.main_body {  width:80%;  position: relative;  margin:0px auto;  font-family: 'Microsoft Yahei', '微软雅黑', '黑体', Tahoma, Verdana, "宋体";}

.header {
    background-color:#379be9;  color:white;  text-align:center;  padding:0;
    position: relative;  margin:0px auto;
}
.header img {margin:0px; height:auto;  width:auto; vertical-align:middle;}

.main_nav {  background-color:SkyBlue;  color:white;  text-align:center;  padding:5px;  position: relative;  margin:0px auto;  }
.main_nav ul {  list-style-type:none;  margin:0;  padding:0;  padding-top:2px;  padding-bottom:2px;  }
.main_nav li {  display:inline;  }
.main_nav ul a:link,a:visited {
    color:RoyalBlue;  background-color:SkyBlue;  text-align:center;
    padding:6px;  text-decoration:none;  text-transform:uppercase;
}
.main_nav ul a:hover,a:active {  background-color:#eeeeee; }

.main_left { background-color:#FAFAFA;  text-align:left; width:18%; float:left; margin:10px 0 0 0;}
.main_left .left_nav{ background-color: #EFFBFB; float:left; width:100%; height: 32px; }
.main_left .left_nav span{
    font-family: STKaiti,KaiTi,STFangsong,FangSong,'Microsoft Yahei', '微软雅黑';
    font-size:18px; font-weight:bold; display:inline-block; padding:6px 0 10px 5px; letter-spacing:4px;
}
.main_left .left_content{font-size:13px; font-weight:200; display:block; padding:40px 0 5px 5px; letter-spacing:1px;}
.main_left .left_content p {margin:0; padding: 8px 0 5px 0;font-family: STFangsong,FangSong,'Microsoft Yahei', '微软雅黑'; font-weight:bold; font-size: 14px}
.main_left .left_content li { padding: 0 0 2px 0;}
.main_left .left_content span {font-family: STFangsong,FangSong,'Microsoft Yahei', '微软雅黑'; font-weight:bold; font-size: 14px}
.main_left a:link,a:visited {
    color:#000000;  text-align:center;  padding:0;  text-decoration:none;  text-transform:uppercase;
}
.main_left a:hover,a:active {  background-color:SkyBlue; }

.main_right { background-color:#FFFFFF; float:left;  margin:5px 0 0px 0; width:82%; }
.main_right .right_box { width: 98%; margin:0 auto;}
.main_right .right_box .right_nav { background-color: #EFFBFB; float:left; width:100%; height: 36px; }
.main_right .right_box .right_nav span{
    font-family: STKaiti,KaiTi,STFangsong,FangSong,'Microsoft Yahei', '微软雅黑';
    font-size:18px; font-weight:bold; display:inline-block; padding:10px 0 10px 5px; letter-spacing:4px;
}
.main_right .right_content{font-size:13px; font-weight:200; display:block; padding:45px 0 5px 5px; letter-spacing:1px;}
.main_right p { text-indent: 2em; margin: 5px 0; letter-spacing: 1px; line-height:25px; font-size:14px;}
.main_right a {text-decoration:none; color:#00BFFF;}

.product_img {  margin:3px;     height:auto;  width:auto;  float:left;  text-align:center;  }
.product_img img {  display:inline;  margin:5px;  border:1px solid #bebebe;  height:180px}
.product_img a:hover img {  border:1px solid #333333;  }
.product_img .desc {  text-align:center;  font-weight:normal;  width:auto;  font-size:12px;  margin:10px 0px 10px 0px;  }

.footer {

    background-color:#379be9;  color:white;  clear:both;  text-align:center;
    padding:5px;    margin:0px auto;
}