos {
    float: right;
    font-weight: 500;
}

.about_descipt {
    font-size: 16px;
 
    line-height: 28px;
  
    position: relative;
}
.clear {
    clear: both;
}
.pic_div {
    margin-top:10px;
}
.pic_div ul li{  float:left;  text-align: center;
    margin: 0 10px 10px 0; 
    margin-left: 5px;  display:block; width:265px;
    margin-right: 5px;
    position: relative; cursor:pointer;}
.pic_div ul li a{color:#333;}
.pic_div ul li img{border: 1px solid #f3f3f3;margin: 0 0 0px 0;width:263px; }
 .pic_div .nodata{ color:#999; line-height:80px; text-align:center; }

.about_p2{font-size: 16px;color: #000000;padding:20px}
.about_p2 h1{margin:auto; text-align:center;}
.about_div{padding-top: 20px;}
.about_div ul li{  float:left;  text-align: center;
    /* margin: 0 10px 10px 0; */
    margin-left: 5px;  min-height:293px; display:block; width:540px;
    margin-right: 5px;
    position: relative;}
.about_div ul li img{border: 1px solid #cec7c7;margin: 0 0 0px 0;width:538px; }
.about_div ul.about_ul1 li img{margin: 0 0 6px 0;}
.about_div ul.about_ul1 li.current img{border:1px solid #f00; }