.headbox{height:121px; background:url(http://www.mtvtop.net/2008/images/Header_bg.gif);}
.grouphead{height:65px;background-position:left 1px;}/*针对圈子的头部*/
.head_block1{ height:65px; width:953px;margin:0 auto;overflow:hidden;}
.head_block2{ height:30px; width:953px;margin:0 auto;overflow:hidden;}
.head_block3{ height:26px; width:953px;margin:0 auto;overflow:hidden;}

.logobox{ float:left; width:300px; height:65px; text-align:left;}
.sosuobox{ float:left; width:653px; height:65px;text-align:left;}
.sosuo_row1{ font-size:14px;color:#5D5D5D; margin-top:10px; margin-left:58px;}
.sosuo_row2{color:#5D5D5D; font-size:14px;}
	.sotext{height:19px; border:solid 1px #b4b4b4;}
	.sousuo{width:80px;height:21px;border:solid 1px #f6f6f6;border-bottom-color:#999999;border-right-color:#999999;}


.head_block2 ul{ margin:0; padding:0;}
.head_block2 ul li{ float:left; display:inline;width:78px; height:30px; line-height:30px; text-align:center;font-size:14px; font-weight:bold; list-style-type:none;}
.head_block2 ul .current_lanmu{ background:url(http://www.mtvtop.net/2008/images/Header_list_bg.gif) no-repeat center center;}
.head_block2 ul li a:link{color:#24577C; text-decoration:none;font:Arial,Helvetica,sans-serif,SimSun;;}
.head_block2 ul li a:visited{ color:#24577C; text-decoration:none;font:Arial,Helvetica,sans-serif,SimSun;;}
.head_block2 ul li a:hover{ color:#24577C; text-decoration:underline;font:Arial,Helvetica,sans-serif,SimSun;;}
.head_block2 ul li a:active{color:#24577C; text-decoration:underline;font:Arial,Helvetica,sans-serif,SimSun;;}

.head_block3{ line-height:26px; font-size:12px;}
.head_block3 a{margin:0 8px;}
.head_block3 a:link{color:#000000; text-decoration:none;}
.head_block3 a:visited{ color:#000000; text-decoration:none;}
.head_block3 a:hover{ color:#FF5400; text-decoration:underline;}
.head_block3 a:active{color:#FF5400; text-decoration:underline;}