body,html{font-size:100%;padding:0;margin:0;}*,*:after,*:before{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box}.clearfix:before,.clearfix:after{content:" ";display:table}.clearfix:after{clear:both}body{ background:url(../images/load_bg.jpg) no-repeat center; height:100%;width:100%;font-weight:500;font-size:1.05em;font-family:"Microsoft YaHei","Segoe UI","Lucida Grande",Helvetica,Arial,sans-serif}a{color:rgba(255,255,255,0.6);outline:0;text-decoration:none;-webkit-transition:.2s;transition:.2s}a:hover,a:focus{color:#74777b;text-decoration:none}.bottom-block{position:absolute;top:100px;left:180px;padding:30px}.bottom-block a{display:block;height:74px;width:258px;padding-left:220px;line-height:80px;background:url(../images/login_logo.png) left center no-repeat;font-size:22px;color:#fff}

.main-content{    width: 1200px;border-radius: 4px; text-align: left; border-radius:6px; margin:0 auto; height:600px;}
.main-content .adscolumn { position: relative;border-radius: 4px 0 0 4px;
overflow: hidden;}
.main-content .advimg { width: 100%;}
.main-content .adscolumn { width: 400px;}
.main-content .formDiv { width: 420px;padding: 32px 44px 20px 44px;
 box-sizing: border-box; float:right; background:#fff; border-radius:6px;}
 
.main_top{width: 100%; height: 64px; 
    box-shadow: 0 0 12px 0 rgb(133 133 5.7826087%);}  
.main_content{width: 1200px;height: 64px;margin: 0 auto; overflow: hidden;}
.main_top .logo{ float:left;    height: 64px;vertical-align: middle;}
.main_top .logo img{display: inline-block;height: 45px; background-size:100% 100%; margin: 14px 0;}
.main_top .nav{ float:right;height: 64px;vertical-align: middle;}
.main_top .nav a{display: inline-block; padding: 0 20px; color: #fff;    line-height: 64px; font-size:14px;}
.main_top .nav a:hover{ color:#11a3fc;}