body,div,ul,ol,li,dl,dt,dd,span,p,h1,h2,h3,h4,h5,h6,img,form,table,tr,td,th,label{margin:0;padding:0;}
body{font-size:12px; font-family:宋体;color:#676768; background:#000;}
img{border:none;}
ol,ul,li{list-style:none;}
a{color:#676768;text-decoration:none;}
a:hover{color:#4f4f4f;text-decoration:none;}
.left{float:left;}
.right{float:right;}
.clear{clear:both;}

.plist{width:725px; height:auto; margin-top:12px; overflow:hidden;}
.plist ul{width:auto;}
.plist ul li{width:221px; height:183px; margin-right:20px; float:left; overflow:hidden;}
.plist ul li img{width:221px; height:147px;}
.plist ul li span{display:block; width:221px; height:34px; line-height:34px; text-align:center; overflow:hidden;}

#nav {width:1002px; height:33px; background:url(../images/nav.jpg) no-repeat left top; overflow:hidden;margin:0px auto; font-family:Arial, Helvetica, sans-serif;}
#nav li {float: left; display:inline;}
#nav li a{ display:block; height:33px;}
#nav li ul {left: -999em;position: absolute;}
#nav li ul li{background: #efefef;}
#nav li ul li a{color:#000;text-align:left;height:28px; line-height:28px; padding-left:38px;}
#nav li ul li a:hover {color:#fff;background-color:#747273;}

#nav li a.b1{width:126px;}

#nav li a.b2{width:125px;}
#nav li.a2 ul{width:122px; padding-left:1px;}
#nav li.a2 li{width:122px;}

#nav li a.b3{width:126px;}
#nav li.a3 ul{width:124px;padding-left:1px;}
#nav li.a3 li{width:124px;}

#nav li a.b4{width:124px;}
#nav li.a4 ul{width:122px;padding-left:1px;}
#nav li.a4 li{width:122px;}

#nav li a.b5{width:125px;}
#nav li.a5 ul{width:122px;padding-left:1px;}
#nav li.a5 li{width:122px; float:left;}

#nav li a.b6{width:126px;}
#nav li.a6 ul{width:124px;padding-left:1px;}
#nav li.a6 li{width:124px;}

#nav li a.b7{width:125px;}
#nav li.a7 ul{width:122px;padding-left:1px;}
#nav li.a7 li{width:122px;}

#nav li a.b8{width:125px;}
#nav li.a8 ul{width:122px;padding-left:1px;}
#nav li.a8 li{width:122px;}

#nav li:hover ul {left: auto; }
#nav li.sfhover ul {left: auto;filter:alpha(opacity=90); opacity: 0.9;}

#nav li.sfhover a{background:url(../images/nav.jpg) no-repeat left top;}
#nav li.sfhover a.b1{background-position: left -33px;}
#nav li.sfhover a.b2{background-position: -126px -33px;}
#nav li.sfhover a.b3{background-position: -251px -33px;}
#nav li.sfhover a.b4{background-position: -377px -33px;}
#nav li.sfhover a.b5{background-position: -501px -33px;}
#nav li.sfhover a.b6{background-position: -626px -33px;}
#nav li.sfhover a.b7{background-position: -752px -33px;}
#nav li.sfhover a.b8{background-position: -877px -33px;}

#nav li.sfhover ul li a{ background-image:none;}

.a_1{background::url(../images/nav.jpg) left -43px;}

/*#nav {width:1002px; height:33px; background:url(../images/nav.jpg) no-repeat left top; overflow:hidden;margin:0px auto; font-family:Arial, Helvetica, sans-serif;}
#nav li {float: left; display:inline;}
#nav li a{ display:block; height:33px;}
#nav li ul {left: -999em;position: absolute;}
#nav li ul li{background: #efefef;}
#nav li ul li a{color:#000;text-align:left;height:28px; line-height:28px; padding-left:38px;}
#nav li ul li a:hover {color:#fff;background-color:#747273;}

#nav li a.b1{width:126px;}

#nav li a.b2{width:125px;}

#nav li a.b3{width:126px;}

#nav li a.b4{width:124px;}

#nav li a.b5{width:125px;}

#nav li a.b6{width:126px;}

#nav li a.b7{width:125px;}

#nav li a.b8{width:125px;}

#nav li:hover ul {left: auto; }
#nav li.sfhover ul {left:auto;filter:alpha(opacity=90); opacity: 0.9;}

#nav li.sfhover a{background:url(../images/nav.jpg) no-repeat left top;}
#nav li.sfhover a.b1{background-position: left -33px;}
#nav li.sfhover a.b2{background-position: -126px -33px;}
#nav li.sfhover a.b3{background-position: -251px -33px;}
#nav li.sfhover a.b4{background-position: -377px -33px;}
#nav li.sfhover a.b5{background-position: -501px -33px;}
#nav li.sfhover a.b6{background-position: -626px -33px;}
#nav li.sfhover a.b7{background-position: -752px -33px;}
#nav li.sfhover a.b8{background-position: -877px -33px;}
*/