.big_k{width:352px;height: 352px;border: 1px solid #D1D1D1;margin-top: 10px;margin-left: 79px; text-align: left;}
.big_k1{width:450px;height:31px;margin-top: 10px;text-align:center;line-height: 31px;font-size: 14px;font-weight: bold;margin-left: 10px;margin-right: 10px;border-bottom-width: 1px;border-bottom-style: dotted;border-bottom-color: #AAAAAA;}
.big_k1 ul{width:468px;height:31px;text-align:center;margin: 0px;padding: 0px;list-style-type: none;}
.big_k1_li {float: left;margin-left: 180px;_margin-left: 150px;margin-right: 0px;background-image: url(../images/big_arrow.gif);background-repeat: no-repeat;background-position: left center;padding-left: 5px;}
.big_k1_li2 {float: left;margin-left: 50px;margin-right: 0px;background-image: url(../images/big_arrow2.gif);background-repeat: no-repeat;background-position: right center;
padding-right: 10px;}
.big_k1 a {color: #000000;text-decoration: none;}
.big_k1 a:hover {color: #FF6600;text-decoration: underline;}
.big_k2{width:510px;height:490px;}