.logo{ width: 450px; height: 118px; margin: 0 auto; background: url(../images/logo.png) center center no-repeat; padding: 45px 0;}
.center_con{ width: 580px; margin: 0 auto; text-align: center;}
.center_con div{ text-align: center; font-size: 2.4rem; color:#000; line-height: 30px;}
.center_con .mt40{ margin-bottom: 40px;}
.center_con p{ line-height: 40px; font-size: 2.6rem;}
.center_con .manmerid{ font-size: 2.2rem; line-height: 50px; border-bottom: 1px dashed #626262; width: 520px; margin: 0 auto; }
.center_con .copyinfo{ font-size: 2rem; line-height: 40px;}
.center_con .href_qq{ position: relative; height: 68px; padding: 0px 50px; font-size: 2.8rem; color: #6b8ca0; background:#33424D; display: inline-block; line-height: 68px; border-radius: 10px; margin: 80px 0 80px 0;}
.href_qq .go_move{ width: 285px; height: 68px; position: absolute; left: 0px; top: 0; background: #33424D; border-radius: 10px; color: #6b8ca0;}
.center_con .add_qun{ height: 50px; width: 100%; overflow: hidden;}
.add_qun span{ float: left; line-height: 40px;}
.add_qun a{ float: right; width: 150px; height: 40px; border:1px solid #000; border-radius: 5px; color: #000; line-height: 40px; text-align: center; font-size: 2.2rem;}
.add_qun a:active,.add_qun a:hover{ background:#434F56; color: rgba(188,226,245,1);  -webkit-appearance: none; user-select: none;
  -webkit-transition: background-color 300ms ease-out,border-color 300ms ease-out;
  transition: background-color 300ms ease-out,border-color 300ms ease-out;
}
.center_con .href_qq.open_this{ color: #000; background: none; border: 0;}
.wrap_qun{ display: none; min-height: 600px;}