@charset "utf-8";
/* CSS Document */
html, body, ul, li, h1, h2, h3, h4, h5, h6, fieldset, legend {padding:0; margin:0;}
ul,li {list-style-type:none; text-transform:capitalize;}
.clear {clear:both; *display:inline;/*IE only*/}

/*menu*/
#menu {
	 height:60px;
	 line-height:60px;
	 width: 764px;
	 /* padding-top: 23px; */
	 overflow:hidden;
	 }
#nav {
     margin:0;
     width: 764px;
     display:block;
     height:60px;
     line-height:60px;
     overflow:hidden;
}
#nav .mainlevel {
      background:url() no-repeat right;
      float:left;
      color:#333;
      width: 93px;/*IE6 only*/
      }
#nav .mainlevel a {
      color: #272727;
      font-size: 16px;
      font-family:"微软雅黑";
      text-decoration:none;
      line-height:60px;
      display:block;
      padding:0;
      width: 109px;
      text-align:center;
   }
#nav .mainlevel a:hover {
      color:#fff;
      line-height:60px;
      text-decoration: none;
      background: #E61717;
   }
#nav .mainlevel1 {
	  float:left; 
      color:#000000;
	  margin:0px;
	  padding:0px;
	  overflow:hidden;
	  width:125px;
/*IE6 only*/}
#nav .mainlevel1 li { list-style:none; height:28px; line-height:28px; overflow:hidden;}
#nav .mainlevel1 a {
 font-size:12px;
 color: #D80606;
 text-decoration:none;
 line-height:28px;
 display:block;
 width: 110px;
 height:28px;
 margin:0px;
 padding:0px;
 overflow:hidden;
 text-align:center;
 }
#nav .mainlevel1 a:hover {
      color: #FFFFFF;
      line-height:28px;
      text-decoration:none;
      /* background:url(../images/d1.png) 0 0 repeat-x; */
      background: #1C3180;
   }
#nav .mainlevel ul {
      display:none; 
	  position:absolute;
	  }
#nav .mainlevel li {
      /* background:url(../images/d1.png) 0 0 repeat-x; */
      width: 110px;/*IE6 only*/
      color: #1F2979;
      background: #D4D4D4;
      }
<!--banner-->


.flexslider { position: relative; height: 600px; overflow: hidden; background: url(loading.gif) 50% no-repeat;}
.slides { position: relative; z-index: 1;}
.slides li { height: 600px;}
.flex-control-nav {position: absolute;bottom: 368px;z-index: 2;width: 100%;text-align: center;}
.flex-control-nav li { display: inline-block; width: 14px; height: 14px; margin: 0 5px; *display: inline; zoom: 1;}
.flex-control-nav a { display: inline-block; width: 14px; height: 14px; line-height: 40px; overflow: hidden; background: url(dot.png) right 0 no-repeat; cursor: pointer; position:relative; margin-bottom:50px;}
.flex-control-nav .flex-active { background-position: 0 0;}

#description
{
 margin:0px auto;
 width:500px;
 font-size:14px;
}
#softwhy a
{
 text-decoration:underline;
 color:red;
}
<!--banner结束-->

.rt{float:right;}
.searchinput{
	border-right-width: 0px;
	padding-left: 3px;
	width: 116px;
	font-family: arial;
	float: left;
	border-top-width: 0px;
	border-bottom-width: 0px;
	color: #636365;
	margin-left: 4px;
	font-size: 8pt;
	vertical-align: middle;
	border-left-width: 0px;
	margin-right: 3px;
}
.tab_search{
	border-bottom: #cccccc 1px solid;
	border-left: #cccccc 1px solid;
	height: 25px;
	border-top: #cccccc 1px solid;
	border-right: #cccccc 1px solid;

}
.searchaction{
	width: 21px;
	float: left;
	height: 17px;
}