.b_bg{width:100%; height:500px;min-width: 1200px;
    /*margin-top:83px;*/
}
.about{width:98%;  margin: 0 auto;height:450px;}
.a_txt{width:57%;height:100%;text-align: center;float: right;color:#fff;padding:5%;box-sizing: border-box;}
.a_txt>h2{font-size: 24px;display: inline-block;padding-bottom:5px;border-bottom: 1px solid #fff;}
.a_txt>p{ font-size:15px;line-height: 30px;margin:4% auto; }
/*新闻列表页*/
.l_news1_img{height:330px;overflow: hidden;}
.l_news1_img>img{width: 100%;height:100%;}
/*.l_news1_txt{padding-left:200px;background: url("../img/news2_p1.png") no-repeat}*/
.l_news1_pt{padding:1% 0;border-bottom: 1px dotted #ddd; width: 99%; overflow:hidden; }
.l_news1_pt:hover{background-color:rgba(243,243,243,0.5);border-radius: 2px; }
.l_news1_pt:hover .news_txt_title {color:#05aafa;}
.news_txt_title{font-size: 18px;}
.news_txt_intro{font-size: 15px;color:#5c5c5c;}

.l_news1_p1>a{display:block;height:140px;}
.l_news1_p1>a>img{width:100%;vertical-align: middle;}
.l_news1_p1{width: 20%;}
.l_news1_txt{width: 70%;padding:1% 3% 0;line-height: 30px;}
.l_news1_pt li{float:left;}

.news_date{float:right;margin-top:20px;}

/*产品列表页*/
.man-list-box{width: 28.5%;height: 310px;margin:1.5%;background-color: #fff;position: relative;text-align: center;
    box-shadow: 0px 2px 16px rgba(0, 0, 0, 0.1);float:left; overflow: hidden;padding:1%;box-sizing: border-box;}
.person-second{color: #999999;}
.prod_title{font-size:20px;margin:13px 0;}
.introduce{color: #444;padding: 0 15px;overflow: hidden;text-align: left;line-height: 25px !important;font-size:15px;}
.man-list-box:hover{box-shadow: 0px 2px 16px rgba(0, 0, 0, 0.3);}

/*内页框架结构*/
.about_tt{ width:1102px; height:22px; margin:60px auto 18px; text-align:center}
.about_tt2{width:1102px; margin:0px auto 0px; text-align:center; font-size:30px; color:#05aafa; font-weight:bold; line-height:40px;}
.left_navbg{ width:100%; height:60px; background:url(../img/left_navbg.png) repeat-x; margin-top:10px; min-width:1102px;}
.lef_nav{ width:1102px; height:40px; margin:0 auto;}
.path { display:block; float:left; line-height:40px;}
.path span{ font-size:28px; color:#05aafa;}
.path i{ font-size:13px; font-family:Arial, Helvetica, sans-serif; color:#333; padding-left:8px; text-transform:uppercase}
.gmenu{ height:40px; display:block; float:right}
.gmenu ul  {float: left;height: 40px;text-align: center; line-height:40px;}
.gmenu .cur { color:#05aafa; height:40px;}
.gmenu  li {float: left; padding:0px 13px; font-size:18px; color:#333; line-height:40px;}
.gmenu  li a {color: #333;}
.gmenu  li a:hover{color: #05aafa;}
.gmenu .cur a {color: #05aafa;}
.jiamen{ width:1102px; min-height: 296px; overflow:hidden; margin:40px auto; border-bottom:1px dashed #e5e5e5}
.jiamen_tt{ line-height:40px; text-align:center; font-size:30px; color:#000; }
.jiamen_con{ padding:20px 0px 70px; overflow:hidden; line-height:35px; color:#333;font-size:16px; }