body{ background-image:url(../../img/aboutbg.jpg); background-attachment:fixed; background-position:top; background-repeat:no-repeat; background-size:100% 100%;}
.main{width:1000px; margin:0px auto; position:relative;}
.about_content{width:900px; background:#FFF; float:right; min-height:500px;}
.about_banner{ width:900px; overflow:hidden; position:relative;}
.about_title{ color:#FFF; position:absolute; top:40px; left:50px; font-size:12px;}
.about_title b{ font-size:24px; line-height:24px;}
.about_content_bread{ float:right; display:inline; margin:16px 25px 0px 0px; line-height:12px; color:#3c3c3c;}
.bread_home{ float:right;}
.bread_word{ float:right;}
.about_content_bread a{ line-height:12px; color:#3c3c3c;}
.about_content_bread a:hover{ text-decoration:none; color:#00c6bd;}
.about_content_main{ width:750px; margin:20px auto 0px auto; color:#6c6c6c; background:url(../../img/standardbg.jpg) no-repeat;}
.standard_title{ font-size:14px; line-height:18px; font-weight:bold; color:#41c7c2; margin-bottom:32px;}
.step{ font-size:12px; line-height:24px; }
.step_bt{ color:#00d5ff; line-height:24px;}
.step_nr{ line-height:24px; margin-bottom:35px;}
.sel_step2{ margin-bottom:60px;}
.sel_step2 li{ line-height:24px;}
.totop{ position:fixed; right:180px; bottom:100px; *background:#000; background:rgba(0,0,0,0.6); width:30px; height:30px; color:#FFF;  text-align:center; line-height:30px; cursor:pointer;}

.close{ width:22px; height:22px; position:absolute; z-index:500; right:-10px; top:-10px; cursor:pointer;-webkit-transition:all 0.8s ease-in-out;-moz-transition:all 0.8s ease-in-out;transition:all 0.8s ease-in-out;-o-transition:all 0.8s ease-in-out; }
.close:hover{ -webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);transform:rotate(360deg);-o-transform:rotate(360deg);}