body { font-size:12px; font-family:Arial,Verdana,"宋体";}
body,form,h1,h2,h3,ul,table,td{margin:0;padding:0;}
a:link{color:#000; text-decoration:underline;}
a:visited{color:#D10000; text-decoration:none;}
a:hover{color:#D10000; text-decoration:underline;}
a:active{color:#000; text-decoration:none;}
#header{width:900px;margin:0 auto;}
    #top{height:110px;}
        #logo{width:350px; height:110px;text-align:center;float:left;}
            #logo img{border:0;margin-top:10px;}
        #top_letters{width:200px;height:110px;float:left;background:url(../images/home/top_letters.gif) no-repeat center;}
        #top_service{width:270px;height:110px;float:right;background:url(../images/home/bg_top_tel.gif) no-repeat center 100%;}
        #top_service ul{list-style-type:none;width:146px;height:28px;background:url(../images/home/bg_top_toolbar.gif) no-repeat; float:right;margin-right:10px;}
        #top_service ul li{float:left;width:70px; height:28px;line-height:28px;text-align:center;}
    #nav{height:38px;background:url(../images/home/bg_top_nav.gif) no-repeat;}
        #nav ul{ list-style-type:none;}
        #nav ul li{width:90px;height:38px;line-height:38px;float:left; text-align:center;}
        #nav ul li a{color:White;font-size:14px; text-decoration:none;}
    #nav_bt{height:37px;background:url(../images/home/bg_top_nav_bt.gif) no-repeat;}
        #nav_bt #clock{width:350px;height:37px;line-height:37px;float:left; text-align:center;}
        #nav_bt #user_login{width:370px;float:left;padding-top:5px;}
        .user_loged{height:30px;line-height:30px;}
        #nav_bt #user_login label{width:50px;} 
        .user_login_txt{width:100px;height:18px;background-color:#fff;border:1px solid #ccc;}
        .btn_submit{width:50px;height:22px;background:url(../images/home/btn_login.gif) no-repeat;border:0;}
        #nav_bt #smcar{}
        
        
 .cimg{overflow:hidden;text-align:center;margin:auto;vertical-align:middle;display:block;}
.cimg .s{vertical-align:middle;width:0px;border:0;height:100%;display:inline-block;}
.cimg img{vertical-align:middle;border:0;display:inline;}