html{background:none repeat scroll 0 0 #FFFFFF;  overflow-y:scroll}
body, h1, h2, h3, h4, h5, h6, hr, p, blockquote, dl, dt, dd, ul, ol, li, pre, fieldset, lengend, button, input, textarea, form, th, td{margin:0; padding:0}
body, button, input, select, textarea{font:14px/1.8 "Microsoft Yahei", verdana}
.ie10 body,.ie11 body{font:14px/1.8 "Microsoft Yahei", verdana}
h1, h2, h3, h4, h5, h6{font-size:100%; font-weight:normal}
button, input, select, textarea{font-size:100%}
hr{border:0; height:1px; *color:#fff}
address, cite, dfn, em, var{font-style:normal}
small{font-size:12px}
.fl-clear{clear:both}
.fl-clr{zoom:1}
.fl-clr:after{display:block; clear:both; height:0; content:"\0020"}
table{border-collapse:collapse; border-spacing:0}
ul, ol{list-style:none outside none}
a{text-decoration:none; }
a:hover{text-decoration:none; }
img{border:0}

.cxsydh{width:240px;position:absolute;top:0;left:0;z-index:1;}
.left_nav{border:1px solid #e6e6e6;position:relative; border-top:0; width:240px;}
.left_nav ul{width:100%;position:absolute;top:50px;left:0;z-index:1;}
.left_nav li{width:100%;text-align:center;float:Left;position:relative;}
.left_nav li .t{height:39px; line-height:39px;position:relative}
.left_nav li:hover .t{background-color:#fff!important;}
.left_nav li:hover .t a{color:#000!important;}
.left_nav li:hover .txt li{border-bottom:1px solid #eaeaea;}
.left_nav li:hover .t i{position:absolute; left:180px; top:0; width:18px; height:50px;background:url(../images/ioc_l.png) no-repeat 0 center; cursor:pointer}
.left_nav li .t i{position:absolute; left:180px; top:0; width:18px; height:50px;background:url(../images/jiant.jpg) no-repeat 0 center; cursor:pointer}
.left_nav li .t a,.left_nav li .t.hover:hover a{color:#000}
.left_nav li .txt{ display:none;position:absolute;left:240px;top:0;background-color:#ffffff;width:960px;z-index:1;}
.left_nav li .txt li{ background-color:#ffffff;width:120px;z-index:1;}
.left_nav li .txt a{line-height:30px; height:30px;padding-left:10px;padding-right:10px;padding-top:3px;padding-bottom:3px;color:#000000;font-size:14px;width:320px;}
.left_nav li .txt a:hover{color:#0096fa;}

.explain_txt{width:860px; margin:0 auto; line-height:40px; padding:0 0 200px 0; font-size:16px}