body,td,th { font-size: 12px; }
body { font-size: 12px; font: 75%/150% verdana,ËÎÌå; color: #FFF; background:url(30ps_beijing.jpg) top center no-repeat #141517; margin:0px;}
img{border:0px;}
a { font-size: 12px; color:#FFFF33; }
a:link { text-decoration: none;}
a:visited { text-decoration: none; color: #FFFF33; }
a:hover { text-decoration: none; color: #FF0000; text-decoration:underline;}
a:active { text-decoration: none; color: #FF0000;}
ul {  margin:0 0 0 0; padding: 0; list-style: none; }


.main { margin:0 auto; width:1002px; overflow:hidden;}

.Main{width:1200px;height:80px; margin:0 auto 30px; position:relative; z-index:90;}
.Main_btn{width:1200px;height:80px; float:left; margin-top:15px;margin-bottom:20px}
.Main_btn1{width:300px;height:80px; float:left;background:url(downbtn-1.png) center top no-repeat; margin:0 0 0 40px;}
.Main_btn1 a{width:300px;height:80px; float:left;background:url(downbtn-1.png) center top no-repeat;}
.Main_btn1 a:hover{background-position:left bottom;margin-left:40px}
.Main_btn2{width:300px;height:80px; float:left;background:url(downbtn-2.png) center top no-repeat; margin:20PX 0 0 10px;}
.Main_btn2 a{width:300px;height:80px; float:left;background:url(downbtn-2.png) center top no-repeat;}
.Main_btn2 a:hover{background-position:left bottom;margin-left:40px}
.Main_btn3{width:300px;height:80px; float:left;background:url(downbtn-3.png) center top no-repeat; margin:20PX 0 0 10px;}
.Main_btn3 a{width:300px;height:80px; float:left;background:url(downbtn-3.png) center top no-repeat;}
.Main_btn3 a:hover{background-position:left bottom;margin-left:40px}


.head_8 { background:url(rar.jpg); float:left; width:247px; height:114px;  transition:0.5s; margin:0 0 0 8px;}
.head_8:hover { background-position:left -114px;}

.head_9 { background:url(exe.jpg); float:left; width:247px; height:114px;  transition:0.5s; margin:0 0 0 0px;}
.head_9:hover { background-position:left -114px;}

.head_10 { background:url(bd.jpg); float:left; width:247px; height:114px; background-position:left 0; transition:0.5s; margin:0px 0 0 00px;}
.head_10:hover { background-position:left -114px;}

.head_11 { background:url(cz.jpg); float:left; width:247px; height:114px; background-position:left 0; transition:0.5s; margin:0px 0 0 0px;}
.head_11:hover { background-position:left -114px;}