html{background:#ffffff;color:#000;}body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,form,input,textarea,p{margin:0;padding:0;}img{border:0;}ol,ul{list-style:none;}h1,h2,h3{font-weight:normal;font-size:100%;}q:before,q:after{content:'';}abbr,acronym{border:0;font-variant:normal;}sup{vertical-align:text-top;}sub{vertical-align:text-bottom;}input,textarea,select{font-weight:inherit;font-size:inherit;font-family:inherit;}input,textarea,select{*font-size:100%;}legend{color:#000;}a{color:inherit;text-decoration:none;}
/*******CSS reset*************/
body{color:#444;font-size:14px;font-family:'Microsoft YaHei',SimHei,SimYou,SimSun,Arial;background:url('../images/top_bj.jpg') top left repeat-x;}
.f12{font-size:12px;}
.f16{font-size:16px;}
.bold{font-weight:bold;}
.white{color:#fff;}
.left{float:left;}
.right{float:right;}
.t_r{text-align:right;}
.clear{clear:both;}
.relative{position:relative;}
.absolute{position:absolute;}
.rel_center{position:relative;left:50%;}
.hidden{display:none;}
.Newstime{ float:right;}

.top_back{width:100%;height: auto;}

.header{ width:100%; height:auto;overflow:hidden; }




.main_b10k{ width:100%; height: auto; margin:0px auto; overflow:hidden;background:url('../images/i_bj2.jpg') top left repeat; padding-top:0px; position:relative; }
.main_b10{ width:100%; height: auto; margin:0px auto; overflow:hidden;  }
.main_b102{ width:100%; height:859px;  margin:0px auto; overflow:hidden;background:url('../images/main_b102.png') top center no-repeat; }



.main_b20k{ width:100%; height: auto; margin:0px auto; overflow:hidden;padding-top:20px;}
.main_b20{ width:1200px; height: auto; margin:0px auto; overflow:hidden; padding-top:200px; }


.main_b20_one{ width:381px; height: 381px; float:left; overflow:hidden; position:absolute; top: 51px;left: 514px; }
.main_b20_one ul{ width:381px; height: 381px; float:left; }
.main_b20_one ul li{ width:381px; height:381px; float:left;line-height:30px; padding-bottom:10px;  font-size:16px; font-weight:bold; }
.main_b20_one ul li a{ width:301px; height:231px; float:left; background:url('../images/one_yuan.png') top center no-repeat; padding-top:150px; padding-left:40px; padding-right:40px; }
.main_b20_one ul li a:hover{ width:301px; height:231px; float:left; background:url('../images/one_yuan2.png') top center no-repeat;padding-top:150px; padding-left:40px; padding-right:40px; color:#FFF;transition:1s;}



.main_b20_two{ width:381px; height: 381px; float:left;  overflow:hidden; position:absolute; top: 1px;left: 879px; }
.main_b20_two ul{ width:381px; height: 381px; float:left;  }
.main_b20_two ul li{width:381px; height:381px; float:left; line-height:30px;  font-size:16px;font-weight:bold;}
.main_b20_two ul li a{ width:301px; height:231px; float:left;background:url('../images/two_yuan.png') top center no-repeat; padding-top:150px; padding-left:40px; padding-right:40px; }
.main_b20_two ul li a:hover{ width:301px; height:231px; float:left;background:url('../images/two_yuan2.png') top center no-repeat;padding-top:150px; padding-left:40px; padding-right:40px; color:#FFF;transition:0.3s;}



.main_b20_three{ width:381px; height: 381px; float:left; overflow:hidden; position:absolute;  top: 438px;left: 584px;  }
.main_b20_three ul{ width:381px; height: 381px; float:left; }
.main_b20_three ul li{ width:381px; height:381px; float:left; line-height:30px; font-size:16px; font-weight:bold;background:url('../images/three_jpg.png') bottom center no-repeat;}
.main_b20_three ul li a{ width:341px; height:231px; float:left;background:url('../images/three_yuan.png') top center no-repeat; padding-top:150px; padding-left:20px; padding-right:20px; }
.main_b20_three ul li a:hover{ width:341px; height:231px; float:left;background:url('../images/three_yuan2.png') top center no-repeat;padding-top:150px; padding-left:20px; padding-right:20px; color:#FFF;transition:1s;}

.main_b20_four{ width:381px; height: 381px; float:left; overflow:hidden; position:absolute;     top: 366px;left: 956px;  }
.main_b20_four ul{ width:381px; height: 381px; float:left; }
.main_b20_four ul li{ width:381px; height:381px; float:left; line-height:30px; font-size:16px; font-weight:bold;background:url('../images/three_jpg.png') bottom center no-repeat;}
.main_b20_four ul li a{ width:341px; height:231px; float:left;background:url('../images/four_yuan.png') top center no-repeat; padding-top:150px; padding-left:20px; padding-right:20px; }
.main_b20_four ul li a:hover{ width:341px; height:231px; float:left;background:url('../images/four_yuan2.png') top center no-repeat;padding-top:150px; padding-left:20px; padding-right:20px; color:#FFF;transition:1s;}