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;}
.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_title{ margin:20px 0px 0px 55px;}
.about_content_title li{ float:left; font-weight:bold; margin:5px;  display:inline;}
.about_content_title li a{ color:#7b7b7b;}
.about_content_title li a:hover{ color:#00c6bd; text-decoration:none;}
.about_content_title #gaikuang{ color:#FFF; background:#41c7c2; padding-left:3px; padding-right:3px; margin-right:10px;}
.about_content_main{ width:757px; margin:20px auto 0px auto;}
.about_content_bt{ font-weight:bold; font-size:14px; color:#41c7c2; line-height:40px;}
.about_content_nr{ line-height:18px; text-indent:2em;}
.about_content_pic{ margin-top:10px; height:140px; margin-bottom:15px;}
.about_content_pic li{ float:left; margin-right:5px; display:inline;}
.about_content_pic .about_pic1{ margin-top:8px;}
.about_content_pic .about_pic2{ margin-top:22px;}
.about_content_pic .about_pic3{ margin-top:6px;}
.about_content_pic .about_pic4{ margin-top:0px;}
.about_content_pic .about_pic5{ margin-top:7px;}
.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);}

.tr_con{ width:750px; background:url(../img/bg_tr.jpg) no-repeat; padding-bottom:75px; padding-top:25px}