body { font-family:"微软雅黑"; }
.container { width:100%; margin:0 auto;}

.header_box { width:100%;  position:relative; z-index:10; background:url(../images/h_bj_1.jpg); height:100px;}
.header { width:1200px; height:100px; margin:0 auto;}
.logo { width:305px; height:67px; float:left; margin-top:15px;}
.logo img { width:305px; height:67px;}
.menu { width:850px; height:100px; float:right;}
li.top_menu { width:auto; height:100px; line-height:100px; float:left; position:relative;}
li.top_menu a { display:block;  padding: 0 28px; height:100px; line-height:100px;  font-size:15px;}
li.home a {  border:none; height:100px; line-height:100px;}
li.top_menu a:hover { color:#FFF; background: #b5140c; }
ul.son_menu { position:absolute; left:0; top:100px; }
ul.son_menu li { width:228px; height:42px; }
ul.son_menu li a { display:block; width:228px; padding-left:34px;   height:42px; border:none;  line-height:42px; t color:#FFF; font-size:14px; margin:0; background: #b5140c url(../images/h_m.gif) no-repeat 20px center; color:#FFF; font-weight:400;}
ul.son_menu li a:hover { background: #b5140c url(../images/h_m.gif) no-repeat 20px center; font-weight:bolder; }
ul.son_menu { display:none;}
li.top_menu:hover ul.son_menu { display:block;}